Melanophore physiology and adrenergic receptor signaling in zebrafish (Danio rerio).

Authors

Sonakshi Gupta, Dileep Gupta, Mohd Mubashshir, Garima Awasthi, Kumud Kant Awasthi

Published in

Fish physiology and biochemistry. Volume 52. Issue 4. Jun 25, 2026. Epub Jun 25, 2026.

Abstract

Zebrafish (Danio rerio) is used as a model to study adrenergic signaling and pigment cell development because their genetic structure matches human genetics and enables advanced scientific research methods. Researchers use zebrafish to conduct their studies in three different research areas which include cellular signaling studies and toxicology research and pharmacology investigations and translational scientific work. Hormonal processes through alpha-MSH MCH and melatonin interact with each other to regulate pigment distribution. The GPCR-mediated pathways initiate melanosome aggregation and dispersion processes through catecholamine binding which leads to cyclic AMP (cAMP) and calcium (Ca²⁺) pathway activation. The adrenergic signaling system adjusts to different environmental factors and endocrine disruptors which then creates changes to both pigmentation and behavioral patterns. The review examines how adrenergic receptor signaling works in the body and demonstrates its role in controlling melanophore functions. This review underscores the importance of adrenergic signaling in zebrafish as a model system that bridges fundamental cellular biology with translational applications in human health, drug development, and environmental toxicology, offering valuable perspectives for future interdisciplinary research.

PMID:
42348004
Bibliographic data and abstract were imported from PubMed on 25 Jun 2026.

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