Dissertations / Theses on the topic 'Endometroide'
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Raventós, Tato Rut María. "Análisis de la afectación ganglionar, recurrencia y supervivencia en el cáncer de endometrio endometrioide." Doctoral thesis, Universitat Autònoma de Barcelona, 2016. http://hdl.handle.net/10803/399984.
Full textHypothesis: The complete surgical staging, including histopathological analysis of the pelvic and para-aortic lymphs, may increase survival rate and disease-free period in patients with endometrioid endometrial cancer with intermediate risk of recurrence Main objective: Analysis of the complete surgical staging effect on overall survival and disease-free period in patients with endometrioid endometrial cancer with intermediate risk of recurrence Secondary objectives: 1) Analysis of epidemiological factors on patients with intermediate risk of recurrence 2) Concordance analysis of pre- and postoperative imaging and histopathologic studies. 3) Analysis of complications due to the surgical technique and rate of lymphadenectomy realisation. 4) Analysis of lymph node involvement in intermediate risk patients Current status of the topic: uterine body cancer is currently the most common lower genital tract cancer in developed Western countries and the second most common malignancy after cervical cancer globally. The staging of endometrial cancer is surgical and is done through the classification of FIGO 2009, according to this classification node affectation is one of the most important prognostic factors. In Type I endometrial or endometrioid cancer, there are a number of prognostic clinical and histopathologic factors (depth of myometrial invasion and histological degree) that allow us to categorise it according to its recurrence degree. Furthermore, there are some additional factors that worsen the prognosis: presence of lymphovascular infiltration, cervix affectation, tumor size larger than 2 cm and age over 60 years. The standard surgery for low risk endometrioid endometrial tumors is hysterectomy with double oophorectomy. Pelvic and para-aortic lymphadenectomy is indicated in those tumors classified as high risk recurrence. In the case of tumors with intermediate risk recurrence, assessment of the risk of morbidity associated with surgery together with lymph node affectation probability must be made. In our center we believe that performing pelvic and para-aortic lymphadenectomy in endometrioid endometrial cancer with intermediate risk of recurrence may benefit the patient because the node affection rate justifies the morbidity associated with the technique; that affected nodes extraction can influence the development of the disease, and that it allows a better planning of radiotherapy or chemo-radiotherapeutic treatment by providing histological lymph samples. Methodology: Database development of patients diagnosed with endometrial cancer between 1995 and 2010 at the Department of Gynecologic Oncology, University Hospital Vall d'Hebron (726 cases). Classification of the different histological types of endometrial cancer: Type I, Type II, others. Distribution of endometrioid type I in different groups according to risk of recurrence: intermediate, low or high risk. Analysis of intermediate risk of recurrence group: -Clinical and epidemiological characteristics. -Lymphatic nodes affectation, recurrence and survival. -Multivariate analysis of prognosis factors on lymph node affectation and recurrence. -Concordance of the preoperative evaluation (imaging and histopathology) and definitive evaluation. Comparison of lymph node affectation, recurrence and survival against high risk of recurrence group.
Espejel, del Moral María del Carmen. "Histomorphologische und immunhistologische Charakterisierung der Endometrose beim Rind." Doctoral thesis, Universitätsbibliothek Leipzig, 2012. http://nbn-resolving.de/urn:nbn:de:bsz:15-qucosa-99530.
Full textLehmann, Julia, and Harald Sieme. "Morphologisch-funktionelle Untersuchungen zur prognostischen Bewertung der equinen Endometrose." Doctoral thesis, Universitätsbibliothek Leipzig, 2010. http://nbn-resolving.de/urn:nbn:de:bsz:15-qucosa-62495.
Full textMorazzo, Sofia Faes. "A potencial função do nodal na endometrose da égua." Master's thesis, Universidade de Lisboa, Faculdade de Medicina Veterinária, 2017. http://hdl.handle.net/10400.5/14039.
Full textAlguns membros da superfamília do TGFβ, tais como o Nodal e o TGFβ1, têm um papel importante na reprodução da égua, sendo que a sua disfunção pode contribuir para patologias uterinas. A endometrose é uma doença degenerativa em que o endométrio normal vai sendo substituído por tecido fibrótico. O objectivo deste estudo consistiu em avaliar: (i) como o Nodal pode influenciar o nível de mRNA dos recetores da PGE2 (EP2; EP4), do TGFβ1 (ALK5; TGFRII), e os próprios (ALK4; ALK7), e ainda, a secreção de prostaglandinas (PGs; PGE2; PGF2α) no endométrio equino; e (ii) como a fase do ciclo éstrico e grau de endometrose pode influenciar estas vias. Endométrios da fase folicular (FF; n=6) e da fase lútea (FL; n=6) foram classificados de acordo com o sistema de Kenney e Doig em categorias I e IIA (n=7), ou IIB e III (n=5). Os explantes foram incubados (24h; 37ºC, 5% CO2) com TNFα, ocitocina ou Nodal (0.1;1;10 ng/mL). A expressão de mRNA foi avaliada por qRT-PCR e a medição de prostaglandinas por ELISA. Em endométrios de categoria I/IIA, o Nodal inibiu a expressão génica de EP2, EP4 e ALK4 e estimulou a de TGFRII, em ambas as fases do ciclo éstrico; e estimulou também os níveis de mRNA de ALK5 e ALK7, apenas na FL. Em endométrios de categoria IIB/III, o Nodal estimulou os níveis de mRNA de EP2, EP4 e ALK5, na FF, e de ALK4 e ALK7, na FL, embora tenha inibido TGFRII e ALK4, na FF, e EP2, EP4, ALK5 e TGFRII na FL. O Nodal na concentração testada mais baixa (0.1ng/mL) estimulou a produção de PGE2 na FF e FL, enquanto que numa concentração superior a inibiu na FF (1ng/mL). A produção de PGF2α foi estimulada na FL com Nodal (0.1 e 10ng/mL). Concluindo, o Nodal parece estar envolvido na endometrose da égua, por afetar negativamente a sinalização da PGE2 anti-fibrótica e positivamente a da citocina pró-fibrótica TGFβ1 e a produção de PGF2α.
