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Acid Sphingomyelinase Regulates Platelet Cell Membrane Scrambling, Secretion, and Thrombus Formation
Author(s) -
Patrick Münzer,
Oliver Borst,
Britta Walker,
Evi Schmid,
Marion A.H. Feijge,
Judith M.E.M. Cosemans,
Madhumita Chatterjee,
EvaMaria Schmidt,
Sebastian Schmidt,
Syeda Tasneem Towhid,
Christina Leibrock,
Margitta Elvers,
Martin Schaller,
Peter Seizer,
Klaus Ferlinz,
Andreas E. May,
Erich Gulbins,
Johan W. M. Heemskerk,
Meinrad Gawaz,
Florian Läng
Publication year - 2013
Publication title -
arteriosclerosis thrombosis and vascular biology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 3.007
H-Index - 270
eISSN - 1524-4636
pISSN - 1079-5642
DOI - 10.1161/atvbaha.112.300210
Subject(s) - acid sphingomyelinase , ceramide , platelet , phosphatidylserine , platelet activation , thrombus , sphingomyelin , sphingomyelin phosphodiesterase , chemistry , microbiology and biotechnology , lipid signaling , thrombin , biochemistry , immunology , medicine , apoptosis , biology , cholesterol , receptor , phospholipid , membrane
Platelet activation is essential for primary hemostasis and acute thrombotic vascular occlusions. On activation, platelets release their prothrombotic granules and expose phosphatidylserine, thus fostering thrombin generation and thrombus formation. In other cell types, both degranulation and phosphatidylserine exposure are modified by sphingomyelinase-dependent formation of ceramide. The present study thus explored whether acid sphingomyelinase participates in the regulation of platelet secretion, phosphatidylserine exposure, and thrombus formation.

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