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Melberg MB, Flaa A, Andersen GØ, Sunde K, Bellomo R, Eastwood G, Olasveengen TM, Qvigstad E. Effects of mild hypercapnia on myocardial injury after out-of-hospital cardiac arrest. A sub-study of the TAME trial. Resuscitation 2024; 201:110295. [PMID: 38936652 DOI: 10.1016/j.resuscitation.2024.110295] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2024] [Revised: 06/21/2024] [Accepted: 06/21/2024] [Indexed: 06/29/2024]
Abstract
PURPOSE Mild hypercapnia did not improve neurological outcomes for resuscitated out-of-hospital cardiac arrest (OHCA) patients in the Targeted Therapeutic Mild Hypercapnia After Resuscitated Cardiac Arrest (TAME) trial. However, the effects of hypercapnic acidosis on myocardial injury in patients with cardiac arrest is unexplored. We investigated whether mild hypercapnia compared to normocapnia, following emergency coronary intervention, increased myocardial injury in comatose OHCA-patients with AMI. METHODS Single-centre, prospective, pre-planned sub-study of the TAME trial. Patients were randomised to targeted mild hypercapnia (PaCO2 = 6.7-7.3 kPa) or normocapnia (PaCO2 = 4.7-6.0 kPa) for 24 h. Myocardial injury was assessed with high-sensitive cardiac troponin T (hs-cTnT) measured at baseline, 24, 48 and 72 h. Haemodynamics were assessed with right heart catheterisation and blood-gas analyses every 4th hour for 48 h. RESULTS We included 125 OHCA-patients. 57 (46%) had an AMI, with 31 and 26 patients randomised to hypercapnia and normocapnia, respectively. Median peak hs-cTnT in AMI-patients was 58% lower in the hypercapnia-group: 2136 (IQR: 861-4462) versus 5165 ng/L (IQR: 2773-7519), p = 0.007. Lower average area under the hs-cTnT curve was observed in the hypercapnia-group: 2353 (95% CI 1388-3319) versus 4953 ng/L (95% CI 3566-6341), P-group = 0.002. Hypercapnia was associated with increased cardiac power output (CPO) and lower lactate levels in patients with AMI (P-group < 0.05). hs-cTnT, lactate and CPO were not significantly different between intervention groups in OHCA-patients without AMI (p > 0.05). CONCLUSIONS Mild hypercapnia was not associated with increased myocardial injury in resuscitated OHCA-patients. In AMI-patients, mild hypercapnia was associated with lower hs-cTnT and lactate, and improved cardiac performance. TRIAL REGISTRATION NUMBER NCT03114033.
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Affiliation(s)
- Mathias Baumann Melberg
- Department of Research and Development, Division of Emergencies and Critical Care, Department of Cardiology, Division of Medicine, Oslo University Hospital, Oslo, Norway; Institute of Clinical Medicine, University of Oslo, Norway.
| | - Arnljot Flaa
- Department of Research and Development, Division of Emergencies and Critical Care, Department of Cardiology, Division of Medicine, Oslo University Hospital, Oslo, Norway
| | - Geir Øystein Andersen
- Department of Research and Development, Division of Emergencies and Critical Care, Department of Cardiology, Division of Medicine, Oslo University Hospital, Oslo, Norway
| | - Kjetil Sunde
- Department of Anaesthesiology and Intensive Care, Division of Emergencies and Critical Care, Oslo University Hospital, Oslo, Norway and Institute of Clinical Medicine, University of Oslo, Norway
| | - Rinaldo Bellomo
- Department of Intensive Care, Austin Hospital, Heidelberg, Victoria, Australia; Australian and New Zealand Intensive Care Research Centre, Monash University, Victoria, Melbourne, Australia; Department of Critical Care, Melbourne University, Melbourne, Australia; Department of Intensive Care, Royal Melbourne Hospital, Melbourne, Australia
| | - Glenn Eastwood
- Department of Intensive Care, Austin Hospital, Heidelberg, Victoria, Australia; Australian and New Zealand Intensive Care Research Centre, Monash University, Victoria, Melbourne, Australia
| | - Theresa Mariero Olasveengen
- Department of Anaesthesiology and Intensive Care, Division of Emergencies and Critical Care, Oslo University Hospital, Oslo, Norway and Institute of Clinical Medicine, University of Oslo, Norway
| | - Eirik Qvigstad
- Department of Research and Development, Division of Emergencies and Critical Care, Department of Cardiology, Division of Medicine, Oslo University Hospital, Oslo, Norway
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Dasgupta I, Rangineni DP, Abdelsaid H, Ma Y, Bhushan A. Tiny Organs, Big Impact: How Microfluidic Organ-on-Chip Technology Is Revolutionizing Mucosal Tissues and Vasculature. Bioengineering (Basel) 2024; 11:476. [PMID: 38790343 PMCID: PMC11117503 DOI: 10.3390/bioengineering11050476] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2024] [Revised: 05/04/2024] [Accepted: 05/07/2024] [Indexed: 05/26/2024] Open
Abstract
Organ-on-chip (OOC) technology has gained importance for biomedical studies and drug development. This technology involves microfluidic devices that mimic the structure and function of specific human organs or tissues. OOCs are a promising alternative to traditional cell-based models and animals, as they provide a more representative experimental model of human physiology. By creating a microenvironment that closely resembles in vivo conditions, OOC platforms enable the study of intricate interactions between different cells as well as a better understanding of the underlying mechanisms pertaining to diseases. OOCs can be integrated with other technologies, such as sensors and imaging systems to monitor real-time responses and gather extensive data on tissue behavior. Despite these advances, OOCs for many organs are in their initial stages of development, with several challenges yet to be overcome. These include improving the complexity and maturity of these cellular models, enhancing their reproducibility, standardization, and scaling them up for high-throughput uses. Nonetheless, OOCs hold great promise in advancing biomedical research, drug discovery, and personalized medicine, benefiting human health and well-being. Here, we review several recent OOCs that attempt to overcome some of these challenges. These OOCs with unique applications can be engineered to model organ systems such as the stomach, cornea, blood vessels, and mouth, allowing for analyses and investigations under more realistic conditions. With this, these models can lead to the discovery of potential therapeutic interventions. In this review, we express the significance of the relationship between mucosal tissues and vasculature in organ-on-chip (OOC) systems. This interconnection mirrors the intricate physiological interactions observed in the human body, making it crucial for achieving accurate and meaningful representations of biological processes within OOC models. Vasculature delivers essential nutrients and oxygen to mucosal tissues, ensuring their proper function and survival. This exchange is critical for maintaining the health and integrity of mucosal barriers. This review will discuss the OOCs used to represent the mucosal architecture and vasculature, and it can encourage us to think of ways in which the integration of both can better mimic the complexities of biological systems and gain deeper insights into various physiological and pathological processes. This will help to facilitate the development of more accurate predictive models, which are invaluable for advancing our understanding of disease mechanisms and developing novel therapeutic interventions.
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Affiliation(s)
| | | | | | | | - Abhinav Bhushan
- Department of Biomedical Engineering, Illinois Institute of Technology, Chicago, IL 60616, USA; (I.D.); (D.P.R.); (H.A.); (Y.M.)
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Yang K, Li T, Geng Y, Zou X, Peng F, Gao W. The role of mitophagy in the development of chronic kidney disease. PeerJ 2024; 12:e17260. [PMID: 38680884 PMCID: PMC11056108 DOI: 10.7717/peerj.17260] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2023] [Accepted: 03/28/2024] [Indexed: 05/01/2024] Open
Abstract
Chronic kidney disease (CKD) represents a significant global health concern, with renal fibrosis emerging as a prevalent and ultimate manifestation of this condition. The absence of targeted therapies presents an ongoing and substantial challenge. Accumulating evidence suggests that the integrity and functionality of mitochondria within renal tubular epithelial cells (RTECs) often become compromised during CKD development, playing a pivotal role in the progression of renal fibrosis. Mitophagy, a specific form of autophagy, assumes responsibility for eliminating damaged mitochondria to uphold mitochondrial equilibrium. Dysregulated mitophagy not only correlates with disrupted mitochondrial dynamics but also contributes to the advancement of renal fibrosis in CKD. While numerous studies have examined mitochondrial metabolism, ROS (reactive oxygen species) production, inflammation, and apoptosis in kidney diseases, the precise pathogenic mechanisms underlying mitophagy in CKD remain elusive. The exact mechanisms through which modulating mitophagy mitigates renal fibrosis, as well as its influence on CKD progression and prognosis, have not undergone systematic investigation. The role of mitophagy in AKI has been relatively clear, but the role of mitophagy in CKD is still rare. This article presents a comprehensive review of the current state of research on regulating mitophagy as a potential treatment for CKD. The objective is to provide fresh perspectives, viable strategies, and practical insights into CKD therapy, thereby contributing to the enhancement of human living conditions and patient well-being.
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Affiliation(s)
- Kexin Yang
- Department of Pathophysiology, School of Basic Medical Sciences, Shandong Second Medical University, Weifang, Shandong, China
| | - Ting Li
- Department of Pathophysiology, School of Basic Medical Sciences, Shandong Second Medical University, Weifang, Shandong, China
| | - Yingpu Geng
- School of Clinical Medicine, Shandong Second Medical University, Weifang, Shandong, China
| | - Xiangyu Zou
- Department of Pathophysiology, School of Basic Medical Sciences, Shandong Second Medical University, Weifang, Shandong, China
| | - Fujun Peng
- Department of Pathophysiology, School of Basic Medical Sciences, Shandong Second Medical University, Weifang, Shandong, China
| | - Wei Gao
- Department of Pathophysiology, School of Basic Medical Sciences, Shandong Second Medical University, Weifang, Shandong, China
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Li Y, Lv C, Li Z, Chen C, Cheng Y. Magnetic modulation of lysosomes for cancer therapy. WILEY INTERDISCIPLINARY REVIEWS. NANOMEDICINE AND NANOBIOTECHNOLOGY 2024; 16:e1947. [PMID: 38488191 DOI: 10.1002/wnan.1947] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/07/2023] [Revised: 02/06/2024] [Accepted: 02/07/2024] [Indexed: 03/19/2024]
Abstract
Lysosomes play a central role in biochemical signal transduction and oxidative stress in cells. Inducing lysosome membrane penetration (LMP) to cause lysosomal-dependent cell death (LCD) in tumor cells is an effective strategy for cancer therapy. Chemical drugs can destroy the stability of lysosomes by neutralizing protons within the lysosomes or enhancing the fragility of the lysosomal membranes. However, there remain several unsolved problems of traditional drugs in LMP induction due to insufficient lysosomal targeting, fast metabolism, and toxicity in normal cells. With the development of nanotechnology, magnetic nanoparticles have been demonstrated to target lysosomes naturally, providing a versatile tool for lysosomal modulation. Combined with excellent tissue penetration and spatiotemporal manipulability of magnetic fields, magnetic modulation of lysosomes progresses rapidly in inducing LMP and LCD for cancer therapy. This review comprehensively discussed the strategies of magnetic modulation of lysosomes for cancer therapy. The intrinsic mechanisms of LMP-induced LCD were first introduced. Then, the modulation of lysosomes by diverse physical outputs of magnetic fields was emphatically discussed. Looking forward, this review will shed the light on the prospect of magnetic modulation of lysosomes, inspiring future research of magnetic modulation strategy in cancer therapy. This article is categorized under: Therapeutic Approaches and Drug Discovery > Emerging Technologies Therapeutic Approaches and Drug Discovery > Nanomedicine for Oncologic Disease Nanotechnology Approaches to Biology > Nanoscale Systems in Biology.
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Affiliation(s)
- Yingze Li
- Shanghai Key Laboratory of Anesthesiology and Brain Functional Modulation, Clinical Research Center for Anesthesiology and Perioperative Medicine, School of Medicine, Translational Research Institute of Brain and Brain-Like Intelligence, Shanghai Fourth People's Hospital, Tongji University, Shanghai, China
- Department of Thoracic Surgery, Shanghai Pulmonary Hospital, Tongji University School of Medicine, Shanghai, China
| | - Cheng Lv
- Shanghai Key Laboratory of Anesthesiology and Brain Functional Modulation, Clinical Research Center for Anesthesiology and Perioperative Medicine, School of Medicine, Translational Research Institute of Brain and Brain-Like Intelligence, Shanghai Fourth People's Hospital, Tongji University, Shanghai, China
| | - Zhenguang Li
- Shanghai Key Laboratory of Anesthesiology and Brain Functional Modulation, Clinical Research Center for Anesthesiology and Perioperative Medicine, School of Medicine, Translational Research Institute of Brain and Brain-Like Intelligence, Shanghai Fourth People's Hospital, Tongji University, Shanghai, China
| | - Chang Chen
- Department of Thoracic Surgery, Shanghai Pulmonary Hospital, Tongji University School of Medicine, Shanghai, China
| | - Yu Cheng
- Shanghai Key Laboratory of Anesthesiology and Brain Functional Modulation, Clinical Research Center for Anesthesiology and Perioperative Medicine, School of Medicine, Translational Research Institute of Brain and Brain-Like Intelligence, Shanghai Fourth People's Hospital, Tongji University, Shanghai, China
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Ak K, Dericioğlu O, Midi A, Kararmaz A, Er Z, Doğusan Z, Arsan S. Comparison of Bretschneider HTK and Blood Cardioplegia (4:1): A Prospective Randomized Study. Thorac Cardiovasc Surg 2024; 72:11-20. [PMID: 36638809 DOI: 10.1055/s-0042-1759710] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Abstract
BACKGROUND We compared the effect of intermittent blood and histidine-tryptophan-ketoglutarate (HTK) solution of Bretschneider on myocardial histopathology and perioperative outcome. METHODS Forty adult cardiac surgery patients were grouped into two (n = 20 for each): (1) Intermittent blood cardioplegia (IBC): had repeated cold 4:1 blood cardioplegia and (2) HTK: had a single dose of cold HTK for cardioprotection. Creatine kinase (CK)-MB, Troponin-I (cTn-I), pH, and lactate were studied in coronary sinus blood before and after aortic cross-clamping (AXC) and systemic blood at postoperative 6th, 24th, and 48th hours. Myocardial biopsy was performed before and after AXC for light microscopy. Vacuolation, inflammation, edema, and glycogen were graded semiquantitatively (from 0 to 3). The myocardial apoptotic index was evaluated via the terminal deoxynucleotidyl transferase dUTP nick end labeling. RESULTS There were no differences in perioperative clinical outcomes between the groups. The coronary sinus samples after AXC were more acidotic (7.15 ± 0.14 vs. 7.32 ± 0.07, p = 0.001) and revealed higher CK-MB (21.0 ± 12.81 vs. 12.60 ± 11.80, p = 0.008) in HTK compared with IBC. The HTK had significantly a higher amount of erythrocyte suspension intraoperatively compared with IBC (0.21 ± 0.53 vs. 1.68 ± 0.93 U, p = 0.001). Microscopically, myocardial edema was more pronounced in HTK compared with IBC after AXC (2.25 ± 0.91 vs. 1.50 ± 0.04, p = 0.013). While a significant increase in the apoptotic index was seen after AXC in both groups (p = 0.001), no difference was detected between the groups (p = 0.417). CONCLUSION IBC and HTK have a similar clinical outcome and protective effect, except for more pronounced myocardial edema and increased need for intraoperative transfusion with HTK.
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Affiliation(s)
- Koray Ak
- Department of Cardiovascular Surgery, Marmara University School of Medicine, Marmara Uninersitesi Hastanesi Mimar Sinan Cad. Fevzi Cakmak Mah. Ust Kaynarca Kalp ve Damar Cerrahisi Bolumu Pendik, Istanbul, Turkey
| | - Okan Dericioğlu
- Department of Cardiovascular Surgery, Marmara University School of Medicine, Istanbul, Turkey
| | - Ahmet Midi
- Department of Pathology, Bahcesehir University, School of Medicine, Istanbul, Turkey
| | - Alper Kararmaz
- Department of Anesthesiology and Reanimation, Marmara University School of Medicine, Istanbul, Turkey
| | - Zafer Er
- Department of Cardiovascular Surgery, Bozok University Faculty of Medicine Ringgold Standard Institution, Yozgat, Yozgat, Turkey
| | - Zeynep Doğusan
- Department of Pathology, Bone Marrow Transplantation Unite, Yeni Yüzyıl University School of Medicine, Istanbul, Turkey
| | - Sinan Arsan
- Department of Cardiovascular Surgery, Marmara University School of Medicine, Istanbul, Turkey
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Yang X, Zhang Y, Luo JX, Zhu T, Ran Z, Mu BR, Lu MH. Targeting mitophagy for neurological disorders treatment: advances in drugs and non-drug approaches. NAUNYN-SCHMIEDEBERG'S ARCHIVES OF PHARMACOLOGY 2023; 396:3503-3528. [PMID: 37535076 DOI: 10.1007/s00210-023-02636-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/16/2023] [Accepted: 07/18/2023] [Indexed: 08/04/2023]
Abstract
Mitochondria serve as a vital energy source for nerve cells. The mitochondrial network also acts as a defense mechanism against external stressors that can threaten the stability of the nervous system. However, excessive accumulation of damaged mitochondria can lead to neuronal death. Mitophagy is an essential pathway in the mitochondrial quality control system and can protect neurons by selectively removing damaged mitochondria. In most neurological disorders, dysfunctional mitochondria are a common feature, and drugs that target mitophagy can improve symptoms. Here, we reviewed the role of mitophagy in Alzheimer's disease, Parkinson's disease, amyotrophic lateral sclerosis, Huntington's disease, stroke, and traumatic brain injuries. We also summarized drug and non-drug approaches to promote mitophagy and described their therapeutic role in neurological disorders in order to provide valuable insight into the potential therapeutic agents available for neurological disease treatment. However, most studies on mitophagy regulation are based on preclinical research using cell and animal models, which may not accurately reflect the effects in humans. This poses a challenge to the clinical application of drugs targeting mitophagy. Additionally, these drugs may carry the risk of intolerable side effects and toxicity. Future research should focus on the development of safer and more targeted drugs for mitophagy.
