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Academic literature on the topic 'Érythropoïèse'
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Journal articles on the topic "Érythropoïèse"
Karim, Z. "Fer et érythropoïèse." Transfusion Clinique et Biologique 20, no. 3 (June 2013): 264. http://dx.doi.org/10.1016/j.tracli.2013.04.042.
Full textHermine, d’Olivier, and M. Romet. "Parathormone et érythropoïèse." Néphrologie & Thérapeutique 7, no. 1 (February 2011): H5—H8. http://dx.doi.org/10.1016/s1769-7255(11)70004-9.
Full textChambellan, A., S. Coulon, A. Cavailles, O. Hermine, and T. Similowski. "BPCO et érythropoïèse : interactions et conséquences." Revue des Maladies Respiratoires 29, no. 2 (February 2012): 213–31. http://dx.doi.org/10.1016/j.rmr.2011.12.004.
Full textVincent, Laure. "Érythropoïèse des syndromes myélodysplasiques: cas du syndrome 5q-." Hématologie 16, spec4 (July 2010): 17–20. http://dx.doi.org/10.1684/hma.2010.0484.
Full textLahlou, Z., H. Bourouhou, I. Khattabi, N. Mtioui, S. Elkhayat, M. Zamed, G. Medkouri, M. Benghanem, and B. Ramdani. "Hépatite C et érythropoïèse : quelle relation chez l’hémodialysé ?" Néphrologie & Thérapeutique 12, no. 5 (September 2016): 319. http://dx.doi.org/10.1016/j.nephro.2016.07.077.
Full textDurousseau De Coulgeans, Cécile, Thomas Granier, Catherine Movia, Jacques Chiaroni, Maria De Grandis, Wassim El Nemer, and Sylvie Chapel-Fernandes. "P-227 ERMAP dans l[StQuote]érythropoïèse humaine." Transfusion Clinique et Biologique 30 (November 2023): S147. http://dx.doi.org/10.1016/j.tracli.2023.09.271.
Full textDine, G., G. Fumagalli, F. Van Lierde, and V. Genty. "Érythropoïèse et métabolisme du fer: interactions et applications biomédicales." Bio tribune magazine 34, no. 1 (March 2010): 22–32. http://dx.doi.org/10.1007/s11834-010-0139-9.
Full textCLAUSTRES, Mireille, P. CHATELAIN, and Ch SULTAN. "Somatomédine C/« insulin-like growth factor » I (SMC/IGF-I) et érythropoïèse in vitro." Reproduction Nutrition Développement 27, no. 2B (1987): 569–70. http://dx.doi.org/10.1051/rnd:19870416.
Full textIgbokwe, I. O. "Dyserythropoiesis dans la trypanosomose animale." Revue d’élevage et de médecine vétérinaire des pays tropicaux 42, no. 3 (March 1, 1989): 423–29. http://dx.doi.org/10.19182/remvt.8805.
Full textDissertations / Theses on the topic "Érythropoïèse"
Bonafoux, Béatrice. "Le transcriptome du réticulocyte : marqueurs moléculaires de la lignée érythroïde, intérêt en biologie humaine." Montpellier 1, 2005. http://www.theses.fr/2005MON1T028.
Full textNiloofar, Reihani. "Nouveaux rôles des progéniteurs érythoïdes et du globule rouge dans la physiopathologie de la maladie de Gaucher." Sorbonne Paris Cité, 2016. http://www.theses.fr/2016USPCC110.
Full textGaucher disease (GD) is an inherited rare disease caused by P-Glucocerebrosidase deficiency, leading to glycosphingolipid accumulation in cells of the mononuclear-macrophage lineage. Visceral enlargement, bone involvement, thrombocytopenia and mild anemia are the major manifestations of GD. We investigated the hematological characteristics of GD patients. We did not find any index related to hemolysis but some features of anemia with a central origin were evidenced. Lndeed, anemic patients exhibit low reticulocyte counts than expected, despite elevated erythropoietin, Growth differentiation factor-15 and soluble Transferrine receptor's levels (markers of ineffective erythropoiesis) in plasma. In vitro erythropoiesis experiences from peripheral CD34+ cells revealed an accelerated differentiation of erythroid progenitors in GD patients when experiments were performed with, but even without macrophages (MP), suggesting an inherent defect in erythroid progenitors. Our previous studies demonstrated red blond cells (RBC) abnormalities in GD. We studied the effects of enzyme replacement therapy (ERT) on RBC abnormalities. We showed that ERT normalized morphological and deformability defects of GD RBC but not their adherence and aggregation properties. These results suggested a role of RBCs in vaso-occlusion crises and bone infarcts in GD and could explain the persistence of these symptoms in some treated patients. These experiments demonstrate an anemia with central defect and the dyserythropoiesis independently of MP defects in GD. They confirm RBC abnormalities, in part normalized by the ERT and highlight the role of the erythroid compartment in the physiopathology of GD
Claessens, Yann-Erick. "Etude de la dysérythropoièse au cours des syndromes myélodysplasiques de bas grade." Paris 5, 2004. http://www.theses.fr/2004PA05P632.
