Dissertations / Theses on the topic 'Human Mammary Glands'
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Chang, Cheng. "Function and Regulation of the α6 Integrins in Mammary Epithelial Biology and Breast Cancer: A Dissertation." eScholarship@UMMS, 2015. http://escholarship.umassmed.edu/gsbs_diss/734.
Full textOgba, Ndiya. "Transcriptional Regulation Of Estrogen Receptor Alpha Target Genes By Hexamethylene Bisacetamide-Inducible Gene 1 (HEXIM1) And Its Role In Mammary Gland Development And Breast Cancer." Cleveland, Ohio : Case Western Reserve University, 2010. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=case1258406511.
Full textTunzi, Christina R. "Defensins, endogenous antibiotic peptides in the human mammary gland." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape9/PQDD_0005/MQ46148.pdf.
Full textKwok, Bruce Chia-Wah. "Characterization on OCTN1 and OCTN2 in the human mammary gland." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2001. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp04/MQ63172.pdf.
Full textWang, Qian. "Regulation of sodium transport across epithelia derived from human mammary gland." Diss., Kansas State University, 2014. http://hdl.handle.net/2097/17600.
Full textDepartment of Anatomy and Physiology
Bruce D. Schultz
The first aim of this project is to define the cellular mechanisms that account for the low Na[superscript]+ concentration in human milk. MCF10A cells, which were derived from human mammary epithelium and grown on permeable supports, exhibit amiloride- and benzamil-sensitive short circuit current (I[subscript]sc), suggesting activity of the epithelial Na[superscript]+ channel, ENaC. When cultured in the presence of cholera toxin (Ctx), MCF10A cells exhibit greater amiloride sensitive I[subscript]sc at all time points tested, an effect that is not reduced with Ctx washout for 12 hours or by cytosolic pathways inhibitors. Ctx increases the abundance of both beta and gamma-ENaC in the apical membrane and increases its monoubiquitination but without changing total protein and mRNA levels. Additionally, Ctx increases the levels of both the phosphorylated and the nonphosphorylated forms of Nedd4-2, a ubiquitin-protein ligase that regulates ENaC degradation. The results reveal a novel mechanism in human mammary gland epithelia by which Ctx regulates ENaC-mediated Na[superscript]+ transport. The second project aim is to develop a protocol to isolate mammary gland epithelia for subsequent in vitro culture. Caprine (1[superscript]0CME) and bovine mammary epithelia (1[superscript]0BME) were isolated and cultured on permeable supports to study hormone- and neurotransmitter-sensitive ion transport. Both 1[superscript]0CME and 1[superscript]0BME cells were passed for multiple subcultures and all passages formed electrically tight barriers. 1[superscript]0CME were cultured in the presence of hydrocortisone and exhibited high electrical resistance and amiloride-sensitive I[subscript]sc, suggesting the presence of ENaC-mediated Na[superscript]+ transport. 1[superscript]0BME were grown in a complex media in the presence or absence of dexamethasone. In contrast to 1[superscript]0CME, 1[superscript]0BME exhibited no detectable amiloride-sensitive I[subscript]sc in either culture condition. However, 1[superscript]0BME monolayers responded to an adrenergic agonist, norepinephrine, and a cholinergic agonist, carbamylcholine, with rapid increases in I[subscript]sc. Thus, this protocol for isolation and primary cell culture can be used for future studies that focus on mammary epithelial cell regulation and functions. In conclusion, the results from these projects demonstrate that mammary epithelial cells form electrically tight monolayers and can exhibit neurotransmitter- and/or hormone-induced net ion transport. The mechanisms that regulate Na[superscript]+ transport across mammary gland may provide clues to prevent or treat mastitis.
Clément, Flora. "Regulating human mammary epithelial stem cells transformation : an interplay between extrinsic and intrinsic signals." Thesis, Lyon, 2017. http://www.theses.fr/2017LYSE1078.
