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Chen X, Jian D, Xing J, Cheng X, Wang C, Wang C, Pan J, Qi X, Wang S, Li Z, Liu Y, Jian L, Tang H. Targeting OGF/OGFR signal to mitigate doxorubicin-induced cardiotoxicity. Free Radic Biol Med 2024; 223:398-412. [PMID: 39122201 DOI: 10.1016/j.freeradbiomed.2024.08.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/09/2024] [Revised: 07/31/2024] [Accepted: 08/06/2024] [Indexed: 08/12/2024]
Abstract
Enkephalins are reportedly correlated with heart function. However, their regulation in the heart remains unexplored. This study revealed a substantial increase in circulating levels of opioid growth factor (OGF) (also known as methionine enkephalin) and myocardial expression levels of both OGF and its receptor (OGFR) in subjects treated with doxorubicin (Dox). Silencing OGFR through gene knockout or using adeno-associated virus serotype 9 carrying small hairpin RNA effectively alleviated Dox-induced cardiotoxicity (DIC) in mice. Conversely, OGF supplementation exacerbated DIC manifestations, which could be abolished by administration of the OGFR antagonist naltrexone (NTX). Mechanistically, the previously characterized OGF/OGFR/P21 axis was identified to facilitate DIC-related cardiomyocyte apoptosis. Additionally, OGFR was observed to dissociate STAT1 from the promoters of ferritin genes (FTH and FTL), thereby repressing their transcription and exacerbating DIC-related cardiomyocyte ferroptosis. To circumvent the compromised therapeutic effects of Dox on tumors owing to OGFR blockade, SiO2-based modifiable lipid nanoparticles were developed for heart-targeted delivery of NTX. The pretreatment of tumor-bearing mice with the assembled NTX nanodrug successfully provided cardioprotection against Dox toxicity without affecting Dox therapy in tumors. Taken together, this study provides a novel understanding of Dox cardiotoxicity and sheds light on the development of cardioprotectants for patients with tumors receiving Dox treatment.
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Affiliation(s)
- Xiru Chen
- Department of Cardiology, The Second Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, 450003, China; National Health Commission Key Laboratory of Cardiovascular Regenerative Medicine, Central China Fuwai Hospital of Zhengzhou University, Fuwai Central China Cardiovascular Hospital & Central China Branch of National Center for Cardiovascular Diseases, Zhengzhou, Henan, 451464, China
| | - Dongdong Jian
- National Health Commission Key Laboratory of Cardiovascular Regenerative Medicine, Central China Fuwai Hospital of Zhengzhou University, Fuwai Central China Cardiovascular Hospital & Central China Branch of National Center for Cardiovascular Diseases, Zhengzhou, Henan, 451464, China; Zhengzhou Key Laboratory of Cardiovascular Aging, Fuwai Central China Cardiovascular Hospital, Zhengzhou, Henan, 451464, China
| | - Junyue Xing
- National Health Commission Key Laboratory of Cardiovascular Regenerative Medicine, Central China Fuwai Hospital of Zhengzhou University, Fuwai Central China Cardiovascular Hospital & Central China Branch of National Center for Cardiovascular Diseases, Zhengzhou, Henan, 451464, China; Zhengzhou Key Laboratory of Cardiovascular Aging, Fuwai Central China Cardiovascular Hospital, Zhengzhou, Henan, 451464, China; Henan Key Laboratory of Chronic Disease Management, Fuwai Central China Cardiovascular Hospital, Zhengzhou, Henan, 451464, China
| | - Xiaolei Cheng
- Department of Anesthesiology, Affiliated Drum Tower Hospital of Medical School of Nanjing University, Nanjing, Jiangsu, 210008, China
| | - Chuan Wang
- National Health Commission Key Laboratory of Cardiovascular Regenerative Medicine, Central China Fuwai Hospital of Zhengzhou University, Fuwai Central China Cardiovascular Hospital & Central China Branch of National Center for Cardiovascular Diseases, Zhengzhou, Henan, 451464, China; Zhengzhou Key Laboratory of Cardiovascular Aging, Fuwai Central China Cardiovascular Hospital, Zhengzhou, Henan, 451464, China
| | - Chenqiu Wang
- Department of Cardiology, The Second Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, 450003, China; National Health Commission Key Laboratory of Cardiovascular Regenerative Medicine, Central China Fuwai Hospital of Zhengzhou University, Fuwai Central China Cardiovascular Hospital & Central China Branch of National Center for Cardiovascular Diseases, Zhengzhou, Henan, 451464, China
| | - Jiangpeng Pan
- National Health Commission Key Laboratory of Cardiovascular Regenerative Medicine, Central China Fuwai Hospital of Zhengzhou University, Fuwai Central China Cardiovascular Hospital & Central China Branch of National Center for Cardiovascular Diseases, Zhengzhou, Henan, 451464, China; Zhengzhou Key Laboratory of Cardiovascular Aging, Fuwai Central China Cardiovascular Hospital, Zhengzhou, Henan, 451464, China
| | - Xinkun Qi
- National Health Commission Key Laboratory of Cardiovascular Regenerative Medicine, Central China Fuwai Hospital of Zhengzhou University, Fuwai Central China Cardiovascular Hospital & Central China Branch of National Center for Cardiovascular Diseases, Zhengzhou, Henan, 451464, China; Zhengzhou Key Laboratory of Cardiovascular Aging, Fuwai Central China Cardiovascular Hospital, Zhengzhou, Henan, 451464, China
| | - Shixing Wang
- National Health Commission Key Laboratory of Cardiovascular Regenerative Medicine, Central China Fuwai Hospital of Zhengzhou University, Fuwai Central China Cardiovascular Hospital & Central China Branch of National Center for Cardiovascular Diseases, Zhengzhou, Henan, 451464, China; Zhengzhou Key Laboratory of Cardiovascular Aging, Fuwai Central China Cardiovascular Hospital, Zhengzhou, Henan, 451464, China
| | - Zhen Li
- National Health Commission Key Laboratory of Cardiovascular Regenerative Medicine, Central China Fuwai Hospital of Zhengzhou University, Fuwai Central China Cardiovascular Hospital & Central China Branch of National Center for Cardiovascular Diseases, Zhengzhou, Henan, 451464, China; Zhengzhou Key Laboratory of Cardiovascular Aging, Fuwai Central China Cardiovascular Hospital, Zhengzhou, Henan, 451464, China
| | - Ying Liu
- National Health Commission Key Laboratory of Cardiovascular Regenerative Medicine, Central China Fuwai Hospital of Zhengzhou University, Fuwai Central China Cardiovascular Hospital & Central China Branch of National Center for Cardiovascular Diseases, Zhengzhou, Henan, 451464, China; Zhengzhou Key Laboratory of Cardiovascular Aging, Fuwai Central China Cardiovascular Hospital, Zhengzhou, Henan, 451464, China.
| | - Liguo Jian
- Department of Cardiology, The Second Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, 450003, China.
| | - Hao Tang
- National Health Commission Key Laboratory of Cardiovascular Regenerative Medicine, Central China Fuwai Hospital of Zhengzhou University, Fuwai Central China Cardiovascular Hospital & Central China Branch of National Center for Cardiovascular Diseases, Zhengzhou, Henan, 451464, China; Zhengzhou Key Laboratory of Cardiovascular Aging, Fuwai Central China Cardiovascular Hospital, Zhengzhou, Henan, 451464, China; Henan Key Laboratory of Chronic Disease Management, Fuwai Central China Cardiovascular Hospital, Zhengzhou, Henan, 451464, China.
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Chen T, Bai D, Gong C, Cao Y, Yan X, Peng R. Hydrogen sulfide mitigates mitochondrial dysfunction and cellular senescence in diabetic patients: Potential therapeutic applications. Biochem Pharmacol 2024; 230:116556. [PMID: 39332692 DOI: 10.1016/j.bcp.2024.116556] [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: 08/02/2024] [Revised: 09/08/2024] [Accepted: 09/23/2024] [Indexed: 09/29/2024]
Abstract
Diabetes induces a pro-aging state characterized by an increased abundance of senescent cells in various tissues, heightened chronic inflammation, reduced substance and energy metabolism, and a significant increase in intracellular reactive oxygen species (ROS) levels. This condition leads to mitochondrial dysfunction, including elevated oxidative stress, the accumulation of mitochondrial DNA (mtDNA) damage, mitophagy defects, dysregulation of mitochondrial dynamics, and abnormal energy metabolism. These dysfunctions result in intracellular calcium ion (Ca2+) homeostasis disorders, telomere shortening, immune cell damage, and exacerbated inflammation, accelerating the aging of diabetic cells or tissues. Hydrogen sulfide (H2S), a novel gaseous signaling molecule, plays a crucial role in maintaining mitochondrial function and mitigating the aging process in diabetic cells. This article systematically explores the specific mechanisms by which H2S regulates diabetes-induced mitochondrial dysfunction to delay cellular senescence, offering a promising new strategy for improving diabetes and its complications.
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Affiliation(s)
- Ting Chen
- Institute of Life Sciences & Biomedicine Collaborative Innovation Center of Zhejiang Province, College of Life and Environmental Science, Wenzhou University, Wenzhou 325035, China
| | - Dacheng Bai
- Guangdong Institute of Mitochondrial Biomedicine, Room 501, Coolpad Building, No.2 Mengxi Road, High-tech Industrial Park, Nanshan District, Shenzhen, Guangdong Province 518000, China
| | - Changyong Gong
- Institute of Life Sciences & Biomedicine Collaborative Innovation Center of Zhejiang Province, College of Life and Environmental Science, Wenzhou University, Wenzhou 325035, China
| | - Yu Cao
- Institute of Life Sciences & Biomedicine Collaborative Innovation Center of Zhejiang Province, College of Life and Environmental Science, Wenzhou University, Wenzhou 325035, China
| | - Xiaoqing Yan
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou 325035, China.
| | - Renyi Peng
- Institute of Life Sciences & Biomedicine Collaborative Innovation Center of Zhejiang Province, College of Life and Environmental Science, Wenzhou University, Wenzhou 325035, China.
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Lu J, Zhao P, Ding X, Liu Y, Li H. N-Acetylcysteine assists muscle development in offspring of mice subjected to maternal heat stress during pregnancy. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2024. [PMID: 38828636 DOI: 10.1002/jsfa.13620] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/07/2024] [Revised: 05/15/2024] [Accepted: 05/15/2024] [Indexed: 06/05/2024]
Abstract
BACKGROUND Heat stress (HS) has been shown to affect reproductive performance and muscle development negatively in animals. N-Acetylcysteine (NAC) plays a pivotal role in enhancing the antioxidant performance in animals as a recognized antioxidant. The present study assesses the potential of NAC to modulate the reproductive performance and antioxidant function in pregnant mice exposed to HS. The role of NAC in muscle development of offspring mice was also explored. RESULTS The results showed that NAC supplementation from day 12 to day 18 of gestation increased the number of litters and enhanced the antioxidant function in pregnant mice under HS exposure. It improved the weight and body condition significantly in the offspring mice (P < 0.05). The alleviation of HS-induced muscle impairment with NAC was consistent with the alleviation of apoptosis, the enrichment of the proliferation and differentiation in the offspring mice muscle. N-Acetylcysteine also reversed HS-induced reduction in the cross-sectional area of the leg muscle and increased the proportion of myosin heavy chain IIx (MYHCIIx) in the muscle fiber. CONCLUSION The results of the present study support the use of NAC at a dose of 100 mg kg-1 body weight as supplement for protecting the offspring derived from pregnant mice exposed to HS from muscle impairment by accelerating proliferation and differentiation. © 2024 Society of Chemical Industry.
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Affiliation(s)
- Jiawei Lu
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing, China
| | - Peng Zhao
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing, China
| | - Xiuhu Ding
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing, China
| | - Yuan Liu
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing, China
| | - Huixia Li
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing, China
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Sun M, Yin F, Wu X, Sun S, An Y, Zhu M, Li X, Liu W. Effects of ivabradine on myocardial autophagia and apoptosis in isoprenaline-induced heart failure in mice. IRANIAN JOURNAL OF BASIC MEDICAL SCIENCES 2024; 27:107-113. [PMID: 38164488 PMCID: PMC10722486 DOI: 10.22038/ijbms.2023.70060.15236] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Figures] [Subscribe] [Scholar Register] [Received: 01/10/2023] [Accepted: 08/12/2023] [Indexed: 01/03/2024]
Abstract
Objectives To investigate the effects and mechanisms of ivabradine (IVA) on isoprenaline-induced cardiac injury. Materials and Methods Forty male C57BL/6 mice were randomly divided into control group, model group, high-dose IVA group, and low-dose IVA group. The control group was given saline, other groups were given subcutaneous injections of isoproterenol (ISO) 5 mg/kg/d to make the myocardial remodeling model. A corresponding dose of IVA (high dose 50 mg/kg/d, low dose 10 mg/kg/d) was given by gavage (30 days). A transthoracic echocardiogram was obtained to detect the structure and function of the heart. An electron microscope was used to explore the cardiomyocytes' apoptosis and autophagy. HE staining and Masson's trichrome staining were performed to explore myocardial hypertrophy and fibrosis. Western blot was used to detect Bax, Bcl-2, cleaved caspase-3, Becline-1, LC3, phosphorylated p38 mitogen-activated protein kinase (p-p38MAPK), phosphorylated extracellular regulated protein kinases1/2 (p-ERK1/2), phosphorylated c-Jun N-terminal kinase (p-JNK), and α-smooth muscle actin (α-SMA) in the myocardium. Results Heart rate in the IVA groups was reduced, and the trend of heart rate reduction was more obvious in the high-dose group. Echocardiography showed that IVA improved the cardiac structure and function compared to the model group. IVA attenuated cardiac fibrosis, decreased cardiomyocyte apoptosis, and increased autophagy. The phosphorylated MAPK in the ISO-induced groups was increased. IVA treatment decreased the p-p38MAPK level. There were no differences in p-ERK and p-JNK levels. Conclusion The beneficial effects of IVA on myocardial injury are related to blocking the p38MAPK signal pathway, decreasing cardiomyocyte apoptosis, and increasing cardiomyocyte autophagy.
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Affiliation(s)
- Menghua Sun
- Department of Cardiology, Fourth Affiliated Hospital of Harbin Medical University, Harbin 150001, China
- These authors contributed equally to this work
| | - Feiya Yin
- The University of Sydney, Newtown, NSW 2042, Australia
- These authors contributed equally to this work
| | - Xinrong Wu
- Department of Cardiology, Fourth Affiliated Hospital of Harbin Medical University, Harbin 150001, China
- These authors contributed equally to this work
| | - Shaoer Sun
- Department of Geriatric Cardiology, Guangdong Provincial People’s Hospital, Guangzhou, PR. China, 510080
| | - Yongqiang An
- Department of Cardiology, Fourth Affiliated Hospital of Harbin Medical University, Harbin 150001, China
| | - Manlin Zhu
- Department of Cardiology, Fourth Affiliated Hospital of Harbin Medical University, Harbin 150001, China
| | - Xiaomin Li
- Department of Cardiology, Fourth Affiliated Hospital of Harbin Medical University, Harbin 150001, China
| | - Wei Liu
- Department of Cardiology, Fourth Affiliated Hospital of Harbin Medical University, Harbin 150001, China
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Ferreira LO, Vasconcelos VW, Lima JDS, Vieira Neto JR, da Costa GE, Esteves JDC, de Sousa SC, Moura JA, Santos FRS, Leitão Filho JM, Protásio MR, Araújo PS, Lemos CJDS, Resende KD, Lopes DCF. Biochemical Changes in Cardiopulmonary Bypass in Cardiac Surgery: New Insights. J Pers Med 2023; 13:1506. [PMID: 37888117 PMCID: PMC10608001 DOI: 10.3390/jpm13101506] [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: 07/30/2023] [Revised: 08/19/2023] [Accepted: 08/23/2023] [Indexed: 10/28/2023] Open
Abstract
Patients undergoing coronary revascularization with extracorporeal circulation or cardiopulmonary bypass (CPB) may develop several biochemical changes in the microcirculation that lead to a systemic inflammatory response. Surgical incision, post-CPB reperfusion injury and blood contact with non-endothelial membranes can activate inflammatory signaling pathways that lead to the production and activation of inflammatory cells, with cytokine production and oxidative stress. This inflammatory storm can cause damage to vital organs, especially the heart, and thus lead to complications in the postoperative period. In addition to the organic pathophysiology during and after the period of exposure to extracorporeal circulation, this review addresses new perspectives for intraoperative treatment and management that may lead to a reduction in this inflammatory storm and thereby improve the prognosis and possibly reduce the mortality of these patients.
