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Academic literature on the topic 'Progestérone – Métabolisme'
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Dissertations / Theses on the topic "Progestérone – Métabolisme"
Fay, Laurent Bernard. "Modifications phénotypiques du métabolisme de la progestérone dans des lignées de cellules épithéliales de foie de rat par rapport aux préparations tissulaires d'origine et selon la présence ou l'absence de sérum dans le milieu de culture." Dijon, 1985. http://www.theses.fr/1985DIJOS024.
Full textMoukafih, Malika. "Mécanismes d'action de la progestérone sur le métabolisme du glucose dans l'adipocyte de ratte : intervention de l'AMP cyclique." Bordeaux 1, 1986. http://www.theses.fr/1986BOR10569.
Full textKaddouri, Mohammed. "Évolution ontogénique de l'enzymologie hépatique de biotransformation chez l'ovin femelle de race Lacaune : étude de xénobiotes et de la progestérone." Toulouse, INPT, 1991. http://www.theses.fr/1991INPT016A.
Full textGaignard, Pauline. "Métabolisme mitochondrial cérébral chez les mâles et les femelles : rôle des stéroïdes endogènes et effet de la progestérone après ischémie transitoire focale." Thesis, Paris 11, 2015. http://www.theses.fr/2015PA11T029.
Full textBesides the reproduction control, sex steroids also act on nervous system and exert neuroprotective effects. The mitochondria are centrally involved in cellular energy synthesis and oxidative stress regulation and constitute a potential target of steroids effects on brain. The aim of our study was twofold: (1) to study the influence of endogenous steroids on brain mitochondrial function in physiological conditions ; (2) to determine the effects of progesterone on mitochondrial function when used as therapeutic agent in an experimental model of cerebral ischemia. To analyze the influence of endogenous sex steroids, the oxidative phosphorylation system (oxygen consumption or “respiration” and enzymatic activities) and mitochondrial oxidative stress (glutathione pool and mitochondrial aconitase oxidative inactivation) were analyzed in brain mitochondria of young adult male and female mice (3-month-old), intact and after gonadectomy, and of aged male and female mice (20-month-old). Our results showed that young adult females have lower oxidative stress and a higher NADH-linked respiration rate as compared to young adult males. This sex difference was suppressed by ovariectomy but not by orchidectomy and no longer existed in aged mice. Concomitant analysis of brain steroids suggest that the major male/female differences in brain pregnenolone and progesterone levels may contribute to the sex differences observed in brain mitochondrial function.We have also shown that the decrease of brain mitochondrial respiration induced by ischemia is different according to sex in our experimental model. The NADH-linked respiration decreased after ischemia in males and female but a decrease of FADH2-linked respiration only occurred in females. Ischemia induced oxidative damages in both males and females. Progesterone restored NADH-linked respiration in both sexes and FADH2-linked respiration in females. Progesterone also preserved mitochondrial glutathione pool in both sexes. Our findings point to a sex difference in brain mitochondrial function of young male and female mice and identify the oxidative phosphorylation system and the mitochondrial oxidative stress as targets of the neuroprotective effects of progesterone
Gauchoux, Anne. "Etude de la régulation de l'activité de l'uridyltransférase par le galactose et la progestérone dans différents modèles cellulaires hépatiques en culture." Paris 5, 1994. http://www.theses.fr/1994PA05P027.
Full textBenali, Saïda. "Etude analytique de la mise sous forme de nanocapsules de deux substances lipophiles : conséquences sur le métabolisme de la phénylbutazone." Rouen, 2000. http://www.theses.fr/2000ROUES043.
Full textKaaya, Abderrazak. "Mécanismes d'action de la progestérone sur le métabolisme du glucose dans l'adipocyte de ratte : action non génomique et rôle du calcium et de la calmoduline." Bordeaux 1, 1987. http://www.theses.fr/1987BOR10558.
Full textCordoba, Pascal. "Stéroïdes naturels et de synthèse et métabolisme glucido-lipidique du rat femelle : intervention de l'adénosine et de l'AMPc dans les mécanismes d'action cellulaires de la progestérone." Bordeaux 1, 1994. http://www.theses.fr/1994BOR10586.
Full textZhang, Yonghua. "Studies of the adipose tissue transcriptome." Thesis, Université Laval, 2008. http://www.theses.ulaval.ca/2008/25907/25907.pdf.
Full textRusso, Christophe. "Dynamique et modularité de la voie Mitogen Activated Protein Kinase dans les ovocytes de Xénope : modélisation et approches expérimentales." Thesis, Lille 1, 2009. http://www.theses.fr/2009LIL10109/document.
Full textThe scientific context of this thesis is based on the study of the signaling pathway Mos-MEK-MAPK in Xenopus laevis ovocytes during the G2/M transition of the cell cycle. An interdisciplinary approach from the biological and physical sciences led us to an experimental and theoretical analysis of the pathway. A bibliographical study identified the key articles related to this field. The articles of Huang, Ferrell (1998) and Angeli et al. (2004) gave us a theoretical basis to describe the interactions within the pathway. A critical analysis of the latter paper has been performed by means of an analytical solution of the differential equations defining the model proposed by Angeli and colleagues. Thus, the importance of the kinetic formulation type and the choice of the mathematical terms of the equations has been underlined ; especially in regard to the time variation of the Mos protein. Moreover, we have proposed an interpretation of the Mos-MEK-MAPK cascade behavior via an analytical approach within the context of the experimental parameter values given by Angeli. In addition, new results regarding to the long time evolution of Mos protein have been recovered when the ovocytes are stimulated with progesterone in presence of MEK inhibitor U0126. Furthermore, ovocytes of Xenopus laevis were stimulated by MPF in presence or absence of U0126. Western blot analysis gave information about the time evolution of Mos accumulation and the states of MEK, MAPK and cyclin B2 phosphorylation. Data showed the importance of MPF in Mos accumulation. In absence of MAPK, MPF is produced and plays an important role in the initiation of the signaling pathway. In contrast to other models, our model has been proposed to take into account three forms of the Mos protein : an unstable inactive state, an unstable active state and a stable active state. The model considers the influence of either MPF and MAPK on the accumulation of the active stable of Mos. The influence of MPF has never been used in previous model of the Mos-MEK-MAPK signaling pathway. Our model is based on a biological and physical point of view. The parametrization of the model is based on : (1) experimental values found in literature, (2) arbitrary values constraints by the known system behavior, (3) theoretical estimations from interval of experimental values. Bifurcation analysis of the system indicated the influence of the parameters values on the system behavior and equilibrium states. This approach produces a prediction for the behavior of the cascade in function of the MPF concentration value. It produces also a discussion for the strength of the interactions between MAPK and the active non-stable form of Mos protein. Simulation results from our model were compared with the experimental observations from our experiments. A good qualitative agreement was found