In-vitro model for the ultrastructural study of the formation of thrombi in human platelets

Doris Cerecedo, Sirenia González, Mónica Mondragón, Elba Reyes, Ricardo Mondragón

Research output: Contribution to journalArticle

5 Scopus citations


Platelets are cell fragments with dynamic properties involved in clot formation after tissue damage. Platelet activation causes a change in shape, secretion of intracellular granules and aggregation with each other through the cytoskeleton components and biochemical changes. Platelet adhesion, considered as the major event in haemostasis, has been studied in several in-vitro and in-vivo models to evaluate the feasible thrombogenicity of some materials, the dynamics of specific receptors, as well as the effect of different buffers and inhibitors in this process. In spite of the numerous reports about platelet activation, to date there is no information available about the fine structure of the platelet-platelet and platelet-substrate interactions. In the present report we describe an in-vitro system that allows the visualization of these interactions: platelets are adhered to an inert substrate, and interactions with suspended platelets as a process to initiate the formation of thrombi was followed by ultramicrotomy and transmission electron microscopy. © 2006 Lippincott Williams & Wilkins.
Original languageAmerican English
Pages (from-to)161-164
Number of pages144
JournalBlood Coagulation and Fibrinolysis
StatePublished - 1 Mar 2006

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