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Yang X, Lu W, Alves de Souza RW, Mao Q, Baram D, Tripathi R, Wang G, Otterbein LE, Wang B. Metal-Free CO Prodrugs Activated by Molecular Oxygen Protect against Doxorubicin-Induced Cardiomyopathy in Mice. J Med Chem 2024. [PMID: 39417235 DOI: 10.1021/acs.jmedchem.4c01431] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2024]
Abstract
Carbon monoxide has been extensively studied for its various therapeutic activities in cell cultures and animal models. Great efforts have been made to develop noninhalational approaches for easy and controlled CO delivery. Herein, we introduce a novel metal-free CO prodrug approach that releases CO under near-physiological conditions. CO from the quinone-derived CO prodrugs is initiated by general acid/base-catalyzed tautomerization followed by oxidation by molecular oxygen to form the key norbornadienone intermediate, leading to cheletropic CO release only in an aerobic environment. Representative CO prodrug analog QCO-105 showed marked anti-inflammatory effects and HO-1 induction activity in RAW264.7 macrophages. In a mouse model of doxorubicin-induced cardiomyopathy, we show for the first time that the CO prodrug QCO-105 prevented cardiomyocyte injury, consistent with the known organ-protective effects of HO-1 and CO. Overall, such a new CO prodrug design serves as the starting point for developing CO-based therapy in attenuating the cardiotoxicity of doxorubicin.
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Affiliation(s)
- Xiaoxiao Yang
- Chemistry Department, Center for Diagnostics and Therapeutics, Georgia State University, Atlanta, Georgia 30303, United States
| | - Wen Lu
- Chemistry Department, Center for Diagnostics and Therapeutics, Georgia State University, Atlanta, Georgia 30303, United States
| | - Rodrigo W Alves de Souza
- Department of Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts 02215, United States
| | - Qiyue Mao
- Chemistry Department, Center for Diagnostics and Therapeutics, Georgia State University, Atlanta, Georgia 30303, United States
| | - Dipak Baram
- Chemistry Department, Center for Diagnostics and Therapeutics, Georgia State University, Atlanta, Georgia 30303, United States
| | - Ravi Tripathi
- Chemistry Department, Center for Diagnostics and Therapeutics, Georgia State University, Atlanta, Georgia 30303, United States
| | - Gangli Wang
- Chemistry Department, Center for Diagnostics and Therapeutics, Georgia State University, Atlanta, Georgia 30303, United States
| | - Leo E Otterbein
- Department of Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts 02215, United States
| | - Binghe Wang
- Chemistry Department, Center for Diagnostics and Therapeutics, Georgia State University, Atlanta, Georgia 30303, United States
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2
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Xie J, Wang L, Tian S, Li R, Zhang L, Shi H, Liu Z, Ma T, Hu H, She Z, Wang L. The Protective Role of Transcript-Induced in Spermiogenesis 40 in Cerebral Ischemia-Reperfusion Injury. Neurochem Res 2024; 49:2519-2534. [PMID: 38884889 DOI: 10.1007/s11064-024-04170-4] [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: 10/30/2023] [Revised: 04/18/2024] [Accepted: 05/22/2024] [Indexed: 06/18/2024]
Abstract
Prompt reperfusion after cerebral ischemia is important to maintain neuronal survival and reduce permanent disability and death. However, the resupply of blood can induce oxidative stress, inflammatory response and apoptosis, further leading to tissue damage. Here, we report the versatile biological roles of transcript-induced in spermiogenesis 40 (Tisp40) in ischemic stroke. We found that the expression of Tisp40 was upregulated in ischemia/reperfusion-induced brain tissues and oxygen glucose deprivation/returned -stimulated neurons. Tisp40 deficiency increased the infarct size and neurological deficit score, and promoted inflammation and apoptosis. Tisp40 overexpression played the opposite role. In vitro, the oxygen glucose deprivation/returned model was established in Tisp40 knockdown and overexpression primary cultured cortical neurons. Tisp40 knockdown can aggravate the process of inflammation and apoptosis, and Tisp40 overexpression ameliorated the aforementioned processes. Mechanistically, Tisp40 protected against ischemic stroke via activating the AKT signaling pathway. Tisp40 may be a new therapeutic target in brain ischemia/reperfusion injury.
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Affiliation(s)
- Jing Xie
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Lei Wang
- Department of Neurosurgery, Huanggang Central Hospital, Huanggang, China
| | - Song Tian
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan, China
- Institute of Model Animal of Wuhan University, Wuhan, China
| | - Ruyan Li
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Li Zhang
- Institute of Model Animal of Wuhan University, Wuhan, China
| | - Hongjie Shi
- Department of Neurosurgery, Huanggang Central Hospital, Huanggang, China
| | - Zhen Liu
- Institute of Model Animal of Wuhan University, Wuhan, China
| | - Tengfei Ma
- Department of Neurosurgery, Huanggang Central Hospital, Huanggang, China
- Huanggang Institute of Translational Medicine, Huanggang, China
| | - Heng Hu
- Institute of Model Animal of Wuhan University, Wuhan, China
| | - Zhigang She
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan, China.
- Institute of Model Animal of Wuhan University, Wuhan, China.
| | - Lang Wang
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan, China.
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3
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Rose KN, Zorlu M, Fassini A, Lee H, Cai W, Xue X, Lin S, Kivisakk P, Schwarzschild MA, Chen X, Gomperts SN. Neuroprotection of low dose carbon monoxide in Parkinson's disease models commensurate with the reduced risk of Parkinson's among smokers. NPJ Parkinsons Dis 2024; 10:152. [PMID: 39174550 PMCID: PMC11341721 DOI: 10.1038/s41531-024-00763-6] [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: 03/15/2024] [Accepted: 07/24/2024] [Indexed: 08/24/2024] Open
Abstract
Paradoxically, cigarette smoking is associated with a reduced risk of Parkinson's Disease (PD). This led us to hypothesize that carbon monoxide (CO) levels, which are constitutively but modestly elevated in smokers, might contribute to neuroprotection. Using rodent models of PD based on α-synuclein (αSyn) accumulation and oxidative stress, we show that low-dose CO mitigates neurodegeneration and reduces αSyn pathology. Oral CO administration activated signaling cascades mediated by heme oxygenase-1 (HO-1), which have been implicated in limiting oxidative stress, and in promoting αSyn degradation, thereby conferring neuroprotection. Consistent with the neuroprotective effect of smoking, HO-1 levels in cerebrospinal fluid were higher in human smokers compared to nonsmokers. Moreover, in PD brain samples, HO-1 levels were higher in neurons without αSyn pathology. Thus, CO in rodent PD models reduces pathology and increases oxidative stress responses, phenocopying possible protective effects of smoking evident in PD patients. These data highlight the potential for low-dose CO-modulated pathways to slow symptom onset and limit pathology in PD patients.
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Affiliation(s)
- K N Rose
- Department of Neurology, Massachusetts General Hospital, Boston, MA, 02114, USA
- Harvard Medical School, Boston, MA, 02115, USA
| | - M Zorlu
- Department of Neurology, Massachusetts General Hospital, Boston, MA, 02114, USA
| | - A Fassini
- Department of Neurology, Massachusetts General Hospital, Boston, MA, 02114, USA
- Harvard Medical School, Boston, MA, 02115, USA
| | - H Lee
- Department of Neurology, Massachusetts General Hospital, Boston, MA, 02114, USA
| | - W Cai
- Department of Neurology, Massachusetts General Hospital, Boston, MA, 02114, USA
| | - X Xue
- Department of Neurology, Massachusetts General Hospital, Boston, MA, 02114, USA
| | - S Lin
- Department of Neurology, Massachusetts General Hospital, Boston, MA, 02114, USA
| | - P Kivisakk
- Department of Neurology, Massachusetts General Hospital, Boston, MA, 02114, USA
- Harvard Medical School, Boston, MA, 02115, USA
| | - M A Schwarzschild
- Department of Neurology, Massachusetts General Hospital, Boston, MA, 02114, USA
- Harvard Medical School, Boston, MA, 02115, USA
| | - X Chen
- Department of Neurology, Massachusetts General Hospital, Boston, MA, 02114, USA
- Harvard Medical School, Boston, MA, 02115, USA
| | - S N Gomperts
- Department of Neurology, Massachusetts General Hospital, Boston, MA, 02114, USA.
- Harvard Medical School, Boston, MA, 02115, USA.
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Liu Z, Meng H, Wang X, Lu W, Ma X, Geng Y, Su X, Pan D, Liang P. Interaction between ambient CO and temperature or relative humidity on the risk of stroke hospitalization. Sci Rep 2024; 14:16740. [PMID: 39033193 PMCID: PMC11271280 DOI: 10.1038/s41598-024-67568-8] [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: 09/24/2023] [Accepted: 07/12/2024] [Indexed: 07/23/2024] Open
Abstract
Although the independent effects of ambient CO, temperature or humidity on stroke have been confirmed, it is still unclear where there is an interaction between these factors and who is sensitive populations for these. The stroke hospitalization and ambient CO, temperature, humidity data were collected in 22 Counties and districts of Ningxia, China in 2014-2019. The lagged effect of ambient CO, temperature or humidity were analyze by the generalized additive model; the interaction were evaluated by the bivariate response surface model and stratified analysis with relative excessive risk (RERI). High temperature and CO levels had synergistic effects on hemorrhagic stroke (RERI = 0.05, 95% CI 0.033-0.086) and ischemic stroke (RERI = 0.035, 95% CI 0.006-0.08). Low relative humidity and CO were synergistic in hemorrhagic stroke (RERI = 0.192, 95% CI 0.184-0.205) and only in ischemic stroke in the elderly group (RERI = 0.056, 95% CI 0.025-0.085). High relative humidity and CO exhibited antagonistic effects on the risk of ischemic stroke hospitalization in both male and female groups (RERI = - 0.088, 95% CI - 0.151to - 0.031; RERI = - 0.144, 95% CI - 0.216 to - 0.197). Exposure to CO increases the risk of hospitalization related to hemorrhagic and ischemic strokes. CO and temperature or humidity interact with risk of stroke hospitalization with sex and age differences.
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Affiliation(s)
- Zhuo Liu
- School of Public Health and Management, Ningxia Medical University, Yinchuan, 750001, China
- Ningxia Key Laboratory of Environmental Factors and Chronic Disease Control, Yinchuan, 750000, China
| | - Hua Meng
- School of Public Health and Management, Ningxia Medical University, Yinchuan, 750001, China
- Ningxia Key Laboratory of Environmental Factors and Chronic Disease Control, Yinchuan, 750000, China
| | - Xingtian Wang
- General hospital of Ningxia Medical University, No. 804, Shengli Street, Xingqing District, Yinchuan, 750001, Ningxia, China
| | - Wenwen Lu
- Shenzhen Futian District Chronic Disease Prevention and Treatment Hospital, 18 Xinzhou 8Th Street, Futian District, Shenzhen, 518048, China
| | - Xiaojuan Ma
- School of Public Health and Management, Ningxia Medical University, Yinchuan, 750001, China
- Ningxia Key Laboratory of Environmental Factors and Chronic Disease Control, Yinchuan, 750000, China
| | - Yuhui Geng
- School of Public Health and Management, Ningxia Medical University, Yinchuan, 750001, China
- Ningxia Key Laboratory of Environmental Factors and Chronic Disease Control, Yinchuan, 750000, China
| | - Xinya Su
- School of Public Health and Management, Ningxia Medical University, Yinchuan, 750001, China
- Ningxia Key Laboratory of Environmental Factors and Chronic Disease Control, Yinchuan, 750000, China
| | - Dongfeng Pan
- Department of Emergency Medicine, People's Hospital of Ningxia Hui Autonomous Region, Yinchuan, 750000, China
| | - Peifeng Liang
- Public Health Center, People's Hospital of Ningxia Hui Autonomous Region, Ningxia Medical University, 301 Zhengyuan North Street, Yinchuan, 750000, Ningxia, China.
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Gao X, Jin B, Zhou X, Bai J, Zhong H, Zhao K, Huang Z, Wang C, Zhu J, Qin Q. Recent advances in the application of gasotransmitters in spinal cord injury. J Nanobiotechnology 2024; 22:277. [PMID: 38783332 PMCID: PMC11112916 DOI: 10.1186/s12951-024-02523-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2024] [Accepted: 05/01/2024] [Indexed: 05/25/2024] Open
Abstract
Spinal Cord Injury (SCI) is a condition characterized by complete or incomplete motor and sensory impairment, as well as dysfunction of the autonomic nervous system, caused by factors such as trauma, tumors, or inflammation. Current treatment methods primarily include traditional approaches like spinal canal decompression and internal fixation surgery, steroid pulse therapy, as well as newer techniques such as stem cell transplantation and brain-spinal cord interfaces. However, the above methods have limited efficacy in promoting axonal and neuronal regeneration. The challenge in medical research today lies in promoting spinal cord neuron regeneration and regulating the disrupted microenvironment of the spinal cord. Studies have shown that gas molecular therapy is increasingly used in medical research, with gasotransmitters such as hydrogen sulfide, nitric oxide, carbon monoxide, oxygen, and hydrogen exhibiting neuroprotective effects in central nervous system diseases. The gas molecular protect against neuronal death and reshape the microenvironment of spinal cord injuries by regulating oxidative, inflammatory and apoptotic processes. At present, gas therapy mainly relies on inhalation for systemic administration, which cannot effectively enrich and release gas in the spinal cord injury area, making it difficult to achieve the expected effects. With the rapid development of nanotechnology, the use of nanocarriers to achieve targeted enrichment and precise control release of gas at Sites of injury has become one of the emerging research directions in SCI. It has shown promising therapeutic effects in preclinical studies and is expected to bring new hope and opportunities for the treatment of SCI. In this review, we will briefly outline the therapeutic effects and research progress of gasotransmitters and nanogas in the treatment of SCI.
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Affiliation(s)
- Xiang Gao
- Department of Orthopedics, The Second Affiliated Hospital of Soochow University, Suzhou, 215000, Jiangsu, China
| | - Bingrong Jin
- Department of Anesthesiology, The Second Affiliated Hospital of Soochow University, Suzhou, 215000, Jiangsu, China
| | - Xiaozhong Zhou
- Department of Orthopedics, The Second Affiliated Hospital of Soochow University, Suzhou, 215000, Jiangsu, China
| | - Jinyu Bai
- Department of Orthopedics, The Second Affiliated Hospital of Soochow University, Suzhou, 215000, Jiangsu, China
| | - Hao Zhong
- Department of Anesthesiology, The Second Affiliated Hospital of Soochow University, Suzhou, 215000, Jiangsu, China
| | - Kai Zhao
- Department of Anesthesiology, The Second Affiliated Hospital of Soochow University, Suzhou, 215000, Jiangsu, China
| | - Zongrui Huang
- Department of Anesthesiology, The Second Affiliated Hospital of Soochow University, Suzhou, 215000, Jiangsu, China
| | - Chao Wang
- Institute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials and Devices, Soochow University, Suzhou, 215123, Jiangsu, China
| | - Jiang Zhu
- Department of Anesthesiology, The Second Affiliated Hospital of Soochow University, Suzhou, 215000, Jiangsu, China.
| | - Qin Qin
- Department of Anesthesiology, The Second Affiliated Hospital of Soochow University, Suzhou, 215000, Jiangsu, China.
