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Zhang J, Wang S, Sun Q, Zhang J, Shi X, Yao M, Chen J, Huang Q, Zhang G, Huang Q, Ai K, Bai Y. Peroxynitrite-Free Nitric Oxide-Embedded Nanoparticles Maintain Nitric Oxide Homeostasis for Effective Revascularization of Myocardial Infarcts. ACS NANO 2024; 18:32650-32671. [PMID: 39545833 DOI: 10.1021/acsnano.4c10118] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2024]
Abstract
Revascularization is crucial for treating myocardial infarction (MI). Nitric oxide (NO), at an appropriate concentration, is recognized as an ideal and potent pro-angiogenic factor. However, the application of NO in the treatment of MI is limited. Improper NO supplementation is harmful to revascularization because NO is converted into harmful peroxynitrite (ONOO-) in MI tissues with high reactive oxygen species (ROS) levels. We overcome these obstacles by embedding biliverdin and NO into Prussian blue (PB) nanolattices to obtain an ONOO--free NO-embedded nanomedicine (OFEN). Unlike previous NO donors, OFEN provides NO stably and spontaneously for a longer time (>7 days), which makes it possible to maintain a stable concentration of NO, suitable for angiogenesis, through dose optimization. More importantly, based on the synergy between PB and biliverdin, OFEN converts ROS into beneficial O2 and inhibits the production of ONOO- from the source. OFEN specifically targets MI tissues and achieves sustained and stable NO delivery at the MI site. OFEN effectively promotes revascularization in the MI tissue, significantly reduces myocardial death and fibrosis, and ultimately promotes the complete recovery of cardiac function. Our strategy provides a promising approach for the treatment of myocardial and other ischemic diseases.
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Affiliation(s)
- Jiaxiong Zhang
- Department of Geriatric Medicine, Coronary Circulation Center, Xiangya Hospital, Central South University, Changsha, Hunan 410008, PR China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan 410008, PR China
| | - Shuya Wang
- Xiangya School of Pharmaceutical Sciences, Central South University, Changsha, Hunan 410013, PR China
- Hunan Provincial Key Laboratory of Cardiovascular Research, Xiangya School of Pharmaceutical Sciences, Central South University, Changsha, Hunan 410013, PR China
| | - Quan Sun
- Department of Geriatric Medicine, Coronary Circulation Center, Xiangya Hospital, Central South University, Changsha, Hunan 410008, PR China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan 410008, PR China
| | - Jian Zhang
- Department of Geriatric Medicine, Coronary Circulation Center, Xiangya Hospital, Central South University, Changsha, Hunan 410008, PR China
| | - Xiaojing Shi
- Xiangya School of Pharmaceutical Sciences, Central South University, Changsha, Hunan 410013, PR China
- Hunan Provincial Key Laboratory of Cardiovascular Research, Xiangya School of Pharmaceutical Sciences, Central South University, Changsha, Hunan 410013, PR China
| | - Meilian Yao
- Department of Geriatric Medicine, Coronary Circulation Center, Xiangya Hospital, Central South University, Changsha, Hunan 410008, PR China
| | - Jing Chen
- Department of Geriatric Medicine, Coronary Circulation Center, Xiangya Hospital, Central South University, Changsha, Hunan 410008, PR China
| | - Qiong Huang
- Department of Pharmacy, Xiangya Hospital, Central South University, Changsha, Hunan 410008, PR China
| | - Guogang Zhang
- Department of Geriatric Medicine, Coronary Circulation Center, Xiangya Hospital, Central South University, Changsha, Hunan 410008, PR China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan 410008, PR China
- Department of Cardiology, The Third Xiangya Hospital, Central South University, Changsha, Hunan 410000, PR China
