Evidence map›Paper›PMID 34864044›Full record

ArticleBrain research2022

Dependence of glucose transport on autophagy and GAPDH activity.

Rolf J Craven, Hilaree N Frazier, Olivier Thibault

Open access · greenAbstract read
In one paragraph

Article in Brain research, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.

0numbers the graph read from it
0cells of the map it votes in
6citing papers in PubMed
0.5field-weighted citation impact, top 37% 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

6 citing papers in PubMed, 11 citations in OpenAlex.

  1. 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

3 authors at 1 institution in 1 country.

Rolf J CravenDepartment of Pharmacology and Nutritional Sciences, University of Kentucky College of Medicine, 800 Rose Street, MS-301 Willard Medical Research Building, Lexington, KY 40536, United States. Electronic address: rolf.craven@uky.edu.
Hilaree N FrazierDepartment of Pharmacology and Nutritional Sciences, University of Kentucky College of Medicine, 800 Rose Street, MS-301 Willard Medical Research Building, Lexington, KY 40536, United States.
Olivier ThibaultDepartment of Pharmacology and Nutritional Sciences, University of Kentucky College of Medicine, 800 Rose Street, MS-301 Willard Medical Research Building, Lexington, KY 40536, United States.
University of Kentucky · US

Funding

Metabolic syndrome and hippocampal Ca2+ dysregulation in aging-related memory decR01AG033649 · NIA · UNIVERSITY OF KENTUCKY · PI THIBAULT, OLIVIER · 2009 to 2019
$3.4M
NIA NIH HHS R01 AG033649
6 · The paper itself

Abstract

Glucose uptake in the brain is critically important to brain health. Using two widely used cell line model systems, we have found that siramesine, a lysosomotropic agent and ligand for the sigma-2 receptor, inhibits glucose uptake and decreases pools of the GLUT1 glucose transporter at the plasma membrane. Siramesine induces autophagy but also disrupts degradation of autophagy substrates, providing a potential mechanism for its action on glucose uptake. In other cell systems, many of the effects of siramesine can be suppressed by α -tocopherol, a type of vitamin E and potent antioxidant, and α-tocopherol also suppressed the effect of siramesine on glucose uptake, suggesting a role for reactive oxygen species and membrane maintenance. We have also identified a novel mechanism for siramesine in which it inhibited plasma membrane levels of GAPDH, a key protein in glycolysis which localizes to the plasma membrane in some cell types. Indeed, GAPDH inhibitors decreased glucose uptake, like siramesine, likely through an overlapping pathway with siramesine. GAPDH inhibitors induced autophagy but inhibited degradation of autophagy targets. Thus, we have identified novel mechanisms required for glucose uptake which may have important implications in disease.

Indexed as

AutophagyBiological TransportCell Line, TumorCell MembraneGlucoseGlyceraldehyde-3-Phosphate Dehydrogenase (Phosphorylating)GlycolysisHumansIndolesLysosomesSpiro CompoundsGAPDH protein, humanGlucoseGlyceraldehyde-3-Phosphate Dehydrogenase (Phosphorylating)IndolesLu 28-179Spiro CompoundsAutophagyGlucose transporterMetabolism

Identifiers

PMID34864044
PMCPMC8819679
OpenAlexW3216202520

What OpenQuestion holds

Textmetadata
LicenceTDM
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.