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Effect of platelet CD42a modification by mPEG-SPA with different molecular masses / 南方医科大学学报
Journal of Southern Medical University ; (12): 392-393, 2007.
Article in Chinese | WPRIM | ID: wpr-268124
ABSTRACT
<p><b>OBJECTIVE</b>To observe the effect platelet antigen modification by mPEG-SPA with different molecular masses.</p><p><b>METHODS</b>Platelet CD42a was modified by 5 kD and 20 kD mPEG-SPA, respectively, and the fluorescence intensity of CD42a was detect by flow cytometry and the three-dimensional structure of CD42a simulated to analyze the distribution of lysine in CD42a molecule.</p><p><b>RESULTS</b>After platelet CD42a modification by 5 kD and 20 kD mPEG-SPA, the fluorescence intensity of CD42a decreased sharply by 85.54% and 88.65%, respectively, and multiple lysine regions were identified on the surface of CD42a molecule.</p><p><b>CONCLUSION</b>Both 5 kD and 20 kD mPEG-SPA allow useful modification of platelet CD42a, but 20 kD mPEG-SPA is more advantageous than 5 kD mPEG-SPA.</p>
Subject(s)
Full text: Available Index: WPRIM (Western Pacific) Main subject: Polyethylene Glycols / Succinimides / Blood Platelets / Chemistry / Platelet Glycoprotein GPIb-IX Complex / Molecular Weight Limits: Humans Language: Chinese Journal: Journal of Southern Medical University Year: 2007 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Main subject: Polyethylene Glycols / Succinimides / Blood Platelets / Chemistry / Platelet Glycoprotein GPIb-IX Complex / Molecular Weight Limits: Humans Language: Chinese Journal: Journal of Southern Medical University Year: 2007 Type: Article