Evidence map›Paper›PMID 19309264›Full record

ReviewAntioxidants & redox signaling2009

A role for copper in the toxicity of zinc-deficient superoxide dismutase to motor neurons in amyotrophic lateral sclerosis.

Kari A Trumbull, Joseph S Beckman

Abstract readReview
In one paragraph

Review in Antioxidants & redox signaling, 2009. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 33 papers.

0numbers the graph read from it
0cells of the map it votes in
33citing papers in PubMed
4.1field-weighted citation impact, top 6% 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

33 citing papers in PubMed, 75 citations in OpenAlex.

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  17. Metal-deficient SOD1 in amyotrophic lateral sclerosis.Journal of molecular medicine (Berlin, Germany) · 2015
    Review
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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

2 authors at 2 institutions in 1 country.

Kari A TrumbullLinus Pauling Institute, Department of Biochemistry and Biophysics, Corvallis, Oregon 97331, USA.
Joseph S Beckman
Oregon State University · USOregon University System · US

Funding

Overall Program/FreiP01AT002034 · NCCIH · OREGON STATE UNIVERSITY · PI FREI, BALZ B · 2003 to 2012
$11.7M
CAM Research Training in Neuroscience &StressT32AT002688 · NCCIH · OREGON HEALTH & SCIENCE UNIVERSITY · PI OKEN, BARRY S, SOUMYANATH, AMALA · 2005 to 2025
$7.2M
Superoxide Dismutase, Peroxynitrite and ALSR01NS058628 · NINDS · OREGON STATE UNIVERSITY · PI BECKMAN, JOSEPH S · 2008 to 2012
$1.6M
NCCIH NIH HHS AT002034NCCIH NIH HHS T32 AT002688NIEHS NIH HHS ES00240NINDS NIH HHS NS058628
6 · The paper itself

Abstract

In the 16 years since mutations to copper, zinc superoxide dismutase (SOD1) were first linked to familial amyotrophic lateral sclerosis (ALS), a multitude of apparently contradictory results have prevented any general consensus to emerge about the mechanism of toxicity. A decade ago, we showed that the loss of zinc from SOD1 results in the remaining copper in SOD1 to become extremely toxic to motor neurons in culture by a mechanism requiring nitric oxide. The loss of zinc causes SOD1 to become more accessible, more redox reactive, and a better catalyst of tyrosine nitration. Although SOD1 mutant proteins have a modestly reduced affinity for zinc, wild-type SOD1 can be induced to lose zinc by dialysis at slightly acidic pH. Our zinc-deficient hypothesis offers a compelling explanation for how mutant SOD1s have an increased propensity to become selectively toxic to motor neurons and also explains how wild-type SOD1 can be toxic in nonfamilial ALS patients. One critical prediction is that a therapeutic agent directed at zinc-deficient mutant SOD1 could be even more effective in treating sporadic ALS patients. Although transgenic mice experiments have yielded contradictory evidence to the zinc-deficient hypothesis, we will review more recent studies that support a role for copper in ALS. A more careful examination of the role of copper and zinc binding to SOD1 may help counter the growing disillusion in the ALS field about understanding the pathological role of SOD1.

Indexed as

Amyotrophic Lateral SclerosisAnimalsCopperMiceMice, TransgenicModels, MolecularMotor NeuronsProtein ConformationSuperoxide DismutaseCopperSuperoxide Dismutase

Identifiers

PMID19309264
PMCPMC2842582
OpenAlexW2028358264

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.