Full textAnemia is a common feature in low grade myelodysplastic syndromes (MDS). However mechanisms responsible for this are unresolved. We describe a model of liquid cultures allowing the in vitro development of the erythroid lineage from CD34+ cells from MDS and control patients. We found an increased apoptosis and a decrease in expansion properties in MDS cultures. The Fas-Fas ligand system was responsible for the impairment of the erythroid development. We modulate this apoptotic signalling via inhibition of caspase-8 using a dominant negative of the adapter FADD, thus openening new therapeutic pathways. Significance of the enhanced apoptotic pathway mediated by Fas remains unresolved so far
Le, Gall-Ianotto Christelle. "Régulation neuro-endocrine de l'hématopoïèse : rôle de la Substance P et de son dérivé, la Substance P(1-4), dans la régulation négative de l'érythropoïèse dans la polyglobulie de Vaquez." Brest, 2007. http://www.theses.fr/2007BRES3203.
Full textThe hematopoietic and nervous systems communicate bidirectionally through the release of soluble factors and specific receptors. Substance P (SP), an undecapeptide belonging to the tachykinin family, is an example 0f a neurotransmitter that could be synthetized and released in the bone marrow (BM). SP could act as a hematopoietic modulator and can be further digested by peptidases ubiquitously expressed in BM. SP fragments as SP(1 -4) could exert hematopoietic regulation too. The aim of this study was to determine effect of SP and its derivate, SP( 1-4), on pathologie erythropoiesis. Polycythemia vera (PV) is a chronic myeloproliferative disorder characterized by the abnormal proliferation of multipotent hematopoietic progenitor. Endogenous erythroid colonies (EEC) formation is the biological hallmark of the PV. Resuits obtained show that SP and SP(1-4), at physiological concentration, are potent inhibitors of EEC formation by direct action on erythroid progenitors. SP-induced inhibition is mediated by a NK-1R-type dependent mechanism and another G coupled-protein receptor (GPCR) for SP( 1-4) effect. High expression of the truncated form of NK-1 R on PV erythroid progenitor suggests preferential implication in the SP effect, Difference in membranar signaling pathway for SP and SP(l-4) could explain the differential implication of PKCɛ and intracellular calcium rise, However, for both molecules, inhibitory effect is characterized by inhibition of terminal erythroid differentiation and increase cell death. Nitric oxide (NO) implication in signal transduction constitutes an important information to explain these mechanisms. Furthermore, inhibitory effect of SP and SP(1-4) is independent of action on adhesion molecules and rupture of cell adhesion of PV progenitors. In addition to its role in vitro, high concentrations of SP were detected in PV patients sera and was not correlated with fibrosis. We propose that this phenomenon reflect a mechanism induces by the organism to maintain homeostasis in PV patients. This work participates to the identification of new molecules able to inhibit spontaneous growth of PV erythroid progenitor and in the understanding of mechanisms implicated in the EEC formation and inhibition of this phenomenon
Rio, Bénédicte. "Intérêt des cultures de progéniteurs érythroblastiques en hématotoxicologie in vitro : application à l'étude de contaminants alimentaires et environnementaux." Brest, 1997. http://www.theses.fr/1997BRES2041.
Full textHafid-Medheb, Khalid. "Rôle de la protéine anti-apoptotique Bcl-Xl dans la différenciation érythroi͏̈de terminale des cellules de Friend." Paris 5, 2001. http://www.theses.fr/2001PA05S025.
Full textFriend murine erythroleukaemia cells are a useful model for studying gene expression during erythroid differentiation. These cells are erythroid precursors blocked at a relatively early stage in erythroid differentition and are able to differentiate by exposure to chemical inducers such as DMSO. DMSO-treated cells undergo phenotypic changes that resemble the final stages of normal erythropoiesis. Induced cells commit towards terminal erythroid differentiation, leading to the formation of cells which synthesize haemoglobin with a loss of proliferative capacity. .
Laurent, Benoît. "Fonctions et modes d'action du facteur de transcription Gfi-1B au cours de l'érythropoïese normale et pathologique." Paris 5, 2009. http://www.theses.fr/2009PA05T029.
