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Zhang Z, Dalan R, Hu Z, Wang JW, Chew NW, Poh KK, Tan RS, Soong TW, Dai Y, Ye L, Chen X. Reactive Oxygen Species Scavenging Nanomedicine for the Treatment of Ischemic Heart Disease. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2022; 34:e2202169. [PMID: 35470476 DOI: 10.1002/adma.202202169] [Citation(s) in RCA: 34] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/08/2022] [Revised: 04/08/2022] [Indexed: 06/14/2023]
Abstract
Ischemic heart disease (IHD) is the leading cause of disability and mortality worldwide. Reactive oxygen species (ROS) have been shown to play key roles in the progression of diabetes, hypertension, and hypercholesterolemia, which are independent risk factors that lead to atherosclerosis and the development of IHD. Engineered biomaterial-based nanomedicines are under extensive investigation and exploration, serving as smart and multifunctional nanocarriers for synergistic therapeutic effect. Capitalizing on cell/molecule-targeting drug delivery, nanomedicines present enhanced specificity and safety with favorable pharmacokinetics and pharmacodynamics. Herein, the roles of ROS in both IHD and its risk factors are discussed, highlighting cardiovascular medications that have antioxidant properties, and summarizing the advantages, properties, and recent achievements of nanomedicines that have ROS scavenging capacity for the treatment of diabetes, hypertension, hypercholesterolemia, atherosclerosis, ischemia/reperfusion, and myocardial infarction. Finally, the current challenges of nanomedicines for ROS-scavenging treatment of IHD and possible future directions are discussed from a clinical perspective.
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Affiliation(s)
- Zhan Zhang
- Cancer Centre and Institute of Translational Medicine, Faculty of Health Sciences, University of Macau, Taipa, Macau SAR, 999078, China
| | - Rinkoo Dalan
- Department of Endocrinology, Tan Tock Seng Hospital, Lee Kong Chian School of Medicine, Nanyang Technological University, Singapore, 408433, Singapore
| | - Zhenyu Hu
- Department of Physiology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, 117597, Singapore
| | - Jiong-Wei Wang
- Department of Physiology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, 117597, Singapore
- Cardiovascular Research Institute, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, 117597, Singapore
- Department of Diagnostic Radiology and Department of Surgery, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, 117597, Singapore
- Nanomedicine Translational Research Programme, Centre for NanoMedicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, 117597, Singapore
| | - Nicholas Ws Chew
- Department of Cardiology, National University Heart Centre, National University Hospital, Singapore, 119074, Singapore
| | - Kian-Keong Poh
- Department of Cardiology, National University Heart Centre, National University Hospital, Singapore, 119074, Singapore
| | - Ru-San Tan
- Department of Cardiology, National Heart Centre Singapore, Singapore, 119609, Singapore
| | - Tuck Wah Soong
- Department of Physiology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, 117597, Singapore
| | - Yunlu Dai
- Cancer Centre and Institute of Translational Medicine, Faculty of Health Sciences, University of Macau, Taipa, Macau SAR, 999078, China
- MoE Frontiers Science Center for Precision Oncology, University of Macao, Taipa, Macau SAR, 999078, China
| | - Lei Ye
- Department of Biomedical Engineering, University of Alabama at Birmingham, Birmingham, AL, 35294, USA
| | - Xiaoyuan Chen
- Department of Diagnostic Radiology and Department of Surgery, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, 117597, Singapore
- Nanomedicine Translational Research Programme, Centre for NanoMedicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, 117597, Singapore
- Department of Chemical and Biomolecular Engineering and Department of Biomedical Engineering, Faculty of Engineering, National University of Singapore, Singapore, 117597, Singapore
- Clinical Imaging Research Centre, Centre for Translational Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, 117597, Singapore
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Carbon Monoxide-Saturated Polymerized Placenta Hemoglobin Optimizes Mitochondrial Function and Protects Heart Against Ischemia-Reperfusion Injury. J Cardiovasc Pharmacol 2021; 77:814-821. [PMID: 34001725 DOI: 10.1097/fjc.0000000000001022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/25/2021] [Accepted: 03/05/2021] [Indexed: 02/05/2023]
