Evidence map›Paper›PMID 36946337›Full record

ArticleBiomolecules & biomedicine2023

Exogenous spermidine alleviates diabetic cardiomyopathy via suppressing reactive oxygen species, endoplasmic reticulum stress, and Pannexin-1-mediated ferroptosis.

Jian Sun, Jiyu Xu, Yong Liu, Yitong Lin, Fengge Wang, Yue Han, Shumin Zhang, Xiaoyan Gao, Changqing Xu, Hui Yuan

Open access · diamondAbstract read
In one paragraph

Article in Biomolecules & biomedicine, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 21 papers.

0numbers the graph read from it
0cells of the map it votes in
21citing papers in PubMed
4.4field-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

21 citing papers in PubMed, 17 citations in OpenAlex.

  1. Review
  2. Article
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  5. Review
  6. Review
  7. Pannexins in the vasculature.American journal of physiology. Heart and circulatory physiology · 2025
    Review
  8. Review
  9. Review
  10. Obesity accelerates cardiovascular ageing.European heart journal · 2025
    Review
  11. Article
  12. Review
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  14. Article
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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

10 authors at 3 institutions in 1 country.

Jian SunSchool of Basic Medical Sciences, Mudanjiang Medical University, Mudanjiang, China.
Jiyu XuSchool of Medical Imaging, Mudanjiang Medical University, Mudanjiang, China.
Yong LiuAnimal Research Institute, Research Department, Mudanjiang Medical University, Mudanjiang, China.
Yitong LinSchool of Basic Medical Sciences, Mudanjiang Medical University, Mudanjiang, China.
Fengge WangThe Fifth Affiliated Hospital of Southern Medical University, Guangzhou, China.
Yue HanSchool of Basic Medical Sciences, Mudanjiang Medical University, Mudanjiang, China.
Shumin ZhangSchool of Stomatology, Mudanjiang Medical University, Mudanjiang, China.
Xiaoyan GaoSchool of Basic Medical Sciences, Mudanjiang Medical University, Mudanjiang, China.
Changqing XuDepartment of Pathophysiology, Harbin Medical University, Harbin, China.
Hui YuanSchool of Basic Medical Sciences, Mudanjiang Medical University, Mudanjiang, China; School of Stomatology, Mudanjiang Medical University, Mudanjiang, China.
Mudanjiang Medical University · CNHarbin Medical University · CNThird Affiliated Hospital of Southern Medical University · CN

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Diabetic cardiomyopathy (DCM) is a serious complication and death cause of diabetes mellitus (DM). Recent cardiology studies suggest that spermidine (SPD) has cardioprotective effects. Here, we verified the hypothesis of SPD's protective effects on DCM. Therefore, db/db mice and primary neonatal mouse cardiomyocytes were used to observe the effects of SPD. Immunoblotting showed that ornithine decarboxylase (ODC) and SPD/spermine N1-acetyltransferase (SSAT) were downregulated and upregulated in the myocardium of db/db mice, respectively. We found that diabetic mice showed cardiac dysfunction in 12 weeks. Conversely, exogenous SPD could improve cardiac functions and reduce the deposition of collagens, myocardial damage, reactive oxygen species (ROS) levels, and endoplasmic reticulum stress (ERS) in diabetic mouse hearts. Our results also demonstrated that cardiomyocytes displayed ferroptosis and then activated Pannexin-1 expression, which resulted in the increase of the extracellular adenosine triphosphate (ATP). Subsequently, increased ATP as a paracrine molecule combined to purinergic receptor P2X7 to activate ERK1/2 signaling pathway in cardiomyocytes and activated NCOA4-mediated ferroptinophagy to promote lipid peroxidation and ferroptosis. Interestingly, SPD could reverse these molecular processes. Our findings indicate an important new mechanism for DCM and suggest that SPD has potential applicability to protect against deterioration of cardiac function with DCM.

Indexed as

Diabetes Mellitus, ExperimentalDiabetic CardiomyopathiesFerroptosisAnimalsEndoplasmic Reticulum StressMiceReactive Oxygen SpeciesSpermidineReactive Oxygen SpeciesSpermidine

Identifiers

PMID36946337
PMCPMC10494846
OpenAlexW4327761942

What OpenQuestion holds

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LicenceCC BY
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.