Abstract:
:The human MAGE-3 gene encodes a melanoma antigenic epitope recognized by specific cytotoxic T lymphocytes, but its gene product has not been identified thus far. We produced a recombinant MAGE-3 gene product by expression cloning of the entire reading frame in the context of a fusion protein characterized by a 10-histidine tail, allowing purification by metal chelation on a nickel Sepharose column. The semipurified product was used to generate MAGE-3-specific monoclonal antibodies. One reagent could identify by immunoblotting the native MAGE-3 gene product as a M(r) 48,000 protein in lysates of cell lines showing evidence of MAGE-3 gene expression. No apparent cross-reactivity with recombinant or native MAGE-1 gene product was observed. Immunohistochemistry shows that, closely resembling the MAGE-1 gene product, MAGE-3 is a cytoplasmic protein.
journal_name
Cancer Resjournal_title
Cancer researchauthors
Kocher T,Schultz-Thater E,Gudat F,Schaefer C,Casorati G,Juretic A,Willimann T,Harder F,Heberer M,Spagnoli GCsubject
Has Abstractpub_date
1995-06-01 00:00:00pages
2236-9issue
11eissn
0008-5472issn
1538-7445journal_volume
55pub_type
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