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Soomro QH, Koplan BA, Costea AI, Roy-Chaudhury P, Tumlin JA, Kher V, Williamson DE, Pokhariyal S, McClure CK, Charytan DM. Arrhythmia and Time of Day in Maintenance Hemodialysis: Secondary Analysis of the Monitoring in Dialysis Study. Kidney Med 2024; 6:100799. [PMID: 38572395 PMCID: PMC10987926 DOI: 10.1016/j.xkme.2024.100799] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/05/2024] Open
Abstract
Rationale & Objective The incidence of arrhythmia varies by time of day. How this affects individuals on maintenance dialysis is uncertain. Our objective was to quantify the relationship of arrhythmia with the time of day and timing of dialysis. Study Design Secondary analysis of the Monitoring in Dialysis study, a multicenter prospective cohort study. Settings & Participants Loop recorders were implanted for continuous cardiac monitoring in 66 participants on maintenance dialysis with a follow up of 6 months. Exposure Time of day based on 6-hour intervals. Outcomes Event rates of clinically significant arrhythmia. Analytical Approach Negative binomial mixed effects regression models for repeated measures were used to evaluate data from the Monitoring in Dialysis study for differences in diurnal patterns of clinically significant arrhythmia among those with end-stage kidney disease with heart failure and end-stage kidney disease alone. We additionally analyzed rates according to presence of heart failure, time of dialysis shift, and dialysis versus nondialysis day. Results Rates of clinically significant arrhythmia peaked between 12:00 AM and 5:59 AM and were more than 1.5-fold as frequent during this interval than the rest of the day. In contrast, variations in atrial fibrillation peaked between 6:00 AM and 11:59 AM, but variations across the day were qualitatively small. Clinically significant arrhythmia occurred at numerically higher rate in individuals with end-stage kidney disease and heart failure (5.9 events/mo; 95% CI, 1.3-26.8) than those without heart failure (4.0 events/mo; 95% CI, 0.9-17.9). Although differences in overall rate were not significant, their periodicity was significantly different (P < 0.001), with a peak between 12:00 AM and 6:00 AM with kidney failure alone and between 6:00 AM and 11:59 AM in those with heart failure. Although the overall clinically significant arrhythmia rate was similar in morning compared with evening dialysis shifts (P = 0.43), their periodicity differed with a peak between 12:00 AM and 5:59 AM in those with AM dialysis and a later peak between 6:00 AM and 11:59 AM in those with PM shifts. Limitations Post hoc analysis, unable to account for unmeasured confounders. Conclusion Clinically significant arrhythmias showed strong diurnal patterns with a maximal peak between 12:00 AM and 5:59 AM and noon. Although overall arrhythmia rates were similar, the peak rate occurred overnight in individuals without heart failure and during the morning in individuals with heart failure. Further exploration of the influence of circadian rhythm on arrhythmia in the setting of hemodialysis is needed.
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Affiliation(s)
- Qandeel H. Soomro
- Nephrology Division, Department of Medicine, NYU Langone Medical Center, New York, New York
| | | | | | - Prabir Roy-Chaudhury
- University of North Carolina Kidney Center, Chapel Hill, North Carolina
- WG (Bill) Hefner VA Medical Center, Salisbury, North Carolina
| | - James A. Tumlin
- Georgia Nephrology Clinical Research Institute, Atlanta, Georgia
| | - Vijay Kher
- Fortis Escorts Kidney & Urology Institute, Fortis Escorts Hospital, New Delhi, India
| | | | | | | | - David M. Charytan
- Nephrology Division, Department of Medicine, NYU Langone Medical Center, New York, New York
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Zendehdel A, Shakarami A, Moghadam ES. Physiological Evidence and Therapeutic Outcomes of Vitamin D on Cardiovascular Diseases. Curr Cardiol Rev 2024; 20:CCR-EPUB-137511. [PMID: 38243935 PMCID: PMC11071673 DOI: 10.2174/011573403x263417231107110618] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/14/2023] [Revised: 09/04/2023] [Accepted: 09/28/2023] [Indexed: 01/22/2024] Open
Abstract
Vitamin D hormone is an important regulator of various physiological functions, and its deficiency is characterized by an imbalance in parathyroid hormone and calcium homeostasis. The role of vitamin D in cardiovascular physiology is well demonstrated in animal and humanbased studies. In this context, hyperlipidemia, increased atherogenic plaques, cardiac inflammation, hypertension, myocarditis, myocardial infarction, and heart failure are some of the commonest known conditions connected with vitamin D deficiency. Supplementation of vitamin D is recommended to achieve normal serum vitamin D concentrations, nonetheless, in clinical trials often seen discrepancies concerning the supplementation effects and effectiveness. This review summarizes the data on the role of vitamin D in cardiovascular health along with some recent clinical findings regarding the effects of vitamin D supplementation.
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Affiliation(s)
- Abolfazl Zendehdel
- Department of Geriatric Medicine, Ziaeian Hospital, Tehran University of Medical Sciences, Tehran, Iran
| | - Amir Shakarami
- Department of Cardiology, Faculty of Medicine, Lorestan University of Medical Sciences, Khorramabad, Iran
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Hou P, Xue H, Chang S, Xie P, Chen Y, Wang Y, Miura D, Fan J, Liang J, Kitayama A, Fang F, Yuan H, Wu X, Zhang X, Wang J, Ding N, Zhang C, Sun X, Takashi E. Thermal preconditioning can reduce the incidence of intraoperatively acquired pressure injuries. J Therm Biol 2023; 115:103617. [PMID: 37352595 DOI: 10.1016/j.jtherbio.2023.103617] [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: 01/02/2023] [Revised: 05/17/2023] [Accepted: 06/07/2023] [Indexed: 06/25/2023]
Abstract
Intraoperatively acquired pressure injuries (IAPIs) occur frequently among patients who undergo surgical procedures that last longer than 3 h. Several studies indicated that heat shock proteins (HSPs) play an important role in the protection of stress-induced damages in skin tissues. Hence, the aim of this study was to investigate the potential preventive effect of thermal preconditioning (TPC) on IAPIs in surgical patients and rats and to identify the differentially expressed HSP genes in response to the above treatment. TPC was performed on one group of hairless rats before the model of pressure injuries was established. Subsequently, the size of skin lesions was measured and the expression levels of mRNA and protein of HSPs of the pressured skin were detected by real-time polymerase chain reaction (RT-PCR), western blot, and immunohistochemical staining. For human studies, 118 surgical patients were randomly divided into the TPC group (n = 59) and the control group (n = 59), respectively. The temperature and pressure of sacral skin, as well as the incidence of pressure injury (PI) were detected and compared. In animal studies, TPC significantly reduced both the size and incidence of PI in rats on the second, third and fourth days post treatment. In addition, the expression levels of both mRNA and protein of HSP27 were increased in the TPC group, compared with the control group. Immunohistochemical staining showed that HSP27 was distributed in various types of dermal cells and increased in basal cells. In human studies, a significant reduction (75%) of IAPIs was observed among the patients in the TPC group. TPC can reduce the incidence of PI in rats and humans, and the upregulation of HSP27 may play an important role in this biological progress. Further studies are warranted to explore the molecular mechanism of the preventive effect in PI mediated by HSP27.