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Affiliation(s)
- Luan Oliveira Ferreira
- Residency Program in Anesthesiology, João de Barros Barreto University Hospital, Federal University of Pará, Belém 66073-000, Brazil; (V.W.V.); (J.d.S.L.); (J.R.V.N.); (G.E.d.C.); (J.d.C.E.); (S.C.d.S.); (J.A.M.); (F.R.S.S.); (J.M.L.F.); (K.D.R.)
- Laboratory of Experimental Neuropathology, João de Barros Barreto University Hospital, Federal University of Pará, Belém 66073-000, Brazil
| | - Victoria Winkler Vasconcelos
- Residency Program in Anesthesiology, João de Barros Barreto University Hospital, Federal University of Pará, Belém 66073-000, Brazil; (V.W.V.); (J.d.S.L.); (J.R.V.N.); (G.E.d.C.); (J.d.C.E.); (S.C.d.S.); (J.A.M.); (F.R.S.S.); (J.M.L.F.); (K.D.R.)
| | - Janielle de Sousa Lima
- Residency Program in Anesthesiology, João de Barros Barreto University Hospital, Federal University of Pará, Belém 66073-000, Brazil; (V.W.V.); (J.d.S.L.); (J.R.V.N.); (G.E.d.C.); (J.d.C.E.); (S.C.d.S.); (J.A.M.); (F.R.S.S.); (J.M.L.F.); (K.D.R.)
| | - Jaime Rodrigues Vieira Neto
- Residency Program in Anesthesiology, João de Barros Barreto University Hospital, Federal University of Pará, Belém 66073-000, Brazil; (V.W.V.); (J.d.S.L.); (J.R.V.N.); (G.E.d.C.); (J.d.C.E.); (S.C.d.S.); (J.A.M.); (F.R.S.S.); (J.M.L.F.); (K.D.R.)
| | - Giovana Escribano da Costa
- Residency Program in Anesthesiology, João de Barros Barreto University Hospital, Federal University of Pará, Belém 66073-000, Brazil; (V.W.V.); (J.d.S.L.); (J.R.V.N.); (G.E.d.C.); (J.d.C.E.); (S.C.d.S.); (J.A.M.); (F.R.S.S.); (J.M.L.F.); (K.D.R.)
| | - Jordana de Castro Esteves
- Residency Program in Anesthesiology, João de Barros Barreto University Hospital, Federal University of Pará, Belém 66073-000, Brazil; (V.W.V.); (J.d.S.L.); (J.R.V.N.); (G.E.d.C.); (J.d.C.E.); (S.C.d.S.); (J.A.M.); (F.R.S.S.); (J.M.L.F.); (K.D.R.)
| | - Sallatiel Cabral de Sousa
- Residency Program in Anesthesiology, João de Barros Barreto University Hospital, Federal University of Pará, Belém 66073-000, Brazil; (V.W.V.); (J.d.S.L.); (J.R.V.N.); (G.E.d.C.); (J.d.C.E.); (S.C.d.S.); (J.A.M.); (F.R.S.S.); (J.M.L.F.); (K.D.R.)
| | - Jonathan Almeida Moura
- Residency Program in Anesthesiology, João de Barros Barreto University Hospital, Federal University of Pará, Belém 66073-000, Brazil; (V.W.V.); (J.d.S.L.); (J.R.V.N.); (G.E.d.C.); (J.d.C.E.); (S.C.d.S.); (J.A.M.); (F.R.S.S.); (J.M.L.F.); (K.D.R.)
| | - Felipe Ruda Silva Santos
- Residency Program in Anesthesiology, João de Barros Barreto University Hospital, Federal University of Pará, Belém 66073-000, Brazil; (V.W.V.); (J.d.S.L.); (J.R.V.N.); (G.E.d.C.); (J.d.C.E.); (S.C.d.S.); (J.A.M.); (F.R.S.S.); (J.M.L.F.); (K.D.R.)
| | - João Monteiro Leitão Filho
- Residency Program in Anesthesiology, João de Barros Barreto University Hospital, Federal University of Pará, Belém 66073-000, Brazil; (V.W.V.); (J.d.S.L.); (J.R.V.N.); (G.E.d.C.); (J.d.C.E.); (S.C.d.S.); (J.A.M.); (F.R.S.S.); (J.M.L.F.); (K.D.R.)
| | | | - Pollyana Sousa Araújo
- Department of Cardiovascular Anesthesiology, Hospital Clínicas Gaspar Vianna, Belém 66083-106, Brazil; (P.S.A.); (C.J.d.S.L.)
| | - Cláudio José da Silva Lemos
- Department of Cardiovascular Anesthesiology, Hospital Clínicas Gaspar Vianna, Belém 66083-106, Brazil; (P.S.A.); (C.J.d.S.L.)
| | - Karina Dias Resende
- Residency Program in Anesthesiology, João de Barros Barreto University Hospital, Federal University of Pará, Belém 66073-000, Brazil; (V.W.V.); (J.d.S.L.); (J.R.V.N.); (G.E.d.C.); (J.d.C.E.); (S.C.d.S.); (J.A.M.); (F.R.S.S.); (J.M.L.F.); (K.D.R.)
| | - Dielly Catrina Favacho Lopes
- Laboratory of Experimental Neuropathology, João de Barros Barreto University Hospital, Federal University of Pará, Belém 66073-000, Brazil
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Mukherjee R, Tetri LH, Li SJ, Fajardo G, Ostberg NP, Tsegay KB, Gera K, Cornell TT, Bernstein D, Mochly-Rosen D, Haileselassie B. Drp1/p53 interaction mediates p53 mitochondrial localization and dysfunction in septic cardiomyopathy. J Mol Cell Cardiol 2023; 177:28-37. [PMID: 36841153 PMCID: PMC10358757 DOI: 10.1016/j.yjmcc.2023.01.008] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/19/2022] [Revised: 01/15/2023] [Accepted: 01/16/2023] [Indexed: 02/27/2023]
Abstract
BACKGROUND Previous studies have implicated p53-dependent mitochondrial dysfunction in sepsis induced end organ injury, including sepsis-induced myocardial dysfunction (SIMD). However, the mechanisms behind p53 localization to the mitochondria have not been well established. Dynamin-related protein 1 (Drp1), a mediator of mitochondrial fission, may play a role in p53 mitochondrial localization. Here we examined the role of Drp1/p53 interaction in SIMD using in vitro and murine models of sepsis. METHODS H9c2 cardiomyoblasts and BALB/c mice were exposed to lipopolysaccharide (LPS) to model sepsis phenotype. Pharmacologic inhibitors of Drp1 activation (ψDrp1) and of p53 mitochondrial binding (pifithrin μ, PFTμ) were utilized to assess interaction between Drp1 and p53, and the subsequent downstream impact on mitochondrial morphology and function, cardiomyocyte function, and sepsis phenotype. RESULTS Both in vitro and murine models demonstrated an increase in physical Drp1/p53 interaction following LPS treatment, which was associated with increased p53 mitochondrial localization, and mitochondrial dysfunction. This Drp1/p53 interaction was inhibited by ΨDrp1, suggesting that this interaction is dependent on Drp1 activation. Treatment of H9c2 cells with either ΨDrp1 or PFTμ inhibited the LPS mediated localization of Drp1/p53 to the mitochondria, decreased oxidative stress, improved cellular respiration and ATP production. Similarly, treatment of BALB/c mice with either ΨDrp1 or PFTμ decreased LPS-mediated mitochondrial localization of p53, mitochondrial ROS in cardiac tissue, and subsequently improved cardiomyocyte contractile function and survival. CONCLUSION Drp1/p53 interaction and mitochondrial localization is a key prodrome to mitochondrial damage in SIMD and inhibiting this interaction may serve as a therapeutic target.
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Affiliation(s)
- Riddhita Mukherjee
- Department of Pediatrics, Division of Critical Care Medicine, Stanford University School of Medicine, Stanford, CA 94305, USA; Department of Chemical and Systems Biology, Stanford University School of Medicine, Stanford, CA 94305, USA
| | - Laura H Tetri
- Department of Pediatrics, Division of Critical Care Medicine, Stanford University School of Medicine, Stanford, CA 94305, USA; Department of Anesthesia, Perioperative and Pain Medicine, Stanford University School of Medicine, Stanford, CA 94305, USA
| | - Sin-Jin Li
- Department of Pediatrics, Division of Critical Care Medicine, Stanford University School of Medicine, Stanford, CA 94305, USA
| | - Giovanni Fajardo
- Department of Pediatrics, Division of Cardiology, Stanford University School of Medicine, Stanford, CA 94305, USA
| | - Nicolai P Ostberg
- Department of Chemical and Systems Biology, Stanford University School of Medicine, Stanford, CA 94305, USA
| | - Kaleb B Tsegay
- Department of Pediatrics, Division of Critical Care Medicine, Stanford University School of Medicine, Stanford, CA 94305, USA
| | - Kanika Gera
- Department of Pediatrics, Division of Critical Care Medicine, Stanford University School of Medicine, Stanford, CA 94305, USA
| | - Timothy T Cornell
- Department of Pediatrics, Division of Critical Care Medicine, Stanford University School of Medicine, Stanford, CA 94305, USA
| | - Daniel Bernstein
- Department of Pediatrics, Division of Cardiology, Stanford University School of Medicine, Stanford, CA 94305, USA
| | - Daria Mochly-Rosen
- Department of Chemical and Systems Biology, Stanford University School of Medicine, Stanford, CA 94305, USA
| | - Bereketeab Haileselassie
- Department of Pediatrics, Division of Critical Care Medicine, Stanford University School of Medicine, Stanford, CA 94305, USA; Department of Chemical and Systems Biology, Stanford University School of Medicine, Stanford, CA 94305, USA.
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Zhang Y, Tian J, Wang C, Wu T, Yi D, Wang L, Zhao D, Hou Y. N-Acetylcysteine Administration Improves the Redox and Functional Gene Expression Levels in Spleen, Mesenteric Lymph Node and Gastrocnemius Muscle in Piglets Infected with Porcine Epidemic Diarrhea Virus. Animals (Basel) 2023; 13:ani13020262. [PMID: 36670802 PMCID: PMC9854467 DOI: 10.3390/ani13020262] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2022] [Revised: 01/09/2023] [Accepted: 01/10/2023] [Indexed: 01/15/2023] Open
Abstract
Our previous study reported that N-acetylcysteine (NAC) administration improved the function of intestinal absorption in piglets infected with porcine epidemic diarrhea virus (PEDV). However, the effects of NAC administration on the functions of other tissues and organs in PEDV-infected piglets have not been reported. In this study, the effects of NAC on the liver, spleen, lung, lymph node, and gastrocnemius muscle in PEDV-infected piglets were investigated. Thirty-two 7-day-old piglets with similar body weights were randomly divided into one of four groups: Control group, NAC group, PEDV group, and PEDV+NAC group (eight replicates per group and one pig per replicate). The trial had a 2 × 2 factorial design consisting of oral administration of 0 or 25 mg/kg body weight NAC and oral administration of 0 or 1.0 × 104.5 TCID50 PEDV. The trial lasted 12 days. All piglets were fed a milk replacer. On days 5-9 of the trial, piglets in the NAC and PEDV + NAC groups were orally administered NAC once a day; piglets in the control and PEDV groups were orally administered the same volume of saline. On day 9 of trial, piglets in the PEDV and PEDV+NAC groups were orally administrated 1.0 × 104.5 TCID50 PEDV, and the piglets in the control and NAC groups were orally administrated the same volume of saline. On day 12 of trial, samples, including of the liver, spleen, lung, lymph node, and gastrocnemius muscle, were collected. PEDV infection significantly increased catalase activity but significantly decreased the mRNA levels of Keap1, Nrf2, HMOX2, IFN-α, MX1, IL-10, TNF-α, S100A12, MMP3, MMP13, TGF-β, and GJA1 in the spleens of piglets. NAC administration ameliorated abnormal changes in measured variables in the spleens of PEDV-infected piglets. In addition, NAC administration also enhanced the antioxidant capacity of the mesenteric lymph nodes and gastrocnemius muscles in PEDV-infected piglets. Collectively, these novel results revealed that NAC administration improved the redox and functional gene expression levels in the spleen, mesenteric lymph nodes, and gastrocnemius muscle in PEDV-infected piglets.
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Sztolsztener K, Bzdęga W, Hodun K, Chabowski A. N-Acetylcysteine Decreases Myocardial Content of Inflammatory Mediators Preventing the Development of Inflammation State and Oxidative Stress in Rats Subjected to a High-Fat Diet. Int J Inflam 2023; 2023:5480199. [PMID: 36941865 PMCID: PMC10024630 DOI: 10.1155/2023/5480199] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2022] [Revised: 02/15/2023] [Accepted: 03/06/2023] [Indexed: 03/13/2023] Open
Abstract
Arachidonic acid (AA) is a key precursor for proinflammatory and anti-inflammatory derivatives that regulate the inflammatory response. The modulation of AA metabolism is a target for searching a therapeutic agent with potent anti-inflammatory action in cardiovascular disorders. Therefore, our study aims to determine the potential preventive impact of N-acetylcysteine (NAC) supplementation on myocardial inflammation and the occurrence of oxidative stress in obesity induced by high-fat feeding. The experiment was conducted for eight weeks on male Wistar rats fed a standard chow or a high-fat diet (HFD) with intragastric NAC supplementation. The Gas-Liquid Chromatography (GLC) method was used to quantify the plasma and myocardial AA levels in the selected lipid fraction. The expression of proteins included in the inflammation pathway was measured by the Western blot technique. The concentrations of arachidonic acid derivatives, cytokines and chemokines, and oxidative stress parameters were determined by the ELISA, colorimetric, and multiplex immunoassay kits. We established that in the left ventricle tissue NAC reduced AA concentration, especially in the phospholipid fraction. NAC administration ameliorated the COX-2 and 5-LOX expression, leading to a decrease in the PGE2 and LTC4 contents, respectively, and augmented the 12/15-LOX expression, increasing the LXA4 content. In obese rats, NAC ameliorated NF-κB expression, inhibiting the secretion of proinflammatory cytokines. NAC also affected the antioxidant levels in HFD rats through an increase in GSH and CAT contents with a simultaneous decrease in the levels of 4-HNE and MDA. We concluded that NAC treatment weakens the NF-κB signaling pathway, limiting the development of myocardial low-grade inflammation, and increasing the antioxidant content that may protect against the development of oxidative stress in rats with obesity induced by an HFD.
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Affiliation(s)
- Klaudia Sztolsztener
- Department of Physiology, Medical University of Bialystok, 15-089 Bialystok, Poland
| | - Wiktor Bzdęga
- Department of Physiology, Medical University of Bialystok, 15-089 Bialystok, Poland
| | - Katarzyna Hodun
- Department of Physiology, Medical University of Bialystok, 15-089 Bialystok, Poland
| | - Adrian Chabowski
- Department of Physiology, Medical University of Bialystok, 15-089 Bialystok, Poland
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Hristov BD. The Role of Glutathione Metabolism in Chronic Illness Development and Its Potential Use as a Novel Therapeutic Target. Cureus 2022; 14:e29696. [DOI: 10.7759/cureus.29696] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/28/2022] [Indexed: 11/05/2022] Open
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10
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Angelovski M, Hadzi-Petrushev N, Atanasov D, Nikodinovski A, Mitrokhin V, Avtanski DB, Mladenov M. Protective Effects of L-2-Oxothiazolidine-4-Carboxylate during Isoproterenol-Induced Myocardial Infarction in Rats: In Vivo Study. Life (Basel) 2022; 12:life12101466. [PMID: 36294901 PMCID: PMC9605456 DOI: 10.3390/life12101466] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2022] [Accepted: 09/01/2022] [Indexed: 11/16/2022] Open
Abstract
This study aimed to evaluate the cardioprotective effects of L-2-oxothiazolidine-4-carboxylate (OTC) against isoproterenol (ISO)-induced acute myocardial infarction (MI) in rats. Results demonstrated that OTC treatments inhibited ISO-induced oxidative damage, suppressed lipid peroxidation, and increased superoxide dismutase and catalase activity in the hearts of the treated rats compared to those of the untreated controls. The ISO-related NF-κB activation was reduced due to the OTC treatment, and lower degrees of inflammatory cell infiltration and necrosis in the hearts were observed. In summary, OTC treatments exerted cardioprotective effects against MI in vivo, mainly due to enhancing cardiac antioxidant activity.