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Alves de Souza RW, Voltarelli V, Gallo D, Shankar S, Tift MS, Young M, Gomperts E, Gomperts A, Otterbein LE. Beneficial Effects of Oral Carbon Monoxide on Doxorubicin-Induced Cardiotoxicity. J Am Heart Assoc 2024; 13:e032067. [PMID: 38700010 PMCID: PMC11179858 DOI: 10.1161/jaha.123.032067] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/03/2023] [Accepted: 12/21/2023] [Indexed: 05/05/2024]
Abstract
BACKGROUND Doxorubicin and other anthracyclines are crucial cancer treatment drugs. However, they are associated with significant cardiotoxicity, severely affecting patient care and limiting dosage and usage. Previous studies have shown that low carbon monoxide (CO) concentrations protect against doxorubicin toxicity. However, traditional methods of CO delivery pose complex challenges for daily administration, such as dosing and toxicity. To address these challenges, we developed a novel oral liquid drug product containing CO (HBI-002) that can be easily self-administered by patients with cancer undergoing doxorubicin treatment, resulting in CO being delivered through the upper gastrointestinal tract. METHODS AND RESULTS HBI-002 was tested in a murine model of doxorubicin cardiotoxicity in the presence and absence of lung or breast cancer. The mice received HBI-002 twice daily before doxorubicin administration and experienced increased carboxyhemoglobin levels from a baseline of ≈1% to 7%. Heart tissue from mice treated with HBI-002 had a 6.3-fold increase in CO concentrations and higher expression of the cytoprotective enzyme heme oxygenase-1 compared with placebo control. In both acute and chronic doxorubicin toxicity scenarios, HBI-002 protected the heart from cardiotoxic effects, including limiting tissue damage and cardiac dysfunction and improving survival. In addition, HBI-002 did not compromise the efficacy of doxorubicin in reducing tumor volume, but rather enhanced the sensitivity of breast 4T1 cancer cells to doxorubicin while simultaneously protecting cardiac function. CONCLUSIONS These findings strongly support using HBI-002 as a cardioprotective agent that maintains the therapeutic benefits of doxorubicin cancer treatment while mitigating cardiac damage.
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Affiliation(s)
| | - Vanessa Voltarelli
- Department of SurgeryBeth Israel Deaconess Medical Center, Harvard Medical SchoolBostonMAUSA
| | - David Gallo
- Department of SurgeryBeth Israel Deaconess Medical Center, Harvard Medical SchoolBostonMAUSA
| | - Sidharth Shankar
- Department of SurgeryBeth Israel Deaconess Medical Center, Harvard Medical SchoolBostonMAUSA
| | - Michael S. Tift
- Department of Biology and Marine BiologyUniversity of North Carolina WilmingtonWilmingtonNCUSA
| | - Mark Young
- Hillhurst Biopharmaceuticals, lncMontroseCAUSA
| | | | | | - Leo E. Otterbein
- Department of SurgeryBeth Israel Deaconess Medical Center, Harvard Medical SchoolBostonMAUSA
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Ni M, Qiu J, Liu G, Sun X, Zhu W, Wu P, Chen Z, Qiu J, Wu Z, Zhang Y, Zhang F, Li C, Gao Y, Zhou J, Zhu Q. Loss of macrophage TSC1 exacerbates sterile inflammatory liver injury through inhibiting the AKT/MST1/NRF2 signaling pathway. Cell Death Dis 2024; 15:146. [PMID: 38360839 PMCID: PMC10869801 DOI: 10.1038/s41419-024-06538-4] [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: 11/01/2023] [Revised: 01/24/2024] [Accepted: 02/05/2024] [Indexed: 02/17/2024]
Abstract
Tuberous sclerosis complex 1 (TSC1) plays important roles in regulating innate immunity. However, the precise role of TSC1 in macrophages in the regulation of oxidative stress response and hepatic inflammation in liver ischemia/reperfusion injury (I/R) remains unknown. In a mouse model of liver I/R injury, deletion of myeloid-specific TSC1 inhibited AKT and MST1 phosphorylation, and decreased NRF2 accumulation, whereas activated TLR4/NF-κB pathway, leading to increased hepatic inflammation. Adoptive transfer of AKT- or MST1-overexpressing macrophages, or Keap1 disruption in myeloid-specific TSC1-knockout mice promoted NRF2 activation but reduced TLR4 activity and mitigated I/R-induced liver inflammation. Mechanistically, TSC1 in macrophages promoted AKT and MST1 phosphorylation, and protected NRF2 from Keap1-mediated ubiquitination. Furthermore, overexpression AKT or MST1 in TSC1-knockout macrophages upregulated NRF2 expression, downregulated TLR4/NF-κB, resulting in reduced inflammatory factors, ROS and inflammatory cytokine-mediated hepatocyte apoptosis. Strikingly, TSC1 induction in NRF2-deficient macrophages failed to reverse the TLR4/NF-κB activity and production of pro-inflammatory factors. Conclusions: Macrophage TSC1 promoted the activation of the AKT/MST1 signaling pathway, increased NRF2 levels via reducing Keap1-mediated ubiquitination, and modulated oxidative stress-driven inflammatory responses in liver I/R injury. Our findings underscore the critical role of macrophage TSC1 as a novel regulator of innate immunity and imply the therapeutic potential for the treatment of sterile liver inflammation in transplant recipients. Schematic illustration of macrophage TSC1-mediated AKT/MST1/NRF2 signaling pathway in I/R-triggered liver inflammation. Macrophage TSC1 can be activated in I/R-stressed livers. TSC1 activation promotes phosphorylation of AKT and MST1, which in turn increases NRF2 expression and inhibits ROS production and TLR4/NF-κB activation, resulting in reduced hepatocellular apoptosis in I/R-triggered liver injury.
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Affiliation(s)
- Ming Ni
- Hepatobiliary Center, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Jiannan Qiu
- Hepatobiliary Center, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Guoqing Liu
- Children's Hospital of Nanjing Medical University, Nanjing, China
| | - Xiaohu Sun
- Hepatobiliary Center, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Wenjie Zhu
- Kangda College of Nanjing Medical University, Lianyun Gang, China
| | - Peng Wu
- Children's Hospital of Nanjing Medical University, Nanjing, China
| | - Zheng Chen
- Children's Hospital of Nanjing Medical University, Nanjing, China
| | - Jiajing Qiu
- Children's Hospital of Nanjing Medical University, Nanjing, China
| | - Ziming Wu
- Children's Hospital of Nanjing Medical University, Nanjing, China
| | - Yang Zhang
- Children's Hospital of Nanjing Medical University, Nanjing, China
| | - Feng Zhang
- Hepatobiliary Center, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Changyong Li
- Department of Physiology, Wuhan University School of Basic Medical Sciences, Wuhan, China
- Xianning Medical College, Hubei University of Science & Technology, Xianning, China
| | - Yuan Gao
- Department of Hepato-biliary-pancreatic Surgery, The Affiliated Changzhou No.2 People's Hospital of Nanjing Medical University, Changzhou, China.
- The Institute of Hepatobiliary and pancreatic diseases, The Affiliated Changzhou No.2 People's Hospital of Nanjing Medical University, Changzhou, China.
| | - Jun Zhou
- Children's Hospital of Nanjing Medical University, Nanjing, China.
| | - Qiang Zhu
- Children's Hospital of Nanjing Medical University, Nanjing, China.
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8
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Rose KN, Zorlu M, Xue X, Fassini A, Cai W, Lin S, Webb P, Schwarzschild MA, Chen X, Gomperts SN. Neuroprotection of low dose carbon monoxide in Parkinson's disease models commensurate with the reduced risk of Parkinson's among smokers. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2023.05.27.542565. [PMID: 37398030 PMCID: PMC10312428 DOI: 10.1101/2023.05.27.542565] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/04/2023]
Abstract
Paradoxically, cigarette smoking is associated with a reduced risk of Parkinson's disease (PD). This led us to hypothesize that carbon monoxide (CO) levels, which are constitutively but modestly elevated in smokers, might contribute to neuroprotection. Using rodent models of PD based on α-synuclein (αSyn) accumulation and oxidative stress, we show that low-dose CO mitigates neurodegeneration and reduces αSyn pathology. Oral CO administration activated signaling cascades mediated by heme oxygenase-1 (HO-1), which have been implicated in limiting oxidative stress, and in promoting αSyn degradation, thereby conferring neuroprotection. Consistent with a neuroprotective effect of smoking, HO-1 levels in cerebrospinal fluid were higher in human smokers compared to nonsmokers. Moreover, in PD brain samples, HO-1 levels were higher in neurons without αSyn pathology. Thus, CO in rodent PD models reduces pathology and increases oxidative stress responses, phenocopying possible protective effects of smoking evident in PD patients. These data highlight the potential for low-dose CO modulated pathways to slow symptom onset and limit pathology in PD patients.
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9
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Bauer N, Liu D, Nguyen T, Wang B. Unraveling the Interplay of Dopamine, Carbon Monoxide, and Heme Oxygenase in Neuromodulation and Cognition. ACS Chem Neurosci 2024; 15:400-407. [PMID: 38214656 PMCID: PMC10853931 DOI: 10.1021/acschemneuro.3c00742] [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: 11/15/2023] [Revised: 12/13/2023] [Accepted: 12/19/2023] [Indexed: 01/13/2024] Open
Abstract
The dopaminergic system plays important roles in neuromodulation, including prominent roles in complex neurological functions such as cognition, reward, motivation, and memory. Understandably, the highly complex nature of such physiological functions means that their regulation is intertwined with other signaling pathways, as has been demonstrated by numerous studies. Contrary to its public perception of being poisonous at all concentrations, carbon monoxide (CO) is produced endogenously from heme degradation by heme oxygenase (HO) as part of the physiological process of red blood cell turnover. Physiological concentrations of CO can reach high micromolar ranges in the hemoglobin bound form. Low-dose CO has shown therapeutic effects in numerous animal models, including traumatic brain injury via engaging various hemoprotein targets. As such, the HO-CO axis has been shown to offer beneficial effects in organ protection, anti-inflammation, and neuroprotection, among many others. Further, a large number of publications have shown the interactions among CO, HO, and the dopaminergic system. In this review, we critically examine such experimental evidence in a holistic fashion and in the context of a possible dopamine-HO-CO signaling axis. We hope that this Perspective will stimulate additional investigations into the molecular connectivity related to this possible axis and open doors to the development of novel therapeutics that impact the dopaminergic system.
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Affiliation(s)
- Nicola Bauer
- Department of Chemistry and
Center for Diagnostics and Therapeutics, Georgia State University, Atlanta, Georgia 30303, United States
| | - Dongning Liu
- Department of Chemistry and
Center for Diagnostics and Therapeutics, Georgia State University, Atlanta, Georgia 30303, United States
| | - TanPhat Nguyen
- Department of Chemistry and
Center for Diagnostics and Therapeutics, Georgia State University, Atlanta, Georgia 30303, United States
| | - Binghe Wang
- Department of Chemistry and
Center for Diagnostics and Therapeutics, Georgia State University, Atlanta, Georgia 30303, United States
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10
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Rose KN, Schwarzschild MA, Gomperts SN. Clearing the Smoke: What Protects Smokers from Parkinson's Disease? Mov Disord 2024; 39:267-272. [PMID: 38226487 PMCID: PMC10923097 DOI: 10.1002/mds.29707] [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: 08/23/2023] [Revised: 11/22/2023] [Accepted: 12/15/2023] [Indexed: 01/17/2024] Open
Abstract
The link between smoking and a lower risk of Parkinson's disease (PD) is one of the strongest environmental or lifestyle associations in neuroepidemiology. Growing evidence supports the hypothesis that the association is based on a neuroprotective effect of smoking on PD, despite the plausible alternative that smoking serves as a marker for a proximal protective influence without itself conferring benefit. But how smoking could protect against neurodegeneration in PD is not well understood. Of several candidate molecules and mechanisms that have been nominated, nicotine has received the most attention. However, randomized controlled clinical trials of nicotine in PD have failed to demonstrate benefit on motor endpoints, including the NIC-PD study in which recently diagnosed participants were randomly assigned to placebo or nicotine treatment for 1 year. Given these results, the time is right to evaluate the neuroprotective potential of other molecules and biochemical cascades triggered by smoking. Here, we review the evidence supporting smoking's possible protective effect on PD, compounds in tobacco and smoke that might mediate such benefit, and non-causal classes of explanation, including reverse causation and the prospect of shared genetic determinants of smoking and PD resistance. The therapeutic potential of non-nicotine components of smoke is suggested by studies supporting multiple alternative mechanisms ranging from monoamine oxidase inhibitors to gut microbiome disruption to antioxidant response induction by chronic exposure to low levels of carbon monoxide. Rigorous investigation is warranted to evaluate this molecule and others for disease-preventing and disease-modifying activity in PD models and, if warranted, in clinical trials. © 2024 The Authors. Movement Disorders published by Wiley Periodicals LLC on behalf of International Parkinson and Movement Disorder Society.
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Affiliation(s)
- Kenneth N. Rose
- Department of Neurology, Massachusetts General Hospital, Boston, Massachusetts, USA
| | | | - Stephen N. Gomperts
- Department of Neurology, Massachusetts General Hospital, Boston, Massachusetts, USA
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11
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Su M, Ji X, Liu F, Li Z, Yan D. Chemical Strategies Toward Prodrugs and Fluorescent Probes for Gasotransmitters. Mini Rev Med Chem 2024; 24:300-329. [PMID: 37102481 DOI: 10.2174/1389557523666230427152234] [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: 11/28/2022] [Revised: 02/03/2023] [Accepted: 02/20/2023] [Indexed: 04/28/2023]
Abstract
Three gaseous molecules are widely accepted as important gasotransmitters in mammalian cells, namely NO, CO and H2S. Due to the pharmacological effects observed in preclinical studies, these three gasotransmitters represent promising drug candidates for clinical translation. Fluorescent probes of the gasotransmitters are also in high demand; however, the mechanisms of actions or the roles played by gasotransmitters under both physiological and pathological conditions remain to be answered. In order to bring these challenges to the attention of both chemists and biologists working in this field, we herein summarize the chemical strategies used for the design of both probes and prodrugs of these three gasotransmitters.
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Affiliation(s)
- Ma Su
- Department of Medicinal Chemistry, College of Pharmaceutical Sciences, Suzhou University, China
| | - Xingyue Ji
- Department of Medicinal Chemistry, Jiangsu Key Laboratory of Neuropsychiatric Diseases, Suzhou University, China
| | - Feng Liu
- Department of Medicinal Chemistry, Jiangsu Key Laboratory of Neuropsychiatric Diseases, Suzhou University, China
| | - Zhang Li
- Department of Medicinal Chemistry, College of Pharmaceutical Sciences, Suzhou University, China
| | - Duanyang Yan
- Department of Medicinal Chemistry, College of Pharmaceutical Sciences, Suzhou University, China
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12
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Geng W, Yan S, Li X, Liu Q, Zhang X, Gu X, Tian X, Jiang Y. miR-432-5p Inhibits the Ferroptosis in Cardiomyocytes Induced by Hypoxia/Reoxygenation via Activating Nrf2/SLC7A11 Axis by Degrading Keap1. Anal Cell Pathol (Amst) 2023; 2023:1293200. [PMID: 37822721 PMCID: PMC10564581 DOI: 10.1155/2023/1293200] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2022] [Revised: 08/13/2023] [Accepted: 08/26/2023] [Indexed: 10/13/2023] Open
Abstract
Early reperfusion into the myocardium after ischemia causes myocardial ischemia-reperfusion (I/R) injury and ferroptosis was involved. Ischemia activates the expression of a series of oxidative stress genes and their downstream regulatory genes, including ferroptosis-related genes such as nuclear factor E2-related factor 2 (Nrf2), glutathione peroxidase 4 (GPX4), and SLC7A11. This study adopted primary cardiomyocytes and I/R in rats to evaluate the ferroptosis and changing of Nrf2-SLC7A11/heme oxygenase-1 (HO-1) in vitro and in vivo. Online analysis tools were used to predict the possible target Kelch-like ECH-associated protein 1 (Keap1) of miR-432-5p. The mimic of miR-432-5p plasmid was constructed to verify the effect of miR-432-5p on ferroptosis. We found that hypoxia/reoxygenation (H/R) in cardiomyocytes and I/R in rats induced lipid peroxidation and ferroptosis in cardiomyocytes. The activation of the Nrf2-SLC7A11/HO-1 pathway protects cardiomyocytes from ferroptosis. Downregulation of miR-432-5p has been confirmed in H/R cardiomyocytes (in vitro) and cardiomyocytes in myocardial infarction rats (in vivo). Upregulation of miR-432-5p inhibited ferroptosis of cardiomyocytes induced by RAS-selective lethal 3 (RSL3), an inhibitor of GPX4 and ferroptosis inducer through decreasing the binding protein of Nrf2, Keap1, which was confirmed by bioinformatics and mutation assay. Knockdown Nrf2 attenuates the protection effect of miR-432-5p on H/R cardiomyocytes. Intravenous delivery of liposome carriers of miR-432-5p remarkably ameliorated cardiomyocyte impairment in the I/R animal model. In conclusion, miR-432-5p inhibits the ferroptosis in cardiomyocytes induced by H/R by activating Nrf2/SLC7A11 axis by degrading Keap1 and is a potential drug target for clinical myocardial infarction treatment.
