Evidence map›Paper›PMID 32377745›Full record

ArticleMolecular medicine reports2020

Dexmedetomidine alleviated sepsis‑induced myocardial ferroptosis and septic heart injury.

Chunyan Wang, Wenlin Yuan, Anmin Hu, Juan Lin, Zhengyuan Xia, Catherine F Yang, Yalan Li, Zhongjun Zhang

Open access · hybridAbstract read
In one paragraph

Article in Molecular medicine reports, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 155 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
155citing papers in PubMed, 1 pooled it
11.2field-weighted citation impact, top 1% 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

155 citing papers in PubMed, 1 synthesis or guideline pooled it, 233 citations in OpenAlex.

  1. Pooled it
  2. Trial
  3. Trial
  4. Review
  5. Ferroptosis as a target mechanism in heart and kidney disease.The Journal of clinical investigation · 2026
    Review
  6. Article
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  12. Article
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  14. The interactions of copper, glutamate, and cuproptosis: insights into brain health and Alzheimer's disease pathology.Biometals : an international journal on the role of metal ions in biology, biochemistry, and medicine · 2026
    Review
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95 more citing papers are in PubMed but not listed here.

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 4 institutions in 3 countries.

Chunyan WangDepartment of Anesthesiology, Shenzhen People's Hospital and Shenzhen Anesthesiology Engineering Center, The Second Clinical Medical College of Jinan University, Shenzhen, Guangdong 518000, P.R. China.
Wenlin YuanDepartment of Anesthesiology, Shenzhen People's Hospital and Shenzhen Anesthesiology Engineering Center, The Second Clinical Medical College of Jinan University, Shenzhen, Guangdong 518000, P.R. China.
Anmin HuDepartment of Anesthesiology, Shenzhen People's Hospital and Shenzhen Anesthesiology Engineering Center, The Second Clinical Medical College of Jinan University, Shenzhen, Guangdong 518000, P.R. China.
Juan LinDepartment of Anesthesiology, Shenzhen People's Hospital and Shenzhen Anesthesiology Engineering Center, The Second Clinical Medical College of Jinan University, Shenzhen, Guangdong 518000, P.R. China.
Zhengyuan XiaDepartment of Anesthesiology, The University of Hong Kong, Hong Kong, SAR, P.R. China.
Catherine F YangDepartment of Basic Sciences, College of Medicine, CA Northstate University, Elk Grove, CA 60009, USA.
Yalan LiDepartment of Anesthesiology, First Affiliated Hospital of Jinan University, Guangzhou, Guangdong 510000, P.R. China.
Zhongjun ZhangDepartment of Anesthesiology, Shenzhen People's Hospital and Shenzhen Anesthesiology Engineering Center, The Second Clinical Medical College of Jinan University, Shenzhen, Guangdong 518000, P.R. China.
Jinan University · CNCalifornia Northstate University · USFirst Affiliated Hospital of Jinan University · CNUniversity of Hong Kong · HK

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Cardiac dysfunction resulting from sepsis may cause significant morbidity and mortality, and ferroptosis plays a role in this pathology. Dexmedetomidine (Dex), a α2‑adrenergic receptor (α2‑AR) agonist exerts cardioprotective effects against septic heart dysfunction, but the exact mechanism is unknown. In the present study, sepsis was induced by cecal ligation and puncture (CLP) in male C57BL/6 mice. Dex and yohimbine hydrochloride (YOH), an α2‑AR inhibitor, were administered before inducing CLP. Then, 24 h after CLP, serum and heart tissue were collected to detect changes of troponin‑I (TN‑I), interleukin 6 (IL‑6), superoxide dismutase (SOD), malonaldehyde (MDA) and glutathione (GSH) levels, and iron release. Ferroptosis‑targeting proteins, apoptosis and inflammatory factors were assessed by western blotting or ELISA. It was found that, 24 h after CLP, TN‑I, a biomarker of myocardial injury, was significantly increased compared with the control group. Furthermore, the levels of MDA, 8‑hydroxy‑2'‑deoxyguanosine and the inflammatory factors IL‑6 and monocyte chemoattractant protein‑1 were also significantly increased. It was demonstrated that treatment with Dex reverted or attenuated these changes (CLP + Dex vs. CLP; P<0.05), but these protective effects of Dex were reversed by YOH. Moreover, CLP significantly decreased the protein expression levels of glutathione peroxidase 4 (GPX4), SOD and GSH. However, CLP increased expression levels of heme oxygenase‑1 (HO‑1), transferrin receptor, cleaved caspase 3, inducible nitric oxide synthase and gasdermin D, and iron concentrations. It was found that Dex reversed these changes, but YOH abrogated the protective effects of Dex (CLP + Dex + YOH vs. CLP + Dex; P<0.05). Therefore, the present results suggested that the attenuation of sepsis‑induced HO‑1 overexpression and iron concentration, and the reduction of ferroptosis via enhancing GPX4, may be the major mechanisms via which Dex alleviates sepsis‑induced myocardial cellular injury.

Indexed as

Adrenergic alpha-2 Receptor AgonistsAnimalsDexmedetomidineFerroptosisHeartHeart InjuriesMaleMice, Inbred C57BLMyocardiumSepsisAdrenergic alpha-2 Receptor AgonistsDexmedetomidineferroptosisglutathione peroxidase 4heartheme oxygenase-1sepsis

Identifiers

PMID32377745
PMCPMC7248514
OpenAlexW3023057222

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.