答 : 是的。基因轉殖動物的證據顯示，脂肪組織的重量受到肌肉的支配，即肌肉生長快即可使脂肪重量下降。

參考文獻:

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McPherron AC, Lee SJ. Suppression of body fat accumulation in myostatin-deficient mice. J Clin Invest. (2002) Mar 1; 109(5): 595–601. doi: 10.1172/JCI13562 全文