| ORIGINAL ARTICLE |
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| Year : 2014 | Volume
: 8
| Issue : 1 | Page : 51-55 |
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Phenotype frequencies of blood group systems (Rh, Kell, Kidd, Duffy, MNS, P, Lewis, and Lutheran) in blood donors of south Gujarat, India
Manoj A Kahar, Rajnikant D Patel
Department of Pathology, Government Medical College, Surat, Gujarat, India
Correspondence Address:
Manoj A Kahar
Department of Pathology, Government Medical College, Surat, Gujarat
India
 Source of Support: None, Conflict of Interest: None  | Check |
DOI: 10.4103/0973-6247.126693
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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 , P 1 , 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 (R 1 R 1 , 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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