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Figure 1 | Journal of Intensive Care

Figure 1

From: Clinical significance of procoagulant microparticles

Figure 1

Mechanisms participating in the regulation of transmembrane migration of phosphatidylserine (PS) in activated platelets, followed by PDMP shedding. Phospholipid asymmetry is under the control of active flippase, while floppase and scramblase remain inactive. Following cellular activation, calcium is released from the endoplasmic reticulum, which can lead to the loss of phospholipid asymmetry and activation of calpain. PC, phosphatidylcholine; SM, sphingomyeline; PEa, phosphatidylethanolamine.

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