ABSTRACT - THE POTENCIAL ROLE OF NODAL IN MAR ENDOMETROSIS - Members of TGFβ superfamily, as Nodal and TGFβ1, have an important role in mare´s reproduction, and as such, their dysfunction may contribute for uterine pathologies. Endometrosis is a degenerative process with a switch of normal endometrium to fibrotic tissue. The aim of the study was to assess: (i) how Nodal may influence the receptors of PGE2 (EP2; EP4), TGFβ1 (ALK5; TGFRII), and its own (ALK4; ALK7) mRNA level and prostaglandin (PG) secretion in equine endometrium; and (ii) estrous cycle and endometrosis influence on these vias. Endometria from follicular (FP; n=6) and mid luteal phases (MLP; n=6) were classified in Kenney and Doig´s categories (cat) I and IIA (n=7), or IIB and III (n=5). Endometrium explants were incubated (24h; 37ºC, 5% CO2) with TNF, oxytocin or Nodal (0.1, 1; 10ng/mL). The mRNA expression was assessed by qRT-PCR and ELISA was used for PG measurement. In cat I/IIA endometria, Nodal down-regulated EP2, EP4 and ALK4 mRNA expression and up-regulated TGFRII in both FP and MLP; and ALK5 and ALK7 only in MLP. In cat IIB/III, Nodal up-regulated mRNA levels of EP2, EP4 and ALK5 in FP, and ALK4 and ALK7 in MLP, whereas it inhibited TGFRII and ALK4 in FP, and EP2, EP4, ALK5 and TGFRII in MLP. Nodal (0.1ng/mL) stimulated PGE2 production in both FF and FL, while at a higher concentration (1ng/mL) it decreased PGE2 in FP. The production of PGF2α increased in MLP with Nodal stimulation (at 0.1 and 10ng/mL). In conclusion, Nodal may be involved in endometrosis in the mare, by impairment of anti-fibrotic PGE2 and pro-fibrotic TGFβ1 signaling pathways and increasing PGF2α production.
N/A
Rocha, Fabiano Trevisan da. "Meio condicionado de células tronco mesenquimais como tratamento de endometrose em éguas." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2018. http://hdl.handle.net/10183/182497.
Full textDuring the mare reproductive life, the endometrium is exposed to events such as copulation, parturition, puerperium, and infections. Such circumstances may gradually lead to a decrease in the functional capacity of the endometrium, resulting in a drop in fertility. The objective of this study was to evaluate, by using ultrasonographic, cytological, bacteriological, and histopathological exams, the effect of a treatment with mesenchymal stem cell-conditioned medium on the endometrium of 21 mares with uterine fibrosis that did not foal in at least two seasons. In experiment 1, 21 mares were evaluated by using ultrasonographic, cytological, bacteriological and histopathological exams. In experiment 2, from the total 21 females, four mares classified by the endometrial histopathology as grade II and two mares classified as grade III were submitted to uterine infusion with mesenchymal stem cell-conditioned medium to promote the endometrial regeneration. In experiment 1, the evaluation revealed the presence of uterine edema in 81% (17/21), intrauterine liquid in 23.81% (5/21), and uterine cysts in 57.14% of the mares (12/21). Bacteriological examination revealed that 42.86% (9/21) of the mares showed bacterial growth, and the microorganism with the highest incidence was Escherichia coli (4/21). The cytological exam showed inflammatory process in 44.40% (4/9) of the females with bacterial growth, while 16.70% (2/12) of the mares without bacterial growth showed inflammatory process (P = 0.331). Uterine inflammatory process was observed in 28.60% (6/21) of the mares. It was possible to identify by using uterine biopsy and histopathological evaluation that 14.30% (3/21), 47.60% (10/21), and 38.10% (8/21) of mares belong to Grade I, II and III, respectively. There was a significant positive correlation (r = 0.69, P = 0.0005) between the degree of endometrosis evaluated by the Caslick Index and the grade attributed after histopathological examination. The percentage of mares with Caslick index over 200 was higher in females classified as grade III (P= 0.0242) than in grade I females (0.0%; 0/3). There was no difference between mares grade III and grade II 7 (70%; 7/10). Grade II females tended to have a higher percentage with Caslick index above 200 (P = 0.07) when compared to the grade I females. The medium Caslick index compared between the histological grades revealed a higher index in grade III than in grade I mares (252.0 vs 78.3, P = 0.007). Mares grade II showed intermediate index (174.6). There was no association between the presence of uterine cysts and the histopathological grade of biopsies (P = 0.813). Mares with uterine cysts had 16.70%, 41.70%, and 41.70% of the biopsies classified in the histological examination as grades I, II, and III, respectively. The percentages in mares without cysts were 11.10%, 55.60%, and 33.30%, respectively, for Grade I, II and III. The mares mean age was similar (P=0.112) among females with or without uterine cysts (20.3 vs 16.3 years). In experiment 2, the application of 20 mL of mesenchymal stem cell-conditioned medium in the uterine lumen of six mares with endometrosis Grade II and III did not improve the endometrial condition.
Klose, Kristin. "Endometriale periglandulär akzentuierte mononukleäre Entzündungszellinfiltrate beim Pferd – Physiologischer Befund oder Initialstadium einer Endometrose?" Doctoral thesis, Universitätsbibliothek Leipzig, 2015. http://nbn-resolving.de/urn:nbn:de:bsz:15-qucosa-171843.
Full textHoffmann, Christine. "Morphologisch-funktionelle Untersuchungen zur Pathogenese der equinen Endometrose unter besonderer Berücksichtigung endometrialer Proteine und Kohlenhydrate." Doctoral thesis, Universitätsbibliothek Leipzig, 2006. http://nbn-resolving.de/urn:nbn:de:swb:15-20070118-133836-5.
Full textWellens, Rebekka [Verfasser], and Udo [Akademischer Betreuer] Jeschke. "Endometroides Adenokarzinom: Nachweis von zirkulierenden Tumorzellen (CTCs) mit Hilfe von spezifischen Real-Time-PCR-Markern / Rebekka Wellens ; Betreuer: Udo Jeschke." München : Universitätsbibliothek der Ludwig-Maximilians-Universität, 2018. http://d-nb.info/1156851890/34.
Full textMambelli, Lisley Inata. "Células tronco de tecido adiposo de equinos. Estudo do seu potencial para o tratamento da endometrose." Universidade de São Paulo, 2011. http://www.teses.usp.br/teses/disponiveis/10/10132/tde-05042012-093240/.
