Evidence map›Paper›PMID 29146111›Full record

ArticleBrain research2018

MicroRNA expression patterns in human anterior cingulate and motor cortex: A study of dementia with Lewy bodies cases and controls.

Peter T Nelson, Wang-Xia Wang, Sarah A Janse, Katherine L Thompson

Abstract read
In one paragraph

Article in Brain research, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 18 papers.

0numbers the graph read from it
0cells of the map it votes in
18citing papers in PubMed
–field-weighted citation impact
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

18 citing papers in PubMed.

  1. Article
  2. Review
  3. Article
  4. Review
  5. Article
  6. Review
  7. Review
  8. Review
  9. Article
  10. Article
  11. Article
  12. Review
  13. Sex-dependent effect ofDisease models & mechanisms · 2020
    Review
  14. Article
  15. Review
  16. Role of MicroRNAs in Parkinson's Disease.International journal of molecular sciences · 2019
    Review
  17. Article
  18. Non-coding RNA influences in dementia.Non-coding RNA research · 2018
    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

4 authors.

Peter T NelsonSanders-Brown Center on Aging, University of Kentucky, Lexington, KY 40536, USA; Department of Pathology, University of Kentucky, Lexington, KY 40536, USA. Electronic address: pnels2@email.uky.edu.
Wang-Xia WangSanders-Brown Center on Aging, University of Kentucky, Lexington, KY 40536, USA.
Sarah A JanseDepartment of Statistics, University of Kentucky, Lexington, KY 40536, USA.
Katherine L ThompsonDepartment of Statistics, University of Kentucky, Lexington, KY 40536, USA. Electronic address: katherine.thompson@uky.edu.

Funding

University of Kentucky Alzheimer's Disease Core Center - Biomarker CoreP30AG028383 · NIA · UNIVERSITY OF KENTUCKY · PI GOLD, BRIAN TIMOTHY, VAN ELDIK, LINDA J · 2006 to 2020
$23.3M
Modulation of microRNA pathways by gemfibrozil in predementia Alzheimer diseaseR01AG042419 · NIA · UNIVERSITY OF KENTUCKY · PI JICHA, GREGORY A, NELSON, PETER T. · 2013 to 2016
$1.6M
Sexually dimorphic miR-497 regulates alpha-synuclein and alpha-synucleinopathyR21NS085830 · NINDS · UNIVERSITY OF KENTUCKY · PI NELSON, PETER T. · 2013 to 2014
$411k
NIA NIH HHS P30 AG028383NIA NIH HHS R01 AG042419NINDS NIH HHS R21 NS085830
6 · The paper itself

Abstract

overviewMicroRNAs (miRNAs) have been implicated in neurodegenerative diseases including Parkinson's disease and Alzheimer's disease (AD). Here, we evaluated the expression of miRNAs in anterior cingulate (AC; Brodmann area [BA] 24) and primary motor (MO; BA 4) cortical tissue from aged human brains in the University of Kentucky AD Center autopsy cohort, with a focus on dementia with Lewy bodies (DLB).

methodsRNA was isolated from gray matter of brain samples with pathology-defined DLB, AD, AD + DLB, and low-pathology controls, with n = 52 cases initially included (n  = 23 with DLB), all with low (<4 h) postmortem intervals. RNA was profiled using Exiqon miRNA microarrays. Quantitative PCR for post hoc replication was performed on separate cases (n = 6 controls) and included RNA isolated from gray matter of MO, AC, primary somatosensory (BA 3), and dorsolateral prefrontal (BA 9) cortical regions.

resultsThe miRNA expression patterns differed substantially according to anatomic location: of the relatively highly-expressed miRNAs, 150/481 (31%) showed expression that was different between AC versus MO (at p < .05 following correction for multiple comparisons), most (79%) with higher expression in MO. A subset of these results were confirmed in qPCR validation focusing on miR-7, miR-153, miR-133b, miR-137, and miR-34a. No significant variation in miRNA expression was detected in association with either neuropathology or sex after correction for multiple comparisons.

conclusionA subset of miRNAs (some previously associated with α-synucleinopathy and/or directly targeting α-synuclein mRNA) were differentially expressed in AC and MO, which may help explain why these brain regions show differences in vulnerability to Lewy body pathology.

Indexed as

AgedAged, 80 and overFemaleGyrus CinguliHumansLewy Body DiseaseMaleMicroarray AnalysisMicroRNAsMotor CortexRNA, MessengerMicroRNAsRNA, MessengerBrainEpigeneticFrontalGendermiR-107miR-133miR-15miR-15/107miR-16NeuroanatomyNeuropathologyNoncodingSensorySynuclein

Identifiers

PMID29146111
PMCPMC5752138

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.