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Activation of Platelet Function Through G Protein–Coupled Receptors
Abstract
Because of their ability to become rapidly activated at places of vascular injury, platelets are important players in primary hemostasis as well as in arterial thrombosis. In addition, they are also involved in chronic pathological processes including the atherosclerotic remodeling of the vascular system. Although primary adhesion of platelets to the vessel wall is largely independent of G protein–mediated signaling, the subsequent recruitment of additional platelets into a growing platelet thrombus requires mediators such as ADP, thromboxane A 2 , or thrombin, which act through G protein–coupled receptors. Platelet activation via G protein–coupled receptors involves 3 major G protein–mediated signaling pathways that are initiated by the activation of the G proteins G q , G 13 , and G i . This review summarizes recent progress in understanding the mechanisms underlying platelet activation and thrombus extension via G protein–mediated signaling pathways.
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“Adrenergic receptors are crucially involved in heart disease147 and platelet function148.”
From Gut microbiota and cardiovascular disease. (2020) · cites this paper as [148]
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Metadata
- Authors
- Offermanns, S.
- Affiliations
- Heidelberg University (DE)
- Corresponding author
- Offermanns, Stefan
- ORCID
- Offermanns, Stefan
- Venue
- Circulation Research
- Published
- 2006-12-08
- Volume
- 99
- Issue
- 12
- Pages
- 1293-1304
- ISSN
- 0009-7330 (ISSN-L)
- 1524-4571
- OpenAlex
- W2161488081
- Cited by
- 725
- References
- 168
- Citations by year
- 2026: 32 · 2025: 33 · 2024: 37 · 2023: 30 · 2022: 52 · 2021: 42 · 2020: 37 · 2019: 38 · 2018: 23 · 2017: 53 · 2016: 34 · 2015: 45 · 2014: 33 · 2013: 46 · 2012: 29
- FWCI
- 3.23
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Circulation Research (publishedVersion)
- PubMed (publishedVersion)
- Circulation Research
- Topics
- Health Sciences › Medicine › Hematology › Platelet Disorders and Treatments
- Health Sciences › Medicine › Hematology › Blood Coagulation and Thrombosis Mechanisms
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Receptor Mechanisms and Signaling
- Keywords
- platelet activation, G protein-coupled receptors, G protein signaling, Gq, G13, Gi, thrombus extension, primary hemostasis, arterial thrombosis, atherosclerosis, thromboxane A2, thrombin, ADP, platelet adhesion
- MeSH terms
- Animals, Blood Platelets, Humans, Thrombosis, Platelet Activation, Receptors, G-Protein-Coupled
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