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from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. Any of the antimicrobial peptides isolated from the skin of a species of frog, the African clawed frog.


-in? (Wiktionary)


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  • 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.

    September 9, 2008