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Maleki MH, Vakili O, Tavakoli R, Nadimi E, Noori Z, Taghizadeh M, Dehghanian A, Tayebi L, Shafiee SM. Protective and curative effects of unconjugated bilirubin on gene expression of LOX-1 and iNOS in the heart of rats receiving high-fat diet and low dose streptozotocin: a histomorphometric approach. J Inflamm (Lond) 2024; 21:26. [PMID: 38982470 PMCID: PMC11234610 DOI: 10.1186/s12950-024-00397-8] [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: 11/16/2023] [Accepted: 06/10/2024] [Indexed: 07/11/2024] Open
Abstract
BACKGROUND Atherosclerosis is a chronic inflammatory condition affecting the large arteries and is a major cause of cardiovascular diseases (CVDs) globally. Increased levels of adhesion molecules in cardiac tissue serve as prognostic markers for coronary artery occlusion risk. Given the antioxidant properties of bilirubin and its inverse correlation with atherosclerosis, this study aimed to assess the beneficial effects of bilirubin on atherosclerotic indices and heart structure in high-fat diet-fed diabetic rats with atherosclerosis. METHODS Atherosclerosis was induced in three out of five groups of adult male Sprague Dawley rats through a 14-week period of high-fat diet (HFD) consumption and a single low dose of streptozotocin (STZ) (35 mg/kg). The atherosclerotic rats were then treated with intraperitoneal administration of 10 mg/kg/day bilirubin for either 6 or 14 weeks (treated and protected groups, respectively), or the vehicle. Two additional groups served as the control and bilirubin-treated rats. Subsequently, the mRNA expression levels of vascular cell adhesion molecule 1 (VCAM-1), intercellular adhesion molecule 1 (ICAM-1), lectin-like LDL receptor 1 (LOX-1), and the inducible nitric oxide synthase (iNOS) were analyzed using quantitative reverse transcriptase-polymerase chain reaction (qRT-PCR). Histopathological and stereological analyses were performed to assess changes in the heart structure. RESULTS Bilirubin significantly decreased the expression of VCAM-1, ICAM-1, LOX-1, and iNOS genes in the treated group. Moreover, bilirubin mitigated pathological damage in the left ventricle of the heart. Stereological analysis revealed a decrease in the left ventricle and myocardium volume, accompanied by an increase in vessel volume in rats treated with bilirubin. CONCLUSION These findings demonstrate that mild hyperbilirubinemia can protect against the progression of atherosclerosis and heart failure by improving lipid profile, modulating adhesion molecules, LOX-1, and iNOS gene expression levels.
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Affiliation(s)
- Mohammad Hasan Maleki
- Department of Clinical Biochemistry, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
- Department of Clinical Biochemistry, School of Pharmacy and Pharmaceutical Sciences, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Omid Vakili
- Autophagy Research Center, Department of Clinical Biochemistry, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Ramin Tavakoli
- Department of Clinical Biochemistry, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
- Student Research Committee, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Elham Nadimi
- Histomorphometry and Stereology Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Zahra Noori
- Department of Anatomical Sciences, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Motahareh Taghizadeh
- Department of Clinical Biochemistry, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Amirreza Dehghanian
- Trauma Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
- Molecular Pathology and Cytogenetics Division, Department of Pathology, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Lobat Tayebi
- Marquette University School of Dentistry, Milwaukee, WI, 53233, USA
| | - Sayed Mohammad Shafiee
- Autophagy Research Center, Department of Clinical Biochemistry, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran.
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Lee M, Jang M, Jo J, Yu B, Lee G, Lee J, Lee S, Jeon Y, Choi K. Hyperbilirubinemia as a Risk Factor for Mortality and Morbidity in Trauma Patients. J Clin Med 2023; 12:4203. [PMID: 37445238 DOI: 10.3390/jcm12134203] [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: 05/17/2023] [Revised: 06/12/2023] [Accepted: 06/20/2023] [Indexed: 07/15/2023] Open
Abstract
Hyperbilirubinemia is frequently reported in trauma patients. However, few studies have investigated the effects of hyperbilirubinemia on patients' clinical trajectories. This study aimed to evaluate the relationship between hyperbilirubinemia and patient outcomes following trauma. Our study included 387 patients who were admitted to the trauma bay with severe trauma between January 2017 and December 2021. We categorized patients into two groups based on their peak bilirubin levels: the low-bilirubin (LB) group, with levels below 3 mg/dL, and the high-bilirubin (HB) group, with levels above 3 mg/dL. We then compared the rates of complications and mortality between these two groups. The incidence of pneumonia (10.8% vs. 32.3%, p < 0.001), acute kidney injury (AKI) (2.8% vs. 19.2%, p < 0.001), sepsis (2.8% vs. 10.1%, p = 0.003), and wound infections (8.3% vs. 30.3%, p < 0.001) was significantly higher in the HB group. Additionally, the mortality rate was significantly higher (4.2% vs. 10.1%, p = 0.028) in the HB group. Multivariate analysis revealed that the higher the bilirubin level, the greater the risk of complications (pneumonia: odds ratio [OR] = 3.238; 95% confidence interval [CI] = 1.68-6.22; p < 0.001, AKI: OR = 4.718; 95% CI = 1.65-13.44; p = 0.004, sepsis: OR = 3.087; 95% CI = 1.00-9.52; p = 0.04, wound infection: OR = 3.995; 95% CI = 2.073-7.700; p < 0.001). In conclusion, hyperbilirubinemia was associated with poorer outcomes in trauma patients.
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Affiliation(s)
- Mina Lee
- Department of Traumatology, Gachon University, Incheon 21565, Republic of Korea
- Department of Trauma Surgery, Gachon University Gil Medical Center, Incheon 21556, Republic of Korea
| | - Myungjin Jang
- Department of Traumatology, Gachon University, Incheon 21565, Republic of Korea
| | - Jayun Jo
- Department of Traumatology, Gachon University, Incheon 21565, Republic of Korea
- Department of Trauma Surgery, Gachon University Gil Medical Center, Incheon 21556, Republic of Korea
| | - Byungchul Yu
- Department of Traumatology, Gachon University, Incheon 21565, Republic of Korea
- Department of Trauma Surgery, Gachon University Gil Medical Center, Incheon 21556, Republic of Korea
| | - Giljae Lee
- Department of Traumatology, Gachon University, Incheon 21565, Republic of Korea
- Department of Trauma Surgery, Gachon University Gil Medical Center, Incheon 21556, Republic of Korea
| | - Jungnam Lee
- Department of Traumatology, Gachon University, Incheon 21565, Republic of Korea
- Department of Trauma Surgery, Gachon University Gil Medical Center, Incheon 21556, Republic of Korea
| | - Seunghwan Lee
- Department of Traumatology, Gachon University, Incheon 21565, Republic of Korea
- Department of Trauma Surgery, Gachon University Gil Medical Center, Incheon 21556, Republic of Korea
| | - Yangbin Jeon
- Department of Traumatology, Gachon University, Incheon 21565, Republic of Korea
- Department of Trauma Surgery, Gachon University Gil Medical Center, Incheon 21556, Republic of Korea
| | - Kangkook Choi
- Department of Traumatology, Gachon University, Incheon 21565, Republic of Korea
- Department of Trauma Surgery, Gachon University Gil Medical Center, Incheon 21556, Republic of Korea
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Liu S, Dong L, Shi W, Zheng Z, Liu Z, Meng L, Xin Y, Jiang X. Potential targets and treatments affect oxidative stress in gliomas: An overview of molecular mechanisms. Front Pharmacol 2022; 13:921070. [PMID: 35935861 PMCID: PMC9355528 DOI: 10.3389/fphar.2022.921070] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2022] [Accepted: 07/04/2022] [Indexed: 11/30/2022] Open
Abstract
Oxidative stress refers to the imbalance between oxidation and antioxidant activity in the body. Oxygen is reduced by electrons as part of normal metabolism leading to the formation of various reactive oxygen species (ROS). ROS are the main cause of oxidative stress and can be assessed through direct detection. Oxidative stress is a double-edged phenomenon in that it has protective mechanisms that help to destroy bacteria and pathogens, however, increased ROS accumulation can lead to host cell apoptosis and damage. Glioma is one of the most common malignant tumors of the central nervous system and is characterized by changes in the redox state. Therapeutic regimens still encounter multiple obstacles and challenges. Glioma occurrence is related to increased free radical levels and decreased antioxidant defense responses. Oxidative stress is particularly important in the pathogenesis of gliomas, indicating that antioxidant therapy may be a means of treating tumors. This review evaluates oxidative stress and its effects on gliomas, describes the potential targets and therapeutic drugs in detail, and clarifies the effects of radiotherapy and chemotherapy on oxidative stress. These data may provide a reference for the development of precise therapeutic regimes of gliomas based on oxidative stress.
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Affiliation(s)
- Shiyu Liu
- Jilin Provincial Key Laboratory of Radiation Oncology and Therapy, The First Hospital of Jilin University, Changchun, China
- Department of Radiation Oncology, The First Hospital of Jilin University, Changchun, China
- NHC Key Laboratory of Radiobiology, School of Public Health, Jilin University, Changchun, China
| | - Lihua Dong
- Jilin Provincial Key Laboratory of Radiation Oncology and Therapy, The First Hospital of Jilin University, Changchun, China
- Department of Radiation Oncology, The First Hospital of Jilin University, Changchun, China
- NHC Key Laboratory of Radiobiology, School of Public Health, Jilin University, Changchun, China
| | - Weiyan Shi
- Jilin Provincial Key Laboratory of Radiation Oncology and Therapy, The First Hospital of Jilin University, Changchun, China
- Department of Radiation Oncology, The First Hospital of Jilin University, Changchun, China
- NHC Key Laboratory of Radiobiology, School of Public Health, Jilin University, Changchun, China
| | - Zhuangzhuang Zheng
- Jilin Provincial Key Laboratory of Radiation Oncology and Therapy, The First Hospital of Jilin University, Changchun, China
- Department of Radiation Oncology, The First Hospital of Jilin University, Changchun, China
- NHC Key Laboratory of Radiobiology, School of Public Health, Jilin University, Changchun, China
| | - Zijing Liu
- Jilin Provincial Key Laboratory of Radiation Oncology and Therapy, The First Hospital of Jilin University, Changchun, China
- Department of Radiation Oncology, The First Hospital of Jilin University, Changchun, China
- NHC Key Laboratory of Radiobiology, School of Public Health, Jilin University, Changchun, China
| | - Lingbin Meng
- Department of Hematology and Medical Oncology, Moffitt Cancer Center, Tampa, FL, United States
| | - Ying Xin
- Key Laboratory of Pathobiology, Ministry of Education, Jilin University, Changchun, China
- *Correspondence: Ying Xin, ; Xin Jiang,
| | - Xin Jiang
- Jilin Provincial Key Laboratory of Radiation Oncology and Therapy, The First Hospital of Jilin University, Changchun, China
- Department of Radiation Oncology, The First Hospital of Jilin University, Changchun, China
- NHC Key Laboratory of Radiobiology, School of Public Health, Jilin University, Changchun, China
- *Correspondence: Ying Xin, ; Xin Jiang,
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Ma Y, Li S, Tang S, Ye S, Liang N, Liang Y, Xiao F. Clusterin protects against Cr(VI)-induced oxidative stress-associated hepatotoxicity by mediating the Akt-Keap1-Nrf2 signaling pathway. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:52289-52301. [PMID: 35257348 DOI: 10.1007/s11356-022-19118-w] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/08/2021] [Accepted: 02/03/2022] [Indexed: 06/14/2023]
Abstract
Hexavalent chromium [Cr(VI)] is a serious environmental pollutant that threatens human life. Cr(VI) is widely used in industrial processes such as metallurgy, leather processing, and electroplating, which can enter the human body through the respiratory or digestive tracts, thus causing a number of human disease, including inflammation and cancer. Although it has been confirmed that oxidative stress is one of the primary mechanism of liver injury caused by Cr(VI) exposure, the related toxic target and effective intervention measures have not been found. Clusterin (CLU) is an acute phase response protein with cytoprotective and apoptosis-delaying effects, and its expression has been confirmed to increase significantly after exposure to Cr(VI). In this study, our data clearly indicates that Cr(VI) is capable of causing hepatocytes damage through the production of large amounts of reactive oxygen species (ROS), causing an increase in aspartate aminotransferase (AST) and alanine aminotransferase (ALT). In contrast, over expression of CLU was able to inhibit ROS production and alleviate Cr(VI)-induced liver injury. The specific mechanisms are that CLU acts on the protein kinase B (PKB/Akt)-Kelch-like ECH-associated protein 1 (Keap1)-nuclear factor E2-related factor 2 (Nrf2) signaling pathway to release Nrf2 into the nucleus. This is to initiate the expression of a downstream protein, heme oxygenase 1 (HO-1), thereby attenuating the ubiquitination ability of Keap1 with Nrf2. We also demonstrated that CLU could affect oxidative stress through the Akt/Nrf2 pathway, which reduced the production of ROS induced by Cr(VI) and protected against Cr(VI)-induced oxidative stress-associated hepatotoxicity. This study demonstrates a mechanism of Cr(VI)-induced hepatotoxicity and indicates that CLU as an intervention target of oxidative stress can provide valuable experimental basis for the prevention and treatment of occupational diseases in Cr(VI)-exposed population. Under the state of Cr(VI)-induced oxidative stress, CLU though phosphorylation Akt, leading to Nrf2 dissociation from Keap1. Activated Nrf2 entered the nucleus and formed the next step, thus binding to the structure of the antioxidant response element ARE, which activated HO-1, resulting in the decrease in intracellular ROS.
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Affiliation(s)
- Yu Ma
- Xiangya School of Public Health, Central South University, Kaifu District, NO.238 Shangmayuanling Road, Changsha, Hunan, 410078, People's Republic of China
| | - Siwen Li
- Xiangya School of Public Health, Central South University, Kaifu District, NO.238 Shangmayuanling Road, Changsha, Hunan, 410078, People's Republic of China
| | - Sixuan Tang
- Xiangya School of Public Health, Central South University, Kaifu District, NO.238 Shangmayuanling Road, Changsha, Hunan, 410078, People's Republic of China
| | - Shuzi Ye
- Xiangya School of Public Health, Central South University, Kaifu District, NO.238 Shangmayuanling Road, Changsha, Hunan, 410078, People's Republic of China
| | - Ningjuan Liang
- Xiangya School of Public Health, Central South University, Kaifu District, NO.238 Shangmayuanling Road, Changsha, Hunan, 410078, People's Republic of China
| | - Yuehui Liang
- Xiangya School of Public Health, Central South University, Kaifu District, NO.238 Shangmayuanling Road, Changsha, Hunan, 410078, People's Republic of China
| | - Fang Xiao
- Xiangya School of Public Health, Central South University, Kaifu District, NO.238 Shangmayuanling Road, Changsha, Hunan, 410078, People's Republic of China.
