Fan-Chi Hsu

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Newly generated T cells are unable to respond to antigen/MHC. Rather, post-selection single-positive thymocytes must undergo T cell maturation to gain functional competency and enter the long-lived naive peripheral T cell pool. This process is poorly understood, as no gene specifically required for T cell maturation has been identified. Here, we demonstrate(More)
The transcription factor Runx1 has essential roles throughout hematopoiesis. Here, we demonstrate that Runx1 is critical for T cell maturation. Peripheral naïve CD4(+) T cells from CD4-cre Runx1 cKO mice are phenotypically and functionally immature as shown by decreased production of TNF-α upon TCR stimulation. The loss of peripheral CD4(+) T cells in(More)
B lymphopoiesis in bone marrow (BM) is critical for maintaining a diverse peripheral B cell pool to fight infection and establish lifelong immunity. The generation of immature B cells is reduced in Flt3-ligand (FL-/-) mice leading to deficiencies in splenic B cells. Here, we sought to understand the cellular basis of the spleen B cell deficiency in FL-/-(More)
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