Anti-MUC20 Antibody Picoband® Fluoro488 Conjugated

Mucin-20 is a protein that in humans is encoded by the MUC20 gene. This gene encodes a member of the mucin protein family. Mucins are high molecular weight glycoproteins secreted by many epithelial tissues to form an insoluble mucous barrier. The C-terminus of this family member associates with the multifunctional docking site of the MET proto-oncogene and suppresses activation of some downstream MET signaling cascades. The protein features a mucin tandem repeat domain that varies between two and six copies in most individuals. Multiple variants encoding different isoforms have been found for this gene. A related pseudogene, which is also located on chromosome 3, has been identified.

Highly expressed in kidney, moderately in placenta, lung, prostate, liver, and digestive system. In the kidney, localized in the proximal tubules but not in the glomerulus or distal tubules. Detected in most of the male urogenital tract epithelia, with the exception of epididymis.

May regulate MET signaling cascade. Seems to decrease hepatocyte growth factor (HGF) -induced transient MAPK activation. Blocks GRB2 recruitment to MET thus suppressing the GRB2-RAS pathway. Inhibits HGF-induced proliferation of MMP1 and MMP9 expression.

1. Entrez Gene: MUC20 mucin 20, cell surface associated. 2. Higuchi T, Orita T, Nakanishi S, Katsuya K, Watanabe H, Yamasaki Y, Waga I, Nanayama T, Yamamoto Y, Munger W, Sun HW, Falk RJ, Jennette JC, Alcorta DA, Li H, Yamamoto T, Saito Y, Nakamura M (Jan 2004) . Molecular cloning, genomic structure, and expression analysis of MUC20, a novel mucin protein, up-regulated in injured kidney. J Biol Chem. 279 (3) : 1968–79.