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Wiktionary
- n. Any of the antimicrobial peptides isolated from the skin of a species of frog, the African clawed frog.
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- -in? (Wiktionary)
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mollusque A small peptide antibiotic first found in Xenopus; it protects skin against invading bacteria. Derived from Hebrew מגן "shield".
Unfortunately, magainins weren't approved by the FDA, because they were not more effective than existing antibiotics. Sep 8, 2008