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Adiponectin is an endogenous antifibrotic mediator and therapeutic target [Elektronski vir]Marangoni, Roberta G. ...Skin fibrosis in systemic sclerosis (SSc) is accompanied by attrition of dermal white adipose tissue (dWAT) and reduced levels of circulating adiponectin. Since adiponectin has potent regulatory ... effects on fibroblasts, we sought to assess adiponectin signaling in SSc skin biopsies, and evaluate fibrosis in mice with adiponectin gain- and loss-of-function mutations. Furthermore, we investigated the effects and mechanism of action of agonist peptides targeting adiponectin receptors in vitro and in vivo . We found that adiponectin pathway activity was significantly reduced in a subset of SSc skin biopsies. Mice lacking adiponectin mounted an exaggerated dermal fibrotic response, while transgenic mice with constitutively elevated adiponectin showed selective dWAT expansion and protection from skin and peritoneal fibrosis. Adiponectin receptor agonists abrogated ex vivo fibrotic responses in explanted normal and SSc fibroblasts and in 3D human skin equivalents, in part by attenuating focal adhesion complex assembly, and prevented and reversed experimentally-induced organ fibrosis in mice. These results implicate aberrant adiponectin pathway activity in skin fibrosis, identifying a novel function for this pleiotropic adipokine in regulation of tissue remodeling. Restoring adiponectin signaling in SSc patients therefore might represent an innovative pharmacological strategy for intractable organ fibrosis.Source: Scientific reports [Elektronski vir]. - ISSN 2045-2322 (Vol. 7, Jun. 2017, str. 1-12)Type of material - e-article ; adult, seriousPublish date - 2017Language - englishCOBISS.SI-ID - 33376729
Author
Marangoni, Roberta G. |
Masui, Yuri |
Fang, Feng |
Korman, Benjamin |
Lord, Gabriel |
Lee, Junghwa |
Lakota, Katja |
Wei, Jun |
Scherer, Philipp E. |
Otvos, Laszlo
Topics
skin fibrosis |
adiponectin |
systemic sclerosis |
fibroza kože |
adiponectin |
sistemska skleroza
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Database name | Field | Year |
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Links to authors' personal bibliographies | Links to information on researchers in the SICRIS system |
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Marangoni, Roberta G. | ![]() |
Masui, Yuri | ![]() |
Fang, Feng | ![]() |
Korman, Benjamin | ![]() |
Lord, Gabriel | ![]() |
Lee, Junghwa | ![]() |
Lakota, Katja | 28845 |
Wei, Jun | ![]() |
Scherer, Philipp E. | ![]() |
Otvos, Laszlo | ![]() |
Source: Personal bibliographies
and: SICRIS
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