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β-GD广泛存在于动物组织中，是一种参与肿瘤侵袭和转移过程的基质降解酶，具有水解固醇葡萄糖醛酸和酸性粘多糖等生理功能。该酶在肝细胞中含量较高。此外在胃癌组织中含量丰富，测定胃液β-GD活性对于研究胃癌具有重要的意义。 测定原理：β-GD催化苯酚 β-D-葡萄糖醛酸产生游离的酚酞，通过测定苯酚含量反应该酶活性高低。
β-GD is widely distributed in animal tissues and functions as a matrix-degrading enzyme involved in tumor invasion and metastasis. It exhibits physiological activities such as hydrolyzing sterol glucuronides and acid mucopolysaccharides. The enzyme is present in high levels in hepatocytes and is also abundant in gastric cancer tissues. Therefore, measuring β-GD activity in gastric juice holds significant importance for research on gastric cancer. Assay Principle: β-GD catalyzes the hydrolysis of phenol β-D-glucuronide to release free phenolphthalein. The enzyme activity is determined by measuring the amount of phenolphthalein produced.
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