Adiponectin action: a combination of endocrine and autocrine/paracrine effects.
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TLDR
regulation of adiponectin production, its mechanism of action via receptor isoforms and signaling pathways, and its principal physiological effects (i.e., metabolic and cardiovascular) are discussed.Abstract:
The widespread physiological actions of adiponectin have now been well characterized as clinical studies and work in animal models have established strong correlations between circulating adiponectin levels and various disease-related outcomes. Thus, conventional thinking attributes many of adiponectins beneficial effects to endocrine actions of adipose-derived adiponectin. However, it is now clear that several tissues can themselves produce adiponectin and there is growing evidence that locally produced adiponectin can mediate functionally important autocrine or paracrine effects. In this review article we discuss regulation of adiponectin production, its mechanism of action via receptor isoforms and signaling pathways and its principal physiological effects (ie. metabolic and cardiovascular). The role of endocrine actions of adiponectin and changes in local production of adiponectin or its receptors in whole body physiology is discussed.read more
Citations
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The role of adiponectin signaling in metabolic syndrome and cancer
Michael P. Scheid,Gary Sweeney +1 more
TL;DR: This review will focus on cellular mechanisms of adiponectin action, their crosstalk with insulin signaling and the resultant role of adip onectin in cardiovascular disease, diabetes and cancer and reviews data from in vitro cell based studies through animal models to clinical observations.
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Adiponectin increases secretion of rat submandibular gland via adiponectin receptors-mediated AMPK signaling.
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TL;DR: The results suggest that adiponectin functions as a promoter of salivary secretion in rat submandibular glands via activation of AdipoRs, AMPK, and paracellular permeability.
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Could the improvement of obesity-related co-morbidities depend on modified gut hormones secretion?
TL;DR: The individuation of the crosslink among the gut hormones, microbiome, the obesity and the bariatric surgery could lead to new and more specific therapeutic interventions for severe obesity and its co-morbidities, also non surgical.
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Globular adiponectin induces LKB1/AMPK-dependent glucose uptake via actin cytoskeleton remodeling.
TL;DR: It is demonstrated that adiponectin stimulates actin cytoskeleton remodeling, with increased phosphorylation of cofilin, and that blocking of cytoskeletal remodeling with cytochalasin D prevents adip onectin-stimulated AMPK phosphorylations in L6 myoblasts.
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Potential Adiponectin Receptor Response Modifier Therapeutics.
TL;DR: While only a fewer number of maladies could take advantage of adiponectin receptor antagonists, the limited number of these available can be very useful tools in target validation studies and offer relatively limited success compared to direct receptor agonists.
References
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Journal ArticleDOI
Paradoxical decrease of an adipose-specific protein, adiponectin, in obesity.
Yukio Arita,Shinji Kihara,Noriyuki Ouchi,Masahiko Takahashi,Kazuhisa Maeda,Jun-ichiro Miyagawa,Kikuko Hotta,Iichiro Shimomura,Tadashi Nakamura,Koji Miyaoka,Hiroshi Kuriyama,Makoto Nishida,Shizuya Yamashita,Kosaku Okubo,Kenji Matsubara,Masahiro Muraguchi,Yasuichi Ohmoto,Tohru Funahashi,Yuji Matsuzawa +18 more
TL;DR: Plasma concentrations of adiponectin in obese subjects were significantly lower than those in non-obese subjects, although adip onectin is secreted only from adipose tissue.
Journal ArticleDOI
The fat-derived hormone adiponectin reverses insulin resistance associated with both lipoatrophy and obesity
Toshimasa Yamauchi,Junji Kamon,Hironori Waki,Yasuo Terauchi,Naoto Kubota,Kazuo Hara,Y. Mori,Tomohiro Ide,Kouji Murakami,Nobuyo Tsuboyama-Kasaoka,Osamu Ezaki,Y. Akanuma,Oksana Gavrilova,Charles Vinson,Marc L. Reitman,Hiroyuki Kagechika,Koichi Shudo,Madoka Yoda,Yasuko Nakano,Kazuyuki Tobe,R. Nagai,Shigeko Kimura,Motowo Tomita,Philippe Froguel,Takashi Kadowaki +24 more
TL;DR: It is concluded that decreased adiponectin is implicated in the development of insulin resistance in mouse models of both obesity and lipoatrophy and that the replenishment of adiponECTin might provide a novel treatment modality for insulin resistance and type 2 diabetes.
Journal ArticleDOI
Adiponectin stimulates glucose utilization and fatty-acid oxidation by activating AMP-activated protein kinase
Toshimasa Yamauchi,Junji Kamon,Yasuhiko Minokoshi,Yoichi M. Ito,Hironori Waki,S. Uchida,Shigeo Yamashita,Mitsuhiko Noda,Shunbun Kita,K Ueki,Koji Eto,Y. Akanuma,Philippe Froguel,Fabienne Foufelle,Pascal Ferré,David Carling,Shigeko Kimura,Ryozo Nagai,Barbara B. Kahn,Takashi Kadowaki +19 more
TL;DR: It is shown that phosphorylation and activation of the 5′-AMP-activated protein kinase (AMPK) are stimulated with globular and full-length Ad in skeletal muscle and only with full- lengths Ad in the liver, indicating that stimulation of glucose utilization and fatty-acid oxidation by Ad occurs through activation of AMPK.
Journal ArticleDOI
Hypoadiponectinemia in obesity and type 2 diabetes: close association with insulin resistance and hyperinsulinemia.
Christian Weyer,Tohru Funahashi,Sachiyo Tanaka,Kikuko Hotta,Yuji Matsuzawa,Richard E. Pratley,P. Antonio Tataranni +6 more
TL;DR: It is confirmed that obesity and type 2 diabetes are associated with low plasma adiponectin concentrations in different ethnic groups and indicate that the degree of hypoadiponectinemia is more closely related to thedegree of insulin resistance and hyperinsulinemia than to the level of adiposity and glucose intolerance.
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