Evidence map›Paper›PMID 25564660›Full record

ArticleProceedings of the National Academy of Sciences of the United States of America2015

Insulin-independent regulation of hepatic triglyceride synthesis by fatty acids.

Daniel F Vatner, Sachin K Majumdar, Naoki Kumashiro, Max C Petersen, Yasmeen Rahimi, Arijeet K Gattu, Mitchell Bears, João-Paulo G Camporez, Gary W Cline, Michael J Jurczak and 2 more

Open access · bronzeAbstract read
In one paragraph

Article in Proceedings of the National Academy of Sciences of the United States of America, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 136 papers.

0numbers the graph read from it
0cells of the map it votes in
136citing papers in PubMed
16.4field-weighted citation impact, top 1% 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

136 citing papers in PubMed, 227 citations in OpenAlex.

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  7. Insulin receptorNature communications · 2026
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76 more citing papers are in PubMed but not listed here.

4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

12 authors at 3 institutions in 1 country.

Daniel F VatnerDepartments of Internal Medicine and.
Sachin K MajumdarDepartments of Internal Medicine and.
Naoki KumashiroDepartments of Internal Medicine and.
Max C PetersenCellular and Molecular Physiology and Howard Hughes Medical Institute, Yale University School of Medicine, New Haven, CT 06536; and.
Yasmeen RahimiDepartments of Internal Medicine and.
Arijeet K GattuDepartment of Medicine, Veterans Affairs Medical Center, West Haven, CT 06516.
Mitchell BearsDepartments of Internal Medicine and.
João-Paulo G CamporezDepartments of Internal Medicine and.
Gary W ClineDepartments of Internal Medicine and.
Michael J JurczakDepartments of Internal Medicine and.
Varman T SamuelDepartments of Internal Medicine and Department of Medicine, Veterans Affairs Medical Center, West Haven, CT 06516.
Gerald I ShulmanDepartments of Internal Medicine and Cellular and Molecular Physiology and Howard Hughes Medical Institute, Yale University School of Medicine, New Haven, CT 06536; and gerald.shulman@yale.edu.
Veterans Health Administration · USHoward Hughes Medical Institute · USYale University · US

Funding

Yale Diabetes Research CenterP30DK045735 · NIDDK · YALE UNIVERSITY · PI Kevan C Herold, GERALD I SHULMAN · 1993 to 2026
$44.0M
MEDICAL SCIENTIST TRAINING PROGRAMT32GM007205 · NIGMS · YALE UNIVERSITY · PI KAZMIERCZAK, BARBARA I · 1985 to 2019
$42.9M
Yale University Clinical and Translational Science Award ProgramUL1TR000142 · NCATS · YALE UNIVERSITY · PI SHERWIN, ROBERT S · 2012 to 2015
$31.8M
DIABETES MELLITUS &DISORDERS OF METABOLISMT32DK007058 · NIDDK · YALE UNIVERSITY · PI SONIA CAPRIO, Kevan C Herold · 1986 to 2026
$9.6M
Yale Mouse Metabolic Phenotyping CenterU24DK059635 · NIDDK · YALE UNIVERSITY · PI SHULMAN, GERALD I · 2001 to 2015
$8.9M
Mechanisms of Lipid-Induced Hepatic Insulin ResistanceR01DK040936 · NIDDK · YALE UNIVERSITY · PI SHULMAN, GERALD I · 1989 to 2015
$5.1M
Parkin's role in hepatic mitochondrial turnover, steatosis and insulin resistanceK01DK099402 · NIDDK · YALE UNIVERSITY · PI JURCZAK, MICHAEL J. · 2013 to 2015
$441k
International Diabetes Epidemiology Group 2009R13DK085836 · NIDDK · MASSACHUSETTS GENERAL HOSPITAL · PI MEIGS, JAMES B · 2009 to 2009
$15k
NCATS NIH HHS UL1 TR000142NIDDK NIH HHS K01 DK099402NIDDK NIH HHS P30 DK045735NIDDK NIH HHS P30 DK-45735NIDDK NIH HHS R01 DK040936NIDDK NIH HHS R01 DK-40936NIDDK NIH HHS R13 DK085836NIDDK NIH HHS R24 DK-085836NIDDK NIH HHS T32 DK-007058NIDDK NIH HHS T32 DK007058NIDDK NIH HHS U24 DK059635NIDDK NIH HHS U24 DK-59635NIGMS NIH HHS T32 GM007205
6 · The paper itself

Abstract

A central paradox in type 2 diabetes is the apparent selective nature of hepatic insulin resistance--wherein insulin fails to suppress hepatic glucose production yet continues to stimulate lipogenesis, resulting in hyperglycemia, hyperlipidemia, and hepatic steatosis. Although efforts to explain this have focused on finding a branch point in insulin signaling where hepatic glucose and lipid metabolism diverge, we hypothesized that hepatic triglyceride synthesis could be driven by substrate, independent of changes in hepatic insulin signaling. We tested this hypothesis in rats by infusing [U-(13)C] palmitate to measure rates of fatty acid esterification into hepatic triglyceride while varying plasma fatty acid and insulin concentrations independently. These experiments were performed in normal rats, high fat-fed insulin-resistant rats, and insulin receptor 2'-O-methoxyethyl chimeric antisense oligonucleotide-treated rats. Rates of fatty acid esterification into hepatic triglyceride were found to be dependent on plasma fatty acid infusion rates, independent of changes in plasma insulin concentrations and independent of hepatocellular insulin signaling. Taken together, these results obviate a paradox of selective insulin resistance, because the major source of hepatic lipid synthesis, esterification of preformed fatty acids, is primarily dependent on substrate delivery and largely independent of hepatic insulin action.

Indexed as

Insulin ResistanceSignal TransductionAnimalsDiabetes Mellitus, Type 2Enzyme InhibitorsInsulinLiverPalmitic AcidRatsReceptor, InsulinTriglyceridesEnzyme InhibitorsInsulinPalmitic AcidReceptor, InsulinTriglyceridesesterificationhepatic insulin resistancelipogenesismass spectrometrynonalcoholic fatty liver disease

Identifiers

PMID25564660
PMCPMC4313795
OpenAlexW2140467079

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.