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Affiliation(s)
- Ping Hou
- Nagano College of Nursing, 399-4117, Nagano, Japan; School of Nursing and School of Public Health, Yangzhou University, 225000, Yangzhou, China
| | - Huiping Xue
- Nagano College of Nursing, 399-4117, Nagano, Japan; Emergency Intensive Care Unit, Affiliated Hospital of Nantong University, 226000, Nantong, China
| | - Shuwen Chang
- Nagano College of Nursing, 399-4117, Nagano, Japan; Nursing Department, Northern Jiangsu People's Hospital, 225000, Yangzhou, China
| | - Ping Xie
- Nursing Department, Northern Jiangsu People's Hospital, 225000, Yangzhou, China.
| | - Yajie Chen
- Department of Molecular Pathology, Faculty of Medicine, Graduate School of Medical Sciences, University of Yamanashi, 409-3898, Yamanashi, Japan
| | - Yanwei Wang
- Nagano College of Nursing, 399-4117, Nagano, Japan
| | - Daiji Miura
- Nagano College of Nursing, 399-4117, Nagano, Japan
| | - Jianglin Fan
- Department of Molecular Pathology, Faculty of Medicine, Graduate School of Medical Sciences, University of Yamanashi, 409-3898, Yamanashi, Japan
| | - Jingyan Liang
- Health Science Center, Yangzhou University, 225000, Yangzhou, China.
| | | | - Fang Fang
- Nursing Department, Northern Jiangsu People's Hospital, 225000, Yangzhou, China
| | - Haijuan Yuan
- Nursing Department, Northern Jiangsu People's Hospital, 225000, Yangzhou, China
| | - Xiaoling Wu
- Nursing Department, Northern Jiangsu People's Hospital, 225000, Yangzhou, China
| | - Xiaolin Zhang
- Nursing Department, Northern Jiangsu People's Hospital, 225000, Yangzhou, China
| | - Jing Wang
- Nursing Department, Northern Jiangsu People's Hospital, 225000, Yangzhou, China
| | - Ning Ding
- Nursing Department, Northern Jiangsu People's Hospital, 225000, Yangzhou, China
| | - Can Zhang
- Nursing Department, Northern Jiangsu People's Hospital, 225000, Yangzhou, China
| | - Xiuyun Sun
- Nursing Department, Northern Jiangsu People's Hospital, 225000, Yangzhou, China
| | - En Takashi
- Nagano College of Nursing, 399-4117, Nagano, Japan.
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Antioxidants in Arrhythmia Treatment—Still a Controversy? A Review of Selected Clinical and Laboratory Research. Antioxidants (Basel) 2022; 11:antiox11061109. [PMID: 35740006 PMCID: PMC9220256 DOI: 10.3390/antiox11061109] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2022] [Revised: 05/26/2022] [Accepted: 06/01/2022] [Indexed: 02/04/2023] Open
Abstract
Antioxidants are substances that can prevent damage to cells caused by free radicals. Production of reactive oxygen species and the presence of oxidative stress play an important role in cardiac arrhythmias. Currently used antiarrhythmic drugs have many side effects. The research on animals and humans using antioxidants (such as vitamins C and E, resveratrol and synthetic substances) yields many interesting but inconclusive results. Natural antioxidants, such as vitamins C and E, can reduce the recurrence of atrial fibrillation (AF) after successful electrical cardioversion and protect against AF after cardiac surgery, but do not affect the incidence of atrial arrhythmias in critically ill patients with trauma. Vitamins C and E may also effectively treat ventricular tachycardia, ventricular fibrillation and long QT-related arrhythmias. Another natural antioxidant—resveratrol—may effectively treat AF and ventricular arrhythmias caused by ischaemia–reperfusion injury. It reduces the mortality associated with life-threatening ventricular arrhythmias and can be used to prevent myocardial remodelling. Statins also show antioxidant activity. Their action is related to the reduction of oxidative stress and anti-inflammatory effect. Therefore, statins can reduce the post-operative risk of AF and may be useful in lowering its recurrence rate after successful cardioversion. Promising results also apply to polyphenols, nitric oxide synthase inhibitors and MitoTEMPO. Although few clinical trials have been conducted, the use of antioxidants in treating arrhythmias is an interesting prospect.
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Anti-inflammatory, antioxidant, antihypertensive, and antiarrhythmic effect of indole-3-carbinol, a phytochemical derived from cruciferous vegetables. Heliyon 2022; 8:e08989. [PMID: 35243102 PMCID: PMC8866897 DOI: 10.1016/j.heliyon.2022.e08989] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2021] [Revised: 10/29/2021] [Accepted: 02/15/2022] [Indexed: 11/20/2022] Open
Abstract
Background Cardiovascular inflammation and oxidative stress are determining factors in high blood pressure and arrhythmias. Indole-3-carbinol is a cruciferous-derived phytochemical with potential anti-inflammatory and antioxidant effects. However, its implications on the modulation of cardiovascular inflammatory-oxidative markers are unknown. Objectives To establish the effects of indole-3-carbinol on the oxidative-inflammatory-proarrhythmic conditions associated with hypertension. Materials Histological, biochemical, molecular, and functional aspects were evaluated in 1) Culture of mouse BV-2 glial cells subjected to oxidative-inflammatory damage by lipopolysaccharides (100 ng/mL) in the presence or absence of 40 μM indole-3-carbinol (n = 5); 2) Male spontaneously hypertensive rats (SHR) and Wistar Kyoto rats receiving indole-3-carbinol (2000 ppm/day, orally) during the first 8 weeks of life (n = 15); 3) Isolated rat hearts were submitted to 10 min regional ischemia and 10 min reperfusion. Results 1) lipopolysaccharides induced oxidative stress and increased inflammatory markers; indole-3-carbinol reversed both conditions (interleukin 6, tumor necrosis factor α, the activity of nicotinamide adenine dinucleotide phosphate oxidase, nitric oxide, inducible nitric oxide synthase, heat shock protein 70, all p < 0.01 vs lipopolysaccharides). 2) SHR rats showed histological, structural, and functional changes with increasing systolic blood pressure (154 ± 8 mmHg vs. 122 ± 7 mmHg in Wistar Kyoto rats, p < 0.01); Inflammatory-oxidative markers also increased, and nitric oxide and heat shock protein 70 decreased. Conversely, indole-3-carbinol reduced oxidative-inflammatory markers and systolic blood pressure (133 ± 8 mmHg, p < 0.01 vs. SHR). 3) indole-3-carbinol reduced reperfusion arrhythmias from 8/10 in SHR to 0/10 (p = 0.0007 by Fisher's exact test). Conclusions Indole-3-carbinol reduces the inflammatory-oxidative-proarrhythmic process of hypertension. The nitric oxide and heat shock protein 70 are relevant mechanisms of indole-3-carbinol protective actions. Further studies with this pleiotropic phytochemical as a promising cardioprotective are guaranteed. Indole-3-carbinol, a cruciferous-derived compound, has cardioprotective potential. We confirmed its anti-inflammatory and antioxidant effects in vitro and in vivo. Oral administration reduced blood pressure and cardiac remodeling. In isolated hearts from hypertensive rats prevented ischemia-reperfusion arrhythmias. Heat shock protein 70 and NO contribute to indole-3-carbinol protective actions.
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Martín Giménez VM, Chuffa LGA, Simão VA, Reiter RJ, Manucha W. Protective actions of vitamin D, anandamide and melatonin during vascular inflammation: Epigenetic mechanisms involved. Life Sci 2022; 288:120191. [PMID: 34856208 DOI: 10.1016/j.lfs.2021.120191] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2021] [Revised: 11/13/2021] [Accepted: 11/26/2021] [Indexed: 12/11/2022]
Abstract
Vascular inflammation is one of the main activating stimuli of cardiovascular disease and its uncontrolled development may worsen the progression and prognosis of these pathologies. Therefore, the search for new therapeutic options to treat this condition is undoubtedly needed. In this regard, it may be better to repurpose endogenous anti-inflammatory compounds already known, in addition to synthesizing new compounds for therapeutic purposes. It is well known that vitamin D, anandamide, and melatonin are promising endogenous substances with powerful and wide-spread anti-inflammatory properties. Currently, the epigenetic mechanisms underlying these effects are often unknown. This review summarizes the potential epigenetic mechanisms by which vitamin D, anandamide, and melatonin attenuate vascular inflammation. This information could contribute to the improvement in the therapeutic management of multiple pathologies associated with blood vessel inflammation, through the pharmacological manipulation of new target sites that until now have not been addressed.