| | - Qun Huang
- Department of Child Health Care, Hunan Provincial Maternal and Child Health Care Hospital, Changsha, Hunan 410008, PR China
| | - Kelong Ai
- Xiangya School of Pharmaceutical Sciences, Central South University, Changsha, Hunan 410013, PR China
- Hunan Provincial Key Laboratory of Cardiovascular Research, Xiangya School of Pharmaceutical Sciences, Central South University, Changsha, Hunan 410013, PR China
| | - Yongping Bai
- Department of Geriatric Medicine, Coronary Circulation Center, Xiangya Hospital, Central South University, Changsha, Hunan 410008, PR China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan 410008, PR China
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Chen A, Zhang J, Yan Z, Lu Y, Chen W, Sun Y, Gu Q, Li F, Yang Y, Qiu S, Lin X, Zhang D, Teng J, Fang Y, Shen B, Song N, Ding X. Acidic preconditioning induced intracellular acid adaptation to protect renal injury via dynamic phosphorylation of focal adhesion kinase-dependent activation of sodium hydrogen exchanger 1. Cell Commun Signal 2024; 22:393. [PMID: 39118129 PMCID: PMC11308338 DOI: 10.1186/s12964-024-01773-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2024] [Accepted: 07/30/2024] [Indexed: 08/10/2024] Open
Abstract
BACKGROUND Disruptions in intracellular pH (pHi) homeostasis, causing deviations from the physiological range, can damage renal epithelial cells. However, the existence of an adaptive mechanism to restore pHi to normalcy remains unclear. Early research identified H+ as a critical mediator of ischemic preconditioning (IPC), leading to the concept of acidic preconditioning (AP). This concept proposes that short-term, repetitive acidic stimulation can enhance a cell's capacity to withstand subsequent adverse stress. While AP has demonstrated protective effects in various ischemia-reperfusion (I/R) injury models, its application in kidney injury remains largely unexplored. METHODS An AP model was established in human kidney (HK2) cells by treating them with an acidic medium for 12 h, followed by a recovery period with a normal medium for 6 h. To induce hypoxia/reoxygenation (H/R) injury, HK2 cells were subjected to hypoxia for 24 h and reoxygenation for 1 h. In vivo, a mouse model of IPC was established by clamping the bilateral renal pedicles for 15 min, followed by reperfusion for 4 days. Conversely, the I/R model involved clamping the bilateral renal pedicles for 35 min and reperfusion for 24 h. Western blotting was employed to evaluate the expression levels of cleaved caspase 3, cleaved caspase 9, NHE1, KIM1, FAK, and NOX4. A pH-sensitive fluorescent probe was used to measure pHi, while a Hemin/CNF microelectrode monitored kidney tissue pH. Immunofluorescence staining was performed to visualize the localization of NHE1, NOX4, and FAK, along with the actin cytoskeleton structure in HK2 cells. Cell adhesion and scratch assays were conducted to assess cell motility. RESULTS Our findings demonstrated that AP could effectively mitigate H/R injury in HK2 cells. This protective effect and the maintenance of pHi homeostasis by AP involved the upregulation of Na+/H+ exchanger 1 (NHE1) expression and activity. The activity of NHE1 was regulated by dynamic changes in pHi-dependent phosphorylation of Focal Adhesion Kinase (FAK) at Y397. This process was associated with NOX4-mediated reactive oxygen species (ROS) production. Furthermore, AP induced the co-localization of FAK, NOX4, and NHE1 in focal adhesions, promoting cytoskeletal remodeling and enhancing cell adhesion and migration capabilities. CONCLUSIONS This study provides compelling evidence that AP maintains pHi homeostasis and promotes cytoskeletal remodeling through FAK/NOX4/NHE1 signaling. This signaling pathway ultimately contributes to alleviated H/R injury in HK2 cells.
