Mind the gap: connexins and pannexins in platelet function
| Autor: | Kirk a Taylor, Gemma Little, Jonathan M. Gibbins |
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| Jazyk: | angličtina |
| Rok vydání: | 2021 |
| Předmět: | |
| Zdroj: | Platelets, Vol 32, Iss 7, Pp 888-894 (2021) |
| Druh dokumentu: | article |
| ISSN: | 0953-7104 1369-1635 09537104 |
| DOI: | 10.1080/09537104.2021.1902971 |
| Popis: | Connexins are a family of gap junction forming proteins widely expressed by mammalian cells. They assemble into hexameric hemichannels, which can either function independently or dock with opposing hemichannels on apposite cells, forming a gap junction. Pannexins are structurally related to the connexins but extensive glycosylation of these channels prevents docking to form gap junctions and they function as membrane channels. Platelets express pannexin-1 and several connexin family members (Cx37, Cx40 and Cx62). These channels are permeable to molecules up to 1,000 Daltons in molecular mass and functional studies demonstrate their role in non-vesicular ATP release. Channel activation is regulated by (patho)physiological stimuli, such as mechanical stimulation, making them attractive potential drug targets for the management of arterial thrombosis. This review explores the structure and function of platelet pannexin-1 and connexins, the mechanisms by which they are gated and their therapeutic potential. |
| Databáze: | Directory of Open Access Journals |
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