Full textIn horses, Stem Cell (SC) therapies are a promising tool to the treatment of many injuries, as tendon lesions and ligaments rupture. Besides the characteristics and the potential in tissue restoration, as well as, paracrine effects of SC, there is no information about the use of them for the treatment of systemic disorders which can commit horses, such as endometrosis. Endometrosis is a progressive and irreversible disease which is defined as active or inactive periglandular and stromal endometrial fibrosis, including glandular alterations within fibrotic foci. Modifications induced by this disease alter the surface of endometrium which, in consequence, led to infertility. Conventional treatments do not reduce the fibrotic process or even help to restore fertility. Considering the importance of this disease, the goal of this project is to use SC, previously isolated and characterized by our group, in the treatment of endometrosis, in order to reduce inflammatory process and periglandular fibrous tissue formation, typical of this disease. Six mares with confirmed endometrosis were synchronized for the use as animal model in this work. In four of animals we infused stem cells previously marked with Vybrant, and the other two (control group) were infused with saline solution. Before the infusion, uterine biopsies and also samples for cytology were collected. After 7, 21 and 61 days of cells infusion new biopsies and cytology samples for analysis were collected. We observed, by direct fluorescence, the presence of marked cells grafted in both body and uterine horns of treated animals. Through histological analysis we observed a significant improvement in morphology and organization of uterine tissue, as well as endometrial glands, after infusion of stem cells, this result was observed progressively throughout the days. Furthermore, we noted a decrease in the process of periglandular tissue fibrosis, after infusion of cells. Cytology analysis showed that the animals have no uterine inflammation before or after infusion of SC. Our data suggest that there are benefits of using stem cells from equine adipose tissue in the treatment of uterus tissue affected by endometriosis, which can only be clinically validated after pregnancy of these animals.
Masseno, Ana Paula Batista [UNESP]. "Avaliação da fibrose endometrial e dos miofibroblastos nas endometroses ativa e inativa da éguas." Universidade Estadual Paulista (UNESP), 2012. http://hdl.handle.net/11449/101282.
Full textUniversidade Estadual Paulista (UNESP)
A endometrite é a principal causa de redução da fertilidade em éguas. Nas endometroses, glândulas dilatadas e repletas de secreção e restos celulares são observadas com frequência no endométrio eqüino, assim como glândulas não dilatadas que mostram acentuada reação fibrótica. Este estudo teve como objetivo avaliar a fibrose endometrial das éguas considerando as características histomorfológica, histoquímica e imunoistoquímica da endometrose ativa, endometrose inativa, endometrose inativa destrutiva e endometrose ativa destrutiva, procurando esclarecer a participação dos miofibroblastos nestes processos que podem influenciar a progressão da doença. No presente trabalho pode-se constatar que o arranjo das fibras colágenas e suas características, esta relacionado com o tipo de evolução do processo e, eventualmente, com a sua possível origem. O processo de endometrose mostra variações morfológicas que permitem diferenciar subtipos definidos. O picrosirius red demonstrou que nas endometroses ativa e ativa destrutiva o tipo de colágeno predominante é o que possui arranjo reticular, menos denso, enquanto que nas endometroses inativa e inativa destrutiva o predomínio foi de um colágeno mais denso. O colágeno de arranjo reticular predomina nas lesões fibróticas nas endometroses ativa e ativa destrutiva.O colágeno denso predomina nas lesões fibróticas das endometroses inativa e inativa destrutivas. As lesões fibróticas vasculares mais graves acompanham as endometroses inativa e ativa destrutiva sugerindo que estes dois tipos de endometroses tenham origem naquelas lesões. A expressão mais fraca de α-SMA nos ninhos fibróticos das endometroses inativas reflete a predominância de fibrócitos nestas lesões
Endometritis is the leading cause of impaired fertility in horses. In endometroses, dilated glands filled with secretion and cell debris are seen frequently in equine endometrium, as well as non-dilated glands showing marked fibrotic reaction. This study aimed to evaluate the endometrial fibrosis considering the characteristics of mares histomorphological, histochemical and immunohistochemical studies of endometriosis active, inactive endometriosis, endometriosis endometriosis active and inactive destructive destructive, seeking to clarify the involvement of myofibroblasts in these processes that may influence disease progression. In the present work can be seen that the arrangement of collagen fibers and their characteristics, is related to the type of process evolution and eventually to their possible origin. The process of endometriosis shows morphological variations defined to differentiate between subtypes. The picrosirius red showed that the active endometroses active and destructive type of collagen is the predominant reticular arrangement that has less dense, whereas in endometroses inactive and inactive destructive was the predominance of a more dense collagen. The lattice arrangement of collagen predominates in the fibrotic lesions in the active and active endometroses destrutiva.O dense collagen predominates in the fibrotic lesions of endometroses inactive and inactive destructive. The most severe vascular fibrotic lesions accompanying endometroses inactive and active destructive suggesting that these two types of endometroses originate in those lesions. The weaker expression of α- SMA in fibrotic nests of endometroses inactive fibrocytes reflects the predominance of these lesions
Masseno, Ana Paula Batista. "Avaliação da fibrose endometrial e dos miofibroblastos nas endometroses ativa e inativa da éguas /." Botucatu : [s.n.], 2012. http://hdl.handle.net/11449/101282.
Full textBanca: Noeme Sousa Rocha
Banca: Carlos Alberto Hussni
Banca: Osimar de Carvalho Sanches
Banca: Louisiane de Carvalho Nunes
Resumo: A endometrite é a principal causa de redução da fertilidade em éguas. Nas endometroses, glândulas dilatadas e repletas de secreção e restos celulares são observadas com frequência no endométrio eqüino, assim como glândulas não dilatadas que mostram acentuada reação fibrótica. Este estudo teve como objetivo avaliar a fibrose endometrial das éguas considerando as características histomorfológica, histoquímica e imunoistoquímica da endometrose ativa, endometrose inativa, endometrose inativa destrutiva e endometrose ativa destrutiva, procurando esclarecer a participação dos miofibroblastos nestes processos que podem influenciar a progressão da doença. No presente trabalho pode-se constatar que o arranjo das fibras colágenas e suas características, esta relacionado com o tipo de evolução do processo e, eventualmente, com a sua possível origem. O processo de endometrose mostra variações morfológicas que permitem diferenciar subtipos definidos. O picrosirius red demonstrou que nas endometroses ativa e ativa destrutiva o tipo de colágeno predominante é o que possui arranjo reticular, menos denso, enquanto que nas endometroses inativa e inativa destrutiva o predomínio foi de um colágeno mais denso. O colágeno de arranjo reticular predomina nas lesões fibróticas nas endometroses ativa e ativa destrutiva.O colágeno denso predomina nas lesões fibróticas das endometroses inativa e inativa destrutivas. As lesões fibróticas vasculares mais graves acompanham as endometroses inativa e ativa destrutiva sugerindo que estes dois tipos de endometroses tenham origem naquelas lesões. A expressão mais fraca de α-SMA nos ninhos fibróticos das endometroses inativas reflete a predominância de fibrócitos nestas lesões
Abstract: Endometritis is the leading cause of impaired fertility in horses. In endometroses, dilated glands filled with secretion and cell debris are seen frequently in equine endometrium, as well as non-dilated glands showing marked fibrotic reaction. This study aimed to evaluate the endometrial fibrosis considering the characteristics of mares histomorphological, histochemical and immunohistochemical studies of endometriosis active, inactive endometriosis, endometriosis endometriosis active and inactive destructive destructive, seeking to clarify the involvement of myofibroblasts in these processes that may influence disease progression. In the present work can be seen that the arrangement of collagen fibers and their characteristics, is related to the type of process evolution and eventually to their possible origin. The process of endometriosis shows morphological variations defined to differentiate between subtypes. The picrosirius red showed that the active endometroses active and destructive type of collagen is the predominant reticular arrangement that has less dense, whereas in endometroses inactive and inactive destructive was the predominance of a more dense collagen. The lattice arrangement of collagen predominates in the fibrotic lesions in the active and active endometroses destrutiva.O dense collagen predominates in the fibrotic lesions of endometroses inactive and inactive destructive. The most severe vascular fibrotic lesions accompanying endometroses inactive and active destructive suggesting that these two types of endometroses originate in those lesions. The weaker expression of α- SMA in fibrotic nests of endometroses inactive fibrocytes reflects the predominance of these lesions
Doutor
Kiesow, Claudia. "Pathogenese der equinen Endometrose: Bedeutung der Wachstumsfaktoren Transforming growth factor-alpha, -beta1, -beta2 und -beta3 sowie der Matrixmetalloproteinase-2." Doctoral thesis, Universitätsbibliothek Leipzig, 2011. http://nbn-resolving.de/urn:nbn:de:bsz:15-qucosa-65079.