Full textIt has been shown for a number of cancers that a cell population characterized by stem cell (SC) properties and therapeutic resistance is likely responsible for relapse several years after treatment. Current therapies kill most of the tumor cells, but fail to eradicate the so-called cancer stem cells (CSC). Therefore a complete cure of the disease will require the eradication of the tumor-sustaining CSC. We propose to study these CSC in the context of breast cancer as the existence of CSC as already been highlighted in this epithelia.CD10 is a membrane enzyme able to cleave several peptide of the microenvironment (such as oxytocin, bombesin, enkephalin.. ) that can also interact with intracellular signalling pathway through its direct interaction with PTEN. Our results, and those of the literature, indicate that CD10 enzyme controls the fate of SC and is deregulated in normal breast and cancerous tissues. We showed that CD10 membrane expression allows the maintenance of immature cells partly through its enzymatic function that inhibits mammary stem cells differentiation. As CD10 has been described in breast cancer initiation, progression and resistance, we then decided to test the role of CD10 in tumor context. Our strategy consists in flow cytometry cell sorting for CD10+/CD10- cells to compare the functional properties of both sub-population. Only CD10+ cells are able to regenerate both CD10+ and CD10- subpopulations, and CD10+ cells exhibit higher expression of immature genes. Interestingly, modulating CD10 using stable expression of CD10 in our models and Sh strategies do not mimick the normal functions of CD10, indicating that CD10 could be more a marker of a certain population with immature properties prone to transformation rather than a driver. To better characterize the role of CD10 in luminal breast transformation, we developed a new human mammary model, initiated from immature cells to obtain transformed luminal epithelial cells and their resistant counterpart. We observed a higher level of CD10 expression during mammary epithelial cell transformation process. We then performed a microarray on CD10+ and CD10- subpopulations. Preliminary analysis seems to confirm that CD10 is a potential marker for a stem cell population prone to transformation rather than a direct driver of the cell transformation
Chiche, Aurélie. "Etude des cellules souches et progénitrices mammaires et de leur contribution à la tumorigenèse : rôle des facteurs de transcription Myc et p53." Phd thesis, Université Paris Sud - Paris XI, 2012. http://tel.archives-ouvertes.fr/tel-00924981.
Full textButler, Stephen P. "Production and Secretion of Recombinant Human Fibrinogen by the Transgenic Murine Mammary Gland." Thesis, Virginia Tech, 1997. http://hdl.handle.net/10919/36776.
Full textMaster of Science
Dhillon, Upinder. "The function and expression of the human organic cation transporters, hOCT1 and hOTC2, in mammary gland." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape9/PQDD_0005/MQ46140.pdf.
Full textBurchell, J. M. "Use of monoclonal antibodies in the study of differentiation and malignancy of the human mammary gland." Thesis, Institute of Cancer Research (University Of London), 1986. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.370166.
Full textCAPONE, MARCOS V. N. "Caracterização da estrutura oligossacarídica de prolactina glicosilada humana (G-hPRL) nativa e recombinante." reponame:Repositório Institucional do IPEN, 2013. http://repositorio.ipen.br:8080/xmlui/handle/123456789/10212.
Full textMade available in DSpace on 2014-10-09T13:59:22Z (GMT). No. of bitstreams: 0
Dissertação (Mestrado)
IPEN/D
Instituto de Pesquisas Energeticas e Nucleares - IPEN-CNEN/SP
Bailleul, Serge. "Heterogeneite des recepteurs aux oestrogenes et a la progesterone dans les tumeurs mammaires humaines : relation avec l'hormonodependance." Caen, 1988. http://www.theses.fr/1988CAEN2026.
Full textBERNARD, DOMINIQUE. "Expression des antigenes hla-dr par le tissu mammaire dans les cancers du sein." Clermont-Ferrand 2, 1986. http://www.theses.fr/1986CLF2E367.
Full textTan, Jinxiang. "Etude de la fonction de la métalloprotéase matricielle 11 dans l'interaction/dialogue adipocyte-cellule épithéliale de la glande mammaire." Phd thesis, Université de Strasbourg, 2012. http://tel.archives-ouvertes.fr/tel-00923160.
