Pro-Gastrin-Releasing Peptide (Pro-GRP) is a precursor molecule to gastrin-releasing peptide (GRP), a neuropeptide involved in various physiological processes, including the regulation of gastrointestinal functions and neuroendocrine signaling. GRP is released from nerve endings in the gut and plays a role in stimulating gastric acid secretion, promoting gut motility, and influencing the release of other gastrointestinal hormones.
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