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Affiliation(s)
- Xiong Yang
- Chongqing Key Laboratory of Sichuan-Chongqing Co-construction for Diagnosis and Treatment of Infectious Diseases Integrated Traditional Chinese and Western Medicine, College of Medical Technology, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, China
| | - Yu Zhang
- Chongqing Key Laboratory of Sichuan-Chongqing Co-construction for Diagnosis and Treatment of Infectious Diseases Integrated Traditional Chinese and Western Medicine, College of Medical Technology, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, China
| | - Jia-Xin Luo
- Chongqing Key Laboratory of Sichuan-Chongqing Co-construction for Diagnosis and Treatment of Infectious Diseases Integrated Traditional Chinese and Western Medicine, College of Medical Technology, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, China
| | - Tao Zhu
- Chongqing Key Laboratory of Sichuan-Chongqing Co-construction for Diagnosis and Treatment of Infectious Diseases Integrated Traditional Chinese and Western Medicine, College of Medical Technology, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, China
| | - Zhao Ran
- Chongqing Key Laboratory of Sichuan-Chongqing Co-construction for Diagnosis and Treatment of Infectious Diseases Integrated Traditional Chinese and Western Medicine, College of Medical Technology, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, China
| | - Ben-Rong Mu
- Chongqing Key Laboratory of Sichuan-Chongqing Co-construction for Diagnosis and Treatment of Infectious Diseases Integrated Traditional Chinese and Western Medicine, College of Medical Technology, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, China.
| | - Mei-Hong Lu
- Chongqing Key Laboratory of Sichuan-Chongqing Co-construction for Diagnosis and Treatment of Infectious Diseases Integrated Traditional Chinese and Western Medicine, College of Medical Technology, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, China.
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Corradi F, Masini G, Bucciarelli T, De Caterina R. Iron deficiency in myocardial ischaemia: molecular mechanisms and therapeutic perspectives. Cardiovasc Res 2023; 119:2405-2420. [PMID: 37722377 DOI: 10.1093/cvr/cvad146] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/15/2023] [Revised: 05/14/2023] [Accepted: 07/10/2023] [Indexed: 09/20/2023] Open
Abstract
Systemic iron deficiency (SID), even in the absence of anaemia, worsens the prognosis and increases mortality in heart failure (HF). Recent clinical-epidemiological studies, however, have shown that a myocardial iron deficiency (MID) is frequently present in cases of severe HF, even in the absence of SID and without anaemia. In addition, experimental studies have shown a poor correlation between the state of systemic and myocardial iron. MID in animal models leads to severe mitochondrial dysfunction, alterations of mitophagy, and mitochondrial biogenesis, with profound alterations in cardiac mechanics and the occurrence of a fatal cardiomyopathy, all effects prevented by intravenous administration of iron. This shifts the focus to the myocardial state of iron, in the absence of anaemia, as an important factor in prognostic worsening and mortality in HF. There is now epidemiological evidence that SID worsens prognosis and mortality also in patients with acute and chronic coronary heart disease and experimental evidence that MID aggravates acute myocardial ischaemia as well as post-ischaemic remodelling. Intravenous administration of ferric carboxymaltose (FCM) or ferric dextrane improves post-ischaemic adverse remodelling. We here review such evidence, propose that MID worsens ischaemia/reperfusion injury, and discuss possible molecular mechanisms, such as chronic hyperactivation of HIF1-α, exacerbation of cytosolic and mitochondrial calcium overload, amplified increase of mitochondrial [NADH]/[NAD+] ratio, and depletion of energy status and NAD+ content with inhibition of sirtuin 1-3 activity. Such evidence now portrays iron metabolism as a core factor not only in HF but also in myocardial ischaemia.
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Affiliation(s)
- Francesco Corradi
- Department of Medicine and Aging Sciences, "G. D'Annunzio" University of Chieti-Pescara, Via dei Vestini, 66100, Chieti, Italy
| | - Gabriele Masini
- Chair and Postgraduate School of Cardiology, University of Pisa, Via Savi 10, 56126, Pisa, Italy
| | - Tonino Bucciarelli
- Department of Medicine and Aging Sciences, "G. D'Annunzio" University of Chieti-Pescara, Via dei Vestini, 66100, Chieti, Italy
| | - Raffaele De Caterina
- Chair and Postgraduate School of Cardiology, University of Pisa, Via Savi 10, 56126, Pisa, Italy
- Fondazione VillaSerena per la Ricerca, Viale L. Petruzzi 42, 65013, Città Sant'Angelo, Pescara, Italy
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Yan K, He Q, Lin D, Liang J, Chen J, Xie Z, Chen Z. Promotion of NAD + recycling by the hypoxia-induced shift in the lactate dehydrogenase isozyme profile reduces the senescence of human bone marrow-derived endothelial progenitor cells. Free Radic Biol Med 2023; 208:88-102. [PMID: 37536460 DOI: 10.1016/j.freeradbiomed.2023.07.035] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/19/2023] [Revised: 07/20/2023] [Accepted: 07/31/2023] [Indexed: 08/05/2023]
Abstract
Expansion of bone marrow-derived endothelial progenitor cells (EPCs) in vitro to obtain required cell numbers for therapeutic applications faces the challenge of growing cell senescence under the traditional normoxic culture condition. We previously found that 1% O2 hypoxic culture condition is favorable for reducing senescence of EPCs, but the mechanisms underlying the favorability are still unclear. Here, we found that, compared with normoxia, hypoxia induced a shift in lactate dehydrogenase (LDH) isozyme profile, which manifested as decreased LDH2 and LDH1 and increased LDH5, LDH4 and total LDHs. Moreover, under hypoxia, EPCs presented higher LDH activity, which could promote the conversion of pyruvate to lactate, as well as a higher level of NAD+, Bcl2 interacting protein 3 (BNIP3) expression and mitophagy. Additionally, under hypoxia, knock-down of the LDHA subunit increased the LDH2 and LDH1 levels and knock-down of the LDHB subunit increased the LDH5 level, while the simultaneous knock-down of LDHA and LDHB reduced total LDHs and NAD+ level. Inhibition of NAD+ recycling reduced BNIP3 expression and mitophagy and promoted cell senescence. Taken together, these data demonstrated that 1% O2 hypoxia induces a shift in the LDH isozyme profile, promotes NAD+ recycling, increases BNIP3 expression and mitophagy, and reduces EPC senescence. Our findings contribute to a better understanding of the connection between hypoxic culture conditions and the senescence of bone marrow-derived EPCs and provide a novel strategy to improve in vitro expansion of EPCs.
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Affiliation(s)
- Kaihao Yan
- Department of Neurosurgery, The National Key Clinical Specialty, The Engineering Technology Research Center of Education Ministry of China, Guangdong Provincial Key Laboratory on Brain Function Repair and Regeneration, Zhujiang Hospital, Southern Medical University, Guangzhou 510282, China
| | - Qiwei He
- Department of Neurosurgery, The National Key Clinical Specialty, The Engineering Technology Research Center of Education Ministry of China, Guangdong Provincial Key Laboratory on Brain Function Repair and Regeneration, Zhujiang Hospital, Southern Medical University, Guangzhou 510282, China
| | - Dongni Lin
- Department of Neurosurgery, The National Key Clinical Specialty, The Engineering Technology Research Center of Education Ministry of China, Guangdong Provincial Key Laboratory on Brain Function Repair and Regeneration, Zhujiang Hospital, Southern Medical University, Guangzhou 510282, China
| | - Jianli Liang
- Department of Neurosurgery, The National Key Clinical Specialty, The Engineering Technology Research Center of Education Ministry of China, Guangdong Provincial Key Laboratory on Brain Function Repair and Regeneration, Zhujiang Hospital, Southern Medical University, Guangzhou 510282, China
| | - Junxiong Chen
- Department of Neurosurgery, The National Key Clinical Specialty, The Engineering Technology Research Center of Education Ministry of China, Guangdong Provincial Key Laboratory on Brain Function Repair and Regeneration, Zhujiang Hospital, Southern Medical University, Guangzhou 510282, China
| | - Zijing Xie
- Department of Neurosurgery, The National Key Clinical Specialty, The Engineering Technology Research Center of Education Ministry of China, Guangdong Provincial Key Laboratory on Brain Function Repair and Regeneration, Zhujiang Hospital, Southern Medical University, Guangzhou 510282, China
| | - Zhenzhou Chen
- Department of Neurosurgery, The National Key Clinical Specialty, The Engineering Technology Research Center of Education Ministry of China, Guangdong Provincial Key Laboratory on Brain Function Repair and Regeneration, Zhujiang Hospital, Southern Medical University, Guangzhou 510282, China.
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Pileggi CA, Parmar G, Elkhatib H, Stewart CM, Alecu I, Côté M, Bennett SA, Sandhu JK, Cuperlovic-Culf M, Harper ME. The SARS-CoV-2 spike glycoprotein interacts with MAO-B and impairs mitochondrial energetics. CURRENT RESEARCH IN NEUROBIOLOGY 2023; 5:100112. [PMID: 38020812 PMCID: PMC10663135 DOI: 10.1016/j.crneur.2023.100112] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2023] [Revised: 08/21/2023] [Accepted: 09/25/2023] [Indexed: 12/01/2023] Open
Abstract
SARS-CoV-2 infection is associated with both acute and post-acute neurological symptoms. Emerging evidence suggests that SARS-CoV-2 can alter mitochondrial metabolism, suggesting that changes in brain metabolism may contribute to the development of acute and post-acute neurological complications. Monoamine oxidase B (MAO-B) is a flavoenzyme located on the outer mitochondrial membrane that catalyzes the oxidative deamination of monoamine neurotransmitters. Computational analyses have revealed high similarity between the SARS-CoV-2 spike glycoprotein receptor binding domain on the ACE2 receptor and MAO-B, leading to the hypothesis that SARS-CoV-2 spike glycoprotein may alter neurotransmitter metabolism by interacting with MAO-B. Our results empirically establish that the SARS-CoV-2 spike glycoprotein interacts with MAO-B, leading to increased MAO-B activity in SH-SY5Y neuron-like cells. Common to neurodegenerative disease pathophysiological mechanisms, we also demonstrate that the spike glycoprotein impairs mitochondrial bioenergetics, induces oxidative stress, and perturbs the degradation of depolarized aberrant mitochondria through mitophagy. Our findings also demonstrate that SH-SY5Y neuron-like cells expressing the SARS-CoV-2 spike protein were more susceptible to MPTP-induced necrosis, likely necroptosis. Together, these results reveal novel mechanisms that may contribute to SARS-CoV-2-induced neurodegeneration.
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Affiliation(s)
- Chantal A. Pileggi
- Department of Biochemistry, Microbiology and Immunology, Faculty of Medicine, University of Ottawa, 451 Smyth Road, Ottawa, ON, K1H 8M5, Canada
- Ottawa Institute of Systems Biology, University of Ottawa, ON, K1H 8M5, Canada
- National Research Council of Canada, Digital Technologies Research Centre, 1200 Montreal Road, Ottawa, ON, K1A 0R6, Canada
| | - Gaganvir Parmar
- Department of Biochemistry, Microbiology and Immunology, Faculty of Medicine, University of Ottawa, 451 Smyth Road, Ottawa, ON, K1H 8M5, Canada
- Ottawa Institute of Systems Biology, University of Ottawa, ON, K1H 8M5, Canada
| | - Hussein Elkhatib
- Department of Biochemistry, Microbiology and Immunology, Faculty of Medicine, University of Ottawa, 451 Smyth Road, Ottawa, ON, K1H 8M5, Canada
- Ottawa Institute of Systems Biology, University of Ottawa, ON, K1H 8M5, Canada
| | - Corina M. Stewart
- Department of Biochemistry, Microbiology and Immunology, Faculty of Medicine, University of Ottawa, 451 Smyth Road, Ottawa, ON, K1H 8M5, Canada
- Ottawa Institute of Systems Biology, University of Ottawa, ON, K1H 8M5, Canada
- Current Address: Faculty of Medicine, University of British Columbia, Vancouver, BC, Canada
| | - Irina Alecu
- Department of Biochemistry, Microbiology and Immunology, Faculty of Medicine, University of Ottawa, 451 Smyth Road, Ottawa, ON, K1H 8M5, Canada
- Ottawa Institute of Systems Biology, University of Ottawa, ON, K1H 8M5, Canada
- Neural Regeneration Laboratory, Department of Biochemistry, Microbiology and Immunology, Faculty of Medicine, University of Ottawa, 451 Smyth Road, Ottawa, ON, K1H 8M5, Canada
| | - Marceline Côté
- Department of Biochemistry, Microbiology and Immunology, Faculty of Medicine, University of Ottawa, 451 Smyth Road, Ottawa, ON, K1H 8M5, Canada
- Ottawa Institute of Systems Biology, University of Ottawa, ON, K1H 8M5, Canada
- Centre for Infection, Immunity and Inflammation, University of Ottawa, ON, K1H 8M5, Canada
| | - Steffany A.L. Bennett
- Department of Biochemistry, Microbiology and Immunology, Faculty of Medicine, University of Ottawa, 451 Smyth Road, Ottawa, ON, K1H 8M5, Canada
- Ottawa Institute of Systems Biology, University of Ottawa, ON, K1H 8M5, Canada
- Neural Regeneration Laboratory, Department of Biochemistry, Microbiology and Immunology, Faculty of Medicine, University of Ottawa, 451 Smyth Road, Ottawa, ON, K1H 8M5, Canada
| | - Jagdeep K. Sandhu
- Department of Biochemistry, Microbiology and Immunology, Faculty of Medicine, University of Ottawa, 451 Smyth Road, Ottawa, ON, K1H 8M5, Canada
- Ottawa Institute of Systems Biology, University of Ottawa, ON, K1H 8M5, Canada
- Centre for Infection, Immunity and Inflammation, University of Ottawa, ON, K1H 8M5, Canada
- Human Health Therapeutics Research Centre, National Research Council Canada, 1200 Montreal Road, Ottawa, ON, K1A 0R6, Canada
| | - Miroslava Cuperlovic-Culf
- Department of Biochemistry, Microbiology and Immunology, Faculty of Medicine, University of Ottawa, 451 Smyth Road, Ottawa, ON, K1H 8M5, Canada
- Ottawa Institute of Systems Biology, University of Ottawa, ON, K1H 8M5, Canada
- National Research Council of Canada, Digital Technologies Research Centre, 1200 Montreal Road, Ottawa, ON, K1A 0R6, Canada
| | - Mary-Ellen Harper
- Department of Biochemistry, Microbiology and Immunology, Faculty of Medicine, University of Ottawa, 451 Smyth Road, Ottawa, ON, K1H 8M5, Canada
- Ottawa Institute of Systems Biology, University of Ottawa, ON, K1H 8M5, Canada
- Centre for Infection, Immunity and Inflammation, University of Ottawa, ON, K1H 8M5, Canada
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10
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Luo W, Bian X, Liu X, Zhang W, Xie Q, Feng L. A new method for the treatment of myocardial ischemia-reperfusion injury based on γδT cell-mediated immune response. Front Cardiovasc Med 2023; 10:1219316. [PMID: 37600023 PMCID: PMC10435296 DOI: 10.3389/fcvm.2023.1219316] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2023] [Accepted: 07/18/2023] [Indexed: 08/22/2023] Open
Abstract
Acute myocardial ischemia is a disease with high morbidity and mortality, and re-perfusion is currently the best intervention. However, re-perfusion may lead to further myocardial injury and increase the area of myocardial infarction. The mechanism of myocardial ischemia-re-perfusion injury is complex, but with more in-depth study, it has been proved that the immune system plays an important role in the process of MIRI. Among them, the γδT cell population has received increasing attention as the main early source of IL-17A in many immune response models. Because γδT cells have the characteristics of linking innate immunity and adaptive immunity,they can rapidly produce IL-17A and produce subsequent immune killing of cardiomyocytes. It can be seen that γδT cells play an important role in MIRI. Therefore, here we review the research progress of immune response in myocardial ischemia-re-perfusion injury, the key characteristics of γδT cells and the role of rapidly produced IL-17 in myocardial ischemia-re-perfusion injury, and propose relevant treatment strategies and prospects for myocardial repair, in order to provide new ideas and methods for clinical treatment of myocardial ischemia-re-perfusion injury.
