OBJECTIVE ABO blood group and secretor status is valuable in relation to some diseases in clinical and forensic medicine. Across the globe there are geographic and racial differences in the frequency of secretors and non-secretors. Aim of this study was to evaluate the status of ABH blood group secretors and non-secretors in Karachi (Pakistan). METHODS Blood and saliva samples were randomly c...

The ABO blood group is the most important blood group system in transfusion medicine and organ transplantation. To date, more than 160 ABO alleles have been identified by molecular investigation. Almost all ABO genotyping studies have been performed in blood donors and families and for investigation of ABO subgroups detected serologically. The aim of the present study was to perform ABO genotyp...

Disha Arora*, Ankit Kaushik, D.S. Rawat, A K Mandal Department of Pathology, Vardhaman Mahavir Medical College and Safdarjung Hospital, New Delhi, India Background: ABO blood group shows marked geographical and racial variation. The study of regional ABO phenotype is extremely important for understanding the regional demand of rare blood groups and to tide over the massive demands in case of na...

The ABO blood group was discovered in 1900 by Austrian scientist, Karl Landsteiner. At present, the International Society of Blood Transfusion (ISBT) approves as 29 human blood group systems. The ABO blood group system consists of four antigens (A, B, O and AB). These antigens are known as oligosaccharide antigens, and widely expressed on the membranes of red cell and tissue cells as well as, i...

Blood group systems are determined early in intrauterine life, specific to the individual and therefore significant in management and identification. Seven hundred and ninety five volunteer students of the Abraka campus of Delta State University were analyzed in this 4-year retrospective study. Amongst ABO system, blood group O was most common followed by A, B and AB respectively. Rhesus positi...