Evidence map›Paper›PMID 29121259›Full record

ArticleNeuro-oncology2018

Exercise ameliorates neurocognitive impairments in a translational model of pediatric radiotherapy.

Iman Sahnoune, Taeko Inoue, Shelli R Kesler, Shaefali P Rodgers, Omaima M Sabek, Steen E Pedersen, Janice A Zawaski, Katharine H Nelson, M Douglas Ris, J Leigh Leasure and 1 more

Open access · bronzeAbstract read
In one paragraph

Article in Neuro-oncology, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 17 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
17citing papers in PubMed, 1 pooled it
2.8field-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

17 citing papers in PubMed, 1 synthesis or guideline pooled it, 33 citations in OpenAlex.

  1. Pooled it
  2. Article
  3. Review
  4. Adulthood effects of developmental exercise in rats.Developmental psychobiology · 2024
    Article
  5. The association of environmental factors with neurocognitive outcomes in survivors of childhood acute lymphoblastic leukemia (ALL).Supportive care in cancer : official journal of the Multinational Association of Supportive Care in Cancer · 2023
    Article
  6. Neurotoxicity from Old and New Radiation Treatments for Brain Tumors.International journal of molecular sciences · 2023
    Review
  7. Article
  8. Article
  9. Article
  10. Brain Imaging in Pediatric Cancer Survivors: Correlates of Cognitive Impairment.Journal of clinical oncology : official journal of the American Society of Clinical Oncology · 2021
    Review
  11. Article
  12. Functional connectome biotypes of chemotherapy-related cognitive impairment.Journal of cancer survivorship : research and practice · 2020
    Article
  13. Article
  14. Shaping the adult brain with exercise during development: Emerging evidence and knowledge gaps.International journal of developmental neuroscience : the official journal of the International Society for Developmental Neuroscience · 2019
    Review
  15. Particle Radiation Induced Neurotoxicity in the Central Nervous System.International journal of particle therapy · 2018
    Review
  16. Article
  17. 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

11 authors at 5 institutions in 1 country.

Iman SahnouneDepartment of Psychology, University of Houston, Houston, Texas.
Taeko InoueDepartment of Pediatrics, Texas Children's Cancer Center, Dan L. Duncan Cancer Center, Baylor College of Medicine, Houston, Texas.
Shelli R KeslerDepartment of Neuro-Oncology, University of Texas MD Anderson Cancer Center, Houston, Texas.
Shaefali P RodgersDepartment of Psychology, University of Houston, Houston, Texas.
Omaima M SabekDepartment of Surgery, Houston Methodist Hospital, Houston, Texas.
Steen E PedersenDepartment of Molecular Physiology & Biophysics, Baylor College of Medicine, Houston, Texas.
Janice A ZawaskiDepartment of Pediatrics, Texas Children's Cancer Center, Dan L. Duncan Cancer Center, Baylor College of Medicine, Houston, Texas.
Katharine H NelsonDepartment of Pediatrics, Texas Children's Cancer Center, Dan L. Duncan Cancer Center, Baylor College of Medicine, Houston, Texas.
M Douglas RisDepartment of Pediatrics, Texas Children's Cancer Center, Dan L. Duncan Cancer Center, Baylor College of Medicine, Houston, Texas.
J Leigh LeasureDepartment of Psychology, University of Houston, Houston, Texas.
M Waleed GaberDepartment of Pediatrics, Texas Children's Cancer Center, Dan L. Duncan Cancer Center, Baylor College of Medicine, Houston, Texas.
Baylor College of Medicine · USChildren's Cancer Center · USUniversity of Houston · USMethodist Hospital · USThe University of Texas MD Anderson Cancer Center · US

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Background: While cranial radiation therapy (CRT) is an effective treatment, healthy areas surrounding irradiation sites are negatively affected. Frontal lobe functions involving attention, processing speed, and inhibition control are impaired. These deficits appear months to years after CRT and impair quality of life. Exercise has been shown to rejuvenate the brain and aid in recovery post-injury through its effects on neurogenesis and cognition. Methods: We developed a juvenile rodent CRT model that reproduces neurocognitive deficits. Next, we utilized the model to test whether exercise ameliorates these deficits. Fischer rats (31 days old) were irradiated with a fractionated dose of 4 Gy × 5 days, trained and tested at 6, 9, and 12 months post-CRT using 5-choice serial reaction time task. After testing, fixed rat brains were imaged using diffusion tensor imaging and immunohistochemistry. Results: CRT caused early and lasting impairments in task acquisition, accuracy, and latency to correct response, as well as causing stunting of growth and changes in brain volume and diffusion. Exercising after irradiation improved acquisition, behavioral control, and processing speed, mitigated the stunting of brain size, and increased brain fiber numbers compared with sedentary CRT values. Further, exercise partially restored global connectome organization, including assortativity and characteristic path length, and while it did not improve the specific regional connections that were lowered by CRT, it appeared to remodel these connections by increasing connectivity between alternate regional pairs. Conclusions: Our data strongly suggest that exercise may be useful in combination with interventions aimed at improving cognitive outcome following pediatric CRT.

Indexed as

Disease Models, AnimalAnimalsAnimals, NewbornBrainCognition DisordersCranial IrradiationDiffusion Tensor ImagingMaleNeurogenesisPhysical Conditioning, AnimalRatsRats, Inbred F344

Identifiers

PMID29121259
PMCPMC5892168
OpenAlexW2767569667

What OpenQuestion holds

Textmetadata
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.