Article
Immunoglobulin GM (γ marker) allotypes and their role in immune response and disease susceptibility.
Journal of immunology (Baltimore, Md. : 1950) - 1 Dec 2025
Pandey Janardan P
Abstract excerpt
Immunoglobulin GM (γ marker) allotypes are encoded by 3 very closely linked and highly homologous immunoglobulin heavy chain G (IGHG) genes-IGHG1, IGHG2, and IGHG3-on chromosome 14q32. They are localized on the constant region of γ1, γ2, and γ3 chains. There are currently 18 serologically testable GM specificities. Linkage disequilibrium in the GM system within a racial/ethnic group is almost absolute and the...
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