Faculty Research 1970 - 1979

The response of recombinant inbred strains of mice to bacterial lipopolysaccharides.

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Antibody-Formation, Crosses-Genetic, Escherichia-Coli: im, Female, Hybridization, Linkage-(Genetics), Lipopolysaccharides, Lymphocyte-Transformation, Male, Mice, Mice-Inbred-C3H, Mice-Inbred-C57BL, Recombination-Genetic, SUPPORT-U-S-GOVT-P-H-S

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J-Immunol. 1977 Jun; 118(6):2088-93.


Fourteen recombinant inbred strains of mice have been produced by the inbreeding of the F2 generation of a cross between C57BL/6J and C3H/HeJ progenitor mice. The responses of these BXH strains to bacterial lipopolysaccharides (LPS) have been characterized. Four BXH strains are high LPS responders and nine strains are low LPS responders. One BXH strain shows intermediate responsiveness which may reflect residual heterozygosity. F1 hybrid mice from low x high responder strains were intermediate in their response to LPS suggesting additive genetic control. The LPS responses in backcross mice from the F1 x low LPS responders showed segregation consistent with LPS responsiveness being determined by a single gene. In 13/14 BXH strains, there was concordant inheritance of LPS responsiveness and the major urinary protein locus Mup-1b. The association of the expression of the Mup-1 alleles with LPS responsiveness in the BXH strains suggests that the defective LPS response gene in C3H/HeJ mice is located on chromosome 4.

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