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Affiliation(s)
- Wei Geng
- Department of Cardiology, Baoding No. 1 Central Hospital, Baoding City, Hebei, China
| | - Shaohua Yan
- Department of Cardiology, Baoding No. 1 Central Hospital, Baoding City, Hebei, China
| | - Xinyue Li
- Department of Cardiology, Baoding No. 1 Central Hospital, Baoding City, Hebei, China
| | - Qiumei Liu
- Department of Cardiology, Baoding No. 1 Central Hospital, Baoding City, Hebei, China
| | - Xuefei Zhang
- Department of Cardiology, Baoding No. 1 Central Hospital, Baoding City, Hebei, China
| | - Xinshun Gu
- Department of Cardiology, The Second Hospital of Hebei Medical University, Shijiazhuang City, Hebei, China
| | - Xiang Tian
- Department of Cardiology, Baoding No. 1 Central Hospital, Baoding City, Hebei, China
| | - Yunfa Jiang
- Department of Cardiology, The Second Hospital of Hebei Medical University, Shijiazhuang City, Hebei, China
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13
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Kim CH, Kim HY, Nah SY, Choi YK. The effects of Korean Red Ginseng on heme oxygenase-1 with a focus on mitochondrial function in pathophysiologic conditions. J Ginseng Res 2023; 47:615-621. [PMID: 37720574 PMCID: PMC10499582 DOI: 10.1016/j.jgr.2023.04.001] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2022] [Revised: 03/21/2023] [Accepted: 04/07/2023] [Indexed: 09/19/2023] Open
Abstract
Korean Red Ginseng (KRG) plays a key role in heme oxygenase (HO)-1 induction under physical and moderate oxidative stress conditions. The transient and mild induction of HO-1 is beneficial for cell protection, mitochondrial function, regeneration, and intercellular communication. However, chronic HO-1 overexpression is detrimental in severely injured regions. Thus, in a chronic pathological state, diminishing HO-1-mediated ferroptosis is beneficial for a therapeutic approach. The molecular mechanisms by which KRG protects various cell types in the central nervous system have not yet been established, especially in terms of HO-1-mediated mitochondrial functions. Therefore, in this review, we discuss the multiple roles of KRG in the regulation of astrocytic HO-1 under pathophysiological conditions. More specifically, we discuss the role of the KRG-mediated astrocytic HO-1 pathway in regulating mitochondrial functions in acute and chronic neurodegenerative diseases as well as physiological conditions.
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Affiliation(s)
- Chang-Hee Kim
- Department of Otorhinolaryngology-Head and Neck Surgery, Konkuk University Medical Center, Konkuk University School of Medicine, Republic of Korea
| | - Hahn Young Kim
- Department of Neurology, Research Institute of Medical Science, Konkuk University School of Medicine, Seoul, Republic of Korea
| | - Seung-Yeol Nah
- Ginsentology Research Laboratory and Department of Physiology, College of Veterinary Medicine, Konkuk University, Seoul, Republic of Korea
| | - Yoon Kyung Choi
- Bio/Molecular Informatics Center, Department of Bioscience and Biotechnology, Konkuk University, Seoul, Republic of Korea
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14
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Guo Y, Guan T, Jiao X, Tian X, Jin C, Zhang G, Kong J. Carbon monoxide preconditioning is mediated via activation of mitochondrial-derived vesicles. Brain Res Bull 2023; 195:99-108. [PMID: 36805464 DOI: 10.1016/j.brainresbull.2023.02.011] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2022] [Revised: 12/30/2022] [Accepted: 02/16/2023] [Indexed: 02/19/2023]
Abstract
Preconditioning with inhalative carbon monoxide (CO) at low concentrations provides protection against hypoxic and ischemic insults in the brain and heart. The present study aims to test a hypothesis that activation of mitochondrial-derived vesicles (MDVs) is a mechanism underlying the protective effect of CO preconditioning. Here we show that CO preconditioning induced mild oxidative stress and activated massive production of MDVs. Short exposure to a low concentration of carbon monoxide-releasing molecule 2 (CORM-2), a donor of carbon monoxide, prevented oligodendrocyte precursor cells (OPCs) from subsequent death induced by high doses of CO, and protected Chinese hamster ovary (CHO) cells against oxygen-glucose deprivation (OGD)-induced cell death. Furthermore, inhibition of lysosomal activity prevented degradation of MDVs, abolished MDV-mediated mitochondrial quality control, and diminished the protective effect of CO preconditioning. Altogether, our data provide direct evidence suggesting that MDV-mediated mitochondrial quality control may have a novel role in CO preconditioning.
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Affiliation(s)
- Ying Guo
- Department of Human Anatomy and Cell Science, University of Manitoba, 745 Bannatyne Avenue, Winnipeg, Manitoba, R3E 0J9, Canada; Department of Forensic Medicine, Hebei North University, 11-South Diamond Road, Zhangjiakou, Hebei, 075000, China.
| | - Teng Guan
- Department of Human Anatomy and Cell Science, University of Manitoba, 745 Bannatyne Avenue, Winnipeg, Manitoba, R3E 0J9, Canada.
| | - Xin Jiao
- Department of Forensic Medicine, Hebei North University, 11-South Diamond Road, Zhangjiakou, Hebei, 075000, China.
| | - Xiaofei Tian
- Department of Forensic Medicine, Hebei North University, 11-South Diamond Road, Zhangjiakou, Hebei, 075000, China.
| | - Chunting Jin
- Department of Forensic Medicine, Hebei North University, 11-South Diamond Road, Zhangjiakou, Hebei, 075000, China.
| | - Guohui Zhang
- Department of Forensic Medicine, Hebei North University, 11-South Diamond Road, Zhangjiakou, Hebei, 075000, China.
| | - Jiming Kong
- Department of Human Anatomy and Cell Science, University of Manitoba, 745 Bannatyne Avenue, Winnipeg, Manitoba, R3E 0J9, Canada; Department of Forensic Medicine, Hebei North University, 11-South Diamond Road, Zhangjiakou, Hebei, 075000, China.
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15
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Potential effects of carbon monoxide donor and its nanoparticles on experimentally induced gastric ulcer in rats. Inflammopharmacology 2023; 31:1495-1510. [PMID: 36882659 DOI: 10.1007/s10787-023-01166-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2022] [Accepted: 02/13/2023] [Indexed: 03/09/2023]
Abstract
The prevalence of gastric ulcers is increasing worldwide, especially those brought on by non-steroidal anti-inflammatory drugs (NSAIDS), so prevention is extremely crucial. The protective potential of carbon monoxide (CO) in several inflammatory disorders has been clarified. The goal of the current study was to investigate the gastroprotective effect of CO produced by its pharmacological donor (CORM2) and its nanoparticles (NPs) against indomethacin (INDO)-induced ulcers. Investigations on CORM2's dose-dependent effects were also conducted. For induction of gastric ulcer, 100 mg kg-1 of INDO was given orally. Before ulcer induction, CORM2 (5, 10, and 15 mg kg-1), CORM2 nanoparticles (5 mg kg-1), or ranitidine (30 mg kg-1) were given intraperitoneally for 7 days. Ulcer score, gastric acidity, gastric contents of malondialdehyde (MDA), nitric oxide (NO), heme oxygenase-1 (HO-1), and carboxyhemoglobin (COHb) blood content were estimated. Additionally, gene expression of nuclear factor erythroid 2-related factor 2 (NRF2) and immunohistochemical staining of cyclooxygenase-1 (COX-1) as well as cyclooxygenase-2 (COX-2) were analyzed. Results demonstrated a substantial dose-dependent decrease in ulcer score, pro-inflammatory indicators, and oxidative stress markers with CORM2 and its NPs. Furthermore, CORM2 and its NPs markedly increased NRF2, COX-1, and HO-1, but CORM2 NPs outperformed CORM2 in this regard. In conclusion, the CO released by CORM2 can protect against INDO-induced gastric ulcers dose dependently, and the highest used dose had no effect on COHb concentration.
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Zhu F, Xiong J, Yi F, Luo E, Huang C, Li R. Albiflorin relieves cerebral ischemia-reperfusion injury by activating Nrf2/HO-1 pathway. Histol Histopathol 2023; 38:233-245. [PMID: 36121178 DOI: 10.14670/hh-18-518] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/24/2023]
Abstract
Our work aims to investigate the functions of a natural compound, Albiflorin (AF) in cerebral ischemia-reperfusion (IR) injury. The cerebral IR models were established by OGD/R in PC12 cells and MCAO/IR in rats. The cells in a glucose-free medium were placed in an anaerobic chamber containing 95% N₂ and 5% CO₂ for 3h at 37°C, returned to a normal medium, and incubated for 24h to accomplish OGD/R. Focal cerebral ischemia was conducted by thread occlusion of the right middle cerebral artery for 2h followed by 24h reperfusion in rats. CCK-8 assay indicated that AF had no toxicity to PC12 cells. Flow cytometry, Western blot, or TUNEL showed that AF treatment reduced apoptosis of cells or rat brain tissues. qRT-PCR and ELISA showed that AF decreased IL-1β, IL-6, and TNF-α levels in vitro and in vivo. Elevated levels of MDA, SOD, and ROS induced by IR injury were mitigated by AF in vitro and in vivo. HE and TTC staining revealed that AF ameliorated pathological injury in MCAO/IR rats. Western blot showed that Nrf2, NQO1, and HO-1 expression was activated by AF, and ML385 treatment suppressed the inhibition effects of AF in cerebral IR injury models. Overall, AF alleviates cerebral IR injury via regulating the Nrf2/HO-1 pathway.
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Affiliation(s)
- Fei Zhu
- Department of Neurology, Pingxiang People's Hospital, Jiangxi Province, PR China
| | - Jianzhong Xiong
- Department of rehabilitation, Pingxiang People's Hospital, Jiangxi Province, PR China
| | - Fei Yi
- Department of Neurology, Pingxiang People's Hospital, Jiangxi Province, PR China
| | - Ermin Luo
- Department of Neurology, Pingxiang People's Hospital, Jiangxi Province, PR China
| | - Chun Huang
- Department of Neurology, Pingxiang People's Hospital, Jiangxi Province, PR China
| | - Runying Li
- Department of Stomatology, Pingxiang People's Hospital, Jiangxi Province, PR China.
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Nrf2 Regulates Oxidative Stress and Its Role in Cerebral Ischemic Stroke. Antioxidants (Basel) 2022; 11:antiox11122377. [PMID: 36552584 PMCID: PMC9774301 DOI: 10.3390/antiox11122377] [Citation(s) in RCA: 69] [Impact Index Per Article: 34.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2022] [Revised: 11/23/2022] [Accepted: 11/27/2022] [Indexed: 12/05/2022] Open
Abstract
Cerebral ischemic stroke is characterized by acute ischemia in a certain part of the brain, which leads to brain cells necrosis, apoptosis, ferroptosis, pyroptosis, etc. At present, there are limited effective clinical treatments for cerebral ischemic stroke, and the recovery of cerebral blood circulation will lead to cerebral ischemia-reperfusion injury (CIRI). Cerebral ischemic stroke involves many pathological processes such as oxidative stress, inflammation, and mitochondrial dysfunction. Nuclear factor erythroid 2-related factor 2 (Nrf2), as one of the most critical antioxidant transcription factors in cells, can coordinate various cytoprotective factors to inhibit oxidative stress. Targeting Nrf2 is considered as a potential strategy to prevent and treat cerebral ischemia injury. During cerebral ischemia, Nrf2 participates in signaling pathways such as Keap1, PI3K/AKT, MAPK, NF-κB, and HO-1, and then alleviates cerebral ischemia injury or CIRI by inhibiting oxidative stress, anti-inflammation, maintaining mitochondrial homeostasis, protecting the blood-brain barrier, and inhibiting ferroptosis. In this review, we have discussed the structure of Nrf2, the mechanisms of Nrf2 in cerebral ischemic stroke, the related research on the treatment of cerebral ischemia through the Nrf2 signaling pathway in recent years, and expounded the important role and future potential of the Nrf2 pathway in cerebral ischemic stroke.
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Li Q, Fadoul G, Ikonomovic M, Yang T, Zhang F. Sulforaphane promotes white matter plasticity and improves long-term neurological outcomes after ischemic stroke via the Nrf2 pathway. Free Radic Biol Med 2022; 193:292-303. [PMID: 36244590 DOI: 10.1016/j.freeradbiomed.2022.10.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/24/2022] [Revised: 09/29/2022] [Accepted: 10/03/2022] [Indexed: 01/11/2023]
Abstract
AIMS Post-stroke cognitive impairment (PSCI) is a common condition following ischemic stroke. Neuronal loss and white matter injury are among the most common neuropathological characteristics in patients with PSCI. The present study tested our hypothesis that activation of the transcription factor nuclear factor erythroid 2-related factor 2 (Nrf2) reduces neuronal loss, white matter injury, and neurobehavioral deficits in a mouse model of PSCI and investigated the underlying protective mechanisms. METHODS PSCI was modeled in wildtype (WT) and Nrf2 knockout (KO), male and female mice, by distal middle cerebral artery occlusion (dMCAO), with intraperitoneal injections of the Nrf2 activator sulforaphane (Sfn) or vehicle. Long-term (35 days) sensorimotor and cognitive performances, white matter integrity, oligodendrogenesis by BrdU incorporation, and neurite sprouting using anterograde tract-tracing were evaluated up to 35 days after dMCAO. Neuronal apoptosis was evaluated three days after dMCAO. In vitro, primary neuronal cultures were applied to validate the in vivo findings. RESULTS Compared to vehicle-injected controls, Sfn treatment improved long-term sensorimotor and cognitive deficits after dMCAO in WT male and female mice. Sfn-treated WT mice also had less myelin loss/axonal injury and showed evidence of Nrf2 activation. Sfn treatment failed to provide the same level of protection in Nrf2 KO mice. Mechanistically, the ability of Sfn to reduce neuronal death after ischemia in vitro and in vivo, augment axonal sprouting and enhance oligodendrogenesis after dMCAO was dependent on Nrf2 activation. CONCLUSION Our results support that Nrf2 is critical for Sfn-afforded neuroprotection after ischemic stroke. Thus, targeting Nrf2 may be a promising strategy for the treatment of PSCI.
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Affiliation(s)
- Qianqian Li
- Department of Neurology, Pittsburgh Institute of Brain Disorders and Recovery, University of Pittsburgh, Pittsburgh, PA, USA
| | - George Fadoul
- Department of Neurology, Pittsburgh Institute of Brain Disorders and Recovery, University of Pittsburgh, Pittsburgh, PA, USA
| | - Milos Ikonomovic
- Departments of Neurology and Psychiatry, University of Pittsburgh, USA; Geriatric Research Education and Clinical Center, VA Pittsburgh Healthcare System, Pittsburgh, PA, USA
| | - Tuo Yang
- Department of Neurology, Pittsburgh Institute of Brain Disorders and Recovery, University of Pittsburgh, Pittsburgh, PA, USA.
| | - Feng Zhang
- Department of Neurology, Pittsburgh Institute of Brain Disorders and Recovery, University of Pittsburgh, Pittsburgh, PA, USA.
