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Academic literature on the topic 'Tissu adipeux – Aspect moléculaire'
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Journal articles on the topic "Tissu adipeux – Aspect moléculaire"
Carré, N., J. Girard, and A. F. Burnol. "O15 Effet de l’adaptateur moléculaire Grb14 sur le développement du tissu adipeux et le contrôle de l’homéostasie glucidique." Diabetes & Metabolism 34 (March 2008): H13. http://dx.doi.org/10.1016/s1262-3636(08)72825-8.
Full textAmar, O., C. Bruant-Rodier, S. Lehmann, V. Bollecker, and A. Wilk. "Greffe de tissu adipeux : restauration du volume mammaire après traitement conservateur des cancers du sein, aspect clinique et radiologique." Annales de Chirurgie Plastique Esthétique 53, no. 2 (April 2008): 169–77. http://dx.doi.org/10.1016/j.anplas.2007.07.016.
Full textDissertations / Theses on the topic "Tissu adipeux – Aspect moléculaire"
Bastelica, Delphine. "Etude de l'activation du plasminogène dans le tissu adipeux au cours de l'obésité." Aix-Marseille 2, 2002. http://www.theses.fr/2002AIX20681.
Full textZhang, Yonghua. "Studies of the adipose tissue transcriptome." Thesis, Université Laval, 2008. http://www.theses.ulaval.ca/2008/25907/25907.pdf.
Full textCoudouy-Berdoues, Sophie. "Exploration anatomique du tissu adipeux par imagerie médicale." Toulouse 3, 1997. http://www.theses.fr/1997TOU32040.
Full textVermeiren, Corentin. "Étude du rôle de l’apolipoprotéine L6 dans le tissu adipeux murin." Doctoral thesis, Universite Libre de Bruxelles, 2018. http://hdl.handle.net/2013/ULB-DIPOT:oai:dipot.ulb.ac.be:2013/279701.
Full textApolipoproteins L (APOL) are a family of conserved proteins among mammals. Murine APOL6 is mainly expressed by adipocytes in the adipose tissue. In a model of in vitro adipocyte cell culture, adipogenesis induced the expression of APOL6. This expression increased with IFNγ and decreased with TGFβ. Cyclic-AMP elevating agents also decreased the expression of APOL6. In vivo, APOL6 KO mice that were fed with a high fat diet gained less weight than their wild type (WT) counterparts. Furthermore, adipocytes from obese APOL6 KO mice were smaller than those from WT controls. Finally, immunoprecipitation experiments showed that APOL6 probably interacted with actin cytoskeleton proteins within adipocytes. In conclusion, APOL6 is likely associated with the actin cytoskeleton in adipocytes and could be involved in the regulation of the size of lipid droplets.
Option Biologie moléculaire du Doctorat en Sciences
info:eu-repo/semantics/nonPublished
Geneste, Aline. "Tissu adipeux et résistance tumorale aux thérapies ciblées." Thesis, Lyon, 2018. http://www.theses.fr/2018LYSE1115/document.
Full textTargeted therapies as tyrosine kinase inhibitors permitted an improvement of breast cancer therapies by targeting HER2. However, resistance has been observed in obèse patients for lapatinib treatment.We reproduced the effect of resistance of breast cancer cells to laaptinib in presence of adipose tissue as observed for other therapies. Tumor cells overexpressing HER2 was partly resistant to lapatinib but also for other tyrosine kinase inhibitors when in contact with adipocyte-conditioned medium. By impnating human adipose tissue nad human tumors in mice, we were able to study rhe resistance of breast tumor cells in vivo.In order to elucidate the mechanism of such resistance, we exposed the adipocytes to several metabolism modulators. The lapatinib-induced cell cytotoxicity was lower for the tumor cells exposed to the conditioned medium from adipocytes earlier exposed to alpha blockers than to the conditioned medium from adipocytes alone. In the same manner, the toxicity was lower for the agonists of alpha-adrenergic receptors , for beta-blockers and for the lipolysis inhibitors. At the opposite, the cytotoxicity was enhanced for tumor cells in contact with the conditioned medium of adipocytes exposed to the agonists of beta adrenergic receptors.At the tumor cell level, the laaptinib-induced cell cycle arrest was reduced for the tumor cells exposed to the conditioned medium regarding the G0/G1 phase. That was verified by the study of the expression of genes involved in the cell cycle progression
Ellero, Sandrine. "Conséquences Moléculaires de l'Exposition du Tissu Adipeux Humain à des Xénobiotiques Environnementaux." Phd thesis, AgroParisTech, 2010. http://pastel.archives-ouvertes.fr/pastel-00610847.
Full textTessier, Sébastien. "Régulation de certaines fonctions du tissu adipeux humain selon le statut ménopausique, la localisation du dépôt et en réponse à l'activité physique." Thesis, Université Laval, 2012. http://www.theses.ulaval.ca/2012/29095/29095.pdf.
Full textBour, Sandy. "Rôle des amines oxydases du tissu adipeux : implications dans le diabète et l'obésité." Toulouse 3, 2006. http://www.theses.fr/2006TOU30172.
