Health / Medical Topics

    Vancomycin

    Pronunciation

    Definition 1

    An antibiotic drug used to fight resistant bacterial infections. (NCI Dictionary)

    Definition 2

    A branched tricyclic glycosylated peptide with bactericidal activity against most organisms and bacteriostatic effect on enterococci. At a site different from that of penicillins and cephalosporins, vancomycin binds tightly to the D-alanyl-D-alanine portion of cell wall precursors, thereby interfering with bacterial cell wall synthesis. This leads to activation of bacterial autolysins that destroy the cell wall by lysis. Vancomycin may also alter the permeability of bacterial cytoplasmic membranes and may selectively inhibit RNA synthesis. (NCI Thesaurus)




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