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  • Title: Anti-asialo GM1 antibody suppression of cyclophosphamide-induced diabetes in NOD mice.
    Author: Maruyama T, Watanabe K, Takei I, Kasuga A, Shimada A, Yanagawa T, Kasatani T, Suzuki Y, Kataoka K, Saruta.
    Journal: Diabetes Res; 1991 May; 17(1):37-41. PubMed ID: 1823558.
    Abstract:
    To elucidate the role of natural killer (NK) cells in the pathogenesis of diabetes in the non-obese diabetic (NOD) mouse, we examined whether or not cyclophosphamide-induced diabetes occurs in NOD mice intraperitoneally (i.p.) injected with anti-asialo GM1 antibody. Two weeks after a single intraperitoneal injection of cyclophosphamide, none of the 24 NOD mice which had previously been treated with antiasialo GM1 antibody, 2-3 times per week for either 2 or 3 weeks, had developed indications of diabetes such as glycosuria or a high plasma glucose level. On the other hand, signs of diabetes were found in 10 of 24 control NOD mice injected with normal rabbit Ig instead of anti-asialo GM1 antibody (p less than 0.01). The NK cell activities of spleen cells from anti-asialo GM1 antibody-treated mice were significantly lower than those of control mice (p less than 0.01). Flowcytometry analysis demonstrated that anti-asialo GM1 antibody-positive cells had disappeared from the spleens of anti-asialo GM1 antibody-injected mice but no suppression of CD8+ and CD4+ cells could be demonstrated. These observations suggest that NK cells are involved in the development of diabetes in NOD mice.
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