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酸性磷酸酶(acid phosphatase，ACP)分布极广泛，遍布各种组织，主要存在于细胞的溶酶体内，所以常作为溶酶体标志酶。溶酶体外的酸性磷酸酶存在于内质网和胞质内，各种动物中的酸性磷酸酶各有不同，酸性磷酸酶的适宜pH为4.5-5.5。酸性磷酸酶是一个蛋白家族，哺乳动物中其分子量从18kD到100kD不等，该酶分为两类，一类为酒石酸盐敏感型，一类为氟离子敏感型。溶酶体中的酸性磷酸酶为酒石酸盐敏感型，而红细胞和巨噬细胞中的酸性磷酸酶为氟离子敏感型。 该试剂盒检测原理是以磷酸苯二钠为底物，在酸性磷酸酶(ACP)作用下被水解生成酚和无机磷。在碱性条件下，酚能与4-AAP反应，产物经氧化生成红色醌类化合物，红色越多说明酸性磷酸酶活性越高，反之则酶活性越低，通过酶标仪测定510nm处吸光度，可以计算出样品酸性磷酸酶的活性。该试剂盒主要用于检测血清中前列腺酸性磷酸酶活性，亦可用于检测细胞或组织的裂解液或匀浆液、血浆、血清、尿液等样品中内源性的酸性磷酸酶活性。该产品仅用于科研领域，不宜用于临床诊断或其他用途。
Acid Phosphatase (ACP) is widely distributed throughout various tissues and is primarily located in cellular lysosomes, making it a common lysosomal marker enzyme. Extralysosomal acid phosphatase exists in the endoplasmic reticulum and cytoplasm. Acid phosphatases vary among different animals, and their optimal pH range is 4.5-5.5. Acid phosphatase is a protein family, with molecular weights ranging from 18 kDa to 100 kDa in mammals. The enzyme is classified into two types: one is tartrate-sensitive, and the other is fluoride-sensitive. Acid phosphatase in lysosomes is tartrate-sensitive, while acid phosphatase in red blood cells and macrophages is fluoride-sensitive. The detection principle of this kit is as follows: Using disodium phenyl phosphate as a substrate, it is hydrolyzed by acid phosphatase (ACP) to generate phenol and inorganic phosphorus. Under alkaline conditions, phenol reacts with 4-AAP, and the product is oxidized to form a red quinone compound. The intensity of the red color is positively correlated with acid phosphatase activity; higher activity results in a deeper red color, while lower activity results in a lighter color. By measuring the absorbance at 510 nm using a microplate reader, the acid phosphatase activity in the sample can be calculated. This kit is primarily used for detecting prostatic acid phosphatase activity in serum, and is also suitable for measuring endogenous acid phosphatase activity in samples such as cell or tissue lysates or homogenates, plasma, serum, and urine. This product is for research use only and is not intended for use in diagnostic procedures.
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