Abstract
ABSTRACT Ischemia-reperfusion (I-R) injury is detrimental to cardiovascular system. This study was designed to investigate whether carbon monoxide-saturated polymerized human placenta hemoglobin (CO-PolyPHb) attenuates cardiac I-R injury and to elucidate the underlying mechanism(s). Sixty male adult Sprague-Dawley rats were randomly divided into 6 groups: saline + sham group, PolyPHb + sham group, CO-PolyPHb + sham group, saline + I-R group, PolyPHb + I-R group, and CO-PolyPHb + I-R group. Rats were pretreated with injection of PolyPHb, CO-PolyPHb (0.5 g Hb/kg/d), or an equivalent volume of saline via caudal vein for 3 days. After pretreatment, hearts were isolated Langendorff perfused and subjected to 30-minute no-flow ischemia and 120-minute reperfusion. As compared with the saline + I-R group, pretreatment with CO-PolyPHb greatly improved the recovery of cardiac function, reduced infarct size, and suppressed the release of cardiac enzyme. Importantly, CO-PolyPHb showed more prominent cardioprotective effect than PolyPHb, exhibiting a promising therapeutic potential in cardiac I-R injury. Further study demonstrated that CO-PolyPHb activated molecular signaling toward mitophagy and significantly elevated the mitochondrial respiratory function in the heart. In addition, CO-PolyPHb upregulated the phosphorylation of the proteins in insulin signaling pathway and increased the glucose uptake rate in cardiomyocytes. Pharmacological inhibition of this pathway by wortmannin abrogated the anti-I-R effect of CO-PolyPHb. In conclusion, using an isolated rat heart model, we have demonstrated that pretreatment with CO-PolyPHb provided protective effect against cardiac I-R injury, and this protection was mediated by the improvement of mitochondrial function and activation of insulin signaling pathway in the heart.
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Wang J, Toan S, Zhou H. New insights into the role of mitochondria in cardiac microvascular ischemia/reperfusion injury. Angiogenesis 2020; 23:299-314. [PMID: 32246225 DOI: 10.1007/s10456-020-09720-2] [Citation(s) in RCA: 188] [Impact Index Per Article: 47.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2020] [Accepted: 03/30/2020] [Indexed: 12/19/2022]
Abstract
As reperfusion therapies have become more widely used in acute myocardial infarction patients, ischemia-induced myocardial damage has been markedly reduced, but reperfusion-induced cardiac injury has become increasingly evident. The features of cardiac ischemia-reperfusion (I/R) injury include microvascular perfusion defects, platelet activation and sequential cardiomyocyte death due to additional ischemic events at the reperfusion stage. Microvascular obstruction, defined as a no-reflow phenomenon, determines the infarct zone, myocardial function and peri-operative mortality. Cardiac microvascular endothelial cell injury may occur much earlier and with much greater severity than cardiomyocyte injury. Endothelial cells contain fewer mitochondria than other cardiac cells, and several of the pathological alterations during cardiac microvascular I/R injury involve mitochondria, such as increased mitochondrial reactive oxygen species (mROS) levels and disturbed mitochondrial dynamics. Although mROS are necessary physiological second messengers, high mROS levels induce oxidative stress, endothelial senescence and apoptosis. Mitochondrial dynamics, including fission, fusion and mitophagy, determine the shape, distribution, size and function of mitochondria. These adaptive responses modify extracellular signals and orchestrate intracellular processes such as cell proliferation, migration, metabolism, angiogenesis, permeability transition, adhesive molecule expression, endothelial barrier function and anticoagulation. In this review, we discuss the involvement of mROS and mitochondrial morphofunction in cardiac microvascular I/R injury.
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Affiliation(s)
- Jin Wang
- Chinese PLA General Hospital, Medical School of Chinese PLA, Beijing, 100853, China
| | - Sam Toan
- Department of Chemical Engineering, University of Minnesota-Duluth, Duluth, MN, 55812, USA
| | - Hao Zhou
- Chinese PLA General Hospital, Medical School of Chinese PLA, Beijing, 100853, China. .,Department of Cardiology, The First Medical Center, Chinese PLA General Hospital, Beijing, 100853, China.