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Affiliation(s)
- Virna Margarita Martín Giménez
- Instituto de Investigaciones en Ciencias Químicas, Facultad de Ciencias Químicas y Tecnológicas, Universidad Católica de Cuyo, Sede San Juan, Argentina
| | - Luiz Gustavo A Chuffa
- Department of Structural and Functional Biology, UNESP-São Paulo State University, Institute of Biosciences, Botucatu 18618-689, São Paulo, Brazil
| | - Vinícius Augusto Simão
- Department of Structural and Functional Biology, UNESP-São Paulo State University, Institute of Biosciences, Botucatu 18618-689, São Paulo, Brazil
| | - Russel J Reiter
- Department of Cell Systems and Anatomy, UT Health, San Antonio, TX, USA
| | - Walter Manucha
- Laboratorio de Farmacología Experimental Básica y Traslacional. Área de Farmacología, Departamento de Patología, Facultad de Ciencias Médicas, Universidad Nacional de Cuyo, Mendoza, Argentina; Instituto de Medicina y Biología Experimental de Cuyo, Consejo Nacional de Investigación Científica y Tecnológica (IMBECU-CONICET), Argentina.
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Melatonin and Pathological Cell Interactions: Mitochondrial Glucose Processing in Cancer Cells. Int J Mol Sci 2021; 22:ijms222212494. [PMID: 34830375 PMCID: PMC8621753 DOI: 10.3390/ijms222212494] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2021] [Revised: 10/06/2021] [Accepted: 11/17/2021] [Indexed: 12/18/2022] Open
Abstract
Melatonin is synthesized in the pineal gland at night. Since melatonin is produced in the mitochondria of all other cells in a non-circadian manner, the amount synthesized by the pineal gland is less than 5% of the total. Melatonin produced in mitochondria influences glucose metabolism in all cells. Many pathological cells adopt aerobic glycolysis (Warburg effect) in which pyruvate is excluded from the mitochondria and remains in the cytosol where it is metabolized to lactate. The entrance of pyruvate into the mitochondria of healthy cells allows it to be irreversibly decarboxylated by pyruvate dehydrogenase (PDH) to acetyl coenzyme A (acetyl-CoA). The exclusion of pyruvate from the mitochondria in pathological cells prevents the generation of acetyl-CoA from pyruvate. This is relevant to mitochondrial melatonin production, as acetyl-CoA is a required co-substrate/co-factor for melatonin synthesis. When PDH is inhibited during aerobic glycolysis or during intracellular hypoxia, the deficiency of acetyl-CoA likely prevents mitochondrial melatonin synthesis. When cells experiencing aerobic glycolysis or hypoxia with a diminished level of acetyl-CoA are supplemented with melatonin or receive it from another endogenous source (pineal-derived), pathological cells convert to a more normal phenotype and support the transport of pyruvate into the mitochondria, thereby re-establishing a healthier mitochondrial metabolic physiology.
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Role of Melatonin in Angiotensin and Aging. Molecules 2021; 26:molecules26154666. [PMID: 34361818 PMCID: PMC8347812 DOI: 10.3390/molecules26154666] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2021] [Revised: 07/27/2021] [Accepted: 07/29/2021] [Indexed: 12/19/2022] Open
Abstract
The cellular utilization of oxygen leads to the generation of free radicals in organisms. The accumulation of these free radicals contributes significantly to aging and several age-related diseases. Angiotensin II can contribute to DNA damage through oxidative stress by activating the NAD(P)H oxidase pathway, which in turn results in the production of reactive oxygen species. This radical oxygen-containing molecule has been linked to aging and several age-related disorders, including renal damage. Considering the role of angiotensin in aging, melatonin might relieve angiotensin-II-induced stress by enhancing the mitochondrial calcium uptake 1 pathway, which is crucial in preventing the mitochondrial calcium overload that may trigger increased production of reactive oxygen species and oxidative stress. This review highlights the role and importance of melatonin together with angiotensin in aging and age-related diseases.
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Jiang S, Huang L, Zhang W, Zhang H. Vitamin D/VDR in Acute Kidney Injury: A Potential Therapeutic Target. Curr Med Chem 2021; 28:3865-3876. [PMID: 33213307 DOI: 10.2174/0929867327666201118155625] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2020] [Revised: 09/29/2020] [Accepted: 10/07/2020] [Indexed: 11/22/2022]
Abstract
Despite many strategies and parameters used in clinical practice, the incidence and mortality of acute kidney injury (AKI) are still high with poor prognosis. With the development of molecular biology, the role of vitamin D and vitamin D receptor (VDR) in AKI is drawing increasing attention. Accumulated researches have suggested that Vitamin D deficiency is a risk factor of both clinical and experimental AKI, and vitamin D/VDR could be a promising therapeutic target against AKI. However, more qualitative clinical researches are needed to provide stronger evidence for the clinical application of vitamin D and VDR agonists in the future. Issues like the route and dosage of administration also await more attention. The present review aims to summarize the current works on the role of vitamin D/VDR in AKI and provides some new insight on its therapeutic potential.
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Affiliation(s)
- Siqing Jiang
- Department of Nephrology, Third Xiangya Hospital, Central South University, 138 Tongzipo Rd, Changsha, Hunan 410013, China
| | - Lihua Huang
- Center for Medical Experiments, Third Xiangya Hospital, Central South University, Changsha, Hunan 410013, China
| | - Wei Zhang
- Department of Nephrology, Third Xiangya Hospital, Central South University, 138 Tongzipo Rd, Changsha, Hunan 410013, China
| | - Hao Zhang
- Department of Nephrology, Third Xiangya Hospital, Central South University, 138 Tongzipo Rd, Changsha, Hunan 410013, China
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Segovia-Roldan M, Diez ER, Pueyo E. Melatonin to Rescue the Aged Heart: Antiarrhythmic and Antioxidant Benefits. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2021; 2021:8876792. [PMID: 33791076 PMCID: PMC7984894 DOI: 10.1155/2021/8876792] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/21/2020] [Revised: 01/16/2021] [Accepted: 01/23/2021] [Indexed: 12/19/2022]
Abstract
Aging comes with gradual loss of functions that increase the vulnerability to disease, senescence, and death. The mechanisms underlying these processes are linked to a prolonged imbalance between damage and repair. Damaging mechanisms include oxidative stress, mitochondrial dysfunction, chronodisruption, inflammation, and telomere attrition, as well as genetic and epigenetic alterations. Several endogenous tissue repairing mechanisms also decrease. These alterations associated with aging affect the entire organism. The most devastating manifestations involve the cardiovascular system and may lead to lethal cardiac arrhythmias. Together with structural remodeling, electrophysiological and intercellular communication alterations during aging predispose to arrhythmic events. Despite the knowledge on repairing mechanisms in the cardiovascular system, effective antiaging strategies able to reduce the risk of arrhythmias are still missing. Melatonin is a promising therapeutic candidate due to its pleiotropic actions. This indoleamine regulates chronobiology and endocrine physiology. Of relevance, melatonin is an antiaging, antioxidant, antiapoptotic, antiarrhythmic, immunomodulatory, and antiproliferative molecule. This review focuses on the protective effects of melatonin on age-induced cardiac functional and structural alterations, potentially becoming a new fountain of youth for the heart.
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Affiliation(s)
- Margarita Segovia-Roldan
- Biomedical Signal Interpretation and Computational Simulation (BSICoS), I3A, Universidad de Zaragoza, IIS Aragón and CIBER-BBN, Spain
| | | | - Esther Pueyo
- Biomedical Signal Interpretation and Computational Simulation (BSICoS), I3A, Universidad de Zaragoza, IIS Aragón and CIBER-BBN, Spain
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Song J, Gong YH, Yan X, Liu Y, Zhang M, Luo J, Jiang CM, Zhang M, Shi GP, Zhu W. Regulatory T Cells Accelerate the Repair Process of Renal Fibrosis by Regulating Mononuclear Macrophages. Am J Med Sci 2021; 361:776-785. [PMID: 33667434 DOI: 10.1016/j.amjms.2021.01.022] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2020] [Revised: 11/18/2020] [Accepted: 01/29/2021] [Indexed: 10/22/2022]
Abstract
BACKGROUND We aimed to investigate the mechanisms of renal fibrosis and explore the effect of CD4+CD25+Foxp3+ regulatory T cells (Treg) on renal fibrosis after the obstruction was removed. METHODS Fifty-five C57BL/6 mice were randomly divided into three groups: the unilateral ureteral obstruction (UUO) group, the relief for unilateral ureteral obstruction (RUUO) group, and the RUUO+Treg group. Renal fibrosis indexes of RUUO mice were evaluated using hematoxylin and eosin (HE) and, Masson staining and immunohistochemistry after CD4+CD25+Treg cells were injected into the tail vein at the moment of recanalization. We detected the levels of Treg, M1, and M2 markers by flow cytometry, and the levels of transforming growth factor (TGF)-β1, interleukin (IL)-1β, IL-6 and IL-10 using ELISA. RESULTS The tubular necrosis score, AO value of α-SMA (smooth muscle actin), and collagen area on the 3rd and 14th days post RUUO were up-regulated compared with the 7th day post RUUO (P<0.05). After injection of Treg via tail vein, the tubular necrosis score, AO value of α-SMA, TGF-β1 level, and collagen area in the RUUO+Treg group on the 14th day were down-regulated compared with the RUUO group (P<0.05). Moreover, Treg could transform M1 macrophages into M2 macrophages, manifesting as up-regulated expression of CD206 compared with the RUUO group (P<0.05). Treg could also down-regulate the secretion of IL-6 and IL-1β while up-regulating the secretion of IL-10 in vitro compared with the M1 group (P<0.05). CONCLUSIONS The kidney could deteriorate into a state of injury and fibrosis after the obstruction was removed, and Treg could effectively protect the kidney function.
