Evidence map›Paper›PMID 39972472›Full record

ArticleJournal of cardiothoracic surgery2025

Inhibition of mir-155-5p alleviates cardiomyocyte pyroptosis induced by hypoxia/reoxygenation via targeting SIRT1-mediated activation of the NLRP3 inflammasome.

Qiuyu Lu, Qingrong Shen, Jinmei Su, Xin Li, Bingyu Xia, Aicun Tang

Abstract read
In one paragraph

Article in Journal of cardiothoracic surgery, 2025. 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
–field-weighted citation impact
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.

  1. Review
  2. Review
  3. Review
  4. Review
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

6 authors.

Qiuyu LuDepartment of Pharmacy, People's Hospital of Guangxi Zhuang Autonomous Region, Nanning, 530021, China.
Qingrong ShenDepartment of Pharmacy, People's Hospital of Guangxi Zhuang Autonomous Region, Nanning, 530021, China.
Jinmei SuDepartment of Pharmacy, Mingxiu Branch of Guangxi International Zhuang Medicine Hospital, Nanning, 530001, China.
Xin LiGraduate School, Guangxi University of Chinese Medicine, Nanning, 530200, China.
Bingyu XiaGraduate School, Guangxi University of Chinese Medicine, Nanning, 530200, China.
Aicun TangGuangxi University of Chinese Medicine, No. 13 Wuhe Avenue, Qingxiu District, Nanning, 530200, Guangxi Zhuang Autonomous Region, China. tgf3218@163.com.

Funding

Natural Science Foundation of Guangxi 2023GXNSFBA026095Project of Guangxi Key Research and Development GuikeAB22035073
6 · The paper itself

Abstract

objectiveThe hypoxia/reoxygenation (H/R)-induced pyroptosis of cardiomyocytes plays a crucial role in the pathogenesis of myocardial infarction (MI). miR-155-5p represents a promising target for MI therapy. However, its involvement in H/R-induced pyroptosis remains unclear.

methodsThe H/R exposed rat cardiomyocyte H9c2 was utilized as in vitro model, and the expression levels of miR-155-5p and SIRT1 in cells were modulated through cell transfection experiments. Cell proliferative activity was assessed using the Cell counting kit-8 assay. Supernatant lactate dehydrogenase (LDH) activity was determined through colorimetry. The levels of living and dead cell were observed via Calcin-AM/PI staining. Levels of supernatant interleukin (IL)-1β and IL-18 were measured using ELISA assay. The expression levels of miR-155-5p and silent information regulator 1 (SIRT1) mRNA were detected by qRT-PCR. The protein expression levels of SIRT1, NLRP3, N-terminal gasdermin D (GSDMD-N), and Cleaved caspase-1 were evaluated using Western blot analysis. The targeted regulatory relationship between miR-155-5p and SIRT1 was verified using dual luciferase reporter gene assay.

resultsThe proliferation activity of H9c2 cells induced by H/R was attenuated, accompanied by severe injury, increased cell death, and the release of a substantial amount of pro-inflammatory cytokines IL-1β and IL-18. In addition, H/R stimulation resulted in the upregulation of miR-155-5p expression and downregulation of SIRT1 expression in H9c2 cells. Suppression of miR-155-5p or overexpression of SIRT1 exhibited ameliorative effects on H/R-induced cellular injury in H9c2 cells and inhibited NLRP3 inflammasome-mediated pyroptosis. The dual-luciferase assay confirmed the direct targeting of SIRT1 by miR-155-5p in H9c2 cells. Furthermore, partial reversal of the inhibitory effect of miR-155-5p inhibitor on H/R-induced NLRP3 inflammasome-mediated pyroptosis in H9c2 cells was observed upon interference with SIRT1 expression.

conclusionInhibition of miR-155-5p alleviates cardiomyocyte pyroptosis induced by H/R via targeting SIRT1-mediated activation of the NLRP3 inflammasome.

Indexed as

InflammasomesMicroRNAsMyocytes, CardiacNLR Family, Pyrin Domain-Containing 3 ProteinPyroptosisSirtuin 1AnimalsCell HypoxiaRatsInflammasomesMicroRNAsMIRN155 microRNA, ratNLR Family, Pyrin Domain-Containing 3 ProteinNlrp3 protein, ratSirt1 protein, ratSirtuin 1CardiomyocyteHypoxia/reoxygenationMyocardial infarctionNLRP3 inflammasomePyroptosis

Identifiers

PMID39972472
PMCPMC11837669

What OpenQuestion holds

Textmetadata
LicenceCC BY-NC-ND
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.