Immunochemical evidence for a gastrin-like peptide in insect neuroendocrine system

K. J. Kramer, R. D. Speirs, C. N. Childs

    Research output: Contribution to journalArticlepeer-review

    Abstract

    Evidence demonstrating that the neuroendocrine system (brain, corpus cardiacum, and corpus allatum) of the tobacco hornworm, Manduca sexta (L.), contains a peptide that is gastrin-like in its antigenicity, size, and susceptibility to degradative enzymes is presented. No immunoreactive gastrin was found in gut extracts from four species of insects. These results suggest the existence of a peptide in insect nervous tissue having structural similarities to vertebrate gastrin.
    Original languageEnglish
    Pages (from-to)423-426
    Number of pages3
    JournalGeneral and comparative endocrinology
    Volume32
    Issue number4
    Publication statusPublished - 1977

    Keywords

    • analysis: Beetles
    • analysis: Diptera
    • analysis: Gastrins
    • analysis: Houseflies
    • Humans
    • analysis: Insects
    • Larva
    • analysis: Moths
    • analysis: Neurosecretory Systems
    • analysis: Peptides
    • Radioimmunoassay
    • Species Specificity

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