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Solhpour A, Kumar S, Koch MJ, Doré S. Impact of blood component transfusions, tranexamic acid and fluids on subarachnoid hemorrhage outcomes. BRAIN HEMORRHAGES 2022. [DOI: 10.1016/j.hest.2022.10.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
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Ji X, Zhong Z. External stimuli-responsive gasotransmitter prodrugs: Chemistry and spatiotemporal release. J Control Release 2022; 351:81-101. [PMID: 36116579 DOI: 10.1016/j.jconrel.2022.09.026] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2022] [Revised: 09/09/2022] [Accepted: 09/12/2022] [Indexed: 11/28/2022]
Abstract
Gasotransmitters like nitric oxide, carbon monoxide, and hydrogen sulfide with unique pleiotropic pharmacological effects in mammals are an emerging therapeutic modality for different human diseases including cancer, infection, ischemia-reperfusion injuries, and inflammation; however, their clinical translation is hampered by the lack of a reliable delivery form, which delivers such gasotransmitters to the action site with precisely controlled dosage. The external stimuli-responsive prodrug strategy has shown tremendous potential in developing gasotransmitter prodrugs, which affords precise temporospatial control and better dose control compared with endogenous stimuli-sensitive prodrugs. The promising external stimuli employed for gasotransmitter activation range from photo, ultrasound, and bioorthogonal click chemistry to exogenous enzymes. Herein, we highlight the recent development of external stimuli-mediated decaging chemistry for the temporospatial delivery of gasotransmitters including nitric oxide, carbon monoxide, hydrogen sulfide and sulfur dioxide, and discuss the pros and cons of different designs.
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Affiliation(s)
- Xingyue Ji
- College of Pharmaceutical Sciences, State Key Laboratory of Radiation Medicine and Protection, Soochow University, Suzhou 215123, PR China.
| | - Zhiyuan Zhong
- College of Pharmaceutical Sciences, State Key Laboratory of Radiation Medicine and Protection, Soochow University, Suzhou 215123, PR China; Biomedical Polymers Laboratory, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, PR China.
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21
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CORM-3 Attenuates Oxidative Stress-Induced Bone Loss via the Nrf2/HO-1 Pathway. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2022; 2022:5098358. [PMID: 36035220 PMCID: PMC9402314 DOI: 10.1155/2022/5098358] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/15/2022] [Accepted: 08/05/2022] [Indexed: 12/01/2022]
Abstract
Bone metabolism occurs in the entire life of an individual and is required for maintaining skeletal homeostasis. The imbalance between osteogenesis and osteoclastogenesis eventually leads to osteoporosis. Oxidative stress is considered a major cause of bone homeostasis disorder, and relieving excessive oxidative stress in bone mesenchymal stem cells (BMSCs) is a potential treatment strategy for osteoporosis. Carbon monoxide releasing molecule-3 (CORM-3), the classical donor of carbon monoxide (CO), possesses antioxidation, antiapoptosis, and anti-inflammatory properties. In our study, we found that CORM-3 could reduce reactive oxygen species (ROS) accumulation and prevent mitochondrial dysfunction thereby restoring the osteogenic potential of the BMSCs disrupted by hydrogen peroxide (H2O2) exposure. The action of CORM-3 was preliminarily considered the consequence of Nrf2/HO-1 axis activation. In addition, CORM-3 inhibited osteoclast formation in mouse primary bone marrow monocytes (BMMs) by inhibiting H2O2-induced polarization of M1 macrophages and endowing macrophages with M2 polarizating ability. Rat models further demonstrated that CORM-3 treatment could restore bone mass and enhance the expression of Nrf2 and osteogenic markers in the distal femurs. In summary, CORM-3 is a potential therapeutic agent for the treatment of osteoporosis.
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22
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Choi YK, Kim YM. Beneficial and Detrimental Roles of Heme Oxygenase-1 in the Neurovascular System. Int J Mol Sci 2022; 23:ijms23137041. [PMID: 35806040 PMCID: PMC9266949 DOI: 10.3390/ijms23137041] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2022] [Revised: 06/15/2022] [Accepted: 06/21/2022] [Indexed: 02/04/2023] Open
Abstract
Heme oxygenase (HO) has both beneficial and detrimental effects via its metabolites, including carbon monoxide (CO), biliverdin or bilirubin, and ferrous iron. HO-1 is an inducible form of HO that is upregulated by oxidative stress, nitric oxide, CO, and hypoxia, whereas HO-2 is a constitutive form that regulates vascular tone and homeostasis. In brains injured by trauma, ischemia-reperfusion, or Alzheimer’s disease (AD), the long-term expression of HO-1 can be detected, which can lead to cytotoxic ferroptosis via iron accumulation. In contrast, the transient induction of HO-1 in the peri-injured region may have regenerative potential (e.g., angiogenesis, neurogenesis, and mitochondrial biogenesis) and neurovascular protective effects through the CO-mediated signaling pathway, the antioxidant properties of bilirubin, and the iron-mediated ferritin synthesis. In this review, we discuss the dual roles of HO-1 and its metabolites in various neurovascular diseases, including age-related macular degeneration, ischemia-reperfusion injury, traumatic brain injury, Gilbert’s syndrome, and AD.
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Affiliation(s)
- Yoon Kyung Choi
- Bio/Molecular Informatics Center, Department of Bioscience and Biotechnology, Konkuk University, Seoul 05029, Korea
- Correspondence: (Y.K.C.); (Y.-M.K.); Tel.: +82-2-450-0558 (Y.K.C.); +82-33-250-8831 (Y.-M.K.)
| | - Young-Myeong Kim
- Department of Molecular and Cellular Biochemistry, School of Medicine, Kangwon National University, Chuncheon 24341, Korea
- Correspondence: (Y.K.C.); (Y.-M.K.); Tel.: +82-2-450-0558 (Y.K.C.); +82-33-250-8831 (Y.-M.K.)
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23
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Siracusa R, Voltarelli VA, Trovato Salinaro A, Modafferi S, Cuzzocrea S, Calabrese EJ, Di Paola R, Otterbein LE, Calabrese V. NO, CO and H 2S: A Trinacrium of Bioactive Gases in the Brain. Biochem Pharmacol 2022; 202:115122. [PMID: 35679892 DOI: 10.1016/j.bcp.2022.115122] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2022] [Revised: 05/31/2022] [Accepted: 06/01/2022] [Indexed: 11/02/2022]
Abstract
Oxygen and carbon dioxide are time honored gases that have direct bearing on almost all life forms, but over the past thirty years, and in large part due to the Nobel Prize Award in Medicine for the elucidation of nitric oxide (NO) as a bioactive gas, the research and medical communities now recognize other gases as critical for survival. In addition to NO, hydrogen sulfide (H2S) and carbon monoxide (CO) have emerged as a triumvirate or Trinacrium of gases with analogous importance and that serve important homeostatic functions. Perhaps, one of the most intriguing aspects of these gases is the functional interaction between them, which is intimately linked by the enzyme systems that produce them. Despite the need to better understand NO, H2S and CO biology, the notion that these are environmental pollutants remains ever present. For this reason, incorporating the concept of hormesis becomes imperative and must be included in discussions when considering developing new therapeutics that involve these gases. While there is now an enormous literature base for each of these gasotransmitters, we provide here an overview of their respective physiologic roles in the brain.
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Affiliation(s)
- Rosalba Siracusa
- Department of Chemical, Biological, Pharmaceutical and Environmental Science, University of Messina, Messina, 98166, Italy
| | - Vanessa A Voltarelli
- Department of Surgery, Harvard Medical School, Beth Israel Deaconess Medical Center, Boston, MA, 02115, USA
| | - Angela Trovato Salinaro
- Department of Biomedical and Biotechnological Sciences, University of Catania, Catania, Italy
| | - Sergio Modafferi
- Department of Biomedical and Biotechnological Sciences, University of Catania, Catania, Italy
| | - Salvatore Cuzzocrea
- Department of Chemical, Biological, Pharmaceutical and Environmental Science, University of Messina, Messina, 98166, Italy
| | - Edward J Calabrese
- Department of Environmental Health Sciences, Morrill I, N344, University of Massachusetts, Amherst, MA 01003, USA
| | - Rosanna Di Paola
- Department of Veterinary Science, University of Messina, 98168, Messina, Italy
| | - Leo E Otterbein
- Department of Surgery, Harvard Medical School, Beth Israel Deaconess Medical Center, Boston, MA, 02115, USA.
| | - Vittorio Calabrese
- Department of Biomedical and Biotechnological Sciences, University of Catania, Catania, Italy.
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Zafonte RD, Wang L, Arbelaez CA, Dennison R, Teng YD. Medical Gas Therapy for Tissue, Organ, and CNS Protection: A Systematic Review of Effects, Mechanisms, and Challenges. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2022; 9:e2104136. [PMID: 35243825 PMCID: PMC9069381 DOI: 10.1002/advs.202104136] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/16/2021] [Revised: 01/10/2022] [Indexed: 05/13/2023]
Abstract
Gaseous molecules have been increasingly explored for therapeutic development. Here, following an analytical background introduction, a systematic review of medical gas research is presented, focusing on tissue protections, mechanisms, data tangibility, and translational challenges. The pharmacological efficacies of carbon monoxide (CO) and xenon (Xe) are further examined with emphasis on intracellular messengers associated with cytoprotection and functional improvement for the CNS, heart, retina, liver, kidneys, lungs, etc. Overall, the outcome supports the hypothesis that readily deliverable "biological gas" (CO, H2 , H2 S, NO, O2 , O3 , and N2 O) or "noble gas" (He, Ar, and Xe) treatment may preserve cells against common pathologies by regulating oxidative, inflammatory, apoptotic, survival, and/or repair processes. Specifically, CO, in safe dosages, elicits neurorestoration via igniting sGC/cGMP/MAPK signaling and crosstalk between HO-CO, HIF-1α/VEGF, and NOS pathways. Xe rescues neurons through NMDA antagonism and PI3K/Akt/HIF-1α/ERK activation. Primary findings also reveal that the need to utilize cutting-edge molecular and genetic tactics to validate mechanistic targets and optimize outcome consistency remains urgent; the number of neurotherapeutic investigations is limited, without published results from large in vivo models. Lastly, the broad-spectrum, concurrent multimodal homeostatic actions of medical gases may represent a novel pharmaceutical approach to treating critical organ failure and neurotrauma.
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Affiliation(s)
- Ross D. Zafonte
- Department of Physical Medicine and RehabilitationHarvard Medical SchoolBostonMA02115USA
- Neurotrauma Recovery Research, Department of Physical Medicine and RehabilitationSpaulding Rehabilitation Hospital Network, Mass General Brigham, and Harvard Medical SchoolBostonMA02129USA
- Spaulding Research InstituteSpaulding Rehabilitation Hospital NetworkBostonMA02129USA
| | - Lei Wang
- Department of Physical Medicine and RehabilitationHarvard Medical SchoolBostonMA02115USA
- Laboratory of SCI, Stem Cell and Recovery Neurobiology Research, Department of Physical Medicine and RehabilitationSpaulding Rehabilitation Hospital Network, Mass General Brigham, and Harvard Medical SchoolBostonMA02129USA
| | - Christian A. Arbelaez
- Department of Physical Medicine and RehabilitationHarvard Medical SchoolBostonMA02115USA
- Laboratory of SCI, Stem Cell and Recovery Neurobiology Research, Department of Physical Medicine and RehabilitationSpaulding Rehabilitation Hospital Network, Mass General Brigham, and Harvard Medical SchoolBostonMA02129USA
| | - Rachel Dennison
- Department of Physical Medicine and RehabilitationHarvard Medical SchoolBostonMA02115USA
- Laboratory of SCI, Stem Cell and Recovery Neurobiology Research, Department of Physical Medicine and RehabilitationSpaulding Rehabilitation Hospital Network, Mass General Brigham, and Harvard Medical SchoolBostonMA02129USA
| | - Yang D. Teng
- Department of Physical Medicine and RehabilitationHarvard Medical SchoolBostonMA02115USA
- Neurotrauma Recovery Research, Department of Physical Medicine and RehabilitationSpaulding Rehabilitation Hospital Network, Mass General Brigham, and Harvard Medical SchoolBostonMA02129USA
- Spaulding Research InstituteSpaulding Rehabilitation Hospital NetworkBostonMA02129USA
- Laboratory of SCI, Stem Cell and Recovery Neurobiology Research, Department of Physical Medicine and RehabilitationSpaulding Rehabilitation Hospital Network, Mass General Brigham, and Harvard Medical SchoolBostonMA02129USA
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Carbon Monoxide Protects Neural Stem Cells Against Iron Overload by Modulating the Crosstalk Between Nrf2 and NF-κB Signaling. Neurochem Res 2022; 47:1383-1394. [PMID: 35258778 DOI: 10.1007/s11064-022-03537-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2021] [Revised: 12/31/2021] [Accepted: 01/19/2022] [Indexed: 11/12/2022]
Abstract
Although accumulating evidences have demonstrated pro-survival effects of CO against various insults, the precise mechanism explaining how neural stem cells (NSCs) are protected by CO also remains largely unknown. Here we report CO pro-survival effect on NSCs against iron overload was comparable to that obtained with pharmacological inhibitors of reactive oxygen species (ROS). Its pro-survival effect was accompanied by the inhibition of ROS and subsequent inhibition of NF-κB which is mediated through nuclear factor erythroid 2-related factor 2 (Nrf2), in that activation of Nrf2 by CO inhibited ROS via up-regulation of NQO-1 while down-regulation of Nrf2 reversed the pro-survival effect of CO both in vitro and in vivo. CO-mediated preconditioning results in Nrf2 up-regulation and NF-κB inhibition, suggesting that these two pathways act in an inverse manner to maintain redox homeostasis. Our findings revealed CO preconditioning as a promising treatment strategy to improve efficacy of NSCs transplantation after hemorrhagic stroke.
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Beck KF, Pfeilschifter J. The Pathophysiology of H2S in Renal Glomerular Diseases. Biomolecules 2022; 12:biom12020207. [PMID: 35204708 PMCID: PMC8961591 DOI: 10.3390/biom12020207] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2021] [Revised: 01/12/2022] [Accepted: 01/22/2022] [Indexed: 02/06/2023] Open
Abstract
Renal glomerular diseases such as glomerulosclerosis and diabetic nephropathy often result in the loss of glomerular function and consequently end-stage renal disease. The glomerulus consists of endothelial cells, mesangial cells and glomerular epithelial cells also referred to as podocytes. A fine-tuned crosstalk between glomerular cells warrants control of growth factor synthesis and of matrix production and degradation, preserving glomerular structure and function. Hydrogen sulfide (H2S) belongs together with nitric oxide (NO) and carbon monoxide (CO) to the group of gasotransmitters. During the last three decades, these higher concentration toxic gases have been found to be produced in mammalian cells in a well-coordinated manner. Recently, it became evident that H2S and the other gasotransmitters share common targets as signalling devices that trigger mainly protective pathways. In several animal models, H2S has been demonstrated as a protective factor in the context of kidney disorders, in particular of diabetic nephropathy. Here, we focus on the synthesis and action of H2S in glomerular cells, its beneficial effects in the glomerulus and its action in the context of the other gaseous signalling molecules NO and CO.
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Ahmed O, Xu M, Zhou F, Wein AN, Upadhya GA, Ye L, Wong BW, Lin Y, O'Farrelly C, Chapman WC. NRF2 assessment in discarded liver allografts: A role in allograft function and salvage. Am J Transplant 2022; 22:58-70. [PMID: 34379880 DOI: 10.1111/ajt.16789] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2021] [Revised: 06/23/2021] [Accepted: 07/19/2021] [Indexed: 01/25/2023]
Abstract
Antioxidant defence mechanisms, such as the nuclear factor-erythroid 2-related-factor-2 (NRF2) axis, are integral to oxidative stress responses and ischemic injury. Hepatic antioxidant capacity is contingent on parenchymal quality, and there is a need to develop new insights into key molecular mechanisms in marginal liver allografts that might provide therapeutic targets. This study examines the clinical relevance of NRF2 in donor livers and its response to normothermic machine perfusion (NMP). Discarded donor livers (n = 40) were stratified into a high NRF2 and low NRF2 group by quantifying NRF2 expression. High NRF2 livers had significantly lower transaminase levels, hepatic vascular inflammation and peri-portal CD3+ T cell infiltration. Human liver allografts (n = 8) were then exposed to 6-h of NMP and high NRF2 livers had significantly reduced liver enzyme alterations and improved lactate clearance. To investigate these findings further, we used a rat fatty-liver model, treating livers with an NRF2 agonist during NMP. Treated livers had increased NRF2 expression and reduced transaminase derangements following NMP compared to vehicle control. These results support the association of elevated NRF2 expression with improved liver function. Targeting this axis could have a rationale in future studies and NRF2 agonists may represent a supplemental treatment strategy for rescuing marginal donor livers.