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Affiliation(s)
- Marija Angelovski
- Institute of Biology, Faculty of Natural Sciences and Mathematics, Ss. Cyril and Methodius University in Skopje, 1000 Skopje, North Macedonia
| | - Nikola Hadzi-Petrushev
- Institute of Biology, Faculty of Natural Sciences and Mathematics, Ss. Cyril and Methodius University in Skopje, 1000 Skopje, North Macedonia
| | - Dino Atanasov
- Institute of Biology, Faculty of Natural Sciences and Mathematics, Ss. Cyril and Methodius University in Skopje, 1000 Skopje, North Macedonia
| | - Aleksandar Nikodinovski
- Institute for Preclinical and Clinical Pharmacology and Toxicology, Medical Faculty, Ss. Cyril and Methodius University in Skopje, 1000 Skopje, North Macedonia
| | - Vadim Mitrokhin
- Department of Fundamental and Applied Physiology, Russian National Research Medical University, 117997 Moscow, Russia
| | - Dimiter B. Avtanski
- Friedman Diabetes Institute, Lenox Hill Hospital, Northwell Health, 110 E 59th Street, New York, NY 10022, USA
| | - Mitko Mladenov
- Institute of Biology, Faculty of Natural Sciences and Mathematics, Ss. Cyril and Methodius University in Skopje, 1000 Skopje, North Macedonia
- Department of Fundamental and Applied Physiology, Russian National Research Medical University, 117997 Moscow, Russia
- Correspondence:
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Nikolic M, Srejovic I, Jovic JJ, Sretenovic J, Jeremic J, Cekerevac I, Simovic S, Djokovic D, Muric N, Stojic V, Bolevich S, Bolevich S, Jakovljevic V. Sacubitril/valsartan in Heart Failure and Beyond-From Molecular Mechanisms to Clinical Relevance. Rev Cardiovasc Med 2022; 23:238. [PMID: 39076908 PMCID: PMC11266818 DOI: 10.31083/j.rcm2307238] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2022] [Revised: 03/25/2022] [Accepted: 03/31/2022] [Indexed: 07/31/2024] Open
Abstract
As the ultimate pathophysiological event, heart failure (HF) may arise from various cardiovascular (CV) conditions, including sustained pressure/volume overload of the left ventricle, myocardial infarction or ischemia, and cardiomyopathies. Sacubitril/valsartan (S/V; formerly termed as LCZ696), a first-in-class angiotensin receptor/neprilysin inhibitor, brought a significant shift in the management of HF with reduced ejection fraction by modulating both renin-angiotensin-aldosterone system (angiotensin II type I receptor blockage by valsartan) and natriuretic peptide system (neprilysin inhibition by sacubitril) pathways. Besides, the efficacy of S/V has been also investigated in the setting of other CV pathologies which are during their pathophysiological course and progression deeply interrelated with HF. However, its mechanism of action is not entirely clarified, suggesting other off-target benefits contributing to its cardioprotection. In this review article our goal was to highlight up-to-date clinical and experimental evidence on S/V cardioprotective effects, as well as most discussed molecular mechanisms achieved by this dual-acting compound. Although S/V was extensively investigated in HF patients, additional large studies are needed to elucidate its effects in the setting of other CV conditions. Furthermore, with its antiinflamatory potential, this agent should be investigated in animal models of inflammatory heart diseases, such as myocarditis, while it may possibly improve cardiac dysfunction as well as inflammatory response in this pathophysiological setting. Also, discovering other signalling pathways affected by S/V should be of particular interest for basic researches, while it can provide additional understanding of its cardioprotective mechanisms.
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Affiliation(s)
- Maja Nikolic
- Department of Physiology, Faculty of Medical Sciences, University of Kragujevac, 34000 Kragujevac, Serbia
| | - Ivan Srejovic
- Department of Physiology, Faculty of Medical Sciences, University of Kragujevac, 34000 Kragujevac, Serbia
| | - Jovana Joksimovic Jovic
- Department of Physiology, Faculty of Medical Sciences, University of Kragujevac, 34000 Kragujevac, Serbia
| | - Jasmina Sretenovic
- Department of Physiology, Faculty of Medical Sciences, University of Kragujevac, 34000 Kragujevac, Serbia
| | - Jovana Jeremic
- Department of Pharmacology, Faculty of Medical Sciences, University of Kragujevac, 34000 Kragujevac, Serbia
| | - Ivan Cekerevac
- Department of Internal Medicine, Faculty of Medical Sciences, University of Kragujevac, 34000 Kragujevac, Serbia
- Clinic of Pulmology, University Clinical Center Kragujevac, 34000 Kragujevac, Serbia
| | - Stefan Simovic
- Department of Internal Medicine, Faculty of Medical Sciences, University of Kragujevac, 34000 Kragujevac, Serbia
- Clinic of Cardiology, University Clinical Center Kragujevac, 34000 Kragujevac, Serbia
| | - Danijela Djokovic
- Department of Psychiatry, Faculty of Medical Sciences, University of Kragujevac, 34000 Kragujevac, Serbia
- Clinic of Psychiatry, University Clinical Center Kragujevac, 34000 Kragujevac, Serbia
| | - Nemanja Muric
- Department of Psychiatry, Faculty of Medical Sciences, University of Kragujevac, 34000 Kragujevac, Serbia
- Clinic of Psychiatry, University Clinical Center Kragujevac, 34000 Kragujevac, Serbia
| | - Vladislava Stojic
- Department of Medical Statistics and Informatics, Faculty of Medical Sciences, University of Kragujevac, 34000 Kragujevac, Serbia
| | - Stefani Bolevich
- Department of Pathophysiology, 1st Moscow State Medical University IM Sechenov, 119991 Moscow, Russia
| | - Sergey Bolevich
- Department of Human Pathology, 1st Moscow State Medical University IM Sechenov, 119991 Moscow, Russia
| | - Vladimir Jakovljevic
- Department of Physiology, Faculty of Medical Sciences, University of Kragujevac, 34000 Kragujevac, Serbia
- Department of Human Pathology, 1st Moscow State Medical University IM Sechenov, 119991 Moscow, Russia
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Singh M, Barrera Adame O, Nickas M, Robison J, Khatchadourian C, Venketaraman V. Type 2 Diabetes Contributes to Altered Adaptive Immune Responses and Vascular Inflammation in Patients With SARS-CoV-2 Infection. Front Immunol 2022; 13:833355. [PMID: 35401518 PMCID: PMC8986985 DOI: 10.3389/fimmu.2022.833355] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2021] [Accepted: 02/28/2022] [Indexed: 12/11/2022] Open
Abstract
SARS-CoV-2, which initially emerged in November of 2019, wreaked havoc across the globe by leading to clinical acute respiratory distress syndrome and continues to evade current therapies today due to mutating strains. Diabetes mellitus is considered an important risk factor for progression to severe COVID disease and death, therefore additional research is warranted in this group. Individuals with diabetes at baseline have an underlying inflammatory state with elevated levels of pro-inflammatory cytokines and lower levels of anti-inflammatory cytokines, both of which cause these individuals to have higher susceptibility to SARS- CoV2 infection. The detrimental effects of SARS-CoV-2 has been attributed to its ability to induce a vast cell mediated immune response leading to a surge in the levels of pro-inflammatory cytokines. This paper will be exploring the underlying mechanisms and pathophysiology in individuals with diabetes and insulin resistance making them more prone to have worse outcomes after SARS- CoV2 infection, and to propose an adjunctive therapy to help combat the cytokine surge seen in COVID-19. It will also look at the immunomodulatory effects of glutathione, an antioxidant shown to reduce immune dysregulation in other diseases; Vitamin D, which has been shown to prevent COVID-19 patients from requiring more intensive care time possibly due to its ability to decrease the expression of certain pro-inflammatory cytokines; and steroids, which have been used as immune modulators despite their ability to exacerbate hyperglycemia.
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Affiliation(s)
- Manpreet Singh
- St. Barnabas Hospital Health System, Department of Emergency Medicine, Bronx, NY, United States
| | - Obed Barrera Adame
- St. Barnabas Hospital Health System, Department of Emergency Medicine, Bronx, NY, United States
| | - Michael Nickas
- St. Barnabas Hospital Health System, Department of Emergency Medicine, Bronx, NY, United States
| | - Jeremiah Robison
- St. Barnabas Hospital Health System, Department of Emergency Medicine, Bronx, NY, United States
| | - Christopher Khatchadourian
- Western University of Health Sciences College of Osteopathic Medicine of the Pacific-Pomona, Pomona, CA, United States
| | - Vishwanath Venketaraman
- Western University of Health Sciences College of Osteopathic Medicine of the Pacific-Pomona, Pomona, CA, United States
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N-Acetylcysteine Slows Down Cardiac Pathological Remodeling by Inhibiting Cardiac Fibroblast Proliferation and Collagen Synthesis. DISEASE MARKERS 2021; 2021:3625662. [PMID: 34868392 PMCID: PMC8642028 DOI: 10.1155/2021/3625662] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/20/2021] [Accepted: 11/12/2021] [Indexed: 11/17/2022]
Abstract
Objective By observing the effect of N-acetylcysteine (NAC) on the proliferation and collagen synthesis of rat cardiac fibroblasts (CFs) to explore the effect of NAC on cardiac remodeling (CR). Methods In vivo, first, the Sprague Dawley (SD) rat myocardial hypertrophy model was constructed, and the effect of NAC on cardiac structure and function was detected by echocardiography, serological testing, and Masson staining. Western blotting (WB) and quantitative real-time polymerase chain reaction (qRT-PCR) were used to detect the expression level of antioxidant enzymes, and flow cytometry was used to detect the intracellular reactive oxygen species (ROS) content. In vitro, 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyl tetrazolium bromide (MTT) assay and 5-ethynyl-2′-deoxyuridine (EdU) staining were used to detect cell proliferation, and the expression level of the NF-κB signaling pathway was detected. Results Compared with the control group, the model group had disordered cardiac structure, reduced cardiac function, and obvious oxidative stress (OS) response. However, after NAC treatment, it could obviously improve the rat cardiac structure and cardiac function and alleviate redox imbalance and cardiology remodeling. At the same time, NAC can inhibit the activation of the NF-κB signaling pathway and reduce the proliferation level of CFs and the amount of 3H proline incorporated. Conclusions NAC can inhibit AngII-induced CF proliferation and collagen synthesis through the NF-κB signaling pathway, alleviate the OS response of myocardial tissue, inhibit the fibrosis of myocardial tissue, and thus slow down the pathological remodeling of the heart.
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14
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Attiq A, Yao LJ, Afzal S, Khan MA. The triumvirate of NF-κB, inflammation and cytokine storm in COVID-19. Int Immunopharmacol 2021; 101:108255. [PMID: 34688149 PMCID: PMC8516728 DOI: 10.1016/j.intimp.2021.108255] [Citation(s) in RCA: 52] [Impact Index Per Article: 17.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2021] [Revised: 09/30/2021] [Accepted: 10/09/2021] [Indexed: 01/08/2023]
Abstract
The coronavirus disease (COVID-19) has once again reminded us of the significance of host immune response and consequential havocs of the immune dysregulation. The severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2) inflicts severe complications to the infected host, including cough, dyspnoea, fever, septic shock, acute respiratory distress syndrome (ARDs), and multiple organ failure. These manifestations are the consequence of the dysregulated immune system, which gives rise to excessive and unattended production of pro-inflammatory mediators. Elevated circulatory cytokine and chemokine levels are accompanied by spontaneous haemorrhage, thrombocytopenia and systemic inflammation, which are the cardinal features of life-threatening cytokine storm syndrome in advanced COVID-19 diseases. Coronavirus hijacked NF-kappa B (NF-κB) is responsible for upregulating the expressions of inflammatory cytokine, chemokine, alarmins and inducible enzymes, which paves the pathway for cytokine storm. Given the scenario, the systemic approach of simultaneous inhibition of NF-κB offers an attractive therapeutic intervention. Targeted therapies with proteasome inhibitor (VL-01, bortezomib, carfilzomib and ixazomib), bruton tyrosine kinase inhibitor (acalabrutinib), nucleotide analogue (remdesivir), TNF-α monoclonal antibodies (infliximab and adalimumab), N-acetylcysteine and corticosteroids (dexamethasone), focusing the NF-κB inhibition have demonstrated effectiveness in terms of the significant decrease in morbidity and mortality in severe COVID-19 patients. Hence, this review highlights the activation, signal transduction and cross-talk of NF-κB with regard to cytokine storm in COVID-19. Moreover, the development of therapeutic strategies based on NF-κB inhibition are also discussed herein.
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Affiliation(s)
- Ali Attiq
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, MAHSA University, Bandar Saujana Putra, 42610 Jenjarom, Selangor, Malaysia.
| | - Lui Jin Yao
- Kuala Balah Health Clinic (Klinik Kesihatan Kuala Balah), Kuala Balah, 17600 Jeli, Kelantan, Malaysia
| | - Sheryar Afzal
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, MAHSA University, Bandar Saujana Putra, 42610 Jenjarom, Selangor, Malaysia
| | - Mansoor Ali Khan
- COVID-19 Vaccination Centres, University College London Hospitals, National Health Service, N10QH London, England
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15
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Luo MY, Su JH, Gong SX, Liang N, Huang WQ, Chen W, Wang AP, Tian Y. Ferroptosis: New Dawn for Overcoming the Cardio-Cerebrovascular Diseases. Front Cell Dev Biol 2021; 9:733908. [PMID: 34858973 PMCID: PMC8632439 DOI: 10.3389/fcell.2021.733908] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2021] [Accepted: 10/25/2021] [Indexed: 12/21/2022] Open
Abstract
The dynamic balance of cardiomyocytes and neurons is essential to maintain the normal physiological functions of heart and brain. If excessive cells die in tissues, serious Cardio-Cerebrovascular Diseases would occur, namely, hypertension, myocardial infarction, and ischemic stroke. The regulation of cell death plays a role in promoting or alleviating Cardio-Cerebrovascular Diseases. Ferroptosis is an iron-dependent new type of cell death that has been proved to occur in a variety of diseases. In our review, we focus on the critical role of ferroptosis and its regulatory mechanisms involved in Cardio-Cerebrovascular Diseases, and discuss the important function of ferroptosis-related inhibitors in order to propose potential implications for the prevention and treatment of Cardio-Cerebrovascular Diseases.
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Affiliation(s)
- Meng-Yi Luo
- Institute of Clinical Research, Affiliated Nanhua Hospital, University of South China, Hengyang, China
- Hengyang Key Laboratory of Neurodegeneration and Cognitive Impairment, Department of Physiology, Institute of Neuroscience Research, Hengyang Medical College, University of South China, Hengyang, China
| | - Jian-Hui Su
- Institute of Clinical Research, Affiliated Nanhua Hospital, University of South China, Hengyang, China
- Hengyang Key Laboratory of Neurodegeneration and Cognitive Impairment, Department of Physiology, Institute of Neuroscience Research, Hengyang Medical College, University of South China, Hengyang, China
| | - Shao-Xin Gong
- Department of Pathology, First Affiliated Hospital, University of South China, Hengyang, China
| | - Na Liang
- Department of Anesthesiology, Affiliated Nanhua Hospital, University of South China, Hengyang, China
| | - Wen-Qian Huang
- Institute of Clinical Research, Affiliated Nanhua Hospital, University of South China, Hengyang, China
- Hengyang Key Laboratory of Neurodegeneration and Cognitive Impairment, Department of Physiology, Institute of Neuroscience Research, Hengyang Medical College, University of South China, Hengyang, China
| | - Wei Chen
- Institute of Clinical Research, Affiliated Nanhua Hospital, University of South China, Hengyang, China
- Hengyang Key Laboratory of Neurodegeneration and Cognitive Impairment, Department of Physiology, Institute of Neuroscience Research, Hengyang Medical College, University of South China, Hengyang, China
| | - Ai-Ping Wang
- Institute of Clinical Research, Affiliated Nanhua Hospital, University of South China, Hengyang, China
- Hengyang Key Laboratory of Neurodegeneration and Cognitive Impairment, Department of Physiology, Institute of Neuroscience Research, Hengyang Medical College, University of South China, Hengyang, China
| | - Ying Tian
- Institute of Clinical Research, Affiliated Nanhua Hospital, University of South China, Hengyang, China
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Oral N-acetylcysteine as an adjunct to standard medical therapy improved heart function in cases with stable class II and III systolic heart failure. Ir J Med Sci 2021; 191:2063-2075. [PMID: 34727343 DOI: 10.1007/s11845-021-02829-3] [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: 10/01/2021] [Accepted: 10/21/2021] [Indexed: 10/19/2022]
Abstract
BACKGROUND This research attempted to assess whether N-acetylcysteine (NAC) as adjunctive therapy can be useful in the treatment of patients with heart failure (HF). METHODS Fifty-five cases with diagnosed systolic HF and stable symptomatic New York Heart Association (NYHA) functional class II and III and on optimal medical treatment of HF for at least 3 months were assigned for receiving oral NAC (600 mg twice daily) or placebo for 12 weeks. The outcomes were changes in the echocardiographic hemodynamic indices as well as the patients' functional capacity assessed by NYHA classification over a 12-week treatment. RESULTS Compared to placebo, NAC more significantly improved the systolic left ventricular (LV) function expressed as the ejection fraction and Tei index. These changes are accompanied by more improvement in other LV echocardiographic indices including LV end-diastolic volume index and LV global longitudinal strain in the patients receiving NAC in comparison with those receiving placebo. In parallel with the improvement of LV function, right ventricular (RV) function expressed as RV fractional area change and RV Tei-index also got more improvement in those receiving NAC than those receiving placebo. However, the change in RV global longitudinal strain did not show a significant difference between study groups. Additionally, at week 12, the distribution of the NYHA functional class also shifted toward a better outcome in the NAC group in comparison with the placebo group; however, it was not significant. CONCLUSIONS These preliminary data support experimental findings showing that NAC supplementation is able to improve heart function. TRIAL REGISTRATION The registration of the trial was done at the Iranian Registry of Clinical Trials ( www.irct.ir ). Identifier code: IRCT20120215009014N333. Registration date: 2020-01-11.
