Evidence map›Paper›PMID 25205991›Full record

ArticleAnnals of neurosciences2012

Effect of REM sleep deprivation on the antioxidant status in the brain of Wistar rats.

D C Mathangi, R Shyamala, A S Subhashini

Open access · greenAbstract read
In one paragraph

Article in Annals of neurosciences, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 23 papers.

0numbers the graph read from it
0cells of the map it votes in
23citing papers in PubMed
–field-weighted citation impact, top 88% 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

23 citing papers in PubMed, 56 citations in OpenAlex.

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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

3 authors at 1 institution in 1 country.

D C MathangiDepartment of Physiology Chettinad Hospital and Research Institute, Kelambakkam, Tamil Nadu 603 103;
R ShyamalaDepartment of Physiology Chettinad Hospital and Research Institute, Kelambakkam, Tamil Nadu 603 103;
A S SubhashiniSri Ramachandra University, Chennai, Tamil Nadu 600 116.
Chettinad Health City · IN

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundRapid eye movement [REM] sleep deprivation is a stressor. It results in a predictable syndrome of physiological changes in rats. It has been proposed that reactive oxygen species and the resulting oxidative stress may be responsible for some of the effects of sleep deprivation. PURPOSE: The present study was undertaken to investigate the reversible nature of the effects of 96 hours of REM sleep deprivation on lipid peroxidation and total reduced glutathione level in the hypothalamus, midbrain and hindbrain of Wistar strain rats.

methodsThe rats were deprived of REM sleep using the inverted flowerpot technique. All the animals were maintained in standard animal house condition with 12-h light and 12-h dark cycles. At the end of the stipulated time Jugular venous blood sample of 2 ml was collected under mild ether anesthesia for the assay of stress index, plasma corticosterone. Lipid peroxidation using thiobarbituric acid, total reduced glutathione using DTNB (GSH) were assayed in the brain regions dissected out.

resultsThis study showed that 96 hours of REM sleep deprivation results in increased lipid peroxidation and reduction in total reduced glutathione level in the discrete regions of brain studied. However following restorative sleep for 24 hours all the changes reverts back to base line value. This study shows that oxidative stress produced by 96 hours of REM sleep deprivation is reversible.

conclusionFrom this study it is clear that, REM sleep deprivation is a potent oxidative stressor. This could probably play a role in the behavioral and performance alteration seen in both experimental animals as well as humans following REM sleep deprivation. Further investigations in this line are needed to highlight the importance of REM sleep.

Indexed as

Free radicalsHindbrainHypothalamusMidbrainREM sleep

Identifiers

PMID25205991
PMCPMC4117056
OpenAlexW2050132033

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.