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Amorim CS, Moraes JA, Magdalena IDJ, López SG, Carneiro ACD, Nunes IKDC, Pizzatti L, Sardela VF, Aquino Neto FR, Mirotti LC, Pereira HMG, Renovato-Martins M. Extracellular Vesicles From Stored Red Blood Cells Convey Heme and Induce Spic Expression on Human Monocytes. Front Immunol 2022; 13:833286. [PMID: 35663938 PMCID: PMC9157768 DOI: 10.3389/fimmu.2022.833286] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2021] [Accepted: 04/20/2022] [Indexed: 11/23/2022] Open
Affiliation(s)
- Carolinne Souza Amorim
- Laboratório Brasileiro de Controle de Dopagem-Laboratório de Apoio ao Desenvolvimento Tecnológico (LBCD-LADETEC), Instituto de Química, Universidade Federal do Rio de Janeiro (UFRJ), Rio de Janeiro, Brazil.,Laboratório de Biologia Redox, Programa de Pesquisa em Farmacologia e Inflamação, Instituto de Ciências Biomédicas, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - João Alfredo Moraes
- Laboratório de Biologia Redox, Programa de Pesquisa em Farmacologia e Inflamação, Instituto de Ciências Biomédicas, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Ingrid de Jesus Magdalena
- Laboratório Brasileiro de Controle de Dopagem-Laboratório de Apoio ao Desenvolvimento Tecnológico (LBCD-LADETEC), Instituto de Química, Universidade Federal do Rio de Janeiro (UFRJ), Rio de Janeiro, Brazil
| | - Sheila Gutiérrez López
- Laboratório de Biologia Molecular e Proteômica do Sangue-Laboratório de Apoio ao Desenvolvimento Tecnológico (LABMOPS-LADETEC), Instituto de Química, Universidade Federal do Rio de Janeiro (UFRJ), Rio de Janeiro, Brazil
| | - Ana Carolina Dudenhoeffer Carneiro
- Laboratório Brasileiro de Controle de Dopagem-Laboratório de Apoio ao Desenvolvimento Tecnológico (LBCD-LADETEC), Instituto de Química, Universidade Federal do Rio de Janeiro (UFRJ), Rio de Janeiro, Brazil
| | - Isabelle Karine da Costa Nunes
- Laboratório Brasileiro de Controle de Dopagem-Laboratório de Apoio ao Desenvolvimento Tecnológico (LBCD-LADETEC), Instituto de Química, Universidade Federal do Rio de Janeiro (UFRJ), Rio de Janeiro, Brazil
| | - Luciana Pizzatti
- Laboratório de Biologia Molecular e Proteômica do Sangue-Laboratório de Apoio ao Desenvolvimento Tecnológico (LABMOPS-LADETEC), Instituto de Química, Universidade Federal do Rio de Janeiro (UFRJ), Rio de Janeiro, Brazil
| | - Vinícius Figueiredo Sardela
- Laboratório Brasileiro de Controle de Dopagem-Laboratório de Apoio ao Desenvolvimento Tecnológico (LBCD-LADETEC), Instituto de Química, Universidade Federal do Rio de Janeiro (UFRJ), Rio de Janeiro, Brazil
| | - Francisco Radler Aquino Neto
- Laboratório Brasileiro de Controle de Dopagem-Laboratório de Apoio ao Desenvolvimento Tecnológico (LBCD-LADETEC), Instituto de Química, Universidade Federal do Rio de Janeiro (UFRJ), Rio de Janeiro, Brazil
| | - Luciana Cristina Mirotti
- Laboratório Brasileiro de Controle de Dopagem-Laboratório de Apoio ao Desenvolvimento Tecnológico (LBCD-LADETEC), Instituto de Química, Universidade Federal do Rio de Janeiro (UFRJ), Rio de Janeiro, Brazil
| | - Henrique Marcelo Gualberto Pereira
- Laboratório Brasileiro de Controle de Dopagem-Laboratório de Apoio ao Desenvolvimento Tecnológico (LBCD-LADETEC), Instituto de Química, Universidade Federal do Rio de Janeiro (UFRJ), Rio de Janeiro, Brazil
| | - Mariana Renovato-Martins
- Laboratório Brasileiro de Controle de Dopagem-Laboratório de Apoio ao Desenvolvimento Tecnológico (LBCD-LADETEC), Instituto de Química, Universidade Federal do Rio de Janeiro (UFRJ), Rio de Janeiro, Brazil.,Laboratório de Inflamação e Metabolismo, Departamento de Biologia Celular e Molecular, Instituto de Biologia, Universidade Federal Fluminense, Niterói, Brazil
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6
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Capolupo I, De Rose DU, Pascone R, Danhaive O, Orzalesi M. Defective Leukocyte β2 Integrin Expression and Reactive Oxygen Species Production in Neonates. CHILDREN 2022; 9:children9040494. [PMID: 35455538 PMCID: PMC9029815 DOI: 10.3390/children9040494] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/24/2022] [Revised: 03/15/2022] [Accepted: 03/16/2022] [Indexed: 11/16/2022]
Abstract
Neonates are highly susceptible to bacterial infections, which represent a major source of mortality and morbidity in this age category. It is recognized that β2 integrins play a critical role in innate immunity by mediating leukocyte vascular adhesion, transmigration and bacterial phagocytosis. Therefore, we aimed to assess if the impaired immune functions seen in newborns may derive, in part, from a transient insufficient β2 integrin expression. In the present study we measured baseline lymphocyte function-associated antigen-1 (LFA-1 or CD11a/CD18), macrophage-1 antigen (MAC-1 or CD11b/CD18) and leukocyte integrin p150-95 (CD11c/CD18) expression on cord blood, and on the third day of life in a cohort of 35 healthy neonates, compared with a control group of 12 healthy adults. For any of the three β2 integrins, the expression on polymorphonuclear cells was significantly lower on cord blood than in adults and increased from birth to day 3. We also compared superoxide radical (SR) production in these neonates with 28 non-smoking adults. SR production in response to integrin stimulation by Zymosan was significantly lower at birth than in adults, and it decreased further in the third day of life. These findings suggest that innate immune impairment in newborns may be, in part, accounted for by a lower β2 integrin expression on phagocytes in the neonatal period, but also by a functional impairment of free radical production.
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Affiliation(s)
- Irma Capolupo
- Neonatal Intensive Care Unit, Medical and Surgical Department of Fetus, Newborn and Infant, IRCCS “Bambino Gesù” Children’s Hospital, 00165 Rome, Italy; (D.U.D.R.); (M.O.)
- Correspondence: ; Tel.: +39-06-68592427; Fax: +39-06-68593916
| | - Domenico Umberto De Rose
- Neonatal Intensive Care Unit, Medical and Surgical Department of Fetus, Newborn and Infant, IRCCS “Bambino Gesù” Children’s Hospital, 00165 Rome, Italy; (D.U.D.R.); (M.O.)
| | - Roberto Pascone
- Department of Pediatrics, “Sapienza” University of Rome, 00185 Rome, Italy;
| | - Olivier Danhaive
- Department of Neonatology, Cliniques Universitaires Saint Luc, 1200 Bruxelles, Belgium;
| | - Marcello Orzalesi
- Neonatal Intensive Care Unit, Medical and Surgical Department of Fetus, Newborn and Infant, IRCCS “Bambino Gesù” Children’s Hospital, 00165 Rome, Italy; (D.U.D.R.); (M.O.)
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Bilirubin deficiency renders mice susceptible to hepatic steatosis in the absence of insulin resistance. Redox Biol 2021; 47:102152. [PMID: 34610553 PMCID: PMC8498001 DOI: 10.1016/j.redox.2021.102152] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2021] [Revised: 09/26/2021] [Accepted: 09/26/2021] [Indexed: 12/31/2022] Open
Abstract
Background & aims Plasma concentrations of bilirubin, a product of heme catabolism formed by biliverdin reductase A (BVRA), inversely associate with the risk of metabolic diseases including hepatic steatosis and diabetes mellitus in humans. Bilirubin has antioxidant and anti-inflammatory activities and may also regulate insulin signaling and peroxisome proliferator-activated receptor alpha (PPARα) activity. However, a causal link between bilirubin and metabolic diseases remains to be established. Here, we used the global Bvra gene knockout (Bvra–/–) mouse as a model of deficiency in bilirubin to assess its role in metabolic diseases. Approach & results We fed mice fat-rich diets to induce hepatic steatosis and insulin resistance. Bile pigments were measured by LC-MS/MS, and hepatic lipids by LC-MS/MS (non-targeted lipidomics), HPLC-UV and Oil-Red-O staining. Oxidative stress was evaluated measuring F2-isoprostanes by GC-MS. Glucose metabolism and insulin sensitivity were verified by glucose and insulin tolerance tests, ex vivo and in vivo glucose uptake, and Western blotting for insulin signaling. Compared with wild type littermates, Bvra–/– mice contained negligible bilirubin in plasma and liver, and they had comparable glucose metabolism and insulin sensitivity. However, Bvra–/– mice exhibited an inflamed and fatty liver phenotype, accompanied by hepatic accumulation of oxidized triacylglycerols and F2-isoprostanes, in association with depletion of α-tocopherol. α-Tocopherol supplementation reversed the hepatic phenotype and observed biochemical changes in Bvra–/– mice. Conclusions Our data suggests that BVRA deficiency renders mice susceptible to oxidative stress-induced hepatic steatosis in the absence of insulin resistance. Low plasma levels of bilirubin associate with increased metabolic disease risk. A direct link between bilirubin and metabolic disease remains to be established. Global BVRA deficiency causes global bilirubin deficiency and a fatty, inflamed liver. This hepatic phenotype is linked to decreased vitamin E and increased lipid oxidation. Vitamin E supplements restore normal liver phenotype in BVRA deficiency.
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Adin CA. Bilirubin as a Therapeutic Molecule: Challenges and Opportunities. Antioxidants (Basel) 2021; 10:1536. [PMID: 34679671 PMCID: PMC8532879 DOI: 10.3390/antiox10101536] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2021] [Revised: 09/24/2021] [Accepted: 09/27/2021] [Indexed: 12/12/2022] Open
Abstract
There is strong evidence that serum free bilirubin concentration has significant effects on morbidity and mortality in the most significant health conditions of our times, including cardiovascular disease, diabetes, and obesity/metabolic syndrome. Supplementation of bilirubin in animal and experimental models has reproduced these protective effects, but several factors have slowed the application bilirubin as a therapeutic agent in human patients. Bilirubin is poorly soluble in water, and is a complex molecule that is difficult to synthesize. Current sources of this molecule are animal-derived, creating concerns regarding the risk of virus or prion transmission. However, recent developments in nanoparticle drug delivery, biosynthetic strategies, and drug synthesis have opened new avenues for applying bilirubin as a pharmaceutical agent. This article reviews the chemistry and physiology of bilirubin, potential clinical applications and summarizes current strategies for safe and efficient drug delivery.
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Affiliation(s)
- Christopher A Adin
- Department of Small Animal Clinical Sciences, University of Florida, Gainesville, FL 32610, USA
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Saffari-Chaleshtori J, Shojaeian A, Heidarian E, Shafiee SM. Inhibitory Effects of Bilirubin on Colonization and Migration of A431 and SK-MEL-3 Skin Cancer Cells Compared with Human Dermal Fibroblasts (HDF). Cancer Invest 2021; 39:721-733. [PMID: 34279168 DOI: 10.1080/07357907.2021.1943428] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
This study evaluated the inhibitory effects of bilirubin on colony formation and cell migration of melanoma and non-melanoma skin cancer cell lines SK-MEL-3 and A431, compared with normal human dermal fibroblasts (HDF). The IC50 obtained from the MTT assay was 125, 100, and 75 μM bilirubin for HDF, A431, and SK-MEL-3 cells, respectively. The colony formation and cell migration of cancer cells, treated with 100 μM bilirubin, were reduced significantly (p < 0.05). Bilirubin decreased cell adhesion and inhibited cell colonization via inducing apoptosis and cell death. Also by interaction with migration main factors, bilirubin caused inhibition the cell migration.
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Affiliation(s)
- Javad Saffari-Chaleshtori
- Department of Biochemistry, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran.,Clinical Biochemistry Research Center, Basic Health Sciences Institute, Shahrekord University of Medical Sciences, Shahrekord, Iran
| | - Ali Shojaeian
- Cellular and Molecular Research Center, Basic Health Sciences Institute, Shahrekord University of Medical Sciences, Shahrekord, Iran
| | - Esfandiar Heidarian
- Clinical Biochemistry Research Center, Basic Health Sciences Institute, Shahrekord University of Medical Sciences, Shahrekord, Iran
| | - Sayed Mohammad Shafiee
- Department of Biochemistry, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran.,Autophagy Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
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Martínez-Casales M, Hernanz R, Alonso MJ. Vascular and Macrophage Heme Oxygenase-1 in Hypertension: A Mini-Review. Front Physiol 2021; 12:643435. [PMID: 33716792 PMCID: PMC7952647 DOI: 10.3389/fphys.2021.643435] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2020] [Accepted: 02/01/2021] [Indexed: 11/13/2022] Open
Abstract
Hypertension is one predictive factor for stroke and heart ischemic disease. Nowadays, it is considered an inflammatory disease with elevated cytokine levels, oxidative stress, and infiltration of immune cells in several organs including heart, kidney, and vessels, which contribute to the hypertension-associated cardiovascular damage. Macrophages, the most abundant immune cells in tissues, have a high degree of plasticity that is manifested by polarization in different phenotypes, with the most well-known being M1 (proinflammatory) and M2 (anti-inflammatory). In hypertension, M1 phenotype predominates, producing inflammatory cytokines and oxidative stress, and mediating many mechanisms involved in the pathogenesis of this disease. The increase in the renin-angiotensin system and sympathetic activity contributes to the macrophage mobilization and to its polarization to the pro-inflammatory phenotype. Heme oxygenase-1 (HO-1), a phase II detoxification enzyme responsible for heme catabolism, is induced by oxidative stress, among others. HO-1 has been shown to protect against oxidative and inflammatory insults in hypertension, reducing end organ damage and blood pressure, not only by its expression at the vascular level, but also by shifting macrophages toward the anti-inflammatory phenotype. The regulatory role of heme availability for the synthesis of enzymes involved in hypertension development, such as cyclooxygenase or nitric oxide synthase, seems to be responsible for many of the beneficial HO-1 effects; additionally, the antioxidant, anti-inflammatory, antiapoptotic, and antiproliferative effects of the end products of its reaction, carbon monoxide, biliverdin/bilirubin, and Fe2+, would also contribute. In this review, we analyze the role of HO-1 in hypertensive pathology, focusing on its expression in macrophages.
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Affiliation(s)
- Marta Martínez-Casales
- Depto. de Ciencias Básicas de la Salud, Facultad de Ciencias de la Salud, Universidad Rey Juan Carlos, Alcorcón, Spain
| | - Raquel Hernanz
- Depto. de Ciencias Básicas de la Salud, Facultad de Ciencias de la Salud, Universidad Rey Juan Carlos, Alcorcón, Spain.,Centro de Investigación en Red en Enfermedades Cardiovasculares (CIBER-CV), Madrid, Spain
| | - María J Alonso
- Depto. de Ciencias Básicas de la Salud, Facultad de Ciencias de la Salud, Universidad Rey Juan Carlos, Alcorcón, Spain.,Centro de Investigación en Red en Enfermedades Cardiovasculares (CIBER-CV), Madrid, Spain
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11
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Meyer N, Brodowski L, Richter K, von Kaisenberg CS, Schröder-Heurich B, von Versen-Höynck F. Pravastatin Promotes Endothelial Colony-Forming Cell Function, Angiogenic Signaling and Protein Expression In Vitro. J Clin Med 2021; 10:E183. [PMID: 33419165 PMCID: PMC7825508 DOI: 10.3390/jcm10020183] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2020] [Revised: 12/28/2020] [Accepted: 12/31/2020] [Indexed: 12/15/2022] Open
Abstract
Endothelial dysfunction is a primary feature of several cardiovascular diseases. Endothelial colony-forming cells (ECFCs) represent a highly proliferative subtype of endothelial progenitor cells (EPCs), which are involved in neovascularization and vascular repair. Statins are known to improve the outcome of cardiovascular diseases via pleiotropic effects. We hypothesized that treatment with the 3-hydroxy-3-methyl-glutaryl-coenzyme A (HMG-CoA) reductase inhibitor pravastatin increases ECFCs' functional capacities and regulates the expression of proteins which modulate endothelial health in a favourable manner. Umbilical cord blood derived ECFCs were incubated with different concentrations of pravastatin with or without mevalonate, a key intermediate in cholesterol synthesis. Functional capacities such as migration, proliferation and tube formation were addressed in corresponding in vitro assays. mRNA and protein levels or phosphorylation of protein kinase B (AKT), endothelial nitric oxide synthase (eNOS), heme oxygenase-1 (HO-1), vascular endothelial growth factor A (VEGF-A), placental growth factor (PlGF), soluble fms-like tyrosine kinase-1 (sFlt-1) and endoglin (Eng) were analyzed by real time PCR or immunoblot, respectively. Proliferation, migration and tube formation of ECFCs were enhanced after pravastatin treatment, and AKT- and eNOS-phosphorylation were augmented. Further, expression levels of HO-1, VEGF-A and PlGF were increased, whereas expression levels of sFlt-1 and Eng were decreased. Pravastatin induced effects were reversible by the addition of mevalonate. Pravastatin induces beneficial effects on ECFC function, angiogenic signaling and protein expression. These effects may contribute to understand the pleiotropic function of statins as well as to provide a promising option to improve ECFCs' condition in cell therapy in order to ameliorate endothelial dysfunction.
