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  • Title: Genetic control of responses to bacterial lipopolysaccharides in mice. II. A gene that influences a membrane component involved in the activation of bone marrow-derived lymphocytes by lipipolysaccharides.
    Author: Watson J, Riblet R.
    Journal: J Immunol; 1975 May; 114(5):1462-8. PubMed ID: 123543.
    Abstract:
    C3H/HeJ mice contain a defect in a single autosomal locus which is not linked to the H-2 histocompatibility or the heavy chain allotype loci that restrict immune, mitogenic, and polyclonal responses to bacterial lipopolysaccharides (LPS). Adult thymectomized C3H/HeJ mice that have been irradiated and reconstituted with C3HeB/FeJ bone marrow cells respond well to LPS. Cell-mixing experiments using C3H/HEJ-C3HeB/FeJ spleen cultures show that the failure of C3H/HeJ spleen cells to support responses to LPS is not due to nonspecific or LPS-induced suppressive events, or the lack of accessory cell types. C3H/HeJ and C3HeB/FeJ spleen cells bind LPS and respond to other B cell mitogens equally well. We suggest that the B lymphocytes of C3H/HeJ mice have a defect in a membrane component that is activated via interaction with LPS, and initiates the intracellular events that lead to cell proliferation.
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