Evidence map›Paper›PMID 10769194›Full record

ArticleThe Biochemical journal2000

Polyamines directly induce release of cytochrome c from heart mitochondria.

C Stefanelli, I Stanic', M Zini, F Bonavita, F Flamigni, L Zambonin, L Landi, C Pignatti, C Guarnieri, C M Caldarera

Open access · bronzeAbstract read
In one paragraph

Article in The Biochemical journal, 2000. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 20 papers.

0numbers the graph read from it
0cells of the map it votes in
20citing papers in PubMed
2.0field-weighted citation impact, top 14% 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

20 citing papers in PubMed, 75 citations in OpenAlex.

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  16. Inhibitory effect of DIDS, NPPB, and phloretin on intracellular chloride channels.Pflugers Archiv : European journal of physiology · 2007
    Article
  17. Nitric oxide and promotion of cardiac myocyte apoptosis.Molecular and cellular biochemistry · 2004
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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

10 authors at 1 institution in 1 country.

C StefanelliDipartimento di Biochimica 'G. Moruzzi', Università di Bologna, Via Irnerio, 48. I-40126 Bologna, Italy. cstefan@biocfarm.unibo.it
I Stanic'
M Zini
F Bonavita
F Flamigni
L Zambonin
L Landi
C Pignatti
C Guarnieri
C M Caldarera
University of Bologna · IT

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Cytochrome c release from mitochondria to the cytosol represents a critical step in apoptosis, correlated to the activation of the caspase cascade. In this report, we show that addition of micromolar concentrations of polyamines to isolated rat heart mitochondria induces the release of cytochrome c. Spermine, which is effective at concentrations of 10-100 microM, is more potent than spermidine, whereas putrescine has no effect up to 1 mM. The release of cytochrome c caused by spermine is a rapid, saturable and selective process that is independent of mitochondria damage. Spermine, unlike polylysine, is able to release a discrete amount of cytochrome c from intact, functional mitochondria. The cytochrome c-releasing power of spermine is not affected by cyclosporin A, differently from the effect of permeability transition inducers. In a cardiac cell-free model of apoptosis, the latent caspase activity of cytosolic extracts from cardiomyocytes could be activated by cytochrome c released from spermine-treated heart mitochondria. These data indicate a novel mechanism of cytochrome c release from the mitochondrion, and suggest that prolonged and sustained elevation of polyamines, characteristic of some pathologies such as heart hypertrophy, could be involved in the development of apoptosis.

Indexed as

AnimalsApoptosisCaspasesCell ExtractsChick EmbryoCyclosporineCytochrome c GroupCytosolDose-Response Relationship, DrugEnzyme ActivationFemaleIntracellular MembranesKineticsMitochondria, HeartMyocardiumPermeabilityCaspasesCell ExtractsCyclosporineCytochrome c GroupPolyaminesPolylysinePutrescineSpermidineSpermine

Identifiers

PMID10769194
PMCPMC1221027
OpenAlexW2067761408

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.