MAGE Xp-2: a member of the MAGE gene family isolated from an expression library using systemic lupus erythematosus sera

Molecular Genetics and Metabolism
D K McCurdyR A Gatti

Abstract

Two regions of the genome contain members of the MAGE gene family; Xq27-qter and Xp21.3. We isolated a transcript, MAGE Xp-2, by screening a cDNA library from the human epithelial carcinoma cell line, HEp-2, using autoantibodies from patients with systemic lupus erythematosus (SLE). The open reading frame (ORF) of MAGE Xp-2 is entirely contained in exon 4, a signature feature of the MAGE gene family. While MAGE Xp-2 shares genomic homology with MAGE Xp-1, the predicted proteins are quite divergent. Specific primers were designed to reliably distinguish between MAGE Xp-1 and MAGE Xp-2 expression. MAGE Xp-2 is expressed in testis, but not in other normal tissues. It is also expressed strongly in two of seven melanoma cell lines and one of four breast carcinomas. MAGE gene expression may be important not only for tumor recognition and cancer therapy, but, because it is the apparent target of autoantibodies in SLE sera, it may also play a role in autoimmune diseases.

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Citations

Nov 13, 2008·The Journal of Rheumatology·Alice D C HoftmanDeborah K McCurdy
Nov 23, 2006·Proceedings of the National Academy of Sciences of the United States of America·Raphael B ParmigianiAnamaria A Camargo
Apr 28, 2010·Expert Opinion on Biological Therapy·Morten Frier GjerstorffHenrik Jorn Ditzel
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Mar 17, 2017·Journal of Molecular Biology·Anna K Lee, Patrick Ryan Potts
Jan 24, 2017·Immunologic Research·Yahel SegalYehuda Shoenfeld
Apr 11, 2017·Current Opinion in Rheumatology·Yahel SegalYehuda Shoenfeld
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