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Li Z, Zhao J, Li H, Li Y, Lin C. Catalpol protects AC16 cells from hypoxia/reoxygenation injury by regulating the miR-22-3p/DPP4 axis. J Biochem Mol Toxicol 2022; 36:e23034. [PMID: 35307895 DOI: 10.1002/jbt.23034] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2021] [Revised: 01/08/2022] [Accepted: 03/02/2022] [Indexed: 11/08/2022]
Abstract
Catalpol (CA) is widely used in the protection of cardiomyocytes. Nevertheless, the mechanism of CA in alleviating ischemia-reperfusion-induced injury of cardiomyocytes remains unclear. Human cardiomyocyte AC16 cells were subjected to hypoxia/reoxygenation (H/R) injury. Quantitative real-time polymerase chain reaction (qRT-PCR) and western blot analysis were applied to detect tumor necrosis factor-alpha (TNF-α) mRNA, interleukin-6 (IL-6) mRNA, interleukin-1beta (IL-1β) mRNA, microRNA-22-3p (miR-22-3p), dipeptidyl peptidase 4 (DPP4) mRNA, and DPP4 protein expressions. The cell viability and apoptosis were measured by 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyl tetrazolium bromide (MTT) assay and flow cytometry, respectively. Lactate dehydrogenase (LDH) and creatine kinase (CK-MB) were examined by enzyme-linked immunosorbent assay (ELISA) kits. A dual-luciferase reporter gene assay was performed to confirm the binding sequence between miR-22-3p and DPP4 mRNA 3'-untranslated region (3'UTR). CA promoted the viability and reduced cell apoptosis of AC16 cells and repressed the release of inflammatory cytokines TNF-α, IL-6, and IL-1β, and inhibited the leakage of myocardial injury markers LDH and CK-MB. Furthermore, CA enhanced the expression of miR-22-3p in cardiomyocytes, and DPP4 was validated to be the target gene of miR-22-3p. The inhibition of miR-22-3p and augmentation of DPP4 reversed the above effects of CA. CA protects A16 cells from H/R injury by regulating the miR-22-3p/DPP4 axis.
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Affiliation(s)
- Ziyang Li
- Department of Cardiology, Ruijin Hospital Affiliated to Shanghai Jiaotong University School of Medicine (Luwan Branch), Shanghai, China
| | - Jianrong Zhao
- Department of Cardiology, Ruijin Hospital Affiliated to Shanghai Jiaotong University School of Medicine (Luwan Branch), Shanghai, China
| | - Hui Li
- Department of Cardiology, Ruijin Hospital Affiliated to Shanghai Jiaotong University School of Medicine (Luwan Branch), Shanghai, China
| | - Yan Li
- Department of Cardiology, Ruijin Hospital Affiliated to Shanghai Jiaotong University School of Medicine (Luwan Branch), Shanghai, China
| | - Caixia Lin
- Department of Cardiology, Ruijin Hospital Affiliated to Shanghai Jiaotong University School of Medicine (Luwan Branch), Shanghai, China
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Liao YJ, Ma YX, Huang LL, Zhang Z, Tan FY, Deng LL, Cao D, Zeng XJ, Yu GQ, Liao XH. Augmenter of liver regeneration protects the kidney against ischemia-reperfusion injury by inhibiting necroptosis. Bioengineered 2022; 13:5152-5167. [PMID: 35164651 PMCID: PMC8974178 DOI: 10.1080/21655979.2022.2037248] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/05/2022] Open
Abstract
Necroptosis plays an important role in the pathogenesis of acute kidney injury (AKI), and necroptosis-related interventions may therefore be an important measure for the treatment of AKI. Our previous study has shown that augmenter of liver regeneration (ALR) inhibits renal tubular epithelial cell apoptosis and regulates autophagy; however, the influence of ALR on necroptosis remains unclear. In this study, we investigated the effect of ALR on necroptosis caused by ischemia-reperfusion and the underlying mechanism. In vivo experiments indicated that kidney-specific knockout of ALR aggravated the renal dysfunction and pathological damage induced by ischemia-reperfusion. Simultaneously, the expression of renal necroptosis-associated protein receptor-interacting protein 1 (RIP1), receptor-interacting protein 3 (RIP3), and mixed-lineage kinase domain-like protein (MLKL) significantly increased. In vitro experiments indicated that overexpression of ALR decreased the expression of hypoxia-reoxygenation-induced kidney injury molecules, the inflammation-associated factor tumor necrosis factor-alpha (TNF-α), and monocyte chemotactic protein. Additionally, the expression of RIP1, RIP3, and MLKL, which are elevated after hypoxia and reoxygenation, was also inhibited by ALR overexpression. Both in vivo and in vitro results indicated that ALR has a protective effect against acute kidney injury caused by ischemia-reperfusion, and the RIP1/RIP3/MLKL pathway should be further verified as a probable necroptosis regulating mechanism.