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Xiao HL, Zhao LX, Yang J, Tong N, An L, Liu QT, Xie MR, Li CS. Imbalance of angiotensin-converting enzymes affects myocardial apoptosis during cardiac arrest induced by acute pulmonary embolism in a porcine model. Int J Mol Med 2019; 43:1575-1584. [PMID: 30816437 PMCID: PMC6414161 DOI: 10.3892/ijmm.2019.4109] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2017] [Accepted: 01/15/2019] [Indexed: 12/15/2022] Open
Abstract
Acute pulmonary embolism (APE) with cardiac arrest (CA) is associated with a high mortality rate. Even upon return of the spontaneous circulation (ROSC), APE‑CA survivors are prone to myocardial cell apoptosis, a key cellular mechanism that induces heart failure. A recent study by our group discovered a post‑resuscitation imbalance in the serum angiotensin‑converting enzyme (ACE)2/ACE axis of the renin‑angiotensin system (RAS), as well as regressive cardiac function in a porcine model of APE‑CA. However, it has remained elusive how this imbalance in the ACE2/ACE axis affects myocardial cell apoptosis. In the present study, western blot and immunohistochemical analyses demonstrated that the RAS was only activated in the left myocardium, as evidenced by a decreased ACE2/ACE ratio following APE‑CA and ROSC, but not the right myocardium. Ultrastructural analysis confirmed myocardial apoptosis in the left and right myocardium. Furthermore, B‑cell lymphoma 2 (Bcl‑2)‑associated X protein (Bax) and caspase‑3 levels were elevated and Bcl‑2 levels were decreased in the left myocardium following APE‑CA and ROSC. Treatment with the ACE inhibitor captopril for 30 min after initiation of ROSC prevented the increase in Bax and the decrease in Bcl‑2 in the left myocardium compared with that in saline‑treated pigs. Captopril also inhibited the activation of extracellular signal‑regulated kinase (ERK)1/2 in the left myocardium. The results of the present study suggest that an imbalance in the ACE2/ACE axis has an important role in myocardial apoptosis following APE‑CA, which may be attributed to decreased ERK1/2 activation. In addition, it was indicated that captopril prevents apoptosis in the left myocardium after ROSC.
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Affiliation(s)
- Hong-Li Xiao
- Department of Emergency Medicine, Beijing Friendship Hospital, Capital Medical University, Beijing 100050
| | | | - Jun Yang
- Department of Emergency Medicine
| | - Nan Tong
- Department of Emergency Medicine
| | - Le An
- Department of Emergency Medicine
| | - Qi-Tong Liu
- Departments of Radiology, Beijing Chao-Yang Hospital, Capital Medical University, Beijing 100020, P.R. China
| | - Miao-Rong Xie
- Department of Emergency Medicine, Beijing Friendship Hospital, Capital Medical University, Beijing 100050
- Correspondence to: Professor Chun-Sheng Li or Professor Miao-Rong Xie, Department of Emergency Medicine, Beijing Friendship Hospital, Capital Medical University, 95 Yongan Road, Xicheng, Beijing 100050, P.R. China, E-mail: , E-mail:
| | - Chun-Sheng Li
- Department of Emergency Medicine, Beijing Friendship Hospital, Capital Medical University, Beijing 100050
- Correspondence to: Professor Chun-Sheng Li or Professor Miao-Rong Xie, Department of Emergency Medicine, Beijing Friendship Hospital, Capital Medical University, 95 Yongan Road, Xicheng, Beijing 100050, P.R. China, E-mail: , E-mail:
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Deng Y, Chen G, Zhou R, Wu W, You Z, Meng W, Yang L, Qiu Y, Liu J, Li T. Direct evidence that hypoxia triggers the cardioprotective response of ischemic preconditioning in a dog double-circuit cardiopulmonary bypass model. Life Sci 2018; 209:395-402. [PMID: 30130539 DOI: 10.1016/j.lfs.2018.08.042] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2018] [Revised: 08/12/2018] [Accepted: 08/17/2018] [Indexed: 02/05/2023]
Abstract
AIMS It has been widely accepted that ischemic preconditioning (IPC) exhibits a promising and reproducible cardioprotective effect against ischemia/reperfusion (I/R) injury. However, the actual trigger that amplifies the molecular signaling and protects I/R heart is still unclear. MAIN METHODS To separate the factors involved in IPC, we established a dog double-circuit cardiopulmonary bypass (CPB) model, which consists of a systemic circuit and a coronary circuit. Forty-two male adult beagle dogs were randomly allocated into 7 groups: sham, I/R, IPC, hypoxia preconditioning (HPC), accumulated metabolite preconditioning (MPC), oxygenated or deoxygenated erythrocytes preconditioning (OxyEPC and DeoxyEPC). After pretreatment, dogs were subjected to 2 h-cardiac arrest and 2 h-reperfusion. KEY FINDINGS There were no differences in the cardiac function and hemodynamic parameters at baseline among groups. Like IPC, the hypoxia-related pretreatments HPC and DeoxyEPC improved post-arrest left ventricular systolic/diastolic performance and reduced pulmonary vascular resistance. The cardiac oxygen (O2) utilization was also greatly elevated in these hypoxia-related pretreatment groups, as evidenced by increased cardiac O2 consumption (VO2) and O2 extraction index (O2EI) and suppressed lactate level. Besides, we did not observe improvement of these parameters in the MPC and OxyEPC groups. Further study indicated that these hypoxia-related pretreatments were associated with the attenuation of pro-inflammatory cytokines release and the elevation of complex I-supported mitochondrial respiration. SIGNIFICANCE With a dog double-circuit CPB model, we demonstrated that hypoxia is the actual trigger to initiate the cardioprotective effect of IPC in vivo, which was related to reduced cardiac inflammation and ameliorated complex-I supported mitochondrial function.
