An optimized protocol to isolate quiescent washed platelets from human whole blood and generate platelet releasate

Luisa Weiss1, Hayley MacLeod1, Shane P Comer1

  • 1UCD Conway SPHERE Research Group, Conway Institute, University College Dublin, Dublin, Ireland; School of Biomolecular and Biomedical Science, University College Dublin, Dublin, Ireland.

STAR Protocols
|April 19, 2023
PubMed

The contents of the platelet releasate (PR) play significant roles in hemostasis, inflammation, and pathologic sequelae. Careful platelet isolation to ensure quiescence and subsequent activation is key to the successful generation of PR. Here, we describe steps to isolate and aggregate quiescent washed platelets from whole blood of a clinical patient cohort. We then detail the generation of PR from isolated human washed platelets under clinical conditions. This protocol allows the investigation of platelet cargoes released through various activation pathways.

Related Concept Videos