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Affiliation(s)
- Wei Luo
- Graduate School, Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Xiaohong Bian
- Graduate School, Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Xiaona Liu
- Graduate School, Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Wenchao Zhang
- Graduate School, Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Qing Xie
- Graduate School, Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Limin Feng
- Department of Cardiology, The Second Affiliated Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin, China
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11
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DeBerge M, Chaudhary R, Schroth S, Thorp EB. Immunometabolism at the Heart of Cardiovascular Disease. JACC Basic Transl Sci 2023; 8:884-904. [PMID: 37547069 PMCID: PMC10401297 DOI: 10.1016/j.jacbts.2022.12.010] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/05/2022] [Revised: 12/21/2022] [Accepted: 12/27/2022] [Indexed: 08/08/2023]
Abstract
Immune cell function among the myocardium, now more than ever, is appreciated to regulate cardiac function and pathophysiology. This is the case for both innate immunity, which includes neutrophils, monocytes, dendritic cells, and macrophages, as well as adaptive immunity, which includes T cells and B cells. This function is fueled by cell-intrinsic shifts in metabolism, such as glycolysis and oxidative phosphorylation, as well as metabolite availability, which originates from the surrounding extracellular milieu and varies during ischemia and metabolic syndrome. Immune cell crosstalk with cardiac parenchymal cells, such as cardiomyocytes and fibroblasts, is also regulated by complex cellular metabolic circuits. Although our understanding of immunometabolism has advanced rapidly over the past decade, in part through valuable insights made in cultured cells, there remains much to learn about contributions of in vivo immunometabolism and directly within the myocardium. Insight into such fundamental cell and molecular mechanisms holds potential to inform interventions that shift the balance of immunometabolism from maladaptive to cardioprotective and potentially even regenerative. Herein, we review our current working understanding of immunometabolism, specifically in the settings of sterile ischemic cardiac injury or cardiometabolic disease, both of which contribute to the onset of heart failure. We also discuss current gaps in knowledge in this context and therapeutic implications.
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Affiliation(s)
| | | | | | - Edward B. Thorp
- Address for correspondence: Dr Edward B. Thorp, Department of Pathology, Northwestern University Feinberg School of Medicine, 303 East Chicago Avenue Ward 4-116, Chicago, Illinois 60611, USA.
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12
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Liu S, Kang L, Song Y, Miao M. Role of the HIF-1α/BNIP3 Signaling Pathway in Recurrent Hepatocellular Carcinoma and the Mechanism of Traditional Chinese Medicine. J Hepatocell Carcinoma 2023; 10:893-908. [PMID: 37313302 PMCID: PMC10259603 DOI: 10.2147/jhc.s409292] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2023] [Accepted: 06/01/2023] [Indexed: 06/15/2023] Open
Abstract
Recurrence of hepatocellular carcinoma (HCC) negatively affects the quality of life of patients and leads to death. Studies have shown that recurrent hepatocellular carcinoma (RHCC) is closely related to tissue hypoxia and autophagy. It has been shown that hypoxia-inducible factor-1α (HIF-1α) and its downstream factor BCL-2 19 kDa-interacting protein 3 (BNIP3) promote cellular autophagy under hypoxic conditions, resulting in metastasis and RHCC. In this article, the molecular structures of HIF-1α and BNIP3 are described, and the significance of the HIF-1α/BNIP3 signaling pathway in RHCC is explained. Moreover, the role and mechanism of traditional Chinese medicine (TCM) in treating RHCC by modulating the HIF-1α/BNIP3 signaling pathway is discussed. Studies have shown that the HIF-1α/BNIP3 signaling pathway is a potential target of TCM in the treatment of RHCC. The mechanism of the HIF-1α/BNIP3 signaling pathway in RHCC and the progress achieved in TCM research on targeting and regulating this pathway are also reviewed in this article. The objective was to provide a theoretical basis for the prevention and treatment of RHCC, as well as further drug development.
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Affiliation(s)
- Sizhe Liu
- School of Pharmacy, Henan University of Chinese Medicine, Zhengzhou, 450046, People’s Republic of China
| | - Le Kang
- School of Pharmacy, Henan University of Chinese Medicine, Zhengzhou, 450046, People’s Republic of China
| | - Yagang Song
- School of Pharmacy, Henan University of Chinese Medicine, Zhengzhou, 450046, People’s Republic of China
| | - Mingsan Miao
- School of Pharmacy, Henan University of Chinese Medicine, Zhengzhou, 450046, People’s Republic of China
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13
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Kumar V, Kingsley D, Perikamana SM, Mogha P, Goodwin CR, Varghese S. Self-assembled innervated vasculature-on-a-chip to study nociception. Biofabrication 2023; 15:10.1088/1758-5090/acc904. [PMID: 36996841 PMCID: PMC10152403 DOI: 10.1088/1758-5090/acc904] [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: 10/30/2022] [Accepted: 03/30/2023] [Indexed: 04/01/2023]
Abstract
Nociceptor sensory neurons play a key role in eliciting pain. An active crosstalk between nociceptor neurons and the vascular system at the molecular and cellular level is required to sense and respond to noxious stimuli. Besides nociception, interaction between nociceptor neurons and vasculature also contributes to neurogenesis and angiogenesis.In vitromodels of innervated vasculature can greatly help delineate these roles while facilitating disease modeling and drug screening. Herein, we report the development of a microfluidic-assisted tissue model of nociception in the presence of microvasculature. The self-assembled innervated microvasculature was engineered using endothelial cells and primary dorsal root ganglion (DRG) neurons. The sensory neurons and the endothelial cells displayed distinct morphologies in presence of each other. The neurons exhibited an elevated response to capsaicin in the presence of vasculature. Concomitantly, increased transient receptor potential cation channel subfamily V member 1 (TRPV1) receptor expression was observed in the DRG neurons in presence of vascularization. Finally, we demonstrated the applicability of this platform for modeling nociception associated with tissue acidosis. While not demonstrated here, this platform could also serve as a tool to study pain resulting from vascular disorders while also paving the way towards the development of innervated microphysiological models.
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Affiliation(s)
- Vardhman Kumar
- Department of Biomedical Engineering, Duke University, Durham NC
| | - David Kingsley
- Department of Orthopaedic Surgery, Duke University School of Medicine, Durham NC
| | | | - Pankaj Mogha
- Department of Orthopaedic Surgery, Duke University School of Medicine, Durham NC
| | - C Rory Goodwin
- Department of Neurosurgery, Spine Division, Duke University Medical Center, Durham, NC
| | - Shyni Varghese
- Department of Biomedical Engineering, Duke University, Durham NC
- Department of Orthopaedic Surgery, Duke University School of Medicine, Durham NC
- Department of Mechanical Engineering and Material Science, Duke University, Durham NC
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14
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Santana Maldonado C, Weir A, Rumbeiha WK. A comprehensive review of treatments for hydrogen sulfide poisoning: past, present, and future. Toxicol Mech Methods 2023; 33:183-196. [PMID: 36076319 DOI: 10.1080/15376516.2022.2121192] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
Abstract
Hydrogen sulfide (H2S) poisoning remains a significant source of occupational fatalities and is the second most common cause of toxic gas-induced deaths. It is a rapidly metabolized systemic toxicant targeting the mitochondria, among other organelles. Intoxication is mostly acute, but chronic or in-between exposure scenarios also occur. Some genetic defects in H2S metabolism lead to lethal chronic H2S poisoning. In acute exposures, the neural, respiratory, and cardiovascular systems are the primary target organs resulting in respiratory distress, convulsions, hypotension, and cardiac irregularities. Some survivors of acute poisoning develop long-term sequelae, particularly in the central nervous system. Currently, treatment for H2S poisoning is primarily supportive care as there are no FDA-approved drugs. Besides hyperbaric oxygen treatment, drugs in current use for the management of H2S poisoning are controversial. Novel potential drugs are under pre-clinical research development, most of which target binding the H2S. However, there is an acute need to discover new drugs to prevent and treat H2S poisoning, including reducing mortality and morbidity, preventing sequalae from acute exposures, and for treating cumulative pathology from chronic exposures. In this paper, we perform a comprehensive review of H2S poisoning including perspectives on past, present, and future.
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Affiliation(s)
| | - Abigail Weir
- Molecular Biosciences, University of California, Davis, Davis, CA, USA
| | - Wilson K Rumbeiha
- Molecular Biosciences, University of California, Davis, Davis, CA, USA
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15
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Miao F, Li X, Wang C, Yuan H, Wu Z. Bioinformatics analysis of differentially expressed genes in diabetic foot ulcer and preliminary experimental verification. ANNALS OF TRANSLATIONAL MEDICINE 2023; 11:89. [PMID: 36819522 PMCID: PMC9929774 DOI: 10.21037/atm-22-6437] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/22/2022] [Accepted: 01/10/2023] [Indexed: 01/18/2023]
Abstract
Background Molecular changes are closely related to the pathogenesis and healing process of diabetic foot ulcers (DFUs), and are crucial for the early prediction and intervention of DFU. Methods Bioinformatics analysis was performed in this study to identify the key differentially expressed genes (DEGs) in DFU, analyze their functions and function modes, and conduct preliminary experimental verification to determine the potential pivotal genes in the pathogenesis of DFU. Two datasets, GSE68183 and GSE80178, were obtained from the Gene Expression Omnibus (GEO). DEGs were obtained using GEO2R. Six co-expressed DEGs (co-DEGs) were obtained by R language analysis. The co-DEGs were constructed by using STRING and Cytoscape 3.7.2 to construct a protein-protein interaction (PPI) network, and two hub genes, NHLRC3 and BNIP3, were identified. The BNIP3 gene was selected for further analysis. Co-DEGs were used for Gene Ontology (GO) function analysis using the WebGestalt database, and BNIP3-related biological processes focused on mitochondrial protein decomposition. GO function analysis of the BNIP3 gene and its interacting genes was carried out using the cluster profile package and org.hs.eg. db package of the R language and its biological process was enriched in the cell response to external stimuli and autophagy. Results BNIP3 and its interacting genes were retrieved from the Kyoto Encyclopedia of Genes and Genomes (KEGG) database and KEGG pathway enrichment analysis was performed using the WebGestalt database. The results showed that BNIP3 was significantly correlated with mitochondrial autophagy and the FoxO signaling pathway. The miRDB and TargetScan databases were used to identify the relevant microRNAs (miRNAs) regulating the BNIP3 gene, and it was found that miRNA-182 may be involved in the targeted regulation of BNIP3. Western blot analysis was performed to determine the abnormal expression of BNIP3. Conclusions Our study found that the BNIP3 gene may be a new biomarker and intervention target for DFU.
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Affiliation(s)
- Fang Miao
- NHC Key Laboratory of Hormones and Development, Tianjin Key Laboratory of Metabolic Diseases, Chu Hsien-I Memorial Hospital & Tianjin Institute of Endocrinology, Tianjin Medical University, Tianjin, China;,Department of Endocrinology, Shanxi Provincial People’s Hospital, Taiyuan, China
| | - Xixi Li
- Shanxi Medical University, Taiyuan, China
| | - Chenglin Wang
- Department of Endocrinology, Shanxi Provincial People’s Hospital, Taiyuan, China
| | - Heju Yuan
- Department of Endocrinology, Shanxi Provincial People’s Hospital, Taiyuan, China
| | - Zhongming Wu
- NHC Key Laboratory of Hormones and Development, Tianjin Key Laboratory of Metabolic Diseases, Chu Hsien-I Memorial Hospital & Tianjin Institute of Endocrinology, Tianjin Medical University, Tianjin, China;,Department of Endocrinology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, China
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16
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Kusumawardhani NY, Putra ICS, Kamarullah W, Afrianti R, Pramudyo M, Iqbal M, Prameswari HS, Achmad C, Tiksnadi BB, Akbar MR. Cardiovascular Disease in Post-Acute COVID-19 Syndrome: A Comprehensive Review of Pathophysiology and Diagnosis Approach. Rev Cardiovasc Med 2023; 24:28. [PMID: 39076856 PMCID: PMC11270463 DOI: 10.31083/j.rcm2401028] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2022] [Revised: 12/09/2022] [Accepted: 12/23/2022] [Indexed: 07/31/2024] Open
Abstract
Long COVID or post-acute Coronavirus disease 2019 (COVID-19), a malady defined by the persistence of COVID-19 symptoms for weeks or even months, is expected to affect the lives of millions of individuals worldwide significantly. Cardiopulmonary symptoms such as chest discomfort, shortness of breath, fatigue, and autonomic manifestations such as postural orthostatic tachycardia syndrome, and arrhythmias are prevalent and widely recognized. A variety of cardiovascular problems, including myocardial inflammation, myocardial infarction, ventricular dysfunction, and endothelial dysfunction, have been described in individuals following the initial acute phase. With over 10,000 published publications on COVID-19 and the cardiovascular system, presenting an unbiased thorough analysis of how SARS-CoV-2 affects the system is essentially challenging. This review will provide an overview of frequent cardiovascular manifestations, emphasizing consequences, proposed pathophysiology, and clinical diagnostic manifestation strategy.
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Affiliation(s)
- Nuraini Yasmin Kusumawardhani
- Department of Cardiology and Vascular Medicine, Faculty of Medicine, University of Padjadjaran, 40132 Bandung, Indonesia
- Department of Internal Medicine, Faculty of Medicine, University of Padjadjaran, 40132 Bandung, Indonesia
| | - Iwan Cahyo Santosa Putra
- Department of Cardiology and Vascular Medicine, Faculty of Medicine, University of Padjadjaran, 40132 Bandung, Indonesia
| | - William Kamarullah
- Emergency Department, R. Syamsudin SH Regional Public Hospital, Sukabumi, 43341 West Java, Indonesia
| | - Rien Afrianti
- Department of Cardiology and Vascular Medicine, Faculty of Medicine, University of Padjadjaran, 40132 Bandung, Indonesia
- Department of Internal Medicine, Faculty of Medicine, University of Padjadjaran, 40132 Bandung, Indonesia
| | - Miftah Pramudyo
- Department of Cardiology and Vascular Medicine, Faculty of Medicine, University of Padjadjaran, 40132 Bandung, Indonesia
| | - Mohammad Iqbal
- Department of Cardiology and Vascular Medicine, Faculty of Medicine, University of Padjadjaran, 40132 Bandung, Indonesia
| | - Hawani Sasmaya Prameswari
- Department of Cardiology and Vascular Medicine, Faculty of Medicine, University of Padjadjaran, 40132 Bandung, Indonesia
| | - Chaerul Achmad
- Department of Cardiology and Vascular Medicine, Faculty of Medicine, University of Padjadjaran, 40132 Bandung, Indonesia
| | - Badai Bhatara Tiksnadi
- Department of Cardiology and Vascular Medicine, Faculty of Medicine, University of Padjadjaran, 40132 Bandung, Indonesia
| | - Mohammad Rizki Akbar
- Department of Cardiology and Vascular Medicine, Faculty of Medicine, University of Padjadjaran, 40132 Bandung, Indonesia
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Qu K, Yan F, Qin X, Zhang K, He W, Dong M, Wu G. Mitochondrial dysfunction in vascular endothelial cells and its role in atherosclerosis. Front Physiol 2022; 13:1084604. [PMID: 36605901 PMCID: PMC9807884 DOI: 10.3389/fphys.2022.1084604] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2022] [Accepted: 12/09/2022] [Indexed: 12/24/2022] Open
Abstract
The mitochondria are essential organelles that generate large amounts of ATP via the electron transport chain (ECT). Mitochondrial dysfunction causes reactive oxygen species accumulation, energy stress, and cell death. Endothelial mitochondrial dysfunction is an important factor causing abnormal function of the endothelium, which plays a central role during atherosclerosis development. Atherosclerosis-related risk factors, including high glucose levels, hypertension, ischemia, hypoxia, and diabetes, promote mitochondrial dysfunction in endothelial cells. This review summarizes the physiological and pathophysiological roles of endothelial mitochondria in endothelial function and atherosclerosis.
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Affiliation(s)
- Kai Qu
- Clinical Research Center for Endocrinology and Metabolic Diseases, Chongqing University Three Gorges Hospital, Chongqing, China,College of Bioengineering Chongqing University, Chongqing, China
| | - Fang Yan
- Department of Geriatrics, Geriatric Diseases Institute of Chengdu, Chengdu Fifth People’s Hospital, Chengdu, Sichuan, China,Center for Medicine Research and Translation, Chengdu Fifth People’s Hospital, Chengdu, Sichuan, China
| | - Xian Qin
- Clinical Research Center for Endocrinology and Metabolic Diseases, Chongqing University Three Gorges Hospital, Chongqing, China,College of Bioengineering Chongqing University, Chongqing, China
| | - Kun Zhang
- Clinical Research Center for Endocrinology and Metabolic Diseases, Chongqing University Three Gorges Hospital, Chongqing, China,College of Bioengineering Chongqing University, Chongqing, China
| | - Wen He
- Department of Geriatrics, Clinical trial center, Chengdu Fifth People’s Hospital, Chengdu, Sichuan, China
| | - Mingqing Dong
- Center for Medicine Research and Translation, Chengdu Fifth People’s Hospital, Chengdu, Sichuan, China,*Correspondence: Mingqing Dong, ; Guicheng Wu,
| | - Guicheng Wu
- Clinical Research Center for Endocrinology and Metabolic Diseases, Chongqing University Three Gorges Hospital, Chongqing, China,*Correspondence: Mingqing Dong, ; Guicheng Wu,
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18
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Carrasco-Rozas A, Fernández-Simón E, Suárez-Calvet X, Piñol-Jurado P, Alonso-Pérez J, de Luna N, Schoser B, Meinke P, Domínguez-González C, Hernández-Laín A, Paradas C, Rivas E, Illa I, Olivé M, Gallardo E, Díaz-Manera J. BNIP3 Is Involved in Muscle Fiber Atrophy in Late-Onset Pompe Disease Patients. THE AMERICAN JOURNAL OF PATHOLOGY 2022; 192:1151-1166. [PMID: 35605642 DOI: 10.1016/j.ajpath.2022.05.003] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/07/2022] [Revised: 04/25/2022] [Accepted: 05/04/2022] [Indexed: 11/25/2022]
Abstract
Late-onset Pompe disease (LOPD) is a rare genetic disorder produced by mutations in the GAA gene and is characterized by progressive muscle weakness. LOPD muscle biopsies show accumulation of glycogen along with the autophagic vacuoles associated with atrophic muscle fibers. The expression of molecules related to muscle fiber atrophy in muscle biopsies of LOPD patients was studied using immunofluorescence and real-time PCR. BCL2 and adenovirus E1B 19-kDa interacting protein 3 (BNIP3), a well-known atrogene, was identified as a potential mediator of muscle fiber atrophy in LOPD muscle biopsies. Vacuolated fibers in LOPD patient muscle biopsies were smaller than nonvacuolated fibers and expressed BNIP3. The current data suggested that BNIP3 expression is regulated by inhibition of the AKT-mammalian target of rapamycin pathway, leading to phosphorylation of Unc-51 like autophagy activating kinase 1 (ULK1) at Ser317 by AMP-activated protein kinase. Myoblasts and myotubes obtained from LOPD patients and age-matched controls were studied to confirm these results using different molecular techniques. Myotubes derived from LOPD patients were likewise smaller and expressed BNIP3. Conclusively, transfection of BNIP3 into control myotubes led to myotube atrophy. These findings suggest a cascade that starts with the inhibition of the AKT-mammalian target of rapamycin pathway and activation of BNIP3 expression, leading to progressive muscle fiber atrophy. These results open the door to potential new treatments targeting BNIP3 to reduce its deleterious effects on muscle fiber atrophy in Pompe disease.
