Evidence map›Paper›PMID 19103604›Full record

ArticleThe Journal of biological chemistry2009

hNOA1 interacts with complex I and DAP3 and regulates mitochondrial respiration and apoptosis.

Tingdong Tang, Bin Zheng, Sheng-Hong Chen, Anne N Murphy, Krystyna Kudlicka, Huilin Zhou, Marilyn G Farquhar

Open access · hybridAbstract read
In one paragraph

Article in The Journal of biological chemistry, 2009. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 29 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
29citing papers in PubMed, 1 pooled it
1.8field-weighted citation impact, top 15% 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

29 citing papers in PubMed, 1 synthesis or guideline pooled it, 49 citations in OpenAlex.

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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

7 authors at 2 institutions in 1 country.

Tingdong TangDepartment of Cellular and Molecular Medicine, University of California, San Diego, La Jolla, California 92093-0651, USA.
Bin Zheng
Sheng-Hong Chen
Anne N Murphy
Krystyna Kudlicka
Huilin Zhou
Marilyn G Farquhar
University of California, San Diego · USLudwig Cancer Research · US

Funding

Spatial Regulation of RGS and G Protein SignalingR01CA100768 · NCI · UNIVERSITY OF CALIFORNIA, SAN DIEGO · PI GHOSH, PRADIPTA · 2003 to 2019
$7.4M
Regulation and functions of DNA damage checkpoint kinases in YeastR01GM080469 · NIGMS · LUDWIG INSTITUTE FOR CANCER RES LTD · PI ZHOU, HUILIN · 2007 to 2011
$1.4M
NCI NIH HHS CA100768NIGMS NIH HHS R01 GM080469PHS HHS DKI7780
6 · The paper itself

Abstract

Mitochondria are dynamic organelles that play key roles in metabolism, energy production, and apoptosis. Coordination of these processes is essential to maintain normal cellular functions. Here we characterized hNOA1, the human homologue of AtNOA1 (Arabidopsis thaliana nitric oxide-associated protein 1), a large mitochondrial GTPase. By immunofluorescence, immunoelectron microscopy, and mitochondrial subfractionation, endogenous hNOA1 is localized within mitochondria where it is peripherally associated with the inner mitochondrial membrane facing the mitochondrial matrix. Overexpression and knockdown of hNOA1 led to changes in mitochondrial shape implying effects on mitochondrial dynamics. To identify the interaction partners of hNOA1 and to further understand its cellular functions, we performed immunoprecipitation-mass spectrometry analysis of endogenous hNOA1 from enriched mitochondrial fractions and found that hNOA1 interacts with both Complex I of the electron transport chain and DAP3 (death-associated protein 3), a positive regulator of apoptosis. Knockdown of hNOA1 reduces mitochondrial O(2) consumption approximately 20% in a Complex I-dependent manner, supporting a functional link between hNOA1 and Complex I. Moreover, knockdown of hNOA1 renders cells more resistant to apoptotic stimuli such as gamma-interferon and staurosporine, supporting a role for hNOA1 in regulating apoptosis. Thus, based on its interactions with both Complex I and DAP3, hNOA1 may play a role in mitochondrial respiration and apoptosis.

Indexed as

AnimalsAntiviral AgentsApoptosisApoptosis Regulatory ProteinsChlorocebus aethiopsCOS CellsElectron Transport Complex IEnzyme InhibitorsGTP PhosphohydrolasesHeLa CellsHumansInterferon-gammaMitochondrial MembranesMitochondrial ProteinsOxygenOxygen ConsumptionAntiviral AgentsApoptosis Regulatory ProteinsDAP3 protein, humanElectron Transport Complex IEnzyme InhibitorsGTP PhosphohydrolasesInterferon-gammaMitochondrial ProteinsNOA1 protein, humanOxygenRibosomal ProteinsRNA-Binding ProteinsStaurosporine

Identifiers

PMID19103604
PMCPMC2643507
OpenAlexW2158728023

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.