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Sawicki KT, Sala V, Prever L, Hirsch E, Ardehali H, Ghigo A. Preventing and Treating Anthracycline Cardiotoxicity: New Insights. Annu Rev Pharmacol Toxicol 2021; 61:309-332. [PMID: 33022184 DOI: 10.1146/annurev-pharmtox-030620-104842] [Citation(s) in RCA: 69] [Impact Index Per Article: 23.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Anthracyclines are the cornerstone of many chemotherapy regimens for a variety of cancers. Unfortunately, their use is limited by a cumulative dose-dependent cardiotoxicity. Despite more than five decades of research, the biological mechanisms underlying anthracycline cardiotoxicity are not completely understood. In this review, we discuss the incidence, risk factors, types, and pathophysiology of anthracycline cardiotoxicity, as well as methods to prevent and treat this condition. We also summarize and discuss advances made in the last decade in the comprehension of the molecular mechanisms underlying the pathology.
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Affiliation(s)
- Konrad Teodor Sawicki
- Division of Cardiology, Feinberg Cardiovascular and Renal Research Institute, Northwestern University Feinberg School of Medicine, Chicago, Illinois 60611, USA;
| | - Valentina Sala
- Department of Molecular Biotechnology and Health Sciences, University of Torino, 10126 Torino, Italy;
| | - Lorenzo Prever
- Department of Molecular Biotechnology and Health Sciences, University of Torino, 10126 Torino, Italy;
| | - Emilio Hirsch
- Department of Molecular Biotechnology and Health Sciences, University of Torino, 10126 Torino, Italy;
| | - Hossein Ardehali
- Division of Cardiology, Feinberg Cardiovascular and Renal Research Institute, Northwestern University Feinberg School of Medicine, Chicago, Illinois 60611, USA;
| | - Alessandra Ghigo
- Department of Molecular Biotechnology and Health Sciences, University of Torino, 10126 Torino, Italy;
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Liu J, Tian J, Sodhi K, Shapiro JI. The Na/K-ATPase Signaling and SGLT2 Inhibitor-Mediated Cardiorenal Protection: A Crossed Road? J Membr Biol 2021; 254:513-529. [PMID: 34297135 PMCID: PMC8595165 DOI: 10.1007/s00232-021-00192-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2021] [Accepted: 07/06/2021] [Indexed: 12/17/2022]
Abstract
In different large-scale clinic outcome trials, sodium (Na+)/glucose co-transporter 2 (SGLT2) inhibitors showed profound cardiac- and renal-protective effects, making them revolutionary treatments for heart failure and kidney disease. Different theories are proposed according to the emerging protective effects other than the original purpose of glucose-lowering in diabetic patients. As the ATP-dependent primary ion transporter providing the Na+ gradient to drive other Na+-dependent transporters, the possible role of the sodium–potassium adenosine triphosphatase (Na/K-ATPase) as the primary ion transporter and its signaling function is not explored.
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Affiliation(s)
- Jiang Liu
- Department of Biomedical Sciences, JCE School of Medicine, Marshall University, Huntington, WV, USA.
| | - Jiang Tian
- Department of Biomedical Sciences, JCE School of Medicine, Marshall University, Huntington, WV, USA
| | - Komal Sodhi
- Department of Surgery, JCE School of Medicine, Marshall University, Huntington, WV, USA
| | - Joseph I Shapiro
- Departments of Medicine, JCE School of Medicine, Marshall University, Huntington, WV, USA
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Li X, Liu S, Qu L, Chen Y, Yuan C, Qin A, Liang J, Huang Q, Jiang M, Zou W. Dioscin and diosgenin: Insights into their potential protective effects in cardiac diseases. JOURNAL OF ETHNOPHARMACOLOGY 2021; 274:114018. [PMID: 33716083 DOI: 10.1016/j.jep.2021.114018] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/27/2020] [Revised: 02/07/2021] [Accepted: 03/07/2021] [Indexed: 06/12/2023]
Abstract
BACKGROUND AND ETHNOPHARMACOLOGICAL RELEVANCE Dioscin and diosgenin derived from plants of the genus Dioscoreaceae such as D. nipponica and D. panthaica Prain et Burk. Were utilized as the main active ingredients of traditional herbal medicinal products for coronary heart disease in the former Soviet Union and China since 1960s. A growing number of research showed that dioscin and diosgenin have a wide range of pharmacological activities in heart diseases. AIM OF THE STUDY To summarize the evidence of the effectiveness of dioscin and diosgenin in cardiac diseases, and to provide a basis and reference for future research into their clinical applications and drug development in the field of cardiac disease. METHODS Literatures in this review were searched in PubMed, ScienceDirect, Google Scholar, China National Knowledge Infrastructure (CNKI) and Web of Science. All eligible studies are analyzed and summarized in this review. RESULTS The pharmacological activities and therapeutic potentials of dioscin and diosgenin in cardiac diseases are similar, can effectively improve hypertrophic cardiomyopathy, arrhythmia, myocardial I/R injury and cardiotoxicity caused by doxorubicin. But the bioavailability of dioscin and diosgenin may be too low as a result of poor absorption and slow metabolism, which hinders their development and utilization. CONCLUSION Dioscin and diosgenin need further in-depth experimental research, clinical transformation and structural modification or research of new preparations before they can be expected to be developed into new therapeutic drugs in the field of cardiac disease.
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Affiliation(s)
- Xiaofen Li
- College of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, China.
| | - Sili Liu
- College of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, China.
| | - Liping Qu
- College of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, China.
| | - Yang Chen
- College of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, China
| | - Chuqiao Yuan
- College of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, China.
| | - Anquan Qin
- College of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, China.
| | - Jiyi Liang
- College of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, China.
| | - Qianqian Huang
- College of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, China.
| | - Miao Jiang
- College of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, China.
| | - Wenjun Zou
- College of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, China.
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Daiber A, Hahad O, Andreadou I, Steven S, Daub S, Münzel T. Redox-related biomarkers in human cardiovascular disease - classical footprints and beyond. Redox Biol 2021; 42:101875. [PMID: 33541847 PMCID: PMC8113038 DOI: 10.1016/j.redox.2021.101875] [Citation(s) in RCA: 50] [Impact Index Per Article: 16.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2020] [Revised: 01/12/2021] [Accepted: 01/18/2021] [Indexed: 02/07/2023] Open
Abstract
Global epidemiological studies show that chronic non-communicable diseases such as atherosclerosis and metabolic disorders represent the leading cause of premature mortality and morbidity. Cardiovascular disease such as ischemic heart disease is a major contributor to the global burden of disease and the socioeconomic health costs. Clinical and epidemiological data show an association of typical oxidative stress markers such as lipid peroxidation products, 3-nitrotyrosine or oxidized DNA/RNA bases with all major cardiovascular diseases. This supports the concept that the formation of reactive oxygen and nitrogen species by various sources (NADPH oxidases, xanthine oxidase and mitochondrial respiratory chain) represents a hallmark of the leading cardiovascular comorbidities such as hyperlipidemia, hypertension and diabetes. These reactive oxygen and nitrogen species can lead to oxidative damage but also adverse redox signaling at the level of kinases, calcium handling, inflammation, epigenetic control, circadian clock and proteasomal system. The in vivo footprints of these adverse processes (redox biomarkers) are discussed in the present review with focus on their clinical relevance, whereas the details of their mechanisms of formation and technical aspects of their detection are only briefly mentioned. The major categories of redox biomarkers are summarized and explained on the basis of suitable examples. Also the potential prognostic value of redox biomarkers is critically discussed to understand what kind of information they can provide but also what they cannot achieve.
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Affiliation(s)
- Andreas Daiber
- Department of Cardiology, Molecular Cardiology, University Medical Center, Mainz, Germany; German Center for Cardiovascular Research (DZHK), Partner Site Rhine-Main, Langenbeckstr. 1, 55131, Mainz, Germany.
| | - Omar Hahad
- Department of Cardiology, Molecular Cardiology, University Medical Center, Mainz, Germany; German Center for Cardiovascular Research (DZHK), Partner Site Rhine-Main, Langenbeckstr. 1, 55131, Mainz, Germany
| | - Ioanna Andreadou
- Laboratory of Pharmacology, Faculty of Pharmacy, National and Kapodistrian University of Athens, Athens, Greece
| | - Sebastian Steven
- Department of Cardiology, Molecular Cardiology, University Medical Center, Mainz, Germany
| | - Steffen Daub
- Department of Cardiology, Molecular Cardiology, University Medical Center, Mainz, Germany
| | - Thomas Münzel
- Department of Cardiology, Molecular Cardiology, University Medical Center, Mainz, Germany; German Center for Cardiovascular Research (DZHK), Partner Site Rhine-Main, Langenbeckstr. 1, 55131, Mainz, Germany.
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21
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Nikolic M, Zivkovic V, Jovic JJ, Sretenovic J, Davidovic G, Simovic S, Djokovic D, Muric N, Bolevich S, Jakovljevic V. SGLT2 inhibitors: a focus on cardiac benefits and potential mechanisms. Heart Fail Rev 2021; 27:935-949. [PMID: 33534040 DOI: 10.1007/s10741-021-10079-9] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 01/21/2021] [Indexed: 12/16/2022]
Abstract
This paper highlights the cardioprotective potential of sodium-glucose cotransporter 2 inhibitors (SLGT2i), as well as several most discussed mechanisms responsible for their cardioprotection. Cardiovascular diseases are considered a primary cause of death in nearly 80% of type 2 diabetes mellitus (T2DM) patients, with a 2-4-fold greater incidence of heart failure (HF) among diabetics. As novel hypoglycemics, SGLT2i showed exceptional cardiovascular benefits, reflected through robust reductions of cardiovascular mortality and hospitalization for HF in T2DM patients. Recently, those effects have been reported even in patients with HF and reduced ejection fraction irrespectively of diabetic status, suggesting that cardioprotective effects of SGLT2i are driven independently of their hypoglycemic actions. SGLT2i exerted hemodynamic and metabolic effects, partially driven by natriuresis and osmotic diuresis. However, those systemic effects are modest, and therefore cannot be completely related to the cardiac benefits of these agents in T2DM patients. Hence, increased circulating ketone levels during SGLT2i administration have brought out another hypothesis of a cardiac metabolic switch. Moreover, SGLT2i influence ion homeostasis and exert anti-inflammatory and antifibrotic effects. Their enviable influence on oxidative stress markers, as well as anti- and pro-apoptotic factors, have also been reported. However, since the main mechanistical contributor of their cardioprotection has not been elucidated yet, a joint action of systemic and molecular mechanisms has been suggested. In the light of ongoing trials evaluating the effects of SGLT2i in patients with HF and preserved ejection fraction, a new chapter of beneficial SGLT2i mechanisms is expected, which might resolve their main underlying action.
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Affiliation(s)
- Maja Nikolic
- Department of Physiology, Faculty of Medical Sciences, University of Kragujevac, Kragujevac, Serbia
| | - Vladimir Zivkovic
- Department of Physiology, Faculty of Medical Sciences, University of Kragujevac, Kragujevac, Serbia
| | - Jovana Joksimovic Jovic
- Department of Physiology, Faculty of Medical Sciences, University of Kragujevac, Kragujevac, Serbia
| | - Jasmina Sretenovic
- Department of Physiology, Faculty of Medical Sciences, University of Kragujevac, Kragujevac, Serbia
| | - Goran Davidovic
- Department of Internal Medicine, Faculty of Medical Sciences, University of Kragujevac, Kragujevac, Serbia
- Clinic of Cardiology, Clinical Center Kragujevac, Kragujevac, Serbia
| | - Stefan Simovic
- Department of Internal Medicine, Faculty of Medical Sciences, University of Kragujevac, Kragujevac, Serbia
- Clinic of Cardiology, Clinical Center Kragujevac, Kragujevac, Serbia
| | - Danijela Djokovic
- Department of Psychiatry, Faculty of Medical Sciences, University of Kragujevac, Kragujevac, Serbia
- Clinic of Psychiatry, Clinical Center Kragujevac, Kragujevac, Serbia
| | - Nemanja Muric
- Department of Psychiatry, Faculty of Medical Sciences, University of Kragujevac, Kragujevac, Serbia
- Clinic of Psychiatry, Clinical Center Kragujevac, Kragujevac, Serbia
| | - Sergey Bolevich
- Department of Human Pathology, 1st Moscow State Medical University IM Sechenov, Moscow, Russia
| | - Vladimir Jakovljevic
- Department of Physiology, Faculty of Medical Sciences, University of Kragujevac, Kragujevac, Serbia.
- Department of Human Pathology, 1st Moscow State Medical University IM Sechenov, Moscow, Russia.
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22
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Hariharan A, Hakeem AR, Radhakrishnan S, Reddy MS, Rela M. The Role and Therapeutic Potential of NF-kappa-B Pathway in Severe COVID-19 Patients. Inflammopharmacology 2021; 29:91-100. [PMID: 33159646 PMCID: PMC7648206 DOI: 10.1007/s10787-020-00773-9] [Citation(s) in RCA: 201] [Impact Index Per Article: 67.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2020] [Accepted: 10/25/2020] [Indexed: 12/17/2022]
Abstract
Coronavirus disease 2019 (COVID-19) pandemic has affected health care systems worldwide. Severe presentations of COVID-19 such as severe pneumonia and acute respiratory distress syndrome (ARDS) have been associated with the post-viral activation and release of cytokine/chemokines which leads to a "cytokine storm" causing inflammatory response and destruction, mainly affecting the lungs. COVID-19 activation of transcription factor, NF-kappa B (NF-κB) in various cells such as macrophages of lung, liver, kidney, central nervous system, gastrointestinal system and cardiovascular system leads to production of IL-1, IL-2, IL-6, IL-12, TNF-α, LT-α, LT-β, GM-CSF, and various chemokines. The sensitised NF-κB in elderly and in patients with metabolic syndrome makes this set of population susceptible to COVID-19 and their worse complications, including higher mortality. Immunomodulation at the level of NF-κB activation and inhibitors of NF-κB (IκB) degradation along with TNF-α inhibition will potentially result in a reduction in the cytokine storm and alleviate the severity of COVID-19. Inhibition of NF-κB pathway has a potential therapeutic role in alleviating the severe form of COVID-19.
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Affiliation(s)
- Apurva Hariharan
- SRM Medical College Hospital and Research Centre, Chennai, Tamilnadu, India
| | - Abdul Rahman Hakeem
- The Institute of Liver Disease and Transplantation, Dr. Rela Institute and Medical Centre, Bharath Institute of Higher Education and Research, Chennai, Tamilnadu, India
| | | | - Mettu Srinivas Reddy
- The Institute of Liver Disease and Transplantation, Dr. Rela Institute and Medical Centre, Bharath Institute of Higher Education and Research, Chennai, Tamilnadu, India
| | - Mohamed Rela
- The Institute of Liver Disease and Transplantation, Dr. Rela Institute and Medical Centre, Bharath Institute of Higher Education and Research, Chennai, Tamilnadu, India.
