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    • 7. 发明授权
    • ACC2-knockout mice and uses thereof
    • ACC2敲除小鼠及其用途
    • US06548738B2
    • 2003-04-15
    • US09749109
    • 2000-12-26
    • Salih J. WakilMartin M. MatzukLutfi Abu-Elheiga
    • Salih J. WakilMartin M. MatzukLutfi Abu-Elheiga
    • A01K67027
    • G01N33/5061A01K67/0275A01K2217/05A01K2227/105A01K2267/0362C12N9/93C12N15/8509G01N33/5008G01N33/502G01N33/5067G01N33/5088
    • The present invention discloses transgenic mice with inactivating mutations in the endogenous gene for the acetyl-CoA carboxylase-2 isoform of acetyl-CoA carboxylase. Inactivation of acetyl-CoA carboxylase-2 results in mice exhibiting a phenotype of reduced malonyl-CoA levels in skeletal muscle and heart, unrestricted fat oxidation, and reduced fat accumulation in the liver and fat storage cells. As a result, the mice consume more food but accumulate less fat and remain leaner than wild type mice fed the same diet. These results demonstrate that inhibition of ACC2 acetyl-CoA carboxylase could be used to regulate fat oxidation and accumulation for purposes of weight control. The transgenic mice of the instant invention provide a useful animal model to identify such inhibitors and for studying the mechanisms of fat metabolism and weight control.
    • 本发明公开了乙酰辅酶A羧化酶的乙酰辅酶A羧化酶-2同种型的内源基因中具有失活突变的转基因小鼠。 乙酰辅酶A羧化酶-2的失活导致在骨骼肌和心脏中表现出降低的丙二酰辅酶A水平的表型的小鼠,不受限制的脂肪氧化以及在肝脏和脂肪储存细胞中减少的脂肪蓄积。 结果,小鼠消耗更多的食物,但是积累较少的脂肪,并且保持比通过相同饮食的野生型小鼠更瘦。 这些结果表明,ACC2乙酰辅酶A羧化酶的抑制可用于调节脂肪氧化和积累,用于体重控制。 本发明的转基因小鼠提供了一种有用的动物模型来鉴定这些抑制剂并用于研究脂肪代谢和体重控制的机制。