Evidence map›Paper›PMID 37000367›Full record

ArticleCardiovascular drugs and therapy2024

Epigallocatechin-3-Gallate Inhibits Atrial Fibrosis and Reduces the Occurrence and Maintenance of Atrial Fibrillation and its Possible Mechanisms.

Tao Li, Qi Tong, Zhengjie Wang, Ziqi Yang, Yiren Sun, Jie Cai, Qiyue Xu, Yuan Lu, Xuemei Liu, Ke Lin and 1 more

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Article in Cardiovascular drugs and therapy, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.

0numbers the graph read from it
0cells of the map it votes in
7citing papers in PubMed
2.0field-weighted citation impact, top 14% 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

7 citing papers in PubMed, 8 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

11 authors at 4 institutions in 1 country.

Tao Li *Department of Cardiovascular Surgery, West China Hospital, Sichuan University, Chengdu, China.
Qi Tong *Department of Cardiovascular Surgery, West China Hospital, Sichuan University, Chengdu, China.
Zhengjie WangDepartment of Cardiovascular Surgery, West China Hospital, Sichuan University, Chengdu, China.
Ziqi YangWest China Medical School /West China Hospital, Sichuan University, Chengdu, China.
Yiren SunWest China Medical School /West China Hospital, Sichuan University, Chengdu, China.
Jie CaiDepartment of Cardiovascular Surgery, West China Hospital, Sichuan University, Chengdu, China.
Qiyue XuDepartment of Clinical Medicine, Mudanjiang Medical University, Mudanjiang, Heilongjiang, China.
Yuan LuDepartment of Cardiology, The Affiliated Hospital of Xuzhou Medical University, Xuzhou, China.
Xuemei LiuChinese Journal of Thoracic and Cardiovascular Surgery, West China Hospital Press, West China Hospital, Sichuan University, Chengdu, China.
Ke LinDepartment of Cardiovascular Surgery, West China Hospital, Sichuan University, Chengdu, China.
Yongjun QianDepartment of Cardiovascular Surgery, West China Hospital, Sichuan University, Chengdu, China. qianyongjun@scu.edu.cn.ORCID 0000-0002-6036-3503
Sichuan University · CNWest China Medical Center of Sichuan University · CNMudanjiang Medical University · CNXuzhou Medical College · CN

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundAtrial fibrosis is one of the main causes of the onset and recurrence of atrial fibrillation (AF), for which there is no effective treatment. The aim of this study was to investigate the effect and mechanism of epigallocatechin-3-gallate (EGCG) on AF in rats.

methodsThe rat model of AF was established by rapid pacing induction after angiotensin-II (Ang-II) induced atrial fibrosis to verify the relationship between atrial fibrosis and the AF. The expression levels of TGF-β/Smad3 pathway molecules and lysyl oxidase (LOX) in AF were detected. Subsequently, EGCG was used to intervene Ang-II-induced atrial fibrosis to explore the role of EGCG in the treatment of AF and its inhibitory mechanism on fibrosis. It was further verified that EGCG inhibited the production of collagen and the expression of LOX through the TGF-β/Smad3 pathway at the cellular level.

resultsThe results showed that the induction rate and maintenance time of AF in rats increased with the increase of the degree of atrial fibrosis. Meanwhile, the expressions of Col I, Col III, molecules related to TGF-β/Smad3 pathway, and LOX increased significantly in the atrial tissues of rats in the Ang-II induced group. EGCG could reduce the occurrence and maintenance time of AF by inhibiting the degree of Ang-induced rat atrial fibrosis. Cell experiments confirmed that EGCG could reduce the synthesis of collagen and the expression of LOX in cardiac fibroblast induced by Ang-II. The possible mechanism is to down-regulate the expression of genes and proteins related to the TGF-β/Smad3 pathway.

conclusionEGCG could downregulate the expression levels of collagen and LOX by inhibiting the TGF-β/Smad3 signaling pathway, alleviating Ang-II-induced atrial fibrosis, which in turn inhibited the occurrence and curtailed the duration of AF.

Indexed as

Atrial FibrillationCatechinFibrosisHeart AtriaProtein-Lysine 6-OxidaseRats, Sprague-DawleySignal TransductionSmad3 ProteinTransforming Growth Factor betaAngiotensin IIAnimalsAntifibrotic AgentsCollagenDisease Models, AnimalMaleRatsAngiotensin IIAntifibrotic AgentsCatechinCollagenepigallocatechin gallateProtein-Lysine 6-OxidaseSmad3 ProteinSmad3 protein, ratTransforming Growth Factor betaAngiotensin IIAtrial fibrillationAtrial fibrosisEpigallocatechin-3-gallateLysyl oxidase

Identifiers

PMID37000367
OpenAlexW4362457886

What Socratic 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 Socratic graph.