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Affiliation(s)
- Nadia Meyer
- Gynecology Research Unit, Hannover Medical School, Carl-Neuberg-Strasse 1, D-30625 Hannover, Germany; (N.M.); (L.B.); (K.R.); (B.S.-H.)
| | - Lars Brodowski
- Gynecology Research Unit, Hannover Medical School, Carl-Neuberg-Strasse 1, D-30625 Hannover, Germany; (N.M.); (L.B.); (K.R.); (B.S.-H.)
- Department of Obstetrics and Gynecology, Hannover Medical School, Carl-Neuberg-Strasse 1, D-30625 Hannover, Germany;
| | - Katja Richter
- Gynecology Research Unit, Hannover Medical School, Carl-Neuberg-Strasse 1, D-30625 Hannover, Germany; (N.M.); (L.B.); (K.R.); (B.S.-H.)
| | - Constantin S. von Kaisenberg
- Department of Obstetrics and Gynecology, Hannover Medical School, Carl-Neuberg-Strasse 1, D-30625 Hannover, Germany;
| | - Bianca Schröder-Heurich
- Gynecology Research Unit, Hannover Medical School, Carl-Neuberg-Strasse 1, D-30625 Hannover, Germany; (N.M.); (L.B.); (K.R.); (B.S.-H.)
| | - Frauke von Versen-Höynck
- Gynecology Research Unit, Hannover Medical School, Carl-Neuberg-Strasse 1, D-30625 Hannover, Germany; (N.M.); (L.B.); (K.R.); (B.S.-H.)
- Department of Obstetrics and Gynecology, Hannover Medical School, Carl-Neuberg-Strasse 1, D-30625 Hannover, Germany;
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12
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Costa DL, Amaral EP, Andrade BB, Sher A. Modulation of Inflammation and Immune Responses by Heme Oxygenase-1: Implications for Infection with Intracellular Pathogens. Antioxidants (Basel) 2020; 9:antiox9121205. [PMID: 33266044 PMCID: PMC7761188 DOI: 10.3390/antiox9121205] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2020] [Revised: 11/25/2020] [Accepted: 11/26/2020] [Indexed: 02/07/2023] Open
Abstract
Heme oxygenase-1 (HO-1) catalyzes the degradation of heme molecules releasing equimolar amounts of biliverdin, iron and carbon monoxide. Its expression is induced in response to stress signals such as reactive oxygen species and inflammatory mediators with antioxidant, anti-inflammatory and immunosuppressive consequences for the host. Interestingly, several intracellular pathogens responsible for major human diseases have been shown to be powerful inducers of HO-1 expression in both host cells and in vivo. Studies have shown that this HO-1 response can be either host detrimental by impairing pathogen control or host beneficial by limiting infection induced inflammation and tissue pathology. These properties make HO-1 an attractive target for host-directed therapy (HDT) of the diseases in question, many of which have been difficult to control using conventional antibiotic approaches. Here we review the mechanisms by which HO-1 expression is induced and how the enzyme regulates inflammatory and immune responses during infection with a number of different intracellular bacterial and protozoan pathogens highlighting mechanistic commonalities and differences with the goal of identifying targets for disease intervention.
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Affiliation(s)
- Diego L. Costa
- Departamento de Bioquímica e Imunologia, Faculdade de Medicina de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto 14049-900, São Paulo, Brazil
- Correspondence: ; Tel.: +55-16-3315-3061
| | - Eduardo P. Amaral
- Immunobiology Section, Laboratory of Parasitic Diseases, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD 20892, USA; (E.P.A.); (A.S.)
| | - Bruno B. Andrade
- Wellcome Centre for Infectious Disease Research in Africa, Institute of Infectious Disease and Molecular Medicine, University of Cape Town, Cape Town 7925, South Africa;
- Instituto Gonçalo Moniz, Fundação Oswaldo Cruz, Salvador 40296-710, Bahia, Brazil
- Multinational Organization Network Sponsoring Translational and Epidemiological Research (MONSTER) Initiative, Salvador 40210-320, Bahia, Brazil
- Curso de Medicina, Faculdade de Tecnologia e Ciências (UniFTC), Salvador 41741-590, Bahia, Brazil
- Curso de Medicina, Universidade Salvador (UNIFACS), Laureate International Universities, Salvador 41770-235, Bahia, Brazil
- Escola Bahiana de Medicina e Saúde Pública (EBMSP), Salvador 40290-000, Bahia, Brazil
- Division of Infectious Diseases, Department of Medicine, Vanderbilt University School of Medicine, Nashville, TN 37232, USA
| | - Alan Sher
- Immunobiology Section, Laboratory of Parasitic Diseases, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD 20892, USA; (E.P.A.); (A.S.)
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13
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Two Faces of Heme Catabolic Pathway in Newborns: A Potential Role of Bilirubin and Carbon Monoxide in Neonatal Inflammatory Diseases. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2020; 2020:7140496. [PMID: 32908636 PMCID: PMC7450323 DOI: 10.1155/2020/7140496] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/07/2020] [Accepted: 07/27/2020] [Indexed: 12/18/2022]
Abstract
In an infant's body, all the systems undergo significant changes in order to adapt to the new, extrauterine environment and challenges which it poses. Fragile homeostasis can be easily disrupted as the defensive mechanisms are yet imperfect. The activity of antioxidant enzymes, i.e., superoxide dismutase, catalase, and glutathione peroxidase, is low; therefore, neonates are especially vulnerable to oxidative stress. Free radical burden significantly contributes to neonatal illnesses such as sepsis, retinopathy of premature, necrotizing enterocolitis, bronchopulmonary dysplasia, or leukomalacia. However, newborns have an important ally-an inducible heme oxygenase-1 (HO-1) which expression rises rapidly in response to stress stimuli. HO-1 activity leads to production of carbon monoxide (CO), free iron ion, and biliverdin; the latter is promptly reduced to bilirubin. Although CO and bilirubin used to be considered noxious by-products, new interesting properties of those compounds are being revealed. Bilirubin proved to be an efficient free radicals scavenger and modulator of immune responses. CO affects a vast range of processes such as vasodilatation, platelet aggregation, and inflammatory reactions. Recently, developed nanoparticles consisting of PEGylated bilirubin as well as several kinds of molecules releasing CO have been successfully tested on animal models of inflammatory diseases. This paper focuses on the role of heme metabolites and their potential utility in prevention and treatment of neonatal diseases.
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14
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Chen R, Liu G, Sun X, Cao X, He W, Lin X, Liu Q, Zhao J, Pang Y, Li B, Qin A. Chitosan derived nitrogen-doped carbon dots suppress osteoclastic osteolysis via downregulating ROS. NANOSCALE 2020; 12:16229-16244. [PMID: 32706362 DOI: 10.1039/d0nr02848g] [Citation(s) in RCA: 32] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
Abstract
Osteoclasts are the main cells involved in normal bone remodeling and pathological bone destruction in vivo. Overactivation of osteoclasts can lead to osteolytic diseases, including breast cancer, bone tumors, arthritis, the aseptic loosening of orthopedic implants, and Paget's disease. Excessive reactive oxygen species are the main cause of osteoclast overactivation. We have synthesized chitosan derived nitrogen-doped carbon dots (N-CDs) with a high synthetic yield and the ability to scavenge reactive oxygen species (ROS). N-CDs effectively abrogated RANKL-induced elevation in ROS generation and therefore impaired the activation of NF-κB and MAPK pathways. Osteoclastogenesis and bone resorption was effectively attenuated in vitro. Furthermore, the in vivo administration of N-CDs in mice protected them against lipopolysaccharide (LPS)-induced calvarial bone destruction and breast cancer cell-induced tibial bone loss. Based on the good biocompatibility of N-CDs and the ability to efficiently remove ROS, a nanomaterial treatment scheme was provided for the first time for the clinical treatment of osteolytic diseases.
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Affiliation(s)
- Runfeng Chen
- Guangxi Key Laboratory of Regenerative Medicine, Guangxi Medical University, Guangxi, 530021, China.
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15
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Iwata M, Inoue T, Asai Y, Hori K, Fujiwara M, Matsuo S, Tsuchida W, Suzuki S. The protective role of localized nitric oxide production during inflammation may be mediated by the heme oxygenase-1/carbon monoxide pathway. Biochem Biophys Rep 2020; 23:100790. [PMID: 32760814 PMCID: PMC7390790 DOI: 10.1016/j.bbrep.2020.100790] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2020] [Revised: 07/09/2020] [Accepted: 07/15/2020] [Indexed: 12/17/2022] Open
Abstract
Nitric oxide (NO) is an important part of the host defense mechanism; however, it displays both pro- and anti-inflammatory properties depending on its location and concentration. Importantly, excessive or inappropriate NO production can cause tissue damage. Systemic and local administration of NO synthase (NOS) inhibitors ameliorates and may exacerbate the inflammatory response, respectively. Here, we used a carrageenan-induced pleurisy model of acute inflammation in rats to confirm the location-dependent effects of NO and investigate the underlying mechanisms. As expected, localized suppression of NO production exacerbated inflammation, as evidenced by increased pleural exudate volumes and leukocyte counts and enhanced activity of enzymes related to oxidative stress. In contrast, local NO supplementation reduced leukocyte infiltration, vascular permeability, and the activity of oxidative stress-related enzymes. Interestingly, inhibition of heme oxygenase-1 (HO-1) reversed the anti-inflammatory effects of localized NO production, while the addition of hemin (HO-1 substrate) or carbon monoxide (CO; HO-1 metabolite) decreased leukocyte migration and exudation. Together, these findings confirm a protective role for NO at the inflammatory site, which appears to be mediated via NOS induction of the HO-1/CO pathway. Thus, NO supplementation may be a potential new treatment for oxidative stress-associated inflammatory diseases. Systemic NOS inhibition ameliorated inflammation in a rat Cg-induced pleurisy model. Conversely, localized NOS inhibition increased all examined markers of inflammation. HO-1, hemin, and CO enhanced the localized anti-inflammatory effects of NO. NOC-18, l-arginine, hemin, and CORM-3 decreased levels of inflammatory cytokines. The localized anti-inflammatory effect of NO may be mediated via the HO-1/CO pathway.
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Affiliation(s)
- Masahiro Iwata
- Department of Rehabilitation, Faculty of Health Sciences, Nihon Fukushi University, 26-2 Higashihaemi-cho, Handa, Aichi, 475-0012, Japan.,Department of Physical and Occupational Therapy, Nagoya University Graduate School of Medicine, 1-1-20 Daiko-Minami, Higashi-ku, Nagoya, 461-8673, Japan
| | - Takayuki Inoue
- Department of Rehabilitation, Nagoya University Hospital, 65 Tsurumai-cho, Showa-ku, Nagoya, 466-8560, Japan
| | - Yuji Asai
- Department of Rehabilitation, Faculty of Health Sciences, Nihon Fukushi University, 26-2 Higashihaemi-cho, Handa, Aichi, 475-0012, Japan
| | - Kiyomi Hori
- Department of Functional Anatomy, Graduate School of Medical Science, Kanazawa University, 13-1 Takara-machi, Kanazawa, 920-8640, Japan
| | - Mitsuhiro Fujiwara
- Department of Physical and Occupational Therapy, Nagoya University Graduate School of Medicine, 1-1-20 Daiko-Minami, Higashi-ku, Nagoya, 461-8673, Japan.,Kamiiida Rehabilitation Hospital, 3-57 Kamiiida Kita-machi, Kita-ku, Nagoya, 462-0802, Japan
| | - Shingo Matsuo
- Department of Rehabilitation, Faculty of Health Sciences, Nihon Fukushi University, 26-2 Higashihaemi-cho, Handa, Aichi, 475-0012, Japan
| | - Wakako Tsuchida
- Department of Life Science and Biotechnology, National Institute of Advanced Industrial Science and Technology (AIST), 2217-14 Hayashi-cho, Takamatsu, Kagawa, 761-0395, Japan
| | - Shigeyuki Suzuki
- Department of Health and Sports Sciences, School of Health Sciences, Asahi University, 1851 Hozumi, Mizuho, Gifu, 501-0296, Japan
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16
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Ai Z, Wu Y, Yu M, Li J, Li S. Theaflavin-3, 3'-Digallate Suppresses RANKL-Induced Osteoclastogenesis and Attenuates Ovariectomy-Induced Bone Loss in Mice. Front Pharmacol 2020; 11:803. [PMID: 32694992 PMCID: PMC7336999 DOI: 10.3389/fphar.2020.00803] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2019] [Accepted: 05/18/2020] [Indexed: 12/23/2022] Open
Abstract
Theaflavin-3, 3′-digallate (TF3) is extracted from black tea and has strong antioxidant capabilities. The aim of this study was to assess the influences of TF3 on osteoclastogenesis and explore the underlying mechanisms. TF3 efficiently decreased receptor activator of nuclear factor-kappa B ligand (RANKL)-induced osteoclast formation and reactive oxygen species (ROS) generation in a dose-dependent manner. Mechanistically, TF3 reduced ROS generation by activating nuclear factor erythroid 2-related factor 2 (Nrf2) and its downstream heme oxygenase-1 (HO-1) and also inhibited the mitogen-activated protein kinases (MAPK) pathway. Moreover, micro-computed tomography (CT) analysis, hematoxylin and eosin (H&E) staining, and TRAP staining of the femurs of C57BL/6J female mice showed that TF3 markedly attenuated bone loss and osteoclastogenesis in mice. Immunofluorescence staining, 2′,7′-dichlorofluorescein diacetate (DCFH-DA) staining, and measurement of the levels of malonaldehyde (MDA) and superoxide dismutase (SOD) revealed that TF3 increased the expression of Nrf2 and decreased the intracellular ROS level in vivo. These findings indicated that TF3 may have the potential to treat osteoporosis and bone diseases related to excessive osteoclastogenesis via inhibiting the intracellular ROS level.
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Affiliation(s)
- Zexin Ai
- Shanghai Engineering Research Center of Tooth Restoration and Regeneration, Department of Oral and Maxillofacial Surgery, School and Hospital of Stomatology, Tongji University, Shanghai, China
| | - Yang'ou Wu
- Shanghai Engineering Research Center of Tooth Restoration and Regeneration, Department of Oral and Maxillofacial Surgery, School and Hospital of Stomatology, Tongji University, Shanghai, China
| | - Miao Yu
- Shanghai Engineering Research Center of Tooth Restoration and Regeneration, Department of Oral and Maxillofacial Surgery, School and Hospital of Stomatology, Tongji University, Shanghai, China
| | - Jia Li
- Shanghai Engineering Research Center of Tooth Restoration and Regeneration, Department of Prosthodontics, School and Hospital of Stomatology, Tongji University, Shanghai, China
| | - Shengjiao Li
- Shanghai Engineering Research Center of Tooth Restoration and Regeneration, Department of Oral and Maxillofacial Surgery, School and Hospital of Stomatology, Tongji University, Shanghai, China
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17
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Signorelli SS, Marino E, Scuto S, Di Raimondo D. Pathophysiology of Peripheral Arterial Disease (PAD): A Review on Oxidative Disorders. Int J Mol Sci 2020; 21:ijms21124393. [PMID: 32575692 PMCID: PMC7352779 DOI: 10.3390/ijms21124393] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2020] [Revised: 06/13/2020] [Accepted: 06/18/2020] [Indexed: 12/14/2022] Open
Abstract
Peripheral arterial disease (PAD) is an atherosclerotic disease that affects a wide range of the world’s population, reaching up to 200 million individuals worldwide. PAD particularly affects elderly individuals (>65 years old). PAD is often underdiagnosed or underestimated, although specificity in diagnosis is shown by an ankle/brachial approach, and the high cardiovascular event risk that affected the PAD patients. A number of pathophysiologic pathways operate in chronic arterial ischemia of lower limbs, giving the possibility to improve therapeutic strategies and the outcome of patients. This review aims to provide a well detailed description of such fundamental issues as physical exercise, biochemistry of physical exercise, skeletal muscle in PAD, heme oxygenase 1 (HO-1) in PAD, and antioxidants in PAD. These issues are closely related to the oxidative stress in PAD. We want to draw attention to the pathophysiologic pathways that are considered to be beneficial in order to achieve more effective options to treat PAD patients.
