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Zhu XZ, Qiu Z, Lei SQ, Leng Y, Li WY, Xia ZY. The Role of P53 in Myocardial Ischemia-Reperfusion Injury. Cardiovasc Drugs Ther 2023:10.1007/s10557-023-07480-x. [PMID: 37389674 DOI: 10.1007/s10557-023-07480-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 06/09/2023] [Indexed: 07/01/2023]
Abstract
PURPOSE P53 is one of the key tumor suppressors. In normal cells, p53 is maintained at low levels by the ubiquitination of the ubiquitinated ligase MDM2. In contrast, under stress conditions such as DNA damage and ischemia, the interaction between p53 and MDM2 is blocked and activated by phosphorylation and acetylation, thereby mediating the trans-activation of p53 through its target genes to regulate a variety of cellular responses. Previous studies have shown that the expression of p53 is negligible in normal myocardium, tends to increase in myocardial ischemia and is maximally induced in ischemia-reperfused myocardium, demonstrating a possible key role of p53 in the development of MIRI. In this review, we detail and summarize recent studies on the mechanism of action of p53 in MIRI and describe the therapeutic agents targeting the relevant targets to provide new strategies for the prevention and treatment of MIRI. METHODS We collected 161 relevant papers mainly from Pubmed and Web of Science (search terms "p53" and "myocardial ischemia-reperfusion injury"). After that, we selected pathway studies related to p53 and classified them according to their contents. We eventually analyzed and summarized them. RESULTS AND CONCLUSION In this review, we detail and summarize recent studies on the mechanism of action of p53 in MIRI and validate its status as an important intermediate affecting MIRI. On the one hand, p53 is regulated and modified by multiple factors, especially non-coding RNAs; on the other hand, p53 regulates apoptosis, programmed necrosis, autophagy, iron death and oxidative stress in MIRI through multiple pathways. More importantly, several studies have reported medications targeting p53-related therapeutic targets. These medications are expected to be effective options for the alleviation of MIRI, but further safety and clinical studies are needed to convert them into clinical applications.
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Affiliation(s)
- Xi-Zi Zhu
- Department of Anesthesiology, Renmin Hospital of Wuhan University, 99 Zhang Zhidong Road, Wuhan, Hubei, 430060, People's Republic of China
| | - Zhen Qiu
- Department of Anesthesiology, Renmin Hospital of Wuhan University, 99 Zhang Zhidong Road, Wuhan, Hubei, 430060, People's Republic of China
| | - Shao-Qing Lei
- Department of Anesthesiology, Renmin Hospital of Wuhan University, 99 Zhang Zhidong Road, Wuhan, Hubei, 430060, People's Republic of China
| | - Yan Leng
- Department of Anesthesiology, Renmin Hospital of Wuhan University, 99 Zhang Zhidong Road, Wuhan, Hubei, 430060, People's Republic of China
| | - Wen-Yuan Li
- Department of Anesthesiology, Renmin Hospital of Wuhan University, 99 Zhang Zhidong Road, Wuhan, Hubei, 430060, People's Republic of China
| | - Zhong-Yuan Xia
- Department of Anesthesiology, Renmin Hospital of Wuhan University, 99 Zhang Zhidong Road, Wuhan, Hubei, 430060, People's Republic of China.
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He J, Liu D, Zhao L, Zhou D, Rong J, Zhang L, Xia Z. Myocardial ischemia/reperfusion injury: Mechanisms of injury and implications for management (Review). Exp Ther Med 2022; 23:430. [PMID: 35607376 PMCID: PMC9121204 DOI: 10.3892/etm.2022.11357] [Citation(s) in RCA: 70] [Impact Index Per Article: 35.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2021] [Accepted: 04/13/2022] [Indexed: 01/18/2023] Open
Abstract
Myocardial infarction is one of the primary causes of mortality in patients with coronary heart disease worldwide. Early treatment of acute myocardial infarction restores blood supply of ischemic myocardium and decreases the mortality risk. However, when the interrupted myocardial blood supply is recovered within a certain period of time, it causes more serious damage to the original ischemic myocardium; this is known as myocardial ischemia/reperfusion injury (MIRI). The pathophysiological mechanisms leading to MIRI are associated with oxidative stress, intracellular calcium overload, energy metabolism disorder, apoptosis, endoplasmic reticulum stress, autophagy, pyroptosis, necroptosis and ferroptosis. These interplay with one another and directly or indirectly lead to aggravation of the effect. In the past, apoptosis and autophagy have attracted more attention but necroptosis and ferroptosis also serve key roles. However, the mechanism of MIRI has not been fully elucidated. The present study reviews the mechanisms underlying MIRI. Based on current understanding of the pathophysiological mechanisms of MIRI, the association between cell death-associated signaling pathways were elaborated, providing direction for investigation of novel targets in clinical treatment.