Full textLi, Zhuo. "Expression of enzymes involved in the synthesis and metabolism of potent sex steroids in the human mammary gland as studied by immunocytochemistry and in situ hybridization." Thesis, Université Laval, 2008. http://www.theses.ulaval.ca/2008/25199/25199.pdf.
Full textSeigne, Christelle. "Étude des fonctions biologiques et oncosuppressives du gène de prédisposition aux Néoplasies Endocriniennes Multiples de type 1 dans les tissus hormono-dépendants chez la souris." Phd thesis, Université Claude Bernard - Lyon I, 2009. http://tel.archives-ouvertes.fr/tel-00877511.
Full textBuchmann, Benedikt [Verfasser], Andreas [Akademischer Betreuer] Bausch, Andreas [Gutachter] Bausch, and Maximilian [Gutachter] Reichert. "The role of plastic collagen remodeling during structure formation of human mammary gland organoids / Benedikt Buchmann ; Gutachter: Andreas Bausch, Maximilian Reichert ; Betreuer: Andreas Bausch." München : Universitätsbibliothek der TU München, 2021. http://d-nb.info/1237815932/34.
Full textCharrier, El Bouhtoury Fatima. "Peroxysomes et cellules mammaires humaines et murines normales et néoplasiques." Nancy 1, 1992. http://www.theses.fr/1992NAN10289.
Full textLIDEREAU, WEINSTEIN ROSETTE. "La variabilite genetique des proto-oncogenes ras, myc et mos comme marqueur de predisposition et d'evolution dans le cancer du sein." Paris 7, 1987. http://www.theses.fr/1987PA077129.
Full textStokes, Kenya. "Estrogen Response Element and the Promoter Context of the Human and Mouse Lactoferrin Genes Influence Estrogen Receptor alpha-Mediated Transactivation Activity in Mammary Gland Cells." NCSU, 2003. http://www.lib.ncsu.edu/theses/available/etd-11182003-090946/.
Full textAbi, Khalil Amanda. "Modulation du phénotype dans les cellules HMEC." Thesis, Montpellier, 2017. http://www.theses.fr/2017MONTT013.
Full textBreast cancer is a heterogeneous pathology. Based on the differences of mRNA expression, at least five molecular subtypes have been defined. These subtypes show differences in profiles of genomic abnormalities and CpG methylation. These molecular subtypes are thought to originate from different cell lineages in the mammary gland. However, this has not yet been clearly demonstrated. Alternatively, it has been proposed that the activation of different oncogenic pathways could have a significant impact on genetic or epigenetic changes.We wanted to verify this hypothesis by applying it to a normal primary human mammary epithelial cells (HMEC) model, which we isolated from normal mammary explants. These cells were transformed in two step process by sequential transduction of (i) a shRNA targeting TP53, (ii) an oncogene. We selected 3 oncogenes that activate distinct signaling pathways CCNE1, HRAS-v12 and WNT1. Our tumor transformation model was established in three-step, normal, immortalized and transformed cells, allowing us to monitor the molecular changes associated with each step and to verify whether the activation of distinct oncogenic pathways produced different profiles of genetic and epigenetic modifications. The different models were analyzed at defined culture times by CGH-array, RRBS, transcriptome and miRNA. Our results show that genetic abnormalities and CpG methylation profiles are different between cells where the RAS pathway was activated and cells overexpressing WNT1 or CCNE1. These differences appear rapidly after oncogene transduction, whereas the profiles of the CCNE1 and WNT1 cells diverged later. Finally, inactivation of p53 by itself does not induce high instability, but produces a context of plasticity favorable to genetic and epigenetic changes.In addition, we noted phenotypic differences between HMEC RAS (mesenchymal) and HMEC CCNE1 and HMEC WNT1 (epithelial). In this work, I show that the immortalized HMEC shp53 exhibit a phenotypic plasticity, where some cells enter a spontaneous EMT and the others remain epithelial. I showed that RAS transduction selected cells that are undergoing an EMT, whereas transduction with CCNE1 or WNT1 selected the epithelial cells. I have sought to identify the determinants of these phenotypic changes and my results suggest that a balance exists between TGFβ1 / BMP1 signaling, which promotes EMT, and BMP4 / WNT7a which promotes TEM
Dunn, Andrew W. "Hyperthermic ablation of MDA-MB-231 human mammary gland adenocarcinoma mediated by the photothermal effect of poly(acrylic acid) coated magnetite nanoparticles, efficacy and applicability for novel cancer treatment." University of Cincinnati / OhioLINK, 2013. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1384849962.