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Affiliation(s)
- Jie Song
- Department of Nephrology, Nanjing Drum Tower Hospital Clinical College of Nanjing Medical University, Nanjing, China; The Affiliated Jiangning Hospital of Nanjing Medical University, Nanjing, China
| | - Yu-Hang Gong
- Department of Pharmacology, China Pharmaceutical University, Nanjing, China
| | - Xiang Yan
- Department of Urology, Nanjing Drum Tower Hospital, the Affiliated Hospital of Nanjing University Medical School, Nanjing, China; Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, USA
| | - Ying Liu
- Department of Nephrology, Nanjing Drum Tower Hospital Clinical College of Nanjing Medical University, Nanjing, China
| | - Mingzhuo Zhang
- Department of Nephrology, Nanjing Drum Tower Hospital Clinical College of Nanjing Medical University, Nanjing, China
| | - Jia Luo
- Department of Nephrology, Nanjing Drum Tower Hospital, the Affiliated Hospital of Nanjing University Medical School, Nanjing, China
| | - Chun-Ming Jiang
- Department of Nephrology, Nanjing Drum Tower Hospital, the Affiliated Hospital of Nanjing University Medical School, Nanjing, China
| | - Miao Zhang
- Department of Nephrology, Nanjing Drum Tower Hospital Clinical College of Nanjing Medical University, Nanjing, China; Department of Nephrology, Nanjing Drum Tower Hospital, the Affiliated Hospital of Nanjing University Medical School, Nanjing, China
| | - Guo-Ping Shi
- Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, USA
| | - Wei Zhu
- Department of Nephrology, Nanjing Drum Tower Hospital Clinical College of Nanjing Medical University, Nanjing, China; Department of Nephrology, Nanjing Drum Tower Hospital, the Affiliated Hospital of Nanjing University Medical School, Nanjing, China.
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Vadhan JD, Speth RC. The role of the brain renin-angiotensin system (RAS) in mild traumatic brain injury (TBI). Pharmacol Ther 2020; 218:107684. [PMID: 32956721 DOI: 10.1016/j.pharmthera.2020.107684] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/04/2020] [Indexed: 02/07/2023]
Abstract
There is considerable interest in traumatic brain injury (TBI) induced by repeated concussions suffered by athletes in sports, military personnel from combat-and non-combat related activities, and civilian populations who suffer head injuries from accidents and domestic violence. Although the renin-angiotensin system (RAS) is primarily a systemic cardiovascular regulatory system that, when dysregulated, causes hypertension and cardiovascular pathology, the brain contains a local RAS that plays a critical role in the pathophysiology of several neurodegenerative diseases. This local RAS includes receptors for angiotensin (Ang) II within the brain parenchyma, as well as on circumventricular organs outside the blood-brain-barrier. The brain RAS acts primarily via the type 1 Ang II receptor (AT1R), exacerbating insults and pathology. With TBI, the brain RAS may contribute to permanent brain damage, especially when a second TBI occurs before the brain recovers from an initial injury. Agents are needed that minimize the extent of injury from an acute TBI, reducing TBI-mediated permanent brain damage. This review discusses how activation of the brain RAS following TBI contributes to this damage, and how drugs that counteract activation of the AT1R including AT1R blockers (ARBs), renin inhibitors, angiotensin-converting enzyme (ACE) inhibitors, and agonists at type 2 Ang II receptors (AT2) and at Ang (1-7) receptors (Mas) can potentially ameliorate TBI-induced brain damage.
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Affiliation(s)
- Jason D Vadhan
- College of Osteopathic Medicine, Nova Southeastern University, Fort Lauderdale, FL, United States of America
| | - Robert C Speth
- Department of Pharmaceutical Sciences, College of Pharmacy, Nova Southeastern University, Fort Lauderdale, FL, United States of America; School of Medicine, Georgetown University, Washington, DC, United States of America.
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Behl T, Kaur I, Bungau S, Kumar A, Uddin MS, Kumar C, Pal G, Sahil, Shrivastava K, Zengin G, Arora S. The dual impact of ACE2 in COVID-19 and ironical actions in geriatrics and pediatrics with possible therapeutic solutions. Life Sci 2020; 257:118075. [PMID: 32653522 PMCID: PMC7347488 DOI: 10.1016/j.lfs.2020.118075] [Citation(s) in RCA: 77] [Impact Index Per Article: 19.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2020] [Revised: 07/05/2020] [Accepted: 07/06/2020] [Indexed: 01/08/2023]
Abstract
The novel corona virus disease has shaken the entire world with its deadly effects and rapid transmission rates, posing a significant challenge to the healthcare authorities to develop suitable therapeutic solution to save lives on earth. The review aims to grab the attention of the researchers all over the globe, towards the role of ACE2 in COVID-19 disease. ACE2 serves as a molecular target for the SARS-CoV-2, to enter the target cell, by interacting with the viral glycoprotein spikes. However, the complexity began when numerous studies identified the protective response of ACE2 in abbreviating the harmful effects of vasoconstrictor, anti-inflammatory peptide, angiotensin 2, by mediating its conversion to angiotensin-(1-7), which exercised antagonistic actions to angiotensin 2. Furthermore, certain investigations revealed greater resistance among children as compared to the geriatrics, towards COVID-19 infection, despite the elevated expression of ACE2 in pediatric population. Based upon such evidences, the review demonstrated possible therapeutic interventions, targeting both the protective and deleterious effects of ACE2 in COVID-19 disease, primarily inhibiting ACE2-virus interactions or administering soluble ACE2. Thus, the authors aim to provide an opportunity for the researchers to consider RAAS system to be a significant element in development of suitable treatment regime for COVID-19 pandemic.
