2-Aminoethoxydiphenyl borate (2-APB) is a reliable blocker of store-operated Ca2+ entry but an inconsistent inhibitor of InsP3-induced Ca2+ release

被引:614
作者
Bootman, MD [1 ]
Collins, TJ [1 ]
Mackenzie, L [1 ]
Roderick, HL [1 ]
Berridge, MJ [1 ]
Peppiatt, CM [1 ]
机构
[1] Babraham Inst, Mol Signalling Lab, Cambridge CB2 4AT, England
关键词
D O I
10.1096/fj.02-0037rev
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
Since its introduction to Ca2+ signaling in 1997, 2-aminoethoxydiphenyl borate (2-APB) has been used in many studies to probe for the involvement of inositol 1,4,5-trisphosphate receptors in the generation of Ca2+ signals. Due to reports of some nonspecific actions of 2-APB, and the fact that its principal antagonistic effect is on Ca2+ entry rather than Ca2+ release, this compound may not have the utility first suggested. However, 2-APB has thrown up some interesting results, particularly with respect to store-operated Ca2+ entry in nonexcitable cells. These data indicate that although it must be used with caution, 2-APB can be useful in probing certain aspects of Ca2+ signaling.
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收藏
页码:1145 / 1150
页数:6
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