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Abstract
Heart failure is an epidemic disease which affects about 1% to 2% of the population worldwide. Both, the etiology and phenotype of heart failure differ largely. Following a cardiac injury (e.g., myocardial infarction, increased preload or afterload) cellular, structural and neurohumoral modulations occur that affect the phenotype being present. These processes influence the cell function among intra- as well as intercellular behavior. In consequence, activation of the sympathoadrenergic and renin-angiotensin-aldosterone-system takes place leading to adaptive mechanisms, which are accompanied by volume overload, tachycardia, dyspnoea and further deterioration of the cellular function (vicious circle). There exists no heart failure specific clinical sign; the clinical symptomatic shows progressive deterioration acutely or chronically. As a measure of cellular dysfunction, the level of neurohormones (norepinephrine) and natriuretic peptides (e.g., NT-pro BNP) increase. For the diagnosis of heart failure, noninvasive (echocardiography, NMR, NT-proBNP) and invasive (heart catheterization, biopsy) diagnostic procedures are implemented. Modulation of the activated systems by ß-blocker, ACE-inhibitors and ARNI improve outcome and symptoms in heart failure patients with left ventricular dysfunction. Interventional and surgical therapy options may be performed as well. The understanding of the underlying pathophysiology of heart failure is essential to initiate the adequate therapeutic option individually for each patient. Furthermore, prevention of cardiovascular risk factors is essential to lower the risk of heart failure.
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Affiliation(s)
- Robert H G Schwinger
- Kardiologie, Nephrologie/Hypertonie, Pneumologie, Internistische Intensivmedizin, Medizinische Klinik II, Klinikum Weiden, Weiden, Germany
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24
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Comprehensive Review of Methodology to Detect Reactive Oxygen Species (ROS) in Mammalian Species and Establish Its Relationship with Antioxidants and Cancer. Antioxidants (Basel) 2021; 10:antiox10010128. [PMID: 33477494 PMCID: PMC7831054 DOI: 10.3390/antiox10010128] [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: 12/12/2020] [Revised: 01/09/2021] [Accepted: 01/13/2021] [Indexed: 12/17/2022] Open
Abstract
Evidence suggests that reactive oxygen species (ROS) mediate tissue homeostasis, cellular signaling, differentiation, and survival. ROS and antioxidants exert both beneficial and harmful effects on cancer. ROS at different concentrations exhibit different functions. This creates necessity to understand the relation between ROS, antioxidants, and cancer, and methods for detection of ROS. This review highlights various sources and types of ROS, their tumorigenic and tumor prevention effects; types of antioxidants, their tumorigenic and tumor prevention effects; and abnormal ROS detoxification in cancer; and methods to measure ROS. We conclude that improving genetic screening methods and bringing higher clarity in determination of enzymatic pathways and scale-up in cancer models profiling, using omics technology, would support in-depth understanding of antioxidant pathways and ROS complexities. Although numerous methods for ROS detection are developing very rapidly, yet further modifications are required to minimize the limitations associated with currently available methods.
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25
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Morris G, Bortolasci CC, Puri BK, Olive L, Marx W, O'Neil A, Athan E, Carvalho A, Maes M, Walder K, Berk M. Preventing the development of severe COVID-19 by modifying immunothrombosis. Life Sci 2021; 264:118617. [PMID: 33096114 PMCID: PMC7574725 DOI: 10.1016/j.lfs.2020.118617] [Citation(s) in RCA: 35] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2020] [Revised: 10/01/2020] [Accepted: 10/13/2020] [Indexed: 01/10/2023]
Abstract
BACKGROUND COVID-19-associated acute respiratory distress syndrome (ARDS) is associated with significant morbidity and high levels of mortality. This paper describes the processes involved in the pathophysiology of COVID-19 from the initial infection and subsequent destruction of type II alveolar epithelial cells by SARS-CoV-2 and culminating in the development of ARDS. MAIN BODY The activation of alveolar cells and alveolar macrophages leads to the release of large quantities of proinflammatory cytokines and chemokines and their translocation into the pulmonary vasculature. The presence of these inflammatory mediators in the vascular compartment leads to the activation of vascular endothelial cells platelets and neutrophils and the subsequent formation of platelet neutrophil complexes. These complexes in concert with activated endothelial cells interact to create a state of immunothrombosis. The consequence of immunothrombosis include hypercoagulation, accelerating inflammation, fibrin deposition, migration of neutrophil extracellular traps (NETs) producing neutrophils into the alveolar apace, activation of the NLRP3 inflammazome, increased alveolar macrophage destruction and massive tissue damage by pyroptosis and necroptosis Therapeutic combinations aimed at ameliorating immunothrombosis and preventing the development of severe COVID-19 are discussed in detail.
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Affiliation(s)
- Gerwyn Morris
- Deakin University, IMPACT - the Institute for Mental and Physical Health and Clinical Translation, School of Medicine, Barwon Health, Geelong, Australia
| | - Chiara C Bortolasci
- Deakin University, IMPACT - the Institute for Mental and Physical Health and Clinical Translation, School of Medicine, Barwon Health, Geelong, Australia; Deakin University, Centre for Molecular and Medical Research, School of Medicine, Geelong, Australia
| | | | - Lisa Olive
- Deakin University, IMPACT - the Institute for Mental and Physical Health and Clinical Translation, School of Medicine, Barwon Health, Geelong, Australia; School of Psychology, Deakin University, Geelong, Australia
| | - Wolfgang Marx
- Deakin University, IMPACT - the Institute for Mental and Physical Health and Clinical Translation, School of Medicine, Barwon Health, Geelong, Australia
| | - Adrienne O'Neil
- Deakin University, IMPACT - the Institute for Mental and Physical Health and Clinical Translation, School of Medicine, Barwon Health, Geelong, Australia; Melbourne School of Population and Global Health, Melbourne, Australia
| | - Eugene Athan
- Deakin University, IMPACT - the Institute for Mental and Physical Health and Clinical Translation, School of Medicine, Barwon Health, Geelong, Australia; Barwon Health, Geelong, Australia
| | - Andre Carvalho
- Deakin University, IMPACT - the Institute for Mental and Physical Health and Clinical Translation, School of Medicine, Barwon Health, Geelong, Australia; Department of Psychiatry, University of Toronto, Toronto, Canada; Centre for Addiction and Mental Health (CAMH), Toronto, Canada
| | - Michael Maes
- Deakin University, IMPACT - the Institute for Mental and Physical Health and Clinical Translation, School of Medicine, Barwon Health, Geelong, Australia; Department of Psychiatry, King Chulalongkorn University Hospital, Bangkok, Thailand; Department of Psychiatry, Medical University of Plovdiv, Plovdiv, Bulgaria
| | - Ken Walder
- Deakin University, IMPACT - the Institute for Mental and Physical Health and Clinical Translation, School of Medicine, Barwon Health, Geelong, Australia; Deakin University, Centre for Molecular and Medical Research, School of Medicine, Geelong, Australia
| | - Michael Berk
- Deakin University, IMPACT - the Institute for Mental and Physical Health and Clinical Translation, School of Medicine, Barwon Health, Geelong, Australia; Orygen, The National Centre of Excellence in Youth Mental Health, Centre for Youth Mental Health, Florey Institute for Neuroscience and Mental Health and the Department of Psychiatry, The University of Melbourne, Melbourne, Australia.
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26
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De Oliveira Mantovani R, Pinheiro DG, De Oliveira GLF, Perrud SN, Teixeira GR, Nai GA, Veras ASC, de Almeida Tavares ME, de Oliveira Mendes L, Pacagnelli FL. Effect of different doses of 2,4-dichlorophenoxyacetic acid (2,4-D) on cardiac parameters in male Wistar rats. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:3078-3087. [PMID: 32901410 DOI: 10.1007/s11356-020-10699-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/11/2019] [Accepted: 08/31/2020] [Indexed: 06/11/2023]
Abstract
The objective of this study was to evaluate the effects of different doses of 2,4-dichlorophenoxyacetic herbicide in rat hearts. Exposure was through rat food that was nebulized with the herbicide. Thirty adult male Wistar rats (200-300 g) were used. The diet was exposed to 2,4-D in two different doses (CG: control group 10 ml distilled water; LCG: low concentration group 3.71 × 10-3 g.ia/ha diluted in 10 ml saline at 0.9% and HCG: High concentration group 9.28 × 10-3 g.ia/ha diluted in 10 ml 0.9% saline). After 6 months of exposure, blood samples were collected for CKMB evaluation, and left ventricular fragments were analyzed by histological evaluation, fibrosis measurements, fractal dimension and immunohistochemistry (BAX, Bcl2, TNF-α and NF-kB). There were no significant changes in CK-MB concentration, histological parameters, fibrosis measurements and fractal dimension. Long-term oral consumption of food nebulized by the herbicide 2,4-D promoted an increase in BAX, Bcl-2/BAX, and cytoplasmic NF-kB in the nuclear area of the group that received the highest dose of the herbicide. This suggests that the herbicide induces cardiotoxicity.
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Affiliation(s)
| | - Dyovana Gomes Pinheiro
- Faculty of Health Sciences, Physiotherapy, University of Western São Paulo (UNOESTE), Presidente Prudente, Brazil
| | | | - Stéfani Nobrega Perrud
- Faculty of Health Sciences, Physiotherapy, University of Western São Paulo (UNOESTE), Presidente Prudente, Brazil
| | | | - Gisele Alborghetti Nai
- Postgraduate Animal Science Program, University of Western São Paulo (UNOESTE), Presidente Prudente, Brazil
| | - Allice Santos Cruz Veras
- Faculty of Science and Technology, São Paulo State University (UNESP), Presidente Prudente, Brazil
| | | | | | - Francis Lopes Pacagnelli
- Postgraduate Animal Science Program, University of Western São Paulo (UNOESTE), Presidente Prudente, Brazil
- Faculty of Health Sciences, Physiotherapy, University of Western São Paulo (UNOESTE), Presidente Prudente, Brazil
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27
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Obeticholic acid ameliorates hepatorenal syndrome in ascitic cirrhotic rats by down-regulating the renal 8-iso-PGF2α-activated COX-TXA2 pathway. Clin Sci (Lond) 2020; 134:2055-2073. [PMID: 32725149 DOI: 10.1042/cs20200452] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2020] [Revised: 07/28/2020] [Accepted: 07/28/2020] [Indexed: 12/16/2022]
Abstract
BACKGROUNDS/AIMS The present study explores the potential of chronic treatment with the Foresaid X receptor (FXR) agonist obeticholic acid (OCA), which inhibits oxidative stress-related pathogenesis, in ascitic cirrhotic rats with hepatorenal syndrome (HRS) developed 6 weeks after bile duct ligation (BDL). METHODS Systemic, splanchnic, and renal hemodynamics and pathogenic cascades were measured in ascitic BDL and sham rats receiving 2-weeks of either vehicle or OCA treatments (sham-OCA and BDL-OCA groups), and NRK-52E cells, rat kidney tubular epithelial cells. RESULTS Chronic OCA treatment significantly normalized portal hypertension, glomerular filtration rate, urine output, renal blood flow; decreased ascites, renal vascular resistance, serum creatinine, and the release of renal tubular damage markers, including urinary neutrophil gelatinase-associated lipocalin (uNGAL) and kidney injury moleculae-1 (uKim-1) in BDL-OCA rats. In the BDL group, inhibition of the renal oxidative stress (8-iso-PGF2α)-activated cyclooxygenase-thromboxane A2 [COX-TXA2] pathway, apoptosis, and tubular injury accompanied by a decrease in hyper-responsiveness to the vasoconstrictor 8-iso-PGF2α in perfused kidneys. In vitro experiments revealed that 8-iso-PGF2α induced oxidative stress, release of reactive oxygen species, and cell apoptosis, which were reversed by concomitant incubation with the FXR agonist. CONCLUSIONS Through the inhibition of renal 8-iso-PGF2α production and the down-regulation of the COX-TXA2 pathway, our study suggests that chronic OCA treatment can ameliorate the HRS in ascitic cirrhotic rats. Thus, OCA is an agent with antioxidative stress, antivasoconstrictive, antiapoptotic properties which benefit ascitic, cirrhotic rats with systemic, hepatic, and renal abnormalities.
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28
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Nkadimeng SM, Steinmann CML, Eloff JN. Effects and safety of Psilocybe cubensis and Panaeolus cyanescens magic mushroom extracts on endothelin-1-induced hypertrophy and cell injury in cardiomyocytes. Sci Rep 2020; 10:22314. [PMID: 33339902 PMCID: PMC7749179 DOI: 10.1038/s41598-020-79328-5] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2020] [Accepted: 12/08/2020] [Indexed: 02/04/2023] Open
Abstract
Prevalence of major depression in people with chronic heart failure is higher than in normal populations. Depression in heart failure has become a major issue. Psilocybin-containing mushrooms commonly known as magic mushrooms, have been used since ancient times for their mind healing properties. Their safety in cardiovascular disease conditions is not fully known and may pose as a risk for users suffering from these illnesses. Study investigates the effects and safety of Psilocybe cubensis and Panaeolus cyanescens magic mushrooms use from genus Psilocybe and Panaeolus respectively, in a pathological hypertrophy conditions in which endothelin-1 disorder is a contributor to pathogenesis. We examined the effects of the mushrooms extracts on endothelin-1-induced hypertrophy and tumor necrosis factor-α (TNF- α)-induced cell injury in H9C2 cardiomyocytes. Mushrooms were oven dried and extracted with cold and boiling-hot water. H9C2 cardiomyocytes were induced with endothelin-1 prior to treatment with extracts over 48 h. Cell injury was stimulated with TNF-α. Results proposed that the water extracts of Panaeolus cyanescens and Psilocybe cubensis did not aggravate the pathological hypertrophy induced by endothelin-1 and also protected against the TNF-α-induced injury and cell death in concentrations used. Results support medicinal safe use of mushrooms under controlled conditions and cautioned use of higher concentrations.
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Affiliation(s)
- Sanah M Nkadimeng
- Phytomedicine Programme, Paraclinical Sciences Department, University of Pretoria, P/Bag X04, Onderstepoort, Pretoria, 0110, Gauteng, South Africa.
| | - Christiaan M L Steinmann
- Physiology Department, School of Medicine, Sefako Makgatho Health Sciences University, Pretoria, South Africa
| | - Jacobus N Eloff
- Phytomedicine Programme, Paraclinical Sciences Department, University of Pretoria, P/Bag X04, Onderstepoort, Pretoria, 0110, Gauteng, South Africa
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29
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Ng PCI, Chan JYW, Leung RKK, Li J, Ren Z, Chan AWH, Xu Y, Lee SS, Wang R, Ji X, Zheng J, Chan DPC, Yew WW, Lee SMY. Role of oxidative stress in clofazimine-induced cardiac dysfunction in a zebrafish model. Biomed Pharmacother 2020; 132:110749. [PMID: 33017766 DOI: 10.1016/j.biopha.2020.110749] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2020] [Revised: 08/19/2020] [Accepted: 09/07/2020] [Indexed: 10/23/2022] Open
Abstract
BACKGROUND Clofazimine (CFZ), a riminophenazine, is now commonly used in the treatment of multidrug-resistant tuberculosis. However, its use may be potentially associated with cardiac dysfunction in some individuals. In this study, the zebrafish heart, by merit of its developmental and genetic characteristics being in homology with that of human, was chosen as an animal model for evaluation of such dysfunction. METHODS Morphological and physiological parameters were used to assess cardiac dysfunction. Transcriptome analysis was performed, followed by validation with real-time quantitative PCR, for delineation of the relevant genomics. RESULTS Exposure of 2 dpf zebrafish to 4 mg/L CFZ for 2 days, adversely affected cardiac functions including significant decreases in HR, SV, CO, and FS, with observable pathophysiological developments of pericardial effusion and blood accumulation in the heart, in comparison with the control group. In addition, genes which respond to xenobiotic stimulus, related to oxygen transport, glutathione metabolism and extracellular matrix -receptor interactions, were significantly enriched among the differentially up-regulated genes. Antioxidant response element motif was enriched in the 5000 base pair upstream regions of the differentially expressed genes. Co-administration of N-acetylcysteine was shown to protect zebrafish against the development of CFZ-induced cardiac dysfunction. CONCLUSIONS This study suggests an important role of oxidative stress as a major pathogenetic mechanism of riminophenazine-induced cardiac dysfunction.
