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Mol Immunol. 2002 Jun;38(15):1087-99.

Protein kinase C and AKT/protein kinase B in CD4+ T-lymphocytes: new partners in TCR/CD28 signal integration.

Author information

1
Institute for Medical Biology and Human Genetics, University of Innsbruck, Schoepfstr. 41, A-6020 Innsbruck, Austria.

Abstract

T-cell biological responses appear to involve the complex interaction of T-cell surface receptors, intracellular signaling molecules and the cytoskeleton. Both the serine/threonine protein kinase families protein kinase C (PKC) and protein kinase B or RAC-PK (AKT/PKB) have been implicated in signal transmission leading to activation, differentiation as well as cellular survival of T-lymphocytes. The PKC gene family consists of nine diverse isotypes (PKC alpha, beta, gamma, delta, epsilon, xi, eta, theta; and iota), the AKT/PKB gene family includes three kinases (AKT1/PKB alpha, AKT2/PKB beta, AKT3/PKB gamma). Here, we attempt to summarize the regulation as well as downstream signaling pathways of PKC and AKT/PKB isotypes, that may act additive in TCR/CD28 induced proliferation and survival of peripheral CD4+ T-lymphocytes.

PMID:
12044776
[Indexed for MEDLINE]

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