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Affiliation(s)
- Ola Ahmed
- Department of Surgery, Section of Abdominal Transplantation, Washington University School of Medicine, St. Louis, Missouri, USA.,School of Medicine, Trinity College Dublin, Dublin 2, Ireland
| | - Min Xu
- Department of Surgery, Section of Abdominal Transplantation, Washington University School of Medicine, St. Louis, Missouri, USA
| | - Fangyu Zhou
- Department of Surgery, Section of Abdominal Transplantation, Washington University School of Medicine, St. Louis, Missouri, USA
| | - Alexander N Wein
- Department of Pathology and Immunology, Washington University School of Medicine, St. Louis, Missouri, USA
| | - Gundumi A Upadhya
- Department of Surgery, Section of Abdominal Transplantation, Washington University School of Medicine, St. Louis, Missouri, USA
| | - Li Ye
- Department of Surgery, Section of Abdominal Transplantation, Washington University School of Medicine, St. Louis, Missouri, USA
| | - Brian W Wong
- Department of Surgery, Section of Abdominal Transplantation, Washington University School of Medicine, St. Louis, Missouri, USA
| | - Yiing Lin
- Department of Surgery, Section of Abdominal Transplantation, Washington University School of Medicine, St. Louis, Missouri, USA
| | - Cliona O'Farrelly
- School of Medicine, Trinity College Dublin, Dublin 2, Ireland.,School of Biochemistry & Immunology, Trinity College Dublin, Dublin 2, Ireland
| | - William C Chapman
- Department of Surgery, Section of Abdominal Transplantation, Washington University School of Medicine, St. Louis, Missouri, USA
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Luo Y, Ullah R, Wang J, Du Y, Huang S, Meng L, Gao Y, Gong M, Galaj E, Yin X, Shi H. Exogenous Carbon Monoxide Produces Rapid Antidepressant- and Anxiolytic-Like Effects. Front Pharmacol 2021; 12:757417. [PMID: 34867375 PMCID: PMC8637155 DOI: 10.3389/fphar.2021.757417] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2021] [Accepted: 10/26/2021] [Indexed: 12/25/2022] Open
Abstract
Carbon monoxide (CO), a byproduct of heme catalyzed by heme oxygenase (HO), has been reported to exert antioxidant and anti-inflammatory actions, and to produce significant neuroprotective effects. The potential effects of CO and even HO on depressive-like behaviors are still poorly understood. Utilizing several approaches including adeno-associated virus (AAV)-mediated overexpression of HO-1, systemic CO-releasing molecules (CO-RMs), CO-rich saline or CO gas treatment procedures in combination with hydrogen peroxide (H2O2)-induced PC12 cell injury model, and lipopolysaccharide (LPS)-induced depression mouse model, the present study aimed to investigate the potential antidepressant- and anxiolytic-like effects of endogenous and exogenous CO administration in vivo and in vitro. The results of in vitro experiments showed that both CO-RM-3 and CO-RM-A1 pretreatment blocked H2O2-induced cellular injuries by increasing cell survival and decreasing cell apoptosis and necrosis. Similar to the effects of CO-RM-3 and CO-RM-A1 pretreatment, AAV-mediated HO-1 overexpression in the dorsal hippocampus produced significant antidepressant-like activities in mice under normal conditions. Further investigation showed that the CO gas treatment significantly blocked LPS-induced depressive- and anxiety-like behaviors in mice. Taken together, our results suggest that the activation of HO-1 and/or exogenous CO administration produces protective effects and exerts antidepressant- and anxiolytic-like effects. These data uncover a novel function of the HO-1/CO system that appears to be a promising therapeutic target for the treatment of depression and anxiety.
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Affiliation(s)
- Yixiao Luo
- Key Laboratory of Molecular Epidemiology of Hunan Province, School of Medicine, Hunan Normal University, Changsha, China.,Neuroscience Research Center, Institute of Medical and Health Science of HeBMU, Hebei Medical University, Shijiazhuang, China
| | - Rafi Ullah
- Neuroscience Research Center, Institute of Medical and Health Science of HeBMU, Hebei Medical University, Shijiazhuang, China
| | - Jinfeng Wang
- Department of Obstetrics and Gynecology, The No.1 Hospital of Yongnian District Handan City, Handan, China
| | - Yuru Du
- Neuroscience Research Center, Institute of Medical and Health Science of HeBMU, Hebei Medical University, Shijiazhuang, China
| | - Shihao Huang
- Key Laboratory of Molecular Epidemiology of Hunan Province, School of Medicine, Hunan Normal University, Changsha, China
| | - Li Meng
- Neuroscience Research Center, Institute of Medical and Health Science of HeBMU, Hebei Medical University, Shijiazhuang, China
| | - Yuan Gao
- Neuroscience Research Center, Institute of Medical and Health Science of HeBMU, Hebei Medical University, Shijiazhuang, China.,Hebei Key Laboratory of Neurophysiology, Hebei Medical University, Shijiazhuang, China
| | - Miao Gong
- Neuroscience Research Center, Institute of Medical and Health Science of HeBMU, Hebei Medical University, Shijiazhuang, China
| | - Ewa Galaj
- Neuroscience Program, Department of Psychological and Brain Sciences, Colgate University, Hamilton, NY, United States
| | - Xi Yin
- Neuroscience Research Center, Institute of Medical and Health Science of HeBMU, Hebei Medical University, Shijiazhuang, China.,Department of Functional Region of Diagnosis, Fourth Hospital of Hebei Medical University, Shijiazhuang, China
| | - Haishui Shi
- Neuroscience Research Center, Institute of Medical and Health Science of HeBMU, Hebei Medical University, Shijiazhuang, China.,Hebei Key Laboratory of Neurophysiology, Hebei Medical University, Shijiazhuang, China
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Pan R, Yu S, Zhang H, Timmins GS, Weaver J, Yang Y, Zhou X, Liu KJ. Endogenous zinc protoporphyrin formation critically contributes to hemorrhagic stroke-induced brain damage. J Cereb Blood Flow Metab 2021; 41:3232-3247. [PMID: 34187233 PMCID: PMC8669275 DOI: 10.1177/0271678x211028475] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Hemorrhagic stroke is a leading cause of death. The causes of intracerebral hemorrhage (ICH)-induced brain damage are thought to include lysis of red blood cells, hemin release and iron overload. These mechanisms, however, have not proven very amenable to therapeutic intervention, and so other mechanistic targets are being sought. Here we report that accumulation of endogenously formed zinc protoporphyrin (ZnPP) also critically contributes to ICH-induced brain damage. ICH caused a significant accumulation of ZnPP in brain tissue surrounding hematoma, as evidenced by fluorescence microscopy of ZnPP, and further confirmed by fluorescence spectroscopy and supercritical fluid chromatography-mass spectrometry. ZnPP formation was dependent upon both ICH-induced hypoxia and an increase in free zinc accumulation. Notably, inhibiting ferrochelatase, which catalyzes insertion of zinc into protoporphyrin, greatly decreased ICH-induced endogenous ZnPP generation. Moreover, a significant decrease in brain damage was observed upon ferrochelatase inhibition, suggesting that endogenous ZnPP contributes to the damage in ICH. Our findings reveal a novel mechanism of ICH-induced brain damage through ferrochelatase-mediated formation of ZnPP in ICH tissue. Since ferrochelatase can be readily inhibited by small molecules, such as protein kinase inhibitors, this may provide a promising new and druggable target for ICH therapy.
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Affiliation(s)
- Rong Pan
- Department of Pharmaceutical Sciences, University of New Mexico Health Sciences Center, Albuquerque, USA
| | - Song Yu
- Department of Pharmaceutical Sciences, University of New Mexico Health Sciences Center, Albuquerque, USA
| | - Haikun Zhang
- Department of Pharmaceutical Sciences, University of New Mexico Health Sciences Center, Albuquerque, USA
| | - Graham S Timmins
- Department of Pharmaceutical Sciences, University of New Mexico Health Sciences Center, Albuquerque, USA
| | - John Weaver
- Department of Pharmaceutical Sciences, University of New Mexico Health Sciences Center, Albuquerque, USA
| | - Yirong Yang
- Department of Pharmaceutical Sciences, University of New Mexico Health Sciences Center, Albuquerque, USA
| | - Xixi Zhou
- Department of Pharmaceutical Sciences, University of New Mexico Health Sciences Center, Albuquerque, USA
| | - Ke Jian Liu
- Department of Pharmaceutical Sciences, University of New Mexico Health Sciences Center, Albuquerque, USA
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30
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Dias-Pedroso D, Ramalho JS, Sardão VA, Jones JG, Romão CC, Oliveira PJ, Vieira HLA. Carbon Monoxide-Neuroglobin Axis Targeting Metabolism Against Inflammation in BV-2 Microglial Cells. Mol Neurobiol 2021; 59:916-931. [PMID: 34797521 DOI: 10.1007/s12035-021-02630-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2021] [Accepted: 10/29/2021] [Indexed: 01/06/2023]
Abstract
Microglia are the immune competent cell of the central nervous system (CNS), promoting brain homeostasis and regulating inflammatory response against infection and injury. Chronic or exacerbated neuroinflammation is a cause of damage in several brain pathologies. Endogenous carbon monoxide (CO), produced from the degradation of heme, is described as anti-apoptotic and anti-inflammatory in several contexts, including in the CNS. Neuroglobin (Ngb) is a haemoglobin-homologous protein, which upregulation triggers antioxidant defence and prevents neuronal apoptosis. Thus, we hypothesised a crosstalk between CO and Ngb, in particular, that the anti-neuroinflammatory role of CO in microglia depends on Ngb. A novel CO-releasing molecule (ALF826) based on molybdenum was used for delivering CO in microglial culture.BV-2 mouse microglial cell line was challenged with lipopolysaccharide (LPS) for triggering inflammation, and after 6 h ALF826 was added. CO exposure limited inflammation by decreasing inducible nitric oxide synthase (iNOS) expression and the production of nitric oxide (NO) and tumour necrosis factor-α (TNF-α), and by increasing interleukine-10 (IL-10) release. CO-induced Ngb upregulation correlated in time with CO's anti-inflammatory effect. Moreover, knocking down Ngb reversed the anti-inflammatory effect of CO, suggesting that dependents on Ngb expression. CO-induced Ngb upregulation was independent on ROS signalling, but partially dependent on the transcriptional factor SP1. Finally, microglial cell metabolism is also involved in the inflammatory response. In fact, LPS treatment decreased oxygen consumption in microglia, indicating a switch to glycolysis, which is associated with a proinflammatory. While CO treatment increased oxygen consumption, reverting LPS effect and indicating a metabolic shift into a more oxidative metabolism. Moreover, in the absence of Ngb, this phenotype was no longer observed, indicating Ngb is needed for CO's modulation of microglial metabolism. Finally, the metabolic shift induced by CO did not depend on alteration of mitochondrial population. In conclusion, neuroglobin emerges for the first time as a key player for CO signalling against exacerbated inflammation in microglia.
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Affiliation(s)
| | - José S Ramalho
- CEDOC, NOVA Medical School, Universidade Nova de Lisboa, Lisbon, Portugal
| | - Vilma A Sardão
- CNC-Center for Neuroscience and Cell Biology, CIBB - Centre for Innovative Biomedicine and Biotechnology, University of Coimbra, Coimbra, Portugal
| | - John G Jones
- CNC-Center for Neuroscience and Cell Biology, CIBB - Centre for Innovative Biomedicine and Biotechnology, University of Coimbra, Coimbra, Portugal
| | - Carlos C Romão
- Instituto de Tecnologia Química e Biológica António Xavier, Universidade Nova de Lisboa, Oeiras, Portugal
| | - Paulo J Oliveira
- CNC-Center for Neuroscience and Cell Biology, CIBB - Centre for Innovative Biomedicine and Biotechnology, University of Coimbra, Coimbra, Portugal
| | - Helena L A Vieira
- CEDOC, NOVA Medical School, Universidade Nova de Lisboa, Lisbon, Portugal. .,UCIBIO, Applied Molecular Biosciences Unit, Department of Chemistry, Faculdade de Ciências e Tecnologia, NOVA School of Science and Technology, Universidade Nova de Lisboa, Campus de Caparica, 2829-526, Caparica, Portugal. .,Associate Laboratory i4HB - Institute for Health and Bioeconomy, NOVA School of Science and Technology, Universidade Nova de Lisboa, Caparica, Portugal.
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Carbon Monoxide Modulation of Microglia-Neuron Communication: Anti-Neuroinflammatory and Neurotrophic Role. Mol Neurobiol 2021; 59:872-889. [PMID: 34796462 DOI: 10.1007/s12035-021-02643-z] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2021] [Accepted: 11/09/2021] [Indexed: 10/19/2022]
Abstract
Microglia, the 'resident immunocompetent cells' of the central nervous system (CNS), are key players in innate immunity, synaptic refinement and homeostasis. Dysfunctional microglia contribute heavily to creating a toxic inflammatory milieu, a driving factor in the pathophysiology of several CNS disorders. Therefore, strategies to modulate the microglial function are required to tackle exacerbated tissue inflammation. Carbon monoxide (CO), an endogenous gaseous molecule produced by the degradation of haem, has anti-inflammatory, anti-apoptotic, and pro-homeostatic and cytoprotective roles, among others. ALF-826A, a novel molybdenum-based CO-releasing molecule, was used for the assessment of neuron-microglia remote communication. Primary cultures of rat microglia and neurons, or the BV-2 microglial and CAD neuronal murine cell lines, were used to study the microglia-neuron interaction. An approach based on microglial-derived conditioned media in neuronal culture was applied. Medium derived from CO-treated microglia provided indirect neuroprotection against inflammation by limiting the lipopolysaccharide (LPS)-induced expression of reactivity markers (CD11b), the production of reactive oxygen species (ROS) and the secretion of inflammatory factors (TNF-α, nitrites). This consequently prevented neuronal cell death and maintained neuronal morphology. In contrast, in the absence of inflammatory stimulus, conditioned media from CO-treated microglia improved neuronal morphological complexity, which is an indirect manner of assessing neuronal function. Likewise, the microglial medium also prevented neuronal cell death induced by pro-oxidant tert-Butyl hydroperoxide (t-BHP). ALF-826 treatment reinforced microglia secretion of Interleukin-10 (IL-10) and adenosine, mediators that may protect against t-BHP stress in this remote communication model. Chemical inhibition of the adenosine receptors A2A and A1 reverted the CO-derived neuroprotective effect, further highlighting a role for CO in regulating neuron-microglia communication via purinergic signalling. Our findings indicate that CO has a modulatory role on microglia-to-neuron communication, promoting neuroprotection in a non-cell autonomous manner. CO enhances the microglial release of neurotrophic factors and blocks exacerbated microglial inflammation. CO improvement of microglial neurotrophism under non-inflammatory conditions is here described for the first time.
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Cancer Chemopreventive Role of Dietary Terpenoids by Modulating Keap1-Nrf2-ARE Signaling System—A Comprehensive Update. APPLIED SCIENCES-BASEL 2021. [DOI: 10.3390/app112210806] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
ROS, RNS, and carcinogenic metabolites generate excessive oxidative stress, which changes the basal cellular status and leads to epigenetic modification, genomic instability, and initiation of cancer. Epigenetic modification may inhibit tumor-suppressor genes and activate oncogenes, enabling cells to have cancer promoting properties. The nuclear factor erythroid 2-related factor 2 (Nrf2) is a transcription factor that in humans is encoded by the NFE2L2 gene, and is activated in response to cellular stress. It can regulate redox homoeostasis by expressing several cytoprotective enzymes, including NADPH quinine oxidoreductase, heme oxygenase-1, UDP-glucuronosyltransferase, glutathione peroxidase, glutathione-S-transferase, etc. There is accumulating evidence supporting the idea that dietary nutraceuticals derived from commonly used fruits, vegetables, and spices have the ability to produce cancer chemopreventive activity by inducing Nrf2-mediated detoxifying enzymes. In this review, we discuss the importance of these nutraceuticals in cancer chemoprevention and summarize the role of dietary terpenoids in this respect. This approach was taken to accumulate the mechanistic function of these terpenoids to develop a comprehensive understanding of their direct and indirect roles in modulating the Keap1-Nrf2-ARE signaling system.
