Evidence mapPaperPMID 28936623Full record

ArticleDiabetologia2018

Acute renal metabolic effect of metformin assessed with hyperpolarised MRI in rats.

Haiyun Qi, Per M Nielsen, Marie Schroeder, Lotte B Bertelsen, Fredrik Palm, Christoffer Laustsen

Open access · bronzeAbstract read
PubMed Publisher
In one paragraph

Article in Diabetologia, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 22 papers.

0numbers the graph read from it
0cells of the map it votes in
22citing papers in PubMed
3.6field-weighted citation impact, top 7% 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

22 citing papers in PubMed, 33 citations in OpenAlex.

  1. Article
  2. Article
  3. HyperpolarizedMagnetic resonance in medicine · 2022
    Article
  4. Metabolic Action of Metformin.Pharmaceuticals (Basel, Switzerland) · 2022
    Review
  5. Metformin, phenformin, and galegine inhibit complex IV activity and reduce glycerol-derived gluconeogenesis.Proceedings of the National Academy of Sciences of the United States of America · 2022
    Article
  6. Review
  7. Offset of apparent hyperpolarizedNMR in biomedicine · 2021
    Article
  8. Article
  9. Article
  10. Review
  11. Hyperpolarized Carbon (Methods in molecular biology (Clifton, N.J.) · 2021
    Article
  12. Hyperpolarized Carbon (Methods in molecular biology (Clifton, N.J.) · 2021
    Article
  13. Organ-specific metabolic profiles of the liver and kidney during brain death and afterwards during normothermic machine perfusion of the kidney.American journal of transplantation : official journal of the American Society of Transplantation and the American Society of Transplant Surgeons · 2020
    Article
  14. Article
  15. Review
  16. Article
  17. HyperpolarisedMagma (New York, N.Y.) · 2020
    Review
  18. Article
  19. Article
  20. Hyperpolarized [1-Physiological reports · 2018
    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

6 authors at 2 institutions in 2 countries.

Haiyun QiMR Research Centre, Department of Clinical Medicine, Aarhus University, Palle Juul-Jensens Boulevard 99, 8200, Aarhus N, Denmark.
Per M NielsenMR Research Centre, Department of Clinical Medicine, Aarhus University, Palle Juul-Jensens Boulevard 99, 8200, Aarhus N, Denmark.
Marie SchroederMR Research Centre, Department of Clinical Medicine, Aarhus University, Palle Juul-Jensens Boulevard 99, 8200, Aarhus N, Denmark.
Lotte B BertelsenMR Research Centre, Department of Clinical Medicine, Aarhus University, Palle Juul-Jensens Boulevard 99, 8200, Aarhus N, Denmark.
Fredrik PalmDepartment of Medical Cell Biology, Uppsala University, Uppsala, Sweden.
Christoffer LaustsenMR Research Centre, Department of Clinical Medicine, Aarhus University, Palle Juul-Jensens Boulevard 99, 8200, Aarhus N, Denmark. cl@clin.au.dk.ORCID 0000-0002-0317-2911
Aarhus University · DKUppsala University · SE

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

aims/hypothesisMetformin inhibits hepatic mitochondrial glycerol phosphate dehydrogenase, thereby increasing cytosolic lactate and suppressing gluconeogenesis flux in the liver. This inhibition alters cytosolic and mitochondrial reduction-oxidation (redox) potential, which has been reported to protect organ function in several disease states including diabetes. In this study, we investigated the acute metabolic and functional changes induced by metformin in the kidneys of both healthy and insulinopenic Wistar rats used as a model of diabetes.

methodsDiabetes was induced by intravenous injection of streptozotocin, and kidney metabolism in healthy and diabetic animals was investigated 4 weeks thereafter using hyperpolarised

resultsMetformin increased renal blood flow, but did not change total kidney oxygen consumption. In healthy rat kidneys, metformin increased [1- CONCLUSIONS/

interpretationThis study demonstrates that metformin-induced acute metabolic alterations in healthy kidneys favoured anaerobic metabolism at the expense of aerobic metabolism. The results suggest that metformin directly alters the renal redox state, with elevated renal cytosolic redox states as well as decreased mitochondrial redox state. These findings suggest redox biology as a novel target to eliminate the renal complications associated with metformin treatment in individuals with impaired renal function.

Indexed as

AnimalsCytosolFemaleKidneyMagnetic Resonance ImagingMaleMetforminMitochondriaOxidation-ReductionRatsRats, WistarStreptozocinMetforminStreptozocinDiabetesHyperpolarised MRIMetforminRenal functionRenal metabolismRenal redox

Identifiers

PMID28936623
OpenAlexW2755881906

What Socratic 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 Socratic graph.