Full textSemicarbazide-sensitive amine oxidase (SSAO) and monoamine oxidase (MAO) are expressed in adipocytes and their expression is increased during adipogenesis in man. We wanted to explore their implication in diabetes and obesity in vivo. Acute or chronic benzylamine administration improves glucose tolerance in rodents. MAO and SSAO inhibition reduces adiposity in rats ; semicarbazide alone displaying the same effect in mice in opposition to BTT 2052, a new SSAO inhibitor. Furthermore, phenotype of mice invalidated for SSAO was analysed. They exhibit increased weight, adiposity and LDL-cholesterol. Finally, SSAO invalidation reduces lymphocytes and macrophages amount in adipose tissue. Since amine oxidases substrates exert insulin-like effects, they could be antidiabetic agents and or control adipose tissue physiology
Chignon-Sicard, Bérengère. "Analyse moléculaire du tissu adipeux humain en fonction de sa localisation anatomique et effet du PRP (Plateled Rich Plasma) sur les progéniteurs adipeux humains (ASCs)." Thesis, Université Côte d'Azur (ComUE), 2018. http://www.theses.fr/2018AZUR4008/document.
Full textDifferent fields in plastic and aesthetic surgery have evolved in recent years including the transfer and injection of autologous adipose tissue. The first clinical data was presented without any real scientific support. The purpose of this thesis is to improve this technic by adding scientific evidence. There are two questions to consider: 1) Do adipose tissues have different characteristics according to their anatomical origin, and should certain regions be preferred for autografting? 2) Are there autologous growth factors to stimulate engraftment, proliferation and differentiation of grafted cells? The first part of this work consisted in analyzing the adipose tissue according to the fat depot. For this purpose, we analyzed the adipose tissues from 2 anatomical sites: the knee and the chin. The rational of this choice comes from a technical reason and a theoretical reason. Our results suggest that the two sites studied have different embryonic origins, and show that these two sites have a different molecular signature and functionality. The second part of the work deals with the in vitro effect of autologous human growth factors. on the proliferation and differentiation of human adipose stem cells (ASCs). For this purpose, we used platelet concentrates from blood samples, which can therefore be used in human therapeutic practice. It is the PRF (fibrin-rich platelet) and the PRP (platelet-rich plasma). The results of the study show that the presence of PRF or PRP in the culture medium allows a drastic increase in ASC proliferation of about 4 to 5 times. In contrast, the results show a partial inhibition of adipocyte differentiation, whatever the period and the time of contact. We analyzed the composition of different PRP sources and we identified the involvement of the TGFB pathway in the anti adipogenic effects of PRP. In contrast, the antiadipogenic effect was concomitant with the differentiation of ASCs towards myofibroblasts-like cells. In conclusion, this work allows us immediate clinical transposition using PRP during lipofilling. This work also makes it possible to highlight the probable difference in function of the adipocytes taken according to their original anatomical site. This likely has a consequence on the long term evolution of these adipose tissue grafts in case of a weight change
Poursharifi, Pegah. "Immunometabolic aspect of C5L2 and C5aR in adiposity : physical, functional and physiological interactions." Doctoral thesis, Université Laval, 2014. http://hdl.handle.net/20.500.11794/25593.
Full textFrom the convergence of metabolism and immune research has emerged a new research field, termed “Immunometabolism”. Obesity, an immunometabolic disease, is associated with a state of low-grade inflammation and is characterized by increased infiltration of macrophages into adipose tissue. Complement activation can act as an early trigger and precursor of other immune functions. C5aR-like receptor 2 (C5L2) has been identified as a receptor for Acylation Stimulating Protein (ASP) and the inflammatory factor C5a (which can also bind C5aR). This thesis sequentially evaluates (i) ligand-induced C5L2 and C5aR interaction in cultured 3T3-L1 adipocytes and J774 macrophages, (ii) the C5aR contribution in adipocyte metabolic and immune responses in mouse models, (iii) as well as C5L2 and C5aR association with obesity-related factors in humans. The immunometabolic receptors, C5L2 and C5aR, constitutively self-associate into homo-/heterodimers and ligand treatment of 3T3-L1 adipocytes and J774 macrophages increased their colocalization. Both C5a and ASP directly induced primary adipocyte signaling and function. However, in C5aRKO primary adipocytes, C5a effects were disrupted, while stimulatory effects of ASP were mostly maintained. Moreover, addition of C5a completely blocked ASP signaling and activity in both C5aRKO and WT primary adipocytes. Finally, C5L2 and C5aR expression in adipose tissue from morbidly obese women was associated with increased adiposity. Interestingly, ASP/C5L2 and C5L2/C5aR ratio markedly increased with abdominal obesity. Taken together, the closely linked physical, functional and physiological interaction between C5L2 and C5aR in adipocytes suggests a potential role in adipose tissue immunometabolism. This further highlights the important new links between adipose tissue and complement proteins/receptors and demonstrates how excessive immunometabolic responses may exacerbate adiposity.
Books on the topic "Tissu adipeux – Aspect moléculaire"
Barbara, Nicklas, ed. Endurance exercise and adipose tissue. Boca Raton: CRC Press, 2002.
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