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Affiliation(s)
- Phoebe C I Ng
- State Key Laboratory of Quality Research in Chinese Medicine and Institute of Chinese Medical Sciences, University of Macau, Macao, China
| | - Judy Y W Chan
- State Key Laboratory of Quality Research in Chinese Medicine and Institute of Chinese Medical Sciences, University of Macau, Macao, China
| | - Ross K K Leung
- School of Public Health, University of Hong Kong, Hong Kong, China; Stanley Ho Centre for Emerging Infectious Diseases, Chinese University of Hong Kong, Hong Kong, China
| | - J Li
- State Key Laboratory of Quality Research in Chinese Medicine and Institute of Chinese Medical Sciences, University of Macau, Macao, China
| | - Z Ren
- State Key Laboratory of Quality Research in Chinese Medicine and Institute of Chinese Medical Sciences, University of Macau, Macao, China
| | - Anthony W H Chan
- Department of Anatomical & Cellular Pathology, Chinese University of Hong Kong, Hong Kong, China
| | - Y Xu
- Stanley Ho Centre for Emerging Infectious Diseases, Chinese University of Hong Kong, Hong Kong, China
| | - S S Lee
- Stanley Ho Centre for Emerging Infectious Diseases, Chinese University of Hong Kong, Hong Kong, China
| | - R Wang
- State Key Laboratory of Quality Research in Chinese Medicine and Institute of Chinese Medical Sciences, University of Macau, Macao, China
| | - Xia Ji
- Faculty of Health Sciences, University of Macau, Macao, China
| | - Jun Zheng
- Faculty of Health Sciences, University of Macau, Macao, China
| | - Denise P C Chan
- Stanley Ho Centre for Emerging Infectious Diseases, Chinese University of Hong Kong, Hong Kong, China.
| | - W W Yew
- Stanley Ho Centre for Emerging Infectious Diseases, Chinese University of Hong Kong, Hong Kong, China.
| | - Simon M Y Lee
- State Key Laboratory of Quality Research in Chinese Medicine and Institute of Chinese Medical Sciences, University of Macau, Macao, China.
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30
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Morris G, Bortolasci CC, Puri BK, Olive L, Marx W, O'Neil A, Athan E, Carvalho AF, Maes M, Walder K, Berk M. The pathophysiology of SARS-CoV-2: A suggested model and therapeutic approach. Life Sci 2020; 258:118166. [PMID: 32739471 PMCID: PMC7392886 DOI: 10.1016/j.lfs.2020.118166] [Citation(s) in RCA: 68] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2020] [Revised: 07/23/2020] [Accepted: 07/25/2020] [Indexed: 01/10/2023]
Abstract
In this paper, a model is proposed of the pathophysiological processes of COVID-19 starting from the infection of human type II alveolar epithelial cells (pneumocytes) by SARS-CoV-2 and culminating in the development of ARDS. The innate immune response to infection of type II alveolar epithelial cells leads both to their death by apoptosis and pyroptosis and to alveolar macrophage activation. Activated macrophages secrete proinflammatory cytokines and chemokines and tend to polarise into the inflammatory M1 phenotype. These changes are associated with activation of vascular endothelial cells and thence the recruitment of highly toxic neutrophils and inflammatory activated platelets into the alveolar space. Activated vascular endothelial cells become a source of proinflammatory cytokines and reactive oxygen species (ROS) and contribute to the development of coagulopathy, systemic sepsis, a cytokine storm and ARDS. Pulmonary activated platelets are also an important source of proinflammatory cytokines and ROS, as well as exacerbating pulmonary neutrophil-mediated inflammatory responses and contributing to systemic sepsis by binding to neutrophils to form platelet-neutrophil complexes (PNCs). PNC formation increases neutrophil recruitment, activation priming and extraversion of these immune cells into inflamed pulmonary tissue, thereby contributing to ARDS. Sequestered PNCs cause the development of a procoagulant and proinflammatory environment. The contribution to ARDS of increased extracellular histone levels, circulating mitochondrial DNA, the chromatin protein HMGB1, decreased neutrophil apoptosis, impaired macrophage efferocytosis, the cytokine storm, the toll-like receptor radical cycle, pyroptosis, necroinflammation, lymphopenia and a high Th17 to regulatory T lymphocyte ratio are detailed.
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Affiliation(s)
- Gerwyn Morris
- Deakin University, IMPACT – the Institute for Mental and Physical Health and Clinical Translation, School of Medicine, Barwon Health, Geelong, Australia
| | - Chiara C. Bortolasci
- Deakin University, IMPACT – the Institute for Mental and Physical Health and Clinical Translation, School of Medicine, Barwon Health, Geelong, Australia,Deakin University, Centre for Molecular and Medical Research, School of Medicine, Geelong, Australia,Corresponding author at: IMPACT – the Institute for Mental and Physical Health and Clinical Translation, Deakin University, 75 Pigdons Road, Waurn Ponds, Victoria 3218, Australia
| | | | - Lisa Olive
- Deakin University, IMPACT – the Institute for Mental and Physical Health and Clinical Translation, School of Medicine, Barwon Health, Geelong, Australia,School of Psychology, Deakin University, Geelong, Australia
| | - Wolfgang Marx
- Deakin University, IMPACT – the Institute for Mental and Physical Health and Clinical Translation, School of Medicine, Barwon Health, Geelong, Australia
| | - Adrienne O'Neil
- Deakin University, IMPACT – the Institute for Mental and Physical Health and Clinical Translation, School of Medicine, Barwon Health, Geelong, Australia,Melbourne School of Population and Global Health, University of Melbourne, Melbourne, Australia
| | - Eugene Athan
- Deakin University, IMPACT – the Institute for Mental and Physical Health and Clinical Translation, School of Medicine, Barwon Health, Geelong, Australia,Barwon Health, Geelong, Australia
| | - Andre F. Carvalho
- Deakin University, IMPACT – the Institute for Mental and Physical Health and Clinical Translation, School of Medicine, Barwon Health, Geelong, Australia,Department of Psychiatry, University of Toronto, Toronto, Canada,Centre for Addiction and Mental Health (CAMH), Toronto, Canada
| | - Michael Maes
- Deakin University, IMPACT – the Institute for Mental and Physical Health and Clinical Translation, School of Medicine, Barwon Health, Geelong, Australia,Department of Psychiatry, King Chulalongkorn University Hospital, Bangkok, Thailand,Department of Psychiatry, Medical University of Plovdiv, Plovdiv, Bulgaria
| | - Ken Walder
- Deakin University, IMPACT – the Institute for Mental and Physical Health and Clinical Translation, School of Medicine, Barwon Health, Geelong, Australia,Deakin University, Centre for Molecular and Medical Research, School of Medicine, Geelong, Australia
| | - Michael Berk
- Deakin University, IMPACT – the Institute for Mental and Physical Health and Clinical Translation, School of Medicine, Barwon Health, Geelong, Australia,Orygen, The National Centre of Excellence in Youth Mental Health, Centre for Youth Mental Health, Florey Institute for Neuroscience and Mental Health and the Department of Psychiatry, The University of Melbourne, Melbourne, Australia
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Effects of Sulfur Amino Acids on Cardiodynamic Parameters of Isolated Rat Heart. SERBIAN JOURNAL OF EXPERIMENTAL AND CLINICAL RESEARCH 2020. [DOI: 10.2478/sjecr-2020-0025] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Abstract
Sulfur-containing amino acids are integral part of molecular mechanisms which underlie many aspects of cellular function and homeostasis, facilitated by reversible changes in oxidation states of sulfur atoms. Dysregulation of these pathways is associated with diverse pathologies, notably of the cardiovascular system, which are typically characterized by inappropriate plasma levels of sulfur-containing amino acids. The aim of this study was to assess the acute, direct effects of sulfur-containing amino acids and inorganic NaHS, as H2S donor, on cardiodynamic parameters in homocysteine treated rats. Moderate hyperhomocysteinemia did not cause significant decrease in myocardial contractility, but our findings suggest that NaHS and L-methionine cause negative effects on cardiac function in hearts of the rats treated with homo-cysteine, even in a single administration. Further investigations need to be carried out with purpose of better understanding and highlightening the impact of Hcy and sulphur amino acids on cardiac function.
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Dash M, Dey A, Chattopadhyay S. Mitigation of arsenic driven utero-ovarian malfunction and changes of apoptotic gene expression by dietary NAC. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2020; 199:110675. [PMID: 32402895 DOI: 10.1016/j.ecoenv.2020.110675] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/19/2020] [Revised: 04/21/2020] [Accepted: 04/22/2020] [Indexed: 05/20/2023]
Abstract
An oral painless dietary therapy is also indispensable in the management of arsenic toxicity despite of its conventional painful therapeutic management. The present study focused on the management of arsenic mediated female reproductive dysfunctions by dietary therapy of N-acetyl cysteine (NAC). Here, sodium arsenite was given at the dose of 10 mg/kg body weight orally for the first 8 day. Day 9 onwards up to day 16 these arsenicated rats were provided with NAC (250 mg/kg body weight) enriched basal diet once daily. Arsenic intoxicated group exhibited a comparable inactivation of antioxidant enzymes superoxide dismutase (SOD), catalase and glutathione peroxidase (GPx) due to oxidative stress in reproductive organs along with a simultaneous elevation of lipid peroxidation state and decline in non-protein soluble thiols (NPSH) level in female reproductive organs. Arsenic intoxication also accomplished with the up-regulation of inflammatory markers tumour necrosis factor (TNF α) and nuclear factor κB (NF κB). Pro-apoptotic Bax gene and p53 gene expressions were also raised due to arsenic intoxication while anti-apoptotic Bcl-2 gene expression was suppressed. In fact, arsenication decreased the circulating level of vitamin B12 and folic acid. Dietary NAC supplementation significantly reversed back the activity of antioxidant enzymes in arsenite fed rats towards normalcy and also sustained the normal reproductive cyclicity, utero-ovarian histo-morphology and estradiol receptor α (ER-α) expression in these reproductive organs. Dietary NAC exerted its positive action against arsenic intoxication by up-regulation of Bcl-2 gene expression along with the suppression of pro-apoptotic Bax gene and p53 gene. Thus, dietary NAC also plays anti-apoptotic, anti-inflammatory, and anti-oxidative role against arsenic toxicity. NAC also regulates the components (vitamin B12 and folic acid) of S-adenosylmethionine pool in the way of probable removal of arsenic from the system.
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Affiliation(s)
- Moumita Dash
- Department of Biomedical Laboratory Science and Management and Clinical Nutrition and Dietetics Division, Vidyasagar University, Midnapore, 721102, West Bengal, India
| | - Arindam Dey
- Department of Biomedical Laboratory Science and Management and Clinical Nutrition and Dietetics Division, Vidyasagar University, Midnapore, 721102, West Bengal, India
| | - Sandip Chattopadhyay
- Department of Biomedical Laboratory Science and Management and Clinical Nutrition and Dietetics Division, Vidyasagar University, Midnapore, 721102, West Bengal, India.
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Abdel Hamid OI, Ibrahim EM, Hussien MH, ElKhateeb SA. The molecular mechanisms of lithium-induced cardiotoxicity in male rats and its amelioration by N-acetyl cysteine. Hum Exp Toxicol 2020; 39:696-711. [PMID: 31928237 DOI: 10.1177/0960327119897759] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Lithium is one of the most powerful and commonly used medications for the treatment of various psychiatric diseases, especially bipolar disorder. However, it has a narrow therapeutic index with toxic effects on various organs. There are several case reports of lithium-induced arrhythmia and ischemia. The current work aimed to study the toxic effects of lithium on the heart of adult albino rats and its molecular mechanisms and the ameliorating effect of N-acetyl cysteine (NAC). Sixty adult male Wistar albino rats were classified into four groups; control, NAC-treated received NAC 500 mg/kg/week dissolved in 1 ml 0.9% sodium chloride intraperitoneal, lithium-treated received 52.5 mg/kg/day of lithium carbonate dissolved in 1 ml 0.9% sodium chloride orally by gavage, and lithium-and-NAC-treated (group IV) received lithium and NAC in the previous doses. After 12 weeks, the rats of group III showed a significant accumulation of ascites and a decrease in the mean arterial blood pressure and electrocardiographic (ECG) findings of ischemia and arrhythmia. In addition, there was an elevation in cardiac biomarkers creatine kinase MB (CK-MB), cardiac troponin I (cTnI), and several histological lesions with a significant increase in the area % of Van Gieson, endothelial nitric oxide synthase (eNOS), and 8-hydroxy-2'-deoxyguanosine (8-OHdG) immunoreaction. There was significant upregulation of microRNA-1, microRNA-21 (miRNA-21), and microRNA-29 (miRNA-29). MiRNA-21 was strongly positively correlated to the area % of 8-OHdG, while miRNA-29 was strongly positively correlated to the area % of Van Gieson staining. NAC significantly improved the cardiotoxic effects of lithium. Being a nontoxic and safe antioxidant, NAC can be used to ameliorate lithium-induced cardiac injury.
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Affiliation(s)
- Omaima I Abdel Hamid
- Department of Forensic Medicine and Clinical Toxicology, Faculty of Medicine, Zagazig University, Zagazig, Egypt
| | - Ebtesam M Ibrahim
- Department of Medical Physiology, Faculty of Medicine, Zagazig University, Zagazig, Egypt
| | - Marwa Hs Hussien
- Department of Medical Biochemistry, Faculty of Medicine, Zagazig University, Zagazig, Egypt
| | - Shereen A ElKhateeb
- Department of Forensic Medicine and Clinical Toxicology, Faculty of Medicine, Zagazig University, Zagazig, Egypt
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Zhang Z, Xiong T, Zheng R, Huang J, Guo L. N‑acetyl cysteine protects HUVECs against lipopolysaccharide‑mediated inflammatory reaction by blocking the NF‑κB signaling pathway. Mol Med Rep 2019; 20:4349-4357. [PMID: 31545445 DOI: 10.3892/mmr.2019.10678] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2019] [Accepted: 08/06/2019] [Indexed: 11/05/2022] Open
Abstract
The purpose of the study was to explore the potential protective effects of N‑acetylcysteine (NAC) against lipopolysaccharide (LPS)‑induced inflammatory injury to human umbilical vein endothelial cells (HUVECs). It was also assessed whether the underlying mechanism of this protective effect is mediated via suppression of the nuclear factor‑kappa B (NF‑κB) signaling pathway. Cell viability of HUVECs treated with different concentrations of NAC was assessed using Cell Counting Kit‑8 (CCK‑8) assay. The mRNA expression of inflammatory factors [interleukin‑8 (IL‑8), tumor necrosis factor α (TNF‑α), inducible nitric oxide synthase (iNOS), and intercellular cell adhesive molecule 1 (ICAM‑1)] were assessed using real time semi‑quantitative polymerase chain reaction. Protein expression levels of TNF‑α and IL‑8 were assessed using enzyme‑linked immunosorbent assay. Protein expression levels of ICAM‑1 and the NF‑κB signaling pathway were assessed using western blotting. Nitric reductase method was used to quantify nitric oxide (NO) and iNOS. LPS stimulated the production of TNF‑α, IL‑8, NO, and ICAM‑1 by HUVECs. Moreover, LPS induced activation of the NF‑κB signaling pathway and increased the protein expression of phosphorylated p65. However, pretreatment of HUVECs with NAC significantly attenuated the increase in the expression of inflammatory factors and the level of phosphorylated p65; this indicated that NAC prevented the activation of the NF‑κB signaling pathway. The present findings indicated that NAC protects HUVECs against LPS‑mediated inflammatory reaction and alleviates inflammation. The underlying mechanism is related to the NF‑κB signaling pathway. NAC appears to be a promising agent for prevention and treatment of inflammatory diseases.
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Affiliation(s)
- Zhenzhen Zhang
- Department of Prosthodontics, Hospital of Stomatology Affiliated to Southwest Medical University, Luzhou, Sichuan 646000, P.R. China
| | - Ting Xiong
- Department of Prosthodontics, Hospital of Stomatology Affiliated to Southwest Medical University, Luzhou, Sichuan 646000, P.R. China
| | - Rui Zheng
- Department of Prosthodontics, Hospital of Stomatology Affiliated to Southwest Medical University, Luzhou, Sichuan 646000, P.R. China
| | - Jialin Huang
- Department of Prosthodontics, Hospital of Stomatology Affiliated to Southwest Medical University, Luzhou, Sichuan 646000, P.R. China
| | - Ling Guo
- Department of Prosthodontics, Hospital of Stomatology Affiliated to Southwest Medical University, Luzhou, Sichuan 646000, P.R. China
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Bartekova M, Radosinska J, Jelemensky M, Dhalla NS. Role of cytokines and inflammation in heart function during health and disease. Heart Fail Rev 2019; 23:733-758. [PMID: 29862462 DOI: 10.1007/s10741-018-9716-x] [Citation(s) in RCA: 171] [Impact Index Per Article: 34.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
By virtue of their actions on NF-κB, an inflammatory nuclear transcription factor, various cytokines have been documented to play important regulatory roles in determining cardiac function under both physiological and pathophysiological conditions. Several cytokines including TNF-α, TGF-β, and different interleukins such as IL-1 IL-4, IL-6, IL-8, and IL-18 are involved in the development of various inflammatory cardiac pathologies, namely ischemic heart disease, myocardial infarction, heart failure, and cardiomyopathies. In ischemia-related pathologies, most of the cytokines are released into the circulation and serve as biological markers of inflammation. Furthermore, there is an evidence of their direct role in the pathogenesis of ischemic injury, suggesting cytokines as potential targets for the development of some anti-ischemic therapies. On the other hand, certain cytokines such as IL-2, IL-4, IL-6, IL-8, and IL-10 are involved in the post-ischemic tissue repair and thus are considered to exert beneficial effects on cardiac function. Conflicting reports regarding the role of some cytokines in inducing cardiac dysfunction in heart failure and different types of cardiomyopathies seem to be due to differences in the nature, duration, and degree of heart disease as well as the concentrations of some cytokines in the circulation. In spite of extensive research work in this field of investigation, no satisfactory anti-cytokine therapy for improving cardiac function in any type of heart disease is available in the literature.
