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Updated: May 26, 2026
11:02
Induction of Invasive Transitional Cell Bladder Carcinoma in Immune Intact Human MUC1 Transgenic Mice: A Model for Immunotherapy Development
Published on: October 30, 2013
Transmembrane mucins as novel therapeutic targets
Pamela E Constantinou1, Brian P Danysh, Neeraja Dharmaraj
1Department of Biochemistry and Cell Biology, Rice University, Houston, TX 77251-1892, USA.
Expert Review of Endocrinology & Metabolism
|December 28, 2011
Summary
Mucins like MUC1, MUC4, and MUC16 protect tissues but are overexpressed in adenocarcinomas, aiding tumor survival. Targeting these mucins offers potential therapeutic strategies for cancer.
Area of Science:
- Biochemistry
- Cell Biology
- Oncology
Background:
- Membrane-tethered mucins (e.g., MUC1, MUC4, MUC16) are vital for epithelial lubrication and defense.
- These mucins protect tissues from pathogens and enzymatic degradation.
Purpose of the Study:
- To investigate the role of mucin glycoproteins in epithelial protection and cancer progression.
- To explore mucin-targeting strategies for cancer therapy.
Main Methods:
- Analysis of mucin expression patterns in healthy epithelia versus adenocarcinomas.
- Review of mechanisms driving mucin overexpression in tumors.
- Examination of current therapeutic approaches targeting mucins.
Main Results:
- Apical mucin restriction is lost in adenocarcinomas, with significantly increased overall expression.
- High mucin levels confer protection to tumors against immune responses, chemotherapy, and apoptosis.
- Elevated serum mucin fragments serve as disease markers.
Conclusions:
- Aberrant mucin expression in cancer promotes tumor survival and resistance.
- Mucin-specific antibodies are being investigated for cancer immunotherapy and nanomedicine.
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