International Journal of Modern Biological Research
ISSN: 2053-180X
Vol. 3(2), pp. 6-10, August 2015
doi.org/10.33500/ijmbr.2015.3.002



ABH secretors status in Osogbo, Southwestern Nigeria

Igbeneghu C.1*, Chebudum S1, Olisekodiaka J. M.2, Alabi T.1, Onuegbu J. A.2, Adesiyan A.1 and Odaibo A. B.3

1Department of Biomedical Sciences, Faculty of Basic Medical Sciences, Ladoke Akintola University of Technology, Ogbomoso, Oyo State, Nigeria.
2Department of Chemical Pathology, Faculty of Medicine, Nnamdi Azikiwe University, Awka, Anambra, State, Nigeria.
3Department of Zoology, University of Ibadan, Oyo State, Nigeria.

*To whom correspondence should be addressed. E-mail: cigbeneghu@lautech.edu.ng.

Received 07 July, 2015; Received in revised form 31 July, 2015; Accepted 03 August, 2015.

Abstract


Keywords:
Secretors, Saliva, Haemagglutination inhibition test.


There are variations in the distribution of secretors and non-secretors in relation to ABO blood group which influence disease susceptibility from one region to another. In Nigeria, there are no reports on the proportion of secretors and non-secretors among the Yoruba people of Southwestern region. This study was carried out to determine the secretor status of the inhabitants of Osogbo, Southwestern Nigeria. Blood and saliva samples were collected from each of the 740 apparently healthy individuals (362 men and 378 women) who participated in this study. ABO blood grouping was done using standard tile and tube methods and secretor status was determined by haemagglutination inhibition test. Of the 740 participants, 578 (78.1%) were secretors and 162 (21.6%) were non-secretors. The frequencies of secretors were 78.7 and 77.5% in male and female participants, respectively (ᵡ2=0.16, p=0.69). ABO blood group distributions among the participants were 52.7% group O, 20.8% group A, 22.0% group B and 4.5% group AB and there were no significant variations between men and women (ᵡ2=0.034, p=0.98). The incidence of secretors was 86.8% in group O, 64.9% in A, 71.8% in B and 66.7% in AB (ᵡ2=36.696, p<0.001). This study shows that secretors are more than non-secretors, secretor status is independent of sex and the ability to secrete ABH substances varies significantly with ABO blood grouping with blood group O secretors being more than non-O secretors.

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