Evidence map›Paper›PMID 19382906›Full record

ArticleJournal of cellular and molecular medicine2009

H2O2-induced Ca2+ influx and its inhibition by N-(p-amylcinnamoyl) anthranilic acid in the beta-cells: involvement of TRPM2 channels.

Muhammad R Bari, Sanian Akbar, Mohamed Eweida, Frank J P Kühn, Amanda Jabin Gustafsson, Andreas Lückhoff, Md Shahidul Islam

Open access · bronzeAbstract read
In one paragraph

Article in Journal of cellular and molecular medicine, 2009. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 23 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
23citing papers in PubMed, 1 pooled it
2.7field-weighted citation impact, top 11% 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

23 citing papers in PubMed, 1 synthesis or guideline pooled it, 61 citations in OpenAlex.

  1. Pooled it
  2. TRPM2-mediated CaCell communication and signaling : CCS · 2023
    Review
  3. Review
  4. Review
  5. Article
  6. Review
  7. Review
  8. TRPM2 Promotes Neurotoxin MPPMolecular neurobiology · 2018
    Article
  9. Article
  10. Hydrogen peroxide attenuates refilling of intracellular calcium store in mouse pancreatic acinar cells.The Korean journal of physiology & pharmacology : official journal of the Korean Physiological Society and the Korean Society of Pharmacology · 2017
    Article
  11. Article
  12. Targeting TRPM2 in ROS-Coupled Diseases.Pharmaceuticals (Basel, Switzerland) · 2016
    Review
  13. Article
  14. Article
  15. Article
  16. Article
  17. Article
  18. Article
  19. Article
  20. Review
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 at 4 institutions in 2 countries.

Muhammad R BariDepartment of Clinical Sciences and Education, Karolinska Institutet, Research Centre, Stockholm South Hospital, Stockholm, Sweden.
Sanian Akbar
Mohamed Eweida
Frank J P Kühn
Amanda Jabin Gustafsson
Andreas Lückhoff
Md Shahidul Islam
Karolinska Institutet · SERWTH Aachen University · DEKarolinska University Hospital · SEUppsala University Hospital · SE

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Type 2 melastatin-related transient receptor potential channel (TRPM2), a member of the melastatin-related TRP (transient receptor potential) subfamily is a Ca(2+)-permeable channel activated by hydrogen peroxide (H(2)O(2)). We have investigated the role of TRPM2 channels in mediating the H(2)O(2)-induced increase in the cytoplasmic free Ca(2+) concentration ([Ca(2+)](i)) in insulin-secreting cells. In fura-2 loaded INS-1E cells, a widely used model of beta-cells, and in human beta-cells, H(2)O(2) increased [Ca(2+)](i), in the presence of 3 mM glucose, by inducing Ca(2+) influx across the plasma membrane. H(2)O(2)-induced Ca(2+) influx was not blocked by nimodipine, a blocker of the L-type voltage-gated Ca(2+) channels nor by 2-aminoethoxydiphenyl borate, a blocker of several TRP channels and store-operated channels, but it was completely blocked by N-(p-amylcinnamoyl)anthranilic acid (ACA), a potent inhibitor of TRPM2. Adenosine diphosphate phosphate ribose, a specific activator of TRPM2 channel and H(2)O(2), induced inward cation currents that were blocked by ACA. Western blot using antibodies directed to the epitopes on the N-terminal and on the C-terminal parts of TRPM2 identified the full length TRPM2 (TRPM2-L), and the C-terminally truncated TRPM2 (TRPM2-S) in human islets. We conclude that functional TRPM2 channels mediate H(2)O(2)-induced Ca(2+) entry in beta-cells, a process potently inhibited by ACA.

Indexed as

AnimalsCalciumCalcium ChannelsCell LineCell MembraneCells, CulturedCinnamatesClusterinEpitopesHumansHydrogen PeroxideInsulinomaInsulin-Secreting CellsNimodipineortho-AminobenzoatesRats4-amylcinnamoylanthranilic acidCalciumCalcium ChannelsCinnamatesClusterinEpitopesHydrogen PeroxideNimodipineortho-Aminobenzoates

Identifiers

PMID19382906
PMCPMC4516483
OpenAlexW1964196585

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.