Evidence map›Paper›PMID 32244186›Full record

ArticleMolecular metabolism2020

Beta cell identity changes with mild hyperglycemia: Implications for function, growth, and vulnerability.

Aref G Ebrahimi, Jennifer Hollister-Lock, Brooke A Sullivan, Ryohei Tsuchida, Susan Bonner-Weir, Gordon C Weir

Open access · goldAbstract read
In one paragraph

Article in Molecular metabolism, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 52 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
52citing papers in PubMed, 1 pooled it
11.6field-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

52 citing papers in PubMed, 1 synthesis or guideline pooled it, 76 citations in OpenAlex.

  1. Pooled it
  2. Trial
  3. Trial
  4. Article
  5. Article
  6. Review
  7. Article
  8. Investigating the Pathogenesis and Treatment of Type 2 Diabetes from the Perspective of Adipose Tissue.Diabetes, metabolic syndrome and obesity : targets and therapy · 2025
    Review
  9. Article
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  14. Differential CpG methylation atbioRxiv : the preprint server for biology · 2023
    Article
  15. Article
  16. Article
  17. 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

6 authors at 2 institutions in 1 country.

Aref G EbrahimiSection on Islet Cell and Regenerative Biology, Joslin Diabetes Center, One Joslin Place, Harvard Medical School, Boston, MA 02215, USA.
Jennifer Hollister-LockSection on Islet Cell and Regenerative Biology, Joslin Diabetes Center, One Joslin Place, Harvard Medical School, Boston, MA 02215, USA.
Brooke A SullivanSection on Islet Cell and Regenerative Biology, Joslin Diabetes Center, One Joslin Place, Harvard Medical School, Boston, MA 02215, USA.
Ryohei TsuchidaSection on Islet Cell and Regenerative Biology, Joslin Diabetes Center, One Joslin Place, Harvard Medical School, Boston, MA 02215, USA.
Susan Bonner-WeirSection on Islet Cell and Regenerative Biology, Joslin Diabetes Center, One Joslin Place, Harvard Medical School, Boston, MA 02215, USA.
Gordon C WeirSection on Islet Cell and Regenerative Biology, Joslin Diabetes Center, One Joslin Place, Harvard Medical School, Boston, MA 02215, USA. Electronic address: gordon.weir@joslin.harvard.edu.
Harvard University · USJoslin Diabetes Center · US

Funding

SPECIAL ASSAY COREP30DK036836 · NIDDK · JOSLIN DIABETES CENTER · PI JEAN E. SCHAFFER · 1986 to 2026
$50.5M
Aging of the beta cell and type 2 diabetesR01DK110390 · NIDDK · JOSLIN DIABETES CENTER · PI BONNER-WEIR, SUSAN · 2017 to 2020
$1.7M
NIDDK NIH HHS P30 DK036836NIDDK NIH HHS R01 DK110390
6 · The paper itself

Abstract

objectiveAs diabetes develops, marked reductions of insulin secretion are associated with very modest elevations of glucose. We wondered if these glucose changes disrupt beta cell differentiation enough to account for the altered function.

methodsRats were subjected to 90% partial pancreatectomies and those with only mild glucose elevations 4 weeks or 10 weeks after surgery had major alterations of gene expression in their islets as determined by RNAseq.

resultsChanges associated with glucose toxicity demonstrated that many of the critical genes responsible for insulin secretion were downregulated while the expression of normally suppressed genes increased. Also, there were marked changes in genes associated with replication, aging, senescence, stress, inflammation, and increased expression of genes controlling both class I and II MHC antigens.

conclusionsThese findings suggest that mild glucose elevations in the early stages of diabetes lead to phenotypic changes that adversely affect beta cell function, growth, and vulnerability.

Indexed as

AnimalsBlood GlucoseCell DifferentiationDiabetes Mellitus, ExperimentalDiabetes Mellitus, Type 2Disease Models, AnimalDown-RegulationGene ExpressionHyperglycemiaInsulinInsulin-Secreting CellsInsulin SecretionIslets of Langerhans TransplantationMalePancreatectomyRatsBlood GlucoseInsulinRNA, MessengerDiabetesGlucose toxicityInsulin secretionPancreatic beta cellRNAseq

Identifiers

PMID32244186
PMCPMC7082551
OpenAlexW3005549563

What OpenQuestion holds

Textmetadata
LicenceCC BY-NC-ND
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.