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Peptides. 1993 May-Jun;14(3):629-32.

Microbial cell-wall contaminants in peptides: a potential source of physiological artifacts.

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Office of Naval Research, Arlington, VA 22217-5660.


Microbial cell-wall products (MCWP) such as endotoxins are easily introduced into peptides produced under standard laboratory conditions. Because these products stimulate the induction of cytokines and other mediators, which, in turn, trigger a broad range of physiological responses. MCWP in peptide preparations are potential sources of artifacts. This brief tutorial outlines the physical/chemical nature of MCWP, some of their sources, their physiological effects, and a simple method to control for them in some peptide preparations.

[Indexed for MEDLINE]

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