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. 1987 Jun;248(3):595-8.
doi: 10.1007/BF00216488.

Gastrin/CCK-like immunoreactivity in the corpus cardiacum-corpus allatum complex of the cockroach Leucophaea maderae

G N Hansen, B L Hansen, B Scharrer

Gastrin/CCK-like immunoreactivity in the corpus cardiacum-corpus allatum complex of the cockroach Leucophaea maderae

G N Hansen et al. Cell Tissue Res. 1987 Jun.

Abstract

By use of immunocytochemistry, a gastrin/CCK-like material has been demonstrated in the corpus cardiacum-corpus allatum complex of the cockroach Leucophaea maderae. Reactivity toward gastrin and CCK with region-specific antisera suggests that the gastrin/CCK-like peptide of this insect contains the COOH-terminal tetrapeptide sequence which is common to gastrin and CCK, and that the material is more gastrin-like than CCK-like. The results indicate that, like other neuropeptides, the gastrin/CCK peptide family appeared early in evolution within neuronal elements, and that the COOH-terminal region of gastrin has been conserved during phylogeny.

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