Rehfeld JF, Goetze JP. Gastrointestinal hormones: History, biology, and measurement.
Adv Clin Chem 2024;
118:111-154. [PMID:
38280804 DOI:
10.1016/bs.acc.2023.11.004]
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Abstract
This chapter attempts to provide an all-round picture of a dynamic and major branch of modern endocrinology, i.e. the gastrointestinal endocrinology. The advances during the last half century in our understanding of the dimensions and diversity of gut hormone biology - inside as well as outside the digestive tract - are astounding. Among major milestones are the dual brain-gut relationship, i.e. the comprehensive expression of gastrointestinal hormones as potent transmitters in central and peripheral neurons; the hormonal signaling from the enteroendocrine cells to the brain and other extraintestinal targets; the role of gut hormones as growth and fertility factors; and the new era of gut hormone-derived drugs. Accordingly, gastrointestinal hormones have pathogenetic roles in major metabolic disorders (diabetes mellitus and obesity); in tumor development (common cancers, sarcomas, and neuroendocrine tumors); and in cerebral diseases (anxiety, panic attacks, and probably eating disorders). Such clinical aspects require accurate pathogenetic and diagnostic measurements of gastrointestinal hormones - an obvious responsibility for clinical chemistry/biochemistry. In order to obtain a necessary insight into today's gastrointestinal endocrinology, the chapter will first describe the advances in gastrointestinal endocrinology in a historical context. The history provides a background for the subsequent description of the present biology of gastrointestinal hormones, and its biomedical consequences - not least for clinical chemistry/biochemistry with its specific responsibility for selection of appropriate assays and reliable measurements.
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