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Affiliation(s)
- Yan Deng
- Laboratory of Anesthesiology and Translational Neuroscience Center, West China Hospital, Sichuan University, Chengdu, China; West China-Washington Mitochondria and Metabolism Center, West China Hospital of Sichuan University, Sichuan, Chengdu, China
| | - Guo Chen
- Laboratory of Anesthesiology and Translational Neuroscience Center, West China Hospital, Sichuan University, Chengdu, China
| | - Ronghua Zhou
- Laboratory of Anesthesiology and Translational Neuroscience Center, West China Hospital, Sichuan University, Chengdu, China
| | - Wei Wu
- Department of Anesthesiology, Chengdu Military General Hospital, Chengdu, China
| | - Zhen You
- Department of Hepato-Bilio-Pancreatology, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Wei Meng
- Department of Thoracic and Cardiovascular Surgery, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Linhui Yang
- Laboratory of Anesthesiology and Translational Neuroscience Center, West China Hospital, Sichuan University, Chengdu, China
| | - Yanhua Qiu
- Laboratory of Anesthesiology and Translational Neuroscience Center, West China Hospital, Sichuan University, Chengdu, China
| | - Jin Liu
- Laboratory of Anesthesiology and Translational Neuroscience Center, West China Hospital, Sichuan University, Chengdu, China.
| | - Tao Li
- Laboratory of Anesthesiology and Translational Neuroscience Center, West China Hospital, Sichuan University, Chengdu, China; West China-Washington Mitochondria and Metabolism Center, West China Hospital of Sichuan University, Sichuan, Chengdu, China.
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Zhang Z, Zhang Y, Deng Y, Li S, Zhou W, Yang C, Xu X, Li T. Polymerized human placenta haemoglobin attenuates myocardial injury and aortic endothelial dysfunction in a rat model of severe burns. ARTIFICIAL CELLS NANOMEDICINE AND BIOTECHNOLOGY 2017; 46:1141-1145. [PMID: 29103326 DOI: 10.1080/21691401.2017.1396999] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
This study was designed to investigate the effect of polymerized human placenta haemoglobin (PolyPHb) on cardiac dysfunction after severe burns. A total of 60 male Sprague-Dawley rats were randomly divided into 3 groups: Sham, Burn and Burn + PolyPHb groups. Rats were subjected to third-degree burns to 30% of total body surface area and the haemodynamics, cardiac enzyme release and aortic endothelium ultrastructure/function were measured. PolyPHb (0.5 gHb/kg) greatly improved mean arterial pressure, left ventricular developed pressure (LVDP), maximum LVDP increase and decrease rate and reduced left ventricular end-diastolic pressure as compared to the Burn group. The plasma levels of cardiac enzyme including CK-MB and troponin I were also significantly down-regulated in the Burn + PolyPHb group. In addition, PolyPHb treatment markedly restored the endothelium-dependent relaxation impaired by severe burns and pathological changes of endothelium in aorta. Therefore, our data suggest that PolyPHb can limit severe burn-induced myocardial injury, which is associated with protection of aortic endothelium.
