Korean J Blood Transfus.
1998 Jun;9(1):45-49.
Chemical modification of RBC surface antigen with glutaraldehyde crosslinking
- Affiliations
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- 1Department of Clinical Pathology, College of Medicine, Korea University, Seoul, Korea.
- 2Department of Biological Science, Korea Advanced Institutes of Science and Technology, Dae Jeon, Korea.
Abstract
- BACKGROUND
The chemical modification of RBC surface antigen has many advantages for safe transfusion practice. We evaluated the change of antibody reactivity to RBC surface antigen before and after glutaraldehyde crosslinking.
MATERIALS AND METHODS
The 10 mL of blood were collected from 20 volunteers and were treated by 2-3% glutaraldehyde at 4degrees C. After 30 minute incubation, Agglutinability of various RBC surface antigen (ABO, Rh-C, c, D, E, e) was measured by titration using anti-sera (Green Cross, Korea, Dade, USA), and compared the agglutinability changes before and after glutaraldehyde crosslinking. RESLUTS: The agglutinability of Rh surface antigens (D, C, c, E, e) was disappeared after glutaraldehyde crosslinking. However, ABO antigens (n=20) still showed strong agglutinability against antisera with some decreased.
CONCLUSIONS
It would be useful to apply glutaraldehyde crossliked RBCs for rare blood group transfusion practice, if the safety problem were solved.
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