Definition / meaning of 131-I-MIP-1145

An iodine 131-radiolabeled small-molecule benzamide compound with potential antineoplastic activity. The benzamide moiety of 131-I-MIP-1145 binds to melanin, selectively delivering a cyotoxic dose of gamma and beta radiation to melanin-expressing tumor cells. Melanin pigments, polymer derivatives of the amino acid tyrosine, are over-expressed in approximately 40% of melanomas.

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The Web site of the National Cancer Institute (http://www.cancer.gov/)

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