Full textMackenbach, Loue Petra. "Translocation nucléaire de la protéine kinase CK2 induite par les facteurs de croissance et surexpression d'une forme anormale de la kinase dans les tumeurs du sein." Université Joseph Fourier (Grenoble ; 1971-2015), 1997. http://www.theses.fr/1997GRE10164.
Full textBosch, Gutiérrez Almudena. "Role of Ring1B in ephitelial to mesenchimal transition, invasion and migration of mammary epithelial cells." Doctoral thesis, Universitat Pompeu Fabra, 2009. http://hdl.handle.net/10803/7230.
Full textLas proteínas del grupo Polycomb (PcG) forman complejos modificadores de la cromatina esenciales en el desarrollo embrionario y en la renovación de las células madre, y su desregulación ha sido asociada al cáncer. Varios estudios muestran la posible implicación de las proteínas de PcG en la progresión tumoral y en la metástasis, pero a pesar de ello se sabe muy poco de los procesos moleculares en los que estas proteínas están participando. Por otro lado, los procesos moleculares responsables del peor pronóstico en cáncer, la metástasis, que continua siendo una enfermedad incurable, siguen sin estar completamente elucidados. En esta disertación mostramos el papel de Ring1B, una proteína del PcG, en tres procesos implicados en la metástasis: en la transición epitelio-mesénquima (EMT), un proceso morfogénico crítico en el desarrollo embrionario y durante la progresión de varios cánceres epiteliales, y en la migración y la invasión de las células epiteliales mamarias.
Cassanelli, Sylvie. "Analyse in situ de l'hétérogénéité d'expression des récepteurs de la progesterone dans les cellules tumorales mammaires." Université Joseph Fourier (Grenoble), 1995. http://www.theses.fr/1995GRE10118.
Full textBirnbaum, Daniel. "Isolement et caracterisation d'oncogenes issus de tumeurs humaines." Paris 7, 1987. http://www.theses.fr/1987PA077191.
Full textPERRIN, CHRISTELE. "Methodologie pour l'analyse quantitative en imagerie microscopique conventionnelle et a fluorescence. Application a l'etude de la proliferation et de l'expression du recepteur a l'egf dans des cellules tumorales mammaires." Université Joseph Fourier (Grenoble), 1996. http://www.theses.fr/1996GRE10198.
Full textCascales, Élodie. "L’enzyme CD10 : un acteur clé dans l’identification et la régulation des cellules souches mammaires humaines." Thesis, Lyon 1, 2010. http://www.theses.fr/2010LYO10313/document.
Full textIn breast, the existence of cancer stem cells has been demonstrated and that explain a number of observations as tumour heterogeneity. Other studies have demonstrated the resistance of radio and chemotherapy by different innate or acquired stem cell specific mechanisms that could explain relapse few years after the traitment. For all these reasons, that is very important to understand these mechanisms and to know physiological actors both implicated in the regulation of normal or cancer stem cells. CD10 is a zinc-dependant metallo-endopeptidase that inactivates a number of signalling peptides that could be implicated in mammary growth and differentiation. We have showed that CD10+ cell sorted population is enriched in Stem Cells/Early Common Progenitors/MyoEPithelial cells. We demonstrate that the protease activity of CD10 and the adhesion function of beta1-integrin are required to prevent differentiation of mammary stem cells/early progenitors. Taken together, our data suggest that integrin-mediated contact with the basement membrane and cleavage of signalling factors by CD10 are key elements in the microenvironment that maintains the progenitor and stem cell pools in the mammary gland. Adipose tissue is also a major component of the mammary microenvironment implicated in its homeostasis by the secretion of soluble factors. Our results suggested that the adipose tissue could be considered as a potential source of stem cells that differentiated into the luminal epithelial lineage involved in some breast cancers
Whyte, Lorna Louise. "Role of clusterin in murine mammary gland development and progression of human breast cancer." 2005. http://etd.nd.edu/ETD-db/theses/available/etd-04112005-120332/.