Full textCosta, Leonardo Dourado da. "Caracterização histoquímica e imuno-histoquímica das alterações fibróticas nas endometroses das éguas /." Botucatu, 2015. http://hdl.handle.net/11449/131929.
Full textBanca: Alessandre Hataka
Banca: Louisiane de Carvalho Nunes
Resumo: A endometrose é uma alteração degenerativa das glândulas uterinas e do estroma circundante, caracterizada pelo arranjo periglandular de miofibroblastos e a deposição de matriz extracelular (ECM). O presente trabalho objetivou avaliar a expressão de colágeno tipo I, III e IV e α-actina de músculo liso (α-SMA) nas endometroses equinas, procurando esclarecer a participação dos miofibroblastos na progressão destes processos. Foram utilizadas 24 biópsias uterinas com diagnóstico de endometrose, recebidas pelo Serviço de Patologia Veterinária e de Reprodução Animal da FMVZ, UNESP, Botucatu, SP. Cortes histológicos foram submetidos às técnicas histoquímicas de Tricrômico de Masson, Picrosirius Red sob luz polarizada e Ácido Periódico de Schiff (PAS) e imuno-histoquímicas para os três tipos de colágeno citados e α-SMA. Ainda, traçou-se um paralelo entre a técnica de Picrosirius Red e a imunomarcação dos colágenos tipos I e III. A análise histológica revelou que as fibras de colágeno denso correspondem ao colágeno tipo I, predominantes nas endometroses inativa e inativa destrutiva. As fibras de colágeno frouxo correspondem ao colágeno tipo III, predominantes nas endometroses ativas e ativas destrutivas. Nestes mesmos processos, a membrana basal revelou espessamento, aparentemente não relacionado ao colágeno tipo IV, e uma maior imunomarcação de miofibroblastos periglandulares em relação às endometroses inativa e inativa destrutiva. Desta forma, nota-se que os miofibroblastos estão relacionados ao aumento na deposição de colágeno tipo III nos ninhos fibróticos ativos
Abstract: Endometrosis is a degenerative change of the uterine glands and surrounding stroma, characterized by periglandular arrangement of myofibroblasts and deposition of extracellular matrix (ECM). The aim of this study was evaluate the expression of collagen type I, III and IV and α-smooth muscle actin (α-SMA) in equine endometroses, and investigate the role of myofibroblasts in the progression of these processes. A parallel was made with histochemical techniques of Masson's trichrome, Picrosirius Red under polarized light and Periodic Acid-Schiff (PAS). Twenty four uterine biopsies received by the Veterinary Pathology Service and Animal Reproduction of FMVZ, UNESP, Botucatu, SP, were diagnosed with endometrosis. Histological analysis revealed that the orange dense collagen fibers correspond to type I collagen, being prevalent in inactive and inactive destructive endometrosis. And the green loose collagen fibers correspond to type III collagen, and are predominant in active and active destructive endometrosis. In the same processes, a greater amount of periglandular myofibroblasts were observed in comparison to inactive and inactive destructive endometrosis. The presence of these cells in active processes are strongly related to an increased deposition of collagen type III in fibrotic nests. Regarding the basement membrane, the active destructive and active endometrosis shows thickening, apparently not related to an increase in expression of type IV collagen. The active destructive and inactive destructive endometrosis exhibited disruption areas in type IV collagen fibers. Thus, it is noted that the myofibroblasts are related to increased deposition of type III collagen in active fibrotic nests
Mestre
Costa, Leonardo Dourado da [UNESP]. "Caracterização histoquímica e imuno-histoquímica das alterações fibróticas nas endometroses das éguas." Universidade Estadual Paulista (UNESP), 2015. http://hdl.handle.net/11449/131929.
