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Annals of clinical and laboratory science

Evaluation of Plasma Platelet Microparticles in Thrombotic Thrombocytopenic Purpura.


PMID 28249919

Abstract

Platelet microparticles (PMPs) have a procoagulant activity about 50-100 times greater than active platelets due to high expression of negatively charged phospholipids on their surfaces. In this study, we evaluated microparticle immunophenotyping and also plasma PMPs level in patients with Thrombotic Thrombocytopenic Purpura (TTP) in Southern Iran. We had two study groups: 15 TTP patients and 15 healthy control group and PMPs from platelet concentrate (PC) at the 5 Our results showed that the majority of microparticles in TTP patients and normal individuals were PMPs and also demonstrated that the plasma PMPs level in TTP patients was higher than the normal control group ( It seems that elevated PMPs level in TTP patients could be related to thrombotic events. Nevertheless, more studies are needed to confirm these results.