Evidence map›Paper›PMID 26512026›Full record

ArticleDiabetes2016

Skeletal Muscle Phospholipid Metabolism Regulates Insulin Sensitivity and Contractile Function.

Katsuhiko Funai, Irfan J Lodhi, Larry D Spears, Li Yin, Haowei Song, Samuel Klein, Clay F Semenkovich

Open access · bronzeAbstract read
In one paragraph

Article in Diabetes, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 84 papers.

0numbers the graph read from it
0cells of the map it votes in
84citing papers in PubMed
3.9field-weighted citation impact, top 6% 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

84 citing papers in PubMed, 133 citations in OpenAlex.

  1. Trial
  2. Trial
  3. Review
  4. Article
  5. Article
  6. Article
  7. Article
  8. Article
  9. Review
  10. Article
  11. Article
  12. Article
  13. Review
  14. Article
  15. Article
  16. Article
  17. Article
  18. Review
  19. Article
  20. Article

24 more citing papers are in PubMed but not listed here.

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

7 authors at 2 institutions in 1 country.

Katsuhiko FunaiDivision of Endocrinology, Metabolism and Lipid Research, Washington University in St. Louis School of Medicine, St. Louis, MO Departments of Kinesiology and Physiology, East Carolina University, Greenville, NC.
Irfan J LodhiDivision of Endocrinology, Metabolism and Lipid Research, Washington University in St. Louis School of Medicine, St. Louis, MO.
Larry D SpearsDivision of Endocrinology, Metabolism and Lipid Research, Washington University in St. Louis School of Medicine, St. Louis, MO.
Li YinDivision of Endocrinology, Metabolism and Lipid Research, Washington University in St. Louis School of Medicine, St. Louis, MO.
Haowei SongDivision of Endocrinology, Metabolism and Lipid Research, Washington University in St. Louis School of Medicine, St. Louis, MO.
Samuel KleinDivision of Geriatrics and Nutritional Science, Washington University in St. Louis School of Medicine, St. Louis, MO.
Clay F SemenkovichDivision of Endocrinology, Metabolism and Lipid Research, Washington University in St. Louis School of Medicine, St. Louis, MO Department of Cell Biology and Physiology, Washington University in St. Louis School of Medicine, St. Louis, MO csemenko@dom.wustl.edu.
Washington University in St. Louis · USEast Carolina University · US

Funding

Washington University Nutrition Obesity Research CenterP30DK056341 · NIDDK · WASHINGTON UNIVERSITY · PI Brian N Finck · 1999 to 2026
$30.2M
WU P&FP30DK020579 · NIDDK · WASHINGTON UNIVERSITY · PI Irfan J Lodhi · 2013 to 2026
$27.1M
TRANSGENICS COREP60DK020579 · NIDDK · WASHINGTON UNIVERSITY · PI SCHAFFER, JEAN E. · 1986 to 2012
$25.2M
DE NOVO LIPOGENESIS AND METABOLIC DISEASER01DK076729 · NIDDK · WASHINGTON UNIVERSITY · PI SEMENKOVICH, CLAY F. · 2007 to 2015
$2.5M
MODULATING PHYSIOLOGIC EFFECTS OF PHOSPHOLIPID METABOLISM IN OBESITY AND DIABETESR01DK101392 · NIDDK · WASHINGTON UNIVERSITY · PI SEMENKOVICH, CLAY F. · 2015 to 2019
$2.0M
LIPOGENIC PATHWAYS IN ADIPOSE TISSUE DEVELOPMENT AND METABOLISMR00DK094874 · NIDDK · WASHINGTON UNIVERSITY · PI LODHI, IRFAN J · 2014 to 2016
$747k
SKELETAL MUSCLE DE NOVO LIPOGENESIS AND THE GLUCOSE-FATTY ACID CYCLEK01DK095774 · NIDDK · WASHINGTON UNIVERSITY · PI FUNAI, KATSUHIKO · 2013 to 2016
$512k
LIPOGENIC PATHWAYS IN ADIPOSE TISSUE DEVELOPMENT AND METABOLISMK99DK094874 · NIDDK · WASHINGTON UNIVERSITY · PI LODHI, IRFAN J · 2013 to 2013
$90k
Skeletal Muscle De Novo Lipogenesis and the Glucose-Fatty Acid CycleF32DK095505 · NIDDK · WASHINGTON UNIVERSITY · PI FUNAI, KATSUHIKO · 2012 to 2012
$47k
NIDDK NIH HHS DK-020579NIDDK NIH HHS DK-056341NIDDK NIH HHS DK-076729NIDDK NIH HHS DK-094874NIDDK NIH HHS DK-095505NIDDK NIH HHS DK-095774NIDDK NIH HHS DK-101392NIDDK NIH HHS F32 DK095505NIDDK NIH HHS K01 DK095774NIDDK NIH HHS K99 DK094874NIDDK NIH HHS P30 DK020579NIDDK NIH HHS P30 DK056341NIDDK NIH HHS P60 DK020579NIDDK NIH HHS R00 DK094874NIDDK NIH HHS R01 DK076729NIDDK NIH HHS R01 DK101392
6 · The paper itself

Abstract

Skeletal muscle insulin resistance is an early defect in the development of type 2 diabetes. Lipid overload induces insulin resistance in muscle and alters the composition of the sarcoplasmic reticulum (SR). To test the hypothesis that skeletal muscle phospholipid metabolism regulates systemic glucose metabolism, we perturbed choline/ethanolamine phosphotransferase 1 (CEPT1), the terminal enzyme in the Kennedy pathway of phospholipid synthesis. In C2C12 cells, CEPT1 knockdown altered SR phospholipid composition and calcium flux. In mice, diet-induced obesity, which decreases insulin sensitivity, increased muscle CEPT1 expression. In high-fat diet-fed mice with skeletal muscle-specific knockout of CEPT1, systemic and muscle-based approaches demonstrated increased muscle insulin sensitivity. In CEPT1-deficient muscles, an altered SR phospholipid milieu decreased sarco/endoplasmic reticulum Ca(2+) ATPase-dependent calcium uptake, activating calcium-signaling pathways known to improve insulin sensitivity. Altered muscle SR calcium handling also rendered these mice exercise intolerant. In obese humans, surgery-induced weight loss increased insulin sensitivity and decreased skeletal muscle CEPT1 protein. In obese humans spanning a spectrum of metabolic health, muscle CEPT1 mRNA was inversely correlated with insulin sensitivity. These results suggest that high-fat feeding and obesity induce CEPT1, which remodels the SR to preserve contractile function at the expense of insulin sensitivity.

Indexed as

AnimalsCalciumDiabetes Mellitus, Type 2Gene Knockdown TechniquesGlucoseHumansInsulin ResistanceLipogenesisMiceMice, Inbred C57BLMuscle ContractionMuscle, SkeletalObesityPhospholipidsRNA, MessengerSarcoplasmic ReticulumCalciumcholine-ethanolaminephosphotransferaseGlucosePhospholipidsRNA, MessengerTransferases (Other Substituted Phosphate Groups)

Identifiers

PMID26512026
PMCPMC4747455
OpenAlexW2191517812

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.