Evidence map›Paper›PMID 17617374›Full record

ArticleBiochimica et biophysica acta2007

VDAC closure increases calcium ion flux.

Wenzhi Tan, Marco Colombini

Abstract read
In one paragraph

Article in Biochimica et biophysica acta, 2007. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 153 papers.

0numbers the graph read from it
0cells of the map it votes in
153citing papers in PubMed
4.0field-weighted citation impact, top 5% 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

153 citing papers in PubMed, 270 citations in OpenAlex.

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  19. Mitochondrial dysfunction: mechanisms and advances in therapy.Signal transduction and targeted therapy · 2024
    Review
  20. Review

93 more citing papers are in PubMed but not listed here.

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

2 authors at 1 institution in 1 country.

Wenzhi TanDepartment of Biology, University of Maryland, College Park, MD 20742, USA.
Marco Colombini
University of Maryland, College Park · US

Funding

Channel Formation by Ceramides: Implication on ApoptosisR01NS042025 · NINDS · UNIV OF MARYLAND, COLLEGE PARK · PI COLOMBINI, MARCO · 2003 to 2006
$841k
NINDS NIH HHS R01 NS042025
6 · The paper itself

Abstract

VDAC is the major permeability pathway in the mitochondrial outer membrane and can control the flow of metabolites and ions. Therefore Ca(2+) flux across the outer membrane occurs mainly through VDAC. Since both Ca(2+) fluxes and VDAC are involved in apoptosis, we examined whether Ca(2+) is required for channel formation by VDAC isolated from rat liver. The voltage gating of VDAC does not require Ca(2+) and it functions normally with or without Ca(2+). Additionally, VDAC generally shows a higher permeability to Ca(2+) in the closed states (states with lower permeability to metabolites) than that in the open state. Thus VDAC closure, which induces apoptosis, also favors Ca(2+) flux into mitochondria, which can also lead to permeability transition and cell death. These results are consistent with the view that VDAC closure is a pro-apoptotic signal.

Indexed as

AnimalsApoptosisCalciumChloridesIon Channel GatingOsmolar ConcentrationPermeabilityRatsVoltage-Dependent Anion ChannelsCalciumChloridesVoltage-Dependent Anion Channels

Identifiers

PMID17617374
PMCPMC2220155
OpenAlexW2140258011

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.