Evidence map›Paper›PMID 31796109›Full record

ReviewOrphanet journal of rare diseases2019

Developmental hypomyelination in Wolfram syndrome: new insights from neuroimaging and gene expression analyses.

Amjad Samara, Rachel Rahn, Olga Neyman, Ki Yun Park, Ahmad Samara, Bess Marshall, Joseph Dougherty, Tamara Hershey

Open access · goldAbstract readReview
In one paragraph

Review in Orphanet journal of rare diseases, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 26 papers.

0numbers the graph read from it
0cells of the map it votes in
26citing papers in PubMed
1.4field-weighted citation impact, top 18% 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

26 citing papers in PubMed, 35 citations in OpenAlex.

  1. Deletion ofBiology · 2026
    Article
  2. Article
  3. Article
  4. Article
  5. Review
  6. Associations Between Diabetes Mellitus and Neurodegenerative Diseases.International journal of molecular sciences · 2025
    Review
  7. Article
  8. Article
  9. Brain development and bioenergetic changes.Neurobiology of disease · 2024
    Review
  10. Article
  11. Review
  12. Article
  13. Article
  14. Article
  15. Article
  16. Article
  17. Article
  18. Case report:Frontiers in genetics · 2022
    Article
  19. Urinary Tract Involvement in Wolfram Syndrome: A Narrative Review.International journal of environmental research and public health · 2021
    Review
  20. Article
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 2 institutions in 2 countries.

Amjad SamaraDepartment of Psychiatry, Washington University School of Medicine, 4525 Scott Avenue, St. Louis, MO, 63110, USA.
Rachel RahnDepartment of Psychiatry, Washington University School of Medicine, 4525 Scott Avenue, St. Louis, MO, 63110, USA.
Olga NeymanDepartment of Psychiatry, Washington University School of Medicine, 4525 Scott Avenue, St. Louis, MO, 63110, USA.
Ki Yun ParkDepartment of Psychiatry, Washington University School of Medicine, 4525 Scott Avenue, St. Louis, MO, 63110, USA.
Ahmad SamaraFaculty of Medicine and Health Sciences, An-Najah National University, Nablus, Palestine.
Bess MarshallDepartment of Pediatrics, Washington University Medical School, St. Louis, MO, 63110, USA.
Joseph DoughertyDepartment of Psychiatry, Washington University School of Medicine, 4525 Scott Avenue, St. Louis, MO, 63110, USA.
Tamara HersheyDepartment of Psychiatry, Washington University School of Medicine, 4525 Scott Avenue, St. Louis, MO, 63110, USA. tammy@wustl.edu.ORCID 0000-0001-7549-0698
Washington University in St. Louis · USAn-Najah National University · PS

Funding

WU INSTITUTE OF CLINICAL AND TRANSLATIONAL SCIENCESUL1TR002345 · NCATS · WASHINGTON UNIVERSITY · PI William G. Powderly · 2017 to 2026
$97.8M
Washington University Institute of Clinical and Translational Sciences (UL1)UL1RR024992 · NCRR · WASHINGTON UNIVERSITY · PI EVANOFF, BRADLEY A · 2007 to 2011
$45.4M
WU P&FP30DK020579 · NIDDK · WASHINGTON UNIVERSITY · PI Jennifer Lynn Powers Carson · 2013 to 2026
$27.1M
BIOMEDICAL RESEARCH TRAINING IN DRUG ABUSET32DA007261 · NIDA · WASHINGTON UNIVERSITY · PI ARPANA AGRAWAL, Jose A Moron-Concepcion · 1991 to 2026
$8.8M
Washington University Intellectual and Developmental Disabilities Research Center-Administrative Down Syndrome SupplementU54HD087011 · NICHD · WASHINGTON UNIVERSITY · PI MOLEY, KELLE H · 2015 to 2019
$7.1M
TRACKING NEURODEGENERATION IN EARLY WOLFRAM SYNDROMER01HD070855 · NICHD · WASHINGTON UNIVERSITY · PI HERSHEY, TAMARA G · 2012 to 2022
$5.6M
NCATS NIH HHS UL1 TR002345NCRR NIH HHS UL1 RR024992NICHD NIH HHS R01 HD070855NICHD NIH HHS U54 HD087011NIDA NIH HHS 5T32DA007261-27NIDDK NIH HHS P30 DK020579NIH HHS HD070855
6 · The paper itself

Abstract

Wolfram syndrome is a rare multisystem disorder caused by mutations in WFS1 or CISD2 genes leading to brain structural abnormalities and neurological symptoms. These abnormalities appear in early stages of the disease. The pathogenesis of Wolfram syndrome involves abnormalities in the endoplasmic reticulum (ER) and mitochondrial dynamics, which are common features in several other neurodegenerative disorders. Mutations in WFS1 are responsible for the majority of Wolfram syndrome cases. WFS1 encodes for an endoplasmic reticulum (ER) protein, wolframin. It is proposed that wolframin deficiency triggers the unfolded protein response (UPR) pathway resulting in an increased ER stress-mediated neuronal loss. Recent neuroimaging studies showed marked alteration in early brain development, primarily characterized by abnormal white matter myelination. Interestingly, ER stress and the UPR pathway are implicated in the pathogenesis of some inherited myelin disorders like Pelizaeus-Merzbacher disease, and Vanishing White Matter disease. In addition, exploratory gene-expression network-based analyses suggest that WFS1 expression occurs preferentially in oligodendrocytes during early brain development. Therefore, we propose that Wolfram syndrome could belong to a category of neurodevelopmental disorders characterized by ER stress-mediated myelination impairment. Further studies of myelination and oligodendrocyte function in Wolfram syndrome could provide new insights into the underlying mechanisms of the Wolfram syndrome-associated brain changes and identify potential connections between neurodevelopmental disorders and neurodegeneration.

Indexed as

AnimalsBrainEndoplasmic ReticulumHumansMembrane ProteinsNeuroimagingUnfolded Protein ResponseWolfram SyndromeCISD2 protein, humanMembrane Proteinswolframin proteinHypomyelinationNeurodegenerationNeurodevelopmentNeuroimagingUnfolded protein responseWFS1, endoplasmic reticulum stress

Identifiers

PMID31796109
PMCPMC6889680
OpenAlexW2992599295

What OpenQuestion holds

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LicenceCC BY
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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.