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Affiliation(s)
- Yue-Juan Liao
- Department of Nephrology, The Second Affiliated Hospital, Chongqing Medical University, Chongqing, China
| | - Yi-Xin Ma
- Department of Nephrology, The Second Affiliated Hospital, Chongqing Medical University, Chongqing, China
| | - Li-Li Huang
- Department of Nephrology, The Second Affiliated Hospital, Chongqing Medical University, Chongqing, China
| | - Zheng Zhang
- Department of Cell Biology and Genetics, Chongqing Medical University, Chongqing, China
| | - Fang-Yan Tan
- Department of Nephrology, The Second Affiliated Hospital, Chongqing Medical University, Chongqing, China
| | - Li-Li Deng
- Department of Nephrology, Chongqing Sanbo Changan Hospital, Chongqing, China
| | - Dan Cao
- Department of Nephrology, The Fifth Hospital of Chongqing, Chongqing, China
| | - Xu-Jia Zeng
- Department of Nephrology, The Second Affiliated Hospital, Chongqing Medical University, Chongqing, China
| | - Gui-Quan Yu
- Department of Nephrology, The Second Affiliated Hospital, Chongqing Medical University, Chongqing, China
| | - Xiao-Hui Liao
- Department of Nephrology, The Second Affiliated Hospital, Chongqing Medical University, Chongqing, China
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Thangaswamy S, Branch CA, Ambadipudi K, Acharya SA. Quercetin Completely Ameliorates Hypoxia-Reoxygenation-Induced Pathophysiology Severity in NY1DD Transgenic Sickle Mice: Intrinsic Mild Steady State Pathophysiology of the Disease in NY1DD Is Also Reversed. Biomolecules 2021; 11:1473. [PMID: 34680105 DOI: 10.3390/biom11101473] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2021] [Revised: 10/01/2021] [Accepted: 10/02/2021] [Indexed: 11/29/2022] Open
Abstract
The vaso-occlusive crisis (VOC) is a major complication of sickle cell disease (SCD); thus, strategies to ameliorate vaso-occlusive episodes are greatly needed. We evaluated the therapeutic benefits of quercetin in a SCD transgenic sickle mouse model. This disease model exhibited very mild disease pathophysiology in the steady state. The severity of the disease in the NY1DD mouse was amplified by subjecting mice to 18 h of hypoxia followed by 3 h of reoxygenation. Quercetin (200 mg/kg body weight) administered to hypoxia challenged NY1DD mice in a single intraperitoneal (i.p.) dose at the onset of reoxygenation completely ameliorated all hypoxia reoxygenation (H/R)-induced pathophysiology. Additionally, it ameliorated the mild intrinsic steady state pathophysiology. These results are comparable with those seen with semisynthetic supra plasma expanders. In control mice, C57BL/6J, hypoxia reoxygenation-induced vaso-occlusion was at significantly lower levels than in NY1DD mice, reflecting the role of sickle hemoglobin (HbS) in inducing vaso-occlusion; however, the therapeutic benefits from quercetin were significantly muted. We suggest that these findings represent a unique genotype of the NY1DD mice, i.e., the presence of high oxygen affinity red blood cells (RBCs) with chimeric HbS, composed of mouse α-chain and human βS-chain, as well as human α-chain and mouse β-chain (besides HbS). The anti-anemia therapeutic benefits from high oxygen affinity RBCs in these mice exert disease severity modifications that synergize with the therapeutic benefits of quercetin. Combining the therapeutic benefits of high oxygen affinity RBCs generated in situ by chemical or genetic manipulation with the therapeutic benefits of antiadhesive therapies is a novel approach to treat sickle cell patients with severe pathophysiology.
