But Marc Hamilton, Ph.D., one of Katzmarkzyk's colleagues, suspects it has to do with an enzyme called lipoprotein lipase (LPL), which breaks down fat in the bloodstream and turns it into energy.
Insulin may also cause your body to produce more of an enzyme called lipoprotein lipase, which increases the uptake of fat into cells, leading to weight gain.
胰岛素也可能导致你的身体产生更多的脂蛋白脂肪酶，它能增加细胞里脂肪的吸收，从而增重。
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Hormone sensitive lipase (HSL) is a key enzyme in fat metabolism.