Evidence map›Paper›PMID 28470570›Full record

ArticleNeurotoxicity research2018

Assessing Cyanobacterial Harmful Algal Blooms as Risk Factors for Amyotrophic Lateral Sclerosis.

Nathan Torbick, Beth Ziniti, Elijah Stommel, Ernst Linder, Angeline Andrew, Tracie Caller, Jim Haney, Walter Bradley, Patricia L Henegan, Xun Shi

Erratum issuedOpen access · hybridAbstract read
In one paragraph

Article in Neurotoxicity research, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. An erratum has been issued. Cited by 24 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
24citing papers in PubMed, 2 pooled it
4.4field-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

24 citing papers in PubMed, 2 syntheses or guidelines pooled it, 73 citations in OpenAlex.

  1. Pooled it
  2. Pooled it
  3. Review
  4. Life Course Exposure to Cyanobacteria and Amyotrophic Lateral Sclerosis Survival.International journal of environmental research and public health · 2025
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  19. The mechanism of β-The Journal of biological chemistry · 2020
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4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

10 authors at 5 institutions in 1 country.

Nathan TorbickApplied Geosolutions, 55 Main St, Suite 125, Newmarket, NH, 03857, USA. ntorbick@appliedgeosolutions.com.ORCID http://orcid.org/0000-0002-4165-0910
Beth ZinitiApplied Geosolutions, 55 Main St, Suite 125, Newmarket, NH, 03857, USA.
Elijah StommelDepartment of Neurology, Dartmouth College, Hanover, NH, USA.
Ernst LinderDepartment of Mathematics and Statistics, University of New Hampshire, Durham, NH, USA.
Angeline AndrewDartmouth-Hitchcock Medical Center, Lebanon, NH, USA.
Tracie CallerDartmouth-Hitchcock Medical Center, Lebanon, NH, USA.
Jim HaneyDepartment of Biological Sciences, University of New Hampshire, Durham, NH, USA.
Walter BradleyDepartment of Neurology, University of Miami Miller School of Medicine, Miami, FL, USA.
Patricia L HeneganDepartment of Neurology, Dartmouth College, Hanover, NH, USA.
Xun ShiDepartment of Geography, Dartmouth College, Hanover, NH, USA.
Dartmouth College · USDartmouth–Hitchcock Medical Center · USUniversity of New Hampshire · USApplied GeoSolutions (United States) · USUniversity of Miami · US

Funding

CyanoMap: Mapping inland lake quality and Amyotrophic lateral sclerosis risk factR44ES022103 · NIEHS · APPLIED GEOSOLUTIONS, LLC · PI TORBICK, NATHAN · 2014 to 2015
$934k
Lake Cyanobacterial Harmful Algal Bloom Mapping and Analysis Platform (CHAB-MAP)R43ES025513 · NIEHS · APPLIED GEOSOLUTIONS, LLC · PI TORBICK, NATHAN · 2016 to 2016
$151k
Cyano-Map: Linking cyanobacteria metrics and human healthR43ES022103 · NIEHS · APPLIED GEOSOLUTIONS, LLC · PI TORBICK, NATHAN · 2012 to 2012
$148k
ALSA 15-IIP-213Centers for Disease Control and Prevention 200-2014-59046National Institute of Environmental Health Sciences R44 ES022103-03National Science Foundation 1433756NIEHS NIH HHS R43 ES022103NIEHS NIH HHS R43 ES025513NIEHS NIH HHS R44 ES022103
6 · The paper itself

Abstract

Reoccurring seasonal cyanobacterial harmful algal blooms (CHABs) persist in many waters, and recent work has shown links between CHAB and elevated risk of amyotrophic lateral sclerosis (ALS). Quantifying the exposure levels of CHAB as a potential risk factor for ALS is complicated by human mobility, potential pathways, and data availability. In this work, we develop phycocyanin concentration (i.e., CHAB exposure) maps using satellite remote sensing across northern New England to assess relationships with ALS cases using a spatial epidemiological approach. Strategic semi-analytical regression models integrated Landsat and in situ observations to map phycocyanin concentration (PC) for all lakes greater than 8 ha (n = 4117) across the region. Then, systematic versions of a Bayesian Poisson Log-linear model were fit to assess the mapped PC as a risk factor for ALS while accounting for model uncertainty and modifiable area unit problems. The satellite remote sensing of PC had strong overall ability to map conditions (adj. R2, 0.86; RMSE, 11.92) and spatial variability across the region. PC tended to be positively associated with ALS risk with the level of significance depending on fixed model components. Meta-analysis shows that when average PC exposure is 100 μg/L, an all model average odds ratio is 1.48, meaning there is about a 48% increase in average ALS risk. This research generated the first regionally comprehensive map of PC for thousands of lakes and integrated robust spatial uncertainty. The outcomes support the hypothesis that cyanotoxins increase the risk of ALS, which helps our understanding of the etiology of ALS.

Indexed as

Harmful Algal BloomAmyotrophic Lateral SclerosisAnimalsCyanobacteriaEcosystemEnvironmental MonitoringHumansLakesModels, StatisticalNew EnglandPhycocyaninRetrospective StudiesRisk FactorsSatellite CommunicationsPhycocyaninAmyotrophic lateral sclerosisBMAACyanobacterial harmful algal bloomsRemote sensingSpatial epidemiology

Identifiers

PMID28470570
PMCPMC5727154
OpenAlexW2610906561

What OpenQuestion holds

Textmetadata
LicenceTDM
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.