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Shao G, He J, Meng J, Ma A, Geng X, Zhang S, Qiu Z, Lin D, Li M, Zhou H, Lin S, Yang B. Ganoderic Acids Prevent Renal Ischemia Reperfusion Injury by Inhibiting Inflammation and Apoptosis. Int J Mol Sci 2021; 22:10229. [PMID: 34638569 PMCID: PMC8508562 DOI: 10.3390/ijms221910229] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2021] [Revised: 09/14/2021] [Accepted: 09/20/2021] [Indexed: 12/16/2022] Open
Abstract
Renal ischemia reperfusion injury (RIRI) is one of the main causes of acute kidney injury (AKI), which can lead to acute renal failure. The development of RIRI is so complicated that it involves many factors such as inflammatory response, oxidative stress and cell apoptosis. Ganoderic acids (GAs), as one of the main pharmacological components of Ganoderma lucidum, have been reported to possess anti-inflammatory, antioxidant, and other pharmacological effects. The study is aimed to investigate the protective effect of GAs on RIRI and explore related underlying mechanisms. The mechanisms involved were assessed by a mouse RIRI model and a hypoxia/reoxygenation model. Compared with sham-operated group, renal dysfunction and morphological damages were relieved markedly in GAs-pretreatment group. GAs pretreatment could reduce the production of pro-inflammatory factors such as IL-6, COX-2 and iNOS induced by RIRI through inhibiting TLR4/MyD88/NF-kB signaling pathway. Furthermore, GAs reduced cell apoptosis via the decrease of the ratios of cleaved caspase-8 and cleaved caspase-3. The experimental results suggest that GAs prevent RIRI by alleviating tissue inflammation and apoptosis and might be developed as a candidate drug for preventing RIRI-induced AKI.
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Affiliation(s)
- Guangying Shao
- State Key Laboratory of Natural and Biomimetic Drugs, Department of Pharmacology, School of Basic Medical Sciences, Peking University, Beijing 100191, China; (G.S.); (J.H.); (J.M.); (A.M.); (X.G.); (S.Z.); (Z.Q.); (M.L.); (H.Z.)
| | - Jinzhao He
- State Key Laboratory of Natural and Biomimetic Drugs, Department of Pharmacology, School of Basic Medical Sciences, Peking University, Beijing 100191, China; (G.S.); (J.H.); (J.M.); (A.M.); (X.G.); (S.Z.); (Z.Q.); (M.L.); (H.Z.)
| | - Jia Meng
- State Key Laboratory of Natural and Biomimetic Drugs, Department of Pharmacology, School of Basic Medical Sciences, Peking University, Beijing 100191, China; (G.S.); (J.H.); (J.M.); (A.M.); (X.G.); (S.Z.); (Z.Q.); (M.L.); (H.Z.)
| | - Ang Ma
- State Key Laboratory of Natural and Biomimetic Drugs, Department of Pharmacology, School of Basic Medical Sciences, Peking University, Beijing 100191, China; (G.S.); (J.H.); (J.M.); (A.M.); (X.G.); (S.Z.); (Z.Q.); (M.L.); (H.Z.)
| | - Xiaoqiang Geng
- State Key Laboratory of Natural and Biomimetic Drugs, Department of Pharmacology, School of Basic Medical Sciences, Peking University, Beijing 100191, China; (G.S.); (J.H.); (J.M.); (A.M.); (X.G.); (S.Z.); (Z.Q.); (M.L.); (H.Z.)
| | - Shun Zhang
- State Key Laboratory of Natural and Biomimetic Drugs, Department of Pharmacology, School of Basic Medical Sciences, Peking University, Beijing 100191, China; (G.S.); (J.H.); (J.M.); (A.M.); (X.G.); (S.Z.); (Z.Q.); (M.L.); (H.Z.)
| | - Zhiwei Qiu
- State Key Laboratory of Natural and Biomimetic Drugs, Department of Pharmacology, School of Basic Medical Sciences, Peking University, Beijing 100191, China; (G.S.); (J.H.); (J.M.); (A.M.); (X.G.); (S.Z.); (Z.Q.); (M.L.); (H.Z.)
| | - Dongmei Lin
- Fuzhou Institute of Green Valley Bio-Pharm Technology, Fuzhou 350002, China; (D.L.); (S.L.)
- JUNCAO Technology Research Institute, Fujian Agriculture and Forestry University, Fuzhou 350002, China
| | - Min Li
- State Key Laboratory of Natural and Biomimetic Drugs, Department of Pharmacology, School of Basic Medical Sciences, Peking University, Beijing 100191, China; (G.S.); (J.H.); (J.M.); (A.M.); (X.G.); (S.Z.); (Z.Q.); (M.L.); (H.Z.)
| | - Hong Zhou
- State Key Laboratory of Natural and Biomimetic Drugs, Department of Pharmacology, School of Basic Medical Sciences, Peking University, Beijing 100191, China; (G.S.); (J.H.); (J.M.); (A.M.); (X.G.); (S.Z.); (Z.Q.); (M.L.); (H.Z.)
| | - Shuqian Lin
- Fuzhou Institute of Green Valley Bio-Pharm Technology, Fuzhou 350002, China; (D.L.); (S.L.)