Full textKraemer, Jennifer Marie. "Glyburide transport in the human mammary gland and the placenta : implications for developmental toxicology." 2005. http://link.library.utoronto.ca/eir/EIRdetail.cfm?Resources__ID=362446&T=F.
Full textChuang, Meng-Sung, and 莊孟松. "Construction of tissue specific promoter to express human GM-CSF in mammary gland cell." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/scfagj.
Full textHsieh, Ni-Ni, and 謝倪妮. "The Mechanism of Photodynamic Therapy-induced Death in Human Mammary Gland Adenocarcinoma MCF-7 Cells by Pheophytin." Thesis, 2011. http://ndltd.ncl.edu.tw/handle/71577978852310207287.
Full text中原大學
生物醫學工程研究所
98
Photodynamic therapy (PDT) is an alternative anticancer treatment in which direct tumor-cell killing results from selective accumulation of photosensitizers in the tumor sites and phototoxicity occurs when light-activated photosensitizers transfer the energy to oxygen nearby to produce singlet oxygen. In this study, we first demonstrated the phototoxicity of pheophytin a and pheophytin b on human mammary gland adenocarcinoma MCF-7 cells using MTT assay by combining different concentrations of photosensitizer and incubation time as well as light doses (660 nm, 10 mW/cm2) generated from light emitting diodes (LEDs). When MCF-7 cells were incubated with pheophytin a or b at 200 ng/mL for 2 hr and treated with 2.55 J/cm2 irradiation, cell viability decreased to 50%. The viability of MCF-7 cells lowered to 30% with the irradiation of 5.10 J/cm2. Cell viability declined to around 10% as the incubation time increased to 6 hr under the same treatment condition. We further analyzed PDT resulted damage to cell membrane by lactate dehydrogenase (LDH) release assay. A significant LDH release was found when MCF-7 cells were incubated with the photosensitizer at 500 ng/mL for 2 hr. As the incubation time lengthened to 6 hr, LDH release increased to 30%. The cell death resulted from pheophytin a-PDT was higher than that from pheophytin b-PDT. Intracellular level of ATP was next analyzed to determine whether the intracellular level of ATP was consumed by PDT. The results showed that the intracellular ATP level decreased as the incubation time with photosensitizer increased to 6 hr. The depletion of ATP resulted from pheophytin a-PDT was higher than that from pheophytin b-PDT. Furthermore, the ROS production was measured to explore if the photooxidative effect was produced after PDT. ROS level was significantly increased when MCF-7 cells were treated with pheophytin-PDT. The staining of Annexin V/Propidium iodide revealed that pheophytin a- or b-PDT induced apoptic responses in MCF-7 cells. As the light dose and pre-incubation time increased, the percentage of necrotic cells increased. The apoptotic related proteins were further detected by western blotting. The Bax/Bcl-2 ratio increased after pheophytin a- or b-PDT. Caspase-9 and caspase-7 activation were found, followed by PARP cleavage. DNA fragmentation was also observed afterwards after PDT by TUNEL assay and DNA electrophoresis. DNA fragmentation resulted from pheophytin a-PDT was higher than that from pheophytin b-PDT. In conclusion, III both pheophytin a and pheophytin b possess phototoxicity against human mammary gland adenocarcinoma MCF-7 cells. Cell death was caused by PDT via intrinsic apoptic pathway. The results may be applied in animal studies and clinical therapies in the future.
"Differential Effects of Gram-positive and Gram-negative Inflammatory Stimuli on the Expression and Function of Energy Substrate Transporters in Human Mammary Epithelial cells." Thesis, 2012. http://hdl.handle.net/10388/ETD-2012-08-642.
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