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Affiliation(s)
- Salvatore Santo Signorelli
- Department of Clinical and Experimental Medicine, University of Catania, 95125 Catania, Italy; (E.M.); (S.S.)
- Correspondence: ; Tel.: +39-09-5378-2545
| | - Elisa Marino
- Department of Clinical and Experimental Medicine, University of Catania, 95125 Catania, Italy; (E.M.); (S.S.)
| | - Salvatore Scuto
- Department of Clinical and Experimental Medicine, University of Catania, 95125 Catania, Italy; (E.M.); (S.S.)
| | - Domenico Di Raimondo
- Division of Internal Medicine and Stroke Care, Department of Promoting Health, Maternal-Infant. Excellence and Internal and Specialized Medicine (Promise) G. D’Alessandro, University of Palermo, 90127 Palermo, Italy;
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18
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Ehrchen JM, Roth J, Barczyk-Kahlert K. More Than Suppression: Glucocorticoid Action on Monocytes and Macrophages. Front Immunol 2019; 10:2028. [PMID: 31507614 PMCID: PMC6718555 DOI: 10.3389/fimmu.2019.02028] [Citation(s) in RCA: 118] [Impact Index Per Article: 23.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2019] [Accepted: 08/12/2019] [Indexed: 12/18/2022] Open
Abstract
Uncontrolled inflammation is a leading cause of many clinically relevant diseases. Current therapeutic strategies focus mainly on immunosuppression rather than on the mechanisms of inflammatory resolution. Glucocorticoids (GCs) are still the most widely used anti-inflammatory drugs. GCs affect most immune cells but there is growing evidence for cell type specific mechanisms. Different subtypes of monocytes and macrophages play a pivotal role both in generation as well as resolution of inflammation. Activation of these cells by microbial products or endogenous danger signals results in production of pro-inflammatory mediators and initiation of an inflammatory response. GCs efficiently inhibit these processes by down-regulating pro-inflammatory mediators from macrophages and monocytes. On the other hand, GCs act on “naïve” monocytes and macrophages and induce anti-inflammatory mediators and differentiation of anti-inflammatory phenotypes. GC-induced anti-inflammatory monocytes have an increased ability to migrate toward inflammatory stimuli. They remove endo- and exogenous danger signals by an increased phagocytic capacity, produce anti-inflammatory mediators and limit T-cell activation. Thus, GCs limit amplification of inflammation by repressing pro-inflammatory macrophage activation and additionally induce anti-inflammatory monocyte and macrophage populations actively promoting resolution of inflammation. Further investigation of these mechanisms should lead to the development of novel therapeutic strategies to modulate undesirable inflammation with fewer side effects via induction of inflammatory resolution rather than non-specific immunosuppression.
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Affiliation(s)
- Jan M Ehrchen
- Department of Dermatology, University of Münster, Münster, Germany
| | - Johannes Roth
- Institute of Immunology, University of Münster, Münster, Germany
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19
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Malekmohammad K, Sewell RDE, Rafieian-Kopaei M. Antioxidants and Atherosclerosis: Mechanistic Aspects. Biomolecules 2019; 9:E301. [PMID: 31349600 PMCID: PMC6722928 DOI: 10.3390/biom9080301] [Citation(s) in RCA: 137] [Impact Index Per Article: 27.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2019] [Revised: 07/07/2019] [Accepted: 07/17/2019] [Indexed: 02/07/2023] Open
Abstract
Atherosclerosis is a chronic inflammatory disease which is a major cause of coronary heart disease and stroke in humans. It is characterized by intimal plaques and cholesterol accumulation in arterial walls. The side effects of currently prescribed synthetic drugs and their high cost in the treatment of atherosclerosis has prompted the use of alternative herbal medicines, dietary supplements, and antioxidants associated with fewer adverse effects for the treatment of atherosclerosis. This article aims to present the activity mechanisms of antioxidants on atherosclerosis along with a review of the most prevalent medicinal plants employed against this multifactorial disease. The wide-ranging information in this review article was obtained from scientific databases including PubMed, Web of Science, Scopus, Science Direct and Google Scholar. Natural and synthetic antioxidants have a crucial role in the prevention and treatment of atherosclerosis through different mechanisms. These include: The inhibition of low density lipoprotein (LDL) oxidation, the reduction of reactive oxygen species (ROS) generation, the inhibition of cytokine secretion, the prevention of atherosclerotic plaque formation and platelet aggregation, the preclusion of mononuclear cell infiltration, the improvement of endothelial dysfunction and vasodilation, the augmentation of nitric oxide (NO) bioavailability, the modulation of the expression of adhesion molecules such as vascular cell adhesion molecule-1 (VCAM-1) and intercellular adhesion molecule-1 (ICAM-1) on endothelial cells, and the suppression of foam cell formation.
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Affiliation(s)
- Khojasteh Malekmohammad
- Department of Animal Sciences, Faculty of Basic Sciences, Shahrekord University, Shahrekord 8818634141, Iran
| | - Robert D E Sewell
- Cardiff School of Pharmacy and Pharmaceutical Sciences, Cardiff University, Cardiff CF10 3NB, UK
| | - Mahmoud Rafieian-Kopaei
- Medical Plants Research Center, Basic Health Sciences Institute, Shahrekord University of Medical Sciences, Shahrekord 8813833435, Iran.
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20
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Fujiwara A, Hatayama N, Matsuura N, Yokota N, Fukushige K, Yakura T, Tarumi S, Go T, Hirai S, Naito M, Yokomise H. High-Pressure Carbon Monoxide and Oxygen Mixture is Effective for Lung Preservation. Int J Mol Sci 2019; 20:ijms20112719. [PMID: 31163581 PMCID: PMC6600409 DOI: 10.3390/ijms20112719] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2019] [Revised: 05/29/2019] [Accepted: 05/30/2019] [Indexed: 12/22/2022] Open
Abstract
(1) Background: Heme oxygenase-1 (HO-1) degrades heme and generates carbon monoxide (CO), producing various anti-inflammatory, anti-oxidative, and anti-apoptotic effects. This study aimed to confirm the effects of CO on the ischemia–reperfusion injury (IRI) of donor lungs using a high-pressure gas (HPG) preservation method. (2) Methods: Donor rat and canine lungs were preserved in a chamber filled with CO (1.5 atm) and oxygen (O2; 2 atm) and were ventilated with either CO and O2 mixture (CO/O2 group) or air (air group) immediately before storage. Rat lungs were subjected to heterotopic cervical transplantation and evaluated after reperfusion, whereas canine lungs were subjected to allogeneic transplantation and evaluated. (3) Results: Alveolar hemorrhage in the CO/O2 group was significantly milder than that in the air group. mRNA expression levels of HO-1 remained unchanged in both the groups; however, inflammatory mediator levels were significantly lower in the CO/O2 group than in the air group. The oxygenation of graft lungs was comparable between the two groups, but lactic acid level tended to be higher in the air group. (4) Conclusions: The HO-1/CO system in the HPG preservation method is effective in suppressing IRI and preserving donor lungs.
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Affiliation(s)
- Atsushi Fujiwara
- Department of General Thoracic, Breast and Endocrinological Surgery, Kagawa University, Kagawa 761-0793, Japan.
- Department of Anatomy, Aichi Medical University, Aichi 480-1195, Japan.
| | - Naoyuki Hatayama
- Department of Anatomy, Aichi Medical University, Aichi 480-1195, Japan.
| | - Natsumi Matsuura
- Department of General Thoracic, Breast and Endocrinological Surgery, Kagawa University, Kagawa 761-0793, Japan.
| | - Naoya Yokota
- Department of General Thoracic, Breast and Endocrinological Surgery, Kagawa University, Kagawa 761-0793, Japan.
| | - Kaori Fukushige
- Department of Anatomy, Aichi Medical University, Aichi 480-1195, Japan.
| | - Tomiko Yakura
- Department of Anatomy, Aichi Medical University, Aichi 480-1195, Japan.
| | - Shintaro Tarumi
- Department of General Thoracic, Breast and Endocrinological Surgery, Kagawa University, Kagawa 761-0793, Japan.
| | - Tetsuhiko Go
- Department of General Thoracic, Breast and Endocrinological Surgery, Kagawa University, Kagawa 761-0793, Japan.
| | - Shuichi Hirai
- Department of Anatomy, Aichi Medical University, Aichi 480-1195, Japan.
| | - Munekazu Naito
- Department of Anatomy, Aichi Medical University, Aichi 480-1195, Japan.
| | - Hiroyasu Yokomise
- Department of General Thoracic, Breast and Endocrinological Surgery, Kagawa University, Kagawa 761-0793, Japan.
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Chen K, Qiu P, Yuan Y, Zheng L, He J, Wang C, Guo Q, Kenny J, Liu Q, Zhao J, Chen J, Tickner J, Fan S, Lin X, Xu J. Pseurotin A Inhibits Osteoclastogenesis and Prevents Ovariectomized-Induced Bone Loss by Suppressing Reactive Oxygen Species. Theranostics 2019; 9:1634-1650. [PMID: 31037128 PMCID: PMC6485188 DOI: 10.7150/thno.30206] [Citation(s) in RCA: 157] [Impact Index Per Article: 31.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2018] [Accepted: 01/01/2019] [Indexed: 12/29/2022] Open
Abstract
Rationale: Growing evidence indicates that intracellular reactive oxygen species (ROS) accumulation is a critical factor in the development of osteoporosis by triggering osteoclast formation and function. Pseurotin A (Pse) is a secondary metabolite isolated from Aspergillus fumigatus with antioxidant properties, recently shown to exhibit a wide range of potential therapeutic applications. However, its effects on osteoporosis remain unknown. This study aimed to explore whether Pse, by suppressing ROS level, is able to inhibit osteoclastogenesis and prevent the bone loss induced by estrogen-deficiency in ovariectomized (OVX) mice. Methods: The effects of Pse on receptor activator of nuclear factor-κB (NF-κB) ligand (RANKL)-induced osteoclastogenesis and bone resorptive function were examined by tartrate resistant acid phosphatase (TRAcP) staining and hydroxyapatite resorption assay. 2',7'-dichlorodihydrofluorescein diacetate (H2DCFDA) was used to detect intracellular ROS production in vitro. Western blot assay was used to identify proteins associated with ROS generation and scavenging as well as ROS-mediated signaling cascades including mitogen-activated protein kinases (MAPKs), NF-κB pathways, and nuclear factor of activated T cells 1 (NFATc1) signaling. The expression of osteoclast-specific genes was assessed by qPCR. The in vivo potential of Pse was determined using an OVX mouse model administered with Pse or vehicle for 6 weeks. In vivo ROS production was assessed by intravenous injection of dihydroethidium (DHE) into OVX mice 24h prior to killing. After sacrifice, the bone samples were analyzed using micro-CT and histomorphometry to determine bone volume, osteoclast activity, and ROS level ex vivo. Results: Pse was demonstrated to inhibit osteoclastogenesis and bone resorptive function in vitro, as well as the downregulation of osteoclast-specific genes including Acp5 (encoding TRAcP), Ctsk (encoding cathepsin K), and Mmp9 (encoding matrix metalloproteinase 9). Mechanistically, Pse suppressed intracellular ROS level by inhibiting RANKL-induced ROS production and enhancing ROS scavenging enzymes, subsequently suppressing MAPK pathway (ERK, P38, and JNK) and NF-κB pathways, leading to the inhibition of NFATc1 signaling. Micro-CT and histological data indicated that OVX procedure resulted in a significant bone loss, with dramatically increased the number of osteoclasts on the bone surface as well as increased ROS level in the bone marrow microenvironment; whereas Pse supplementation was capable of effectively preventing these OVX-induced changes. Conclusion: Pse was demonstrated for the first time as a novel alternative therapy for osteoclast-related bone diseases such as osteoporosis through suppressing ROS level.
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Maamoun H, Benameur T, Pintus G, Munusamy S, Agouni A. Crosstalk Between Oxidative Stress and Endoplasmic Reticulum (ER) Stress in Endothelial Dysfunction and Aberrant Angiogenesis Associated With Diabetes: A Focus on the Protective Roles of Heme Oxygenase (HO)-1. Front Physiol 2019; 10:70. [PMID: 30804804 PMCID: PMC6378556 DOI: 10.3389/fphys.2019.00070] [Citation(s) in RCA: 85] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2018] [Accepted: 01/21/2019] [Indexed: 12/17/2022] Open
Abstract
Type-2 diabetes prevalence is continuing to rise worldwide due to physical inactivity and obesity epidemic. Diabetes and fluctuations of blood sugar are related to multiple micro- and macrovascular complications, that are attributed to oxidative stress, endoplasmic reticulum (ER) activation and inflammatory processes, which lead to endothelial dysfunction characterized, among other features, by reduced availability of nitric oxide (NO) and aberrant angiogenic capacity. Several enzymatic anti-oxidant and anti-inflammatory agents have been found to play protective roles against oxidative stress and its downstream signaling pathways. Of particular interest, heme oxygenase (HO) isoforms, specifically HO-1, have attracted much attention as major cytoprotective players in conditions associated with inflammation and oxidative stress. HO operates as a key rate-limiting enzyme in the process of degradation of the iron-containing molecule, heme, yielding the following byproducts: carbon monoxide (CO), iron, and biliverdin. Because HO-1 induction was linked to pro-oxidant states, it has been regarded as a marker of oxidative stress; however, accumulating evidence has established multiple cytoprotective roles of the enzyme in metabolic and cardiovascular disorders. The cytoprotective effects of HO-1 depend on several cellular mechanisms including the generation of bilirubin, an anti-oxidant molecule, from the degradation of heme; the induction of ferritin, a strong chelator of free iron; and the release of CO, that displays multiple anti-inflammatory and anti-apoptotic actions. The current review article describes the major molecular mechanisms contributing to endothelial dysfunction and altered angiogenesis in diabetes with a special focus on the interplay between oxidative stress and ER stress response. The review summarizes the key cytoprotective roles of HO-1 against hyperglycemia-induced endothelial dysfunction and aberrant angiogenesis and discusses the major underlying cellular mechanisms associated with its protective effects.
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Affiliation(s)
- Hatem Maamoun
- Department of Medical Biochemistry and Molecular Biology, Faculty of Medicine, Ain Shams University, Cairo, Egypt
| | - Tarek Benameur
- College of Medicine, King Faisal University, Al-Ahsa, Saudi Arabia
| | - Gianfranco Pintus
- Department of Biomedical Sciences, College of Health Sciences, Qatar University, Doha, Qatar
| | - Shankar Munusamy
- Department of Pharmaceutical and Administrative Sciences, College of Pharmacy and Health Sciences, Drake University, Des Moines, IA, United States
| | - Abdelali Agouni
- Department of Pharmaceutical Sciences, College of Pharmacy, Qatar University, Doha, Qatar
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23
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Matsui T, Sugiyama R, Sakanashi K, Tamura Y, Iida M, Nambu Y, Higuchi T, Suematsu M, Ikeda-Saito M. Hydrogen sulfide bypasses the rate-limiting oxygen activation of heme oxygenase. J Biol Chem 2018; 293:16931-16939. [PMID: 30237172 DOI: 10.1074/jbc.ra118.004641] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2018] [Revised: 08/29/2018] [Indexed: 12/31/2022] Open
Abstract
Discovery of unidentified protein functions is of biological importance because it often provides new paradigms for many research areas. Mammalian heme oxygenase (HO) enzyme catalyzes the O2-dependent degradation of heme into carbon monoxide (CO), iron, and biliverdin through numerous reaction intermediates. Here, we report that H2S, a gaseous signaling molecule, is part of a novel reaction pathway that drastically alters HO's products, reaction mechanism, and catalytic properties. Our prediction of this interplay is based on the unique reactivity of H2S with one of the HO intermediates. We found that in the presence of H2S, HO produces new linear tetrapyrroles, which we identified as isomers of sulfur-containing biliverdin (SBV), and that only H2S, but not GSH, cysteine, and polysulfides, induces SBV formation. As BV is converted to bilirubin (BR), SBV is enzymatically reduced to sulfur-containing bilirubin (SBR), which shares similar properties such as antioxidative effects with normal BR. SBR was detected in culture media of mouse macrophages, confirming the existence of this H2S-induced reaction in mammalian cells. H2S reacted specifically with a ferric verdoheme intermediate of HO, and verdoheme cleavage proceeded through an O2-independent hydrolysis-like mechanism. This change in activation mode diminished O2 dependence of the overall HO activity, circumventing the rate-limiting O2 activation of HO. We propose that H2S could largely affect O2 sensing by mammalian HO, which is supposed to relay hypoxic signals by decreasing CO output to regulate cellular functions. Moreover, the novel H2S-induced reaction identified here helps sustain HO's heme-degrading and antioxidant-generating capacity under highly hypoxic conditions.
