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半乳糖激酶(galactokinase,GK)是催化半乳糖代谢的关键酶。当其活性降低或缺乏时,体内蓄积的半乳糖可被醛糖还原酶(aldose reductase,AR)还原为半乳糖醇(dulcitol),后者蓄积于晶体纤维内,可产生高渗效应而损
Galactokinase (GK) is a key enzyme in the metabolism of galactose. When its activity is reduced or absent, galactose accumulated in the body can be reduced by aldose reductase (AR) to dulcitol, which accumulates in the crystalline fiber and can produce hypertonic effects.