Author(s): Kauth T, Metz J
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Abstract We report the use of poly- and monoclonal antibodies to study the immunohistochemical distribution of glucagon-like peptide-1 immunoreactivity (GLP-1-IR) in various tissues. The polyclonal antibodies against GLP-1 reacted with pancreatic A cells, enteroglucagon (L) cells in the gut, and some neurons in the central nervous system of all species tested. In pancreas and gut the monoclonal antibodies against GLP-1 exhibited a similar, but species specific distribution, relative to the polyclonal antibodies. The colocalization of GLP-1 and glucagon immunoreactivity in pancreatic, intestinal, and nervous tissues is in agreement with previously reported findings that both peptides are part of a single precursor molecule (preproglucagon).
This article was published in Histochemistry
and referenced in Journal of Diabetes & Metabolism