- JUNCAO Technology Research Institute, Fujian Agriculture and Forestry University, Fuzhou 350002, China
| | - Baoxue Yang
- State Key Laboratory of Natural and Biomimetic Drugs, Department of Pharmacology, School of Basic Medical Sciences, Peking University, Beijing 100191, China; (G.S.); (J.H.); (J.M.); (A.M.); (X.G.); (S.Z.); (Z.Q.); (M.L.); (H.Z.)
- Key Laboratory of Molecular Cardiovascular Sciences, Ministry of Education, Beijing 100816, China
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Lotze FP, Riess ML. Poloxamer 188 Exerts Direct Protective Effects on Mouse Brain Microvascular Endothelial Cells in an In Vitro Traumatic Brain Injury Model. Biomedicines 2021; 9:1043. [PMID: 34440247 PMCID: PMC8393826 DOI: 10.3390/biomedicines9081043] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2021] [Revised: 08/13/2021] [Accepted: 08/16/2021] [Indexed: 12/04/2022] Open
Abstract
Traumatic Brain Injury (TBI), the main contributor to morbidity and mortality worldwide, can disrupt the cell membrane integrity of the vascular endothelial system, endangering blood-brain barrier function and threatening cellular subsistence. Protection of the vascular endothelial system might enhance clinical outcomes after TBI. Poloxamer 188 (P188) has been shown to improve neuronal function after ischemia/reperfusion (I/R) injury as well as after TBI. We aimed to establish an in vitro compression-type TBI model, comparing mild-to-moderate and severe injury, to observe the direct effects of P188 on Mouse Brain Microvascular Endothelial Cells (MBEC). Confluent MBEC were exposed to normoxic or hypoxic conditions for either 5 or 15 h (hours). 1 h compression was added, and P188 was administered during 2 h reoxygenation. A direct effect of P188 on MBEC was tested by assessing cell number/viability, cytotoxicity/membrane damage, metabolic activity, and total nitric oxide production (tNOp). While P188 enhanced cell number/viability, metabolic activity, and tNOp, an increase in cytotoxicity/membrane damage after mild-to-moderate injury was prevented. In severely injured MBEC, P188 improved metabolic activity only. P188, present during reoxygenation, influenced MBEC function directly in simulated I/R and compression-type TBI.
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Affiliation(s)
- Felicia P. Lotze
- Department of Anesthesiology, Vanderbilt University Medical Center, Nashville, TN 37232, USA;
- Department of Anesthesiology, University Medicine Greifswald, 17475 Greifswald, Germany
| | - Matthias L. Riess
- Department of Anesthesiology, Vanderbilt University Medical Center, Nashville, TN 37232, USA;
- Department of Pharmacology, Vanderbilt University, Nashville, TN 37232, USA
- Anesthesiology, TVHS VA Medical Center, Nashville, TN 37212, USA
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Yan J, Song K, Zhou S, Ge RL. Long-Term High-Fat Diet Inhibits the Recovery of Myocardial Mitochondrial Function After Chronic Hypoxia Reoxygenation in Rats. High Alt Med Biol 2021; 22:327-334. [PMID: 34191588 DOI: 10.1089/ham.2021.0056] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Yan, Jun, Kang Song, Sisi Zhou, and Ri-Li Ge. Long-term high-fat diet inhibits the recovery of myocardial mitochondrial function after chronic hypoxia reoxygenation in rats. High Alt Med Biol. 16:000-000, 2021. Aims: A high-fat diet (HFD) is associated with cardiovascular diseases and mitochondrial dysfunction. Obesity incidence is low at high altitudes, but the impact of HFD, which is closely associated with obesity at high altitudes, and the effects of reoxygenation on the heart are unclear. In this study, we investigated the effects of long-term HFD consumption on mitochondrial function in the myocardium after chronic hypoxia reoxygenation. Main Methods: Sprague-Dawley rats were randomized into the following six groups: normoxia groups, including a control group and HFD group; chronic hypoxia groups, including a normal chow diet (CH-CD) group and an HFD (CH-HFD) group; and hypoxic-reoxygenated (HR) groups, including a hypoxia-reoxygenation normal chow diet (HR-CD) group and a hypoxia-reoxygenation HFD (HR-HFD) group. All rats were euthanized in this study. Results: We found that chronic hypoxia aggravated myocardial mitochondrial dysfunction. The Flameng score (in which the higher the score, the more severe the mitochondrial damage) was used to assess the extent of mitochondrial structural damage. Compared with the control group and HFD group, the Flameng scores of the CH-CD and CH-HFD groups were significantly increased, respectively [1.260 ± 0.063 vs. 0.68 ± 0.05 (p < 0.05); 2.03 ± 0.07 vs. 1.48 ± 0.05 (p < 0.05)]. Moreover, progressive reoxygenation facilitated the recovery of myocardial mitochondrial function; this process was inhibited by long-term HFD. After reoxygenation, the Flameng scores in the HR-CD group became comparable to those in the CH-CD group [0.86 ± 0.05 vs. 1.26 ± 0.06 (p < 0.05)]. However, no significant changes were observed in the Flameng score between the HR-HFD and CH-HFD groups. Significance: Long-term HFD consumption inhibits myocardial mitochondrial function after reoxygenation. This finding may be helpful for the prevention and control of risk factors related to cardiovascular diseases in plateau residents.