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Carbon Monoxide Therapy Using Hybrid Carbon Monoxide-Releasing/Nrf2-Inducing Molecules through a Neuroprotective Lens. CHEMISTRY 2021. [DOI: 10.3390/chemistry3030057] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023] Open
Abstract
Carbon monoxide (CO) has long been known for its toxicity. However, in recent decades, new applications for CO as a therapeutic compound have been proposed, and multiple forms of CO therapy have since been developed and studied. Previous research has found that CO has a role as a gasotransmitter and promotes anti-inflammatory and antioxidant effects, making it an avenue of interest for medicine. Such effects are possible because of the Nrf2/HO1 pathway, which has become a target for therapy development because its activation also leads to CO release. Currently, different forms of treatment involving CO include inhaled CO (iCO), carbon monoxide-releasing molecules (CORMs), and hybrid carbon monoxide-releasing molecules (HYCOs). In this article, we review the progression of CO studies to develop possible therapies, the possible mechanisms involved in the effects of CO, and the current forms of therapy using CO.
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Carbon Monoxide Releasing Molecule-3 Enhances Heme Oxygenase-1 Induction via ROS-Dependent FoxO1 and Nrf2 in Brain Astrocytes. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2021; 2021:5521196. [PMID: 34194603 PMCID: PMC8214505 DOI: 10.1155/2021/5521196] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/07/2021] [Revised: 05/12/2021] [Accepted: 05/24/2021] [Indexed: 12/14/2022]
Abstract
Carbon monoxide releasing molecule-3 (CORM-3) has been shown to protect inflammatory diseases via the upregulation of heme oxygenases-1 (HO-1). However, in rat brain astrocytes (RBA-1), the mechanisms underlying CORM-3-induced HO-1 remain poorly defined. This study used western blot, real-time PCR, and promoter activity assays to determine the levels of HO-1 expression and 2',7'-dichlorodihydrofluorescein diacetate (H2DCFDA) and dihydroethidium (DHE) to measure reactive oxygen species (ROS). We found that CORM-3-induced HO-1 expression was mediated through ROS generation by Nox or mitochondria. The signaling components were differentiated by pharmacological inhibitors and small interfering RNA (siRNA). Subcellular fractions, immunofluorescent staining, and chromatin immunoprecipitation assay were used to evaluate the nuclear translocation and promoter binding activity of Nrf2 induced by CORM-3. The roles of mTOR and FoxO1 in CORM-3-stimulated responses are still unknown in RBA-1 cells. Our results demonstrated that transfection with siRNAs or pretreatment with pharmacological inhibitors attenuated the levels of HO-1 and phosphorylation of signaling components including Akt, mTOR, FoxO1, and Nrf2 stimulated by CORM-3. Moreover, pretreatment with N-acetyl-L-cysteine, diphenyleneiodonium chloride, apocynin, or rotenone blocked nuclear translocation and promoter binding activity of Nrf2 induced by CORM-3. The present study concluded that in RBA-1 cells, CORM-3-induced HO-1 expression is, at least partially, mediated through Nox and mitochondria/ROS-dependent PI3K/Akt/mTOR cascade to activate FoxO1 or ROS leading to activation of Nrf2 activity.
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Ohsawa I. Biological Responses to Hydrogen Molecule and its Preventive Effects on Inflammatory Diseases. Curr Pharm Des 2021; 27:659-666. [PMID: 32981496 DOI: 10.2174/1381612826666200925123510] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2020] [Accepted: 08/09/2020] [Indexed: 11/22/2022]
Abstract
Because multicellular organisms do not have hydrogenase, H2 has been considered to be biologically inactive in these species, and enterobacteria to be largely responsible for the oxidation of H2 taken into the body. However, we showed previously that inhalation of H2 markedly suppresses brain injury induced by focal ischemia-reperfusion by buffering oxidative stress. Although the reaction constant of H2 with hydroxyl radical in aqueous solution is two to three orders of magnitude lower than that of conventional antioxidants, we showed that hydroxyl radical generated by the Fenton reaction reacts with H2 at room temperature without a catalyst. Suppression of hydroxyl radical by H2 has been applied in ophthalmic surgery. However, many of the anti- inflammatory and other therapeutic effects of H2 cannot be completely explained by its ability to scavenge reactive oxygen species. H2 administration is protective in several disease models, and preculture in the presence of H2 suppresses oxidative stress-induced cell death. Specifically, H2 administration induces mitochondrial oxidative stress and activates Nrf2; this phenomenon, in which mild mitochondrial stress leaves the cell less susceptible to subsequent perturbations, is called mitohormesis. Based on these findings, we conclude that crosstalk between antioxidative stress pathways and the anti-inflammatory response is the most important molecular mechanism involved in the protective function of H2, and that regulation of the immune system underlies H2 efficacy. For further medical applications of H2, it will be necessary to identify the biomolecule on which H2 first acts.
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Affiliation(s)
- Ikuroh Ohsawa
- Biological Process of Aging, Tokyo Metropolitan Institute of Gerontology, Tokyo, Japan
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Macrophage metabolic adaptation to heme detoxification involves CO-dependent activation of the pentose phosphate pathway. Blood 2021; 136:1535-1548. [PMID: 32556090 DOI: 10.1182/blood.2020004964] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2020] [Accepted: 05/08/2020] [Indexed: 02/07/2023] Open
Abstract
Heme is an essential cofactor for numerous cellular functions, but release of free heme during hemolysis results in oxidative tissue damage, vascular dysfunction, and inflammation. Macrophages play a key protective role in heme clearance; however, the mechanisms that regulate metabolic adaptations that are required for effective heme degradation remain unclear. Here we demonstrate that heme loading drives a unique bioenergetic switch in macrophages, which involves a metabolic shift from oxidative phosphorylation toward glucose consumption. Metabolomic and transcriptional analysis of heme-loaded macrophages revealed that glucose is funneled into the pentose phosphate pathway (PPP), which is indispensable for efficient heme detoxification and is required to maintain redox homeostasis. We demonstrate that the metabolic shift to the PPP is controlled by heme oxygenase-dependent generation of carbon monoxide (CO). Finally, we show that PPP upregulation occurs in vivo in organ systems central to heme clearance and that PPP activity correlates with heme levels in mouse sickle cell disease (SCD). Together, our findings demonstrate that metabolic adaptation to heme detoxification in macrophages requires a shift to the PPP that is induced by heme-derived CO, suggesting pharmacologic targeting of macrophage metabolism as a novel therapeutic strategy to improve heme clearance in patients with hemolytic disorders.
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Xiong M, Feng X, Tang L, Li C, Yu L. Butylphthalide enhances recovery from sudden deafness. Am J Otolaryngol 2021; 42:102891. [PMID: 33422947 DOI: 10.1016/j.amjoto.2020.102891] [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: 12/01/2020] [Accepted: 12/27/2020] [Indexed: 10/22/2022]
Abstract
OBJECTIVES Cochlear microcirculation disturbance caused by vasculopathy is a common cause of sudden deafness (SD). Reactive oxygen species (ROS) plays an important role in cochlear injury during ischemia-reperfusion. Butylphthalide can improve microcirculation, reduce ROS formation and inhibit apoptosis. The aim of this study was to investigate the therapeutic effect of butylphthalide on patients with SD. PATIENTS AND METHODS The hearing gains from 32 ears treated with butylphthalide were compared with that of 32 ears treated with non-butylphthalide. Butylphthalide capsules was administrated orally on an empty stomach for 10 continuous days. There were no significant differences in audiological and clinical data between butylphthalide and non-butylphthalide groups. RESULTS The hearing gain of butylphthalide group at 500, 1000, 2000, and 4000 Hz was significantly higher than that of non-butylphthalide group correspondingly (P<0.01). And, the hearing gain at PTA (pure-tone average of 500, 1000, 2000, and 4000 Hz) in butylphthalide group was significantly higher than that of non-butylphthalide group (P<0.01). CONCLUSION The recovery of hearing in butylphthalide group was significantly better than that of non-butylphthalide group. It is confirmed that butylphthalide has a definite therapeutic effect on SD.
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Fu K, Chen M, Zheng H, Li C, Yang F, Niu Q. Pelargonidin ameliorates MCAO-induced cerebral ischemia/reperfusion injury in rats by the action on the Nrf2/HO-1 pathway. Transl Neurosci 2021; 12:20-31. [PMID: 33552591 PMCID: PMC7821419 DOI: 10.1515/tnsci-2021-0006] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2020] [Revised: 12/17/2020] [Accepted: 12/17/2020] [Indexed: 12/14/2022] Open
Abstract
BACKGROUND Morbidity and mortality remain high for ischemic stroke victims, and at present these patients lack effective neuroprotective agents, which improve the cure rate. In recent years, studies have shown that pelargonidin has many biological actions. However, few studies are available regarding the pelargonidin treatment of cerebral ischemia. METHODS The rat middle cerebral artery occlusion (MCAO) model was established to investigate the neuroprotective effect of pelargonidin on cerebral ischemia/reperfusion injury. Reperfusion was performed 2 h after ischemia; magnetic resonance imaging (MRI) and 2, 3, 5-triphenyltetrazolium chloride (TTC) staining were used to measure the volume of cerebral ischemia. Both modified neurological severity scores (mNSSs) and Morris water maze test were used to assess the neurological functions. ELISA was applied to determine the levels of TNF-α, TGF-β, IL-6, IL-10, MDA, and SOD. The expression of Nuclear factor-E2-related factor 2 (Nrf2) and heme oxygenase 1 (HO-1) protein in brain tissue was measured by immunofluorescence and Western blot assays. RESULTS The results showed that pelargonidin could effectively reduce the volume of cerebral ischemia and improve the neurological function in MCAO rats, thereby improving memory and learning ability. With the corresponding decreases in the expression of TNF-α, TGF-β, IL-6, and MDA, the level of IL-10 and SOD increased and also promoted the nuclear metastasis of Nrf2 and the expression of HO-1 in ischemic brain tissues. CONCLUSIONS Our data demonstrated that pelargonidin ameliorated neurological function deficits in MCAO rats, and its potential mechanism of action was associated with overexpression of the Nrf2/HO-1-signaling pathway. This study will provide a new approach to treat cerebral ischemia/reperfusion injury.
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Affiliation(s)
- Kong Fu
- Department of Radiology, The Second Affiliated Hospital, Hainan Medical University, Haikou, 570311, China
| | - Miancong Chen
- Department of Critical Care Medicine, The First Affiliated Hospital of Hainan Medical University, Haikou, 570102, China
| | - Hua Zheng
- Department of Radiology, The Second Affiliated Hospital, Hainan Medical University, Haikou, 570311, China
| | - Chuanzi Li
- Department of Radiology, The Second Affiliated Hospital, Hainan Medical University, Haikou, 570311, China
| | - Fan Yang
- Office of Acupuncture Clinical, College of Traditional Chinese Medicine, Hainan Medical University, No. 3, Xueyuan Road, Longhua District, Haikou, 571199, China
| | - Qian Niu
- Office of Acupuncture Clinical, College of Traditional Chinese Medicine, Hainan Medical University, No. 3, Xueyuan Road, Longhua District, Haikou, 571199, China
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Dunn LL, Kong SMY, Tumanov S, Chen W, Cantley J, Ayer A, Maghzal GJ, Midwinter RG, Chan KH, Ng MKC, Stocker R. Hmox1 (Heme Oxygenase-1) Protects Against Ischemia-Mediated Injury via Stabilization of HIF-1α (Hypoxia-Inducible Factor-1α). Arterioscler Thromb Vasc Biol 2021; 41:317-330. [PMID: 33207934 DOI: 10.1161/atvbaha.120.315393] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
OBJECTIVE Hmox1 (heme oxygenase-1) is a stress-induced enzyme that catalyzes the degradation of heme to carbon monoxide, iron, and biliverdin. Induction of Hmox1 and its products protect against cardiovascular disease, including ischemic injury. Hmox1 is also a downstream target of the transcription factor HIF-1α (hypoxia-inducible factor-1α), a key regulator of the body's response to hypoxia. However, the mechanisms by which Hmox1 confers protection against ischemia-mediated injury remain to be fully understood. Approach and Results: Hmox1 deficient (Hmox1-/-) mice had impaired blood flow recovery with severe tissue necrosis and autoamputation following unilateral hindlimb ischemia. Autoamputation preceded the return of blood flow, and bone marrow transfer from littermate wild-type mice failed to prevent tissue injury and autoamputation. In wild-type mice, ischemia-induced expression of Hmox1 in skeletal muscle occurred before stabilization of HIF-1α. Moreover, HIF-1α stabilization and glucose utilization were impaired in Hmox1-/- mice compared with wild-type mice. Experiments exposing dermal fibroblasts to hypoxia (1% O2) recapitulated these key findings. Metabolomics analyses indicated a failure of Hmox1-/- mice to adapt cellular energy reprogramming in response to ischemia. Prolyl-4-hydroxylase inhibition stabilized HIF-1α in Hmox1-/- fibroblasts and ischemic skeletal muscle, decreased tissue necrosis and autoamputation, and restored cellular metabolism to that of wild-type mice. Mechanistic studies showed that carbon monoxide stabilized HIF-1α in Hmox1-/- fibroblasts in response to hypoxia. CONCLUSIONS Our findings suggest that Hmox1 acts both downstream and upstream of HIF-1α, and that stabilization of HIF-1α contributes to Hmox1's protection against ischemic injury independent of neovascularization.
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Affiliation(s)
- Louise L Dunn
- The Victor Chang Cardiac Research Institute, Darlinghurst, NSW, Australia (L.L.D., S.M.Y.K., S.T., W.C., A.A., G.J.M., R.S.)
- St Vincent's Clinical School, University of New South Wales, Sydney, Australia (L.L.D., W.C., A.A., G.J.M., R.S.)
| | - Stephanie M Y Kong
- The Victor Chang Cardiac Research Institute, Darlinghurst, NSW, Australia (L.L.D., S.M.Y.K., S.T., W.C., A.A., G.J.M., R.S.)
| | - Sergey Tumanov
- The Victor Chang Cardiac Research Institute, Darlinghurst, NSW, Australia (L.L.D., S.M.Y.K., S.T., W.C., A.A., G.J.M., R.S.)
- Heart Research Institute, Newtown, NSW, Australia (S.T., W.C., A.A., K.H.C., M.K.C.N., R.S.)
| | - Weiyu Chen
- The Victor Chang Cardiac Research Institute, Darlinghurst, NSW, Australia (L.L.D., S.M.Y.K., S.T., W.C., A.A., G.J.M., R.S.)
- St Vincent's Clinical School, University of New South Wales, Sydney, Australia (L.L.D., W.C., A.A., G.J.M., R.S.)
- Heart Research Institute, Newtown, NSW, Australia (S.T., W.C., A.A., K.H.C., M.K.C.N., R.S.)
| | | | - Anita Ayer
- The Victor Chang Cardiac Research Institute, Darlinghurst, NSW, Australia (L.L.D., S.M.Y.K., S.T., W.C., A.A., G.J.M., R.S.)
- St Vincent's Clinical School, University of New South Wales, Sydney, Australia (L.L.D., W.C., A.A., G.J.M., R.S.)
- Heart Research Institute, Newtown, NSW, Australia (S.T., W.C., A.A., K.H.C., M.K.C.N., R.S.)
| | - Ghassan J Maghzal
- The Victor Chang Cardiac Research Institute, Darlinghurst, NSW, Australia (L.L.D., S.M.Y.K., S.T., W.C., A.A., G.J.M., R.S.)
