Regulation of costimulation in the era of butyrophilins

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• 作者：Heather A. Arnett ; Sabine S. Escobar ; Joanne L. Viney
• 关键词：B7 ; Butyrophilin ; Costimulation ; BTNL2
• 刊名：Cytokine
• 出版年：2009
• 出版时间：June 2009
• 年：2009
• 卷：46
• 期：3
• 页码：370-375
• 全文大小：281 K

文摘

The butyrophilin and butyrophilin-like superfamily of molecules has garnered attention in the immunology world in the past few years as a result of the observation that the butyrophilin-like 2 molecule, BTNL2, can alter T cell responsiveness. Additional interest in this superfamily solidified following the discovery that genetic polymorphisms in BTNL2 are associated with predisposition to many human diseases. In this review, we will provide an overview of the members comprising the butyrophilin superfamily of molecules. We will then discuss BTNL2 immunomodulatory function, and BTNL2 structural associations with other costimulatory molecules. We will then draw your attention to some of the lesser-known butyrophilin superfamily members by describing the expression patterns of these molecules in human tissues and cells. And we will finish by hypothesizing on the potential influence on general immune homeostasis that might be mediated by this, thus-far little-studied, family of molecules.