Frequency of ABO, Rh-D and Kidd Blood Group System Phenotypes in Nuba Sudanese Ethnic group

Abstract

Objectives: The objective of the study is to measure the frequencies of ABO, Rh- D & Kidd phenotypes among the Nuba ethnic group. .A descriptive cross sectional study was conducted during the period from 1st April to 30th June2007. Method: A total of 100 unrelated persons from this tribe were investigated by direct agglutination technique for ABO & Rh-D & grouping and gel immunodifusion technique for Jka and Jkb antigens phenotyping. Results: The study revealed that the highest frequent blood group phenotype in the study population in the is ABO system, group O (54%) followed by group A (29%), group B (14%) and lastly AB (3%). On the other hand, Jka antigens found in 89% of individuals of the study population while Jkb was 59% was detected on this ethnic group. Conclusion: Kidd blood group system antigens (Jka and Jkb) phenotyping is essential in blood transfusion purposes. Therefore, it is recommended to perform for all Nuba tribe donors & recipients.