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. 2001 Nov;15(5):801-12.
doi: 10.1016/s1074-7613(01)00236-9.

Constitutive CD27/CD70 interaction induces expansion of effector-type T cells and results in IFNgamma-mediated B cell depletion

R Arens  1 , K Tesselaar, P A Baars, G M van Schijndel, J Hendriks, S T Pals, P Krimpenfort, J Borst, M H van Oers, R A van Lier
Affiliations
Free article

Constitutive CD27/CD70 interaction induces expansion of effector-type T cells and results in IFNgamma-mediated B cell depletion

R Arens et al. Immunity. 2001 Nov.
Free article

Abstract

The interaction between the TNF receptor family member CD27 and its ligand CD70 provides a costimulatory signal for T cell expansion. Normally, tightly regulated expression of CD70 ensures the transient availability of this costimulatory signal. Mice expressing constitutive CD70 on B cells had higher peripheral T cell numbers that showed increased differentiation toward effector-type T cells. B cell numbers in CD70 transgenic (TG) mice progressively decreased in primary and secondary lymphoid organs. This B cell depletion was caused by CD27-induced production of IFNgamma in T cells. We conclude that apart from its role in controlling the size of the activated T cell pool, CD27 ligation contributes to immunity by facilitating effector T cell differentiation.

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