Evidence map›Paper›PMID 34017169›Full record

ArticleDrug design, development and therapy2021

Protective Effect of Lemon Peel Extract on Oxidative Stress in H9c2 Rat Heart Cell Injury.

Jun Wang, Yulin Zhai, Mingguang Ou, Yunfeng Bian, Chenglong Tang, Wanchao Zhang, Yujiao Cheng, Guijie Li

Open access · goldAbstract read
In one paragraph

Article in Drug design, development and therapy, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.

0numbers the graph read from it
0cells of the map it votes in
5citing papers in PubMed
3.7field-weighted citation impact, top 6% 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

5 citing papers in PubMed, 37 citations in OpenAlex.

  1. Article
  2. Article
  3. Molecules (Basel, Switzerland) · 2024
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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

8 authors at 3 institutions in 2 countries.

Jun WangCitrus Research Institute, Southwest University, Chongqing, People's Republic of China.
Yulin ZhaiCitrus Research Institute, Southwest University, Chongqing, People's Republic of China.
Mingguang OuGuang'an Nongfeng Agricultural Development Co., Ltd, Sichuan, People's Republic of China.
Yunfeng BianGuang'an Zheng Wang Agriculture Co., Ltd, Sichuan, People's Republic of China.
Chenglong TangYuanyang Hongtu Grapefruit Agricultural Technology Development Co., Ltd, Yunnan, People's Republic of China.
Wanchao ZhangChongqing Institute of Medicinal Plant Cultivation, Chongqing, People's Republic of China.
Yujiao ChengCitrus Research Institute, Southwest University, Chongqing, People's Republic of China.
Guijie LiCitrus Research Institute, Southwest University, Chongqing, People's Republic of China.ORCID 0000-0002-9701-4796
Southwest University · CNBuchang Pharma (China) · CNInstitute of Medicinal Plant Development · CN

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

aimLemon peel, a traditional Chinese medicine, was tested in this study for its novel application in inhibiting cellular oxidative stress, and the effect of lemon peel extract (LPE) on protecting H9c2 rat heart cells from oxidative stress was investigated.

methodsThe scavenging effects of LPE on 1,1-diphenyl-2-picryhydrazyl (DPPH) and 2,2'-azino-bis (3-ethylbenzthiazoline-6-sulfonic acid) (ABTS) free radicals were measured in extracellular experiments. The 3-(4,5-dimethyl-2-thiazolinyl)-2,5-diphenyl-2-h-tetrazolylammonium bromide (MTT) assay was used to detect the cell survival rate. The cell supernatant and intracellular oxidation-related indicators were detected by a kit, and the mRNA expression in H9c2 cells was detected by quantitative polymerase chain reaction (qPCR). The chemical substances of LPE were analyzed by high-performance liquid chromatography (HPLC).

resultsThe results showed that LPE exhibited better DPPH and ABTS free radical scavenging abilities than vitamin C. Compared with the cells in the normal state (control group), the cell survival rate in the model group decreased, and the level of lactate dehydrogenase (LDH) increased, the levels of superoxide dismutase (SOD), catalase (CAT), and glutathione (GSH) decreased, and the content of malondialdehyde (MDA) increased. Compared with the control group, the expression of Bcl-2-related X protein (Bax), caspase-3, nuclear factor erythroid 2-related factor 2 (Nrf2), and heme oxygenase-1 (HO-1) in the model group was increased, and the expression of B-cell lymphoma-2 (Bcl-2) was reduced. Compared with the model group, LPE treatment improved the cell survival rate, reduced the levels of LDH and MDA, increased the levels of SOD, CAT, and GSH, downregulated the expression of Bax, caspase-3, Nrf2 and HO-1, and upregulated the expression of Bcl-2. The composition analysis showed that LPE contained catechin, rutin, naringin, quercetin, and hesperidin.

conclusionThe results indicated that LPE could protect H9c2 cells from oxidative stress through five active components. LPE has the potential to be developed into natural medicine or health food for the inhibition of cell oxidative damage.

Indexed as

AnimalsBenzothiazolesBiphenyl CompoundsCell LineCell SurvivalCitrusFruitHeartOxidative StressPicratesPlant ExtractsProtective AgentsRatsSulfonic Acids1,1-diphenyl-2-picrylhydrazyl2,2'-azino-di-(3-ethylbenzothiazoline)-6-sulfonic acidBenzothiazolesBiphenyl CompoundsPicratesPlant ExtractsProtective AgentsSulfonic AcidsH9c2 rat heart cellHPLClemon peelmRNA expressionoxidative stress

Identifiers

PMID34017169
PMCPMC8131012
OpenAlexW3160523715

What OpenQuestion holds

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LicenceCC BY-NC
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.