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Affiliation(s)
- Ana Carrasco-Rozas
- Neuromuscular Disorders Unit, Neurology Department, Hospital de la Santa Creu i Sant Pau and Biomedical Research Institute Sant Pau, Departament de Medicina, Universitat Autònoma de Barcelona, Barcelona, Spain
| | - Esther Fernández-Simón
- Neuromuscular Disorders Unit, Neurology Department, Hospital de la Santa Creu i Sant Pau and Biomedical Research Institute Sant Pau, Departament de Medicina, Universitat Autònoma de Barcelona, Barcelona, Spain; John Walton Muscular Dystrophy Research Center, Newcastle University Translational and Clinical Research Institute, Newcastle Upon Tyne, United Kingdom
| | - Xavier Suárez-Calvet
- Neuromuscular Disorders Unit, Neurology Department, Hospital de la Santa Creu i Sant Pau and Biomedical Research Institute Sant Pau, Departament de Medicina, Universitat Autònoma de Barcelona, Barcelona, Spain; Centro de Investigaciones Biomédicas en Red en Enfermedades Raras (CIBERER), Madrid, Spain
| | - Patricia Piñol-Jurado
- Neuromuscular Disorders Unit, Neurology Department, Hospital de la Santa Creu i Sant Pau and Biomedical Research Institute Sant Pau, Departament de Medicina, Universitat Autònoma de Barcelona, Barcelona, Spain; John Walton Muscular Dystrophy Research Center, Newcastle University Translational and Clinical Research Institute, Newcastle Upon Tyne, United Kingdom
| | - Jorge Alonso-Pérez
- Neuromuscular Disorders Unit, Neurology Department, Hospital de la Santa Creu i Sant Pau and Biomedical Research Institute Sant Pau, Departament de Medicina, Universitat Autònoma de Barcelona, Barcelona, Spain
| | - Noemí de Luna
- Neuromuscular Disorders Unit, Neurology Department, Hospital de la Santa Creu i Sant Pau and Biomedical Research Institute Sant Pau, Departament de Medicina, Universitat Autònoma de Barcelona, Barcelona, Spain; Centro de Investigaciones Biomédicas en Red en Enfermedades Raras (CIBERER), Madrid, Spain
| | - Benedikt Schoser
- Friedrich-Baur-Institute, Department of Neurology, LMU Klinikum, Munich, Germany
| | - Peter Meinke
- Friedrich-Baur-Institute, Department of Neurology, LMU Klinikum, Munich, Germany
| | - Cristina Domínguez-González
- Centro de Investigaciones Biomédicas en Red en Enfermedades Raras (CIBERER), Madrid, Spain; Department of Neurology, Neuromuscular Unit, 12 de Octubre University Hospital, Madrid, Spain; Research Institute of Hospital 12 de Octubre (i+12), Madrid, Spain
| | - Aurelio Hernández-Laín
- Centro de Investigaciones Biomédicas en Red en Enfermedades Raras (CIBERER), Madrid, Spain; Research Institute of Hospital 12 de Octubre (i+12), Madrid, Spain; Department of Pathology (Neuropathology), 12 de Octubre University Hospital, Madrid, Spain
| | - Carmen Paradas
- Neuromuscular Disorders Unit, Department of Neurology, Instituto de Biomedicina de Sevilla, Hospital U. Virgen del Rocío/Centro Superior de Investigaciones Científicas/Universidad de Sevilla, Seville, Spain; Centro de Investigación Biomédica en Red Sobre Enfermedades Neurodegenerativas (CIBERNED), Madrid, Spain
| | - Eloy Rivas
- Department of Pathology, Instituto de Biomedicina de Sevilla, Hospital U. Virgen del Rocío/Centro Superior de Investigaciones Científicas/Universidad de Sevilla, Sevilla, Spain
| | - Isabel Illa
- Neuromuscular Disorders Unit, Neurology Department, Hospital de la Santa Creu i Sant Pau and Biomedical Research Institute Sant Pau, Departament de Medicina, Universitat Autònoma de Barcelona, Barcelona, Spain; Centro de Investigaciones Biomédicas en Red en Enfermedades Raras (CIBERER), Madrid, Spain
| | - Montse Olivé
- Neuromuscular Disorders Unit, Neurology Department, Hospital de la Santa Creu i Sant Pau and Biomedical Research Institute Sant Pau, Departament de Medicina, Universitat Autònoma de Barcelona, Barcelona, Spain; Centro de Investigaciones Biomédicas en Red en Enfermedades Raras (CIBERER), Madrid, Spain
| | - Eduard Gallardo
- Neuromuscular Disorders Unit, Neurology Department, Hospital de la Santa Creu i Sant Pau and Biomedical Research Institute Sant Pau, Departament de Medicina, Universitat Autònoma de Barcelona, Barcelona, Spain; Centro de Investigaciones Biomédicas en Red en Enfermedades Raras (CIBERER), Madrid, Spain.
| | - Jordi Díaz-Manera
- Neuromuscular Disorders Unit, Neurology Department, Hospital de la Santa Creu i Sant Pau and Biomedical Research Institute Sant Pau, Departament de Medicina, Universitat Autònoma de Barcelona, Barcelona, Spain; John Walton Muscular Dystrophy Research Center, Newcastle University Translational and Clinical Research Institute, Newcastle Upon Tyne, United Kingdom; Centro de Investigaciones Biomédicas en Red en Enfermedades Raras (CIBERER), Madrid, Spain.
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19
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Suppression of angiotensin II-activated NOX4/NADPH oxidase and mitochondrial dysfunction by preserving glucagon-like peptide-1 attenuates myocardial fibrosis and hypertension. Eur J Pharmacol 2022; 927:175048. [DOI: 10.1016/j.ejphar.2022.175048] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2021] [Revised: 05/17/2022] [Accepted: 05/19/2022] [Indexed: 11/18/2022]
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Ubenimex Combined with Pemetrexed Upregulates SOCS1 to Inhibit Lung Adenocarcinoma Progression via the JAK2-STAT3 Signaling Pathway. DISEASE MARKERS 2022; 2022:5614939. [PMID: 35789603 PMCID: PMC9250433 DOI: 10.1155/2022/5614939] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/24/2022] [Revised: 05/23/2022] [Accepted: 06/09/2022] [Indexed: 11/18/2022]
Abstract
To study the effects of ubenimex (UBE) combined with pemetrexed (PEM) on lung adenocarcinoma cell behavior and its molecular mechanism, the tissue samples from lung adenocarcinoma patients who received PEM chemotherapy, those with PEM combined with UBE chemotherapy, and healthy volunteers were retrieved and analyzed. The expression levels of the suppressor of cytokine signaling 1 (SOCS1) in the human lung adenocarcinoma cancer cell lines A549 and PC-9 and tissues were detected by qRT-PCR. MTT assay was performed for cell proliferation. Cell apoptosis was detected by flow cytometry. Cell invasion ability was assessed using the Transwell assay. The expression levels of the JAK2/STAT3 signaling pathway proteins and apoptosis-related proteins were detected by Western blot. The antitumor effect of PEM combined with UBE was tested in nude mice using the tumor formation assay. Our results showed that UBE treatment, alone or combined with PEM, inhibited lung adenocarcinoma cell migration, invasion, and proliferation; promoted apoptosis; significantly increased the G0/G1-phase cell ratio; reduced the S-phase cell ratio; and inhibited the in vivo growth of tumor cells. UBE alone or in combination with PEM also inhibited the JAK2/STAT3 signaling pathway in lung adenocarcinoma cells. In addition, UBE combined with PEM therapy was associated with increased SOCS1 expression in patients' serum and knocking down SOCS1 reversed the antitumor effects of UBE and PEM. Overall, combination therapy with UBE and PEM could inhibit the JAK2-STAT3 signaling pathway by upregulating SOCS1 expression to hinder the progression of lung adenocarcinoma cells.
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Hu C, Zhang Z, Song G, Zhu L, Wang R, Ruan Z. Jujuboside A Ameliorates Myocardial Apoptosis and Inflammation in Rats with Coronary Heart Disease by Inhibiting PPAR- α Signaling Pathway. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE : ECAM 2022; 2022:2285728. [PMID: 35783519 PMCID: PMC9249489 DOI: 10.1155/2022/2285728] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/07/2022] [Revised: 06/06/2022] [Accepted: 06/08/2022] [Indexed: 11/17/2022]
Abstract
Background Coronary heart disease (CHD) is a chronic disease caused by atherosclerosis (AS), which can cause myocardial ischemia, hypoxia, or necrosis, seriously threatening human health. There is an urgent need for effective treatments and drugs to reduce the various risk factors for coronary heart disease and relieve symptoms of angina pectoris and myocardial infarction in patients. Jujuboside A (JuA) is a triterpenoid saponin extracted from jujube seeds, which has various biological activities such as antioxidant, anti-inflammatory, antiapoptotic, and neuroprotective effects. We study the function of JuA in myocardial injury, dyslipidemia, and inflammation in the CHD rat model, to explore its potential mechanism of improving CHD. Methods A rat model of CHD was established by feeding a high-fat diet. The rats were randomly divided into 5 groups (n = 6): control group, CHD group, JuA 25 mg/kg group, JuA 50 mg/kg group, and JuA 75 mg/kg group. Echocardiography was used to detect the cardiac function parameters of rats in each group, and then, hematoxylin and eosin staining was used to assess the histopathological injury in myocardial tissues. Levels of blood lipids, myocardial injury indexes, and inflammatory factors of rats in each group were measured by biochemical tests and enzyme linked immunosorbent assay, and the levels of Bax, Bcl-2, c-caspase-3, PPAR-α, p65, p-p65, IκBα, and p-IκBα protein expression in myocardial tissues were detected by western blot. Results Compared with the CHD group, JuA therapy significantly improved injury in myocardial tissue and endothelial tissue. It also strengthened cardiac function, while decreasing total cholesterol, triacylglycerol, and low-density lipoprotein cholesterol levels in the serum and increasing high-density lipoprotein cholesterol levels. In addition, JuA also restrained cardiomyocytes apoptosis and inhibited the inflammatory reaction by reducing TNF-α, IL-1β, and IL-6 expression in myocardial tissues. Furthermore, administration of JuA inhibited the activation of PPAR-α pathway by preventing the phosphorylation of p65 and IκBα in myocardial tissues of CHD rats. Conclusion JuA may improve cardiac function, alleviate myocardial and endothelial injury, and also ameliorate dyslipidemia and inflammatory reaction in rats with CHD, where JuA probably plays a protective role by inhibiting the activation of PPAR-α pathway.
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Affiliation(s)
- Chunfang Hu
- Cardiovascular MedicineCardiovascular Medicine, Taizhou People's Hospital, Taizhou 225399, Jiangsu, China
- Dalian Medical University, Dalian 116000, Liaoning, China
| | - Zhiyuan Zhang
- Cardiovascular MedicineCardiovascular Medicine, Taizhou People's Hospital, Taizhou 225399, Jiangsu, China
| | - Guixian Song
- Cardiovascular MedicineCardiovascular Medicine, Taizhou People's Hospital, Taizhou 225399, Jiangsu, China
| | - Li Zhu
- Cardiovascular MedicineCardiovascular Medicine, Taizhou People's Hospital, Taizhou 225399, Jiangsu, China
| | - Ruzhu Wang
- Cardiovascular MedicineCardiovascular Medicine, Taizhou People's Hospital, Taizhou 225399, Jiangsu, China
| | - Zhongbao Ruan
- Cardiovascular MedicineCardiovascular Medicine, Taizhou People's Hospital, Taizhou 225399, Jiangsu, China
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22
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Baker HE, Tune JD, Mather KJ, Blaettner BS, Clark HE, Li F, Li X, Kowala MC, Fliegel L, Goodwill AG. Acute SGLT-2i treatment improves cardiac efficiency during myocardial ischemia independent of Na+/H+ exchanger-1. Int J Cardiol 2022; 363:138-148. [PMID: 35753619 DOI: 10.1016/j.ijcard.2022.06.054] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/16/2022] [Revised: 06/13/2022] [Accepted: 06/20/2022] [Indexed: 11/05/2022]
Abstract
AIMS Sodium glucose co-transporter 2 inhibitors (SGLT2i) demonstrate cardioprotective benefits independent of a glucose lowering effect including preservation of cardiac function during a myocardial ischemia. Sodium‑hydrogen exchanger-1 (NHE-1), has been hypothesized to contribute to the cardiac effects of SGLT2i. We characterized the beneficial effects of acute pre-ischemia exposure to SGLT2i and explored the possibility that these effects are explained by NHE-1 inhibition. METHODS AND RESULTS Swine were anesthetized and instrumented for invasive hemodynamic measurements After baseline data collection, swine received a 15-30 min intravenous infusion of vehicle (DMSO), the SGLT2i canagliflozin (~1 mg/kg), or the NHE-1 inhibitor cariporide (~0.03 mg/kg) ending immediately prior to occlusion of the left circumflex artery. Measurements were obtained at baseline, during a 60-min complete occlusion of the circumflex coronary artery, and during a 2-h reperfusion period. Blood pressure, heart rate, left anterior descending artery flow, and associated myocardial oxygen consumption were unaffected by acute pre-treatment with canagliflozin or cariporide during ischemia and reperfusion. Acute pre-ischemic treatment with canagliflozin significantly increased diastolic filling and stroke work, producing a rightward shift in the Frank-Starling relationship, and also improved cardiac work efficiency relative to untreated control hearts during ischemia. Effects of NHE-1 inhibition with cariporide were modest and dissimilar. Examination of AP-1 cells transfected with wild-type NHE-1 and iPSC-derived cardiomyocytes confirmed dose-dependent-inhibition of NHE-1 activity by cariporide, while canagliflozin had no significant effect on NHE-1 activity. CONCLUSION Acute pre-treatment with SGLT2i produces cardioprotective effects during ischemia, including improved work efficiency. These effects are not explained by NHE-1 inhibition. TRANSLATIONAL PERSPECTIVE SGLT2 inhibitors have been shown to improve cardiac outcomes in patient including reducing myocardial infarction incidence and mortality. The mechanism(s) explaining this effect are not clear. This manuscript demonstrates a protective effect from acute SGLT2i exposure, as short as 15 min, prior to experimental infarction in swine. These effects were independent of NHE1 inhibition. These observations suggest that SGLT2 inhibitors can confer cardioprotective effects on a very short time scale. It is possible that such effects provide an ongoing contribution to ischemic protection even in the setting of chronic treatment.
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Affiliation(s)
- Hana E Baker
- Diabetes and Complications Research, Lilly Research Laboratories, Eli Lilly and Company, Indianapolis, IN, United States of America
| | - Johnathan D Tune
- Department of Physiology and Anatomy, University of North Texas Health Science Center, Fort Worth, TX, United States of America
| | - Kieren J Mather
- Diabetes and Complications Research, Lilly Research Laboratories, Eli Lilly and Company, Indianapolis, IN, United States of America
| | - Bianca S Blaettner
- Department of Anatomy, Cell Biology & Physiology, Indiana University School of Medicine, Indianapolis, IN, United States of America
| | - Hannah E Clark
- Department of Anatomy, Cell Biology & Physiology, Indiana University School of Medicine, Indianapolis, IN, United States of America
| | - Fang Li
- Diabetes and Complications Research, Lilly Research Laboratories, Eli Lilly and Company, Indianapolis, IN, United States of America
| | - Xiuju Li
- Department of Biochemistry, University of Alberta, Edmonton, Alberta, Canada
| | - Mark C Kowala
- Indiana Biosciences Research Institute, Indianapolis, IN, United States of America
| | - Larry Fliegel
- Department of Biochemistry, University of Alberta, Edmonton, Alberta, Canada
| | - Adam G Goodwill
- Department of Integrative Medical Sciences, Northeast Ohio Medical University, Rootstown, OH, United States of America.
