The Role of p110δ in the Development and Activation of B Lymphocytes.

Abstract:

:The phosphatidylinositol-3-kinase (PI3K) pathway has an essential role in signal transduction, where it is required for a number of different cellular processes including proliferation, differentiation, development, migration and growth. In the immune system, PI3K regulates inflammation by controlling the activation and recruitment of leukocytes. The generation of conditional knockout mice has allowed the study of PI3K isoforms specifically in B and T lymphocytes, and demonstrates the importance of intact signalling in their development and function. PI3K signalling must be tightly regulated in lymphocytes as excessive PI3K can lead to autoimmunity, immunodeficiency or cancer, whilst diminished signalling can result in developmental defects and immunodeficiency. Recent advances in the understanding of PI3K signalling have hastened the application of isoform-specific PI3K inhibitors, which are currently undergoing clinical trials. This review will focus on the p110δ catalytic subunit of the class 1A family of PI3K, and its role in the development and activation of B lymphocytes through various downstream effectors.

journal_name

Adv Exp Med Biol

authors

Newman R,Turner M

doi

10.1007/978-3-319-15774-0_9

subject

Has Abstract

pub_date

2015-01-01 00:00:00

pages

119-35

eissn

0065-2598

issn

2214-8019

journal_volume

850

pub_type

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