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Affiliation(s)
- Tapan Behl
- Chitkara College of Pharmacy, Chitkara University, 140401, Punjab, India.
| | - Ishnoor Kaur
- Chitkara College of Pharmacy, Chitkara University, 140401, Punjab, India
| | - Simona Bungau
- Department of Pharmacy, Faculty of Medicine and Pharmacy, University of Oradea, Romania.
| | - Arun Kumar
- Chitkara College of Pharmacy, Chitkara University, 140401, Punjab, India
| | - Md Sahab Uddin
- Department of Pharmacy, Southeast University, 1213 Dhaka, Bangladesh; Pharmakon Neuroscience Research Network, Dhaka, Bangladesh
| | - Chanchal Kumar
- Department of Medical Microbiology, Vallabhbhai Patel Chest Institute, University of Delhi, Delhi, India
| | - Giridhari Pal
- Vallabhbhai Patel Chest Institute, University of Delhi, New Delhi, 110007 Delhi, India
| | - Sahil
- Department of Computer Science, Panjab University, Chandigarh, India
| | - Kamal Shrivastava
- Department of Medical Microbiology, Vallabhbhai Patel Chest Institute, University of Delhi, Delhi, India
| | | | - Sandeep Arora
- Chitkara College of Pharmacy, Chitkara University, 140401, Punjab, India
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14
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Li X, Zhang W, Cao Q, Wang Z, Zhao M, Xu L, Zhuang Q. Mitochondrial dysfunction in fibrotic diseases. Cell Death Discov 2020; 6:80. [PMID: 32963808 PMCID: PMC7474731 DOI: 10.1038/s41420-020-00316-9] [Citation(s) in RCA: 85] [Impact Index Per Article: 21.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2020] [Revised: 08/13/2020] [Accepted: 08/27/2020] [Indexed: 12/11/2022] Open
Abstract
Although fibrosis is a common pathological feature of most end-stage organ diseases, its pathogenesis remains unclear. There is growing evidence that mitochondrial dysfunction contributes to the development and progression of fibrosis. The heart, liver, kidney and lung are highly oxygen-consuming organs that are sensitive to mitochondrial dysfunction. Moreover, the fibrotic process of skin and islet is closely related to mitochondrial dysfunction as well. This review summarized emerging mechanisms related to mitochondrial dysfunction in different fibrotic organs and tissues above. First, it highlighted the important elucidation of mitochondria morphological changes, mitochondrial membrane potential and structural damage, mitochondrial DNA (mtDNA) damage and reactive oxidative species (ROS) production, etc. Second, it introduced the abnormality of mitophagy and mitochondrial transfer also contributed to the fibrotic process. Therefore, with gaining the increasing knowledge of mitochondrial structure, function, and origin, we could kindle a new era for the diagnostic and therapeutic strategies of many fibrotic diseases based on mitochondrial dysfunction.
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Affiliation(s)
- Xinyu Li
- Transplantation Center of the 3rd Xiangya Hospital, Central South University, 410013 Changsha, Hunan China
- Xiangya School of Medicine, Central South University, 410013 Changsha, Hunan China
| | - Wei Zhang
- Transplantation Center of the 3rd Xiangya Hospital, Central South University, 410013 Changsha, Hunan China
- Xiangya School of Medicine, Central South University, 410013 Changsha, Hunan China
| | - Qingtai Cao
- Hunan Normal University School of Medicine, 410013 Changsha, Hunan China
| | - Zeyu Wang
- Xiangya School of Medicine, Central South University, 410013 Changsha, Hunan China
| | - Mingyi Zhao
- Pediatric Department of the 3rd Xiangya Hospital, Central South University, 410013 Changsha, Hunan China
| | - Linyong Xu
- School of Life Science, Central South University, 410013 Changsha, Hunan China
| | - Quan Zhuang
- Transplantation Center of the 3rd Xiangya Hospital, Central South University, 410013 Changsha, Hunan China
- Research Center of National Health Ministry on Transplantation Medicine, 410013 Changsha, Hunan China
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15
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Preventive Administration of Melatonin Attenuates Electrophysiological Consequences of Myocardial Ischemia. Bull Exp Biol Med 2020; 169:328-331. [PMID: 32743782 DOI: 10.1007/s10517-020-04881-y] [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: 10/24/2019] [Indexed: 10/23/2022]
Abstract
The effect of preventive administration of melatonin on the arrhythmogenic substrate in the myocardium was studied in the rabbit model of acute ischemia/reperfusion in vivo. The animals treated with melatonin 60 min before ischemia induction had shorter median activation time compared to the control group (p=0.039), less pronounced shortening of repolarization durations in the ischemic zone during coronary occlusion (p=0.008), and more complete recovery of repolarization during reperfusion (p=0.027). In the melatonin group, the dispersion of repolarization was less than in the control group during both ischemic period (p=0.043) and reperfusion (p=0.038). Thus, preventive administration of melatonin mitigated the arrhythmogenic substrate in the heart under conditions of ischemia/reperfusion.
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16
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Liang Q, Cai W, Zhao Y, Xu H, Tang H, Chen D, Qian F, Sun L. Lycorine ameliorates bleomycin-induced pulmonary fibrosis via inhibiting NLRP3 inflammasome activation and pyroptosis. Pharmacol Res 2020; 158:104884. [DOI: 10.1016/j.phrs.2020.104884] [Citation(s) in RCA: 43] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/25/2019] [Revised: 04/10/2020] [Accepted: 05/01/2020] [Indexed: 01/17/2023]
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17
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Sanz R, Mazzei L, Santino N, Ingrasia M, Manucha W. Vitamin D-mitochondria cross-talk could modulate the signaling pathway involved in hypertension development: a translational integrative overview. CLINICA E INVESTIGACION EN ARTERIOSCLEROSIS 2020; 32:144-155. [PMID: 32456803 DOI: 10.1016/j.arteri.2020.02.002] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/11/2019] [Revised: 02/12/2020] [Accepted: 02/27/2020] [Indexed: 12/25/2022]
Abstract
Vitamin D deficiency is a worldwide pandemic and results in osteoporosis, hypertension, and other cardiovascular diseases. At the cellular level, it produces significant oxidative stress, inflammatory markers, and mitochondrial damage. There is increasing evidence about the role of vitamin D in the regulation of the renin-angiotensin-aldosterone system (RAAS). Moreover, there is evidence of involvement in cardiovascular complications, as well as in the immune system disorders. Vitamin D values below 25ng/mL are related to an increase in vascular tone mediated by smooth muscle contraction. Furthermore, it can produce direct effects on vascular smooth muscle cells, RAAS over-regulation, modulation of calcium metabolism, and secondary hyperparathyroidism. All this predisposes patients to develop hypertrophy of the left ventricle and vascular wall, causing hypertension. In this work, a review is presented of the main mechanisms involved in the development of hypertension due to vitamin D deficiency. Among them are the link established between the levels of extra-mitochondrial inorganic phosphate, its main regulatory hormones -such as vitamin D-, the cardiovascular system, reactive oxygen species, and mitochondrial metabolism. The role of the mitochondrial vitamin D receptor and the regulation of the respiratory chain could influence arterial remodelling since its activation would reduce oxidative damage and preserve cell life. However, there are aspects not yet understood about the intricate signalling network that appeared simple in experimental trials, but complex in clinical studies. In this way, the completion of new studies as VITAL, could clarify, and thus support or refute the possible benefits of vitamin D in hypertensive cardiovascular disease.
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Affiliation(s)
- Raúl Sanz
- Laboratorio de Farmacología Experimental Básica y Traslacional, Área de Farmacología, Departamento de Patología, Facultad de Ciencias Médicas, Universidad Nacional de Cuyo, Centro Universitario, Mendoza, Argentina
| | - Luciana Mazzei
- Laboratorio de Farmacología Experimental Básica y Traslacional, Área de Farmacología, Departamento de Patología, Facultad de Ciencias Médicas, Universidad Nacional de Cuyo, Centro Universitario, Mendoza, Argentina; Instituto de Medicina y Biología Experimental de Cuyo, Consejo Nacional de Investigación Científica y Tecnológica (IMBECU-CONICET), Mendoza, Argentina
| | - Nicolás Santino
- Laboratorio de Farmacología Experimental Básica y Traslacional, Área de Farmacología, Departamento de Patología, Facultad de Ciencias Médicas, Universidad Nacional de Cuyo, Centro Universitario, Mendoza, Argentina
| | - Marco Ingrasia
- Laboratorio de Farmacología Experimental Básica y Traslacional, Área de Farmacología, Departamento de Patología, Facultad de Ciencias Médicas, Universidad Nacional de Cuyo, Centro Universitario, Mendoza, Argentina
| | - Walter Manucha
- Laboratorio de Farmacología Experimental Básica y Traslacional, Área de Farmacología, Departamento de Patología, Facultad de Ciencias Médicas, Universidad Nacional de Cuyo, Centro Universitario, Mendoza, Argentina; Instituto de Medicina y Biología Experimental de Cuyo, Consejo Nacional de Investigación Científica y Tecnológica (IMBECU-CONICET), Mendoza, Argentina.