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Affiliation(s)
- Toshitaka Matsui
- From the Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, Katahira, Aoba, Sendai 980-8577, Japan,
| | - Ryota Sugiyama
- From the Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, Katahira, Aoba, Sendai 980-8577, Japan
| | - Kenta Sakanashi
- From the Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, Katahira, Aoba, Sendai 980-8577, Japan
| | - Yoko Tamura
- From the Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, Katahira, Aoba, Sendai 980-8577, Japan
| | - Masaki Iida
- From the Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, Katahira, Aoba, Sendai 980-8577, Japan
| | - Yukari Nambu
- From the Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, Katahira, Aoba, Sendai 980-8577, Japan
| | - Tsunehiko Higuchi
- Graduate School of Pharmaceutical Sciences, Nagoya City University, Tanabe-dori, Mizuho, Nagoya 467-8603, Japan, and
| | - Makoto Suematsu
- Department of Biochemistry, Keio University School of Medicine, Shinano-machi, Shinjyuku, Tokyo 160-8582, Japan
| | - Masao Ikeda-Saito
- From the Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, Katahira, Aoba, Sendai 980-8577, Japan,
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24
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Modulation of the monocyte/macrophage system in heart failure by targeting heme oxygenase-1. Vascul Pharmacol 2018; 112:79-90. [PMID: 30213580 DOI: 10.1016/j.vph.2018.08.011] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2018] [Revised: 08/26/2018] [Accepted: 08/29/2018] [Indexed: 01/14/2023]
Abstract
Upon myocardial infarction (MI) immune system becomes activated by extensive necrosis of cardiomyocytes releasing intracellular molecules called damage-associated molecular patterns. Overactive and prolonged immune responses are likely to be responsible for heart failure development and progression in patients surviving the ischemic episode. Heme oxygenase-1 (HO-1) plays a crucial role in heme degradation and in this way releases carbon monoxide, free iron, and biliverdin. This stress-inducible enzyme is induced by various oxidative and inflammatory signals. Consequently, biological actions of HO-1 are not limited to degradation of a toxic heme released from hemoproteins, but also provide an adaptive cellular response against chronic inflammation and oxidative injury. Indeed, the immunomodulatory and anti-inflammatory properties of HO-1 were demonstrated in several experimental studies, as well as in human cases of genetic HO-1 deficiency. HO-1 was shown to suppress the production, myocardial infiltration and inflammatory properties of monocytes and macrophages what resulted in limitation of post-MI cardiac damage. This review specifically addresses the role of HO-1, heme and its degradation products in macrophage biology and post-ischemic cardiac repair. A more complete understanding of these mechanisms is essential to develop new therapeutic approaches.
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25
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Waza AA, Hamid Z, Ali S, Bhat SA, Bhat MA. A review on heme oxygenase-1 induction: is it a necessary evil. Inflamm Res 2018; 67:579-588. [PMID: 29693710 DOI: 10.1007/s00011-018-1151-x] [Citation(s) in RCA: 181] [Impact Index Per Article: 30.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2018] [Revised: 04/08/2018] [Accepted: 04/16/2018] [Indexed: 02/07/2023] Open
Abstract
Heme oxygenase-1 (HO-1) is considered to be the main protein in diseases arising as a result of oxidative and inflammatory insults. Tremendous research has been carried out on HO-1 since years, pertaining its cytoprotective effect against oxidative injury and other cellular stresses. HO-1, by regulating intracellular levels of pro-oxidant heme, or by other benefits of its by-products such as carbon monoxide (CO) and biliverdin (BV) had become an important candidate protein to be up-regulated to combat diverse stressful events. Although the beneficial effects of HO-1 induction have been reported in a number of cells and tissues, a growing body of evidence indicates that this increased HO-1 expression may lead to the progression of several diseases such as neurodegeneration, carcinogenesis. But it is not clear, what accounts for the increased expression of HO-1 in cells and tissues. The observed friendly role of HO-1 in a wide range of stress conditions since times is now doubtful. Therefore, more studies are needed to elucidate the exact role of HO-1 in various stressful events. Being more concise, elucidating the effect of HO-1 up-regulation on critical genes involved in particular diseases such as cancer will help to a larger extent to comprehend the exact role of HO-1. This review will assist in understanding the dual role (protective and detrimental) of HO-1 and the signaling pathway involved and will help in unraveling the doubtful role of HO-1 induction.
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Affiliation(s)
- Ajaz Ahmad Waza
- Centre of Research for Development (CORD), University of Kashmir, Srinagar, Jammu and Kashmir, India.
| | - Zeenat Hamid
- Department of Biotechnology, University of Kashmir, Srinagar, Jammu and Kashmir, India
| | - Sajad Ali
- Centre of Research for Development (CORD), University of Kashmir, Srinagar, Jammu and Kashmir, India
| | - Shabir Ahmad Bhat
- Centre of Research for Development (CORD), University of Kashmir, Srinagar, Jammu and Kashmir, India
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26
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Thorburn T, Aali M, Kostek L, LeTourneau-Paci C, Colp P, Zhou J, Holbein B, Hoskin D, Lehmann C. Anti-inflammatory effects of a novel iron chelator, DIBI, in experimental sepsis. Clin Hemorheol Microcirc 2018; 67:241-250. [PMID: 28869457 DOI: 10.3233/ch-179205] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
BACKGROUND Iron catalyzes the generation of reactive oxygen species (ROS) as part of the innate antimicrobial defense. During sepsis, the dysregulated systemic inflammatory response to infection, iron homeostasis becomes disrupted, generating an excess of ROS causing damage to tissues. This can be potentially suppressed using iron chelators that selectively bind iron to prevent its participation in ROS-related inflammatory reactions. OBJECTIVE We hypothesize that administration of DIBI, a novel iron-chelator, attenuates the dysregulated systemic immune response and reduces tissue damage in experimental endotoxemia. METHODS Five groups of animals (n = 5-10) were included in this study: control, untreated endotoxemia, and endotoxemia animals treated with either DIBI-A, MAHMP, or DIBI-B. Intravital microscopy was performed on the intestine of anesthesized mice to observe leukocyte endothelial interactions and evaluate the intestinal microcirculation. RESULTS Treatment of endotoxemic mice with DIBI-B reduced the number of adhering leukocytes in submucosal collecting (V1) venules by 68%. DIBI-B, MAHMP, and DIBI-A were able to restore functional capillary density (FCD) in the intestinal muscle layer by 74%, 44%, and 11%, respectively. CONCLUSIONS DIBI-B reduces leukocyte recruitment and improves FCD in experimental endotoxemia, outperforming other chelators tested. These findings suggest a potential role for DIBI-B as a candidate drug for sepsis treatment.
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Affiliation(s)
- Taylor Thorburn
- Department of Microbiology and Immunology, Dalhousie University, Halifax, NS, Canada.,Department of Anesthesia, Pain Management and Perioperative Medicine, Dalhousie University, Halifax, NS, Canada
| | - Maral Aali
- Department of Physiology and Biophysics, Dalhousie University, Halifax, NS, Canada.,Department of Anesthesia, Pain Management and Perioperative Medicine, Dalhousie University, Halifax, NS, Canada
| | - Lisanne Kostek
- Department of Anesthesia, Pain Management and Perioperative Medicine, Dalhousie University, Halifax, NS, Canada
| | - Chloe LeTourneau-Paci
- Department of Microbiology and Immunology, Dalhousie University, Halifax, NS, Canada
| | - Patricia Colp
- Department of Pathology, Dalhousie University, Halifax, NS, Canada
| | - Juan Zhou
- Department of Microbiology and Immunology, Dalhousie University, Halifax, NS, Canada.,Department of Anesthesia, Pain Management and Perioperative Medicine, Dalhousie University, Halifax, NS, Canada
| | - Bruce Holbein
- Department of Microbiology and Immunology, Dalhousie University, Halifax, NS, Canada.,Chelation Partners Inc., Halifax, NS, Canada
| | - David Hoskin
- Department of Microbiology and Immunology, Dalhousie University, Halifax, NS, Canada
| | - Christian Lehmann
- Department of Microbiology and Immunology, Dalhousie University, Halifax, NS, Canada.,Department of Physiology and Biophysics, Dalhousie University, Halifax, NS, Canada.,Department of Anesthesia, Pain Management and Perioperative Medicine, Dalhousie University, Halifax, NS, Canada
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27
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Kabe Y, Handa H, Suematsu M. Function and structural regulation of the carbon monoxide (CO)-responsive membrane protein PGRMC1. J Clin Biochem Nutr 2018; 63:12-17. [PMID: 30087538 PMCID: PMC6064819 DOI: 10.3164/jcbn.17-132] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2017] [Accepted: 01/04/2018] [Indexed: 01/29/2023] Open
Abstract
Progesterone receptor membrane associated component 1 is a multifunctional heme-binding protein that plays a role in several biological processes such as tumor progression, metabolic regulation, and viability control of nerve cells. Notably, progesterone receptor membrane associated component 1 is highly expressed in various types of cancer cells, and facilitates cancer proliferation and chemoresistance. Recently, progesterone receptor membrane associated component 1 structure has been explored by X-ray crystallographic analysis. Interestingly, whereas apo- progesterone receptor membrane associated component 1 exists as a monomer, the heme-bound progesterone receptor membrane associated component 1 converts into a stable dimer by forming a unique heme-heme stacking structure, leading to activation of epidermal growth factor receptor signaling and chemoresistance in cancer cells. Furthermore, the gas mediator carbon monoxide inhibits progesterone receptor membrane associated component 1-mediated activation in cancer cells by dissociating the heme-stacking dimer of progesterone receptor membrane associated component 1. The dynamic structural regulation of progesterone receptor membrane associated component 1 will provide new insights for understanding the mechanisms underlying its various functions.
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Affiliation(s)
- Yasuaki Kabe
- Department of Biochemistry, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-ku, Tokyo 160-8582, Japan.,Core Research for Evolutional Science and Technology (CREST), Japan Agency for Medical Research and Development (AMED), 20F Yomiuri Shimbun Bldg, 1-7-1 Otemachi, Chiyoda-ku, Tokyo 100-0004, Japan
| | - Hiroshi Handa
- Department of Nanoparticle Translational Research, Tokyo Medical University, 6-1-1 Shinjuku, Shinjuku-ku, Tokyo 160-8402, Japan
| | - Makoto Suematsu
- Department of Biochemistry, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-ku, Tokyo 160-8582, Japan
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28
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Bulmer AC, Bakrania B, Du Toit EF, Boon AC, Clark PJ, Powell LW, Wagner KH, Headrick JP. Bilirubin acts as a multipotent guardian of cardiovascular integrity: more than just a radical idea. Am J Physiol Heart Circ Physiol 2018; 315:H429-H447. [PMID: 29600900 DOI: 10.1152/ajpheart.00417.2017] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Bilirubin, a potentially toxic catabolite of heme and indicator of hepatobiliary insufficiency, exhibits potent cardiac and vascular protective properties. Individuals with Gilbert's syndrome (GS) may experience hyperbilirubinemia in response to stressors including reduced hepatic bilirubin excretion/increased red blood cell breakdown, with individuals usually informed by their clinician that their condition is of little consequence. However, GS appears to protect from all-cause mortality, with progressively elevated total bilirubin associated with protection from ischemic heart and chronic obstructive pulmonary diseases. Bilirubin may protect against these diseases and associated mortality by reducing circulating cholesterol, oxidative lipid/protein modifications, and blood pressure. In addition, bilirubin inhibits platelet activation and protects the heart from ischemia-reperfusion injury. These effects attenuate multiple stages of the atherosclerotic process in addition to protecting the heart during resultant ischemic stress, likely underpinning the profound reduction in cardiovascular mortality in hyperbilirubinemic GS. This review outlines our current knowledge of and uses for bilirubin in clinical medicine and summarizes recent progress in revealing the physiological importance of this poorly understood molecule. We believe that this review will be of significant interest to clinicians, medical researchers, and individuals who have GS.
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Affiliation(s)
- Andrew C Bulmer
- School of Medical Science and Menzies Health Institute Queensland, Griffith University , Gold Coast, Queensland , Australia
| | - Bhavisha Bakrania
- Department of Physiology and Biophysics, University of Mississippi Medical Centre , Jackson, Mississippi
| | - Eugene F Du Toit
- School of Medical Science and Menzies Health Institute Queensland, Griffith University , Gold Coast, Queensland , Australia
| | - Ai-Ching Boon
- School of Medical Science and Menzies Health Institute Queensland, Griffith University , Gold Coast, Queensland , Australia
| | - Paul J Clark
- QIMR-Berghofer Medical Research Institute, School of Medicine, University of Queensland and Princess Alexandra and Mater Hospitals , Brisbane, New South Wales , Australia
| | - Lawrie W Powell
- The Centre for the Advancement of Clinical Research, Royal Brisbane and Women's Hospital, The University of Queensland Centre for Clinical Research , Brisbane, Queensland , Australia
| | - Karl-Heinz Wagner
- Department of Nutritional Science, University of Vienna , Vienna , Austria
| | - John P Headrick
- School of Medical Science and Menzies Health Institute Queensland, Griffith University , Gold Coast, Queensland , Australia
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29
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Gill AJ, Garza R, Ambegaokar SS, Gelman BB, Kolson DL. Heme oxygenase-1 promoter region (GT)n polymorphism associates with increased neuroimmune activation and risk for encephalitis in HIV infection. J Neuroinflammation 2018; 15:70. [PMID: 29510721 PMCID: PMC5838989 DOI: 10.1186/s12974-018-1102-z] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2017] [Accepted: 02/21/2018] [Indexed: 12/13/2022] Open
Abstract
BACKGROUND Heme oxygenase-1 (HO-1) is a critical cytoprotective enzyme that limits oxidative stress, inflammation, and cellular injury within the central nervous system (CNS) and other tissues. We previously demonstrated that HO-1 protein expression is decreased within the brains of HIV+ subjects and that this HO-1 reduction correlates with CNS immune activation and neurocognitive dysfunction. To define a potential CNS protective role for HO-1 against HIV, we analyzed a well-characterized HIV autopsy cohort for two common HO-1 promoter region polymorphisms that are implicated in regulating HO-1 promoter transcriptional activity, a (GT)n dinucleotide repeat polymorphism and a single nucleotide polymorphism (A(-413)T). Shorter HO-1 (GT)n repeats and the 'A' SNP allele associate with higher HO-1 promoter activity. METHODS Brain dorsolateral prefrontal cortex tissue samples from an autopsy cohort of HIV-, HIV+, and HIV encephalitis (HIVE) subjects (n = 554) were analyzed as follows: HO-1 (GT)n polymorphism allele lengths were determined by PCR and capillary electrophoresis, A(-413)T SNP alleles were determined by PCR with allele specific probes, and RNA expression of selected neuroimmune markers was analyzed by quantitative PCR. RESULTS HIV+ subjects with shorter HO-1 (GT)n alleles had a significantly lower risk of HIVE; however, shorter HO-1 (GT)n alleles did not correlate with CNS or peripheral viral loads. In HIV+ subjects without HIVE, shorter HO-1 (GT)n alleles associated significantly with lower expression of brain type I interferon response markers (MX1, ISG15, and IRF1) and T-lymphocyte activation markers (CD38 and GZMB). No significant correlations were found between the HO-1 (GT)n repeat length and brain expression of macrophage markers (CD163, CD68), endothelial markers (PECAM1, VWF), the T-lymphocyte marker CD8A, or the B-lymphocyte maker CD19. Finally, we found no significant associations between the A(-413)T SNP and HIVE diagnosis, HIV viral loads, or any neuroimmune markers. CONCLUSION Our data suggest that an individual's HO-1 promoter region (GT)n polymorphism allele repeat length exerts unique modifying risk effects on HIV-induced CNS neuroinflammation and associated neuropathogenesis. Shorter HO-1 (GT)n alleles increase HO-1 promoter activity, which could provide neuroprotection through decreased neuroimmune activation. Therapeutic strategies that induce HO-1 expression could decrease HIV-associated CNS neuroinflammation and decrease the risk for development of HIV neurological disease.
