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Academic literature on the topic 'Tissu non-lymphoïde'
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Journal articles on the topic "Tissu non-lymphoïde"
Najimi, Dr R., Pr L. Herrak, Dr R. Azzeddine, Pr M. El Fetouh, and Pr L. Achachi. "Double localisation d’un lymphome de MALT : A propos d’un seul cas." IOSR Journal of Dental and Medical Sciences 23, no. 9 (September 2024): 47–51. http://dx.doi.org/10.9790/0853-2309014751.
Full textKichou, Faouzi, Ahmed Mechaal, Mohammed Bouslikhane, Ahlam Kadiri, Khalil Zro, and Jaouad Berrada. "Facteurs de risque et caractéristiques cliniques et lésionnelles de la lymphadénite caséeuse ou maladie des abcès chez les ovins au Maroc." Revue d’élevage et de médecine vétérinaire des pays tropicaux 69, no. 2 (November 17, 2016): 79. http://dx.doi.org/10.19182/remvt.31183.
Full textAdakal, O., SI Mounkeila, O. Kimso, MB Abdoulaye, AN Hamma, M. Maikassoua, and MM Rouga. "C87: Les tumeurs des parties molles en service de chirurgie du Centre Hospitalier Régional de Maradi (Niger) en 2020." African Journal of Oncology 2, no. 1 Supplement (March 1, 2022): S36—S37. http://dx.doi.org/10.54266/ajo.2.1s.c87.blww8757.
Full textDissertations / Theses on the topic "Tissu non-lymphoïde"
Wołowiec, Dariusz. "Étude des CDKS et des cyclines dans le tissu lymphoïde normal et pathologique." Lyon 1, 1995. http://www.theses.fr/1995LYO1T147.
Full textRoubanis, Aristeidis. "Investigating the metabolism of regulatory T cells in non-lymphoid tissues using a genetic approach and an in vivo adaptation of SCENITH." Electronic Thesis or Diss., Sorbonne université, 2024. https://accesdistant.sorbonne-universite.fr/login?url=https://theses-intra.sorbonne-universite.fr/2024SORUS321.pdf.
Full textRegulation of cellular metabolism is a central element governing the fate and function of T cells. Among T cells, CD4+ Foxp3+ regulatory T cells (Tregs) are critical for the maintenance of self-tolerance and immune homeostasis. Tregs are present in lymphoid tissues where they control immune responses and in various non-lymphoid tissues where they maintain tissue homeostasis. Precursors of Tregs colonising non- lymphoid tissues are present in the spleen and lymph nodes and undergo developmental differentiation steps. However, the mechanisms by which Tregs colonise non-lymphoid tissues and how tissue Tregs metabolically adapt to varying microenvironments across tissues remain poorly understood partly because of experimental difficulties in assessing the metabolic profiles of rare cells in physiological conditions. To investigate the metabolism of Tregs, mice conditionally knocked out for the metabolic checkpoint Liver kinase B1 (LKB1) (cKO) were generated. These mice have a significantly reduced lifespan due to a systemic hyperinflammatory disorder, despite having relatively normal numbers of Tregs in the spleen and lymph nodes. LKB1, primarily known for activating AMPK and modulating mitochondrial metabolism, appears crucial for the colonisation of NLT by Tregs. Further analysis revealed the absence of the mature tissue Treg precursors in the spleen of cKO mice, suggesting a block of tissue Treg differentiation in the absence of LKB1.Recent advances, such as the SCENITH technique, allow the study of the metabolism of rare cells by measuring protein translation as an indicator of energy consumption by flow cytometry. However, this technique traditionally requires cells to be cultured ex vivo or in vitro, which can alter their metabolism. To address this issue, an innovative method derived from SCENITH was implemented to investigate the cellular metabolism of T cells in the spleen and lungs at steady state. Compared to classical SCENITH, this new technique also helps improve cell viability, in particular for Tregs. Results obtained with the in vivo SCENITH revealed that conventional T cells and Tregs share similar metabolic profiles in the spleen and lungs. Notably, lung T cell metabolism relies mainly on oxidative phosphorylation at steady state, while spleen T cells also utilise glycolysis. Additionally, maintaining Foxp3 expression in Tregs is influenced by metabolic inhibitors affecting protein translation and energy availability. Our findings highlight the role of LKB1 in the differentiation and colonisation of tissue Tregs and underscore the importance of metabolic adaptation in tissue Treg differentiation. The new in vivo SCENITH technique may provide valuable insights to assess the metabolic status of rare T cells in their natural environments
Gueye, Aïssatou. "L'infection non-pathogène SIVagm chez le singe vert d'afrique : étude de la réplication et de la dissémination virale." Paris 11, 2002. http://www.theses.fr/2002PA114837.
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