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Melanoma-associated antigen 12

Molecular classification: Cancer/testis antigen, Melanoma-associated antigen

Overview

Melanoma-associated antigen 12 (MAGEA12) is a cancer/testis antigen encoded by the MAGEA12 gene. Its expression is normally restricted to germ cells in the testis but is aberrantly activated in various cancers. MAGEA12 functions as an oncogene, promoting cell proliferation, migration, invasion, and tumorigenicity, in part by repressing tumor suppressor genes like p21. It represents a potential biomarker and immunotherapeutic target in several malignancies.

Other names: MAGEA12CT1.12MAGE12MAGE family member A12

Mechanism of action

Repression of tumor suppressor genes (e.g., p21)

Biological functions

Cell proliferationTranscriptional regulationTumorigenesis

Disease associations

CancerMelanomaHead and neck squamous cell carcinomaLung carcinomaBreast carcinomaCutaneous squamous cell carcinomaProstate cancerColorectal cancerGastric cancer

Safety considerations

Potential for off-target effects due to sequence similarity with other MAGE family membersExpression in testis may lead to reproductive toxicity with certain therapies

Interacting drugs

Erlotinib

1 more in the full profile.

Biomarkers

MAGEA12 expression level (prognostic in cSCC)p21 expression (inverse correlation with MAGEA12 in cSCC)MAGEA12 expression level (predictor for EGFR TKI response in head and neck cancer)

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