Full textCoordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
A endometrose é uma alteração degenerativa das glândulas uterinas e do estroma circundante, caracterizada pelo arranjo periglandular de miofibroblastos e a deposição de matriz extracelular (ECM). O presente trabalho objetivou avaliar a expressão de colágeno tipo I, III e IV e α-actina de músculo liso (α-SMA) nas endometroses equinas, procurando esclarecer a participação dos miofibroblastos na progressão destes processos. Foram utilizadas 24 biópsias uterinas com diagnóstico de endometrose, recebidas pelo Serviço de Patologia Veterinária e de Reprodução Animal da FMVZ, UNESP, Botucatu, SP. Cortes histológicos foram submetidos às técnicas histoquímicas de Tricrômico de Masson, Picrosirius Red sob luz polarizada e Ácido Periódico de Schiff (PAS) e imuno-histoquímicas para os três tipos de colágeno citados e α-SMA. Ainda, traçou-se um paralelo entre a técnica de Picrosirius Red e a imunomarcação dos colágenos tipos I e III. A análise histológica revelou que as fibras de colágeno denso correspondem ao colágeno tipo I, predominantes nas endometroses inativa e inativa destrutiva. As fibras de colágeno frouxo correspondem ao colágeno tipo III, predominantes nas endometroses ativas e ativas destrutivas. Nestes mesmos processos, a membrana basal revelou espessamento, aparentemente não relacionado ao colágeno tipo IV, e uma maior imunomarcação de miofibroblastos periglandulares em relação às endometroses inativa e inativa destrutiva. Desta forma, nota-se que os miofibroblastos estão relacionados ao aumento na deposição de colágeno tipo III nos ninhos fibróticos ativos
Endometrosis is a degenerative change of the uterine glands and surrounding stroma, characterized by periglandular arrangement of myofibroblasts and deposition of extracellular matrix (ECM). The aim of this study was evaluate the expression of collagen type I, III and IV and α-smooth muscle actin (α-SMA) in equine endometroses, and investigate the role of myofibroblasts in the progression of these processes. A parallel was made with histochemical techniques of Masson's trichrome, Picrosirius Red under polarized light and Periodic Acid-Schiff (PAS). Twenty four uterine biopsies received by the Veterinary Pathology Service and Animal Reproduction of FMVZ, UNESP, Botucatu, SP, were diagnosed with endometrosis. Histological analysis revealed that the orange dense collagen fibers correspond to type I collagen, being prevalent in inactive and inactive destructive endometrosis. And the green loose collagen fibers correspond to type III collagen, and are predominant in active and active destructive endometrosis. In the same processes, a greater amount of periglandular myofibroblasts were observed in comparison to inactive and inactive destructive endometrosis. The presence of these cells in active processes are strongly related to an increased deposition of collagen type III in fibrotic nests. Regarding the basement membrane, the active destructive and active endometrosis shows thickening, apparently not related to an increase in expression of type IV collagen. The active destructive and inactive destructive endometrosis exhibited disruption areas in type IV collagen fibers. Thus, it is noted that the myofibroblasts are related to increased deposition of type III collagen in active fibrotic nests
Amaral, Ana Sofia Pires. "New insights on the inhibition of neutrophil extracellular traps enzymes in equine endometrium." Doctoral thesis, Universidade de Lisboa, Faculdade de Medicina Veterinária, 2021. http://hdl.handle.net/10400.5/21012.
Full textMares physiologically develop a post-breeding endometritis characterized by a fast arrival of neutrophils into the uterine lumen. These neutrophils besides releasing granules of proteolytic and cytotoxic enzymes, may also deliver to the extracellular environment their DNA, histones and enzymes forming neutrophil extracellular traps (NETs). Besides trapping and fighting pathogens, NETs persistence has been also associated to the development of pathological conditions, such as fibrosis. The enzymes found in NETs, such as elastase (ELA), cathepsin G (CAT) and myeloperoxidase (MPO) act as pro-fibrotic factors in equine endometrial fibrosis, by inducing collagen type I (COL1) accumulation. Matrix metallopeptidases (MMPs) are crucial for this extracellular matrix remodeling. Prostaglandins (PG)s E2 and F2α have been described as possessing anti or pro-fibrotic effects. Equine endometrial explants from follicular phase (FP) or mid-luteal phase (MLP) were treated in vitro with ELA, CAT or MPO and their specific inhibitors for 24 or 48h. This work aimed to evaluate the explants response to: (i) ELA inhibition by sivelestat sodium salt (SIV) on COL1A2 transcription and PGE2 and PGF2α secretion; (ii) ELA and SIV treatment on MMP-2 and MMP-9 activity, and the inhibitory effect of SIV on ELA-induced COL1; (iii) CAT and Cathepsin G inhibitor I (β-keto-phosphonic acid; INH) treatment on MMP-2 and MMP-9 activity, and the effect of INH on CAT-induced COL1 production; (iv) the inhibitory effect of 4-aminobenzoic acid hydrazide (ABAH) on MPO-induced COL1 and the effect of MPO and ABAH on MMP-2 and MMP-9 gelatinolytic activity. In FP, COL1A2 transcription decreased in SIV-treated group, simultaneously with reduced pro-fibrotic PGF2α and increased anti-fibrotic PGE2 production. In ELA- and SIV-treated explants, MMPs expression depended on estrous cycle phase and time of treatment. Sivelestat inhibited ELA-induced COL1A2 transcripts in FP (24 h) and MLP (24 h, 48 h). The effect of INH was observed on CAT-induced COL1 in both phases at 48h. The MMP-2 might be involved in an earlier response to CAT, while MMP-9 in a later response in FP. The inhibitory effect of ABAH on MPO-induced COL1 was detected in FP at 48h. Matrix metallopeptidase-2 appears to be involved in an acute response to MPO treatment in MLP and MMP-9 in FP in a prolonged MPO treatment. The use of specific inhibitors of ELA, CAT or MPO, might be the grounds for future development of specific drugs to be used as prophylaxis or therapy of endometrosis in the mare.
RESUMO - Novas perspetivas na inibição das enzimas das redes extracelulares dos neutrófilos na edometrose equina - Nas éguas, após inseminação natural ou artificial, é frequente ocorrer endometrite, caracterizada pela chamada de neutrófilos para o lúmen uterino. Os neutrófilos, além de libertarem grânulos de enzimas proteolíticas e citotóxicas, podem também libertar filamentos de DNA, histonas e várias enzimas para o meio extracelular originando as redes extracelulares dos neutrófilos (NETs). Embora a sua principal função seja o aprisionamento e o combate de agentes patogénicos, a persistência de NETs tem sido associada ao desenvolvimento de várias situações patológicas, de entre as quais fibrose. A elastase (ELA), catepsina G (CAT) e mieloperoxidase (MPO) são enzimas pró-fibróticas presentes nas NETs que induzem a produção de colagénio tipo I (COL1) na fibrose endometrial equina. As metalopeptidases da matriz (MMPs) são cruciais nesta remodelação da matriz extracelular. As prostaglandinas (PG)s E2 e F2α têm sido associadas a efeitos anti e pró-fibróticos. Neste trabalho foram utilizados explantes de endométrio equino tanto da fase folicular (FP) como da fase lútea-média (MLP) que foram tratados in vitro com as enzimas presentes nas NETs e seus inibidores durante 24 e 48h. Este trabalho teve como objetivos a avaliação da resposta dos explantes de endométrio equino: (i) à inibição da ELA pelo sal sivelestat de sódio (SIV) na transcrição de COL1A2 e secreção de PGE2 e PGF2α; (ii) ao efeito do tratamento com ELA e SIV na atividade das MMP-2/-9 e inibição pelo SIV no COL1 induzido pela ELA; (iii) ao efeito do tratamento com CAT e Inibidor I da Catepsina G (ácido β-acetofosfónico; INH) na atividade das MMP-2/9 e na inibição pelo INH no COL1 induzido pela CAT; e (iv) à inibição pela hidrazida de ácido 4-aminobenzóico (ABAH) no COL1 induzido pela MPO e os efeitos da MPO e ABAH na atividade da MMP-2/-9. Na FP, o tratamento com SIV reduziu a transcrição de COL1A2 e a produção de PGF2α pró-fibrótica mas aumentou a produção de PGE2 anti-fibrótica. No tratamento com ELA e SIV, a expressão de MMPs variou com a fase do ciclo e a duração do tratamento. Na FP (24h) e MLP (24 e 48h), o SIV reduziu os transcriptos de COL1A2 induzidos pela ELA. O INH reduziu o COL1 induzido pela CAT nas duas fases, às 48h. A MMP-2 parece estar envolvida numa resposta rápida à CAT, e a MMP-9 numa resposta tardia na FP. O ABAH diminuiu o COL1 induzido pela MPO na FP às 48h. A MMP-2 parece estar envolvida numa resposta aguda à MPO, e a MMP-9 numa resposta longa na FP. O uso de inibidores específicos das enzimas das NETs pode constituir a base para o desenvolvimento de potenciais fármacos passiveis de serem utilizados numa abordagem profilática ou terapêutica na endometrose equina.
