Evidence map›Paper›PMID 39710124›Full record

ArticleEnvironmental toxicology and pharmacology2025

The impact of APOE4 on neurological symptoms after exposure to K. brevis neurotoxin.

Gregory J Aldrich, Aurore Nkiliza, Scott Ferguson, Daniel Niedospial, Dakota Helgager, Andrew P Keegan, Daniel Paris, Barbara Kirkpatrick, Fiona Crawford, Michael Mullan and 1 more

Abstract read
In one paragraph

Article in Environmental toxicology and pharmacology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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0citing papers in PubMed
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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

0 citing papers in PubMed.

No citing paper in PubMed yet.

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

11 authors.

Gregory J AldrichRoskamp Institute, 2040 Whitfield Ave, Sarasota, FL, USA; James A. Haley VA Hospital, Tampa, FL, USA. Electronic address: galdrich@roskampinstitute.org.
Aurore NkilizaRoskamp Institute, 2040 Whitfield Ave, Sarasota, FL, USA.
Scott FergusonRoskamp Institute, 2040 Whitfield Ave, Sarasota, FL, USA.
Daniel NiedospialRoskamp Institute, 2040 Whitfield Ave, Sarasota, FL, USA.
Dakota HelgagerRoskamp Institute, 2040 Whitfield Ave, Sarasota, FL, USA; James A. Haley VA Hospital, Tampa, FL, USA.
Andrew P KeeganRoskamp Institute, 2040 Whitfield Ave, Sarasota, FL, USA.
Daniel ParisRoskamp Institute, 2040 Whitfield Ave, Sarasota, FL, USA; James A. Haley VA Hospital, Tampa, FL, USA.
Barbara KirkpatrickGulf of Mexico Coastal Ocean Observing System, Texas A & M University, College Station, TX, USA.
Fiona CrawfordRoskamp Institute, 2040 Whitfield Ave, Sarasota, FL, USA; James A. Haley VA Hospital, Tampa, FL, USA.
Michael MullanRoskamp Institute, 2040 Whitfield Ave, Sarasota, FL, USA.
Laila AbdullahRoskamp Institute, 2040 Whitfield Ave, Sarasota, FL, USA; James A. Haley VA Hospital, Tampa, FL, USA.

Funding

Neurological effects of aerosolized red tide neurotoxinsR01ES036145 · NIEHS · ROSKAMP INSTITUTE, INC. · PI Laila Abdullah · 2024 to 2026
$2.1M
Long term assessment of neurological effects after red tide exposureR21ES032114 · NIEHS · ROSKAMP INSTITUTE, INC. · PI ABDULLAH, LAILA, MULLAN, MICHAEL J · 2020 to 2021
$415k
NIEHS NIH HHS R01 ES036145NIEHS NIH HHS R21 ES032114
6 · The paper itself

Abstract

introductionThe harmful alga Karenia brevis (K. brevis) releases brevetoxins (PbTx) that cause respiratory and neurological symptoms. The apolipoprotein E (APOE) ε4 allele has been linked to poor neurological outcomes after exposure to environmental toxicants. This study explores the influence of the ε4 allele on the relationship between K. brevis in coastal waters and neurological symptoms reported by Southwest Florida residents.

methodsA Surrogate Brevetoxin Exposure (SBE

resultsCompared to non-carriers, ε4 carriers more frequently reported experiencing memory problems and fatigue during red tide blooms, independent of conditions like dementia and chronic fatigue syndrome.

conclusionThis study suggests that the ε4 allele may exacerbate neurological symptoms from aerosolized PbTx, highlighting the need for strategies to better understand the impact of PbTx on the brain.

Indexed as

Apolipoprotein E4Marine ToxinsOxocinsAdultAgedDinoflagellidaFemaleFloridaHarmful Algal BloomHumansMaleMemory DisordersMiddle AgedNeurotoxinsPolyether ToxinsApolipoprotein E4brevetoxinMarine ToxinsNeurotoxinsOxocinsPolyether ToxinsAPOEBrevetoxinFatigueKarenia brevisMemoryNeurological conditions

Identifiers

PMID39710124
PMCPMC12022920

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Registered trials

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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.