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Affiliation(s)
- Alexander J. Gill
- Department of Neurology, Perelman School of Medicine, University of Pennsylvania, 415 Curie Boulevard, 280C Clinical Research Building, Philadelphia, PA 19104 USA
| | - Rolando Garza
- Department of Neurology, Perelman School of Medicine, University of Pennsylvania, 415 Curie Boulevard, 280C Clinical Research Building, Philadelphia, PA 19104 USA
| | - Surendra S. Ambegaokar
- Department of Botany & Microbiology, Robbins Program in Neuroscience, Ohio Wesleyan University, Delaware, OH 43016 USA
| | - Benjamin B. Gelman
- Department of Pathology, University of Texas Medical Branch, Galveston, TX 77555 USA
| | - Dennis L. Kolson
- Department of Neurology, Perelman School of Medicine, University of Pennsylvania, 415 Curie Boulevard, 280C Clinical Research Building, Philadelphia, PA 19104 USA
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30
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Chaves HV, do Val DR, Ribeiro KA, Lemos JC, Souza RB, Gomes FIF, da Cunha RMS, de Paulo Teixeira Pinto V, Filho GC, de Souza MHLP, Bezerra MM, de Castro Brito GA. Heme oxygenase-1/biliverdin/carbon monoxide pathway downregulates hypernociception in rats by a mechanism dependent on cGMP/ATP-sensitive K + channels. Inflamm Res 2018; 67:407-422. [PMID: 29362850 DOI: 10.1007/s00011-018-1133-z] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2017] [Revised: 12/14/2017] [Accepted: 01/17/2018] [Indexed: 12/15/2022] Open
Abstract
OBJECTIVE AND DESIGN To investigate the role of heme oxygenase-1 (HO-1), carbon monoxide (CO), and biliverdin (BVD) in the zymosan-induced TMJ arthritis in rats. MATERIALS AND METHODS Mechanical threshold was assessed before and 4 h after TMJ arthritis induction in rats. Cell influx, myeloperoxidase activity, and histological changes were measured in the TMJ lavages and tissues. Trigeminal ganglion and periarticular tissues were used for HO-1, TNF-α, and IL-1β mRNA time course expression and immunohistochemical analyses. Hemin (0.1, 0.3, or 1 mg kg-1), DMDC (0.025, 0.25, or 2.5 µmol kg-1), biliverdin (1, 3, or 10 mg kg-1), or ZnPP-IX (1, 3 or 9 mg kg-1) were injected (s.c.) 60 min before zymosan. ODQ (12.5 µmol kg-1; s.c.) or glibenclamide (10 mg kg-1; i.p.) was administered 1 h and 30 min prior to DMDC (2.5 µmol kg-1; s.c), respectively. RESULTS Hemin (1 mg kg-1), DMDC (2.5 µmol kg-1), and BVD (10 mg kg-1) reduced hypernociception and leukocyte migration, which ZnPP (3 mg kg-1) enhanced. The effects of DMDC were counteracted by ODQ and glibenclamide. The HO-1, TNF-α, and IL-1β mRNA expression and immunolabelling increased. CONCLUSIONS HO-1/BVD/CO pathway activation provides anti-nociceptive and anti-inflammatory effects on the zymosan-induced TMJ hypernociception in rats.
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Affiliation(s)
- Hellíada Vasconcelos Chaves
- Faculty of Dentistry of Sobral, Federal University of Ceará, Avenida Comandante Maurocélio Rocha Pontes, 100, Derby, Sobral, CEP: 62.042-280, Brazil.
| | - Danielle Rocha do Val
- Federal University of Pernambuco, North Eastern Biotechnology Network, Recife, Brazil
| | - Kátia Alves Ribeiro
- Master of Biotechnology Degree Programme, Federal University of Ceará, Sobral, Brazil
| | | | - Ricardo Basto Souza
- Master of Biotechnology Degree Programme, Federal University of Ceará, Sobral, Brazil
| | - Francisco Isaac Fernandes Gomes
- Faculty of Dentistry of Sobral, Federal University of Ceará, Avenida Comandante Maurocélio Rocha Pontes, 100, Derby, Sobral, CEP: 62.042-280, Brazil
| | | | | | | | | | | | - Gerly Anne de Castro Brito
- Department of Physiology and Pharmacology, Faculty of Medicine, Federal University of Ceará, Fortaleza, Brazil
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Huang Y, Ma T, Ye Z, Li H, Zhao Y, Chen W, Fu Y, Ye Z, Sun A, Li Z. Carbon monoxide (CO) inhibits hydrogen peroxide (H 2O 2)-induced oxidative stress and the activation of NF-κB signaling in lens epithelial cells. Exp Eye Res 2017; 166:29-39. [PMID: 29051011 DOI: 10.1016/j.exer.2017.08.016] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2017] [Revised: 08/22/2017] [Accepted: 08/23/2017] [Indexed: 01/20/2023]
Abstract
Lens epithelial cells (LECs) play a critical role in the maintenance of clear crystalline lens. Previously, we reported that heme oxygenase-1 can protect LECs from hydrogen peroxide (H2O2)-induced apoptosis and oxidative stress; however, to the best of our knowledge, these protection mechanisms have not yet been explained. As carbon monoxide (CO) is an active by-product of heme degradation, we investigated its cytoprotective mechanism in both H2O2-treated human LECs (SRA 01/04) and primary rabbit LECs. CO-releasing molecule-3 was used as a CO releasing vehicle. The nuclear translocation of nuclear factor kappa B (NF-κB) p65 was monitored by Western blot and immunofluorescence staining. In addition, the levels of intracellular reactive oxygen species (ROS), antioxidants, and apoptotic molecules (Bax, Bcl-2, and caspase-3) were measured. Furthermore, cell apoptosis rate was quantified by flow cytometry. Our results disclosed that low concentrations of CO released from CO-releasing molecule-3 can attenuate NF-κB p65 nuclear translocation, reduce ROS generation, and enhance intracellular glutathione and superoxide dismutase levels. Moreover, low concentrations of CO inhibited H2O2-induced apoptotic molecules, thereby decreasing the apoptosis of LECs. These findings suggest that low concentrations of CO protect LECs from H2O2-induced oxidative damage by attenuating NF-κB p65 nuclear translocation, reducing the generation of ROS and apoptotic molecules, and restoring antioxidant enzyme levels, thereby inhibiting LECs apoptosis.
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Affiliation(s)
- Yang Huang
- Department of Ophthalmology, The Chinese People's Liberation Army General Hospital, Beijing, China
| | - Tianju Ma
- Department of Ophthalmology, The Chinese People's Liberation Army General Hospital, Beijing, China
| | - Zi Ye
- Department of Ophthalmology, The Chinese People's Liberation Army General Hospital, Beijing, China
| | - Hang Li
- Medical Department, The First Hospital Affiliated to General Hospital of the Chinese People's Liberation Army, Beijing, China
| | - Yang Zhao
- Beijing Tongren Eye Centre, Beijing Tongren Hospital, Capital Medical University, Beijing, China
| | - Wenqian Chen
- Department of Ophthalmology, The Chinese People's Liberation Army General Hospital, Beijing, China
| | - Yu Fu
- Department of Ophthalmology, The Chinese People's Liberation Army General Hospital, Beijing, China
| | - Zheng Ye
- Medical School, Nankai University, Tianjin, China
| | - Ang Sun
- Medical School, Nankai University, Tianjin, China
| | - Zhaohui Li
- Department of Ophthalmology, The Chinese People's Liberation Army General Hospital, Beijing, China.
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Dai H, Wang M, Patel PN, Kalogeris T, Liu Y, Durante W, Korthuis RJ. Preconditioning with the BK Ca channel activator NS-1619 prevents ischemia-reperfusion-induced inflammation and mucosal barrier dysfunction: roles for ROS and heme oxygenase-1. Am J Physiol Heart Circ Physiol 2017; 313:H988-H999. [PMID: 28822969 DOI: 10.1152/ajpheart.00620.2016] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/13/2016] [Revised: 07/25/2017] [Accepted: 08/07/2017] [Indexed: 12/12/2022]
Abstract
Activation of large-conductance Ca2+-activated K+ (BKCa) channels evokes cell survival programs that mitigate intestinal ischemia and reperfusion (I/R) inflammation and injury 24 h later. The goal of the present study was to determine the roles of reactive oxygen species (ROS) and heme oxygenase (HO)-1 in delayed acquisition of tolerance to I/R induced by pretreatment with the BKCa channel opener NS-1619. Superior mesentery arteries were occluded for 45 min followed by reperfusion for 70 min in wild-type (WT) or HO-1-null (HO-1-/-) mice that were pretreated with NS-1619 or saline vehicle 24 h earlier. Intravital microscopy was used to quantify the numbers of rolling and adherent leukocytes. Mucosal permeability, tumor necrosis factor-α (TNF-α) levels, and HO-1 activity and expression in jejunum were also determined. I/R induced leukocyte rolling and adhesion, increased intestinal TNF-α levels, and enhanced mucosal permeability in WT mice, effects that were largely abolished by pretreatment with NS-1619. The anti-inflammatory and mucosal permeability-sparing effects of NS-1619 were prevented by coincident treatment with the HO-1 inhibitor tin protoporphyrin-IX or a cell-permeant SOD mimetic, Mn(III)tetrakis (4-benzoic acid) porphyrin (MnTBAP), in WT mice. NS-1619 also increased jejunal HO-1 activity in WT animals, an effect that was attenuated by treatment with the BKCa channel antagonist paxilline or MnTBAP. I/R also increased postischemic leukocyte rolling and adhesion and intestinal TNF-α levels in HO-1-/- mice to levels comparable to those noted in WT animals. However, NS-1619 was ineffective in preventing these effects in HO-1-deficient mice. In summary, our data indicate that NS-1619 induces the development of an anti-inflammatory phenotype and mitigates postischemic mucosal barrier disruption in the small intestine by a mechanism that may involve ROS-dependent HO-1 activity.NEW & NOTEWORTHY Antecedent treatment with the large-conductance Ca2+-activated K+ channel opener NS-1619 24 h before ischemia-reperfusion limits postischemic tissue injury by an oxidant-dependent mechanism. The present study shows that NS-1619-induced oxidant production prevents ischemia-reperfusion-induced inflammation and mucosal barrier disruption in the small intestine by provoking increases in heme oxygenase-1 activity.
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Affiliation(s)
- Hongyan Dai
- Department of Medical Pharmacology and Physiology and Dalton Cardiovascular Research Center, University of Missouri School of Medicine, Columbia, Missouri
| | - Meifang Wang
- Department of Medical Pharmacology and Physiology and Dalton Cardiovascular Research Center, University of Missouri School of Medicine, Columbia, Missouri
| | - Parag N Patel
- Department of Medical Pharmacology and Physiology and Dalton Cardiovascular Research Center, University of Missouri School of Medicine, Columbia, Missouri
| | - Theodore Kalogeris
- Department of Medical Pharmacology and Physiology and Dalton Cardiovascular Research Center, University of Missouri School of Medicine, Columbia, Missouri
| | - Yajun Liu
- Department of Medical Pharmacology and Physiology and Dalton Cardiovascular Research Center, University of Missouri School of Medicine, Columbia, Missouri
| | - William Durante
- Department of Medical Pharmacology and Physiology and Dalton Cardiovascular Research Center, University of Missouri School of Medicine, Columbia, Missouri
| | - Ronald J Korthuis
- Department of Medical Pharmacology and Physiology and Dalton Cardiovascular Research Center, University of Missouri School of Medicine, Columbia, Missouri
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Vogel ME, Idelman G, Konaniah ES, Zucker SD. Bilirubin Prevents Atherosclerotic Lesion Formation in Low-Density Lipoprotein Receptor-Deficient Mice by Inhibiting Endothelial VCAM-1 and ICAM-1 Signaling. J Am Heart Assoc 2017; 6:JAHA.116.004820. [PMID: 28365565 PMCID: PMC5532999 DOI: 10.1161/jaha.116.004820] [Citation(s) in RCA: 57] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Background Numerous epidemiological studies support an inverse association between serum bilirubin levels and the incidence of cardiovascular disease; however, the mechanism(s) by which bilirubin may protect against atherosclerosis is undefined. The goals of the present investigations were to assess the ability of bilirubin to prevent atherosclerotic plaque formation in low‐density lipoprotein receptor‐deficient (Ldlr−/−) mice and elucidate the molecular processes underlying this effect. Methods and Results Bilirubin, at physiological concentrations (≤20 μmol/L), dose‐dependently inhibits THP‐1 monocyte migration across tumor necrosis factor α–activated human umbilical vein endothelial cell monolayers without altering leukocyte binding or cytokine production. A potent antioxidant, bilirubin effectively blocks the generation of cellular reactive oxygen species induced by the cross‐linking of endothelial vascular cell adhesion molecule 1 (VCAM‐1) or intercellular adhesion molecule 1 (ICAM‐1). These findings were validated by treating cells with blocking antibodies or with specific inhibitors of VCAM‐1 and ICAM‐1 signaling. When administered to Ldlr−/− mice on a Western diet, bilirubin (30 mg/kg intraperitoneally) prevents atherosclerotic plaque formation, but does not alter circulating cholesterol or chemokine levels. Aortic roots from bilirubin‐treated animals exhibit reduced lipid and collagen deposition, decreased infiltration of monocytes and lymphocytes, fewer smooth muscle cells, and diminished levels of chlorotyrosine and nitrotyrosine, without changes in VCAM‐1 or ICAM‐1 expression. Conclusions Bilirubin suppresses atherosclerotic plaque formation in Ldlr−/− mice by disrupting endothelial VCAM‐1‐ and ICAM‐1‐mediated leukocyte migration through the scavenging of reactive oxygen species signaling intermediaries. These findings suggest a potential mechanism for the apparent cardioprotective effects of bilirubin.