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Affiliation(s)
- Monika Bartekova
- Institute for Heart Research, Centre of Experimental Medicine, Slovak Academy of Sciences, Bratislava, Slovak Republic.,Institute of Physiology, Faculty of Medicine, Comenius University in Bratislava, Bratislava, Slovak Republic
| | - Jana Radosinska
- Institute for Heart Research, Centre of Experimental Medicine, Slovak Academy of Sciences, Bratislava, Slovak Republic.,Institute of Physiology, Faculty of Medicine, Comenius University in Bratislava, Bratislava, Slovak Republic
| | - Marek Jelemensky
- Institute for Heart Research, Centre of Experimental Medicine, Slovak Academy of Sciences, Bratislava, Slovak Republic
| | - Naranjan S Dhalla
- Institute of Cardiovascular Sciences, St. Boniface Hospital Albrechtsen Research Center, 351 Tache Avenue, Winnipeg, MB, R2H 2A6, Canada. .,Department of Physiology and Pathophysiology, Max Rady College of Medicine, University of Manitoba, Winnipeg, Canada.
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Zaki SM, Abdalla IL, Sadik AOE, Mohamed EA, Kaooh S. Protective Role of N-Acetylcysteine on Isoprenaline-Induced Myocardial Injury: Histological, Immunohistochemical and Morphometric Study. Cardiovasc Toxicol 2019; 18:9-23. [PMID: 28439707 DOI: 10.1007/s12012-017-9407-1] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Several researchers studied the protective effect of the N-acetylcysteine (NAC) when it was given before the induction of myocardial infarction (MI). Other researchers studied such protective effect when it was before done and after done of the MI. The missing data are the comparison between the protective effect of NAC before myocardial injury with its protective effect both before and after myocardial injury. The aim of the study was to compare the cardioprotective effect of NAC on the isoprenaline-induced myocardial injury before the isoprenaline (ISP) injection with its protective effect both before and after the ISP injection. This study was applied over both short and long time periods. A total of 90 male adult Wistar albino rats were used in the study. The rats were divided into four groups: control group, ISP-treated group, NAC-pretreated group and NAC-pre-& posttreated group. Based on the duration of the experiment, the second and third groups were further subdivided into a and b groups. Histological, immunohistochemical and histomorphometric analysis were used. The myocytes in the ISP-treated groups were fragmented, disrupted with karyolysis. The blood vessels were dilated, congested and associated with blood extravasation, interstitial edema and cellular inflammatory infiltration. Much improvement was observed in the NAC-pretreated group. Focal degeneration was detected in the muscle fibers. The capillaries were normal. Minimal blood extravasation and cellular infiltration were seen. The cardiac muscle fibers in the NAC-pre-& posttreated group were regularly arranged. The mean collagen fiber area percent of the ISP-treated groups was significantly higher by 8.3-folds and 10.1-folds as compared with that of the control group and was also higher by 5.5-folds and 6.8-folds as compared with that of the NAC-pre-&posttreated groups. The α-SMA area percent in the ISP-treated groups was significantly higher by 12.2-folds and 23.9-folds as compared with that of the control group and was higher by 7.5-folds and 15-folds as compared with that of the NAC-pre-& posttreated groups. The mean PCNA area percent of the ISP-treated groups was significantly higher by 126.2 and 164.8% as compared with that of the control group and was higher by 106.3 and 141.5% as compared with that of NAC-pre-& posttreated groups. ISP had deleterious effects on the heart. Administration of NAC before ISP injection could largely reduce the ISP-induced short- and long-term alterations. The protection was maximum with the use of NAC before the ISP injection and continued after the injection for 12 days.
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Affiliation(s)
| | | | | | - Enas Ahmad Mohamed
- Faculty of Medicine, Cairo University Kasr Alainy, Nasr City, Cairo, Egypt
| | - Sarah Kaooh
- Faculty of Medicine, Cairo University Kasr Alainy, Nasr City, Cairo, Egypt
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37
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N-acetylcysteine protects hepatocytes from hypoxia-related cell injury. Clin Exp Hepatol 2018; 4:260-266. [PMID: 30603674 PMCID: PMC6311746 DOI: 10.5114/ceh.2018.80128] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/20/2018] [Accepted: 06/06/2018] [Indexed: 02/06/2023] Open
Abstract
Aim of the study Hepatocyte transplantation has been discussed as an alternative to liver transplantation in selected cases of acute and chronic liver failure and metabolic diseases. Immediately after infusion of hepatocytes, hypoxia-related cell injury is inevitable. N-acetylcysteine (NAC) has been suggested to attenuate hypoxic damage. This study’s objective was to evaluate NAC’s protective effect in a model of hypoxia-related hepatocyte injury. Material and methods HepG2 cells were used as a model for hepatocytes and were cultured under standardized hypoxia or normoxia for 24 hours with or without NAC. Growth kinetics were monitored using trypan blue staining. The activation of apoptotic pathways was measured using quantitative real-time PCR for Bcl-2/Bax and p53. The proportions of vital, apoptotic and necrotic cells were verified by fluorescence activated cell sorting using annexin V-labelling. The expression of hypoxia inducible factor 1 (HIF-1) was measured indirectly using its downstream target vascular endothelial growth factor A (VEGF-A). Results After NAC, cell proliferation increased under both hypoxia and normoxia by 528% and 320% (p < 0.05), while VEGF-A expression decreased under normoxia by 67% and 37% (p < 0.05). Compared to cells treated without NAC under hypoxia, the Bcl-2/Bax ratio increased significantly in cells treated with NAC. This finding was confirmed by an increased number of vital cells in FACS analysis. Conclusions NAC protects hepatocytes from hypoxic injury and ultimately activates anti-apoptotic pathways.
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38
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Nežić L, Škrbić R, Amidžić L, Gajanin R, Kuča K, Jaćević V. Simvastatin Protects Cardiomyocytes Against Endotoxin-induced Apoptosis and Up-regulates Survivin/NF-κB/p65 Expression. Sci Rep 2018; 8:14652. [PMID: 30279549 PMCID: PMC6168467 DOI: 10.1038/s41598-018-32376-4] [Citation(s) in RCA: 36] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2018] [Accepted: 09/04/2018] [Indexed: 12/12/2022] Open
Abstract
This study is aimed to investigate whether simvastatin induces cardiomyocytes survival signaling in endotoxin (lipopolysaccharide, LSP)-induced myocardial injury, and if so, further to determine a role of survivin in simvastatin-anti-apoptotic effect. Wistar rats were pretreated with simvastatin (10–40 mg/kg po) before a single non-lethal dose of LPS. In myocardial tissue, LPS induced structural disorganization of myofibrils with significant inflammatory infiltrate (cardiac damage score, CDS = 3.87 ± 0.51, p < 0.05), whereas simvastatin dose-dependently abolished structural changes induced by LPS (p < 0.01). Simvastatin in 20 mg/kg and 40 mg/kg pretreatment, dose dependently, attenuated myocardial apoptosis determined as apoptotic index (28.8 ± 4.5% and 18.9 ± 3.5, p < 0.05), decreased cleaved caspase-3 expression (32.1 ± 5.8%, p < 0.01), along with significant Bcl-xL expression in the simvastatin groups (p < 0.01). Interestingly, in the simvastatin groups were determined significantly increased expression of survivin (p < 0.01), but in negative correlation with cleaved caspase-3 and apoptotic indices (p < 0.01). Simvastatin has a cardioprotective effects against LPS induced apoptosis. The effect may be mediated by up-regulation of survivin via activation of NF-κB, which leads to reduced activation of caspase-3 and consequent apoptosis of cardiomyocytes in experimental sepsis.
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Affiliation(s)
- Lana Nežić
- Department of Pharmacology, Toxicology and Clinical Pharmacology, School of Medicine, University of Banja Luka, 14 Save Mrkalja St, 78000, Banja Luka, Bosnia and Herzegovina
| | - Ranko Škrbić
- Department of Pharmacology, Toxicology and Clinical Pharmacology, School of Medicine, University of Banja Luka, 14 Save Mrkalja St, 78000, Banja Luka, Bosnia and Herzegovina
| | - Ljiljana Amidžić
- Institute of Pathology, University Clinical Center of Republic of Srpska, School of Medicine, University of Banja Luka, 12 Beba St, 78000, Banja Luka, Bosnia and Herzegovina
| | - Radoslav Gajanin
- Institute of Pathology, University Clinical Center of Republic of Srpska, School of Medicine, University of Banja Luka, 12 Beba St, 78000, Banja Luka, Bosnia and Herzegovina
| | - Kamil Kuča
- Department of Chemistry, Faculty of Science, University of Hradec Kralove, Rokitanského 62, 500 03, Hradec Králové, Czech Republic.
| | - Vesna Jaćević
- Department of Chemistry, Faculty of Science, University of Hradec Kralove, Rokitanského 62, 500 03, Hradec Králové, Czech Republic.,National Poison Control Centre, Military Medical Academy, 11 Crnotravska St, 11000, Belgrade, Serbia.,Medical Faculty of the Military Medical Academy, University of Defense in Belgrade, 1 Pavla Jurišića-Šturma St, 11000, Belgrade, Serbia
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39
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Possible Ameliorative Effect of Ivabradine on the Autonomic and Left Ventricular Dysfunction Induced by Doxorubicin in Male Rats. J Cardiovasc Pharmacol 2018; 72:22-31. [DOI: 10.1097/fjc.0000000000000586] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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40
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Kostić S, Mićovic Ž, Andrejević L, Cvetković S, Stamenković A, Stanković S, Obrenović R, Labudović-Borović M, Hrnčić D, Jakovljević V, Djurić D. The effects of L-cysteine and N-acetyl-L-cysteine on homocysteine metabolism and haemostatic markers, and on cardiac and aortic histology in subchronically methionine-treated Wistar male rats. Mol Cell Biochem 2018; 451:43-54. [PMID: 29936684 DOI: 10.1007/s11010-018-3391-z] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2018] [Accepted: 06/17/2018] [Indexed: 11/24/2022]
Abstract
Methionine is the precursor of homocysteine, a sulfur amino acid intermediate in the methylation and transsulfuration pathways; methionine-rich diets were used to induce hyperhomocysteinemia, and cardiovascular pathology was often observed. Other sulfur amino acids interfere with this metabolism, i.e., L-cysteine (Cys) and N-aceyl-L-cysteine (NAC), and probably also affect cardiovascular system. Their effects are controversial due to their ability to act both as anti- or pro-oxidant. Thus, this study aimed to elucidate their influence on levels of homocysteine, folate and vitamin B12, levels of different haemostatic parameters (fibrinogen, D-dimer, vWF Ag, vWF Ac) in rat serum or plasma as well as their effects on cardiac and aortic tissue histology in subchronically methionine-treated rats. Wistar albino rats were divided into 4 experimental groups: (a) control group (0.9% sodium chloride 0.1-0.2 mL/day) (n = 10) (K); (b) DL-methionine (0.8 mmol/kg/bw/day) (n = 10) (M); (c) DL-methionine (0.8 mmol/kg/bw/day) + L-cysteine (7 mg/kg/bw/day) (n = 8) (C); (d) DL-methionine (0.8 mmol/ kg/bw/day) + N-acetyl-L-cysteine (50 mg/kg/bw/day) (n = 8) (N). All substances were applied i.p., treatment duration 3 weeks. Lower levels of vitamin B12 in all the groups were found. Folate was reduced only in N group. Decreased fibrinogen was noted in C and N groups and increased D-dimer only in C. VWF activity was reduced in M and C groups. Deleterious effects in heart were observed, especially after Cys and NAC application. Aortic tissue remained unchanged. In conclusion, it could be said that sulfur amino acids have the significant impact on cardiovascular system in subchronically methionine-treated rats. This study points out the relevance of their complex interactions and deleterious effects mediated by either direct influence or procoagulant properties.
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Affiliation(s)
- Sanja Kostić
- Faculty of Medicine, Institute of Medical Physiology "Richard Burian", University of Belgrade, Visegradska 26/II, Belgrade, 11000, Serbia
| | - Žarko Mićovic
- Military Health Department, Ministry of Defence, Belgrade, Serbia
| | - Lazar Andrejević
- Clinic of Gynecology and Obstetrics, Faculty of Medical Science University of Pristina - Kosovska Mitrovica, Kosovska Mitrovica, Serbia
| | - Saša Cvetković
- Clinic of Gynecology and Obstetrics, Faculty of Medical Science University of Pristina - Kosovska Mitrovica, Kosovska Mitrovica, Serbia
| | - Aleksandra Stamenković
- St. Boniface Hospital Research Center, Institute of Cardiovascular Sciences, University of Manitoba, Winnipeg, Canada
| | - Sanja Stanković
- Centre of Medical Biochemistry, Clinical Centre of Serbia, Belgrade, Serbia
| | - Radmila Obrenović
- Centre of Medical Biochemistry, Clinical Centre of Serbia, Belgrade, Serbia
| | - Milica Labudović-Borović
- Faculty of Medicine, Institute of Histology and Embryology "Aleksandar Dj. Kostic", University of Belgrade, Belgrade, Serbia
| | - Dragan Hrnčić
- Faculty of Medicine, Institute of Medical Physiology "Richard Burian", University of Belgrade, Visegradska 26/II, Belgrade, 11000, Serbia
| | - Vladimir Jakovljević
- Department of Physiology, Faculty of Medical Sciences, University of Kragujevac, Kragujevac, Serbia.,Department of Human Pathology, 1st Moscow State Medical University IM Sechenov, Moscow, Russian Federation
| | - Dragan Djurić
- Faculty of Medicine, Institute of Medical Physiology "Richard Burian", University of Belgrade, Visegradska 26/II, Belgrade, 11000, Serbia.
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Secretoneurin suppresses cardiac hypertrophy through suppression of oxidant stress. Eur J Pharmacol 2018; 822:13-24. [PMID: 29337195 DOI: 10.1016/j.ejphar.2018.01.008] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2017] [Revised: 12/25/2017] [Accepted: 01/10/2018] [Indexed: 02/05/2023]
Abstract
The neuropeptide secretoneurin (SN) plays protective roles in myocardial ischemia. In the present study, the effect of SN in cardiac hypertrophy was investigated. We observed that, in isoproterenol (ISO) treatment induced cardiac or cardiomyocytes hypertrophy, a marked increase in the expression of endogenous SN in mouse plasma, myocardium and primary-cultured cardiomyocytes occurs. In hypertrophic mice, the heart size, heart weight/body weight (HW/BW) ratio, cardiomyocyte size, and atrial natriuretic peptide (ANP) and brain natriuretic peptide (BNP) expression were significantly higher than those in controls but were effectively suppressed by SN gene therapy. Similarly, the protective effects of SN were also observed in cultured cardiomyocytes following ISO treatment. SN significantly increased the activity of catalase and superoxide dismutase (SOD) in parallel with the decrease in reactive oxygen species levels in cardiomyocytes. We observed that SN evoked the activation of all of the AMPK, P38/MAPK and ERK/MAPK pathways in cardiomyocytes, but pretreatment with only AMPK inhibitor (compound C) and ERK1/2/MAPK inhibitor (PD98059) counteracted the protective effects of SN against cardiomyocyte hypertrophy and the suppressive effects of SN on oxidant stress in cardiomyocytes. These results indicated that endogenous SN is induced in hypertrophic cardiomyocytes, and may play a protective role in the pathogenesis of cardiac hypertrophy. These results suggest that exogenous SN supplementation protects the cardiac hypertrophy induced by ISO treatment through the activation of AMPK and ERK/MAPK pathways, thus upregulating antioxidants and suppressing oxidative stress.