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23
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Eldeeb MA, Esmaili M, Hassan M, Ragheb MA. The Role of PTEN-L in Modulating PINK1-Parkin-Mediated Mitophagy. Neurotox Res 2022; 40:1103-1114. [PMID: 35699891 DOI: 10.1007/s12640-022-00475-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2021] [Revised: 12/27/2021] [Accepted: 01/13/2022] [Indexed: 11/24/2022]
Abstract
An inherent challenge that mitochondria face is the continuous exposure to diverse stresses which increase their likelihood of dysregulation. In response, human cells have evolved sophisticated quality control mechanisms to identify and eliminate abnormal dysfunctional mitochondria. One pivotal mitochondrial quality control pathway is PINK1/Parkin-dependent mitophagy which mediates the selective removal of the dysfunctional mitochondria from the cell by autophagy. PTEN-induced putative kinase 1 (PINK1) is a mitochondrial Ser/Thr kinase that was originally identified as a gene responsible for autosomal recessive early-onset Parkinson's disease (PD). Notably, upon failure of mitochondrial import, Parkin, another autosomal-recessive PD gene, is recruited to mitochondria and mediates the autophagic clearance of deregulated mitochondria. Importantly, recruitment of Parkin to damaged mitochondria hinges on the accumulation of PINK1 on the outer mitochondrial membrane (OMM). Normally, PINK1 is imported from the cytosol through the translocase of the outer membrane (TOM) complex, a large multimeric channel responsible for the import of most mitochondrial proteins. After import, PINK1 is rapidly degraded. Thus, at steady-state, PINK1 levels are kept low. However, upon mitochondrial import failure, PINK1 accumulates and forms a high-molecular weight > 700 kDa complex with TOM on the OMM. Thus, PINK1 functions as sensor, tagging dysfunctional mitochondria for Parkin-mediated mitophagy. Although much has been learned about the function of PINK1 in mitophagy, the biochemical and structural basis of negative regulation of PINK1 operation and functions is far from clear. Recent work unveiled new players as PTEN-l as negative regulator of PINK1 function. Herein, we review key aspects of mitophagy and PINK1/Parkin-mediated mitophagy with highlighting the role of negative regulation of PINK1 function and presenting some of the key future directions in PD cell biology.
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Affiliation(s)
- Mohamed A Eldeeb
- Department of Neurology and Neurosurgery, Montreal Neurological Institute McGill University, Montreal, QC, Canada. .,Department of Chemistry, Biochemistry Division, Cairo University, Giza, Egypt.
| | - Mansoore Esmaili
- Department of Biochemistry, University of Alberta, Edmonton, Alberta, Canada
| | - Marwa Hassan
- Department of Chemistry, Biochemistry Division, Cairo University, Giza, Egypt
| | - Mohamed A Ragheb
- Department of Chemistry, Biochemistry Division, Cairo University, Giza, Egypt
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Zhang J, Han X, Chang J, Liu J, Liu Y, Wang H, Du F, Zeng X, Guo C. Soluble RAGE attenuates myocardial I/R injuries via FoxO3-Bnip3 pathway. Cell Mol Life Sci 2022; 79:269. [PMID: 35501612 PMCID: PMC11072718 DOI: 10.1007/s00018-022-04307-0] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2022] [Revised: 03/22/2022] [Accepted: 04/12/2022] [Indexed: 11/03/2022]
Abstract
Soluble receptor for advanced glycation end-products (sRAGE) was reported to inhibit cardiac apoptosis through the mitochondrial pathway during myocardial ischemia/reperfusion (I/R) injury. Meanwhile, the proapoptotic protein Bcl2 and adenovirus E1B 19-kDa-interacting protein 3 (Bnip3) was reported to mediate mitochondrial depolarization and be activated by the Forkhead box protein O3 (FoxO3a). Therefore, it is supposed that FoxO3a-Bnip3 pathway might be involved in the inhibiting effects of sRAGE on mitochondrial apoptosis during I/R. I/R surgery or glucose deprivation/reoxygenation was adopted to explore mitochondrial depolarization, apoptosis and related signaling pathways in mice hearts and cultured cardiomyocytes. The results showed that overexpression of sRAGE in cardiomyocytes dramatically improved cardiac function and reduced infarct areas in I/R treated mice. sRAGE inhibited mitochondrial depolarization and cardiac apoptosis during I/R, which correlated with reduced expression of Bnip3, Sirt2, phosphorylation of Akt and FoxO3a which translocated into nucleus in cultured cardiomyocytes. Either Sirt2 or FoxO3a silencing enhanced the inhibiting effects of sRAGE on mitochondrial depolarization induced by I/R in cultured cardiomyocytes. Meanwhile, overexpression or silencing of FoxO3a affected the inhibiting effects of sRAGE on Bnip3 and cleaved caspase-3 in cultured cardiomyocytes. Therefore, it is suggested that sRAGE inhibited I/R injuries via reducing mitochondrial apoptosis through the FoxO3a-Bnip3 pathway.
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Affiliation(s)
- Jie Zhang
- Cardiovascular Center, Beijing Tongren Hospital, Capital Medical University, No. 1 Dongjiaomin Lane, Dongcheng District, Beijing, 100730, People's Republic of China
| | - Xuejie Han
- Cardiovascular Center, Beijing Tongren Hospital, Capital Medical University, No. 1 Dongjiaomin Lane, Dongcheng District, Beijing, 100730, People's Republic of China
| | - Jing Chang
- Department of Physiology, Beijing Youan Hospital, Capital Medical University, No. 8 You An Men Wai Xi Tou Tiao, Fengtai District, Beijing, 100069, People's Republic of China
| | - Jian Liu
- Cardiovascular Center, Beijing Tongren Hospital, Capital Medical University, No. 1 Dongjiaomin Lane, Dongcheng District, Beijing, 100730, People's Republic of China
| | - Yingming Liu
- Cardiovascular Center, Beijing Tongren Hospital, Capital Medical University, No. 1 Dongjiaomin Lane, Dongcheng District, Beijing, 100730, People's Republic of China
| | - Hongxia Wang
- Department of Physiology and Pathophysiology, Capital Medical University, No. 10 You An Men Wai Xi Tou Tiao, Fengtai District, Beijing, 100069, People's Republic of China
| | - Fenghe Du
- Department of Geriatrics, Beijing Tiantan Hospital, Capital Medical University, No. 119 South 4th Ring West Road, Fengtai District, Beijing, 100070, People's Republic of China
| | - Xiangjun Zeng
- Department of Physiology and Pathophysiology, Capital Medical University, No. 10 You An Men Wai Xi Tou Tiao, Fengtai District, Beijing, 100069, People's Republic of China.
| | - Caixia Guo
- Cardiovascular Center, Beijing Tongren Hospital, Capital Medical University, No. 1 Dongjiaomin Lane, Dongcheng District, Beijing, 100730, People's Republic of China.
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25
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Duan X, Miao Z, Chen J. LncRNA KCNQ1OT1 attenuates myocardial injury induced by hip fracture via regulating of miR-224-3p/GATA4 axis. Int Immunopharmacol 2022; 107:108627. [PMID: 35217336 DOI: 10.1016/j.intimp.2022.108627] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2021] [Revised: 02/03/2022] [Accepted: 02/12/2022] [Indexed: 11/05/2022]
Abstract
OBJECTIVE This article aims to discuss the role of l KCNQ1 opposite strand/antisense transcript 1 (KCNQ1OT1) in myocardial injury caused by a hip fracture and further investigate its potential molecular mechanisms. METHODS X-Ray and H&E staining are used to observe hip fracture and pathological changes of myocardial tissue. ELISA and kits are used to detect inflammatory cytokines, lactate dehydrogenase (LDH), and creatine kinase (CK) in serum. The proliferation and apoptosis of H9c2 are determined by CCK-8 and flow cytometry. RT-qPCR and Western blot are applied to quantitatively assess the expression of related genes. Bioinformatics analysis is performed to search the downstream target of KCNQ1OT1 and miR-224-3p. Furthermore, the interaction is verified by a luciferase reporter assay. RESULTS A hip fracture model was successfully established. The high expression of inflammatory cytokines and cardiac injury markers indicated that hip fracture successfully induced myocardial injury. In TNF-ɑ treated cardiomyocyte model, high expression of KCNQ1OT1 promoted H9c2 cell proliferation and inhibited apoptosis. Furthermore, in the myocardial injury model rats induced by hip fracture, a high expression of KCNQ1OT1 reduced pathological damage in the myocardial tissue. Further research illustrated that miR-224-3p was the direct target of KCNQ1OT1, and GATA4 was the direct target of miR-224-3p. Importantly, functional research findings indicated that KCNQ1OT1 regulated myocardial injury caused by hip fracture via targeting the miR-224-3p/GATA4 axis. CONCLUSION Our study demonstrates that the KCNQ1OT1 suppresses myocardial injury via mediating miR-224-3p/GATA4, which provides a latent target for myocardial injury treatment.
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Affiliation(s)
- Xuzhou Duan
- Department of Orthopedics, Changhai Hospital Affiliated to the Navy Military Medical University, 168 Changhai Road, Yangpu District 200433, Shanghai, China
| | - Zhijing Miao
- Department of Cardiology, Shanghai Baoshan Hospital of Integrated Traditional Chinese and Western Medicine, 181 Friendship Road, Baoshan District 201901, Shanghai, China
| | - Jia Chen
- Department of Cardiology, Shanghai Baoshan Hospital of Integrated Traditional Chinese and Western Medicine, 181 Friendship Road, Baoshan District 201901, Shanghai, China.
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26
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Turkieh A, El Masri Y, Pinet F, Dubois-Deruy E. Mitophagy Regulation Following Myocardial Infarction. Cells 2022; 11:cells11020199. [PMID: 35053316 PMCID: PMC8774240 DOI: 10.3390/cells11020199] [Citation(s) in RCA: 23] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2021] [Revised: 12/27/2021] [Accepted: 01/04/2022] [Indexed: 02/07/2023] Open
Abstract
Mitophagy, which mediates the selective elimination of dysfunctional mitochondria, is essential for cardiac homeostasis. Mitophagy is regulated mainly by PTEN-induced putative kinase protein-1 (PINK1)/parkin pathway but also by FUN14 domain-containing 1 (FUNDC1) or Bcl2 interacting protein 3 (BNIP3) and BNIP3-like (BNIP3L/NIX) pathways. Several studies have shown that dysregulated mitophagy is involved in cardiac dysfunction induced by aging, aortic stenosis, myocardial infarction or diabetes. The cardioprotective role of mitophagy is well described, whereas excessive mitophagy could contribute to cell death and cardiac dysfunction. In this review, we summarize the mechanisms involved in the regulation of cardiac mitophagy and its role in physiological condition. We focused on cardiac mitophagy during and following myocardial infarction by highlighting the role and the regulation of PI NK1/parkin-; FUNDC1-; BNIP3- and BNIP3L/NIX-induced mitophagy during ischemia and reperfusion.
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27
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Overexpression of BNIP3 in rat intervertebral disk cells triggers autophagy and apoptosis. ARCH BIOL SCI 2022. [DOI: 10.2298/abs220310013w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022] Open
Abstract
Excessive apoptosis of intervertebral disk cells and intervertebral disk
degeneration (IDD) is the prime cause of low back pain. B-cell lymphoma 2
(Bcl-2) and adenovirus E1B 19 kDa interacting protein 3 (BNIP3), a member of
the Bcl-2 family, are involved in cell autophagy and apoptosis. The roles
and mechanisms of BNIP3 in intervertebral disk cell autophagy and apoptosis
are unclear. In this study, primary rat intervertebral disk cells were
prepared to study the effect of BNIP3 overexpression on their autophagy and
apoptosis. The cell counting kit (CCK)-8 assay showed that BNIP3
overexpression decreased cell viability. Real-time PCR and Western blotting
showed that BNIP3 overexpression significantly upregulated the expression of
autophagy-related proteins and pro-apoptotic proteins, including
hypoxia-inducible factor-1?, apoptotic protease activating factor 1, caspase
3 and cleaved caspase 3, microtubule-associated proteins 1A/1B light chain 3
(LC3) and Beclin-1 while downregulating the expression of anti-apoptotic
protein Bcl-2. Cell staining detection of autophagy and apoptosis showed
that BNIP3 overexpression significantly increased the autophagy and
apoptosis of rat intervertebral disk cells. BNIP3 RNA interference revealed
that the effects of BNIP3 overexpression can be reversed. These findings
suggested that BNIP3 enhanced the autophagy and apoptosis in the rat
intervertebral disk cells in vitro, which might promote IDD development.
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28
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Choubey V, Zeb A, Kaasik A. Molecular Mechanisms and Regulation of Mammalian Mitophagy. Cells 2021; 11:38. [PMID: 35011599 PMCID: PMC8750762 DOI: 10.3390/cells11010038] [Citation(s) in RCA: 41] [Impact Index Per Article: 13.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2021] [Revised: 12/17/2021] [Accepted: 12/20/2021] [Indexed: 02/07/2023] Open
Abstract
Mitochondria in the cell are the center for energy production, essential biomolecule synthesis, and cell fate determination. Moreover, the mitochondrial functional versatility enables cells to adapt to the changes in cellular environment and various stresses. In the process of discharging its cellular duties, mitochondria face multiple types of challenges, such as oxidative stress, protein-related challenges (import, folding, and degradation) and mitochondrial DNA damage. They mitigate all these challenges with robust quality control mechanisms which include antioxidant defenses, proteostasis systems (chaperones and proteases) and mitochondrial biogenesis. Failure of these quality control mechanisms leaves mitochondria as terminally damaged, which then have to be promptly cleared from the cells before they become a threat to cell survival. Such damaged mitochondria are degraded by a selective form of autophagy called mitophagy. Rigorous research in the field has identified multiple types of mitophagy processes based on targeting signals on damaged or superfluous mitochondria. In this review, we provide an in-depth overview of mammalian mitophagy and its importance in human health and diseases. We also attempted to highlight the future area of investigation in the field of mitophagy.
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Affiliation(s)
- Vinay Choubey
- Department of Pharmacology, Institute of Biomedicine and Translational Medicine, University of Tartu, Ravila 19, 50411 Tartu, Estonia; (A.Z.); (A.K.)
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TRAP1 inhibits MIC60 ubiquitination to mitigate the injury of cardiomyocytes and protect mitochondria in extracellular acidosis. Cell Death Dis 2021; 7:389. [PMID: 34907169 PMCID: PMC8671480 DOI: 10.1038/s41420-021-00786-5] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2021] [Revised: 11/23/2021] [Accepted: 12/02/2021] [Indexed: 12/19/2022]
Abstract
Extracellular acidosis-induced mitochondrial damage of cardiomyocytes leads to cardiac dysfunction, but no detailed mechanism or efficient therapeutic target has been reported. Here we found that the protein levels of MIC60 were decreased in H9C2 cells and heart tissues in extracellular acidosis, which caused mitochondrial damage and cardiac dysfunction. Overexpression of MIC60 maintains H9C2 cells viability, increases ATP production and mitochondrial membrane potential, mitigates the disruptions of mitochondrial structure and cardiac injury. Mechanistically, extracellular acidosis excessively promoted MIC60 ubiquitin-dependent degradation. TRAP1 mitigated acidosis-induced mitochondrial impairments and cardiac injury by directly interacting with MIC60 to decrease its ubiquitin-dependent degradation in extracellular acidosis.
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30
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Misoprostol treatment prevents hypoxia-induced cardiac dysfunction through a 14-3-3 and PKA regulatory motif on Bnip3. Cell Death Dis 2021; 12:1105. [PMID: 34824192 PMCID: PMC8617186 DOI: 10.1038/s41419-021-04402-3] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2021] [Revised: 11/01/2021] [Accepted: 11/09/2021] [Indexed: 12/31/2022]
Abstract
Systemic hypoxia is a common element in most perinatal emergencies and is a known driver of Bnip3 expression in the neonatal heart. Bnip3 plays a prominent role in the evolution of necrotic cell death, disrupting ER calcium homeostasis and initiating mitochondrial permeability transition (MPT). Emerging evidence suggests a cardioprotective role for the prostaglandin E1 analog misoprostol during periods of hypoxia, but the mechanisms for this protection are not completely understood. Using a combination of mouse and cell models, we tested if misoprostol is cardioprotective during neonatal hypoxic injury by altering Bnip3 function. Here we report that hypoxia elicits mitochondrial-fragmentation, MPT, reduced ejection fraction, and evidence of necroinflammation, which were abrogated with misoprostol treatment or Bnip3 knockout. Through molecular studies we show that misoprostol leads to PKA-dependent Bnip3 phosphorylation at threonine-181, and subsequent redistribution of Bnip3 from mitochondrial Opa1 and the ER through an interaction with 14-3-3 proteins. Taken together, our results demonstrate a role for Bnip3 phosphorylation in the regulation of cardiomyocyte contractile/metabolic dysfunction, and necroinflammation. Furthermore, we identify a potential pharmacological mechanism to prevent neonatal hypoxic injury.
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Dynamic Regulation of Cysteine Oxidation and Phosphorylation in Myocardial Ischemia-Reperfusion Injury. Cells 2021; 10:cells10092388. [PMID: 34572037 PMCID: PMC8469016 DOI: 10.3390/cells10092388] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2021] [Revised: 09/06/2021] [Accepted: 09/07/2021] [Indexed: 02/02/2023] Open
Abstract
Myocardial ischemia-reperfusion (I/R) injury significantly alters heart function following infarct and increases the risk of heart failure. Many studies have sought to preserve irreplaceable myocardium, termed cardioprotection, but few, if any, treatments have yielded a substantial reduction in clinical I/R injury. More research is needed to fully understand the molecular pathways that govern cardioprotection. Redox mechanisms, specifically cysteine oxidations, are acute and key regulators of molecular signaling cascades mediated by kinases. Here, we review the role of reactive oxygen species in modifying cysteine residues and how these modifications affect kinase function to impact cardioprotection. This exciting area of research may provide novel insight into mechanisms and likely lead to new treatments for I/R injury.
