Cited by 169Connexins and lens biologyPancreatic function and diabetesIon Transport and Channel Regulation

Connexins: Key Mediators of Endocrine Function

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Bosco, Domenico, Haefliger, Jacques-Antoine, Meda, Paolo·2011·Physiological Reviews

Abstract

The appearance of multicellular organisms imposed the development of several mechanisms for cell-to-cell communication, whereby different types of cells coordinate their function. Some of these mechanisms depend on the intercellular diffusion of signal molecules in the extracellular spaces, whereas others require cell-to-cell contact. Among the latter mechanisms, those provided by the proteins of the connexin family are widespread in most tissues. Connexin signaling is achieved via direct exchanges of cytosolic molecules between adjacent cells at gap junctions, for cell-to-cell coupling, and possibly also involves the formation of membrane “hemi-channels,” for the extracellular release of cytosolic signals, direct interactions between connexins and other cell proteins, and coordinated influence on the expression of multiple genes. Connexin signaling appears to be an obligatory attribute of all multicellular exocrine and endocrine glands. Specifically, the experimental evidence we review here points to a direct participation of the Cx36 isoform in the function of the insulin-producing β-cells of the endocrine pancreas, and of the Cx40 isoform in the function of the renin-producing juxtaglomerular epithelioid cells of the kidney cortex.

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Crossref · 10.1152/physrev.00027.2010

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  • At 1 mM glucose, MFQ stimulates somatostatin secretion and inhibits glucagon secretion without affecting insulin secretion or β-cell KATP channel activity, and CBX also stimulates somatostatin secretion less potently.

    “When applied at 1 mM glucose, MFQ (1 µM) stimulated somatostatin secretion and inhibited glucagon secretion (Fig. 2h,i) without affecting insulin secretion and β-cell KATP channel activity (Extended Data Fig. 6a–c)”

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Authors
Bosco, D., Haefliger, J.-A., & Meda, P.
Affiliations
University of Geneva (CH)
Corresponding author
Meda, Paolo
Venue
Physiological Reviews
Published
2011-10
Volume
91
Issue
4
Pages
1393-1445
ISSN
  • 0031-9333 (ISSN-L)
  • 1522-1210
OpenAlex
W2127982470
Cited by
169
References
581
Citations by year
2026: 3 · 2025: 5 · 2024: 8 · 2023: 6 · 2022: 10 · 2021: 20 · 2020: 13 · 2019: 11 · 2018: 7 · 2017: 10 · 2016: 8 · 2015: 14 · 2014: 18 · 2013: 20 · 2012: 14
FWCI
1.57
Type
journal article
Language
en
Open access
Licence
other-oa
Locations
  • Physiological Reviews (publishedVersion)
  • PubMed (publishedVersion)
  • Archive ouverte UNIGE (University of Geneva) (publishedVersion, other-oa)
  • IRIS (submittedVersion)
  • SERVAL (Université de Lausanne) (submittedVersion)
  • Archive ouverte UNIGE (University of Geneva) (submittedVersion, cc-by)
Funders
  • National Science Foundation
  • European Commission
  • Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Connexins and lens biology
  • Health Sciences › Medicine › Surgery › Pancreatic function and diabetes
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Ion Transport and Channel Regulation
Keywords
connexins, gap junctions, hemichannels, cell-to-cell communication, endocrine glands, Cx36, connexin 40, pancreatic beta cells, insulin secretion, juxtaglomerular cells, renin secretion, exocrine glands, intercellular communication
MeSH terms
Gap Junction alpha-5 Protein, Gap Junction delta-2 Protein, Animals, Cell Communication, Endocrine System, Humans, Juxtaglomerular Apparatus, Connexins, Insulin-Secreting Cells

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