Evidence map›Paper›PMID 28239640›Full record

ArticleAlzheimer's & dementia (Amsterdam, Netherlands)2017

Serum IL-8 is a marker of white-matter hyperintensities in patients with Alzheimer's disease.

Yanan Zhu, Yuek Ling Chai, Saima Hilal, M Kamran Ikram, Narayanaswamy Venketasubramanian, Boon-Seng Wong, Christopher P Chen, Mitchell K P Lai

Open access · goldAbstract read
In one paragraph

Article in Alzheimer's & dementia (Amsterdam, Netherlands), 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 31 papers, 4 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
31citing papers in PubMed, 4 pooled it
2.6field-weighted citation impact, top 10% 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

31 citing papers in PubMed, 4 syntheses or guidelines pooled it, 61 citations in OpenAlex.

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  8. Inflammatory protein associations with brain MRI measures: Framingham Offspring Cohort.Alzheimer's & dementia : the journal of the Alzheimer's Association · 2024
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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

8 authors at 4 institutions in 2 countries.

Yanan ZhuDepartment of Pharmacology, Yong Loo Lin School of Medicine, National University of Singapore, Kent Ridge, Singapore.
Yuek Ling ChaiDepartment of Pharmacology, Yong Loo Lin School of Medicine, National University of Singapore, Kent Ridge, Singapore.
Saima HilalDepartment of Pharmacology, Yong Loo Lin School of Medicine, National University of Singapore, Kent Ridge, Singapore; Department of Epidemiology, Erasmus University Medical Center, Rotterdam, The Netherlands; Department of Radiology, Erasmus University Medical Center, Rotterdam, The Netherlands.
M Kamran IkramDepartment of Radiology, Erasmus University Medical Center, Rotterdam, The Netherlands; Department of Neurology, Erasmus University Medical Center, Rotterdam, The Netherlands; Memory Aging and Cognition Centre, National University Health System, Kent Ridge, Singapore.
Narayanaswamy VenketasubramanianMemory Aging and Cognition Centre, National University Health System, Kent Ridge, Singapore; Raffles Neuroscience Centre, Raffles Hospital, Singapore, Singapore.
Boon-Seng WongDepartment of Physiology, Yong Loo Lin School of Medicine, National University of Singapore, Kent Ridge, Singapore.
Christopher P ChenDepartment of Pharmacology, Yong Loo Lin School of Medicine, National University of Singapore, Kent Ridge, Singapore; Memory Aging and Cognition Centre, National University Health System, Kent Ridge, Singapore.
Mitchell K P LaiDepartment of Pharmacology, Yong Loo Lin School of Medicine, National University of Singapore, Kent Ridge, Singapore; Memory Aging and Cognition Centre, National University Health System, Kent Ridge, Singapore.
National University of Singapore · SGNational University Health System · SGErasmus MC · NLRaffles Institution · SG

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

introductionNeuroinflammation and cerebrovascular disease (CeVD) have been implicated in cognitive impairment and Alzheimer's disease (AD). The present study aimed to examine serum inflammatory markers in preclinical stages of dementia and in AD, as well as to investigate their associations with concomitant CeVD.

methodsWe performed a cross-sectional case-control study including 96 AD, 140 cognitively impaired no dementia (CIND), and 79 noncognitively impaired participants. All subjects underwent neuropsychological and neuroimaging assessments, as well as collection of blood samples for measurements of serum samples interleukin (IL)-6, IL-8, and tumor necrosis factor α levels. Subjects were classified as CIND or dementia based on clinical criteria. Significant CeVD, including white-matter hyperintensities (WMHs), lacunes, and cortical infarcts, was assessed by magnetic resonance imaging.

resultsAfter controlling for covariates, higher concentrations of IL-8, but not the other measured cytokines, were associated with both CIND and AD only in the presence of significant CeVD (CIND with CeVD: odds ratios [ORs] 4.53; 95% confidence interval [CI] 1.5-13.4 and AD with CeVD: OR 7.26; 95% CI 1.2-43.3). Subsequent multivariate analyses showed that among the types of CeVD assessed, only WMH was associated with higher IL-8 levels in CIND and AD (WMH: OR 2.81; 95% CI 1.4-5.6). DISCUSSION: Serum IL-8 may have clinical utility as a biomarker for WMH in AD. Longitudinal follow-up studies would help validate these findings.

Indexed as

Alzheimer's diseaseCerebrovascular diseaseCognitive impairmentDementiaIL-8InflammationWhite-matter hyperintensities

Identifiers

PMID28239640
PMCPMC5318538
OpenAlexW2581078685

What OpenQuestion holds

Textmetadata
LicenceCC BY-NC-ND
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.