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Abstract <p>Guanylins are intestinal natriuretic peptides that regulate water and electrolyte balance in the intestine and kidney. Their primary receptor is membrane guanylyl cyclase C (GC-C), while alternative functions related to feeding behavior and olfactory preferences are mediated by guanylyl cyclase D (GC-D) expressed exclusively in olfactory neurons. Evidence suggests existence of unidentified receptors activated by guanylin peptides in the absence of GC-C that affect sodium metabolism. Some of these receptors trigger the cGMP-dependent signaling pathways typical exclusively for guanylyl cyclases. This review provides a comparative analysis of the existing data on different membrane receptor guanylyl cyclases, including early discoveries and contemporary research, focusing on their potential as guanylin targets.</p>

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Membrane Guanylyl Cyclases as Potential Targets for Guanylin Action

  • 期刊论文

  • 发表日期：

    2025年9月1日

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  • Elizaveta D. Snigireva,
  • Olga V. Smirnova

摘要

Abstract

Guanylins are intestinal natriuretic peptides that regulate water and electrolyte balance in the intestine and kidney. Their primary receptor is membrane guanylyl cyclase C (GC-C), while alternative functions related to feeding behavior and olfactory preferences are mediated by guanylyl cyclase D (GC-D) expressed exclusively in olfactory neurons. Evidence suggests existence of unidentified receptors activated by guanylin peptides in the absence of GC-C that affect sodium metabolism. Some of these receptors trigger the cGMP-dependent signaling pathways typical exclusively for guanylyl cyclases. This review provides a comparative analysis of the existing data on different membrane receptor guanylyl cyclases, including early discoveries and contemporary research, focusing on their potential as guanylin targets.