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Mucin-1 C-terminal Subunit

Molecular classification
Mucin, Transmembrane protein, Glycoprotein
01

Overview

Mucin-1 (MUC1) is a heterodimeric transmembrane glycoprotein. The C-terminal subunit (MUC1-C) remains membrane-bound after autoproteolytic cleavage and plays a role in signal transduction. It interacts with receptor tyrosine kinases and other signaling molecules, promoting cell growth and survival. MUC1-C is frequently overexpressed or aberrantly localized in carcinomas and is a target for therapeutic antibodies.

Other names
MUC1-CBeta subunitOncogenic transmembrane componentEMA (Epithelial Membrane Antigen)
02

Mechanism of action

Targeting MUC1-C with antibodies to inhibit its oncogenic signaling and promote tumor cell death.

03

Biological functions

Signal transductionCell growthCell survivalBarrier function
04

Disease associations

Cancer
05

Safety considerations

Potential for off-target effects due to MUC1 expression in normal tissues.Tumor-specific delivery strategies needed to minimize toxicity.
06

Biomarkers

MUC1-C overexpression in tumors

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