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Deprecated: Implicit conversion from float 209.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 J+Immunol 2016 ; 196 (10): 4237-45 Nephropedia Template TP
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The Microtubule-Associated Protein Lis1 Regulates T Lymphocyte Homeostasis and Differentiation #MMPMID27029586
Ngoi SM; Lopez JM; Chang JT
J Immunol 2016[May]; 196 (10): 4237-45 PMID27029586show ga
The microtubule-associated protein Lissencephaly 1 (Lis1) is a key regulator of cell division during stem cell renewal and differentiation. In this study, we examined the role of Lis1 in T lymphocyte homeostasis and fate diversification in response to microbial infection. T cell-specific deletion of Lis1 resulted in depletion of the peripheral CD4+ and CD8+ T lymphocyte pool, owing to a loss of homeostatic, cytokine-induced proliferation. By contrast, cognate antigen-triggered proliferation was much less affected, enabling Lis1-deficient CD8+ T cells to differentiate into terminal effector cells in response to microbial infection. Strikingly, however, the specification of Lis1-deficient long-lived memory CD8+ T lymphocytes was impaired due, in part, to an apparent failure to differentiate appropriately to IL-15. Taken together, these findings suggest that Lis1 plays an important role in T cell homeostasis and the generation of memory T lymphocytes.