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The role of diuretic hormones (DHs) and their receptors in Drosophila

초록/요약

Maintaining internal homeostasis and regulating innate behaviors are essential for animal survival. In various animal species, a highly conserved neuroendocrine system integrates sensory in-puts and regulates physiological responses to environmental and internal changes. Diuretic hormones 44 and 31, which are homo-logs of mammalian corticotropin-releasing factor (CRF) and cal-citonin gene-related peptide (CGRP), respectively, control body fluid secretion in Drosophila. These neuropeptides and their re-ceptors have multiple physiological roles, including the regula-tion of body-fluid secretion, sleep:wake cycle, internal nutrient -sensing, and CO2-dependent response. This review discusses the physiological and behavioral roles of DH44 and DH31 signaling pathways, consisting of neuroendocrine cells that secrete DH44 or DH31 peptides and their receptor-expressing organs. Further research is needed to understand the regulatory mechanisms of the behavioral processes mediated by these neuro-endocrine systems. [BMB Reports 2023; 56(4): 209-215]

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