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Espejel, del Moral María del Carmen [Verfasser], Heinz-Adolf [Akademischer Betreuer] Schoon, Heinz-Adolf [Gutachter] Schoon, and Mattos Rodrigo [Gutachter] Costa. "Histomorphologische und immunhistologische Charakterisierung der Endometrose beim Rind / María del Carmen Espejel del Moral ; Gutachter: Heinz-Adolf Schoon, Rodrigo Costa Mattos ; Betreuer: Heinz-Adolf Schoon." Leipzig : Universitätsbibliothek Leipzig, 2012. http://d-nb.info/1238240631/34.
Full textKlose, Kristin [Verfasser], Heinz-Adolf [Akademischer Betreuer] Schoon, Heinz-Adolf [Gutachter] Schoon, and Harald [Gutachter] Sieme. "Endometriale periglandulär akzentuierte mononukleäre Entzündungszellinfiltrate beim Pferd – Physiologischer Befund oder Initialstadium einer Endometrose? / Kristin Klose ; Gutachter: Heinz-Adolf Schoon, Harald Sieme ; Betreuer: Heinz-Adolf Schoon." Leipzig : Universitätsbibliothek Leipzig, 2015. http://d-nb.info/1239566867/34.
Full textCardoso, Ana Catarina Jorge. "Efeitos da terapêutica com células estaminais mesenquimatosas derivadas da medula óssea na expressão da citocina pró-fibrótica tgf-β1 no endométrio de éguas com endometrose." Master's thesis, Universidade de Lisboa. Faculdade de Medicina Veterinária, 2015. http://hdl.handle.net/10400.5/10487.
Full textA endometrose equina é uma doença crónica, progressiva e degenerativa responsável por alterações glandulares e pela presença de fibrose no endométrio. É uma das principais causas de infertilidade em éguas e atualmente não há nenhum tratamento eficaz. A citocina Transforming Growth Factor β1 (TGF-β1) é responsável por diversas funções em vários tipos de células, incluindo o controlo do crescimento, proliferação e diferenciação celular e apoptose. Quando a homeostase do tecido é perturbada, o TGF-β1 aumenta o recrutamento, a proliferação e a diferenciação de fibroblastos em miofibroblastos e a produção de componentes da matriz extracelular levando à fibrose, o que o torna um dos principais indutores de fibrose nos tecidos. Novas terapêuticas estão a ser investigadas e a terapêutica celular é considerada uma das melhores candidatas para a resolução da fibrose. As células estaminais mesenquimatosas (MSCs) libertam várias moléculas bioativas, algumas das quais modulam a resposta inflamatória enquanto outras contribuem para a regeneração e remodelação de um tecido lesionado. Os seus efeitos imunomoduladores e a sua capacidade de agir sobre fatores pró-fibróticos, como a via do TGF-β1, já foram destacados em estudos pré-clínicos e clínicos. O objetivo deste trabalho foi avaliar a expressão do TGF-β1 e dos seus recetores após a infusão de células estaminais mesenquimatosas autólogas derivadas da medula óssea (BM-MSCs) no endométrio de 7 éguas com endometrose. Foram injetadas 8x106 células em cada égua e recolhidas biópsias uterinas antes do tratamento (D0) e trinta dias (D30) e sessenta dias (D60) após o tratamento. A análise da expressão do TGF-β1 e dos seus recetores foi avaliada por imunohistoquímica. Seria de esperar uma diminuição da expressão do TGF-β1 trinta (D30) e sessenta (D60) dias após o transplante de células estaminais mesenquimatosas derivadas da medula óssea no endométrio. A imunomarcação do TGF-β1 e do TGFβRI apresentou um padrão semelhante, verificando-se em todas as éguas, principalmente no citoplasma do epitélio glandular e no endotélio. A imunomarcação do TGFβRII verificou-se principalmente nas células do estroma. Foi possível observar uma maior intensidade de marcação do TGF-β1 e do TGFβRI no citoplasma do epitélio glandular de glândulas dilatadas ou em focos fibróticos. Verificou-se uma diminuição da intensidade da marcação do TGF-β1 e do TGFβRI em D30 e D60 mas não em todas as éguas. A expressão do TGFβRII não sofreu alterações após o tratamento com BM-MSCs. Neste trabalho não foi possível detetar um efeito claro das BM-MSCs autólogas transplantadas no endométrio de éguas com endometrose na expressão da citocina pró-fibrótica TGF-β1 e dos seus recetores.
ABSTRACT - Effects of the therapy with mesenchymal stem cells derived from bone marrow in the expression of the pro-fibrotic cytokine TGF-β1 in the endometrium of mares with endometrosis - Equine endometrosis is a chronic, progressive, degenerative disease responsible for glandular changes and fibrosis in the endometrium of the mare. It is a main cause of infertility in mares and currently there is no effective treatment. Transforming Growth Factor β1 (TGF-β1) is a cytokine that performs many cell functions in several cell types, including growth control, cell proliferation and differentiation and apoptosis. However, when the tissue homeostasis is disturbed by some injury, TGF-β1 increases recruitment, proliferation and differentiation of fibroblasts into myofibroblasts and the production of extracellular matrix components, leading to fibrosis. TGF-β1 is considered a major factor responsible for the process of fibrosis in the tissues. New therapies are being investigated and cell therapy is considered one of the best candidates for fibrosis. Mesenchymal stem cells (MSCs) release various bioactive molecules, some of which modulate the inflammatory response while others contribute for remodeling and regeneration of a damaged tissue. Their immunomodulatory effects and ability to act on pro-fibrotic factors such as the pathway of transforming growth factor β1 have been highlighted in preclinical and clinical studies. The aim of this study was to evaluate the expression of TGF-β1 and its receptors after infusion of autologous mesenchymal stem cells derived from bone marrow (BM-MSCs) in the endometrium of 7 mares with endometrosis. 8x106 cells per mare were transplanted into the endometrium and uterine biopsies were collected before treatment (D0) and thirty days (D30) and sixty (D60) days post treatment. The analysis of the expression of TGF-β1 and its receptors was evaluated by immunohistochemistry. We expected a decrease in TGF-β1 expression thirty (D30) and sixty (D60) days after the transplantation of bone marrow derived mesenchymal stem cells in the endometrium. The TGF-β1 and TGFβRI showed a similar immunostaining pattern. It was found in all mares mainly in the cytoplasm of the glandular epithelium and endothelium. The immunostaining of TGFβRII was found mainly in stromal cells and cilia of the glands. It is possible to observe a stronger immunostaining intensity of TGF-β1 and TGFβRI in the cytoplasm of the glandular epithelium of dilated glands or glands located in fibrotic foci. There was a decrease in the intensity of TGF-β1 and TGFβRI at D30 and D60 but not in all mares. The expression of TGFβRII did not change after treatment with BM-MSCs. In this work we could not detect a clear effect of autologous BM-MSCs transplanted into the endometrium of mares with endometrosis in the expression of the pro-fibrotic cytokine TGF-β1 and its receptors TGFβRI and TGFβRII.
