نتایج جستجو برای: thymocyte
تعداد نتایج: 6432 فیلتر نتایج به سال:
Activation of the p38 mitogen-activated protein kinase (MAPK) pathway is important for some T-cell functions, but its role in intrathymic development is unclear. To investigate the function of p38 MAPK during the late stages of thymocyte differentiation, pharmacologic and genetic manipulations were used to inhibit p38 MAPK activity in developing thymocytes. Ligation of the T-cell antigen recept...
The adenosine producing enzyme ecto-5'-nucleotidase (5'-NT) is not normally expressed during thymocyte development until the medullary stage. To determine whether earlier expression would lead to adenosine accumulation and/or be deleterious for thymocyte maturation, thymic purine metabolism, and T cell differentiation were studied in lckNT transgenic mice overexpressing 5'-NT in cortical thymoc...
Immature thymocytes undergo a selection process within the thymus based on their T cell antigen receptor (TCR) specificity that results either in their maturation into functionally competent, self-MHC-restricted T cells (positive selection) or their deletion (negative selection). The outcome of thymocyte selection is thought to be controlled by signals transduced by the TCR that vary in relatio...
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