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对老年性白内障、外伤性白内障病人血清及尿中β_2m水平进行了测定,发现老年性白内障病人血清β_2m较外伤性白内障及正常对照组增高(P<0.01),外伤性白内障病人与正常对照组相比无显著性差异(P>0.05)。老年性白内障病人尿中β_2m含量与正常对照组及外伤性白内障组差异无显著性,提示老年性白内障血清β_2m升高不是晶体变性及肾脏功能损害所致。
The levels of β_2m in serum and urine of senile cataract and traumatic cataract were measured. It was found that β_2m of senile cataract patients was higher than that of traumatic cataract and normal control group (P <0.01). Traumatic cataract patients had no significant difference with normal control group No significant difference (P> 0.05). There was no significant difference in the urinary β_2m content of senile cataract patients between the control group and traumatic cataract group, suggesting that elevated β_2m of senile cataract is not caused by the degeneration of crystals and renal dysfunction.