Evidence map›Paper›PMID 31654381›Full record

ArticleNeurotoxicity research2020

Neuroprotective Effect of Quercetin in Combination with Piperine Against Rotenone- and Iron Supplement-Induced Parkinson's Disease in Experimental Rats.

Shakshi Sharma, Khadga Raj, Shamsher Singh

Abstract read
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In one paragraph

Article in Neurotoxicity research, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 44 papers, 3 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
44citing papers in PubMed, 3 pooled it
7.8field-weighted citation impact, top 2% 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

44 citing papers in PubMed, 3 syntheses or guidelines pooled it, 97 citations in OpenAlex.

  1. Pooled it
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  3. Pooled it
  4. Review
  5. Article
  6. Article
  7. Review
  8. Article
  9. [Quercetin mitigates HIV-1 gp120-induced rat astrocyte neurotoxicityNan fang yi ke da xue xue bao = Journal of Southern Medical University · 2025
    Article
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  12. Review
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  16. Article
  17. Effect of Flavonoids against Parkinson's Disease.Central nervous system agents in medicinal chemistry · 2024
    Review
  18. Article
  19. 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

3 authors at 1 institution in 1 country.

Shakshi SharmaNeuroscience Division, Department of Pharmacology, ISF College of Pharmacy, Moga, Punjab, 142001, India.
Khadga RajNeuroscience Division, Department of Pharmacology, ISF College of Pharmacy, Moga, Punjab, 142001, India.
Shamsher SinghNeuroscience Division, Department of Pharmacology, ISF College of Pharmacy, Moga, Punjab, 142001, India. shamshersinghbajwa@gmail.com.ORCID http://orcid.org/0000-0002-2780-6632
Indo Soviet Friendship College of Pharmacy · IN

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Parkinson's disease (PD) is a neurodegenerative disorder caused by selective dopaminergic neuronal loss. Rotenone is a neurotoxin that selectively destroys dopaminergic neurons, leading to PD-like symptoms. Quercetin possesses antioxidant, anti-inflammatory, and neuroprotective properties but a major drawback is its low bioavailability. Therefore, the present study was designed to evaluate the neuroprotective effect of quercetin in combination with piperine against rotenone- and iron supplement-induced model of PD. Rotenone was administered at a dose of 1.5 mg/kg through an intraperitoneal route with iron supplement at a dose of 120 μg/g in diet from day 1 to day 28. Pre-treatment with quercetin (25 and 50 mg/kg, p.o.), piperine (2.5 mg/kg, p.o.) alone, quercetin (25 mg/kg, p.o.) in combination with piperine (2.5 mg/kg), and ropinirole (0.5 mg/kg, i.p.) was administered for 28 days 1 h prior to rotenone and iron supplement administration. All behavioral parameters were assessed on weekly basis. On the 29th day, all animals were sacrificed and striatum was isolated for biochemical (LPO, nitrite, GSH, mitochondrial complexes I and IV), neuroinflammatory (TNF-α, IL-1β, and IL-6), and neurotransmitter (dopamine, norepinephrine, serotonin, GABA, glutamate) estimation. Quercetin treatment attenuated rotenone- and iron supplement-induced motor deficits and biochemical and neurotransmitter alterations in experimental rats. However, combination of quercetin (25 mg/kg) with piperine (2.5 mg/kg) significantly enhanced its neuroprotective effect as compared with treatment with quercetin alone. The study concluded that combination of quercetin with piperine contributed to superior antioxidant, anti-inflammatory, and neuroprotective effect against rotenone- and iron supplement-induced PD in experimental rats.

Indexed as

AlkaloidsBenzodioxolesCorpus StriatumDietary SupplementsDrug SynergismElectron Transport Complex IElectron Transport Complex IVGlutathioneIndolesInterleukin-1betaInterleukin-6IronLipid PeroxidationNeuroprotective AgentsNeurotransmitter AgentsNitritesAlkaloidsBenzodioxolesElectron Transport Complex IElectron Transport Complex IVGlutathioneIL1B protein, ratIl6 protein, ratIndolesInterleukin-1betaInterleukin-6IronNeuroprotective AgentsNeurotransmitter AgentsNitritesPiperidinespiperinePolyunsaturated AlkamidesQuercetinropiniroleRotenoneTumor Necrosis Factor-alphaNeuroinflammatory markersNeurotransmittersParkinson’s diseasePiperineQuercetinRotenone

Identifiers

PMID31654381
OpenAlexW2981900312

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.