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Proteomics to Unravel Platelet-Related Diseases and Identify Novel Anti-Platelet Drugs

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Blood platelets play a fundamental role in primary haemostasis and wound repair, but are also involved in several thrombotic and bleeding disorders for which the underlying mechanisms are still largely unknown. Elucidating platelet biology would help in finding novel disease biomarkers and drug targets in complex and/or genetically unknown platelet-related disorders. Proteomics, which allows studying thousands of gene products at once, represents an efficient tool to quali-quantitatively analyze and compare the platelet protein patterns of different samples (i.e. control/patient, treated/untreated, drug sensitive/resistant), to investigate post-translation modifications, protein-protein interactions and the underlying molecular pathways. This review gives an overview of the applications of proteomic strategies to study platelet biology and function, as well as to unravel differences in protein expression according to specific platelet conditions (i.e. basic versus activated), compartments (i.e. membrane or granules) and fractions (i.e. phosphoproteins and glycoproteins). The use of innovative powerful proteomic technologies can lead to the identification of proteins whose expression is altered in pathological conditions, allowing the identification of candidate biomarkers for: i) understanding the molecular defects underlying platelet disorders, ii) obtaining novel insights in more complex diseases that involve platelets, iii) unraveling the drug mode of action or identifying the mechanisms of drug resistance and iv) detecting novel therapeutic antiplatelet targets based on fundamental platelet research studies. Several studies on how proteomics proved to be useful in our understanding of platelet function and its diseases are discussed. Eventually, this could result in the discovery of novel drug targets for antiplatelet therapy.
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Keywords: Biomarkers; diagnosis; drug; gel-based techniques; mass spectrometry; molecular mechanisms; platelet disorders; platelets; proteomics; therapeutic target

Document Type: Research Article

Publication date: 2012-09-01

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  • Current Medicinal Chemistry covers all the latest and outstanding developments in medicinal chemistry and rational drug design. Each issue contains a series of timely in-depth reviews written by leaders in the field covering a range of the current topics in medicinal chemistry. Current Medicinal Chemistry is an essential journal for every medicinal chemist who wishes to be kept informed and up-to-date with the latest and most important developments.
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