Schilling, Anne. "Die Endometriumbiopsie bei der Stute- eine Analyse der histologischen Befunde zwischen 1992- 2012 am Leipziger Institut für Veterinär- Pathologie." Doctoral thesis, Universitätsbibliothek Leipzig, 2017. http://nbn-resolving.de/urn:nbn:de:bsz:15-qucosa-224653.
Full textRodenbusch, Sarah. "Makroskopische und histopathologische Untersuchungen am Genitaltrakt sub- und infertiler weiblicher Rinder im klinischen Kontext unter besonderer Berücksichtigung der Endometriumbiopsie." Doctoral thesis, Universitätsbibliothek Leipzig, 2011. http://nbn-resolving.de/urn:nbn:de:bsz:15-qucosa-69939.
Full textDias, Andreia Isabel Mendes. "Identificação e isolamento de células com o fenótipo Side Population (SP) no endométrio da égua." Master's thesis, Universidade de Lisboa. Faculdade de Medicina Veterinária, 2014. http://hdl.handle.net/10400.5/7779.
Full textAs células estaminais apresentam potencial terapêutico e podem desempenhar um papel no desenvolvimento de certos processos patológicos. O fenótipo Side Population (SP) está associado a células de características estaminais e foi descrito no endométrio humano e do murganho. Para investigar a presença de células SP no endométrio equino, de 11 úteros obtidos post-mortem foram analisadas por citometria de fluxo diferentes populações celulares do endométrio (população mista, células epiteliais e células do estroma, n=16), após coloração com Hoechst. Seis das éguas estavam na fase folicular e três na fase lútea. Foram identificadas populações SP em todas as amostras excepto numa suspensão epitelial. A média (± erro-padrão) de células SP foi de 2,78 ± 2,01% nas populações celulares mistas de endométrio, 3,90 ± 3,68% nas células do estroma e 7,03 ± 6,79% nas células do epitélio. A proporção de células SP foi superior nas populações obtidas do estroma e do epitélio do endométrio de éguas em fase folicular (p<0,01) e, dentro dessas amostras, foi superior nas populações do epitélio quando comparadas com as do estroma (p<0,01). A análise das amostras revelou que, tal como em outras espécies, é possível identificar uma população SP no endométrio da égua.
ABSTRACT - Identification and isolation of cells with Side Population (SP) phenotype in mare endometrium - Stem cells present therapeutic potential and may play a role in the development of certain pathological processes. The Side Population (SP) phenotype is associated with cells that present characteristics of stem cells and has been described in human and mouse endometrium. To investigate the presence of SP cells in mare endometrium, from 11 uteri collected post-mortem, different cell populations (mixed population, epithelial cells and stromal cells, n=16) of the endometrium were analysed by flow cytometry after Hoechst dying. Six of the mares were in the follicular phase and three were in the luteal phase of the oestrous cycle. SP populations were identified in all samples except in one epithelial suspension. The average (± standard-error) of SP cells was 2,78 ± 2,01% in endometrium mixed cell populations, 3,90 ± 3,68% in stromal cells and 7,03 ± 6,79% in epithelial cells. The proportion of SP cells was higher in populations isolated from the stroma and epithelium of mares in the follicular phase (p<0,01) and, within those samples, it was increased in the populations from epithelium when compared to those of the stroma (p<0,01). The analysis of the samples revealed that, as in other species, it is possible to identify an SP population in the mare endometrium.
Busenbach, Kirsten. "Prävalenz, Morphologie und Entwicklung histomorphologischer Alterationen im Endometrium des Rindes in Abhängigkeit von Alter und Parität." Doctoral thesis, Universitätsbibliothek Leipzig, 2013. http://nbn-resolving.de/urn:nbn:de:bsz:15-qucosa-129252.
Full textBischofberger, Lisa. "Ungleichmäßige glanduläre Differenzierung im equinen Endometrium - frühe Stadien einer Endometrose?" 2020. https://ul.qucosa.de/id/qucosa%3A74734.
