The median and maximum lifespan of mice with a nonsense mutation 2211insGTTA in BubR1 is significantly reduced. BubR1(+/GTTA) mice develop several aging-related phenotypes at an accelerated rate, including catarct formation, lordokyphosis, skeletal muscle wasting, impaired exercise ability, and fat loss. Further BubR1(+/GTTA) mice develop mild anaplodies and exhibit enhanced growth of carcinogen-induced tumors [Wijshake et al. 2012].
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