MHC class II deficiency

MHC class II deficiency

Molecular medicine A genetically heterogeneous AR immunodeficiency disease in which MHC II molecules are absent, with altered gene regulation due to defects in several transactivating genes that regulate expression of MHC class II genes. See RFXAP.
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.