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Khurana RK, Jain A, Jain A, Sharma T, Singh B, Kesharwani P. Administration of antioxidants in cancer: debate of the decade. Drug Discov Today 2018; 23:763-770. [PMID: 29317341 DOI: 10.1016/j.drudis.2018.01.021] [Citation(s) in RCA: 48] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2017] [Revised: 10/30/2017] [Accepted: 01/04/2018] [Indexed: 12/17/2022]
Abstract
Several randomized clinical trials have divulged that administration of antioxidants during chemotherapy decreases the effectiveness of treatment. Hence, the characteristic feature of this article is extensive assessment of putative benefits and potential risks of natural and synthetic antioxidant supplementation, administered with chemotherapy, based upon the available preclinical and clinical data. After analyzing mixed results, it was concluded that current FDA guidelines should be followed before supplementing antioxidants during cytotoxic treatment. Nevertheless, contradictory experimental animal models opposing human clinical trials discourage the concurrent administration of antioxidants ostensibly owing to the possibility of tumor protection and reduced survival.
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Affiliation(s)
- Rajneet Kaur Khurana
- University Institute of Pharmaceutical Sciences, UGC Centre of Advanced Studies, Panjab University, Chandigarh 160014, India
| | - Ashay Jain
- UGC-Centre of Excellence in Applications of Nanomaterials, Nanoparticles and Nanocomposites (Biomedical Sciences), Panjab University, Chandigarh 160014, India
| | - Atul Jain
- UGC-Centre of Excellence in Applications of Nanomaterials, Nanoparticles and Nanocomposites (Biomedical Sciences), Panjab University, Chandigarh 160014, India
| | - Teenu Sharma
- University Institute of Pharmaceutical Sciences, UGC Centre of Advanced Studies, Panjab University, Chandigarh 160014, India
| | - Bhupinder Singh
- University Institute of Pharmaceutical Sciences, UGC Centre of Advanced Studies, Panjab University, Chandigarh 160014, India; UGC-Centre of Excellence in Applications of Nanomaterials, Nanoparticles and Nanocomposites (Biomedical Sciences), Panjab University, Chandigarh 160014, India.
| | - Prashant Kesharwani
- Department of Pharmaceutical Technology, International Medical University, Bukit Jalil, Kuala Lumpur, Malaysia.
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Dludla PV, Nkambule BB, Dias SC, Johnson R. Cardioprotective potential of N-acetyl cysteine against hyperglycaemia-induced oxidative damage: a protocol for a systematic review. Syst Rev 2017; 6:96. [PMID: 28499416 PMCID: PMC5427588 DOI: 10.1186/s13643-017-0493-8] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/26/2017] [Accepted: 05/03/2017] [Indexed: 01/11/2023] Open
Abstract
BACKGROUND Hyperglycaemia-induced oxidative damage is a well-established factor implicated in the development of diabetic cardiomyopathy (DCM) in diabetic individuals. Some of the well-known characteristics of DCM include increased myocardial left ventricular wall thickness and remodelling that result in reduced cardiac efficiency. To prevent this, an increasing number of pharmacological compounds such as N-acetyl cysteine (NAC) are explored for their antioxidant properties. A few studies have shown that NAC can ameliorate hyperglycaemia-induced oxidative damage within the heart. Hence, the objective of this review is to synthesise the available evidence pertaining to the cardioprotective role of NAC against hyperglycaemia-induced oxidative damage and thus prevent DCM. METHODS This systematic review protocol will be reported in accordance with the Preferred Reporting Items for Systematic Review and Meta-Analysis Protocols (PRISMA-P) 2015 statement. We will perform a comprehensive search on major databases such as EMBASE, Cochrane Library, PubMed and Google scholar for original research articles published from January 1960 to March 2017. We will only report on literature that is available in English. Two authors will independently screen for eligible studies using pre-defined criteria, and data extraction will be done in duplicate. All discrepancies will be resolved by consensus or consultation of a third reviewer. The quality of studies will be checked using Cochrane Risk of Bias Assessment Tool and The Joanna Briggs Institute (JBI) Critical Appraisal tools for non-randomised experimental studies. Heterogeneity across studies will be assessed using the Cochrane Q statistic and the inconsistency index (I 2). We will use the random effects model to calculate a pooled estimate. DISCUSSION Although several studies have shown that NAC can ameliorate hyperglycaemia-induced oxidative damage within the heart, this systematic review will be the first pre-registered synthesis of data to identify the cardioprotective potential of NAC against hyperglycaemia-induced oxidative damage. This result will help guide future research evaluating the cardioprotective role of NAC against DCM and better identify possible mechanisms of action for NAC to prevent oxidative damage with a diabetic heart. SYSTEMIC REVIEW REGISTRATION PROSPERO CRD42017055851 .
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Affiliation(s)
- Phiwayinkosi V Dludla
- Biomedical Research and Innovation Platform (BRIP), Medical Research Council, Francie van Zijl Drive, P.O. Box 19070, Tygerberg, 7505, South Africa.
| | - Bongani B Nkambule
- School of Laboratory Medicine and Medical Sciences (SLMMS), College of Health Sciences, University of KwaZulu-Natal, Durban, South Africa
| | - Stephanie C Dias
- Biomedical Research and Innovation Platform (BRIP), Medical Research Council, Francie van Zijl Drive, P.O. Box 19070, Tygerberg, 7505, South Africa
| | - Rabia Johnson
- Biomedical Research and Innovation Platform (BRIP), Medical Research Council, Francie van Zijl Drive, P.O. Box 19070, Tygerberg, 7505, South Africa.,Division of Medical Physiology, Faculty of Health Sciences, Stellenbosch University, Tygerberg, South Africa
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Monoamine Oxidases, Oxidative Stress, and Altered Mitochondrial Dynamics in Cardiac Ageing. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2017; 2017:3017947. [PMID: 28546851 PMCID: PMC5435992 DOI: 10.1155/2017/3017947] [Citation(s) in RCA: 70] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/06/2017] [Revised: 02/22/2017] [Accepted: 03/22/2017] [Indexed: 01/06/2023]
Abstract
The advances in healthcare over the past several decades have resulted in populations now living longer. With this increase in longevity, a wider prevalence of cardiovascular diseases is more common and known to be a major factor in rising healthcare costs. A wealth of scientific evidence has implicated cell senescence as an important component in the etiology of these age-dependent pathologies. A number of studies indicate that an excess of reactive oxygen species (ROS) contributes to trigger and accelerate the cardiac senescence processes, and a new role of monoamine oxidases, MAO-A and MAO-B, is emerging in this context. These mitochondrial enzymes regulate the level of catecholamines and serotonin by catalyzing their oxidative deamination in the heart. MAOs' expression substantially increases with ageing (6-fold MAO-A in the heart and 4-fold MAO-B in neuronal tissue), and their involvement in cardiac diseases is supposedly related to the formation of ROS, via the hydrogen peroxide produced during the substrate degradation. Here, we will review the most recent advances in this field and describe why MAOs could be effective targets in order to prevent age-associated cardiovascular disease.
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Benterud T, Ystgaard MB, Manueldas S, Pankratov L, Alfaro-Cervello C, Florholmen G, Ahmed MS, Sandvik L, Norgren S, Bjørås M, Baumbusch LO, Solberg R, Saugstad OD. N-Acetylcysteine Amide Exerts Possible Neuroprotective Effects in Newborn Pigs after Perinatal Asphyxia. Neonatology 2017; 111:12-21. [PMID: 27497671 DOI: 10.1159/000447255] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/08/2016] [Accepted: 05/29/2016] [Indexed: 11/19/2022]
Abstract
BACKGROUND Perinatal asphyxia and ensuing reoxygenation change the antioxidant capacity of cells and organs. OBJECTIVES To analyze the neuroprotective effect of the antioxidant N-acetylcysteine amide (NACA) after perinatal hypoxia-reoxygenation with an emphasis on proinflammatory cytokines and the transcription factor NF-κB in the prefrontal cortex of neonatal pigs. METHODS Twenty-nine newborn pigs, aged 12-36 h, were subjected to global hypoxia and hypercapnia. One sham-operated group (n = 5) and 2 experimental groups (n = 12) were exposed to 8% oxygen, until the base excess was -20 mmol/l or the mean arterial blood pressure fell to <20 mm Hg (asphyxia with NACA or saline). The pigs were observed for 9.5 h after hypoxia. Samples of prefrontal cortex and plasma were analyzed. RESULTS Cortex: there was no significant difference in mRNA expression between the intervention groups regarding IL-1β, IL6, TNFα, MMP2, MMP9 or IL18. Pigs exposed to hypoxia-reoxygenation and treatment with NACA (NACA-pigs) had a significantly lower protein concentration of IL-1β than pigs treated with saline (placebo controls), i.e. 8.8 ± 3.9 versus 16.8 ± 10.5 pg/mg protein (p = 0.02). The activation of the transcription factor NF-κB (measured as the fold-change of phosphorylated p65Ser 536), was reduced in the NACA-pigs when compared to the placebo controls (5.2 ± 4.3 vs. 16.0 ± 13.5; p = 0.02). No difference between the intervention groups regarding brain histopathology or in the levels of 8-oxoguanine measured in the prefrontal cortex were observed. Plasma: the NACA-pigs had a stronger reduction of TNFα in the first 30 min following asphyxia compared with the placebo controls, i.e. 36 (30-44) versus 24 (14-32)% (p = 0.01). CONCLUSION The reduced levels of the pivotal inflammatory markers IL-1β and TNFα and the transcription factor NF-κB may indicate that NACA has possible neuroprotective effects after perinatal asphyxia.
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Affiliation(s)
- Torkil Benterud
- Department of Pediatric Research, University of Oslo, Oslo University Hospital, Rikshospitalet, Oslo, Norway
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The Cardioprotective Role of N-Acetyl Cysteine Amide in the Prevention of Doxorubicin and Trastuzumab–Mediated Cardiac Dysfunction. Can J Cardiol 2016; 32:1513-1519. [DOI: 10.1016/j.cjca.2016.06.002] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2016] [Revised: 06/03/2016] [Accepted: 06/03/2016] [Indexed: 11/19/2022] Open
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Abstract
Postoperative nasal mucosa healing is a highly complex and organized process, and the success rates of endoscopic sinus surgery and septoplasty surgeries are closely associated with the postoperative wound healing processes. In this experimental study, the authors' aim was to use histopathologic examination to investigate the effects of N-Acetylcysteine (NAC) on the wound healing of rat nasal mucosa after mechanical trauma. Twenty-one Sprague-Dawley rats were randomly divided into 3 groups: the nontreated group (N = 7), the control saline group (N = 7), and the NAC group (N = 7). No treatment was given to the nontreated group for 15 days. The control saline group received intraperitoneal injection of saline (2.5 mL/kg, intraperitoneal) for 15 days and the NAC group was intraperitoneally injected with NAC at a dose of 300 mg/kg/day for 15 days. At the beginning of the study, unilateral mechanical nasal trauma was induced with an interdental brush inserted through the right nostril in all rats. Samples were stained using hematoxylin and eosin solution, and were examined by a pathologist using a light microscope. The severity of inflammation was milder in the NAC group compared with that in the nontreated and saline groups (P < 0.05). The subepithelial thickness index was lower in the experimental group (P < 0.05). Goblet cell loss was reduced in the experimental group compared with the nontreated and saline groups (P < 0.05). NAC decreases inflammation and goblet cell loss. Therefore, NAC has potential beneficial effects on the wound healing of nasal mucosa in rats.
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Rosic G, Selakovic D, Joksimovic J, Srejovic I, Zivkovic V, Tatalović N, Orescanin-Dusic Z, Mitrovic S, Ilic M, Jakovljevic V. The effects of N-acetylcysteine on cisplatin-induced changes of cardiodynamic parameters within coronary autoregulation range in isolated rat hearts. Toxicol Lett 2016; 242:34-46. [PMID: 26656795 DOI: 10.1016/j.toxlet.2015.11.028] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2015] [Revised: 11/24/2015] [Accepted: 11/26/2015] [Indexed: 11/18/2022]
Abstract
The aim of this study was to evaluate the effects of chronic NAC administration along with cisplatin on cisplatin-induced cardiotoxicity by means of coronary flow (CF), cardiodynamic parameters, oxidative stress markers and morphological changes in isolated rat heart. Isolated hearts of Wistar albino rats (divided into four groups: control, cisplatin, NAC and cisplatin+NAC group) were perfused according to Langendorff technique at constant coronary perfusion pressure starting at 50 and gradually increased to 65, 80, 95 and 110 cm H2O to evaluate cardiodynamic parameters within autoregulation range. Samples of coronary venous effluent (CVE) were collected for determination of CF and biochemical assays, and heart tissue samples for biochemical assays and histopathological examination. Cisplatin treatment decreased CF and heart rate, and increased left ventricular systolic pressure and maximum left ventricular pressure development rate. Cisplatin increased H2O2 and TBARS, but decreased NO2(-) levels in CVE. In tissue samples, cisplatin reduced pathological alterations in myocardium and coronary vessels, with no changes in the amount of total glutathione, as well as in activity of glutathione peroxidase and glutathione reductase. NAC coadministration, by reducing oxidative damage, attenuated cisplatin-induced changes of cardiodynamic and oxidative stress parameters, as well as morphological changes in myocardium and coronary vasculature.
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Affiliation(s)
- Gvozden Rosic
- Department of Physiology, Faculty of Medical Sciences, University of Kragujevac, Serbia.
| | - Dragica Selakovic
- Department of Physiology, Faculty of Medical Sciences, University of Kragujevac, Serbia.
| | - Jovana Joksimovic
- Department of Physiology, Faculty of Medical Sciences, University of Kragujevac, Serbia.
| | - Ivan Srejovic
- Department of Physiology, Faculty of Medical Sciences, University of Kragujevac, Serbia.
| | - Vladimir Zivkovic
- Department of Physiology, Faculty of Medical Sciences, University of Kragujevac, Serbia.
| | - Nikola Tatalović
- Department of Physiology, Institute for Biological Research, University of Belgrade, Serbia.
| | - Zorana Orescanin-Dusic
- Department of Physiology, Institute for Biological Research, University of Belgrade, Serbia.
| | - Slobodanka Mitrovic
- Department of Pathology, Faculty of Medical Sciences, University of Kragujevac, Serbia.
| | - Milena Ilic
- Department of Pathology, Faculty of Medical Sciences, University of Kragujevac, Serbia.
| | - Vladimir Jakovljevic
- Department of Physiology, Faculty of Medical Sciences, University of Kragujevac, Serbia.
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Mut-Salud N, Álvarez PJ, Garrido JM, Carrasco E, Aránega A, Rodríguez-Serrano F. Antioxidant Intake and Antitumor Therapy: Toward Nutritional Recommendations for Optimal Results. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2015; 2016:6719534. [PMID: 26682013 PMCID: PMC4670692 DOI: 10.1155/2016/6719534] [Citation(s) in RCA: 81] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/22/2015] [Accepted: 08/12/2015] [Indexed: 02/07/2023]
Abstract
The role of the induction of oxidative stress as the mechanism of action of many antitumor drugs is acquiring an increasing interest. In such cases, the antitumor therapy success may be conditioned by the antioxidants present in our own body, which can be synthesized de novo (endogenous) or incorporated through the diet and nutritional supplements (exogenous). In this paper, we have reviewed different aspects of antioxidants, including their classification, natural sources, importance in diet, consumption of nutritional supplements, and the impact of antioxidants on health. Moreover, we have focused especially on the study of the interaction between antioxidants and antitumor therapy, considering both radiotherapy and chemotherapy. In this regard, we found that the convenience of administration of antioxidants during cancer treatment still remains a very controversial issue. In general terms, antioxidants could promote or suppress the effectiveness of antitumor treatment and even protect healthy tissues against damage induced by oxidative stress. The effects may depend on many factors discussed in the paper. These factors should be taken into consideration in order to achieve precise nutritional recommendations for patients. The evidence at the moment suggests that the supplementation or restriction of exogenous antioxidants during cancer treatment, as appropriate, could contribute to improving its efficiency.
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Affiliation(s)
- Nuria Mut-Salud
- Institute of Biopathology and Regenerative Medicine, University of Granada, 18071 Granada, Spain
| | - Pablo Juan Álvarez
- Institute of Biopathology and Regenerative Medicine, University of Granada, 18071 Granada, Spain
| | - Jose Manuel Garrido
- Department of Cardiovascular Surgery, Virgen de las Nieves Hospital, 18014 Granada, Spain
| | - Esther Carrasco
- Institute of Biopathology and Regenerative Medicine, University of Granada, 18071 Granada, Spain
| | - Antonia Aránega
- Institute of Biopathology and Regenerative Medicine, University of Granada, 18071 Granada, Spain
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