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18
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Song YJ, Zhong CB, Wu W. Cardioprotective effects of melatonin: Focusing on its roles against diabetic cardiomyopathy. Biomed Pharmacother 2020; 128:110260. [PMID: 32447213 DOI: 10.1016/j.biopha.2020.110260] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2020] [Revised: 05/01/2020] [Accepted: 05/10/2020] [Indexed: 02/06/2023] Open
Abstract
Melatonin is a pineal-produced indole known for its anti-aging, antiapoptotic and antioxidant properties. In past decades, the protective potentials of melatonin for cardiovascular diseases, such as atherosclerosis and myocardial infarction, have been widely revealed, triggering more investigations focused on other cardioprotective effects of melatonin. Recently, the roles of melatonin in diabetic cardiomyopathy (DCM) have attracted increased attention. In this regard, researchers found that melatonin attenuated cardiac fibrosis and hypertrophy, thus interrupting the development of DCM. Retinoid-related orphan receptor α is a key melatonin receptor that contributed to the cardioprotective effect of melatonin in hearts with DCM. For the downstream mechanisms, the inhibition of mammalian STE20-like kinase 1 plays a pivotal role, which exerts antiapoptotic and proautophagic effects, thus enhancing cardiac tolerance in high-glucose conditions. In addition, other signalling mechanisms, such as sirtuin-1/peroxisome proliferator-activated receptor gamma-coactivator alpha and endoplasmic reticulum-related signalling, are also involved in the protective effects of melatonin on cardiomyocytes under diabetic conditions. This review will focus on the protective signalling mechanisms regulated by melatonin and provide a better understanding of the therapeutic applications of melatonin signalling in DCM.
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Affiliation(s)
- Yan-Jun Song
- Department of Cardiology, Peking Union Medical College Hospital, Peking Union Medical College and Chinese Academy of Medical Science, 1 Shuai Fu Yuan, Beijing, 100730, PR China.
| | - Chong-Bin Zhong
- Department of Cardiology, Heart Centre, Zhujiang Hospital, Southern Medical University, Guangzhou, Guangdong, 510282, PR China.
| | - Wei Wu
- Department of Cardiology, Peking Union Medical College Hospital, Peking Union Medical College and Chinese Academy of Medical Science, 1 Shuai Fu Yuan, Beijing, 100730, PR China.
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19
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Martín Giménez VM, Inserra F, Tajer CD, Mariani J, Ferder L, Reiter RJ, Manucha W. Lungs as target of COVID-19 infection: Protective common molecular mechanisms of vitamin D and melatonin as a new potential synergistic treatment. Life Sci 2020; 254:117808. [PMID: 32422305 PMCID: PMC7227533 DOI: 10.1016/j.lfs.2020.117808] [Citation(s) in RCA: 80] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2020] [Revised: 05/03/2020] [Accepted: 05/13/2020] [Indexed: 12/16/2022]
Abstract
COVID-19 pandemic has a high mortality rate and is affecting practically the entire world population. The leading cause of death is severe acute respiratory syndrome as a consequence of exacerbated inflammatory response accompanied by uncontrolled oxidative stress as well as the inflammatory reaction at the lung level. Until now, there is not a specific and definitive treatment for this pathology that worries the world population, especially the older adults who constitute the main risk group. In this context, it results in a particular interest in the evaluation of the efficacy of existing pharmacological agents that may be used for overcoming or attenuating the severity of this pulmonary complication that has ended the lives of many people worldwide. Vitamin D and melatonin could be good options for achieving this aim, taking into account that they have many shared underlying mechanisms that are able to modulate and control the immune adequately and oxidative response against COVID-19 infection, possibly even through a synergistic interaction. The renin-angiotensin system exaltation with consequent inflammatory response has a leading role in the physiopathology of COVID-19 infection; and it may be down-regulated by vitamin D and melatonin in many organs. Therefore, it is also essential to analyze this potential therapeutic association and their relation with RAS as part of this new approach.
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Affiliation(s)
- Virna Margarita Martín Giménez
- Institute of Research in Chemical Sciences, School of Chemical and Technological Sciences, Cuyo Catholic University, San Juan, Argentina
| | | | - Carlos D Tajer
- Department of Cardiovascular Disease, Hospital de Alta Complejidad El Cruce, Calchaqui 5401, Florencio Varela, Provincia de Buenos Aires 1418857983, Argentina
| | - Javier Mariani
- Department of Cardiology, Hospital El Cruce Néstor C. Kirchner, Av. Calchaquí 5401, Florencio Varela, Buenos Aires 1888, Argentina
| | - León Ferder
- Maimónides University, Buenos Aires, Argentina
| | - Russel J Reiter
- Department of Cellular and Structural Biology, University of Texas Health Science at San Antonio, San Antonio, TX, USA
| | - Walter Manucha
- Pathology Department, Pharmacology Area Medical Sciences College, National University of Cuyo, Mendoza, CP5500, Argentina; National Scientific and Technical Research Council, Institute of Medical and Experimental Biology of Cuyo, Mendoza, Argentina.
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20
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Mocayar Marón FJ, Ferder L, Reiter RJ, Manucha W. Daily and seasonal mitochondrial protection: Unraveling common possible mechanisms involving vitamin D and melatonin. J Steroid Biochem Mol Biol 2020; 199:105595. [PMID: 31954766 DOI: 10.1016/j.jsbmb.2020.105595] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/01/2019] [Revised: 01/09/2020] [Accepted: 01/16/2020] [Indexed: 12/11/2022]
Abstract
From an evolutionary point of view, vitamin D and melatonin appeared very early and share functions related to defense mechanisms. In the current clinical setting, vitamin D is exclusively associated with phosphocalcic metabolism. Meanwhile, melatonin has chronobiological effects and influences the sleep-wake cycle. Scientific evidence, however, has identified new actions of both molecules in different physiological and pathological settings. The biosynthetic pathways of vitamin D and melatonin are inversely related relative to sun exposure. A deficiency of these molecules has been associated with the pathogenesis of cardiovascular diseases, including arterial hypertension, neurodegenerative diseases, sleep disorders, kidney diseases, cancer, psychiatric disorders, bone diseases, metabolic syndrome, and diabetes, among others. During aging, the intake and cutaneous synthesis of vitamin D, as well as the endogenous synthesis of melatonin are remarkably depleted, therefore, producing a state characterized by an increase of oxidative stress, inflammation, and mitochondrial dysfunction. Both molecules are involved in the homeostatic functioning of the mitochondria. Given the presence of specific receptors in the organelle, the antagonism of the renin-angiotensin-aldosterone system (RAAS), the decrease of reactive species of oxygen (ROS), in conjunction with modifications in autophagy and apoptosis, anti-inflammatory properties inter alia, mitochondria emerge as the final common target for melatonin and vitamin D. The primary purpose of this review is to elucidate the common molecular mechanisms by which vitamin D and melatonin might share a synergistic effect in the protection of proper mitochondrial functioning.
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Affiliation(s)
- Feres José Mocayar Marón
- Área de Farmacología, Departamento de Patología, Facultad de Ciencias Médicas, Universidad Nacional de Cuyo, Argentina; Instituto de Medicina y Biología Experimental de Cuyo (IMBECU), Consejo Nacional de Investigaciones Científicas y Tecnológicas (CONICET), Mendoza, Argentina
| | - León Ferder
- Department of Pediatrics, Nephrology Division, Miller School of Medicine, University of Miami, FL, USA
| | - Russel J Reiter
- Department of Cellular and Structural Biology, University of Texas Health Science at San Antonio, San Antonio, TX, USA
| | - Walter Manucha
- Área de Farmacología, Departamento de Patología, Facultad de Ciencias Médicas, Universidad Nacional de Cuyo, Argentina; Instituto de Medicina y Biología Experimental de Cuyo (IMBECU), Consejo Nacional de Investigaciones Científicas y Tecnológicas (CONICET), Mendoza, Argentina.
