Evidence map›Paper›PMID 28835436›Full record

ArticleAmerican journal of physiology. Cell physiology2017

In vitro contraction protects against palmitate-induced insulin resistance in C2C12 myotubes.

Stephan Nieuwoudt, Anny Mulya, Ciarán E Fealy, Elizabeth Martelli, Srinivasan Dasarathy, Sathyamangla V Naga Prasad, John P Kirwan

Abstract read
In one paragraph

Article in American journal of physiology. Cell physiology, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 29 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
29citing papers in PubMed, 2 pooled it
–field-weighted citation impact
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

29 citing papers in PubMed, 2 syntheses or guidelines pooled it.

  1. Pooled it
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  15. AqueousJournal of diabetes and metabolic disorders · 2020
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  19. Exercise and physical activity in cirrhosis: opportunities or perils.Journal of applied physiology (Bethesda, Md. : 1985) · 2020
    Article
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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.

Stephan NieuwoudtDepartment of Physiology and Biophysics, Case Western Reserve University, Cleveland, Ohio.
Anny MulyaDepartment of Pathobiology, Lerner Research Institute, Cleveland Clinic, Cleveland, Ohio; and.
Ciarán E FealyDepartment of Pathobiology, Lerner Research Institute, Cleveland Clinic, Cleveland, Ohio; and.
Elizabeth MartelliDepartment of Molecular Cardiology, Lerner Research Institute, Cleveland Clinic, Cleveland, Ohio.
Srinivasan DasarathyDepartment of Pathobiology, Lerner Research Institute, Cleveland Clinic, Cleveland, Ohio; and.
Sathyamangla V Naga PrasadDepartment of Molecular Cardiology, Lerner Research Institute, Cleveland Clinic, Cleveland, Ohio.
John P KirwanDepartment of Physiology and Biophysics, Case Western Reserve University, Cleveland, Ohio; kirwanj@ccf.org.ORCID http://orcid.org/0000-0001-7321-9917

Funding

Clinical and Translational Science Collaborative of ClevelandUL1TR000439 · NCATS · CASE WESTERN RESERVE UNIVERSITY · PI KONSTAN, MICHAEL W. · 2012 to 2016
$50.0M
Mechanisms of Malnutrition in Cirrhosis with Portosystemic ShuntingR01GM119174 · NIGMS · CLEVELAND CLINIC LERNER COM-CWRU · PI DASARATHY, SRINIVASAN · 2017 to 2020
$1.2M
Role of the skeletal muscle/pancreatic axis in type 2 diabetesR21AR067477 · NIAMS · CLEVELAND CLINIC LERNER COM-CWRU · PI KIRWAN, JOHN P. · 2015 to 2016
$378k
NCATS NIH HHS UL1 TR000439NIAMS NIH HHS R21 AR067477NIGMS NIH HHS R01 GM119174
6 · The paper itself

Abstract

We are interested in understanding mechanisms that govern the protective role of exercise against lipid-induced insulin resistance, a key driver of type 2 diabetes. In this context, cell culture models provide a level of abstraction that aid in our understanding of cellular physiology. Here we describe the development of an in vitro myotube contraction system that provides this protective effect, and which we have harnessed to investigate lipid-induced insulin resistance. C2C12 myocytes were differentiated into contractile myotubes. A custom manufactured platinum electrode system and pulse stimulator, with polarity switching, provided an electrical pulse stimulus (EPS) (1 Hz, 6-ms pulse width, 1.5 V/mm, 16 h). Contractility was assessed by optical flow flied spot noise mapping and inhibited by application of ammonium acetate. Following EPS, myotubes were challenged with 0.5 mM palmitate for 4 h. Cells were then treated with or without insulin for glucose uptake (30 min), secondary insulin signaling activation (10 min), and phosphoinositide 3-kinase-α (PI3Kα) activity (5 min). Prolonged EPS increased non-insulin-stimulated glucose uptake (83%,

Indexed as

AnimalsCell LineElectric StimulationInsulin ResistanceMiceMuscle ContractionMuscle Fibers, SkeletalMuscle, SkeletalPalmitatesPalmitatesdiabetesexerciseinsulin resistancelipidmuscle

Identifiers

PMID28835436
PMCPMC5792169

What OpenQuestion holds

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Registered trials

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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.