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ORIGINAL ARTICLE
Year : 2019  |  Volume : 4  |  Issue : 1  |  Page : 21-27

Comparative analysis of platelet storage lesion in whole-blood-derived platelets stored in autologous plasma versus platelets stored in platelet additive solution using flow cytometric assay of CD62 and Annexin V


Department of Pathology, Sri Devaraj Urs Medical College, Kolar, Karnataka, India

Correspondence Address:
Dr. Subhashish Das
Department of Pathology, Sri Devaraj Urs Medical College, Kolar, Karnataka
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/GJTM.GJTM_24_19

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Background: Platelets storage lesions remain a challenge in regular blood transfusion services. Flow cytometric study based on the expression of platelets activation markers in the stored platelets is a good method to study such lesions. Materials and Methods: Buffy-coat-derived platelet concentrates were stored under standard conditions for 7 days. The expression of activation antigens CD62p and Annexin V on total platelets and populations of small, medium-sized and large platelets was analyzed by flow cytometry during storage on days 0, 5 and 7. Results: There was significant difference in Annexin V expression between PAS and non- PAS group on Day 0, Day 5 and Day 7. The same observation was noted with regard to CD62 estimations. Conclusion: Our study confirm the beneficial effects of platelet additive solution as highlighted by the flow cytometric assay of CD62 and Annexin V. Evaluation of the level of expression of various activation markers on different platelet populations could be an additional valid tool in quality control of platelet concentrates, and could be a novel approach towards better platelet inventory management.


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