Article (Scientific journals)
P2X1-mediated ERK2 activation amplifies the collagen-induced platelet secretion by enhancing myosin light chain kinase activation.
Oury, Cécile; Toth-Zsamboki, Emese; Cornelissen, Heidi et al.
2003In Journal of Biological Chemistry
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Keywords :
platelet degranulation; signaling; purinergic receptors
Abstract :
[en] This study shows that, at low doses of collagen, glycoprotein VI activation leads to early protein kinase C- and MLC kinase-dependent platelet degranulation. Rapidly released ATP triggers P2X1 -mediated Ca2+ influx, activating ERK2, in turn amplifying platelet secretion by reinforcing the early MLC kinase phosphorylation. Hence, the P2X1-ERK2-MLC axis contributes to collagen-induced platelet activation by enhancing platelet degranulation.
Disciplines :
Biochemistry, biophysics & molecular biology
Author, co-author :
Oury, Cécile  ;  Université de Liège - ULiège > Département des sciences biomédicales et précliniques > GIGA-R : Génétique humaine
Toth-Zsamboki, Emese;  Katholieke Universiteit Leuven - KUL > Molecular and Cellular Medicine > CMVB
Cornelissen, Heidi;  Katholieke Universiteit Leuven - KUL > Molecular and Cellular Medicine > CMVB
De Vos, Rita;  Katholieke Universiteit Leuven - KUL > Molecular and Cellular Medicine > Morphology and Molecular Pathology
Vermylen, Jos;  Katholieke Universiteit Leuven - KUL > Molecular and Cellular Medicine > CMVB
Hoylaerts, Marc F;  Katholieke Universiteit Leuven - KUL > Molecular and Cellular Medicine > CMVB
Language :
English
Title :
P2X1-mediated ERK2 activation amplifies the collagen-induced platelet secretion by enhancing myosin light chain kinase activation.
Publication date :
2003
Journal title :
Journal of Biological Chemistry
ISSN :
0021-9258
eISSN :
1083-351X
Publisher :
American Society for Biochemistry and Molecular Biology, Baltimore, United States - Maryland
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 23 September 2009

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