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2015 ; 43
(3
): 495-501
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Emerging concepts regarding pannexin 1 in the vasculature
#MMPMID26009197
Good ME
; Begandt D
; DeLalio LJ
; Keller AS
; Billaud M
; Isakson BE
Biochem Soc Trans
2015[Jun]; 43
(3
): 495-501
PMID26009197
show ga
Pannexin channels are newly discovered ATP release channels expressed throughout
the body. Pannexin 1 (Panx1) channels have become of great interest as they
appear to participate in a multitude of signalling cascades, including regulation
of vascular function. Although numerous Panx1 pharmacological inhibitors have
been discovered, these inhibitors are not specific for Panx1 and have additional
effects on other proteins. Therefore, molecular tools, such as RNA interference
and knockout animals, are needed to demonstrate the role of pannexins in various
cellular functions. This review focuses on the known roles of Panx1 related to
purinergic signalling in the vasculature focusing on post-translational
modifications and channel gating mechanisms that may participate in the regulated
release of ATP.