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32
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Junarta J, Riley JM, Pavri BB. Describing heart rate variability in patients with chronic atrial fibrillation during hospitalization for COVID-19. J Arrhythm 2021; 37:893-898. [PMID: 34386114 PMCID: PMC8339086 DOI: 10.1002/joa3.12569] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2021] [Revised: 04/13/2021] [Accepted: 05/10/2021] [Indexed: 01/08/2023] Open
Abstract
INTRODUCTION Myriad cardiovascular manifestations have been reported with COVID-19. We previously reported that failure of PR interval shortening with increasing heart rate (HR) in patients with COVID-19 is associated with adverse outcomes. Here, we report on heart rate variability (HRV) and clinical outcomes in patients with chronic atrial fibrillation (cAF) hospitalized for COVID-19. METHODS A retrospective review of admitted COVID-19 patients with cAF between 1 March 2020 to 30 June 2020 was performed. HRV in cAF was compared during pre-COVID-19 and COVID-19 admissions; we selected pre-COVID-19 ECGs with HRs that were within 10 beats per minute of the COVID-19 ECGs. Mean HR and each RR interval were recorded. Time-domain measurements of HR variability were then calculated (SDSD, RMSSD, pNN50). Clinical outcomes during COVID-19 were correlated to indices of HRV. RESULTS A total of 184 ECGs (95 pre-COVID-19, 89 COVID-19) from 38 cAF in-patients were included. Mean age 78.6 ± 11.4 years, male 44.7%. The mean number of ECGs analyzed per patient pre-COVID-19 was 2.50 and during COVID-19 was 2.34. Comparing pre-COVID-19 versus COVID-19 ECGs showed: mean HR (95.9 ± 24.3 vs. 101.6 ± 22.8 BPM; P = .10), SDSD (109.0 ± 50.6 vs. 90.3 ± 37.2 ms; P < .01), RMSSD (184.1 ± 80.4 vs. 147.3 ± 59.8 ms; P < .01), pNN50 (73.8 ± 16.3 vs. 65.6 ± 16.6%; P < .01). Patients who had a smaller pNN50 during a COVID-19 admission had increased mortality (50.0% vs. 14.3%; log-rank test P = .02). CONCLUSION In patients with cAF, the HRV was reduced during COVID-19 compared with prior illnesses at similar average heart rates. Patients with the most depressed HRV as measured by pNN50 had an associated increase in mortality compared with patients whose HRV was preserved.
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Affiliation(s)
- Joey Junarta
- Department of MedicineThomas Jefferson University HospitalPhiladelphiaPAUSA
| | - Joshua M. Riley
- Sidney Kimmel Medical CollegeThomas Jefferson UniversityPhiladelphiaPAUSA
| | - Behzad B. Pavri
- Department of MedicineThomas Jefferson University HospitalPhiladelphiaPAUSA
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Zhang T, Guan YZ, Liu H. Association of Acidemia With Short-Term Mortality of Acute Myocardial Infarction: A Retrospective Study Base on MIMIC-III Database. Clin Appl Thromb Hemost 2021; 26:1076029620950837. [PMID: 32862673 PMCID: PMC7466881 DOI: 10.1177/1076029620950837] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022] Open
Abstract
Acute myocardial infarction (AMI) is a leading cause of death and not a few of these patients are combined with acidemia. This study aimed to detect the association of acidemia with short-term mortality of AMI patients. A total of 972 AMI patients were selected from the Medical Information Mart for Intensive Care (MIMIC) III database for analysis. Propensity-score matching (PSM) was used to reduce the imbalance. Kaplan-Meier survival analysis was used to compare the mortality, and Cox-proportional hazards model was used to detect related factors associated with mortality. After PSM, a total of 345 non-acidemia patients and 345 matched acidemia patients were included. The non-acidemia patients had a significantly lower 30-day mortality (20.0% vs. 28.7%) and lower 90-day mortality (24.9% vs. 31.9%) than the acidemia patients (P < 0.001 for all). The severe-acidemia patients (PH < 7.25) had the highest 30-day mortality (52.6%) and 90-day mortality (53.9%) than non-acidemia patients and mild-acidemia (7.25 ≤ PH < 7.35) patients (P < 0.001). In Cox-proportional hazards model, acidemia was associated with improved 30-day mortality (HR = 1.518; 95%CI = 1.110-2.076, P = 0.009) and 90-day mortality (HR = 1.378; 95%CI = 1.034 -1.837, P = 0.029). These results suggest that severe acidemia is associated with improved 30-day mortality and 90-day mortality of AMI patients.
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Affiliation(s)
- Tang Zhang
- Department of Cardiology, The Second Affiliated Hospital, 74626Guangxi Medical University, Nanning, Guangxi, People's Republic of China
| | - Yao-Zong Guan
- Department of Cardiology, Institute of Cardiovascular Diseases, The First Affiliated Hospital, 74626Guangxi Medical University, Nanning, Guangxi, People's Republic of China
| | - Hao Liu
- Department of Cardiology, The Second Affiliated Hospital, 74626Guangxi Medical University, Nanning, Guangxi, People's Republic of China
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The Role of Mitochondrial Quality Control in Cardiac Ischemia/Reperfusion Injury. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2021; 2021:5543452. [PMID: 34211627 PMCID: PMC8211512 DOI: 10.1155/2021/5543452] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/26/2021] [Revised: 04/18/2021] [Accepted: 05/19/2021] [Indexed: 11/17/2022]
Abstract
A healthy mitochondrial network produces a large amount of ATP and biosynthetic intermediates to provide sufficient energy for myocardium and maintain normal cell metabolism. Mitochondria form a dynamic and interconnected network involved in various cellular metabolic signaling pathways. As mitochondria are damaged, controlling mitochondrial quantity and quality is activated by changing their morphology and tube network structure, mitophagy, and biogenesis to replenish a healthy mitochondrial network to preserve cell function. There is no doubt that mitochondrial dysfunction has become a key factor in many diseases. Ischemia/reperfusion (IR) injury is a pathological manifestation of various heart diseases. Cardiac ischemia causes temporary tissue and organelle damage. Although reperfusion is essential to compensate for nutrient deficiency, blood flow restoration inconsequently further kills the previously ischemic cardiomyocytes. To date, dysfunctional mitochondria and disturbed mitochondrial quality control have been identified as critical IR injury mechanisms. Many researchers have detected abnormal mitochondrial morphology and mitophagy, as well as aberrant levels and activity of mitochondrial biogenesis factors in the IR injury model. Although mitochondrial damage is well-known in myocardial IR injury, the causal relationship between abnormal mitochondrial quality control and IR injury has not been established. This review briefly describes the molecular mechanisms of mitochondrial quality control, summarizes our current understanding of the complex role of mitochondrial quality control in IR injury, and finally speculates on the possibility of targeted control of mitochondria and the methods available to mitigate IR injury.
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Pileggi CA, Parmar G, Harper ME. The lifecycle of skeletal muscle mitochondria in obesity. Obes Rev 2021; 22:e13164. [PMID: 33442950 DOI: 10.1111/obr.13164] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/06/2020] [Revised: 10/10/2020] [Accepted: 10/12/2020] [Indexed: 12/12/2022]
Abstract
Skeletal muscle possesses dramatic metabolic plasticity that allows for the rapid adaptation in cellular energy transduction to meet the demands of the organism. Obesity elicits changes in skeletal muscle structure and function, resulting in the accumulation of intramuscular lipids. The accumulation of intramuscular lipids in obesity is associated with impaired skeletal muscle mitochondrial content and function. Mitochondria exist as a dynamic network that is regulated by the processes of biogenesis, fusion, fission, and mitophagy. In this review, we outline adaptations in molecular pathways that regulate mitochondrial structure and function in obesity. We highlight the emerging role of dysregulated skeletal muscle macroautophagy and mitochondrial turnover in obesity. Future research should further elucidate the role of mitophagy in observed reductions in mitochondrial content and function during obesity.
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Affiliation(s)
- Chantal A Pileggi
- Department of Biochemistry, Microbiology and Immunology, Faculty of Medicine, University of Ottawa, Ottawa, ON, K1H 8M5, Canada.,Ottawa Institute of Systems Biology, University of Ottawa, Ottawa, ON, K1H 8M5, Canada
| | - Gaganvir Parmar
- Department of Biochemistry, Microbiology and Immunology, Faculty of Medicine, University of Ottawa, Ottawa, ON, K1H 8M5, Canada.,Ottawa Institute of Systems Biology, University of Ottawa, Ottawa, ON, K1H 8M5, Canada
| | - Mary-Ellen Harper
- Department of Biochemistry, Microbiology and Immunology, Faculty of Medicine, University of Ottawa, Ottawa, ON, K1H 8M5, Canada.,Ottawa Institute of Systems Biology, University of Ottawa, Ottawa, ON, K1H 8M5, Canada
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SARS-CoV-2 Mediated Hyperferritinemia and Cardiac Arrest: Preliminary Insights. Drug Discov Today 2021; 26:1265-1274. [PMID: 33493677 PMCID: PMC7826001 DOI: 10.1016/j.drudis.2021.01.014] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2020] [Revised: 12/14/2020] [Accepted: 01/08/2021] [Indexed: 02/06/2023]
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Johmura Y, Yamanaka T, Omori S, Wang TW, Sugiura Y, Matsumoto M, Suzuki N, Kumamoto S, Yamaguchi K, Hatakeyama S, Takami T, Yamaguchi R, Shimizu E, Ikeda K, Okahashi N, Mikawa R, Suematsu M, Arita M, Sugimoto M, Nakayama KI, Furukawa Y, Imoto S, Nakanishi M. Senolysis by glutaminolysis inhibition ameliorates various age-associated disorders. Science 2021; 371:265-270. [DOI: 10.1126/science.abb5916] [Citation(s) in RCA: 103] [Impact Index Per Article: 34.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2020] [Revised: 09/14/2020] [Accepted: 11/13/2020] [Indexed: 12/14/2022]
Affiliation(s)
- Yoshikazu Johmura
- Division of Cancer Cell Biology, Institute of Medical Science, The University of Tokyo, 4-6-1 Shirokanedai, Minato-ku, Tokyo 108-8639, Japan
| | - Takehiro Yamanaka
- Division of Cancer Cell Biology, Institute of Medical Science, The University of Tokyo, 4-6-1 Shirokanedai, Minato-ku, Tokyo 108-8639, Japan
| | - Satotaka Omori
- Division of Cancer Cell Biology, Institute of Medical Science, The University of Tokyo, 4-6-1 Shirokanedai, Minato-ku, Tokyo 108-8639, Japan
| | - Teh-Wei Wang
- Division of Cancer Cell Biology, Institute of Medical Science, The University of Tokyo, 4-6-1 Shirokanedai, Minato-ku, Tokyo 108-8639, Japan
| | - Yuki Sugiura
- Department of Biochemistry, Keio University School of Medicine, 35 Shinanomachi, Shinjyuku-ku, Tokyo 160-8582, Japan
| | - Masaki Matsumoto
- Department of Molecular and Cellular Biology, Medical Institute of Bioregulation, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka 812-8582, Japan
| | - Narumi Suzuki
- Division of Cancer Cell Biology, Institute of Medical Science, The University of Tokyo, 4-6-1 Shirokanedai, Minato-ku, Tokyo 108-8639, Japan
| | - Soichiro Kumamoto
- Division of Cancer Cell Biology, Institute of Medical Science, The University of Tokyo, 4-6-1 Shirokanedai, Minato-ku, Tokyo 108-8639, Japan
| | - Kiyoshi Yamaguchi
- Clinical Genome Research, Institute of Medical Science, The University of Tokyo, 4-6-1 Shirokanedai, Minato-ku, Tokyo 108-8639, Japan
| | - Seira Hatakeyama
- Clinical Genome Research, Institute of Medical Science, The University of Tokyo, 4-6-1 Shirokanedai, Minato-ku, Tokyo 108-8639, Japan
| | - Tomoyo Takami
- Department of Molecular and Cellular Biology, Medical Institute of Bioregulation, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka 812-8582, Japan
| | - Rui Yamaguchi
- Human Genome Center, Institute of Medical Science, The University of Tokyo, 4-6-1 Shirokanedai, Minato-ku, Tokyo 108-8639, Japan
| | - Eigo Shimizu
- Human Genome Center, Institute of Medical Science, The University of Tokyo, 4-6-1 Shirokanedai, Minato-ku, Tokyo 108-8639, Japan
| | - Kazutaka Ikeda
- RIKEN Center for Integrative Medical Sciences, Suehiro-cho, Tsurumi-ku, Yokohama, Kanagawa 230-0045, Japan
| | - Nobuyuki Okahashi
- RIKEN Center for Integrative Medical Sciences, Suehiro-cho, Tsurumi-ku, Yokohama, Kanagawa 230-0045, Japan
| | - Ryuta Mikawa
- Research Institute, National Center for Geriatrics and Gerontology, 7-430 Morioka-cho, Obu, Aichi 474-8511, Japan
| | - Makoto Suematsu
- Department of Biochemistry, Keio University School of Medicine, 35 Shinanomachi, Shinjyuku-ku, Tokyo 160-8582, Japan
| | - Makoto Arita
- RIKEN Center for Integrative Medical Sciences, Suehiro-cho, Tsurumi-ku, Yokohama, Kanagawa 230-0045, Japan
- Division of Physiological Chemistry and Metabolism, Graduate School of Pharmaceutical Sciences, Keio University, Shibakoen, Minato-ku, Tokyo 105-0011, Japan
| | - Masataka Sugimoto
- Research Institute, National Center for Geriatrics and Gerontology, 7-430 Morioka-cho, Obu, Aichi 474-8511, Japan
| | - Keiichi I. Nakayama
- Department of Molecular and Cellular Biology, Medical Institute of Bioregulation, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka 812-8582, Japan
| | - Yoichi Furukawa
- Clinical Genome Research, Institute of Medical Science, The University of Tokyo, 4-6-1 Shirokanedai, Minato-ku, Tokyo 108-8639, Japan
| | - Seiya Imoto
- Health Intelligence Center, Institute of Medical Science, The University of Tokyo, 4-6-1 Shirokanedai, Minato-ku, Tokyo 108-8639, Japan
| | - Makoto Nakanishi
- Division of Cancer Cell Biology, Institute of Medical Science, The University of Tokyo, 4-6-1 Shirokanedai, Minato-ku, Tokyo 108-8639, Japan
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The Novel Coronavirus and Haemostatic Abnormalities: Pathophysiology, Clinical Manifestations, and Treatment Recommendations. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2021; 1321:173-180. [PMID: 33656723 DOI: 10.1007/978-3-030-59261-5_15] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
The COVID-19 pandemic, caused by the SARS-C0V-2 virus, was initially considered and managed in a similar manner to the previous SARS epidemic as they are both caused by coronaviruses. What has now become apparent is that a major cause of morbidity and mortality in COVID-19 is abnormal thrombosis. This thrombosis occurs on a macro- and microvascular level and is unique to this disease. The virus has been demonstrated in the endothelium of the pulmonary alveoli and as such is thought to contribute to the devastating respiratory complications encountered. D-dimer concentrations are frequently raised in COVID to levels not frequently seen previously. The optimal anticoagulation treatment in COVID remains to be determined, and the myriad of pathophysiologic effects caused by this virus in the human host have also yet to be fully elucidated.
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Liu J, Wei E, Wei J, Zhou W, Webster KA, Zhang B, Li D, Zhang G, Wei Y, Long Y, Qi X, Zhang Q, Xu D. MiR-126-HMGB1-HIF-1 Axis Regulates Endothelial Cell Inflammation during Exposure to Hypoxia-Acidosis. DISEASE MARKERS 2021; 2021:4933194. [PMID: 34970357 PMCID: PMC8714334 DOI: 10.1155/2021/4933194] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/02/2021] [Accepted: 11/20/2021] [Indexed: 02/05/2023]
Abstract
Crosstalk between molecular regulators miR-126, hypoxia-inducible factor 1-alpha (HIF-1-α), and high-mobility group box-1 (HMGB1) contributes to the regulation of inflammation and angiogenesis in multiple physiological and pathophysiological settings. Here, we present evidence of an overriding role for miR-126 in the regulation of HMGB1 and its downstream proinflammatory effectors in endothelial cells subjected to hypoxia with concurrent acidosis (H/A). Methods. Primary mouse endothelial cells (PMEC) were exposed to hypoxia or H/A to simulate short or chronic low-flow ischemia, respectively. RT-qPCR quantified mRNA transcripts, and proteins were measured by western blot. ROS were quantified by fluorogenic ELISA and luciferase reporter assays employed to confirm an active miR-126 target in the HMGB1 3'UTR. Results. Enhanced expression of miR-126 in PMECs cultured under neutral hypoxia was suppressed under H/A, whereas the HMGB1 expression increased sequentially under both conditions. Enhanced expression of HMGB1 and downstream inflammation markers was blocked by the premiR-126 overexpression and optimized by antagomiR. Compared with neutral hypoxia, H/A suppressed the HIF-1α expression independently of miR-126. The results show that HMGB1 and downstream effectors are optimally induced by H/A relative to neutral hypoxia via crosstalk between hypoxia signaling, miR-126, and HIF-1α, whereas B-cell lymphoma 2(Bcl2), a HIF-1α, and miR-126 regulated gene expressed optimally under neutral hypoxia. Conclusion. Inflammatory responses of ECs to H/A are dynamically regulated by the combined actions of hypoxia, miR-126, and HIF-1α on the master regulator HMGB1. The findings may be relevant to vascular diseases including atherosclerotic occlusion and interiors of plaque where coexisting hypoxia and acidosis promote inflammation as a defining etiology.