- St Vincent's Clinical School, University of New South Wales, Sydney, Australia (L.L.D., W.C., A.A., G.J.M., R.S.)
| | - Robyn G Midwinter
- St Vincent's Clinical School, University of New South Wales, Sydney, Australia (L.L.D., W.C., A.A., G.J.M., R.S.)
- Centre for Vascular Research, School of Medical Sciences (Pathology), and Bosch Institute, Sydney Medical School, The University of Sydney, Australia (R.G.M., R.S.)
| | - Kim H Chan
- Heart Research Institute, Newtown, NSW, Australia (S.T., W.C., A.A., K.H.C., M.K.C.N., R.S.)
- Royal Prince Alfred Hospital, Camperdown, NSW, Australia (K.H.C., M.K.C.N.)
| | - Martin K C Ng
- Heart Research Institute, Newtown, NSW, Australia (S.T., W.C., A.A., K.H.C., M.K.C.N., R.S.)
- Royal Prince Alfred Hospital, Camperdown, NSW, Australia (K.H.C., M.K.C.N.)
| | - Roland Stocker
- The Victor Chang Cardiac Research Institute, Darlinghurst, NSW, Australia (L.L.D., S.M.Y.K., S.T., W.C., A.A., G.J.M., R.S.)
- Heart Research Institute, Newtown, NSW, Australia (S.T., W.C., A.A., K.H.C., M.K.C.N., R.S.)
- Centre for Vascular Research, School of Medical Sciences (Pathology), and Bosch Institute, Sydney Medical School, The University of Sydney, Australia (R.G.M., R.S.)
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Jiang Y, Zhang K, Yu Y, Wang Y, Lian N, Xie K, Yu Y. Molecular hydrogen alleviates brain injury and cognitive impairment in a chronic sequelae model of murine polymicrobial sepsis. Exp Brain Res 2020; 238:2897-2908. [PMID: 33052428 DOI: 10.1007/s00221-020-05950-4] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2020] [Accepted: 10/06/2020] [Indexed: 01/13/2023]
Abstract
Sepsis-related encephalopathy (SAE), which causes a series of brain injuries and long-term, potentially irreversible cognitive dysfunction, is closely associated with increased morbidity and mortality. Hydrogen (H2) is a new type of medical gas molecule that has been widely used in the treatment of various diseases in recent years. The aim of the present study was to explore the protective effects of H2 inhalation on brain injury and long-term cognitive impairment in an improved chronic septic mouse model. Male C57BL/6J mice were randomized into four groups: Control, Control + H2, SAE and SAE + H2. The SAE and Control models were established by intraperitoneal injection of human stool suspension or saline in mice. H2 (2%) was inhaled for 60 min at 1 h and 6 h after SAE or Control treatment. The survival rates were recorded for 14 days (days 1-14) and the Morris Water Maze was performed for 7 days (days 8-14). To assess the severity of the brain injury, hematoxylin and eosin staining, Nissl staining, Evans blue (EB) extravasation and the wet/dry weight ratio of brain tissue were detected 24 h after SAE or Control treatment. In addition, inflammatory cytokines, such as tumor necrosis factor (TNF)-α, interleukin 6 (IL-6), high-mobility group box 1 (HMGB1), as well as the protein levels of nuclear factor-erythroid 2-related factor 2 (Nrf2), heme oxygenase-1 (HO-1), zonula occludens-1 (ZO-1) and Occludin, were measured 6, 12 and 24 h after SAE or Control treatment. The results showed that H2 treatment increased survival rates, mitigated cognitive impairment, reduced hippocampal histological damage, decreased EB and water content, and decreased the levels of TNF-α, IL-6, HMGB1, Nrf2, HO-1, ZO-1 and Occludin, as compared with the SAE group. These data revealed that 2% H2 could suppress brain damage and improve cognitive function in septic mice by inhibiting oxidative stress, inflammatory response and the sepsis-induced blood-brain barrier (BBB) disruption.
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Affiliation(s)
- Yi Jiang
- Department of Anesthesiology, Tianjin Medical University General Hospital, No. 154 Anshan Road, Tianjin, 300052, People's Republic of China
- Tianjin Institute of Anesthesiology, Tianjin, 300052, People's Republic of China
| | - Kai Zhang
- Department of Anesthesiology, Tianjin Medical University General Hospital, No. 154 Anshan Road, Tianjin, 300052, People's Republic of China
- Tianjin Institute of Anesthesiology, Tianjin, 300052, People's Republic of China
| | - Yang Yu
- Department of Anesthesiology, Tianjin Medical University General Hospital, No. 154 Anshan Road, Tianjin, 300052, People's Republic of China.
- Tianjin Institute of Anesthesiology, Tianjin, 300052, People's Republic of China.
| | - Yaoqi Wang
- Department of Anesthesiology, Tianjin Medical University General Hospital, No. 154 Anshan Road, Tianjin, 300052, People's Republic of China
- Tianjin Institute of Anesthesiology, Tianjin, 300052, People's Republic of China
| | - Naqi Lian
- Department of Anesthesiology, Tianjin Medical University General Hospital, No. 154 Anshan Road, Tianjin, 300052, People's Republic of China
- Tianjin Institute of Anesthesiology, Tianjin, 300052, People's Republic of China
| | - Keliang Xie
- Department of Anesthesiology, Tianjin Medical University General Hospital, No. 154 Anshan Road, Tianjin, 300052, People's Republic of China
- Tianjin Institute of Anesthesiology, Tianjin, 300052, People's Republic of China
| | - Yonghao Yu
- Department of Anesthesiology, Tianjin Medical University General Hospital, No. 154 Anshan Road, Tianjin, 300052, People's Republic of China.
- Tianjin Institute of Anesthesiology, Tianjin, 300052, People's Republic of China.
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Beck KF, Pfeilschifter J. Gasotransmitter synthesis and signalling in the renal glomerulus. Implications for glomerular diseases. Cell Signal 2020; 77:109823. [PMID: 33152441 DOI: 10.1016/j.cellsig.2020.109823] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2020] [Revised: 10/28/2020] [Accepted: 10/29/2020] [Indexed: 01/19/2023]
Abstract
Glomerular injury is a hallmark of kidney diseases such as diabetic nephropathy, IgA nephropathy or other forms of glomerulonephritis. Glomerular endothelial cells, mesangial cells, glomerular epithelial cells (podocytes) and, in an inflammatory context, infiltrating immune cells crosstalk to mediate signalling processes in the glomerulus. Under physiological conditions, mesangial cells act by the control of extracellular matrix production and degradation, by the synthesis of growth factors and by preserving a well-defined crosstalk with glomerular podocytes and endothelial cells to regulate glomerular structure and function. It is well known that mesangial cells are able to amplify an inflammatory process by the formation of cytokines, reactive oxygen species (ROS) and nitric oxide (NO). This exaggerated reaction may result in a vicious cycle with subsequent damage of neighboured podocytes and endothelial cells, loss of the filtration barrier and, finally destruction of the whole glomerulus. Unfortunately, all efforts to develop new therapies for the treatment of glomerular diseases by controlling unbridled ROS or NO production directly had so far no success. However, on-going research on ROS and NO defined these autacoids more as important signalling molecules than as endogenously produced cytotoxic compounds. New findings on signalling activities of ROS, NO but also hydrogen sulfide (H2S) and carbon monoxide (CO) supported this paradigm shift. Because of their similar chemical properties and their similar signal transduction capacities, NO, H2S and CO are meanwhile designated as the group of gasotransmitters. In this review, we describe the current knowledge of the signalling properties of gasotransmitters with a focus on glomerular cells and their role in glomerular diseases.
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Affiliation(s)
- Karl-Friedrich Beck
- pharmazentrum frankfurt/ZAFES, Universitätsklinikum Frankfurt, Goethe-Universität, Frankfurt am Main, Germany.
| | - Josef Pfeilschifter
- pharmazentrum frankfurt/ZAFES, Universitätsklinikum Frankfurt, Goethe-Universität, Frankfurt am Main, Germany
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Hariharan P, Chavan V, Nadkarni A. Significance of heme oxygenase-1(HMOX1) gene on fetal hemoglobin induction in sickle cell anemia patients. Sci Rep 2020; 10:18506. [PMID: 33116199 PMCID: PMC7595119 DOI: 10.1038/s41598-020-75555-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2020] [Accepted: 09/22/2020] [Indexed: 11/09/2022] Open
Abstract
Though the patients with sickle cell anemia (SCA) inherit same genetic mutation, they show considerable phenotypic heterogeneity. It has been observed that patients with elevated fetal hemoglobin (HbF) levels have a relatively mild clinical course. There is sparse literature on the association of higher HbF levels leading to reduction in the oxidative stress in SCA patients. Hence in this study, the significance between the HMOX1 gene polymorphisms and the HbF levels has been studied. Preliminary screening was carried out. Genotyping of 3 variants in the HMOX1 gene was performed in 90 SCA patients and 50 healthy controls by PCR–RFLP, GeneScan and direct DNA sequencing. It was observed that SCA patients with higher HbF levels, showed improved hematological indices with an inverse effect on HbS levels. The TT genotype of rs2071746 (A→T) polymorphism was found to be associated with elevated HbF levels (P: 0.012). Also, the long form (> 25 GT repeats) of rs3074372 (GT)n repeats was found to be linked with increased HbF levels. We could not find any association of rs2071749 (A→G) polymorphism with the HbF levels. As, the sickle cell anemia patients show significant oxidative stress due to hemolysis, the study of polymorphisms in the HMOX1 gene may act as a potential independent marker for elevated HbF levels.
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Affiliation(s)
- Priya Hariharan
- Department of Haematogenetics, ICMR-National Institute of Immunohaematology, 13th floor NMS Building, KEM Hospital Campus, Parel, Mumbai, 400012, Maharashtra, India
| | - Vrushali Chavan
- Department of Haematogenetics, ICMR-National Institute of Immunohaematology, 13th floor NMS Building, KEM Hospital Campus, Parel, Mumbai, 400012, Maharashtra, India
| | - Anita Nadkarni
- Department of Haematogenetics, ICMR-National Institute of Immunohaematology, 13th floor NMS Building, KEM Hospital Campus, Parel, Mumbai, 400012, Maharashtra, India.
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Alshami A, Einav S, Skrifvars MB, Varon J. Administration of inhaled noble and other gases after cardiopulmonary resuscitation: A systematic review. Am J Emerg Med 2020; 38:2179-2184. [PMID: 33071073 DOI: 10.1016/j.ajem.2020.06.066] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2020] [Revised: 06/18/2020] [Accepted: 06/20/2020] [Indexed: 11/17/2022] Open
Abstract
OBJECTIVE Inhalation of noble and other gases after cardiac arrest (CA) might improve neurological and cardiac outcomes. This article discusses up-to-date information on this novel therapeutic intervention. DATA SOURCES CENTRAL, MEDLINE, online published abstracts from conference proceedings, clinical trial registry clinicaltrials.gov, and reference lists of relevant papers were systematically searched from January 1960 till March 2019. STUDY SELECTION Preclinical and clinical studies, irrespective of their types or described outcomes, were included. DATA EXTRACTION Abstract screening, study selection, and data extraction were performed by two independent authors. Due to the paucity of human trials, risk of bias assessment was not performed DATA SYNTHESIS: After screening 281 interventional studies, we included an overall of 27. Only, xenon, helium, hydrogen, and nitric oxide have been or are being studied on humans. Xenon, nitric oxide, and hydrogen show both neuroprotective and cardiotonic features, while argon and hydrogen sulfide seem neuroprotective, but not cardiotonic. Most gases have elicited neurohistological protection in preclinical studies; however, only hydrogen and hydrogen sulfide appeared to preserve CA1 sector of hippocampus, the most vulnerable area in the brain for hypoxia. CONCLUSION Inhalation of certain gases after CPR appears promising in mitigating neurological and cardiac damage and may become the next successful neuroprotective and cardiotonic interventions.
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Affiliation(s)
- Abbas Alshami
- Jersey Shore University Medical Center, Neptune, NJ, USA; Dorrington Medical Associates, PA, Houston, TX, USA
| | - Sharon Einav
- Intensive Care Unit of the Share Zedek Medical Center and Faculty of Medicine of the Hebrew University, Jerusalem, Israel
| | - Markus B Skrifvars
- Department of Emergency Care and Services, Helsinki University Hospital and University of Helsinki, Helsinki, Finland
| | - Joseph Varon
- The University of Texas Health Science Center at Houston, USA; University of Texas Medical Branch at Galveston, USA; United Memorial Medical Center/United General Hospital, Houston, TX, USA.
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Bao K, Chen TL, Zhang S, Huang ZZ, Huang YF, Huang ZH, Zhu YY, Wu QN, Duan JA, Zhang ZZ, Wu CJ, Ding QQ. A succinyl isoflavone identified in natto promotes anti-ischemic effects in the middle cerebral artery occlusion rats. J Funct Foods 2020. [DOI: 10.1016/j.jff.2020.104104] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022] Open
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Hao Y, Xin M, Feng L, Wang X, Wang X, Ma D, Feng J. Review Cerebral Ischemic Tolerance and Preconditioning: Methods, Mechanisms, Clinical Applications, and Challenges. Front Neurol 2020; 11:812. [PMID: 33071923 PMCID: PMC7530891 DOI: 10.3389/fneur.2020.00812] [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: 03/15/2020] [Accepted: 06/29/2020] [Indexed: 12/13/2022] Open
Abstract
Stroke is one of the leading causes of morbidity and mortality worldwide, and it is increasing in prevalence. The limited therapeutic window and potential severe side effects prevent the widespread clinical application of the venous injection of thrombolytic tissue plasminogen activator and thrombectomy, which are regarded as the only approved treatments for acute ischemic stroke. Triggered by various types of mild stressors or stimuli, ischemic preconditioning (IPreC) induces adaptive endogenous tolerance to ischemia/reperfusion (I/R) injury by activating a multitude cascade of biomolecules, for example, proteins, enzymes, receptors, transcription factors, and others, which eventually lead to transcriptional regulation and epigenetic and genomic reprogramming. During the past 30 years, IPreC has been widely studied to confirm its neuroprotection against subsequent I/R injury, mainly including local ischemic preconditioning (LIPreC), remote ischemic preconditioning (RIPreC), and cross preconditioning. Although LIPreC has a strong neuroprotective effect, the clinical application of IPreC for subsequent cerebral ischemia is difficult. There are two main reasons for the above result: Cerebral ischemia is unpredictable, and LIPreC is also capable of inducing unexpected injury with only minor differences to durations or intensity. RIPreC and pharmacological preconditioning, an easy-to-use and non-invasive therapy, can be performed in a variety of clinical settings and appear to be more suitable for the clinical management of ischemic stroke. Hoping to advance our understanding of IPreC, this review mainly focuses on recent advances in IPreC in stroke management, its challenges, and the potential study directions.
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Affiliation(s)
| | | | | | | | | | - Di Ma
- Department of Neurology and Neuroscience Center, The First Hospital of Jilin University, Changchun, China
| | - Jiachun Feng
- Department of Neurology and Neuroscience Center, The First Hospital of Jilin University, Changchun, China
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Park J, Kim J, Chen Y, Song HC, Chen Y, Zheng M, Surh YJ, Kim UH, Park JW, Joe Y, Chung HT. CO ameliorates cellular senescence and aging by modulating the miR-34a/Sirt1 pathway. Free Radic Res 2020; 54:848-858. [PMID: 32228197 DOI: 10.1080/10715762.2019.1710142] [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] [Indexed: 12/16/2022]
Abstract
Oxidative stress is recognised as a key factor that can lead to cellular senescence and aging. Carbon monoxide (CO) is produced by haemoxygenase-1 (HO-1), which exerts cytoprotective effects in aging-related diseases, whereas the effect of CO on cellular senescence and aging has not been elucidated. In the current study, we clearly demonstrated that CO delays the process of cellular senescence and aging through regulation of miR-34a and Sirt1 expression. CO reduced H2O2-induced premature senescence in human diploid fibroblast WI-38 cells measured with SA-β-Gal-staining. Furthermore, CO significantly decreased the expression of senescence-associated secretory phenotype (SASP), including TNF-α IL-6, and PAI-1 and increased the transcriptional levels of antioxidant genes, such as HO-1 and NQO1. Moreover, CO apparently enhanced the expression of Sirt1 through down-regulation of miR-34a. Next, to determine whether Sirt1 mediates the inhibitory effect of CO on cellular senescence, we pre-treated WI-38 cells with the Sirt1 inhibitor Ex527 and a miR-34a mimic followed by the administration of H2O2 and evaluated the expression of SASP and antioxidant genes as well as ROS production. According to our results, Sirt1 is crucial for the antiaging and antioxidant effects of CO. Finally, CO prolonged the lifespan of Caenorhabditis elegans and delayed high-fat diet-induced liver aging. Taken together, these findings demonstrate that CO reduces cellular senescence and liver aging through the regulation of miR-34a and Sirt1.
