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. 2022 Apr;101(4):290-297.
doi: 10.1002/cyto.a.24531. Epub 2022 Jan 7.

Comprehensive phenotyping of human platelets by single-cell cytometry

Benjamin E J Spurgeon  1 , Andrew L Frelinger 3rd  1
Affiliations
Free article

Comprehensive phenotyping of human platelets by single-cell cytometry

Benjamin E J Spurgeon et al. Cytometry A. 2022 Apr.
Free article

Abstract

Platelets are small anucleate blood cells that contribute to hemostasis, immunity, and inflammation. Circulating platelets are heterogeneous in size, age, receptor expression, and reactivity. They inherit many features from megakaryocytes and are further modified on exposure to bioactive substances in the bloodstream. Among these substances, prothrombotic agonists, vasodilators, and bloodborne pathogens modulate platelet phenotypes via distinct signaling cascades. The ability of platelets to respond to (patho)physiologic signals is incompletely understood but likely depends on their repertoire of surface receptors, which may partition them into discrete subsets with specialized functions and divergent abilities. The single-cell resolution of flow and mass cytometry is ideal for immunophenotyping and allows the identification of platelet subsets in remarkable detail. In this report, we describe the surface markers and gating strategies needed for the comprehensive characterization of platelets.

Keywords: antibodies; biomarkers; blood platelets; flow cytometry; immunophenotyping; platelet activation; platelet function tests.

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References

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