Evidence map›Paper›PMID 26112408›Full record

ArticleThe Journal of biological chemistry2015

Lipid-induced Muscle Insulin Resistance Is Mediated by GGPPS via Modulation of the RhoA/Rho Kinase Signaling Pathway.

Weiwei Tao, Jing Wu, Bing-Xian Xie, Yuan-Yuan Zhao, Ning Shen, Shan Jiang, Xiu-Xing Wang, Na Xu, Chen Jiang, Shuai Chen and 3 more

Open access · hybridAbstract read
In one paragraph

Article in The Journal of biological chemistry, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 24 papers.

0numbers the graph read from it
0cells of the map it votes in
24citing papers in PubMed
1.8field-weighted citation impact, top 15% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

24 citing papers in PubMed, 41 citations in OpenAlex.

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  18. Metabolic regulation through the endosomal system.Traffic (Copenhagen, Denmark) · 2019
    Review
  19. Review
  20. HSC-specific knockdown of GGPPS alleviated CClAmerican journal of translational research · 2019
    Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

13 authors at 1 institution in 1 country.

Weiwei TaoFrom the Ministry of Education Key Laboratory of Model Animals for Disease Study, Model Animal Research Center and the School of Medicine, Nanjing University, Nanjing 210061, China.
Jing WuFrom the Ministry of Education Key Laboratory of Model Animals for Disease Study, Model Animal Research Center and the School of Medicine, Nanjing University, Nanjing 210061, China.
Bing-Xian XieFrom the Ministry of Education Key Laboratory of Model Animals for Disease Study, Model Animal Research Center and the School of Medicine, Nanjing University, Nanjing 210061, China.
Yuan-Yuan ZhaoFrom the Ministry of Education Key Laboratory of Model Animals for Disease Study, Model Animal Research Center and the School of Medicine, Nanjing University, Nanjing 210061, China.
Ning ShenFrom the Ministry of Education Key Laboratory of Model Animals for Disease Study, Model Animal Research Center and the School of Medicine, Nanjing University, Nanjing 210061, China.
Shan JiangFrom the Ministry of Education Key Laboratory of Model Animals for Disease Study, Model Animal Research Center and the School of Medicine, Nanjing University, Nanjing 210061, China.
Xiu-Xing WangFrom the Ministry of Education Key Laboratory of Model Animals for Disease Study, Model Animal Research Center and the School of Medicine, Nanjing University, Nanjing 210061, China.
Na XuFrom the Ministry of Education Key Laboratory of Model Animals for Disease Study, Model Animal Research Center and the School of Medicine, Nanjing University, Nanjing 210061, China.
Chen JiangFrom the Ministry of Education Key Laboratory of Model Animals for Disease Study, Model Animal Research Center and the School of Medicine, Nanjing University, Nanjing 210061, China.
Shuai ChenFrom the Ministry of Education Key Laboratory of Model Animals for Disease Study, Model Animal Research Center and the School of Medicine, Nanjing University, Nanjing 210061, China.
Xiang GaoFrom the Ministry of Education Key Laboratory of Model Animals for Disease Study, Model Animal Research Center and the School of Medicine, Nanjing University, Nanjing 210061, China.
Bin XueFrom the Ministry of Education Key Laboratory of Model Animals for Disease Study, Model Animal Research Center and the School of Medicine, Nanjing University, Nanjing 210061, China xuebin@nju.edu.cn.
Chao-Jun LiFrom the Ministry of Education Key Laboratory of Model Animals for Disease Study, Model Animal Research Center and the School of Medicine, Nanjing University, Nanjing 210061, China licj@nju.edu.cn.
Model Animal Research Center · CN

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Elevated circulating free fatty acid levels are important contributors to insulin resistance in the muscle and liver, but the underlying mechanisms require further elucidation. Here, we show that geranylgeranyl diphosphate synthase 1 (GGPPS), which is a branch point enzyme in the mevalonic acid pathway, promotes lipid-induced muscle insulin resistance through activation of the RhoA/Rho kinase signaling pathway. We have found that metabolic perturbation would increase GGPPS expression in the skeletal muscles of db/db mice and high fat diet-fed mice. To address the metabolic effects of GGPPS activity in skeletal muscle, we generated mice with specific GGPPS deletions in their skeletal muscle tissue. Heterozygous knock-out of GGPPS in the skeletal muscle improved systemic insulin sensitivity and glucose homeostasis in mice fed both normal chow and high fat diets. These metabolic alterations were accompanied by activated PI3K/Akt signaling and enhanced glucose uptake in the skeletal muscle. Further investigation showed that the free fatty acid-stimulated GGPPS expression in the skeletal muscle was able to enhance the geranylgeranylation of RhoA, which further induced the inhibitory phosphorylation of IRS-1 (Ser-307) by increasing Rho kinase activity. These results implicate a crucial role of the GGPPS/RhoA/Rho kinase/IRS-1 pathway in skeletal muscle, in which it mediates lipid-induced systemic insulin resistance in obese mice. Therefore, skeletal muscle GGPPS may represent a potential pharmacological target for the prevention and treatment of obesity-related type 2 diabetes.

Indexed as

Insulin ResistanceLipid MetabolismAnimalsDiabetes Mellitus, ExperimentalFarnesyltranstransferaseMiceMultienzyme ComplexesMuscle, SkeletalObesityrhoA GTP-Binding Proteinrho-Associated KinasesFarnesyltranstransferaseGgps1 protein, mouseMultienzyme ComplexesrhoA GTP-Binding Proteinrho-Associated KinasesGGPPSglucose metabolisminsulin resistanceprotein isoprenylationRas homolog gene family, member A (RhoA)skeletal muscle

Identifiers

PMID26112408
PMCPMC4536415
OpenAlexW1901618415

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.