Melanoma-associated antigen F1 (MAGEF1)

Melanoma-associated antigen F1 (MAGEF1) is a member of the MAGE protein family, defined by the conserved MAGE homology domain. MAGEF1 acts as a substrate adapter and enhancer for E3 ubiquitin ligase complexes, particularly promoting proteasomal degradation of key regulatory proteins such as MMS19, with downstream impacts on DNA repair and genome stability. Aberrant expression of MAGEF1 is associated with several cancers, most notably melanoma, making it a key cancer/testis antigen and a candidate target for immunotherapy and novel anticancer agents. MAGEF1 is evolutionarily conserved, and its biological roles are being elucidated in the context of ubiquitin-mediated proteostasis and DNA repair regulation.

Other names

MAGE family member F1Melanoma-associated antigen F1MAGEF1MAGE-F1MAGE-F1 antigenMelanoma antigen family F, 1Melanoma antigen family F1

When targeted, mechanisms would likely involve: Small molecules or biological agents blocking substrate binding or disrupting interaction with E3 ligases, thereby altering ubiquitination and proteasomal degradation of specific targets. Immunotherapy approaches aimed at eliciting immune responses against MAGEF1-expressing tumor cells.