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Affiliation(s)
- Jianfeng He
- Department of Anesthesiology, Affiliated Hospital of Guangdong Medical University, Zhanjiang, Guangdong 524000, P.R. China
| | - Danyong Liu
- Department of Anesthesiology, Affiliated Hospital of Guangdong Medical University, Zhanjiang, Guangdong 524000, P.R. China
| | - Lixia Zhao
- Department of Anesthesiology, The Eighth Affiliated Hospital of Sun Yat‑Sen University, Shenzhen, Guangdong 518033, P.R. China
| | - Dongcheng Zhou
- Department of Anesthesiology, Affiliated Hospital of Guangdong Medical University, Zhanjiang, Guangdong 524000, P.R. China
| | - Jianhui Rong
- Department of Internal Medicine, Shenzhen Institute of Research and Innovation, The University of Hong Kong, Shenzhen, Guangdong 518057, P.R. China
| | - Liangqing Zhang
- Department of Anesthesiology, Affiliated Hospital of Guangdong Medical University, Zhanjiang, Guangdong 524000, P.R. China
| | - Zhengyuan Xia
- Department of Anesthesiology, Affiliated Hospital of Guangdong Medical University, Zhanjiang, Guangdong 524000, P.R. China
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PSMB4 inhibits cardiomyocyte apoptosis via activating NF-κB signaling pathway during myocardial ischemia/reperfusion injury. J Mol Histol 2021; 52:693-703. [PMID: 33954843 DOI: 10.1007/s10735-021-09977-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2020] [Accepted: 04/22/2021] [Indexed: 01/16/2023]
Abstract
Myocardial ischemia/reperfusion (I/R) injury induces cardiomyocyte apoptosis to deteriorate heart function. Thus, how to inhibit cardiomyocyte apoptosis is the focus of recent researches. Proteasome family member PSMB4 (proteasome subunit beta type-4) promotes cell survival. The relationship between PSMB4 and cardiomyocyte apoptosis during myocardial I/R is unknown. In this study, PSMB4 expression increased in rat myocardial I/R model, positively correlated with cleaved caspase-3 expression, negatively correlated with Bcl-2 expression. In vitro, neonatal ventricle cardiomyocyte hypoxia/reoxygenation (H/R) model was constructed to mimic myocardial I/R. PSMB4 silence promoted cardiomyocyte apoptosis and IκBα expression, inhibited the activation of NF-κB. On the contrary, PSMB4 overexpession inhibited cardiomyocyte apoptosis and IκBα expression, promoted the activation of NF-κB. Additionally, PSMB4-IκBα interaction was identified, suggesting that PSMB4 might participate in the proteasome dependent degradation of IκBα. The data indicates that PSMB4 inhibits cardiomyocyte apoptosis via activating NF-κB signaling pathway during myocardial I/R, which can supply novel molecular target for the treatment of ischemic heart disease.
