Acute autoimmune encephalomyelitis in mice. II. Susceptibility is controlled by the combination of H-2 and histamine sensitization genes.

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Abstract
The expression of acute experimental autoimmune encephalomyelitis (EAE) in mice is controlled by several dominant genes, H-2 and histamine sensitization genes. SJL/J and SWR/J, which are H-2s and H-2q, respectively, are susceptible to EAE and sensitive to Bordetella pertussis histamine-sensitizing factor (HSF), which produces a vasoactive amine hypersensitivity. Other H-2s or H-2q strains such as A.SW,B10.Q, and several others do not develop acute EAE and are not sensitive to B. pertussis HSF. One strain tested, DDD (KsIsD?) is HSF sensitive but does not develop EAE (presumably because it lacks the appropriate responder H-2 haplotype). F1 hybrids beteeen B10.S and DDD are sensitive to HSF and develop EAE. The induction and effector phases of acute EAE are apparently controlled by the combination of H-2 and HSF genes. A combination of the correct H-2 haplotype and histamine sensitivity is required for the development of acute EAE.