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Affiliation(s)
- Jeongmin Park
- Department of Biological Sciences, University of Ulsan, Ulsan, Republic of Korea
| | - Jin Kim
- Department of Biological Sciences, University of Ulsan, Ulsan, Republic of Korea
| | - Yingqing Chen
- National Creative Research Laboratory for Ca2+ Signaling Network, Chonbuk National University Medical School, Jeonju, Republic of Korea.,Department of Pharmacology, Dalian University Medical College, Dalian, China
| | - Hyun-Chul Song
- Department of Biological Sciences, University of Ulsan, Ulsan, Republic of Korea
| | - Yubing Chen
- Department of Biological Sciences, University of Ulsan, Ulsan, Republic of Korea
| | - Min Zheng
- Department of Neurology, Affliated Hospital of Yanbian University, Yanji, China
| | - Young-Joon Surh
- Tumor Microenvironment Global Core Research Center and Research Institute of Pharmaceutical Sciences, College of Pharmacy, Seoul National University, Seoul, Republic of Korea
| | - Uh-Hyun Kim
- National Creative Research Laboratory for Ca2+ Signaling Network, Chonbuk National University Medical School, Jeonju, Republic of Korea
| | - Jeong Woo Park
- Department of Biological Sciences, University of Ulsan, Ulsan, Republic of Korea
| | - Yeonsoo Joe
- Department of Biological Sciences, University of Ulsan, Ulsan, Republic of Korea
| | - Hun Taeg Chung
- Department of Biological Sciences, University of Ulsan, Ulsan, Republic of Korea
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47
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Liu L, Kelly MG, Yang XR, Fernandez TG, Wierzbicki EL, Skrobach A, Doré S. Nrf2 Deficiency Exacerbates Cognitive Impairment and Reactive Microgliosis in a Lipopolysaccharide-Induced Neuroinflammatory Mouse Model. Cell Mol Neurobiol 2020; 40:1185-1197. [PMID: 32170572 DOI: 10.1007/s10571-020-00807-4] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2019] [Accepted: 01/30/2020] [Indexed: 02/08/2023]
Abstract
The transcription factor Nrf2 is a central regulator of anti-inflammatory and antioxidant mechanisms that contribute to the development and progression of various neurological disorders. Although the direct and indirect Nrf2 regulatory roles on inflammation have been reviewed in recent years, the in vivo evidence of Nrf2 function on lipopolysaccharide (LPS)-induced cognitive decline and characteristic alterations of reactive microglia and astrocytes remains incomplete. During the 3-5 days after LPS or saline injection, 5-6-month-old wildtype (WT) and Nrf2-/- C57BL/6 mice were subjected to the novel object recognition task. Immunohistochemistry staining was employed for analyses of brain cells. The Nrf2-/- mice displayed exacerbated LPS-induced cognition impairment (28.1 ± 9.6% in the discrimination index of the novel object recognition task), enhanced hippocampal reactive microgliosis and astrogliosis, and an increased expression level of the water channel transmembrane protein aquaporin 4 when compared with WT controls. In addition, similar overt effects of Nrf2 deficiency on LPS-induced characteristic alterations of brain cells were observed in the cortex and striatum regions of mice. In summary, this transgenic loss-of-function study provides direct in vivo evidence that highlights the functional importance of Nrf2 activation in regulating LPS-induced cognitive alteration, glial responses, and aquaporin 4 expression. This finding provides a better understanding of the complex nature of Nrf2 signaling and neuroprotection.
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Affiliation(s)
- Lei Liu
- Department of Anesthesiology, Center for Translational Research in Neurodegenerative Disease and McKnight Brain Institute, University of Florida, 1275 Center Drive, Biomed Sci J493, Gainesville, FL, 32610, USA
| | - Marie G Kelly
- Department of Anesthesiology, Center for Translational Research in Neurodegenerative Disease and McKnight Brain Institute, University of Florida, 1275 Center Drive, Biomed Sci J493, Gainesville, FL, 32610, USA
| | - Xiao Rui Yang
- Department of Anesthesiology, Center for Translational Research in Neurodegenerative Disease and McKnight Brain Institute, University of Florida, 1275 Center Drive, Biomed Sci J493, Gainesville, FL, 32610, USA
| | - Tyler G Fernandez
- Department of Anesthesiology, Center for Translational Research in Neurodegenerative Disease and McKnight Brain Institute, University of Florida, 1275 Center Drive, Biomed Sci J493, Gainesville, FL, 32610, USA
| | - Erika L Wierzbicki
- Department of Anesthesiology, Center for Translational Research in Neurodegenerative Disease and McKnight Brain Institute, University of Florida, 1275 Center Drive, Biomed Sci J493, Gainesville, FL, 32610, USA
| | - Anna Skrobach
- Department of Anesthesiology, Center for Translational Research in Neurodegenerative Disease and McKnight Brain Institute, University of Florida, 1275 Center Drive, Biomed Sci J493, Gainesville, FL, 32610, USA
| | - Sylvain Doré
- Department of Anesthesiology, Center for Translational Research in Neurodegenerative Disease and McKnight Brain Institute, University of Florida, 1275 Center Drive, Biomed Sci J493, Gainesville, FL, 32610, USA. .,Departments of Neurology, Psychiatry, Pharmaceutics, and Neuroscience, University of Florida, Gainesville, FL, USA.
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48
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Qin C, Yan X, Jin H, Zhang R, He Y, Sun X, Zhang Y, Guo ZN, Yang Y. Effects of Remote Ischemic Conditioning on Cerebral Hemodynamics in Ischemic Stroke. Neuropsychiatr Dis Treat 2020; 16:283-299. [PMID: 32021218 PMCID: PMC6988382 DOI: 10.2147/ndt.s231944] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/21/2019] [Accepted: 12/16/2019] [Indexed: 12/15/2022] Open
Abstract
Ischemic stroke is one of the most common cerebrovascular diseases and is the leading cause of disability all over the world. It is well known that cerebral blood flow (CBF) is disturbed or even disrupted when ischemic stroke happens. The imbalance between demand and shortage of blood supply makes ischemic stroke take place or worsen. The search for treatments that can preserve CBF, especially during the acute phase of ischemic stroke, has become a research hotspot. Animal and clinical experiments have proven that remote ischemic conditioning (RIC) is a beneficial therapeutic strategy for the treatment of ischemic stroke. However, the mechanism by which RIC affects CBF has not been fully understood. This review aims to discuss several possible mechanisms of RIC on the cerebral hemodynamics in ischemic stroke, such as the improvement of cardiac function and collateral circulation of cerebral vessels, the protection of neurovascular units, the formation of gas molecules, the effect on the function of vascular endothelial cells and the nervous system. RIC has the potential to become a therapeutic treatment to improve CBF in ischemic stroke. Future studies are needed to highlight our understanding of RIC as well as accelerate its clinical translation.
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Affiliation(s)
- Chen Qin
- Department of Neurology, The First Hospital of Jilin University, Changchun 130021, People's Republic of China
| | - Xiuli Yan
- Department of Neurology, The First Hospital of Jilin University, Changchun 130021, People's Republic of China
| | - Hang Jin
- Department of Neurology, The First Hospital of Jilin University, Changchun 130021, People's Republic of China
| | - Ruyi Zhang
- Department of Cardiovascular Center, The First Hospital of Jilin University, Changchun 130021, People's Republic of China
| | - Yaode He
- Department of Neurology, The First Hospital of Jilin University, Changchun 130021, People's Republic of China
| | - Xin Sun
- Department of Neurology, The First Hospital of Jilin University, Changchun 130021, People's Republic of China
| | - Yihe Zhang
- Department of Neurology, The First Hospital of Jilin University, Changchun 130021, People's Republic of China
| | - Zhen-Ni Guo
- Department of Neurology, The First Hospital of Jilin University, Changchun 130021, People's Republic of China.,Clinical Trial and Research Center for Stroke, Department of Neurology, The First Hospital of Jilin University, Changchun 130021, People's Republic of China
| | - Yi Yang
- Department of Neurology, The First Hospital of Jilin University, Changchun 130021, People's Republic of China.,Clinical Trial and Research Center for Stroke, Department of Neurology, The First Hospital of Jilin University, Changchun 130021, People's Republic of China
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49
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Liu L, Vollmer MK, Kelly MG, Fernandez VM, Fernandez TG, Kim H, Doré S. Reactive Gliosis Contributes to Nrf2-Dependent Neuroprotection by Pretreatment with Dimethyl Fumarate or Korean Red Ginseng Against Hypoxic-Ischemia: Focus on Hippocampal Injury. Mol Neurobiol 2020; 57:105-117. [PMID: 31494826 PMCID: PMC6980429 DOI: 10.1007/s12035-019-01760-0] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2019] [Accepted: 08/29/2019] [Indexed: 01/01/2023]
Abstract
Recently, dimethyl fumarate (DMF) and Korean red ginseng (ginseng), based on their purported antioxidative and anti-inflammatory properties, have exhibited protective potential in various neurological conditions. Their effects on cerebral ischemia and underlying mechanisms remain inconclusive; however, increasing evidence indicates the involvement of the transcriptional factor Nrf2. This study evaluated the preventive effects of DMF and ginseng on hippocampal neuronal damage following hypoxia-ischemia (HI) and assessed the contributions of reactive gliosis and the Nrf2 pathway. Adult wild type (WT) and Nrf2-/- mice were pretreated with DMF or ginseng for 7 days prior to HI. At 24 h after HI, DMF or ginseng significantly reduced infarct volume (52.5 ± 12.3% and 47.8 ± 10.7%), brain edema (61.5 ± 17.4% and 39.3 ± 12.8%), and hippocampal CA1 neuronal degeneration, and induced expressions of Nrf2 target proteins in WT, but not Nrf2-/-, mice. Such hippocampal neuroprotective benefits were also observed at 6 h and 7 days after HI. The dynamic attenuation of reactive gliosis in microglia and astrocytes correlated well with this sustained neuroprotection in an Nrf2-dependent manner. In both early and late stages of HI, astrocytic dysfunctions in extracellular glutamate clearance and water transport, as indicated by glutamine synthetase and aquaporin 4, were also attenuated after HI in WT, but not Nrf2-/-, mice treated with DMF or ginseng. Together, DMF and ginseng confer robust and prolonged Nrf2-dependent neuroprotection against ischemic hippocampal damage. The salutary Nrf2-dependent attenuation of reactive gliosis may contribute to this neuroprotection, offering new insight into the cellular basis of an Nrf2-targeting strategy for stroke prevention or treatment.
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Affiliation(s)
- Lei Liu
- Department of Anesthesiology, Center for Translational Research in Neurodegenerative Disease and McKnight Brain Institute, University of Florida, 1275 Center Drive, Biomed Sci J493, Gainesville, FL, 32610, USA
| | - Mary K Vollmer
- Department of Anesthesiology, Center for Translational Research in Neurodegenerative Disease and McKnight Brain Institute, University of Florida, 1275 Center Drive, Biomed Sci J493, Gainesville, FL, 32610, USA
| | - Marie G Kelly
- Department of Anesthesiology, Center for Translational Research in Neurodegenerative Disease and McKnight Brain Institute, University of Florida, 1275 Center Drive, Biomed Sci J493, Gainesville, FL, 32610, USA
| | - Victoria M Fernandez
- Department of Anesthesiology, Center for Translational Research in Neurodegenerative Disease and McKnight Brain Institute, University of Florida, 1275 Center Drive, Biomed Sci J493, Gainesville, FL, 32610, USA
| | - Tyler G Fernandez
- Department of Anesthesiology, Center for Translational Research in Neurodegenerative Disease and McKnight Brain Institute, University of Florida, 1275 Center Drive, Biomed Sci J493, Gainesville, FL, 32610, USA
| | - Hocheol Kim
- Department of Herbal Pharmacology, College of Korean Medicine, Kyung Hee University, Seoul, 130-701, South Korea
| | - Sylvain Doré
- Department of Anesthesiology, Center for Translational Research in Neurodegenerative Disease and McKnight Brain Institute, University of Florida, 1275 Center Drive, Biomed Sci J493, Gainesville, FL, 32610, USA.
- Departments of Neurology, Psychiatry, Pharmaceutics, and Neuroscience, University of Florida, Gainesville, FL, 32610, USA.
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50
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Wang B, Huang C, Chen L, Xu D, Zheng G, Zhou Y, Wang X, Zhang X. The Emerging Roles of the Gaseous Signaling Molecules NO, H2S, and CO in the Regulation of Stem Cells. ACS Biomater Sci Eng 2019; 6:798-812. [PMID: 33464852 DOI: 10.1021/acsbiomaterials.9b01681] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Ben Wang
- Department of Orthopaedics, The Second Affiliated Hospital and Yuying Children’s Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325027, China
- Key Laboratory of Orthopaedics of Zhejiang Province, Wenzhou, Zhejiang 325027, China
- The Second School of Medicine, Wenzhou Medical University, Wenzhou, Zhejiang 325027, China
| | - Chongan Huang
- Department of Orthopaedics, The Second Affiliated Hospital and Yuying Children’s Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325027, China
- Key Laboratory of Orthopaedics of Zhejiang Province, Wenzhou, Zhejiang 325027, China
- The Second School of Medicine, Wenzhou Medical University, Wenzhou, Zhejiang 325027, China
| | - Lijie Chen
- Department of Surgical Oncology, Taizhou Hospital of Wenzhou Medical University, Taizhou, Zhejiang 317000, China
| | - Daoliang Xu
- Department of Orthopaedics, The Second Affiliated Hospital and Yuying Children’s Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325027, China
- Key Laboratory of Orthopaedics of Zhejiang Province, Wenzhou, Zhejiang 325027, China
- The Second School of Medicine, Wenzhou Medical University, Wenzhou, Zhejiang 325027, China
| | - Gang Zheng
- Department of Orthopaedics, The Second Affiliated Hospital and Yuying Children’s Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325027, China
- Key Laboratory of Orthopaedics of Zhejiang Province, Wenzhou, Zhejiang 325027, China
- The Second School of Medicine, Wenzhou Medical University, Wenzhou, Zhejiang 325027, China
| | - Yifei Zhou
- Department of Orthopaedics, The Second Affiliated Hospital and Yuying Children’s Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325027, China
- Key Laboratory of Orthopaedics of Zhejiang Province, Wenzhou, Zhejiang 325027, China
- The Second School of Medicine, Wenzhou Medical University, Wenzhou, Zhejiang 325027, China
| | - Xiangyang Wang
- Department of Orthopaedics, The Second Affiliated Hospital and Yuying Children’s Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325027, China
- Key Laboratory of Orthopaedics of Zhejiang Province, Wenzhou, Zhejiang 325027, China
- The Second School of Medicine, Wenzhou Medical University, Wenzhou, Zhejiang 325027, China
| | - Xiaolei Zhang
- Department of Orthopaedics, The Second Affiliated Hospital and Yuying Children’s Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325027, China
- Key Laboratory of Orthopaedics of Zhejiang Province, Wenzhou, Zhejiang 325027, China
- The Second School of Medicine, Wenzhou Medical University, Wenzhou, Zhejiang 325027, China
- Chinese Orthopaedic Regenerative Medicine Society, Hangzhou, Zhejiang, China
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