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Affiliation(s)
- Jinxue Liu
- Department of Cardiology, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China
| | - Eileen Wei
- Gulliver High School, Miami, FL 33156, USA
| | - Jianqin Wei
- Department of Medicine Miller School of Medicine, University of Miami, Miami, FL 33136, USA
| | - Wei Zhou
- Department of Ophthalmology, Jiangmen Central Hospital, Affiliated Jiangmen Hospital of Sun Yat-Sen University, Jiangmen 529030, China
| | - Keith A. Webster
- Integene International, LLC, Miami, FL 33137, USA
- Cullen Eye Institute, Department of Ophthalmology, Baylor College of Medicine, Houston, TX 77030, USA
- Everglades Biopharma, LLC, Houston, TX 77030, USA
| | - Bin Zhang
- Department of Cardiology, Jiangmen Central Hospital, Affiliated Jiangmen Hospital of Sun Yat-Sen University, Jiangmen 529030, China
| | - Dong Li
- Department of Intensive Care Unit and Clinical Experimental Center, Jiangmen Central Hospital, Affiliated Jiangmen Hospital of Sun Yat-Sen University, Jiangmen 529030, China
| | - Gaoxing Zhang
- Department of Cardiology, Jiangmen Central Hospital, Affiliated Jiangmen Hospital of Sun Yat-Sen University, Jiangmen 529030, China
| | - Yidong Wei
- Department of Surgery, Youjiang Medical University for Nationalities, Chengxiang Rd, Baise, Guangxi 533000, China
| | - Yusheng Long
- Department of Cardiology, Guangdong Cardiovascular Institute, Guangzhou 510080, China
- Department of Cardiology, Guangdong Cardiovascular Institute and Second School of Clinical Medicine, Southern Medical University, Guangzhou 510515, China
| | - Xiuyu Qi
- Department of Cardiology, Guangdong Cardiovascular Institute, Guangzhou 510080, China
- Department of Cardiology, Guangdong Cardiovascular Institute and Shantou University Medical College, Shantou 515041, China
| | - Qianhuan Zhang
- Department of Cardiology, Guangdong Cardiovascular Institute, Guangzhou 510080, China
| | - Dingli Xu
- Department of Cardiology, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China
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Levett JY, Raparelli V, Mardigyan V, Eisenberg MJ. Cardiovascular Pathophysiology, Epidemiology, and Treatment Considerations of Coronavirus Disease 2019 (COVID-19): A Review. CJC Open 2021; 3:28-40. [PMID: 33458630 PMCID: PMC7801216 DOI: 10.1016/j.cjco.2020.09.003] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2020] [Accepted: 09/02/2020] [Indexed: 01/08/2023] Open
Abstract
The coronavirus disease 2019 (COVID-19) pandemic caused by the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is rapidly evolving, with important cardiovascular considerations. The presence of underlying cardiovascular risk factors and established cardiovascular disease (CVD) may affect the severity and clinical management of patients with COVID-19. We conducted a review of the literature to summarize the cardiovascular pathophysiology, risk factors, clinical presentations, and treatment considerations of COVID-19 patients with underlying CVD. Angiotensin-converting enzyme 2 (ACE2) has been identified as a functional receptor for the SARS-CoV-2 virus, and it is associated with the cardiovascular system. Hypertension, diabetes, and CVD are the most common comorbidities in COVID-19 patients, and these factors have been associated with the progression and severity of COVID-19. However, elderly populations, who develop more-severe COVID-19 complications, are naturally exposed to these comorbidities, underscoring the possible confounding of age. Observational data support international cardiovascular societies' recommendations to not discontinue ACE inhibitor/angiotensin-receptor blocker therapy in patients with guideline indications for fear of the increased risk of SARS-CoV-2 infection, severe disease, or death. In addition to the cardiotoxicity of experimental antivirals and potential interactions of experimental therapies with cardiovascular drugs, several strategies for cardiovascular protection have been recommended in COVID-19 patients with underlying CVD. Troponin elevation is associated with increased risk of in-hospital mortality and adverse outcomes in patients with COVID-19. Cardiovascular care teams should have a high index of suspicion for fulminant myocarditis-like presentations being SARS-CoV-2 positive, and remain vigilant for cardiovascular complications in COVID-19 patients.
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Affiliation(s)
- Jeremy Y. Levett
- Center of Clinical Epidemiology, Lady Davis Institute, Jewish General Hospital/McGill University, Montreal, Quebec, Canada
- Faculty of Medicine, McGill University, Montreal, Quebec, Canada
| | - Valeria Raparelli
- Department of Experimental Medicine, Sapienza University of Rome, Rome, Italy
| | - Vartan Mardigyan
- Division of Cardiology, Jewish General Hospital/McGill University, Montreal, Quebec, Canada
| | - Mark J. Eisenberg
- Center of Clinical Epidemiology, Lady Davis Institute, Jewish General Hospital/McGill University, Montreal, Quebec, Canada
- Faculty of Medicine, McGill University, Montreal, Quebec, Canada
- Division of Cardiology, Jewish General Hospital/McGill University, Montreal, Quebec, Canada
- Department of Epidemiology, Biostatistics and Occupational Health, McGill University, Montreal, Quebec, Canada
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Liu J, Xie Y, Cui Z, Xia T, Wan L, Zhou H, Zhang P, Zhang Y, Guan F, Liu W, Shi C. Bnip3 interacts with vimentin, an intermediate filament protein, and regulates autophagy of hepatic stellate cells. Aging (Albany NY) 2020; 13:957-972. [PMID: 33290258 PMCID: PMC7834981 DOI: 10.18632/aging.202211] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2020] [Accepted: 09/09/2020] [Indexed: 04/21/2023]
Abstract
Bnip3, which is regulated by Hif-1 in cells under oxygen deprivation, is a death related protein associated with autophagy and apoptosis. Hif-1 was reported to regulate autophagy to activate hepatic stellate cells (HSCs), while the specific molecular mechanism is vague. The possible mechanism of Hif-1 regulating autophagy of HSCs via Bnip3 was explored in this study. Bnip3 was detected in fibrotic liver tissues from humans and mice. Hif-1 was inhibited by chemical inhibitor and Bnip3 was detected in activated HSCs. The co-localization of Bnip3 and LC3B was captured by confocal microscopy and autophagic flow was assessed in Bnip3 siRNA transfected cells. Bnip3 interacted proteins were screened with mass spectrometry. The interaction of Bnip3 and vimentin was detected with co-immunoprecipitation and confocal microscopy. The results showed that Bnip3 was increased in fibrotic liver tissues and activated HSCs. Hif-1 inhibition suppressed Bnip3 expression in activated HSCs. Bnip3 was partially co-localized with autophagosomes and Bnip3 inhibition suppessed autophagy in activated HSCs. Bnip3 interacted with vimentin and Bnip3 expression was inhibited as vimentin was inhibited in activated HSCs. Conclusively, this study indicated that Bnip3 promoted autophagy and activation of HSCs, via interacting with vimentin, an intermediate filament protein with highly abundant expression in HSCs.
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Affiliation(s)
- Jie Liu
- Department of Pathogen Biology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, PR China
- Department of Hospital Infection Management, Wuhan Children’s Hospital (Wuhan Maternal and Child Healthcare Hospital), Tongji Medical College, Huazhong University of Science and Technology, Wuhan, PR China
| | - Yuyu Xie
- Department of Pathogen Biology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, PR China
| | - Zhangbo Cui
- Department of Pathogen Biology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, PR China
| | - Tian Xia
- Department of Surgery, Wuhan Third Hospital, Wuhan, PR China
| | - Lu Wan
- Department of Pathogen Biology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, PR China
- Department of Pathophysiology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, PR China
| | - Haifeng Zhou
- Department of Integrated Traditional Chinese and Western Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, PR China
| | - Peng Zhang
- Department of Immunology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, PR China
| | - Yijie Zhang
- Department of Pathogen Biology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, PR China
| | - Fei Guan
- Department of Pathogen Biology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, PR China
| | - Wenqi Liu
- Department of Pathogen Biology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, PR China
| | - Chunwei Shi
- Department of Pathogen Biology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, PR China
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Gorbunova AS, Yapryntseva MA, Denisenko TV, Zhivotovsky B. BNIP3 in Lung Cancer: To Kill or Rescue? Cancers (Basel) 2020; 12:cancers12113390. [PMID: 33207677 PMCID: PMC7697772 DOI: 10.3390/cancers12113390] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2020] [Revised: 11/06/2020] [Accepted: 11/13/2020] [Indexed: 12/12/2022] Open
Abstract
Simple Summary Bcl-2/adenovirus E1B 19kDa interacting protein 3 (BNIP3) is a pro-apoptotic BH3-only protein of the Bcl-2 family. Its function in various biological processes was described. Although potential involvement of BNIP3 in cancer progression has been discussed in many review articles, its specific role in lung cancer is still unclear. In this review, we shed light on the BNIP3‘s role in different types of cancer in general and lung cancer, in particular, as well as suggested its potential for targeting therapy of lung cancer. Abstract Bcl-2/adenovirus E1B 19kDa interacting protein 3 (BNIP3) is a pro-apoptotic BH3-only protein of the Bcl-2 family. Initially, BNIP3 was described as one of the mediators of hypoxia-induced apoptotic cell death in cardiac myocytes and neurons. Besides apoptosis, BNIP3 plays a crucial role in autophagy, metabolic pathways, and metastasis-related processes in different tumor types. Lung cancer is one of the most aggressive types of cancer, which is often diagnosed at an advanced stage. Therefore, there is still urgent demand for reliable biochemical markers for lung cancer and its efficient treatment. Mitochondria functioning and mitochondrial proteins, including BNIP3, have a strong impact on lung cancer development and progression. Here, we summarized current knowledge about the BNIP3 gene and protein features and their role in cancer progression, especially in lung cancer in order to develop new therapeutic approaches associated with BNIP3.
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Affiliation(s)
- Anna S. Gorbunova
- Faculty of Basic Medicine, Lomonosov Moscow State University, 119192 Moscow, Russia; (A.S.G.); (M.A.Y.); (T.V.D.)
| | - Maria A. Yapryntseva
- Faculty of Basic Medicine, Lomonosov Moscow State University, 119192 Moscow, Russia; (A.S.G.); (M.A.Y.); (T.V.D.)
| | - Tatiana V. Denisenko
- Faculty of Basic Medicine, Lomonosov Moscow State University, 119192 Moscow, Russia; (A.S.G.); (M.A.Y.); (T.V.D.)
| | - Boris Zhivotovsky
- Faculty of Basic Medicine, Lomonosov Moscow State University, 119192 Moscow, Russia; (A.S.G.); (M.A.Y.); (T.V.D.)
- Karolinska Institutet, Institute of Environmental Medicine, SE-17177 Stockholm, Sweden
- Correspondence:
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43
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Cui JW, Hong Y, Kuo YM, Yu SH, Wu XB, Cui ZY, Lee SD. Voluntary exercise training attenuated the middle-aged maturity-induced cardiac apoptosis. Life Sci 2020; 259:118187. [PMID: 32781061 DOI: 10.1016/j.lfs.2020.118187] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2020] [Revised: 07/23/2020] [Accepted: 07/29/2020] [Indexed: 11/18/2022]
Abstract
AIMS Voluntary exercise training has cardioprotective effects in humans, but the underlying mechanism is unknown. This research was done to estimate the effect of voluntary exercise training to attenuate middle-aged maturity-induced cardiac apoptosis. MATERIALS AND METHODS The study was designed to divide 64 male mice randomly into four groups, consisting of a 9-month sedentary pre-middle-aged group (9M), 15-month sedentary middle-aged group (15M), and two exercise groups using a voluntary wheel running respectively (9M+EX, 15M+EX). After 3 months, the condition of cardiac apoptosis in different groups was measured by HE dying, TUNEL and DAPI staining, and Western Blot analysis. KEY FINDINGS TUNEL-positive cells were increased in 15M group compared with 9M group, while decreased in 9M+EX and 15M+EX groups compared with their control groups respectively. Protein levels of AIF, Endo G, TNF-α, TNFR1, TRAF2, TRADD, Fas, FasL, FADD, activated caspase 8, 3, 9, Bax/Bcl2, Bak/BclxL, and tBid were decreased in 9M+EX and 15M+EX groups compared with their control groups respectively. The protein levels of pBad/Bad, 14-3-3, IGF1, IGFR1, pPI3K/PI3K, and pAKT/AKT were more activated in the 9M+EX and 15M+EX groups than those in their control groups respectively. Significant differences were found between 9M group and 15M group for the protein levels of TRAF2, FADD, Bax/Bcl2, tBid and pAKT/AKT. SIGNIFICANCE Voluntary exercise training as an important lifestyle modification may prevent cardiac widely dispersed apoptosis and enhance cardiac survival at middle-aged maturity.
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Affiliation(s)
- Jia-Wen Cui
- School of Rehabilitation Science, Shanghai University of Traditional Chinese Medicine, Shanghai, China; Institute of Rehabilitation Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Yi Hong
- The First Rehabilitation Hospital of Shanghai, Shanghai, China
| | - Yu-Min Kuo
- Institute of Basic Medical Sciences, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Shao-Hong Yu
- College of Rehabilitation, Shandong University of Traditional Chinese Medicine, Shandong, China
| | - Xu-Bo Wu
- School of Rehabilitation Science, Shanghai University of Traditional Chinese Medicine, Shanghai, China; Departmental of Rehabilitation, Seventh People's Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Zhen-Yang Cui
- School of Rehabilitation Medicine, Weifang Medical University, Shandong, China
| | - Shin-Da Lee
- School of Rehabilitation Science, Shanghai University of Traditional Chinese Medicine, Shanghai, China; College of Rehabilitation, Shandong University of Traditional Chinese Medicine, Shandong, China; Departmental of Rehabilitation, Seventh People's Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, China; School of Rehabilitation Medicine, Weifang Medical University, Shandong, China; Department of Physical Therapy, Asia University, Taichung, Taiwan; Department of Physical Therapy, Graduate Institute of Rehabilitation Science, China Medical University, Taichung, Taiwan.
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44
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Zajic DE, Podrabsky JE. GABA metabolism is crucial for long-term survival of anoxia in annual killifish embryos. J Exp Biol 2020; 223:jeb229716. [PMID: 32859669 DOI: 10.1242/jeb.229716] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2020] [Accepted: 08/24/2020] [Indexed: 08/25/2023]
Abstract
In most vertebrates, a lack of oxygen quickly leads to irreparable damages to vital organs, such as the brain and heart. However, there are some vertebrates that have evolved mechanisms to survive periods of no oxygen (anoxia). The annual killifish (Austrofundulus limnaeus) survives in ephemeral ponds in the coastal deserts of Venezuela and their embryos have the remarkable ability to tolerate anoxia for months. When exposed to anoxia, embryos of A. limnaeus respond by producing significant amounts of γ-aminobutyric acid (GABA). This study aims to understand the role of GABA in supporting the metabolic response to anoxia. To explore this, we investigated four developmentally distinct stages of A. limnaeus embryos that vary in their anoxia tolerance. We measured GABA and lactate concentrations across development in response to anoxia and aerobic recovery. We then inhibited enzymes responsible for the production and degradation of GABA and observed GABA and lactate concentrations, as well as embryo mortality. Here, we show for the first time that GABA metabolism affects anoxia tolerance in A. limnaeus embryos. Inhibition of enzymes responsible for GABA production (glutamate decarboxylase) and degradation (GABA-transaminase and succinic acid semialdehyde dehydrogenase) led to increased mortality, supporting a role for GABA as an intermediate product and not a metabolic end-product. We propose multiple roles for GABA during anoxia and aerobic recovery in A. limnaeus embryos, serving as a neurotransmitter, an energy source, and an anti-oxidant.
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Affiliation(s)
- Daniel E Zajic
- Department of Biology, Portland State University, PO Box 751, Portland, OR 97207, USA
- Health, Human Performance, and Athletics Department, Linfield University, 900 SE Baker, McMinnville, OR 97128, USA
| | - Jason E Podrabsky
- Department of Biology, Portland State University, PO Box 751, Portland, OR 97207, USA
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45
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Dittrich A, Hansen K, Simonsen MIT, Busk M, Alstrup AKO, Lauridsen H. Intrinsic Heart Regeneration in Adult Vertebrates May be Strictly Limited to Low-Metabolic Ectotherms. Bioessays 2020; 42:e2000054. [PMID: 32914411 DOI: 10.1002/bies.202000054] [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: 03/11/2020] [Revised: 08/12/2020] [Indexed: 01/24/2023]
Abstract
The heart has a high-metabolic rate, and its "around-the-clock" vital role to sustain life sets it apart in a regenerative setting from other organs and appendages. The landscape of vertebrate species known to perform intrinsic heart regeneration is strongly biased toward ectotherms-for example, fish, salamanders, and embryonic/neonatal ectothermic mammals. It is hypothesized that intrinsic heart regeneration is exclusively limited to the low-metabolic hearts of ectotherms. The biomedical field of regenerative medicine seeks to devise biologically inspired regenerative therapies to diseased human hearts. Falsification of the ectothermy dependency for heart regeneration hypothesis may be a crucial prerequisite to meaningfully seek inspiration in established ectothermic regenerative animal models. Otherwise, engineering approaches to construct artificial heart components may constitute a more viable path toward regenerative therapies. A more strict definition of regenerative phenomena is generated and several testable sub-hypotheses and experimental avenues are put forward to elucidate the link between heart regeneration and metabolism. Also see the video abstract here https://youtu.be/fZcanaOT5z8.