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21
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Hu ZP, Fang XL, Sheng B, Guo Y, Yu YQ. Melatonin inhibits macrophage infiltration and promotes plaque stabilization by upregulating anti-inflammatory HGF/c-Met system in the atherosclerotic rabbit: USPIO-enhanced MRI assessment. Vascul Pharmacol 2020; 127:106659. [DOI: 10.1016/j.vph.2020.106659] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2019] [Revised: 02/06/2020] [Accepted: 02/14/2020] [Indexed: 01/08/2023]
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22
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García S, Martín Giménez VM, Mocayar Marón FJ, Reiter RJ, Manucha W. Melatonin and cannabinoids: mitochondrial-targeted molecules that may reduce inflammaging in neurodegenerative diseases. Histol Histopathol 2020; 35:789-800. [PMID: 32154907 DOI: 10.14670/hh-18-212] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Generally, the development and progression of neurodegenerative diseases are associated with advancing age, so they are usually diagnosed in late adulthood. A primary mechanism underlying the onset of neurodegenerative diseases is neuroinflammation. Based on this background, the concept of "neuroinflammaging" has emerged. In this deregulated neuroinflammatory process, a variety of immune cells participate, especially glial cells, proinflammatory cytokines, receptors, and subcellular organelles including mitochondria, which are mainly responsible for maintaining redox balance at the cellular level. Senescence and autophagic processes also play a crucial role in the neuroinflammatory disease associated with aging. Of particular interest, melatonin, cannabinoids, and the receptors of both molecules which are closely related, exert beneficial effects on the neuroinflammatory processes that precede the onset of neurodegenerative pathologies such as Parkinson's and Alzheimer's diseases. Some of these neuroprotective effects are fundamentally related to its anti-inflammatory and antioxidative actions at the mitochondrial level due to the strategic functions of this organelle. The aim of this review is to summarize the most recent advances in the study of neuroinflammation and neurodegeneration associated with age and to consider the use of new mitochondrial therapeutic targets related to the endocannabinoid system and the pineal gland.
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Affiliation(s)
- Sebastián García
- Institute of Pharmacology, Department of Pathology, School of Medical Sciences, Cuyo National University, Mendoza, Argentina.,Institute of Medicine and Experimental Biology of Cuyo (IMBECU), National Council of Scientific and Technological Research (CONICET), Mendoza, Argentina
| | - Virna Margarita Martín Giménez
- Institute of Research in Chemical Sciences, School of Chemical and Technological Sciences, Cuyo Catholic University, San Juan, Argentina
| | - Feres José Mocayar Marón
- Institute of Pharmacology, Department of Pathology, School of Medical Sciences, Cuyo National University, Mendoza, Argentina.,Institute of Medicine and Experimental Biology of Cuyo (IMBECU), National Council of Scientific and Technological Research (CONICET), Mendoza, Argentina
| | - Russel J Reiter
- Department of Cellular and Structural Biology, University of Texas Health Science at San Antonio, San Antonio, TX, USA
| | - Walter Manucha
- Institute of Medicine and Experimental Biology of Cuyo (IMBECU), National Council of Scientific and Technological Research (CONICET), Mendoza, Argentina.,Institute of Pharmacology, Department of Pathology, School of Medical Sciences, Cuyo National University, Mendoza, Argentina.
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23
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Reperfusion Arrhythmias Increase after Superior Cervical Ganglionectomy Due to Conduction Disorders and Changes in Repolarization. Int J Mol Sci 2020; 21:ijms21051804. [PMID: 32155697 PMCID: PMC7084297 DOI: 10.3390/ijms21051804] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2019] [Revised: 02/20/2020] [Accepted: 03/04/2020] [Indexed: 01/15/2023] Open
Abstract
Pharmacological concentrations of melatonin reduce reperfusion arrhythmias, but less is known about the antiarrhythmic protection of the physiological circadian rhythm of melatonin. Bilateral surgical removal of the superior cervical ganglia irreversibly suppresses melatonin rhythmicity. This study aimed to analyze the cardiac electrophysiological effects of the loss of melatonin circadian oscillation and the role played by myocardial melatonin membrane receptors, SERCA2A, TNFα, nitrotyrosine, TGFβ, KATP channels, and connexin 43. Three weeks after bilateral removal of the superior cervical ganglia or sham surgery, the hearts were isolated and submitted to ten minutes of regional ischemia followed by ten minutes of reperfusion. Arrhythmias, mainly ventricular tachycardia, increased during reperfusion in the ganglionectomy group. These hearts also suffered an epicardial electrical activation delay that increased during ischemia, action potential alternants, triggered activity, and dispersion of action potential duration. Hearts from ganglionectomized rats showed a reduction of the cardioprotective MT2 receptors, the MT1 receptors, and SERCA2A. Markers of nitroxidative stress (nitrotyrosine), inflammation (TNFα), and fibrosis (TGFβ and vimentin) did not change between groups. Connexin 43 lateralization and the pore-forming subunit (Kir6.1) of KATP channels increased in the experimental group. We conclude that the loss of the circadian rhythm of melatonin predisposes the heart to suffer cardiac arrhythmias, mainly ventricular tachycardia, due to conduction disorders and changes in repolarization.
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24
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Wu GC, Peng CK, Liao WI, Pao HP, Huang KL, Chu SJ. Melatonin receptor agonist protects against acute lung injury induced by ventilator through up-regulation of IL-10 production. Respir Res 2020; 21:65. [PMID: 32143642 PMCID: PMC7059294 DOI: 10.1186/s12931-020-1325-2] [Citation(s) in RCA: 38] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2019] [Accepted: 02/17/2020] [Indexed: 02/06/2023] Open
Abstract
Background It is well known that ventilation with high volume or pressure may damage healthy lungs or worsen injured lungs. Melatonin has been reported to be effective in animal models of acute lung injury. Melatonin exerts its beneficial effects by acting as a direct antioxidant and via melatonin receptor activation. However, it is not clear whether melatonin receptor agonist has a protective effect in ventilator-induced lung injury (VILI). Therefore, in this study, we determined whether ramelteon (a melatonin receptor agonist) can attenuate VILI and explore the possible mechanism for protection. Methods VILI was induced by high tidal volume ventilation in a rat model. The rats were randomly allotted into the following groups: control, control+melatonin, control+ramelteon, control+luzindole, VILI, VILI+luzindole, VILI + melatonin, VILI + melatonin + luzindole (melatonin receptor antagonist), VILI + ramelteon, and VILI + ramelteon + luzindole (n = 6 per group). The role of interleukin-10 (IL-10) in the melatonin- or ramelteon-mediated protection against VILI was also investigated. Results Ramelteon treatment markedly reduced lung edema, serum malondialdehyde levels, the concentration of inflammatory cytokines in bronchoalveolar lavage fluid (BALF), NF-κB activation, iNOS levels, and apoptosis in the lung tissue. Additionally, ramelteon treatment significantly increased heat shock protein 70 expression in the lung tissue and IL-10 levels in BALF. The protective effect of ramelteon was mitigated by the administration of luzindole or an anti-IL-10 antibody. Conclusions Our results suggest that a melatonin receptor agonist has a protective effect against VILI, and its protective mechanism is based on the upregulation of IL-10 production.
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Affiliation(s)
- Geng-Chin Wu
- The Graduate Institute of Medical Sciences, National Defense Medical Center, Taipei, Taiwan.,Department of Internal Medicine, Taoyuan Armed Forces General Hospital, Taoyuan, Taiwan
| | - Chung-Kan Peng
- Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan
| | - Wen-I Liao
- Department of Emergency Medicine, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan
| | - Hsin-Ping Pao
- The Graduate Institute of Medical Sciences, National Defense Medical Center, Taipei, Taiwan
| | - Kun-Lun Huang
- Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan. .,Institute of Aerospace and Undersea Medicine, National Defense Medical Center, Taipei, Taiwan.
| | - Shi-Jye Chu
- Department of Internal Medicine, Tri-Service General Hospital, National Defense Medical Center, No. 325, Section 2, Chenggong Road, Neihu, Taipei, 114, Taiwan.
