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Please use this identifier to cite or link to this item: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/37405

Title: Chitosan enhances platelet adhesion and aggregation
Authors: Tz-Chong Choua;Earl Fub;Chang-Jer Wuc;eng-Hsien Yeh
Contributors: 國立臺灣海洋大學:食品科學系
Keywords: Chitosan;Platelet adhesion;Aggregation;Intracellular calcium level;Glycoprotein IIb/IIIa
Date: 2003-03
Issue Date: 2016-02-22T02:24:46Z
Publisher: Biochemical and Biophysical Research Communications
Abstract: Abstract:In this study, chitosan (MW=50,000) was tested for its enhancing platelet activity in rabbit platelet suspensions and the possible mechanisms involved were further investigated. Our results showed that after initial (5 min) and long-term (30 min) contact of platelets with chitosan, the platelet adhesion to chitosan-coated microtiter plates was dose-dependently increased compared to that of solvent control. Similarly, chitosan also dose-dependently increased the platelet aggregation and the intracellular free Ca2+ rise of Fura-2-AM loaded platelets. Additionally, in the presence of FITC-labeled anti-CD41/CD61, chitosan significantly enhanced the expression of platelet glycoprotein IIb/IIIa complex assayed by a flow cytometer. It is concluded that chitosan is an effective inducer for platelet adhesion and aggregation and the mechanisms of action of chitosan may be associated, at least partly, with the increasing [Ca2+]i mobilization and enhancing expression of GPIIb/IIIa complex on platelet membrane surfaces.
Relation: 3(302)
URI: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/37405
Appears in Collections:[食品科學系] 期刊論文

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