Full textEquine endometrosis is known as periglandular and/or stromal fibrosis in combination with glandular alterations. In view of their function and/or activity, the affected glands often are deviating from the physiological stage of the cycle. It is one of the most important reasons for reduced fertility in mares and - in dependence on quality and degree - partly leads to a distinct reduction of the expected foaling rate. According to recent findings, endometrial maldifferentiations occur more often (16% during the breeding season) than expected. Affected endometria are characterised by glands deviating from the physiological stage of the cycle regarding their function and/or activity. The irregular glandular differentiation (IGD) shows a polymorphy of epithelial cells within one gland cross-section, while the unequal glandular differentiation (UGD) reminds on endometrosis because of the glandular nests, up to now seen as non-fibrotic, deviating from the stage of the cycle. Until now, endometrial maldifferentiations, excluding atrophia during the breeding season, are not mentioned in the catgorisation system for endometrial tissue examination. But in fact, they also are reducing the fertility. So the aim of this study was to get new insights if UGD is an early form of endometrosis by comparative histomorphological and immunohistochemical examinations on serial slides (n = 837) of 33 endometrial tissue specimens with UGD and endometrosis. The biopsies were taken of 31 mares during physiological breeding season (April to September) between 1998 and 2012 and grouped according to their diagnostic findings: The mares in group 1 (n = 10) show UGD, group 1a (n = 3) shows UGD and IGD while Group 2 (n = 10) is characterised by the presence of UGD and endometrosis and group 2a (n = 10) by UGD, endometrosis and IGD. Each 5 tissue samples without alterations, respectively a mild endometrosis served as controls. All serial slides (n = 837) were routinely processed and stained by hematoxylin and eosin or underwent an immunohistochemical treatment to detect α-actin, desmin, vimentin, laminin, estrogen- und progesteronreceptors. The evaluation of the results was carried out semi-quantitatively and without statistical analysis. Each three slide levels of the tissue samples were examined by light microscopy, if and of which gradual occurrence periglandular arranged stromal cells (PSC) were noticeable in deeper areas of the selected UGD-nests. In slide level 1 most of the glands (78.15%) within UGD show PSC, which mostly (73.42%) surrounds maximally half of the affected gland and rarely (7.07%) the whole gland, often (67.56%) consists of one layer and less frequently (30.38%) of two or three layers. A slight increase of PSC with two or three layers (35.85% respectively 34.67%) is detectable in deeper slide levels, also more often a complete surrounding of the glands (10.53% respectively 10.03%) by the PSC is seen. The immunohistochemical investigations reveal, compared to unchanged stromal cells, an increase of the stromal α-actin-expression in UGD and (stronger) in endometrosis. Desmin is expressed by a higher percentage of stromal cells in UGD as well as in endometrosis, but with reduced intensity. This is already described in literature for UGD but not for endometrosis. The stromal vimentin-expression is increased towards the unchanged areas in UGD and endometrosis, but the percentage of vimentin-positive stromal cells is slightly higher within UGD than within endometrosis. Vimentin also is detectable with slightly hightened percentage and first of all stronger intensity in epithelial cells of both alterations. Laminin, which is a part of the basal lamina, can be found around glands and around UGD- and fibrotic glands primarily is characterised by a widened/filamentous, discontinuous or missing, sometimes also slighter morphology. Compared to the unchanged areas, the stromal cells in UGD and endometrosis express the ER and PR in a reduced way, while epithelial cells show a slightly increased expression, especially for the ER. To sum up, a big part of the glands within UGD is characterised by PSC. In association with the immunohistochemical expression pattern of UGD and endometrosis differing (mostly stronger in endometrosis) from those of the unchanged endometrium, this is regarded as an aproach of UGD towards endometrosis, which suggests UGD being an early form of endometrosis. Because of that, a revision and completion of the histomorphological categorisation system for endometrial tissue samples is necessary, assuming the same prognostical evaluation für UGD as for endometrosis, that depends on the degree of the alterations. Future studies could verify, if mares suffering from UGD are developing an endometrosis according to the diagnostical criteria of the categorization system by a defined period of time.
Minkwitz, Claudia. "Plastizität endometrialer Epithel- und Stromazellen – neue Erkenntnisse zur Pathogenese der equinen Endometrose." 2019. https://ul.qucosa.de/id/qucosa%3A71511.
Full textLehmann, Julia [Verfasser]. "Morphologisch-funktionelle Untersuchungen zur prognostischen Bewertung der equinen Endometrose / eingereicht von Julia Lehmann." 2010. http://d-nb.info/1010776843/34.
Full textSanta, Ália Diana Henriques Barbosa. "Maneio reprodutivo em equinos." Master's thesis, 2019. http://hdl.handle.net/10400.26/34878.
Full textReproductive aspects linked to both sexes influence an efficient reproductive program. In this work two topics related to reproduction in horses were addressed. The first study aimed to evaluate the expression of extracellular matrix proteins, Decorine and Cluster of Differentiation 147 (CD147), in histological sections of healthy equine endometrium and with different degrees of periglandular fibrosis. Immunohistochemistry and western blot were used. No immunolabeling for CD 147 was detected in mare endometrium. In immunohistochemistry studies, decorine immunolabels, which seemed to us to demonstrate its presence in the mare’s endometrium were nonspecific. Further studies with other antibodies should be performed to characterize the expression of these proteins in the mare's endometrium. However, our results suggest a relationship between collagen 1 and α-SMA, as the Kenney endometrial category of the mare increases. The second study aimed to evaluate the effect of different freezing procedures on the quality of Garrana horse semen. Four ejaculates from one stallion were subjected to two commercial freezing extenders (Gent® and BotuCrio®) and two centrifugation times (10 and 20 minutes). The effect of a cushion media (Centrifugation Cushion for Semen®) was also studied. Thus, each semen sample was subjected to 8 different treatments. Mobility, concentration, viability and morphology of sperm were evaluated in semen before freezing, frozen semen and in supernatant. According to our results semen centrifugation for 10 minutes and the use of cushion seems to be the better way to process semen for cryopreservation, since it was the procedure with better viability and mobility rates. Keywords: CD147, Cryopreservation, Decorin, Endometrosis, Garrano Breed, Semen
Hoffmann, Christine [Verfasser]. "Morphologisch-funktionelle Untersuchungen zur Pathogenese der equinen Endometrose unter besonderer Berücksichtigung endometrialer Proteine und Kohlenhydrate / eingereicht von Christine Hoffmann." 2006. http://d-nb.info/982890567/34.
Full textKiesow, Claudia. "Pathogenese der equinen Endometrose: Bedeutung der Wachstumsfaktoren Transforming growth factor-alpha, -beta1, -beta2 und -beta3 sowie der Matrixmetalloproteinase-2." Doctoral thesis, 2009. https://ul.qucosa.de/id/qucosa%3A11125.
Full textFast, Christine [Verfasser]. "Morphologisch-funktionelle Untersuchungen zur Pathogenese der equinen Endometrose unter besonderer Berücksichtigung endometrialer Proteine und Kohlenhydrate / eingereicht von Christine Hoffmann." 2006. http://d-nb.info/982890567/34.
Full textKiesow, Claudia [Verfasser]. "Pathogenese der equinen Endometrose: Bedeutung der Wachstumsfaktoren Transforming growth factor-α [Transforming growth factor-alpha], - β1[beta1], - {β2 [beta2] und - {β3 [beta3] sowie der Matrixmetalloproteinase-2 / eingereicht von Claudia Kiesow geb. Severin." 2010. http://d-nb.info/1013372913/34.
Full textSchilling, Anne. "Die Endometriumbiopsie bei der Stute- eine Analyse der histologischen Befunde zwischen 1992- 2012 am Leipziger Institut für Veterinär- Pathologie." Doctoral thesis, 2016. https://ul.qucosa.de/id/qucosa%3A15630.
Full textRodenbusch, Sarah. "Makroskopische und histopathologische Untersuchungen am Genitaltrakt sub- und infertiler weiblicher Rinder im klinischen Kontext unter besonderer Berücksichtigung der Endometriumbiopsie." Doctoral thesis, 2010. https://ul.qucosa.de/id/qucosa%3A11207.
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