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INFLUENCE OF CHARACTER OF ANTIBODY UPON VELOCITY OF FLOCCULATION.
1Evans Memorial, Massachusetts Memorial Hospitals, and Boston University School of Medicine, Boston.
The Journal of Experimental Medicine
|October 30, 2009
Summary
This study examined antibody-antigen flocculation rates in 20 antisera. Differences in antibody properties explain why some antisera show optimal reactions under constant antibody (alpha) and constant antigen (beta) conditions, while others only do under alpha conditions.
Area of Science:
- Immunology
- Biochemistry
Background:
- Flocculation reactions are crucial in immunology for detecting antigen-antibody interactions.
- Understanding the optimal conditions for these reactions is key to accurate serological testing.
Purpose of the Study:
- To investigate the flocculation rates of 20 antisera with their antigens.
- To analyze the relationship between alpha (constant antibody) and beta (constant antigen) optima.
- To classify antisera based on their reaction patterns and relate these to antibody properties.
Main Methods:
- Studied flocculation rates of 20 antisera and their corresponding antigens.
- Varied proportions of antibody and antigen to determine reaction optima.
- Classified antisera into types based on optimal reaction conditions.
Main Results:
- Identified two main types of antisera: 'H' type, optimal under both alpha and beta conditions, and 'R' type, optimal only under alpha conditions.
- Observed differences in flocculation optima among the 20 antisera studied.
- Correlated these differences with the physical and chemical properties of the antibodies.
Conclusions:
- Antisera can be classified into distinct types based on their flocculation reaction patterns.
- The observed differences in reaction optima are attributable to variations in antibody physicochemical properties.
- This classification aids in understanding and optimizing antigen-antibody assays.
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