Evidence map›Paper›PMID 30393836›Full record

ArticleBrain imaging and behavior2020

Klotho gene polymorphism, brain structure and cognition in early-life development.

Clarisse F de Vries, Roger T Staff, Kimberly G Noble, Ryan L Muetzel, Meike W Vernooij, Tonya White, Gordon D Waiter, Alison D Murray, Pediatric Imaging, Neurocognition and Genetics Study

Open access · hybridAbstract read
In one paragraph

Article in Brain imaging and behavior, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
9citing papers in PubMed, 1 pooled it
0.8field-weighted citation impact, top 29% 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

9 citing papers in PubMed, 1 synthesis or guideline pooled it, 14 citations in OpenAlex.

  1. Pooled it
  2. Article
  3. Article
  4. Article
  5. Impact ofProceedings of the National Academy of Sciences of the United States of America · 2025
    Article
  6. Associations Between Klotho Levels,Schizophrenia bulletin open · 2025
    Article
  7. Role of Klotho Protein in Neuropsychiatric Disorders: A Narrative Review.Indian journal of clinical biochemistry : IJCB · 2023
    Review
  8. Article
  9. Review
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

9 authors at 3 institutions in 3 countries.

Clarisse F de VriesAberdeen Biomedical Imaging Centre, School of Medicine, Medical Sciences and Nutrition, University of Aberdeen, Foresterhill, Aberdeen, AB25 2ZD, UK.
Roger T StaffImaging Physics, Aberdeen Royal Infirmary, NHS Grampian, Foresterhill, Aberdeen, AB25 2ZD, UK. r.staff@nhs.net.
Kimberly G NobleTeachers College, Columbia University, New York, NY, 10027, USA.
Ryan L MuetzelDepartment of Child and Adolescent Psychiatry, Erasmus University Medical Centre, Rotterdam, Netherlands.
Meike W VernooijDepartment of Epidemiology, Erasmus University Medical Center, Rotterdam, Netherlands.
Tonya WhiteDepartment of Child and Adolescent Psychiatry, Erasmus University Medical Centre, Rotterdam, Netherlands.
Gordon D WaiterAberdeen Biomedical Imaging Centre, School of Medicine, Medical Sciences and Nutrition, University of Aberdeen, Foresterhill, Aberdeen, AB25 2ZD, UK.
Alison D MurrayAberdeen Biomedical Imaging Centre, School of Medicine, Medical Sciences and Nutrition, University of Aberdeen, Foresterhill, Aberdeen, AB25 2ZD, UK.
Pediatric Imaging, Neurocognition and Genetics Study
University of Aberdeen · GBErasmus MC · NLAberdeen Royal Infirmary · GB

Funding

Creating a Pediatric Imaging-Genomics Data ResourceRC2DA029475 · NIDA · UNIVERSITY OF CALIFORNIA, SAN DIEGO · PI CHANG, LINDA, DALE, ANDERS M · 2009 to 2011
$9.1M
Bundesministerium für Forschung und Technologie 01 AK 803 A-HBundesministerium für Forschung und Technologie 01 IG 07015 GNIDA NIH HHS RC2 DA029475ZonMw 91211021
6 · The paper itself

Abstract

Variation in the klotho gene is linked to differences in health outcomes: klotho allele KL-VS heterozygosity is associated with longevity, better cognition and greater right frontal grey matter volume in late life. Contradicting reports, however, suggest that KL-VS's effect on health might be age-dependent. Here we examine the relationship between KL-VS genotype, cognition and brain structure in childhood and adolescence. We hypothesized that KL-VS has early influences on cognitive and brain development. We investigated the associations of KL-VS carrier status with cognition and brain morphology in a cohort of 1387 children and adolescents aged 3-21 years, examining main effects and interactions between age, sex and socioeconomic circumstance. KL-VS had no main effect on either cognition or brain structure, though there was a significant KL-VS × age interaction for cognition (specifically executive function, attention, episodic memory, and general cognition), total grey matter and total brain volume. KL-VS heterozygotes had better cognition than non-carriers before age 11, but lower cognition after age 11. Heterozygotes had smaller brains than non-carriers did in early childhood. Sex moderated the association between KL-VS and white matter volume. Among girls, KL-VS heterozygotes had smaller white matter volumes than non-carriers. Among boys, heterozygotes had greater white matter volumes than non-carriers. However, a replication in a cohort of 2306 children aged 6-12 years showed no significant associations. In contrast to findings in late life, these results show that KL-VS does not have a main effect on cognition and brain structure. Furthermore, KL-VS's influence may depend on age and sex.

Indexed as

AdolescentAllelesBrainChildChild, PreschoolCognitionCohort StudiesFemaleGene FrequencyGenotypeGlucuronidaseHeterozygoteHumansKlotho ProteinsMalePolymorphism, GeneticGlucuronidaseKlotho ProteinsBrainCognitionDevelopmentKlothoPolymorphism

Identifiers

PMID30393836
PMCPMC6588504
OpenAlexW2900187345

What OpenQuestion holds

Textmetadata
LicenceCC BY
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.