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  • Title: Bone disorder in cardiomyopathic hamsters.
    Author: Togari A, Arai M, Matsumoto S, Tarumoto Y, Takahashi H.
    Journal: Bone Miner; 1989 Sep; 7(2):127-36. PubMed ID: 2529935.
    Abstract:
    Bones of cardiomyopathic hamsters (UM-X7.1 Syrian hamsters), at 5, 10 and 20 weeks of age, were compared chemically and histomorphologically with those of normal Syrian hamsters. Femurs of UM-X7.1 hamsters were significantly shorter than those of normal hamsters, and the mean dry weight, mean volume, mean ash weight per unit bone volume and mean ash as a percentage of dry weight of femurs were all significantly less in UM-X7.1 hamsters. The bone disorder preceded the myocardial calcium precipitation and myocardial hypertrophy in the cardiomyopathic hamsters. In addition, the percentage of cortical area measured on the cross-section of tibia and the appositional rate of bone minerals, determined by a tetracycline labelling technique, were also lower in the UM-X7.1 hamsters. These findings suggest that the bone disorder was associated with decreased bone formation in the UM-X7.1 Syrian hamsters.
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