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Affiliation(s)
- Jun Yan
- Research Center for High Altitude Medicine, Qinghai University, Xining, P.R. China.,Key Laboratory of High-Altitude Medicine (Qinghai University), Ministry of Education, Xining, P.R. China.,Key Laboratory for Application of High-Altitude Medicine in Qinghai Province, Xining, P.R. China.,Cardiovascular Medicine Department, Xuzhou Medical University Affiliated Hospital, Xuzhou, P.R. China
| | - Kang Song
- Endocrinology Department, Qinghai Provincial People's Hospital, Xining, P.R. China
| | - Sisi Zhou
- Research Center for High Altitude Medicine, Qinghai University, Xining, P.R. China.,Key Laboratory of High-Altitude Medicine (Qinghai University), Ministry of Education, Xining, P.R. China.,Key Laboratory for Application of High-Altitude Medicine in Qinghai Province, Xining, P.R. China
| | - Ri-Li Ge
- Research Center for High Altitude Medicine, Qinghai University, Xining, P.R. China.,Key Laboratory of High-Altitude Medicine (Qinghai University), Ministry of Education, Xining, P.R. China.,Key Laboratory for Application of High-Altitude Medicine in Qinghai Province, Xining, P.R. China
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Lu P, Xiao S, Chen S, Fu Y, Zhang P, Yao Y, Chen F. LncRNA SNHG12 downregulates RAGE to attenuate hypoxia-reoxygenation-induced apoptosis in H9c2 cells. Biosci Biotechnol Biochem 2021; 85:866-873. [PMID: 33589923 DOI: 10.1093/bbb/zbaa090] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2020] [Accepted: 11/20/2020] [Indexed: 11/13/2022]
Abstract
Ischemia-reperfusion (I/R) injury causes cardiac dysfunction through several mechanisms including the irregular expression of some long noncoding RNA. However, the role of SNHG12 in myocardial I/R injury remains unclear. Here, we found the increase of the SNHG12 level in hypoxia-reoxygenation (H/R)-injured-H9c2 cells. SNHG12 silencing enhanced the apoptosis of H/R-injured H9c2 cells, while SNHG12 overexpression relieved the cardiomyocyte apoptosis induced by H/R stimulation. Additionally, the suppression of SNHG12 significantly boosted the H/R-induced expression and the production of TNF-α, IL-6, and IL-1β, as well as the activation of NF-κB, which were fully reversed after overexpression of SNHG12. Mechanistically, SNHG12 adversely regulated the production of receptor for advanced glycation end products (RAGE) in H/R-stimulated H9c2 cells. Antibody blocking of RAGE alleviated the apoptosis of H/R-injured H9c2 cells. Collectively, we have determined a valuable mechanism by which the high level of SNHG12 contributes to H9c2 cells against H/R injury through the reduction of RAGE expression.
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Affiliation(s)
- Ping Lu
- The Ganzhou Hospital Affiliated to Nanchang University (The Ganzhou People's Hospital), Ganzhou, China
| | - Shihui Xiao
- The Ganzhou Hospital Affiliated to Nanchang University (The Ganzhou People's Hospital), Ganzhou, China
| | - Shaoze Chen
- The Ganzhou Hospital Affiliated to Nanchang University (The Ganzhou People's Hospital), Ganzhou, China
| | - Youlin Fu
- The Ganzhou Hospital Affiliated to Nanchang University (The Ganzhou People's Hospital), Ganzhou, China
| | - Peng Zhang
- The Ganzhou Hospital Affiliated to Nanchang University (The Ganzhou People's Hospital), Ganzhou, China
| | - Yaner Yao
- Xiamen Cardiovascular Hospital, Xiamen University, Xiamen, China
| | - Feng Chen
- The Ganzhou Hospital Affiliated to Nanchang University (The Ganzhou People's Hospital), Ganzhou, China
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