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Affiliation(s)
- Annan Chen
- Department of Nephrology, Zhongshan Hospital, Fudan University, Shanghai Medical Center of Kidney, Shanghai Institute of Kidney and Dialysis, Shanghai Key Laboratory of Kidney and Blood Purification, Hemodialysis Quality Control Center of Shanghai, Shanghai, China
| | - Jian Zhang
- Department of Nephrology, Zhongshan Hospital, Fudan University, Shanghai Medical Center of Kidney, Shanghai Institute of Kidney and Dialysis, Shanghai Key Laboratory of Kidney and Blood Purification, Hemodialysis Quality Control Center of Shanghai, Shanghai, China
| | - Zhixin Yan
- Department of Nephrology, Zhongshan Hospital, Fudan University, Shanghai Medical Center of Kidney, Shanghai Institute of Kidney and Dialysis, Shanghai Key Laboratory of Kidney and Blood Purification, Hemodialysis Quality Control Center of Shanghai, Shanghai, China
| | - Yufei Lu
- Department of Nephrology, Zhongshan Hospital, Fudan University, Shanghai Medical Center of Kidney, Shanghai Institute of Kidney and Dialysis, Shanghai Key Laboratory of Kidney and Blood Purification, Hemodialysis Quality Control Center of Shanghai, Shanghai, China
| | - Weize Chen
- Department of Nephrology, Zhongshan Hospital, Fudan University, Shanghai Medical Center of Kidney, Shanghai Institute of Kidney and Dialysis, Shanghai Key Laboratory of Kidney and Blood Purification, Hemodialysis Quality Control Center of Shanghai, Shanghai, China
| | - Yingxue Sun
- Department of Nephrology, Zhongshan Hospital, Fudan University, Shanghai Medical Center of Kidney, Shanghai Institute of Kidney and Dialysis, Shanghai Key Laboratory of Kidney and Blood Purification, Hemodialysis Quality Control Center of Shanghai, Shanghai, China
| | - Qiuyu Gu
- Department of Nephrology, Zhongshan Hospital, Fudan University, Shanghai Medical Center of Kidney, Shanghai Institute of Kidney and Dialysis, Shanghai Key Laboratory of Kidney and Blood Purification, Hemodialysis Quality Control Center of Shanghai, Shanghai, China
| | - Fang Li
- Department of Nephrology, Zhongshan Hospital, Fudan University, Shanghai Medical Center of Kidney, Shanghai Institute of Kidney and Dialysis, Shanghai Key Laboratory of Kidney and Blood Purification, Hemodialysis Quality Control Center of Shanghai, Shanghai, China
| | - Yan Yang
- Department of Nephrology, Zhongshan Hospital, Fudan University, Shanghai Medical Center of Kidney, Shanghai Institute of Kidney and Dialysis, Shanghai Key Laboratory of Kidney and Blood Purification, Hemodialysis Quality Control Center of Shanghai, Shanghai, China
| | - Shanfang Qiu
- Department of Nephrology, Xiamen Branch, Zhongshan Hospital, Fudan University, Xiamen, China
| | - Xueping Lin
- Department of Nephrology, Xiamen Branch, Zhongshan Hospital, Fudan University, Xiamen, China
| | - Dong Zhang
- Department of Nephrology, Xiamen Branch, Zhongshan Hospital, Fudan University, Xiamen, China
| | - Jie Teng
- Department of Nephrology, Zhongshan Hospital, Fudan University, Shanghai Medical Center of Kidney, Shanghai Institute of Kidney and Dialysis, Shanghai Key Laboratory of Kidney and Blood Purification, Hemodialysis Quality Control Center of Shanghai, Shanghai, China
- Department of Nephrology, Xiamen Branch, Zhongshan Hospital, Fudan University, Xiamen, China
| | - Yi Fang
- Department of Nephrology, Zhongshan Hospital, Fudan University, Shanghai Medical Center of Kidney, Shanghai Institute of Kidney and Dialysis, Shanghai Key Laboratory of Kidney and Blood Purification, Hemodialysis Quality Control Center of Shanghai, Shanghai, China
| | - Bo Shen
- Department of Nephrology, Zhongshan Hospital, Fudan University, Shanghai Medical Center of Kidney, Shanghai Institute of Kidney and Dialysis, Shanghai Key Laboratory of Kidney and Blood Purification, Hemodialysis Quality Control Center of Shanghai, Shanghai, China.