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Affiliation(s)
- Zhenyu Zhang
- a Department of Burn and Plastic Surgery , West China Hospital, Sichuan University , Chengdu , PR China
| | - Yingyi Zhang
- a Department of Burn and Plastic Surgery , West China Hospital, Sichuan University , Chengdu , PR China
| | - Yan Deng
- b Translational Neuroscience Centre and Department of Anesthesiology , West China Hospital, Sichuan University , Chengdu , PR China
| | - Shen Li
- c Institute of Blood Transfusion , Chinese Academy of Medical Sciences , Chengdu , PR China
| | - Wentao Zhou
- c Institute of Blood Transfusion , Chinese Academy of Medical Sciences , Chengdu , PR China
| | - Chengmin Yang
- c Institute of Blood Transfusion , Chinese Academy of Medical Sciences , Chengdu , PR China
| | - Xuewen Xu
- a Department of Burn and Plastic Surgery , West China Hospital, Sichuan University , Chengdu , PR China
| | - Tao Li
- b Translational Neuroscience Centre and Department of Anesthesiology , West China Hospital, Sichuan University , Chengdu , PR China
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Zhang ZY, Qian LL, Wang RX. Molecular Mechanisms Underlying Renin-Angiotensin-Aldosterone System Mediated Regulation of BK Channels. Front Physiol 2017; 8:698. [PMID: 28955251 PMCID: PMC5601423 DOI: 10.3389/fphys.2017.00698] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2017] [Accepted: 08/30/2017] [Indexed: 12/21/2022] Open
Abstract
Large-conductance calcium-activated potassium channels (BK channels) belong to a family of Ca2+-sensitive voltage-dependent potassium channels and play a vital role in various physiological activities in the human body. The renin-angiotensin-aldosterone system is acknowledged as being vital in the body's hormone system and plays a fundamental role in the maintenance of water and electrolyte balance and blood pressure regulation. There is growing evidence that the renin-angiotensin-aldosterone system has profound influences on the expression and bioactivity of BK channels. In this review, we focus on the molecular mechanisms underlying the regulation of BK channels mediated by the renin-angiotensin-aldosterone system and its potential as a target for clinical drugs.
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Affiliation(s)
- Zhen-Ye Zhang
- Department of Cardiology, Wuxi People's Hospital Affiliated to Nanjing Medical UniversityWuxi, China
| | - Ling-Ling Qian
- Department of Cardiology, Wuxi People's Hospital Affiliated to Nanjing Medical UniversityWuxi, China
| | - Ru-Xing Wang
- Department of Cardiology, Wuxi People's Hospital Affiliated to Nanjing Medical UniversityWuxi, China
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High-Dose Polymerized Hemoglobin Fails to Alleviate Cardiac Ischemia/Reperfusion Injury due to Induction of Oxidative Damage in Coronary Artery. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2015; 2015:125106. [PMID: 26161234 PMCID: PMC4487275 DOI: 10.1155/2015/125106] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/06/2014] [Revised: 12/19/2014] [Accepted: 12/22/2014] [Indexed: 02/05/2023]
Abstract
Objective. Ischemia/reperfusion (I/R) injury is an unavoidable event for patients in cardiac surgery under cardiopulmonary bypass (CPB). This study was designed to investigate whether glutaraldehyde-polymerized human placenta hemoglobin (PolyPHb), a hemoglobin-based oxygen carrier (HBOC), can protect heart against CPB-induced I/R injury or not and to elucidate the underlying mechanism. Methods and Results. A standard dog CPB model with 2-hour cardiac arrest and 2-hour reperfusion was established. The results demonstrated that a low-dose PolyPHb (0.1%, w/v) provided a significant protection on the I/R heart, whereas the high-dose PolyPHb (3%, w/v) did not exhibit cardioprotective effect, as evidenced by the impaired cardiac function, decreased myocardial oxygen utilization, and elevated enzymes release and pathological changes. Further study indicated that exposure of isolated coronary arteries or human umbilical vein endothelial cells (HUVECs) to a high-dose PolyPHb caused impaired endothelium-dependent relaxation, which was companied with increased reactive oxygen species (ROS) production, reduced superoxide dismutase (SOD) activity, and elevated malonaldehyde (MDA) formation. Consistent with the increased oxidative stress, the NAD(P)H oxidase activity and subunits expression, including gp91phox, p47phox, p67phox, and Nox1, were greatly upregulated. Conclusion. The high-dose PolyPHb fails to protect heart from CPB-induced I/R injury, which was due to overproduction of NAD(P)H oxidase-induced ROS and resultant endothelial dysfunction.
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