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Zhu C, Jiang Y, Zhu J, He Y, Yin H, Duan Q, Zhang L, Cao B, An X. CircRNA8220 Sponges MiR-8516 to Regulate Cell Viability and Milk Synthesis via Ras/MEK/ERK and PI3K/AKT/mTOR Pathways in Goat Mammary Epithelial Cells. Animals (Basel) 2020; 10:ani10081347. [PMID: 32759741 PMCID: PMC7459788 DOI: 10.3390/ani10081347] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2020] [Revised: 07/29/2020] [Accepted: 08/02/2020] [Indexed: 12/13/2022] Open
Abstract
Simple Summary Yield and quality of goat milk are important indexes for screening dairy goat breeds. Therefore, it is necessary for us to improve the yield and quality of goat milk. In this study, we demonstrated that circRNA8220/miR-8516/STC2 could promote the synthesis of β-casein and triglyceride through PI3K/AKT/mTOR pathway. In addition, we found that circRNA8220/miR-8516/STC2 also promote proliferation via Ras/MEK/ERK pathway in goat mammary epithelial cells (GMECs). These findings contribute to a better understanding of circRNA-controlled breast development and lactation mechanisms and provide new potential insights into the regulation of breast development and milk composition in dairy goats. Abstract Circular RNAs (circRNAs), which are considered a large class of endogenous noncoding RNAs, function as regulators in various biological procedures. In this study, the function and molecular mechanisms of circRNA8220 in goat mammary epithelial cells (GMECs) were explored. CircRNA8220 could spong miR-8516 and block the function of miR-8516 by binding to the target site of miR-8516 a negative feedback relationship existed between circRNA8220 and miR-8516. Stanniocalcin 2 (STC2) was a target gene of miR-8516. circRNA8220 could up-regulate the expression of STC2 by sponging miR-8516 in GMECs. circRNA8220/miR-8516/STC2 could promote proliferation and enhance the synthesis of β-casein and triglycerides (TG) via Ras/MEK/ERK and PI3K/AKT/mTOR signaling pathways, respectively.
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Wang Y, Liu C, Wang J, Zhang Y, Chen L. Iodine-131 induces apoptosis in human cardiac muscle cells through the p53/Bax/caspase-3 and PIDD/caspase-2/ t‑BID/cytochrome c/caspase-3 signaling pathway. Oncol Rep 2017; 38:1579-1586. [PMID: 28714021 DOI: 10.3892/or.2017.5813] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2016] [Accepted: 06/27/2017] [Indexed: 11/06/2022] Open
Abstract
The aim of this study was to elucidate the effects of iodine-131 on the induction of apoptosis in human cardiac muscle cells and the underlying molecular mechanisms. We found that iodine-131 reduced cell proliferation, induced apoptosis, induced p53, PIDD, t-BID (mitochondria) protein expression, suppressed cytochrome c (mitochondria) protein expression, and increased Bax protein expression, and promoted caspase-2, -3 and -9 expression levels in human cardiac muscle cells. Meanwhile, si-p53 inhibited the effects of iodine-131 on the reduction in cell proliferation and induction of apoptosis in human cardiac muscle cells through regulation of Bax/cytochrome c/caspase-3 and PIDD/caspase‑2/t-BID/cytochrome c/caspase-3 signaling pathway. After si-Bax reduced the effects of iodine-131, it reduced cell proliferation and induced apoptosis in human cardiac muscle cells through the cytochrome c/caspase-3 signaling pathway. However, si-caspase-2 also reduced the effects of iodine-131 on the reduction of cell proliferation and induction of apoptosis in human cardiac muscle cells through the t-BID/cytochrome c/caspase-3 signaling pathway. These findings demonstrated that iodine-131 induces apoptosis in human cardiac muscle cells through the p53/Bax/caspase-3 and PIDD/caspase-2/t-BID/cytochrome c/caspase-3 signaling pathway.