- Division of Nephrology, Zhongshan Hospital, Fudan University, Shanghai, PR China.
| | - Nana Song
- Department of Nephrology, Zhongshan Hospital, Fudan University, Shanghai Medical Center of Kidney, Shanghai Institute of Kidney and Dialysis, Shanghai Key Laboratory of Kidney and Blood Purification, Hemodialysis Quality Control Center of Shanghai, Shanghai, China.
- Fudan Zhangjiang Institute, Shanghai, China.
- Division of Nephrology, Zhongshan Hospital, Fudan University, Shanghai, PR China.
| | - Xiaoqiang Ding
- Department of Nephrology, Zhongshan Hospital, Fudan University, Shanghai Medical Center of Kidney, Shanghai Institute of Kidney and Dialysis, Shanghai Key Laboratory of Kidney and Blood Purification, Hemodialysis Quality Control Center of Shanghai, Shanghai, China.
- Division of Nephrology, Zhongshan Hospital, Fudan University, Shanghai, PR China.
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Liu Y, Wang S, Zhang J, Sun Q, Xiao Y, Chen J, Yao M, Zhang G, Huang Q, Zhao T, Huang Q, Shi X, Feng C, Ai K, Bai Y. Reprogramming the myocardial infarction microenvironment with melanin-based composite nanomedicines in mice. Nat Commun 2024; 15:6651. [PMID: 39103330 DOI: 10.1038/s41467-024-50854-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2023] [Accepted: 07/24/2024] [Indexed: 08/07/2024] Open
Abstract
Myocardial infarction (MI) has a 5-year mortality rate of more than 50% due to the lack of effective treatments. Interactions between cardiomyocytes and the MI microenvironment (MIM) can determine the progression and fate of infarcted myocardial tissue. Here, a specially designed Melanin-based composite nanomedicines (MCN) is developed to effectively treat MI by reprogramming the MIM. MCN is a nanocomposite composed of polydopamine (P), Prussian blue (PB) and cerium oxide (CexOy) with a Mayuan-like structure, which reprogramming the MIM by the efficient conversion of detrimental substances (H+, reactive oxygen species, and hypoxia) into beneficial status (O2 and H2O). In coronary artery ligation and ischemia reperfusion models of male mice, intravenously injecting MCN specifically targets the damaged area, resulting in restoration of cardiac function. With its promising therapeutic effects, MCN constitutes a new agent for MI treatment and demonstrates potential for clinical application.
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Affiliation(s)
- Yamei Liu
- Department of Geriatric Medicine, Coronary Circulation Center, Xiangya Hospital, Central South University, Changsha, Hunan, P.R. China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan, P.R. China
| | - Shuya Wang
- Xiangya School of Pharmaceutical Sciences, Central South University, Changsha, Hunan, P.R. China
- Hunan Provincial Key Laboratory of Cardiovascular Research, Xiangya School of Pharmaceutical Sciences, Central South University, Changsha, Hunan, P.R. China
| | - Jiaxiong Zhang
- Department of Geriatric Medicine, Coronary Circulation Center, Xiangya Hospital, Central South University, Changsha, Hunan, P.R. China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan, P.R. China
| | - Quan Sun
- Department of Geriatric Medicine, Coronary Circulation Center, Xiangya Hospital, Central South University, Changsha, Hunan, P.R. China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan, P.R. China
| | - Yi Xiao
- Department of Geriatric Medicine, Coronary Circulation Center, Xiangya Hospital, Central South University, Changsha, Hunan, P.R. China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan, P.R. China
| | - Jing Chen
- Department of Geriatric Medicine, Coronary Circulation Center, Xiangya Hospital, Central South University, Changsha, Hunan, P.R. China
| | - Meilian Yao
- Department of Geriatric Medicine, Coronary Circulation Center, Xiangya Hospital, Central South University, Changsha, Hunan, P.R. China
| | - Guogang Zhang
