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Updated: Jun 9, 2026

Antigens Protected Functional Red Blood Cells By The Membrane Grafting Of Compact Hyperbranched Polyglycerols

Antigens Protected Functional Red Blood Cells By The Membrane Grafting Of Compact Hyperbranched Polyglycerols

Published on: January 2, 2013

Red blood cell alloimmunization from an African perspective.

Bernard Natukunda¹, Anneke Brand, Henk Schonewille

¹Department of Haematology and Transfusion Medicine, Mbarara University of Science and Technology, Mbarara, Uganda.

Current Opinion in Hematology

|September 10, 2010

Summary

Red blood cell (RBC) alloimmunization affects 1-6% of transfused patients in Uganda and Malawi. Further research is needed to understand RBC alloimmunization in African populations and improve transfusion safety.

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Induction of Alloantigen-specific Anergy in Human Peripheral Blood Mononuclear Cells by Alloantigen Stimulation with Co-stimulatory Signal Blockade

Induction of Alloantigen-specific Anergy in Human Peripheral Blood Mononuclear Cells by Alloantigen Stimulation with Co-stimulatory Signal Blockade

Published on: March 14, 2011

Area of Science:

Hematology
Immunology
Transfusion Medicine

Background:

Red blood cell (RBC) alloimmunization, the development of antibodies against foreign blood group antigens, poses significant risks including hemolytic disease and transfusion reactions.
African populations, with high rates of transfusion needs due to malaria and pregnancy, face a substantial lifetime risk of exposure to multiple transfusions, increasing alloimmunization risk.
Existing data on RBC alloimmunization in African transfusion recipients is limited, highlighting an urgent need for more information.

Purpose of the Study:

To review the current understanding of RBC alloimmunization in African transfusion recipients.
To identify knowledge gaps and inform strategies for preventing transfusion-related complications in this population.

Main Methods:

Review of three cross-sectional studies on RBC alloimmunization conducted in Uganda and Malawi.
Analysis of existing literature on blood group antigen prevalence and alloimmunization rates in African populations.

Main Results:

Prevalence of clinically relevant RBC antibodies in transfused patients ranged from 1% to 6% in the reviewed studies from Uganda and Malawi.
While ABO/D typing is standard, complete crossmatches are not routinely performed in African transfusion settings.

Conclusions:

Limited data suggests a notable prevalence of RBC alloimmunization in African transfusion recipients.
Complete crossmatching for patients with a history of transfusions may be beneficial, despite current data limitations.
Further research on African blood group distribution and specific alloimmunization rates is crucial for developing effective prevention strategies and improving transfusion safety.