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Affiliation(s)
- Yansheng Wang
- Department of Nuclear Medicine, Central Hospital of Cangzhou, Cangzhou, Hebei 061001, P.R. China
| | - Changqing Liu
- Department of Nuclear Medicine, People's Hospital of Weifang, Weifang, Shandong 261041, P.R. China
| | - Jianchun Wang
- Department of Nuclear Medicine, Central Hospital of Cangzhou, Cangzhou, Hebei 061001, P.R. China
| | - Yang Zhang
- Department of Nuclear Medicine, Central Hospital of Cangzhou, Cangzhou, Hebei 061001, P.R. China
| | - Linlin Chen
- Department of Anesthesiology, Central Hospital of Cangzhou, Cangzhou, Hebei 061001, P.R. China
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Zhao S, Xia Y, Zhang F, Xiong Z, Li Y, Yan W, Chen X, Wang W, Wang H, Gao E, Lee Y, Li C, Wang S, Zhang L, Tao L. Nucleostemin dysregulation contributes to ischemic vulnerability of diabetic hearts: Role of ribosomal biogenesis. J Mol Cell Cardiol 2017; 108:106-113. [PMID: 28549781 DOI: 10.1016/j.yjmcc.2017.05.010] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/05/2017] [Revised: 04/29/2017] [Accepted: 05/22/2017] [Indexed: 01/20/2023]
Abstract
Diabetes is a major health problem worldwide. As well-known, diabetes greatly increases cardiac vulnerability to ischemia/reperfusion (I/R) injury, but the underlying mechanisms remain elusive. Nucleostemin (NS) is a nucleolar protein that controls ribosomal biogenesis and exerts cardioprotective effects against I/R injury. However, whether NS-mediated ribosomal biogenesis regulates ischemic vulnerability of diabetic hearts remains unanswered. Utilizing myocardial I/R mouse models, we found that cardiac NS expression significantly increased in response to I/R in normal diet (ND)-fed mice. Surprisingly, cardiac NS failed to be upregulated in high fat diet (HFD)-induced diabetic mice, accompanied by obvious ribosomal dysfunction. Compared with ND group, cardiac specific overexpression of NS by adenovirus (AV) injection significantly restored I/R-induced ribosomal function enhancement, reduced cardiomyocyte apoptosis, improved cardiac function, and decreased infarct sizes in diabetic mice. Notably, co-treatment of homoharringtonine (HHT), a selective inhibitor of ribosomal function, totally blocked NS-mediated cardioprotective effects against I/R injury. Furthermore, in cultured cardiomyocytes, saturated fatty acids treatment, but not high glucose exposure, significantly inhibited simulated I/R-induced NS upregulation and ribosomal function improvement. In conclusion, these data for the first time demonstrate that NS dysregulation induced by saturated fatty acids exposure might be an important cause of increased ischemic vulnerability to I/R injury in diabetic hearts. Targeting NS dysregulation and subsequent ribosomal dysfunction could be a promising therapeutic strategy for diabetic I/R injury management.
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Affiliation(s)
- Shihao Zhao
- Department of Cardiology, Xijing Hospital, the Fourth Military Medical University, China
| | - Yunlong Xia
- Department of Cardiology, Xijing Hospital, the Fourth Military Medical University, China
| | - Fuyang Zhang
- Department of Cardiology, Xijing Hospital, the Fourth Military Medical University, China; Department of Physiology, the Fourth Military Medical University, China; Department of Cardiology, the 201st Hospital of People's Liberation Army, China
| | - Zhenyu Xiong
- Department of Cardiology, Xijing Hospital, the Fourth Military Medical University, China
| | - Yueyang Li
- Department of Cardiology, Xijing Hospital, the Fourth Military Medical University, China
| | - Wenjun Yan
- Department of Cardiology, Xijing Hospital, the Fourth Military Medical University, China
| | - Xiyao Chen
- Department of Geriatrics, Xijing Hospital, the Fourth Military Medical University, China
| | - Wei Wang
- Department of Cardiology, Xijing Hospital, the Fourth Military Medical University, China
| | - Helin Wang
- Department of Cardiology, Xijing Hospital, the Fourth Military Medical University, China
| | - Erhe Gao
- Center for Translational Medicine, Temple University, United States
| | - Yan Lee
- Department of Cardiology, Xijing Hospital, the Fourth Military Medical University, China
| | - Congye Li
- Department of Cardiology, Xijing Hospital, the Fourth Military Medical University, China
| | - Shan Wang
- Department of Cardiology, Xijing Hospital, the Fourth Military Medical University, China
| | - Ling Zhang
- Department of Cardiology, Xijing Hospital, the Fourth Military Medical University, China
| | - Ling Tao
- Department of Cardiology, Xijing Hospital, the Fourth Military Medical University, China.
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