- Department of Geriatric Medicine, Coronary Circulation Center, Xiangya Hospital, Central South University, Changsha, Hunan, P.R. China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan, P.R. China
- Department of Cardiology, The Third Xiangya Hospital, Central South University, Changsha, Hunan, P.R. China
| | - Qun Huang
- Department of Child Health Care, Hunan Provincial Maternal and Child Health Care Hospital, Changsha, 410008, Hunan, P.R. China
| | - Tianjiao Zhao
- Xiangya School of Pharmaceutical Sciences, Central South University, Changsha, Hunan, P.R. China
- Hunan Provincial Key Laboratory of Cardiovascular Research, Xiangya School of Pharmaceutical Sciences, Central South University, Changsha, Hunan, P.R. China
| | - Qiong Huang
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan, P.R. China
- Department of Pharmacy, Xiangya Hospital, Central South University, Changsha, Hunan, P.R. China
| | - Xiaojing Shi
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan, P.R. China
- Department of Pharmacy, Xiangya Hospital, Central South University, Changsha, Hunan, P.R. China
| | - Can Feng
- Xiangya School of Pharmaceutical Sciences, Central South University, Changsha, Hunan, P.R. China
| | - Kelong Ai
- Xiangya School of Pharmaceutical Sciences, Central South University, Changsha, Hunan, P.R. China.
- Hunan Provincial Key Laboratory of Cardiovascular Research, Xiangya School of Pharmaceutical Sciences, Central South University, Changsha, Hunan, P.R. China.
| | - Yongping Bai
- Department of Geriatric Medicine, Coronary Circulation Center, Xiangya Hospital, Central South University, Changsha, Hunan, P.R. China.
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan, P.R. China.
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Boedtkjer E, Ara T. Strengthening the basics: acids and bases influence vascular structure and function, tissue perfusion, blood pressure, and human cardiovascular disease. Pflugers Arch 2024; 476:623-637. [PMID: 38383822 DOI: 10.1007/s00424-024-02926-z] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2023] [Revised: 02/08/2024] [Accepted: 02/09/2024] [Indexed: 02/23/2024]
Abstract
Acids and their conjugate bases accumulate in or dissipate from the interstitial space when tissue perfusion does not match the metabolic demand. Extracellular acidosis dilates most arterial beds, but associated acid-base disturbances-e.g., intracellular acidification and decreases in HCO3- concentration-can also elicit pro-contractile influences that diminish vasodilation and even dominate in some vascular beds to cause vasoconstriction. The ensemble activities of the acid-base-sensitive reactions in vascular smooth muscle and endothelial cells optimize vascular resistance for blood pressure control and direct the perfusion towards active tissue. In this review, we describe the mechanisms of intracellular pH regulation in the vascular wall and discuss how vascular smooth muscle and endothelial cells sense acid-base disturbances. We further deliberate on the functional effects of local acid-base disturbances and their integrated cardiovascular consequences under physiological and pathophysiological conditions. Finally, we address how mutations and polymorphisms in the molecular machinery that regulates pH locally and senses acid-base disturbances in the vascular wall can result in cardiovascular disease. Based on the emerging molecular insight, we propose that targeting local pH-dependent effectors-rather than systemic acid-base disturbances-has therapeutic potential to interfere with the progression and reduce the severity of cardiovascular disease.
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Affiliation(s)
- Ebbe Boedtkjer
- Department of Biomedicine, Aarhus University, Hoegh-Guldbergs Gade 10, DK-8000, Aarhus, Denmark.
| | - Tarannum Ara
- Department of Biomedicine, Aarhus University, Hoegh-Guldbergs Gade 10, DK-8000, Aarhus, Denmark
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