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Affiliation(s)
- Megan E Vogel
- Division of Digestive Diseases, Department of Internal Medicine, University of Cincinnati College of Medicine, Cincinnati, OH
| | - Gila Idelman
- Division of Digestive Diseases, Department of Internal Medicine, University of Cincinnati College of Medicine, Cincinnati, OH
| | - Eddy S Konaniah
- Department of Pathology and Laboratory Medicine, Metabolic Disease Institute, University of Cincinnati College of Medicine, Cincinnati, OH
| | - Stephen D Zucker
- Division of Digestive Diseases, Department of Internal Medicine, University of Cincinnati College of Medicine, Cincinnati, OH
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Overexpression of Heme Oxygenase-1 in Mesenchymal Stem Cells Augments Their Protection on Retinal Cells In Vitro and Attenuates Retinal Ischemia/Reperfusion Injury In Vivo against Oxidative Stress. Stem Cells Int 2017; 2017:4985323. [PMID: 28255307 PMCID: PMC5309411 DOI: 10.1155/2017/4985323] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2016] [Revised: 11/26/2016] [Accepted: 12/21/2016] [Indexed: 01/08/2023] Open
Abstract
Retinal ischemia/reperfusion (I/R) injury, involving several ocular diseases, seriously threatens human ocular health, mainly treated by attenuating I/R-induced oxidative stress. Currently, mesenchymal stem cells (MSCs) could restore I/R-injured retina through paracrine secretion. Additionally, heme oxygenase-1 (HO-1) could ameliorate oxidative stress and thus retinal apoptosis, but the expression of HO-1 in MSC is limited. Here, we hypothesized that overexpression of HO-1 in MSC (MSC-HO-1) may significantly improve their retina-protective potentials. The overexpression of HO-1 in MSC was achieved by lentivirus transduction. Then, MSC or MSC-HO-1 was cocultured with retinal ganglion cells (RGC-5) in H2O2-simulated oxidative condition and their protection on RGC-5 was systemically valuated in vitro. Compared with MSC, MSC-HO-1 significantly attenuated H2O2-induced injury of RGC-5, including decrease in cellular ROS level and apoptosis, activation of antiapoptotic proteins p-Akt and Bcl-2, and blockage of proapoptotic proteins cleaved caspase 3 and Bax. In retinal I/R rats model, compared with control MSC, MSC-HO-1-treated retina significantly retrieved its structural thickness, reduced cell apoptosis, markedly attenuated retinal oxidative stress level, and largely regained the activities of typical antioxidant enzymes, SOD and CAT. Therefore, it could be concluded that overexpression of HO-1 provides a promising strategy to enhance the MSC-based therapy for I/R-related retinal injury.
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Hussain MS, Qureshi AI, Kirmani JF, Divani AA, Hopkins LN. Development of Vascular Biology over the past 10 Years: Heme Oxygenase-1 in Cardiovascular Homeostasis. J Endovasc Ther 2016; 11 Suppl 2:II32-42. [PMID: 15760262 DOI: 10.1177/15266028040110s616] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
The study of vascular biology has provided strong evidence for the role that free radical attack plays in the pathogenesis of cardiovascular diseases. The endothelial cell (EC) dysfunction that results from exposure to oxidative stresses, such as oxidized LDL, influences vascular cell gene expression, promoting smooth muscle cell (SMC) mitogenesis and apoptosis. These factors also play an important role in atherogenesis, which is attenuated by antioxidants. Thus, antioxidants are important to understanding the pathophysiology of cardiovascular diseases and to constructing an effective treatment strategy for these patients. Over the last decade, there has been a tremendous interest in the biology of heme oxygenase-1 (HO-1), which exhibits antioxidant effects in various forms of tissue injury. Moreover, the reaction is also the major source of carbon dioxide (CO) in the body, which is a physiologically important gaseous vasodilator that inhibits SMC proliferation. Thus, HO-1–derived products provide various mechanisms to maintain cardiovascular homeostasis. We review recent work on the cellular and molecular biological aspects of the HO/CO system in vascular pathophysiology.
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Affiliation(s)
- M Shazam Hussain
- Zeenat Qureshi Stroke Research Center, Department of Neurology and Neurosciences, University of Medicine and Dentistry of New Jersey, Newark, New Jersey 07101, USA
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Kerasioti E, Stagos D, Tzimi A, Kouretas D. Increase in antioxidant activity by sheep/goat whey protein through nuclear factor-like 2 (Nrf2) is cell type dependent. Food Chem Toxicol 2016; 97:47-56. [PMID: 27554596 DOI: 10.1016/j.fct.2016.08.022] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2016] [Revised: 07/30/2016] [Accepted: 08/18/2016] [Indexed: 12/17/2022]
Abstract
The aim of the present study was to investigate the molecular mechanisms through which sheep/goat whey protein exerts its antioxidant activity. Thus, it was examined whey protein's effects on the expression of transcription factor, nuclear factor-like 2 (Nrf2) and on the expression and activity of a number of antioxidant and phase II enzymes, superoxide dismutase (SOD), catalase (CAT), heme oxygenase 1 (HO-1), synthase glutamyl cysteine (GCS) and glutathione-s-transferase (GST), in muscle C2C12 and EA.hy926 endothelial cells. C2C12 and EA.hy926 cells were treated with sheep/goat whey protein (0.78 and 3.12 mg/ml) and incubated for 3, 6, 12, 18 and 24 h. Whey protein increased significantly the expression of Nrf2 only in EA.hy926 cells. Also, the expression of SOD, HO-1, CAT and the activity of SOD, CAT and GST were increased significantly in both cells types. The expression of GCS was increased significantly only in C2C12 cells. Sheep/goat whey protein was shown for the first time to exert its antioxidant activity through Nrf2-dependent mechanism in endothelial cells and Nrf2-independent mechanism in muscle cells. Thus, Nrf2 could be a target for food supplements containing whey protein in order to prevent oxidative stress damages and diseases related to endothelium.
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Affiliation(s)
- Efthalia Kerasioti
- Department of Biochemistry-Biotechnology, University of Thessaly, Larissa 41221, Greece.
| | - Dimitrios Stagos
- Department of Biochemistry-Biotechnology, University of Thessaly, Larissa 41221, Greece.
| | - Aggeliki Tzimi
- Department of Biochemistry-Biotechnology, University of Thessaly, Larissa 41221, Greece.
| | - Dimitrios Kouretas
- Department of Biochemistry-Biotechnology, University of Thessaly, Larissa 41221, Greece.
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Heyninck K, Sabbe L, Chirumamilla CS, Szarc vel Szic K, Vander Veken P, Lemmens KJ, Lahtela-Kakkonen M, Naulaerts S, Op de Beeck K, Laukens K, Van Camp G, Weseler AR, Bast A, Haenen GR, Haegeman G, Vanden Berghe W. Withaferin A induces heme oxygenase (HO-1) expression in endothelial cells via activation of the Keap1/Nrf2 pathway. Biochem Pharmacol 2016; 109:48-61. [DOI: 10.1016/j.bcp.2016.03.026] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2016] [Accepted: 03/31/2016] [Indexed: 01/06/2023]
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Maeda H, Yoshida KI. Intermittent hypoxia upregulates hepatic heme oxygenase-1 and ferritin-1, thereby limiting hepatic pathogenesis in rats fed a high-fat diet. Free Radic Res 2016; 50:720-31. [PMID: 27021659 DOI: 10.3109/10715762.2016.1170125] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
Non-alcoholic fatty liver disease (NAFLD) is prevalent in patients with sleep apnea syndrome (SAS). Intermittent hypoxia (IH) and a high-fat diet (HFD) reproduce SAS and NAFLD, respectively, in rodents. In this study, rats were fed either an HFD or a standard diet (SD) for 2 weeks, and breathed either IH air or normoxic air for 4 days (early phase) or 6 weeks (late phase), with the same diets maintained during the exposure. HFD increased hepatic lipid accumulation, as detected by oil-red staining and triglyceride content. However, IH exposure reversed the hepatic steatosis at the late phase in these HFD-rats. IH exposure also increased hepatic expression of HO-1 and iron-binding protein ferritin-1 at the late phase, in association with increase in serum iron, bilirubin, and hepatic levels of lipid peroxides, such as 4-hydroxy-2-nonenal (HNE). IH exposure increased serum levels of hemoglobin (Hb) at the early phase and immunofluorescence of Hb and HO-1 in CD68-positive Kupffer cells (KCs) at the late phase. These findings support that IH induces erythrocytosis, erythro-phagocytosis, and generation of Hb in the KCs. The Hb promotes HO-1 expression in KCs, thereby produces iron, bilirubin, and carbon monoxide (CO). The iron would be either sequestrated by ferritin-1, transferred to the bone marrow for erythropoiesis, or would produce hydroxyradicals and HNE in the liver of rats fed an HFD. HNE might also contribute to the upregulation of HO-1, transferrin-1, and IκB, thereby limiting hepatic steatosis and inflammation via inhibition of nuclear factor κB (NFκB) activation.
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Affiliation(s)
- Hideyuki Maeda
- a Department of Forensic Medicine , Tokyo Medical University , Shinjyuku-ku , Tokyo , Japan
| | - Ken-Ichi Yoshida
- a Department of Forensic Medicine , Tokyo Medical University , Shinjyuku-ku , Tokyo , Japan
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Akagi R, Akagi M, Hatori Y, Inouye S. Prevention of Barrier Disruption by Heme Oxygenase-1 in Intestinal Bleeding Model. Biol Pharm Bull 2016; 39:1007-12. [DOI: 10.1248/bpb.b15-01028] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Affiliation(s)
- Reiko Akagi
- Department of Pharmacy, Faculty of Pharmacy, Yasuda Women’s University
| | - Masaaki Akagi
- Department of Pharmacology, Faculty of Pharmaceutical Science, Tokushima Bunri University
| | - Yuta Hatori
- Department of Pharmacy, Faculty of Pharmacy, Yasuda Women’s University
| | - Sachiye Inouye
- Department of Pharmacy, Faculty of Pharmacy, Yasuda Women’s University
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Negi G, Nakkina V, Kamble P, Sharma SS. Heme oxygenase-1, a novel target for the treatment of diabetic complications: focus on diabetic peripheral neuropathy. Pharmacol Res 2015; 102:158-67. [PMID: 26432957 DOI: 10.1016/j.phrs.2015.09.014] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/28/2015] [Revised: 09/01/2015] [Accepted: 09/18/2015] [Indexed: 01/07/2023]
Abstract
Diabetic neuropathy is a complex disorder induced by long standing diabetes. Many signaling pathways and transcription factors have been proposed to be involved in the development and progression of related processes. Years of research points to critical role of oxidative stress, neuroinflammation and apoptosis in the pathogenesis of neuropathy in diabetes. Heme oxygenase-1 (HO-1) is heat-shock protein induced under conditions of different kinds of stress and has been implicated in cellular defense against oxidative stress. HO-1 degrades heme to biliverdin, carbon monoxide (CO) and free iron. Biliverdin and CO are gaining particular interest because these two have been found to mediate most of anti-inflammatory, antioxidant and anti-apoptotic effects of HO-1. Although extensively studied in different kinds of cancers and cardiovascular conditions, role of HO-1 in diabetic neuropathy is still under investigation. In this paper, we review the unique therapeutic potential of HO-1 and its role in mitigating various pathological processes that lead to diabetic neuropathy. This review also highlights the therapeutic approaches such as pharmacological and natural inducers of HO-1, gene delivery of HO-1 or its reaction products that in future, could lead to progression of HO-1 activators through the preclinical stages of drug development to clinical trials.
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Affiliation(s)
- Geeta Negi
- Molecular Neuropharmacology Laboratory, Department of Pharmacology and Toxicology, National Institute of Pharmaceutical Education and Research (NIPER), Punjab, India
| | - Vanaja Nakkina
- Molecular Neuropharmacology Laboratory, Department of Pharmacology and Toxicology, National Institute of Pharmaceutical Education and Research (NIPER), Punjab, India
| | - Pallavi Kamble
- Molecular Neuropharmacology Laboratory, Department of Pharmacology and Toxicology, National Institute of Pharmaceutical Education and Research (NIPER), Punjab, India
| | - Shyam S Sharma
- Molecular Neuropharmacology Laboratory, Department of Pharmacology and Toxicology, National Institute of Pharmaceutical Education and Research (NIPER), Punjab, India.
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Loboda A, Jozkowicz A, Dulak J. HO-1/CO system in tumor growth, angiogenesis and metabolism - Targeting HO-1 as an anti-tumor therapy. Vascul Pharmacol 2015; 74:11-22. [PMID: 26392237 DOI: 10.1016/j.vph.2015.09.004] [Citation(s) in RCA: 136] [Impact Index Per Article: 15.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2015] [Revised: 09/02/2015] [Accepted: 09/16/2015] [Indexed: 02/08/2023]
Abstract
Heme oxygenase-1 (HO-1, hmox-1) catalyzes the rate-limiting step in the heme degradation processes. Out of three by-products of HO-1 activity, biliverdin, iron ions and carbon monoxide (CO), the latter was mostly shown to mediate many beneficial HO-1 effects, including protection against oxidative injury, regulation of apoptosis, modulation of inflammation as well as contribution to angiogenesis. Mounting evidence suggests that HO-1/CO systemmay be of special benefit in protection inmany pathological conditions, like atherosclerosis or myocardial infarction. By contrast, the augmented expression of HO-1 in tumor tissues may have detrimental effect as HO-1 accelerates the formation of tumor neovasculature and provides the selective advantage for tumor cells to overcome the increased oxidative stress during tumorigenesis and during treatment. The inhibition of HO-1 has been proposed as an anti-cancer therapy, however, because of non-specific effects of known HO-1 inhibitors, the discovery of ideal drug lowering HO-1 expression/activity is still an open question. Importantly, in several types of cancer HO-1/CO system exerts opposite activities, making the possible treatment more complicated. All together indicates the complex role for HO-1/CO in various in vitro and in vivo conditions.
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Affiliation(s)
- Agnieszka Loboda
- Department of Medical Biotechnology, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, Gronostajowa 7, 30-387 Krakow, Poland; Malopolska Centre of Biotechnology, Jagiellonian University, Gronostajowa 7, 30-387 Krakow, Poland.
| | - Alicja Jozkowicz
- Department of Medical Biotechnology, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, Gronostajowa 7, 30-387 Krakow, Poland
| | - Jozef Dulak
- Department of Medical Biotechnology, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, Gronostajowa 7, 30-387 Krakow, Poland; Malopolska Centre of Biotechnology, Jagiellonian University, Gronostajowa 7, 30-387 Krakow, Poland.
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Shie PH, Huang SS, Deng JS, Huang GJ. Spiranthes sinensis Suppresses Production of Pro-Inflammatory Mediators by Down-Regulating the NF-κB Signaling Pathway and Up-Regulating HO-1/Nrf2 Anti-Oxidant Protein. THE AMERICAN JOURNAL OF CHINESE MEDICINE 2015. [DOI: 10.1142/s0192415x15500561] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
Spiranthes sinensis is an east Asian wild orchid used in Chinese folk medicine. In this study, an ethyl acetate fraction from S. sinensis(SSE) was found to suppress the production of LPS-stimulated inflammatory mediators in RAW264.7 cells and BALB/c mice. SSE inhibited the production of pro-inflammatory mediators such as nitric oxide (NO), prostaglandin E2 (PGE2), tumo necrosis factor-α (TNF-α), IL-1β, and IL-6 in LPS-stimulated RAW264.7 cells. SSE also significantly suppressed LPS-stimulated protein levels of iNOS and mPGES-1 by blocking IκB phosphorylation, NF-κB nuclear translocation, and MAPKs phosphorylation. In addition, SSE treatment also enhanced protein levels of HO-1 and anti-oxidant enzymes (SOD-1, CAT, and GPx-1) through the nuclear translocation of Nrf2 in LPS-stimulated RAW264.7 cells. In vivo, we demonstrated that SSE attenuated the levels of pro-inflammatory mediators (NO, TNF-α, IL-1β, and IL-6), ALT, and AST in the serum of LPS-stimulated BALB/c mice. Western blotting revealed that SSE enhanced HO-1 expression in lung and liver tissue after LPS injection in mice. These results suggest that the anti-inflammatory properties of SSE involve the suppression of iNOS, mPGES-1, and inflammatory mediators by inducing the HO-1 pathway in LPS-stimulated RAW264.7 cells and BALB/c mice.