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Affiliation(s)
- Anita Dittrich
- Department of Clinical Medicine (Comparative Medicine Lab), Aarhus University, Aarhus N, 8200, Denmark
| | - Kasper Hansen
- Department of Clinical Medicine (Comparative Medicine Lab), Aarhus University, Aarhus N, 8200, Denmark.,Department of Forensic Medicine, Aarhus University, Aarhus N, 8200, Denmark.,Department of Biology (Zoophysiology), Aarhus University, Aarhus C, 8000, Denmark.,Leicester Royal Infirmary (East Midlands Forensic Pathology Unit), University of Leicester, Leicester, LE2 7LX, UK
| | | | - Morten Busk
- Department of Oncology (Experimental Clinical Oncology), Aarhus University Hospital, Aarhus N, 8200, Denmark.,Danish Centre for Particle Therapy, Aarhus University Hospital, Aarhus N, 8200, Denmark
| | | | - Henrik Lauridsen
- Department of Clinical Medicine (Comparative Medicine Lab), Aarhus University, Aarhus N, 8200, Denmark
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46
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Bavishi C, Bonow RO, Trivedi V, Abbott JD, Messerli FH, Bhatt DL. Special Article - Acute myocardial injury in patients hospitalized with COVID-19 infection: A review. Prog Cardiovasc Dis 2020; 63:682-689. [PMID: 32512122 PMCID: PMC7274977 DOI: 10.1016/j.pcad.2020.05.013] [Citation(s) in RCA: 187] [Impact Index Per Article: 46.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/29/2020] [Accepted: 05/29/2020] [Indexed: 02/06/2023]
Abstract
The Coronavirus Disease 2019 (COVID-19) is now a global pandemic with millions affected and millions more at risk for contracting the infection. The COVID-19 virus, SARS-CoV-2, affects multiple organ systems, especially the lungs and heart. Elevation of cardiac biomarkers, particularly high-sensitivity troponin and/or creatine kinase MB, is common in patients with COVID-19 infection. In our review of clinical analyses, we found that in 26 studies including 11,685 patients, the weighted pooled prevalence of acute myocardial injury was 20% (ranged from 5% to 38% depending on the criteria used). The plausible mechanisms of myocardial injury include, 1) hyperinflammation and cytokine storm mediated through pathologic T-cells and monocytes leading to myocarditis, 2) respiratory failure and hypoxemia resulting in damage to cardiac myocytes, 3) down regulation of ACE2 expression and subsequent protective signaling pathways in cardiac myocytes, 4) hypercoagulability and development of coronary microvascular thrombosis, 5) diffuse endothelial injury and 'endotheliitis' in several organs including the heart, and, 6) inflammation and/or stress causing coronary plaque rupture or supply-demand mismatch leading to myocardial ischemia/infarction. Cardiac biomarkers can be used to aid in diagnosis as well as risk stratification. In patients with elevated hs-troponin, clinical context is important and myocarditis as well as stress induced cardiomyopathy should be considered in the differential, along with type I and type II myocardial infarction. Irrespective of etiology, patients with acute myocardial injury should be prioritized for treatment. Clinical decisions including interventions should be individualized and carefully tailored after thorough review of risks/benefits. Given the complex interplay of SARS-CoV-2 with the cardiovascular system, further investigation into potential mechanisms is needed to guide effective therapies. Randomized trials are urgently needed to investigate treatment modalities to reduce the incidence and mortality associated with COVID-19 related acute myocardial injury.
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Affiliation(s)
- Chirag Bavishi
- Lifespan Cardiovascular Institute, Warren Alpert Medical School at Brown University, Providence, RI, United States of America
| | - Robert O Bonow
- Northwestern University Feinberg School of Medicine, Chicago, IL, United States of America
| | - Vrinda Trivedi
- Lifespan Cardiovascular Institute, Warren Alpert Medical School at Brown University, Providence, RI, United States of America
| | - J Dawn Abbott
- Lifespan Cardiovascular Institute, Warren Alpert Medical School at Brown University, Providence, RI, United States of America
| | - Franz H Messerli
- Swiss Cardiovascular Center, Bern University Hospital, University of Bern, Bern, Switzerland
| | - Deepak L Bhatt
- Brigham and Women's Hospital Heart & Vascular Center and Harvard Medical School, United States of America.
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47
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Olgar Y, Billur D, Tuncay E, Turan B. MitoTEMPO provides an antiarrhythmic effect in aged-rats through attenuation of mitochondrial reactive oxygen species. Exp Gerontol 2020; 136:110961. [PMID: 32325093 DOI: 10.1016/j.exger.2020.110961] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2020] [Revised: 03/16/2020] [Accepted: 04/03/2020] [Indexed: 01/08/2023]
Abstract
The death prevalence from cardiovascular disease is significantly high in elderly-populations, while mitochondrial-aging plays an important in abnormal function of vital organs through high mitochondrial ROS production. Mitochondria have a unique mode of action by providing ATP production and modulating the cytosolic Ca2+-signaling and maintain the redox status of cardiomyocytes. There is an aging-associated impairment in oxidative phosphorylation which causes a marked dysregulation of mitochondrial biogenesis. Therefore, we aimed to examine whether a mitochondria-targeting antioxidant, MitoTEMPO, can directly provide a cardioprotective effect on ventricular cardiomyocyte function under in vitro conditions. The MitoTEMPO-treatment (0.1 μM for 4-h) of aged-ventricular cardiomyocytes (from 24-mo-old rats), compared to those of the adults (from 8-mo-old rats) markedly augmented not only the depressed biochemical parameters but also the ultrastructure of mitochondria. It also provided marked protective action against increased mitochondrial superoxide formation and Bnip3 overexpression, which both markedly induce depolarized mitochondrial potential, increase reactive oxygen species, mitochondrial swelling and fission, and accelerate mitochondrial turnover via autophagy. Furthermore, it provided marked protection against spontaneous action potentials, via shortening the prolonged action potential duration, at most, through recovery in depressed K+-channel currents. Moreover, we determined significant recovery in the depressed intracellular Ca2+-changes under electrical stimulation in MitoTEMPO-treated the aged-cardiomyocytes. Overall, we provided important information associated with an antiarrhythmic action, thereby controlling cytosolic and mitochondrial Ca2+-handling, implying its possible protective role of mitochondria-targeting antioxidant-treatment during aging.
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Affiliation(s)
- Yusuf Olgar
- Departments of Biophysics, Ankara University, School of Medicine, Ankara, Turkey
| | - Deniz Billur
- Histology-Embryology, Ankara University, School of Medicine, Ankara, Turkey
| | - Erkan Tuncay
- Departments of Biophysics, Ankara University, School of Medicine, Ankara, Turkey
| | - Belma Turan
- Departments of Biophysics, Ankara University, School of Medicine, Ankara, Turkey.
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48
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Montagna C, Cirotti C, Rizza S, Filomeni G. When S-Nitrosylation Gets to Mitochondria: From Signaling to Age-Related Diseases. Antioxid Redox Signal 2020; 32:884-905. [PMID: 31931592 DOI: 10.1089/ars.2019.7872] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
Significance: Cysteines have an essential role in redox signaling, transforming an oxidant signal into a biological response. Among reversible cysteine post-translational modifications, S-nitrosylation acts as a redox-switch in several pathophysiological states, such as ischemia/reperfusion, synaptic transmission, cancer, and muscular dysfunctions. Recent Advances: Growing pieces of in vitro and in vivo evidence argue for S-nitrosylation being deeply involved in development and aging, and playing a role in the onset of different pathological states. New findings suggest it being an enzymatically regulated cellular process, with deep impact on mitochondrial structure and function, and in cellular metabolism. In light of this, the recent discovery of the denitrosylase S-nitrosoCoA (coenzyme A) reductase takes on even greater importance and opens new perspectives on S-nitrosylation as a general mechanism of cellular homeostasis. Critical Issues: Based on these recent findings, we aim at summarizing and elaborating on the established and emerging crucial roles of S-nitrosylation in mitochondrial metabolism and mitophagy, and provide an overview of the pathophysiological effects induced by its deregulation. Future Directions: The identification of new S-nitrosylation targets, and the comprehension of the mechanisms through which S-nitrosylation modulates specific classes of proteins, that is, those impinging on diverse mitochondrial functions, may help to better understand the pathophysiology of aging, and propose lines of intervention to slow down or extend the onset of aging-related diseases.
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Affiliation(s)
- Costanza Montagna
- Institute of Sports Medicine Copenhagen, Bispebjerg Hospital, Copenhagen, Denmark.,UniCamillus-Saint Camillus International University of Health Sciences, Rome, Italy
| | - Claudia Cirotti
- Laboratory of Signal Transduction, Fondazione Santa Lucia, Rome, Italy
| | - Salvatore Rizza
- Redox Signaling and Oxidative Stress Group, Cell Stress and Survival Unit, Danish Cancer Society Research Center, Copenhagen, Denmark
| | - Giuseppe Filomeni
- Redox Signaling and Oxidative Stress Group, Cell Stress and Survival Unit, Danish Cancer Society Research Center, Copenhagen, Denmark.,Department of Biology, Tor Vergata University of Rome, Rome, Italy
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49
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Liu H, Bolonduro OA, Hu N, Ju J, Rao AA, Duffy BM, Huang Z, Black LD, Timko BP. Heart-on-a-Chip Model with Integrated Extra- and Intracellular Bioelectronics for Monitoring Cardiac Electrophysiology under Acute Hypoxia. NANO LETTERS 2020; 20:2585-2593. [PMID: 32092276 DOI: 10.1021/acs.nanolett.0c00076] [Citation(s) in RCA: 101] [Impact Index Per Article: 25.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
We demonstrated a bioelectronic heart-on-a-chip model for studying the effects of acute hypoxia on cardiac function. A microfluidic channel enabled rapid modulation of medium oxygenation, which mimicked the regimes induced by a temporary coronary occlusion and reversibly activated hypoxia-related transduction pathways in HL-1 cardiac model cells. Extracellular bioelectronics provided continuous readouts demonstrating that hypoxic cells experienced an initial period of tachycardia followed by a reduction in beat rate and eventually arrhythmia. Intracellular bioelectronics consisting of Pt nanopillars temporarily entered the cytosol following electroporation, yielding action potential (AP)-like readouts. We found that APs narrowed during hypoxia, consistent with proposed mechanisms by which oxygen deficits activate ATP-dependent K+ channels that promote membrane repolarization. Significantly, both extra- and intracellular devices could be multiplexed, enabling mapping capabilities unachievable by other electrophysiological tools. Our platform represents a significant advance toward understanding electrophysiological responses to hypoxia and could be applicable to disease modeling and drug development.
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Affiliation(s)
- Haitao Liu
- Department of Biomedical Engineering, Tufts University, Medford, Massachusetts 02155, United States
- School of Materials Science and Technology, Beijing Key Laboratory of Materials Utilization of Nonmetallic Minerals and Solid Wastes, National Laboratory of Mineral Materials, China University of Geosciences, Beijing 100083, PR China
| | - Olurotimi A Bolonduro
- Department of Biomedical Engineering, Tufts University, Medford, Massachusetts 02155, United States
| | - Ning Hu
- Department of Biomedical Engineering, Tufts University, Medford, Massachusetts 02155, United States
- State Key Laboratory of Optoelectronic Materials and Technologies, School of Electronics and Information Technology, Guangdong Province Key Laboratory of Display Material and Technology, The First Affiliated Hospital of Sun Yat-Sen University, Sun Yat-Sen University, Guangzhou 510275, PR China
| | - Jie Ju
- Department of Biomedical Engineering, Tufts University, Medford, Massachusetts 02155, United States
| | - Akshita A Rao
- Department of Biomedical Engineering, Tufts University, Medford, Massachusetts 02155, United States
| | - Breanna M Duffy
- Department of Biomedical Engineering, Tufts University, Medford, Massachusetts 02155, United States
| | - Zhaohui Huang
- School of Materials Science and Technology, Beijing Key Laboratory of Materials Utilization of Nonmetallic Minerals and Solid Wastes, National Laboratory of Mineral Materials, China University of Geosciences, Beijing 100083, PR China
| | - Lauren D Black
- Department of Biomedical Engineering, Tufts University, Medford, Massachusetts 02155, United States
- Department of Cell, Molecular & Developmental Biology, School of Graduate Biomedical Sciences, Tufts University, Boston, Massachusetts 02111, United States
| | - Brian P Timko
- Department of Biomedical Engineering, Tufts University, Medford, Massachusetts 02155, United States
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50
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Qu M, Jiang X, Zhou X, Wang C, Wu Q, Ren L, Zhu J, Zhu S, Tebon P, Sun W, Khademhosseini A. Stimuli-Responsive Delivery of Growth Factors for Tissue Engineering. Adv Healthc Mater 2020; 9:e1901714. [PMID: 32125786 PMCID: PMC7189772 DOI: 10.1002/adhm.201901714] [Citation(s) in RCA: 64] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2019] [Revised: 02/03/2020] [Indexed: 02/05/2023]
Abstract
Growth factors (GFs) play a crucial role in directing stem cell behavior and transmitting information between different cell populations for tissue regeneration. However, their utility as therapeutics is limited by their short half-life within the physiological microenvironment and significant side effects caused by off-target effects or improper dosage. "Smart" materials that can not only sustain therapeutic delivery over a treatment period but also facilitate on-demand release upon activation are attracting significant interest in the field of GF delivery for tissue engineering. Three properties are essential in engineering these "smart" materials: 1) the cargo vehicle protects the encapsulated therapeutic; 2) release is targeted to the site of injury; 3) cargo release can be modulated by disease-specific stimuli. The aim of this review is to summarize the current research on stimuli-responsive materials as intelligent vehicles for controlled GF delivery; Five main subfields of tissue engineering are discussed: skin, bone and cartilage, muscle, blood vessel, and nerve. Challenges in achieving such "smart" materials and perspectives on future applications of stimuli-responsive GF delivery for tissue regeneration are also discussed.
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Affiliation(s)
- Moyuan Qu
- Department of Bioengineering, California NanoSystems Institute and Center for Minimally Invasive Therapeutics (C-MIT) University of California, Los Angeles, Los Angeles, CA 90095, USA
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
| | - Xing Jiang
- Department of Bioengineering, California NanoSystems Institute and Center for Minimally Invasive Therapeutics (C-MIT) University of California, Los Angeles, Los Angeles, CA 90095, USA
- School of Nursing, Nanjing University of Chinese Medicine, Nanjing 210023, China
| | - Xingwu Zhou
- Department of Bioengineering, California NanoSystems Institute and Center for Minimally Invasive Therapeutics (C-MIT) University of California, Los Angeles, Los Angeles, CA 90095, USA
- Department of Chemical and Biomolecular Engineering, University of California-Los Angeles, Los Angeles, CA 90095, USA
| | - Canran Wang
- Department of Bioengineering, California NanoSystems Institute and Center for Minimally Invasive Therapeutics (C-MIT) University of California, Los Angeles, Los Angeles, CA 90095, USA
- Department of Biochemistry and Molecular Cell Biology, Shanghai Key Laboratory for Tumor Microenvironment and Inflammation, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
| | - Qingzhi Wu
- Department of Bioengineering, California NanoSystems Institute and Center for Minimally Invasive Therapeutics (C-MIT) University of California, Los Angeles, Los Angeles, CA 90095, USA
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan 430070, China
| | - Li Ren
- Department of Bioengineering, California NanoSystems Institute and Center for Minimally Invasive Therapeutics (C-MIT) University of California, Los Angeles, Los Angeles, CA 90095, USA
- School of Life Sciences, Northwestern Polytechnical University, Xi’an 710072, China
| | - Jixiang Zhu
- Department of Bioengineering, California NanoSystems Institute and Center for Minimally Invasive Therapeutics (C-MIT) University of California, Los Angeles, Los Angeles, CA 90095, USA
- Department of Biomedical Engineering, School of Basic Medical Sciences, Guangzhou Medical University, Guangzhou 511436, China
| | - Songsong Zhu
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
| | - Peyton Tebon
- Department of Bioengineering, California NanoSystems Institute and Center for Minimally Invasive Therapeutics (C-MIT) University of California, Los Angeles, Los Angeles, CA 90095, USA
| | - Wujin Sun
- Department of Bioengineering, California NanoSystems Institute and Center for Minimally Invasive Therapeutics (C-MIT) University of California, Los Angeles, Los Angeles, CA 90095, USA
| | - Ali Khademhosseini
- Department of Bioengineering, California NanoSystems Institute and Center for Minimally Invasive Therapeutics (C-MIT) University of California, Los Angeles, Los Angeles, CA 90095, USA
- Department of Chemical and Biomolecular Engineering, University of California-Los Angeles, Los Angeles, CA 90095, USA
- Jonsson Comprehensive Cancer Center, Department of Radiology University of California-Los Angeles, Los Angeles, CA 90095, USA
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