Full textErythropoiesis, process of erythrocytes production from hematopoietic stem cells, involves the activation of a specific transcriptional program. The transcriptional represser Gfi-1B is essential for erythropoiesis as mice knocked-out for this gene die in utero because of an absence of red cells. The aim of my doctoral researches was to study and characterize functions and actions of the transcription factor Gfi-1B during adult erythropoiesis. My results have shown: II that Gfi-1B expression increases strongly during erythroid differentiation and stays high till terminal stages. Decrease of Gfi-1B co-repressor recruitment on its own promoter allows its transcriptional activity throughout erythroid differentiation. 2/ that HMGB2 protein is necessary for erythropoiesis by controlling Gfi-1B expression 3/ that Gfi-1B is necessary at the bipotent erythro-megakaryocytic progenitor stage by regulating TGF-P signalling via the control of the expression of TGF-P receptor type III, a Gfi-1B target gene. 4/ that transcriptional repression by the LSDl/CoREST/HDAC complex involves the methylation of a Gfi-1B isoform. Interestingly, a decrease hi the Gfi-1B expression and its isoform was shown in most of the erythroid progenitors from myelodysplasic patients
Coulon, Séverine. "Rôle des immunoglobulines A1 dans la régulation positive de l'érythropoïèse." Paris 11, 2009. http://www.theses.fr/2009PA11T105.
Full textMontel, Amélie. "Transport du glucose et de la vitamine C dans les érythrocytes : un lien entre GLUT1 et l'évolution." Montpellier 2, 2008. http://www.theses.fr/2008MON20033.
Full textThe generation of blood cells, a process termed hematopoiesis, involves cell survival, proliferation and differentiation. The high levels of energy required in this process suggest that glucose metabolism should be an important regulator, but this question has not been extensively studied. Human erythrocytes express the highest level of the GLUT1 glucose transporter, and my PhD research focused on the role of GLUT1 during erythropoiesis. GLUT1 expression increased during differentiation but was not associated with an increased glucose transport. Indeed, I determined that in contrast to nucleated cells, erythrocytes preferentially transport L-dehydroascorbic acid (DHA), an oxidized form of ascorbic acid (AA). I identifi ed stomatin, an integral erythrocyte membrane protein that binds GLUT1, as regulating the switch from glucose to DHA transport. Notably though, we found that erythrocyte GLUT1 and associated DHA uptake are unique traits of humans and the few other mammals (higher primates, guinea pig and fruit bat) unable to synthesize vitamin C. As erythrocyte GLUT1 allows AA recycling, this constitutes an evolutionary strategy compensating for vitamin C defi ciency. Significantly, we found that erythrocytes from all tested mammalian species express high levels of GLUT1 at birth, a trait that is rapidly lost during the neonatal period. Using a murine model, I determined that GLUT4 is expressed during the adult period but does not permit DHA transport. Moreover, in adult mice, anemia induced erythropoiesis resulted in a dramatic induction of GLUT4, but not GLUT1. The concomitant repression of GLUT1 and induction of GLUT4 was associated with a change in the balance of Sp3/Sp1 transcription factors. This study raises new perspectives in erythropoiesis, notably on the implications of glucose transporters in erythrocyte pathologies
Stuhl-Gourmand, Laetitia. "Role de Naca et de ses partenaires moléculaires dans la différenciation érythroïde normale et pathologique des syndromes myélodysplasiques." Thesis, Aix-Marseille 2, 2010. http://www.theses.fr/2010AIX20661/document.
Full textThe erythropoiesis is a complex process that leads to the formation of 100 billion red cells per day. It is finely regulated to adjust the production of red blood cells according to oxygen needs of peripheral tissues. To understand the complex processes involve in the regulation of erythropoiesis, it requires the study of molecular actors such as the NACA protein (the alpha chain of the nascent polypeptide-associated complex), highlighted as a positive regulator of erythroid human differentiation. We have identified ERGIC-53 as a novel interactor of NACA. ERGIC-53 is a lectin mannose-specific membrane involved in the transport of glycoproteins from the Endoplasmic Reticulum (ER) to the ERGIC compartment (Golgi Endoplasmic Reticulum Compartment Intermediate). We have shown that ERGIC-53 and NACA are involved in the regulation of trafficking of EPO-R. NACA may be also a negative regulator of apoptosis mediated by FADD. We investigated the role of NACA in early stages of myelodysplastic syndromes (ES-MDS) which have ineffective erythropoiesis due to apoptosis of erythroid progenitors. We have demonstrated that transduction of NACA in CD34 + progenitor cells from ES-MDS restores erythroid differentiation and increased survival of erythroid progenitors. Moreover, this study suggests that the level of mRNA NACA may be a new predictive marker of response to rhEPO treatment. In conclusion, our work highlighted that a molecule of the cellular machinery is involved in erythroid differentiation of both normal and ES-MDS CD34+ cells
Books on the topic "Érythropoïèse"
Erythropoietins and Erythropoiesis: Molecular, Cellular, Preclinical, and Clinical Biology (Milestones in Drug Therapy). Birkhauser, 2004.
Find full textNew Concepts in Blood Formation Cell Generation in Malignant & Benign Tissues: Adult & Embryonic Tissues from Humans & Animals in Chronic Ischemic Con. Diagnostic & Cell Research Institute, 1995.
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