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M20 reacts with glandular epithelial cells (endocrine and exocrine) as well as mesothelial cells and epithelia of the digestive, respiratory and urogenital tract. Also most adenocarcinomas derived from these cells are positive. The M20 epitope has been mapped to amino acids 353-367 on the alpha helical rod domain of Cytokeratin 8 (see reference 10).
The antibody may be stored at 4°C. For prolonged storage prepare appropriate aliquots and store at or below -20°C. Prior to use, an aliquot is thawed slowly in the dark at ambient temperature, spun down again and used to prepare working dilutions by adding sterile phosphate buffered saline (PBS, pH 7.2). Repeated thawing and freezing should be avoided. Working dilutions should be stored at 4°C, not refrozen, and preferably used the same day. If a slight precipitation occurs upon storage, this should be removed by centrifugation. It will not affect the performance or the concentration of the product.
Cytokeratin 8 is a member of the type II keratin family clustered on the long arm of chromosome 12. Type I and type II keratins heteropolymerize to form intermediate-sized filaments in the cytoplasm of epithelial cells. Cutokeratin 8 typically dimerizes with keratin 18 to form an intermediate filament in simple single-layered epithelial cells. This protein plays a role in maintaining cellular structural integrity and also functions in signal transduction and cellular differentiation. Mutations in this gene cause cryptogenic cirrhosis.
仅用于科研。不用于诊断过程。未经明确授权不得转售。
蛋白别名: CK-8; Cytokeratin endo A; Cytokeratin-8; K8; keratin 8, type II; keratin complex 2, basic, gene 8; Keratin, type II cytoskeletal 8; Keratin-8; Type-II keratin Kb8
基因别名: CARD2; CK-8; CK8; CYK8; CYKER; K2C8; K8; KO; Krt2-8; KRT8
UniProt ID: (Human) P05787, (Rat) Q10758
Entrez Gene ID: (Rabbit) 100348891, (Human) 3856, (Rat) 25626