Evidence map›Paper›PMID 24190542›Full record

ArticleNaunyn-Schmiedeberg's archives of pharmacology2014

Downregulation of miR-133 via MAPK/ERK signaling pathway involved in nicotine-induced cardiomyocyte apoptosis.

Lu Wang, Xuelian Li, Yuhong Zhou, Hui Shi, Chaoqian Xu, Hua He, Shuxuan Wang, Xuehui Xiong, Yong Zhang, Zhimin Du and 4 more

Abstract read
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In one paragraph

Article in Naunyn-Schmiedeberg's archives of pharmacology, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 30 papers.

0numbers the graph read from it
0cells of the map it votes in
30citing papers in PubMed
2.1field-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

30 citing papers in PubMed, 48 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

14 authors at 2 institutions in 1 country.

Lu WangDepartment of Pharmacology (the State-Province Key Laboratories of Biomedicine-Pharmaceutics of China, Key Laboratory of Cardiovascular Research, Ministry of Education), Harbin Medical University, No.157 Baojian Road, Harbin, Heilongjiang Province, 150081, People's Republic of China.
Xuelian Li
Yuhong Zhou
Hui Shi
Chaoqian Xu
Hua He
Shuxuan Wang
Xuehui Xiong
Yong Zhang
Zhimin Du
Ruixue Zhang
Yanjie Lu
Baofeng Yang
Hongli Shan
Harbin Medical University · CNSecond Affiliated Hospital of Harbin Medical University · CN

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Tobacco smoking is a risk factor for many diseases, and nicotine is a major component of tobacco. Our previous work revealed that nicotine can induce myocardial fibrosis. This study aimed to investigate whether nicotine can induce cardiomyocyte apoptosis and to explore the mechanisms involved. Cardiomyocytes were exposed to different nicotine concentrations for 48 h. MTT assay showed that the viability of cardiomyocytes was significantly inhibited by nicotine in a dose- and time-dependent manner. Loss of mitochondrial membrane potential, nuclear and DNA defragmentation determined by TUNEL and ELISA assays, and morphological alterations all revealed the pro-apoptotic property of nicotine. Meanwhile, miR-133, a muscle-specific microRNA, was markedly downregulated by nicotine. Consistently, caspase-9, a target gene for miR-133, was significantly upregulated, leading to an increase in caspase-3, in nicotine-treated cardiomyocytes compared to non-treated cells. Furthermore, ERK1/2 protein levels were considerably downregulated, along with reduction of serum response factor (SRF), which is a downstream target protein of ERK1/2 and an upstream transactivator of miR-133 as well. Our findings therefore revealed that inhibition of the ERK1/2-SRF-miR-133 signaling pathway to increase caspases-9 and -3 is a novel mechanism for nicotine to induce cardiomyocyte apoptosis and these tobacco smokers.

Indexed as

AnimalsAnimals, NewbornApoptosisCaspase 3Caspase 9Cells, CulturedCell SurvivalDown-RegulationHEK293 CellsHumansMAP Kinase Signaling SystemMembrane Potential, MitochondrialMicroRNAsMyocytes, CardiacNicotineRatsCaspase 3Caspase 9MicroRNAsMIRN133 microRNA, ratNicotineSerum Response Factor

Identifiers

PMID24190542
OpenAlexW1963603574

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.