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Affiliation(s)
- Pei-Hsin Shie
- Department of Chinese Pharmaceutical Sciences and Chinese Medicine Resources, China Medical University, Taichung, Taiwan
| | | | - Jeng-Shyan Deng
- Department of Health and Nutrition Biotechnology, Asia University, Taichung, Taiwan
| | - Guan-Jhong Huang
- Department of Chinese Pharmaceutical Sciences and Chinese Medicine Resources, China Medical University, Taichung, Taiwan
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Fredenburgh LE, Merz AA, Cheng S. Haeme oxygenase signalling pathway: implications for cardiovascular disease. Eur Heart J 2015; 36:1512-8. [PMID: 25827602 PMCID: PMC4475572 DOI: 10.1093/eurheartj/ehv114] [Citation(s) in RCA: 62] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/08/2015] [Revised: 02/25/2015] [Accepted: 03/19/2015] [Indexed: 01/04/2023] Open
Abstract
Evidence now points to the haeme oxygenase (HO) pathway as a possible actor in modulating risk for cardiovascular disease (CVD). In particular, the HO pathway may represent a key endogenous modulator of oxidative, inflammatory, and cytotoxic stress while also exhibiting vasoregulatory properties. In this review, we summarize the accumulating experimental and emerging clinical data indicating how activity of the HO pathway and its products may play a role in mechanisms underlying the development of CVD. We also identify gaps in the literature to date and suggest future directions for investigation. Because HO pathway activity can be influenced not only by genetic traits and environmental stimuli but also by a variety of existing pharmacologic interventions, the pathway could serve as a prime target for reducing the overall burden of CVD. Further work is needed to determine the role of HO pathway products as possible prognostic markers of risk for clinical CVD events and the extent to which therapeutic augmentation or inhibition of HO pathway activity could serve to modify CVD risk.
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Affiliation(s)
- Laura E Fredenburgh
- Division of Pulmonary and Critical Care Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
| | - Allison A Merz
- Division of Cardiovascular Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
| | - Susan Cheng
- Division of Cardiovascular Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA Framingham Heart Study, Framingham, MA, USA
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Katada K, Takagi T, Uchiyama K, Naito Y. Therapeutic roles of carbon monoxide in intestinal ischemia-reperfusion injury. J Gastroenterol Hepatol 2015; 30 Suppl 1:46-52. [PMID: 25827804 DOI: 10.1111/jgh.12742] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Intestinal ischemia-reperfusion (I-R) injury is a complex, multifactorial, pathophysiological process with high morbidity and mortality, leading to serious difficulty in treatment. The mechanisms involved in the pathogenesis of intestinal I-R injury have been examined in detail and various therapeutic approaches for intestinal I-R injury have been developed; however, existing circumstances have not yet led to a dramatic change of treatment. Carbon monoxide (CO), one of the by-products of heme degradation by heme oxygenase (HO), is considered as a candidate for treatment of intestinal I-R injury and indeed HO-1-derived endogenous CO and exogenous CO play a pivotal role in protecting the gastrointestinal tract from intestinal I-R injury. Interestingly, anti-inflammatory effects of CO have been elucidated sufficiently in various cell types including endothelial cells, circulating leukocytes, macrophages, lymphocytes, epithelial cells, fibroblast, organ-specific cells, and immune-presenting cells. In this review, we herein focus on the therapeutic roles of CO in intestinal I-R injury and the cell-specific anti-inflammatory effects of CO, clearly demonstrating future therapeutic strategies of CO for treating intestine I-R injury.
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Affiliation(s)
- Kazuhiro Katada
- Molecular Gastroenterology and Hepatology, Graduate School of Medial Science, Kyoto Prefectural University of Medicine, Kyoto, Japan
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Kanzaki H, Shinohara F, Kajiya M, Fukaya S, Miyamoto Y, Nakamura Y. Nuclear Nrf2 induction by protein transduction attenuates osteoclastogenesis. Free Radic Biol Med 2014; 77:239-48. [PMID: 25224039 DOI: 10.1016/j.freeradbiomed.2014.09.006] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/28/2014] [Revised: 08/26/2014] [Accepted: 09/05/2014] [Indexed: 12/30/2022]
Abstract
It has been reported that reactive oxygen species (ROS) play a role as intracellular signaling molecules in RANKL stimulation. Previously we demonstrated that induction of cytoprotective enzyme expression by Nrf2-gene transfer successfully ameliorated RANKL-dependent osteoclastogenesis. In the present study, we hypothesized that Nrf2 activation by inhibiting ubiquitination and degradation of Nrf2 by ETGE-peptide would induce Nrf2-dependent cytoprotective enzyme expression, attenuate ROS signaling, and thereby inhibit RANKL-dependent osteoclastogenesis. ETGE-peptide containing a cell-permeable sequence (seven consecutive arginine; 7R-ETGE) was applied to a mouse macrophage cell-line RAW 264.7 cell or a primary macrophage culture. ETGE-peptide prevents Keap1 from binding to Nrf2. Nrf2 nuclear translocation and Nrf2-dependent cytoprotective enzyme induction was observed. The effects of 7R-ETGE on RANKL-dependent induction of intracellular ROS levels and osteoclastogenesis were examined. Finally, the protective effect of 7R-ETGE on RANKL-mediated bone destruction was investigated in mice. 7R-ETGE dose-dependently induced nuclear Nrf2, followed by the induction of cytoprotective enzyme expression at both the gene and protein level. 7R-ETGE inhibited upregulation of intracellular ROS levels by RANKL stimulation, and osteoclastogenesis was attenuated. Of particular interest was that local injection of 7R-ETGE ameliorated RANKL-mediated bone destruction. Local induction of nuclear Nrf2 by protein transduction is a potential novel therapeutic target for bone destruction diseases such as periodontitis and rheumatoid arthritis.
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Affiliation(s)
- Hiroyuki Kanzaki
- Tohoku University Hospital, Maxillo-Oral Disorders; Department of orthodontics, School of Dental Medicine, Tsurumi University 2-1-3 Tsurumi, Tsurumi-ku, Yokohama, Kanagawa 230-8501, Japan.
| | - Fumiaki Shinohara
- Tohoku University Graduate School of Dentistry, Oral MicrobiologySendai, Miyagi 980-8577, Japan
| | - Mikihito Kajiya
- Department of Periodontal Medicine, Division of Applied Life Science, Hiroshima University Graduate School of Biomedical & Health Sciences Hiroshima University, Hiroshima, Japan
| | - Sari Fukaya
- Department of orthodontics, School of Dental Medicine, Tsurumi University 2-1-3 Tsurumi, Tsurumi-ku, Yokohama, Kanagawa 230-8501, Japan
| | - Yutaka Miyamoto
- Department of orthodontics, School of Dental Medicine, Tsurumi University 2-1-3 Tsurumi, Tsurumi-ku, Yokohama, Kanagawa 230-8501, Japan
| | - Yoshiki Nakamura
- Department of orthodontics, School of Dental Medicine, Tsurumi University 2-1-3 Tsurumi, Tsurumi-ku, Yokohama, Kanagawa 230-8501, Japan
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Baker TG, Roy S, Brandon CS, Kramarenko IK, Francis SP, Taleb M, Marshall KM, Schwendener R, Lee FS, Cunningham LL. Heat shock protein-mediated protection against Cisplatin-induced hair cell death. J Assoc Res Otolaryngol 2014; 16:67-80. [PMID: 25261194 DOI: 10.1007/s10162-014-0491-7] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2014] [Accepted: 09/16/2014] [Indexed: 12/20/2022] Open
Abstract
Cisplatin is a highly successful and widely used chemotherapy for the treatment of various solid malignancies in both adult and pediatric patients. Side effects of cisplatin treatment include nephrotoxicity and ototoxicity. Cisplatin ototoxicity results from damage to and death of cells in the inner ear, including sensory hair cells. We showed previously that heat shock inhibits cisplatin-induced hair cell death in whole-organ cultures of utricles from adult mice. Since heat shock protein 70 (HSP70) is the most upregulated HSP in response to heat shock, we investigated the role of HSP70 as a potential protectant against cisplatin-induced hair cell death. Our data using utricles from HSP70 (-/-) mice indicate that HSP70 is necessary for the protective effect of heat shock against cisplatin-induced hair cell death. In addition, constitutive expression of inducible HSP70 offered modest protection against cisplatin-induced hair cell death. We also examined a second heat-inducible protein, heme oxygenase-1 (HO-1, also called HSP32). HO-1 is an enzyme responsible for the catabolism of free heme. We previously showed that induction of HO-1 using cobalt protoporphyrin IX (CoPPIX) inhibits aminoglycoside-induced hair cell death. Here, we show that HO-1 also offers significant protection against cisplatin-induced hair cell death. HO-1 induction occurred primarily in resident macrophages, with no detectable expression in hair cells or supporting cells. Depletion of macrophages from utricles abolished the protective effect of HO-1 induction. Together, our data indicate that HSP induction protects against cisplatin-induced hair cell death, and they suggest that resident macrophages mediate the protective effect of HO-1 induction.
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Affiliation(s)
- Tiffany G Baker
- Department of Pathology and Laboratory Medicine, Medical University of South Carolina, 165 Ashley Ave, Charleston, SC, 29425, USA
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Association of heme oxygenase 1 with the restoration of liver function after damage in murine malaria by Plasmodium yoelii. Infect Immun 2014; 82:3113-26. [PMID: 24818663 DOI: 10.1128/iai.01598-14] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023] Open
Abstract
The liver efficiently restores function after damage induced during malarial infection once the parasites are cleared from the blood. However, the molecular events leading to the restoration of liver function after malaria are still obscure. To study this, we developed a suitable model wherein mice infected with Plasmodium yoelii (45% parasitemia) were treated with the antimalarial α/β-arteether to clear parasites from the blood and, subsequently, restoration of liver function was monitored. Liver function tests clearly indicated that complete recovery of liver function occurred after 25 days of parasite clearance. Analyses of proinflammatory gene expression and neutrophil infiltration further indicated that hepatic inflammation, which was induced immediately after parasite clearance from the blood, was gradually reduced. Moreover, the inflammation in the liver after parasite clearance was found to be correlated positively with oxidative stress and hepatocyte apoptosis. We investigated the role of heme oxygenase 1 (HO-1) in the restoration of liver function after malaria because HO-1 normally renders protection against inflammation, oxidative stress, and apoptosis under various pathological conditions. The expression and activity of HO-1 were found to be increased significantly after parasite clearance. We even found that chemical silencing of HO-1 by use of zinc protoporphyrin enhanced inflammation, oxidative stress, hepatocyte apoptosis, and liver injury. In contrast, stimulation of HO-1 by cobalt protoporphyrin alleviated liver inflammation and reduced oxidative stress, hepatocyte apoptosis, and associated tissue injury. Therefore, we propose that selective induction of HO-1 in the liver would be beneficial for the restoration of liver function after parasite clearance.
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Abstract
This review highlights the protective roles of bilirubin against the atherosclerotic process. Bilirubin belongs to the superfamily of tetrapyrrolic compounds formed during heme catabolism. Although for decades bilirubin was considered to be a harmful waste product, recent epidemiologic studies have shown that serum bilirubin levels have consistently been inversely associated with cardiovascular disease (CVD), as well as cardiovascular risk factors such as metabolic syndrome and diabetes. These clinical studies are supported by in vitro and in vivo experimental data and have demonstrated that bilirubin not only has an ability to scavenge overproduced reactive oxygen species and inhibit vascular smooth muscle cell proliferation but, additionally, has anti-inflammatory effects. In this review, we will discuss the inverse association of serum bilirubin and CVD and cardiovascular risk factors established in various clinical studies. We also review detailed experimental studies about the effect of bilirubin on atherosclerotic processes. In vitro, animal and human studies have proved that bilirubin inhibits oxidation of cholesterol which is an important step of atherosclerosis. Bilirubin attenuates chemotactic activity of monocytes and strongly inhibits adhesion of leukocytes to venule and production of pro-inflammatory cytokines. Bilirubin has inhibited serum-driven smooth muscle cell cycle progression at the G1 phase. Lastly, we will discuss briefly the influence of bilirubin on lipoprotein composition and endothelial dysfunction.
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Affiliation(s)
- Seung Joo Kang
- Department of Internal Medicine, Healthcare Research Institute, Seoul National University, Hospital Healthcare System Gangnam Center , Seoul , Korea
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Calay D, Mason JC. The multifunctional role and therapeutic potential of HO-1 in the vascular endothelium. Antioxid Redox Signal 2014; 20:1789-809. [PMID: 24131232 DOI: 10.1089/ars.2013.5659] [Citation(s) in RCA: 55] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
SIGNIFICANCE Heme oxygenases (HO-1 and HO-2) catalyze the degradation of the pro-oxidant heme into carbon monoxide (CO), iron, and biliverdin, which is subsequently converted to bilirubin. In the vasculature, particular interest has focused on antioxidant and anti-inflammatory properties of the inducible HO-1 isoform in the vascular endothelium. This review will present evidence that illustrates the potential therapeutic significance of HO-1 and its products, with special emphasis placed on their beneficial effects on the endothelium in vascular diseases. RECENT ADVANCES The understanding of the molecular basis for the regulation and functions of HO-1 has led to the identification of a variety of drugs that increase HO-1 activity in the vascular endothelium. Moreover, therapeutic delivery of HO-1 products CO, biliverdin, and bilirubin has been shown to have favorable effects, notably on endothelial cells and in animal models of vascular disease. CRITICAL ISSUES To date, mechanistic data identifying the downstream target genes utilized by HO-1 and its products to exert their actions remain relatively sparse. Likewise, studies in man to investigate the efficacy of therapeutics known to induce HO-1 or the consequences of the tissue-specific delivery of CO or biliverdin/bilirubin are rarely performed. FUTURE DIRECTIONS Based on the promising in vivo data from animal models, clinical trials to explore the safety and efficacy of the therapeutic induction of HO-1 and the delivery of its products should now be pursued further, targeting, for example, patients with severe atherosclerotic disease, ischemic limbs, restenosis injury, or at high risk of organ rejection.
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Affiliation(s)
- Damien Calay
- Vascular Sciences Unit, National Heart and Lung Institute , Imperial Centre for Translational & Experimental Medicine, Imperial College London Hammersmith Hospital, London, United Kingdom
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Dunn LL, Midwinter RG, Ni J, Hamid HA, Parish CR, Stocker R. New insights into intracellular locations and functions of heme oxygenase-1. Antioxid Redox Signal 2014; 20:1723-42. [PMID: 24180287 PMCID: PMC3961787 DOI: 10.1089/ars.2013.5675] [Citation(s) in RCA: 121] [Impact Index Per Article: 12.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/10/2013] [Accepted: 11/01/2013] [Indexed: 01/09/2023]
Abstract
SIGNIFICANCE Heme oxygenase-1 (HMOX1) plays a critical role in the protection of cells, and the inducible enzyme is implicated in a spectrum of human diseases. The increasing prevalence of cardiovascular and metabolic morbidities, for which current treatment approaches are not optimal, emphasizes the necessity to better understand key players such as HMOX1 that may be therapeutic targets. RECENT ADVANCES HMOX1 is a dynamic protein that can undergo post-translational and structural modifications which modulate HMOX1 function. Moreover, trafficking from the endoplasmic reticulum to other cellular compartments, including the nucleus, highlights that HMOX1 may play roles other than the catabolism of heme. CRITICAL ISSUES The ability of HMOX1 to be induced by a variety of stressors, in an equally wide variety of tissues and cell types, represents an obstacle for the therapeutic exploitation of the enzyme. Any capacity to modulate HMOX1 in cardiovascular and metabolic diseases should be tempered with an appreciation that HMOX1 may have an impact on cancer. Moreover, the potential for heme catabolism end products, such as carbon monoxide, to amplify the HMOX1 stress response should be considered. FUTURE DIRECTIONS A more complete understanding of HMOX1 modifications and the properties that they impart is necessary. Delineating these parameters will provide a clearer picture of the opportunities to modulate HMOX1 in human disease.
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Affiliation(s)
- Louise L. Dunn
- Vascular Biology Division, The Victor Chang Cardiac Research Institute, Darlinghurst, Australia
- Faculty of Medicine, The University of New South Wales, Sydney, Australia
| | | | - Jun Ni
- Vascular Biology Division, The Victor Chang Cardiac Research Institute, Darlinghurst, Australia
- Faculty of Medicine, The University of New South Wales, Sydney, Australia
| | - Hafizah A. Hamid
- Vascular Biology Division, The Victor Chang Cardiac Research Institute, Darlinghurst, Australia
- Faculty of Medicine, The University of New South Wales, Sydney, Australia
| | - Christopher R. Parish
- John Curtin School of Medical Research, The Australian National University, Canberra, Australia
| | - Roland Stocker
- Vascular Biology Division, The Victor Chang Cardiac Research Institute, Darlinghurst, Australia
- Faculty of Medicine, The University of New South Wales, Sydney, Australia
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