Abstract
Human platelets prelabeled with [3H]inositol were exposed to thrombin. The aqueous soluble inositol phosphates were separated by anion exchange column chromatography, paper chromatography or high‐performance liquid chromatography, and identified by cochromatography with authentic standard substances. Thrombin immediately induces the rapid formation of inositol 1,4‐bisphosphate and inositol 1,4,5‐trisphosphate. Accumulation of inositol‐1‐monophosphate and inositol‐2‐monophosphate occurs later after a time lag of 10 sec. The results indicate that the phospholipase C induced polyphosphoinositide hydrolysis rather than the phosphatidylinositol hydrolysis is the triggering event for platelet activation, and support the concept of inositol 1,4,5‐trisphosphate as putative second messenger.
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Dates
Type | When |
---|---|
Created | 23 years, 1 month ago (July 25, 2002, 3:58 a.m.) |
Deposited | 1 year, 11 months ago (Sept. 16, 2023, 2:09 a.m.) |
Indexed | 1 year, 10 months ago (Oct. 20, 2023, 6:42 p.m.) |
Issued | 40 years, 7 months ago (Jan. 21, 1985) |
Published | 40 years, 7 months ago (Jan. 21, 1985) |
Published Online | 23 years, 9 months ago (Nov. 2, 2001) |
Published Print | 40 years, 7 months ago (Jan. 21, 1985) |
@article{Siess_1985, title={Thrombin induces the rapid formation of inositol bisphosphate and inositol trisphosphate in human platelets}, volume={180}, ISSN={1873-3468}, url={http://dx.doi.org/10.1016/0014-5793(85)80241-6}, DOI={10.1016/0014-5793(85)80241-6}, number={1}, journal={FEBS Letters}, publisher={Wiley}, author={Siess, Wolfgang and Binder, Helge}, year={1985}, month=jan, pages={107–112} }