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Immunol Rev. 2009 May;229(1):145-51. doi: 10.1111/j.1600-065X.2009.00768.x.

Fine tuning the immune response through B7-H3 and B7-H4.

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1
Department of Oncology and the Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins University School of Medicine, Baltimore, MD 21231, USA.

Abstract

B7-H3 and B7-H4 belong to a new class of immune regulatory molecules, which primarily execute their functions in peripheral tissues to fine tune immune responses in target organs. In normal circumstances, while the mRNA for both molecules is broadly distributed, tight control at the post-transcriptional level is imposed. Under a pathogenic environment, such as inflammation and cancer, the control is often aberrant. Upon engaging their receptors, these molecules regulate the immune response in positive or negative ways depending on the expression and type of cells bearing the receptors. Thus, manipulation of the expression of these molecules and/or their receptors may represent a realistic opportunity to fine tune immune responses and to design new immunotherapeutic approaches.

PMID:
19426220
PMCID:
PMC2696224
DOI:
10.1111/j.1600-065X.2009.00768.x
[Indexed for MEDLINE]
Free PMC Article

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