2018
DOI: 10.2337/db18-283-lb
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Growth Differentiation Factor-15 (GDF-15) Inhibits Gastric Emptying in Rodents as Part of Its Anorectic Mechanism of Action

Abstract: GDF-15 is a secreted circulating polypeptide that regulates systemic energy balance. GDF-15 agonists may have therapeutic potential as anorectic agents in obesity and type 2 diabetes. The receptor for GDF-15, Gfral, is expressed on specific neurons in the area postrema (AP) of the hindbrain, and is necessary for the effect of GDF-15 on food intake. Given the role of the AP in vagal control of gastric motility, we sought to investigate the potential effects of GDF-15 on gastric emptying. Food intake reduction b… Show more

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Cited by 3 publications
(4 citation statements)
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“…Recombinant GDF15 or extended half-life GDF15 molecules have been administered in multiple models of obesity in mice, rats, and monkeys [ 24 , 25 , 28 , 56 , 84 , 85 ]. In all the preclinical models studied, administration of various GDF15 molecules consistently resulted in decreased food intake and body weight.…”
Section: Gdf15 For Treating Obesitymentioning
confidence: 99%
“…Recombinant GDF15 or extended half-life GDF15 molecules have been administered in multiple models of obesity in mice, rats, and monkeys [ 24 , 25 , 28 , 56 , 84 , 85 ]. In all the preclinical models studied, administration of various GDF15 molecules consistently resulted in decreased food intake and body weight.…”
Section: Gdf15 For Treating Obesitymentioning
confidence: 99%
“…GDF15 signals via a heterodimeric receptor, GDNF-family receptor α-like (GFRAL)-RET, localized specifically in the brainstem (14)(15)(16)(17). To date, reports of the central actions of GDF15 in mammals have largely focused on regulation of food intake anorexia, weight loss (18)(19)(20), emesis (21), pica (22), delayed gastric emptying (23,24), and conditioned aversion (25). Recent data indicate that GDF15 administration also reduces physical activity in mice (26).…”
mentioning
confidence: 99%
“…Especially, GDF15, which is also induced by the UPR 38 and expressed in high levels by adipose tissue macrophages, 39 has been the focus of recent investigations for its capacity to regulate body weight. Via signaling through GFRAL (GDNF [glial-derived neurotrophic factor] receptor alpha-like) receptor-expressing neurons in the hindbrain GDF15 reduces gastric emptying, 40 induces taste aversion, 41 and reduces food intake, [40][41][42] which could explain the altered feeding pattern we observe upon ONX-0914 treatment. Furthermore, GDF15 was reported to enhance lipolysis and thermogenesis without a significant reduction in food intake through activation of the sympathetic nervous system, 39 which could also have contributed to ONX-0914mediated reduction in body weight.…”
Section: Discussionmentioning
confidence: 92%
“…To find an explanation for the observed metabolic phenotype, we consulted literature for an ER stress–inducible cytokine with weight-lowering effects. As GDF15 (growth differentiation factor 15) fits this description and is produced by adipose tissue macrophages (among other cell types) and has also immunoinhibitory effects, 38–44 we assessed the GDF15 levels in the atherosclerosis initiation study (female LDLr −/− fed a WTD and treated for 7 weeks), preexisting adipose tissue study (male LDLr −/− mice on a WTD for 11 weeks and treated the last 7 weeks), and short-term treatment study (male LDLr −/− on a WTD for 5 weeks, treated for 1 day or 1 week). ONX-0914 treatment upregulated blood plasma GDF15 concentrations in all of these studies (Figure S16A through S16C).…”
Section: Resultsmentioning
confidence: 99%