Evidence map›Paper›PMID 36297504›Full record

ArticlePharmaceutics2022

Post-Injury Buprenorphine Administration Is Associated with Long-Term Region-Specific Glial Alterations in Rats.

Jane Ryu, Pantea Jeizan, Saira Ahmed, Sareena Ehsan, Jefin Jose, Sean Regan, Karen Gorse, Corrina Kelliher, Audrey Lafrenaye

Open access · goldAbstract read
In one paragraph

Article in Pharmaceutics, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.

0numbers the graph read from it
0cells of the map it votes in
4citing papers in PubMed
0.7field-weighted citation impact, top 27% 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

4 citing papers in PubMed, 6 citations in OpenAlex.

  1. Article
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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

9 authors at 1 institution in 1 country.

Jane RyuDepartment of Anatomy and Neurobiology, Virginia Commonwealth University, Richmond, VA 23298, USA.
Pantea JeizanDepartment of Anatomy and Neurobiology, Virginia Commonwealth University, Richmond, VA 23298, USA.
Saira AhmedDepartment of Anatomy and Neurobiology, Virginia Commonwealth University, Richmond, VA 23298, USA.
Sareena EhsanDepartment of Anatomy and Neurobiology, Virginia Commonwealth University, Richmond, VA 23298, USA.
Jefin JoseDepartment of Anatomy and Neurobiology, Virginia Commonwealth University, Richmond, VA 23298, USA.ORCID 0000-0002-7925-3910
Sean ReganDepartment of Anatomy and Neurobiology, Virginia Commonwealth University, Richmond, VA 23298, USA.
Karen GorseDepartment of Anatomy and Neurobiology, Virginia Commonwealth University, Richmond, VA 23298, USA.
Corrina KelliherDepartment of Anatomy and Neurobiology, Virginia Commonwealth University, Richmond, VA 23298, USA.
Audrey LafrenayeDepartment of Anatomy and Neurobiology, Virginia Commonwealth University, Richmond, VA 23298, USA.ORCID 0000-0001-5986-2228
Virginia Commonwealth University · US

Funding

Intracranial pressure-mediated diffuse pathologies following traumatic brain injuryR01NS096143 · NINDS · VIRGINIA COMMONWEALTH UNIVERSITY · PI LAFRENAYE, AUDREY D · 2017 to 2021
$1.7M
NIH HHS R01NS096143NINDS NIH HHS R01 NS096143
6 · The paper itself

Abstract

Traumatic brain injury (TBI) is a major leading cause of death and disability. While previous studies regarding focal pathologies following TBI have been done, there is a lack of information concerning the role of analgesics and their influences on injury pathology. Buprenorphine (Bup), an opioid analgesic, is a commonly used analgesic in experimental TBI models. Our previous studies investigated the acute effects of Buprenorphine-sustained release-Lab (Bup-SR-Lab) on diffuse neuronal/glial pathology, neuroinflammation, cell damage, and systemic physiology. The current study investigated the longer-term chronic outcomes of Bup-SR-Lab treatment at 4 weeks following TBI utilizing a central fluid percussion injury (cFPI) model in adult male rats. Histological assessments of physiological changes, neuronal damage, cortical and thalamic cytokine expression, microglial and astrocyte morphological changes, and myelin alterations were done, as we had done in our acute study. In the current study the Whisker Nuisance Task (WNT) was also performed pre- and 4w post-injury to assess changes in somatosensory sensitivity following saline or Bup-SR-Lab treatment. Bup-SR-Lab treatment had no impact on overall physiology or neuronal damage at 4w post-injury regardless of region or injury, nor did it have any significant effects on somatosensory sensitivity. However, greater IL-4 cytokine expression with Bup-SR-Lab treatment was observed compared to saline treated animals. Microglia and astrocytes also demonstrated region-specific morphological alterations associated with Bup-SR-Lab treatment, in which cortical microglia and thalamic astrocytes were particularly vulnerable to Bup-mediated changes. There were discernable injury-specific and region-specific differences regarding myelin integrity and changes in specific myelin basic protein (MBP) isoform expression following Bup-SR-Lab treatment. This study indicates that use of Bup-SR-Lab could impact TBI-induced glial alterations in a region-specific manner 4w following diffuse brain injury.

Indexed as

astrocytebuprenorphineBup-SR-Labmembrane disruptionmicrogliamyelinsomatosensory sensitivitytraumatic brain injury

Identifiers

PMID36297504
PMCPMC9607339
OpenAlexW4297515904

What OpenQuestion holds

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LicenceCC BY
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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.