Measurement and chromatographic characterization of vasoactive intestinal peptide from guinea-pig enteric nerves

R. Murphy, J. B. Furness, M. Costa

    Research output: Contribution to journalArticle

    7 Citations (Scopus)

    Abstract

    The material exhibiting immunoreactivity for vasoactive intestinal peptide in guinea-pig enteric nerves has been characterized by high-performance liquid chromatography in three modes: reversed-phase, cation-exchange and gel permeation. In each case a major portion of the material contained in acetic acid extracts of guinea-pig gut showed the same chromatographic properties as the synthetic porcine peptide of defined amino acid sequence. It is therefore concluded that this immunoreactive material is authentic vasoactive intestinal peptide. The study illustrates a number of the problems encountered in attempting to characterize, and measure reliably, peptides in tissue extracts.

    Original languageEnglish
    Pages (from-to)41-50
    Number of pages10
    JournalJournal of Chromatography B: Biomedical Sciences and Applications
    Volume336
    Issue number1
    DOIs
    Publication statusPublished - 7 Dec 1984

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