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An acute-phase plasma protein found at 45 mg per 100 ml. ACT functions as a specific inhibitor of chymotrypsin-like serine proteases. Clinically, it is elevated in inflammatory conditions, some malignancies, Crohn's disease, ulcerative colitis, and burn injuries. The PSA-ACT complex level is considered a biomarker for prostate cancer.
一种急性期血浆蛋白,在血浆中的含量为每100毫升45毫克。α1 - 抗胰凝乳蛋白酶(ACT)作为胰凝乳蛋白酶样丝氨酸蛋白酶的特异性抑制剂发挥作用。在临床上,炎症状态、某些恶性肿瘤、克罗恩病、溃疡性结肠炎以及烧伤等情况下,其水平会升高。前列腺特异性抗原 - α1 - 抗胰凝乳蛋白酶(PSA - ACT)复合物水平被视为前列腺癌的生物标志物。