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25
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Mocayar Marón FJ, Camargo AB, Manucha W. Allicin pharmacology: Common molecular mechanisms against neuroinflammation and cardiovascular diseases. Life Sci 2020; 249:117513. [PMID: 32145307 DOI: 10.1016/j.lfs.2020.117513] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2019] [Revised: 02/24/2020] [Accepted: 03/03/2020] [Indexed: 12/22/2022]
Abstract
According to investigations in phytomedicine and ethnopharmacology, the therapeutic properties of garlic (Allium sativum) have been described by ancestral cultures. Notwithstanding, it is of particular concern to elucidate the molecular mechanisms underlying this millenary empirical knowledge. Allicin (S-allyl prop-2-ene-1-sulfinothioate), a thioester of sulfenic acid, is one of the main bioactive compounds present in garlic, and it is responsible for the particular aroma of the spice. The pharmacological attributes of allicin integrate a broad spectrum of properties (e.g., anti-inflammatory, immunomodulatory, antibiotic, antifungal, antiparasitic, antioxidant, nephroprotective, neuroprotective, cardioprotective, and anti-tumoral activities, among others). The primary goal of the present article is to review and clarify the common molecular mechanisms by which allicin and its derivates molecules may perform its therapeutic effects on cardiovascular diseases and neuroinflammatory processes. The intricate interface connecting the cardiovascular and nervous systems suggests that the impairment of one organ could contribute to the dysfunction of the other. Allicin might target the cornerstone of the pathological processes underlying cardiovascular and neuroinflammatory disorders, like inflammation, renin-angiotensin-aldosterone system (RAAS) hyperactivation, oxidative stress, and mitochondrial dysfunction. Indeed, the current evidence suggests that allicin improves mitochondrial function by enhancing the expression of HSP70 and NRF2, decreasing RAAS activation, and promoting mitochondrial fusion processes. Finally, allicin represents an attractive therapeutic alternative targeting the complex interaction between cardiovascular and neuroinflammatory disorders.
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Affiliation(s)
- Feres José Mocayar Marón
- Área de Farmacología, Departamento de Patología, Facultad de Ciencias Médicas, Universidad Nacional de Cuyo (UNCuyo), Mendoza, Argentina; Instituto de Medicina y Biología Experimental de Cuyo (IMBECU-UNCuyo), Consejo Nacional de Investigaciones Científicas y Tecnológicas (CONICET), Mendoza, Argentina
| | - Alejandra Beatriz Camargo
- Facultad de Ciencias Agrarias, Universidad Nacional de Cuyo (UNCuyo), Mendoza, Argentina; Instituto de Biología Agrícola de Mendoza (IBAM), CONICET, Mendoza, Argentina
| | - Walter Manucha
- Área de Farmacología, Departamento de Patología, Facultad de Ciencias Médicas, Universidad Nacional de Cuyo (UNCuyo), Mendoza, Argentina; Instituto de Medicina y Biología Experimental de Cuyo (IMBECU-UNCuyo), Consejo Nacional de Investigaciones Científicas y Tecnológicas (CONICET), Mendoza, Argentina.
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Effects of melatonin on cardiovascular risk factors and metabolic syndrome: a comprehensive review. Naunyn Schmiedebergs Arch Pharmacol 2020; 393:521-536. [DOI: 10.1007/s00210-020-01822-4] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2019] [Accepted: 01/10/2020] [Indexed: 12/13/2022]
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Quesada I, de Paola M, Torres-Palazzolo C, Camargo A, Ferder L, Manucha W, Castro C. Effect of Garlic’s Active Constituents in Inflammation, Obesity and Cardiovascular Disease. Curr Hypertens Rep 2020; 22:6. [DOI: 10.1007/s11906-019-1009-9] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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Fang N, Hu C, Sun W, Xu Y, Gu Y, Wu L, Peng Q, Reiter RJ, Liu L. Identification of a novel melatonin-binding nuclear receptor: Vitamin D receptor. J Pineal Res 2020; 68:e12618. [PMID: 31631405 DOI: 10.1111/jpi.12618] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/04/2019] [Revised: 10/09/2019] [Accepted: 10/14/2019] [Indexed: 02/06/2023]
Abstract
Previous studies confirmed that melatonin regulates Runx2 expression but the mechanism is unclear. There is a direct interaction between Runx2 and the vitamin D receptor (VDR). Herein, we observed a direct interaction between melatonin and the VDR but not Runx2 using isothermal titration calorimetry. Furthermore, this direct binding was detected only in the C-terminal ligand binding domain (LBD) of the VDR but not in the N-terminal DNA-binding domain (DBD) or the hinge region. Spectrophotometry indicated that melatonin and vitamin D3 (VD3) had similar uptake rates, but melatonin's uptake was significantly inhibited by VD3 until the concentration of melatonin was obviously higher than that of VD3 in a preosteoblastic cell line MC3T3-E1. GST pull-down and yeast two-hybrid assay showed that the interactive smallest fragments were on the 319-379 position of Runx2 and the N-terminus 110-amino acid DBD of the VDR. Electrophoretic mobility shift assay (EMSA) demonstrated that Runx2 facilitated the affinity between the VDR and its specific DNA substrate, which was further documented by a fluorescent EMSA assay where Cy3 labeled Runx2 co-localized with the VDR-DNA complex. Another fluorescent EMSA assay confirmed that the binding of the VDR to Runx2 was significantly enhanced with an increasing concentrations of the VDR, especially in the presence of melatonin; it was further documented using a co-immunoprecipitation assay that this direct interaction was markedly enhanced by melatonin treatment in the MC3T3-E1 cells. Thus, the VDR is a novel melatonin-binding nuclear receptor, and melatonin indirectly regulates Runx2 when it directly binds to the LBD and the DBD of the VDR, respectively.
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Affiliation(s)
- Nan Fang
- Department of Trauma Orthopaedics, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, China
| | - Chunyi Hu
- State Key Laboratory of Molecular Biology, Institute of Biochemistry and Cell Biology, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai, China
| | - Wenqi Sun
- State Key Laboratory of Molecular Biology, Institute of Biochemistry and Cell Biology, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai, China
| | - Ying Xu
- State Key Laboratory of Molecular Biology, Institute of Biochemistry and Cell Biology, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai, China
| | - Yeqi Gu
- Department of Trauma Orthopaedics, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, China
| | - Le Wu
- Department of Trauma Orthopaedics, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, China
| | - Qing Peng
- Department of Trauma Orthopaedics, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, China
| | - Russel J Reiter
- Department of Cellular & Structural Biology, UT Health Science Center, San Antonio, TX, USA
| | - Lifeng Liu
- Department of Trauma Orthopaedics, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, China
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Melatonin therapy protects against renal injury before and after release of bilateral ureteral obstruction in rats. Life Sci 2019; 229:104-115. [PMID: 31100324 DOI: 10.1016/j.lfs.2019.05.034] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2019] [Revised: 05/06/2019] [Accepted: 05/13/2019] [Indexed: 01/31/2023]
Abstract
AIM Blockage of the urinary tract is often connected with renal function impediment, including reductions in glomerular filtration rate (GFR) and the power to control sodium as well as water elimination through urination. Melatonin, known to be the primary product of the pineal gland, prevents renal damage caused by ischemic reperfusion. However, the effects of melatonin on urinary obstruction, as well as release of obstruction induced kidney injury are still largely unknown. The aim of present study was to investigate the effect of melatonin on mediating protection against renal injury triggered from either bilateral ureteral obstruction (BUO) or BUO release (BUO-R). MAIN METHODS Adult male Sprague-Dawley rats (n = 60) were clustered into six treatment groups: sham treated-1; BUO-non-treated (24 h BUO only); BUO + melatonin; sham treated-2; BUO-48hR (24 h of BUO and then release for 2 days); and BUO-48hR + melatonin. Kidney tissues, blood and urine samples were obtained for further assessment. KEY FINDINGS It was found that melatonin treatment remarkably promoted the recovery of the handling capacity of urinary excretion of water as well as sodium in BUO and BUO-48hR models. Melatonin treatment partially inhibited inflammatory cytokine expression and the downregulation of aquaporin (AQPs, AQP-1, -2 and -3) expression in these two models. Moreover, the cytoarchitecture of BUO rats exposed to melatonin was well preserved. SIGNIFICANCE Melatonin treatment potently prevents BUO or BUO-R induced renal injury, which may be partially attributed to restoring the expression of AQPs and inhibition of inflammatory response, as well as preserving renal ultrastructural integrity.
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