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α-1抗胰糜蛋白酶/SERPINA3抗体
品名:
α-1抗胰糜蛋白酶/SERPINA3抗体
货号:
hj-1124A
英文:
Anti-Alpha-1-Antichymotrypsin
英文缩写:
Alpha-1-Antichymotrypsin

产品介绍background:
Alpha 1-Antichymotrypsin, a member of the serine proteinase inhibitor (serpin) family, inhibits neutrophil proteinase cathepsin G and mast cell chymases, and protects the lower respiratory tract from damage by proteolytic enzymes. It contains a reactive centre loop, which interacts with cognate proteinases, resulting in loop cleavage and a major conformational change. Recently, alpha 1-antichymotrypsin has been identified as a major constituent of the neurofibrillary plaques associated with Alzheimers disease, and in vitro studies have shown that it enhances the rate of amyloid-fibril formation. These observations and recent genetic evidence suggest that alpha 1-antichymotrypsin is important in the pathogenesis of Alzheimers disease.

Function:
Although its physiological function is unclear, it can inhibit neutrophil cathepsin G and mast cell chymase, both of which can convert angiotensin-1 to the active angiotensin-2.

Subunit:
Interacts with DNAJC1.

Subcellular Location:
Secreted.

Tissue Specificity:
Plasma. Synthesized in the liver. Like the related alpha-1-antitrypsin, its concentration increases in the acute phase of inflammation or infection. Found in the amyloid plaques from the hippocampus of Alzheimer disease brains.

Similarity:
Belongs to the serpin family.