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  • Title: Phenotype frequencies of blood group systems (Rh, Kell, Kidd, Duffy, MNS, P, Lewis, and Lutheran) in blood donors of south Gujarat, India.
    Author: Kahar MA, Patel RD.
    Journal: Asian J Transfus Sci; 2014 Jan; 8(1):51-5. PubMed ID: 24678176.
    Abstract:
    BACKGROUND: This is the first study on phenotype frequencies of various blood group systems in blood donors of south Gujarat, India using conventional tube technique. MATERIAL AND METHODS: A total of 115 "O" blood group donors from three different blood banks of south Gujarat were typed for D, C, c, E, e, K, Jk(a), Le(a), Le(b), P1, M, and N antigens using monoclonal antisera and k, Kp(a), Kp(b), Fy(a),Fy(b), Jk(b), S,s, Lu(a), and Lu(b) antigens were typed using polyclonal antisera employing Indirect Antiglobulin Test. Antigens and phenotype frequencies were expressed as percentages. RESULTS: From the 115 blood donor samples used for extended antigen typing in the Rh system, e antigen was found in 100% donors, followed by D [84.35%], C [81.74%], c [56.32%], and E [21.74%] with DCe/DCe (R1 R1, 40.87%) as the most common phenotype. k was found to be positive in 100% of donors and no K+k- phenotype was found in Kell system. For Kidd and Duffy blood group system, Jk(a+b+) and Fy(a-b-) were the most common phenotypes with frequency of 52.17% and 48.69%, respectively. In the MNS system, 39.13% donors were typed as M+N+, 37.39% as M+N-, and 23.48% as M-N+. S+s+ was found in 24.35% of donors, S+s- in 8.69%, and S-s+ as the commonest amongst donors with 66.96%. No Lu(a+b+) or Lu(a+b-) phenotypes were detected in 115 donors typed for Lutheran antigens. A rare Lu(a-b-) phenotype was found in 2.61% donors. CONCLUSION: Data base for antigen frequency of various blood group systems in local donors help provide antigen negative compatible blood units to patients with multiple antibodies in order to formulate in-house red cells for antibody detection and identification and for preparing donor registry for rare blood groups.
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