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For several years, it was believed that the thymus was entirely responsible for maintaining T cell homeostasis. Today, it is well-known that homeostatic peripheral mechanisms are essential in order to maintain T cell numbers and diversity constant in the periphery. Naïve and memory T cells require continual access to self-peptide MHC class I and II molecules and/or cytokines to survive in the periphery. Under normal conditions, homeostatic resources are low, and lymphocytes undergo very slow proliferation and survive. Following T cell depletion, the bioavailability of homeostatic resources is significantly increased, and T cell proliferation is dramatically augmented. The development of lymphopenic mouse models has helped our current understanding of factors involved in the regulation of peripheral T cell homeostasis. In this minireview, we will give a brief overview about basic techniques used to study peripheral T cell homeostasis in mice.

Citation

Moutuaata M Moutuou, Simon-David Gauthier, Nicolas Chen, Dominique Leboeuf, Martin Guimond. Studying Peripheral T Cell Homeostasis in Mice: A Concise Technical Review. Methods in molecular biology (Clifton, N.J.). 2020;2111:267-283

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PMID: 31933214

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