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Samir H, Samir M, Radwan F, Mandour AS, El-Sherbiny HR, Ahmed AE, Al Syaad KM, Al-Saeed FA, Watanabe G. Effect of pre-treatment of melatonin on superovulation response, circulatory hormones, and miRNAs in goats during environmental heat stress conditions. Vet Res Commun 2024; 48:459-474. [PMID: 37831382 DOI: 10.1007/s11259-023-10239-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2023] [Accepted: 10/10/2023] [Indexed: 10/14/2023]
Abstract
Environmental heat stress has a deleterious impact on farm animal reproductive performance. The purpose of this study was to see how the addition of melatonin affected the efficacy of the superovulation regimen in goats in hot climatic conditions. Sixteen Shiba goats were synchronized and divided into two equal groups (n = 8, each): the melatonin group, which received a single S/C dose of melatonin, and a control group, treated with one ml of corn oil only. Ultrasonographic assessment of ovarian structures (Graafian follicles; GFs and corpus lutea; CLs) morphometry and hemodynamics were performed during the estrous phase of the superovulation (D0) and at day7 after ovulation (D7) of the superovulation regimen. The peripheral reproductive hormones were measured, and microRNAs were characterized. The mean diameter and the total-colored area of GFs during the D0 were significantly (P˂0.05) higher in the melatonin group (5.42 ± 0.11 mm and 1592.20 ± 45.26 pixels, respectively) compared to the control group (4.62 ± 0.12 mm and 1052.55 ± 29.47 pixels, respectively). Concentrations of LH and E2 increased significantly (P˂0.05) in the melatonin group (1.06 ± 0.06 ng/ml and 46.34 ± 2.77 pg/ml, respectively) compared to the control group (0.75 ± 0.12 ng/ml and 29.33 ± 1.89 pg/ml, respectively). At D7, the melatonin-received goats attained greater values in the mean count (6.75 ± 0.33, P˂0.005), diameters (6.08 ± 0.12 mm, P˂0.01), and total-colored area (17137.30 ± 128.53 pixels, P˂0.01) of detected CLs and progesterone concentrations (4.08 ± 0.24 ng/ml) compared to control goats (4.00 ± 0.28, 4.50 ± 0.19 mm, 11156.87 ± 117.90 pixels, and 2.90 ± 0.18 ng/ml respectively). MiRNA expression analysis was identified during both stages denoting several up and downregulated miRNA candidates among the studied groups. In conclusion, incorporating melatonin enhanced the efficiency of the superovulation regimen in goats under hot climatic conditions.
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Affiliation(s)
- Haney Samir
- Department of Theriogenology, Faculty of Veterinary Medicine, Cairo University, Giza, 12211, Egypt.
- Laboratory of Veterinary Physiology, Department of Veterinary Medicine, Faculty of Agriculture, Tokyo University of Agriculture and Technology, 3-5-8 Saiwai-Cho, Fuchu, Tokyo, 183-8509, Japan.
| | - Mohamed Samir
- Department of Zoonoses, Faculty of Veterinary Medicine, Zagazig University, Zagazig, Egypt
- Immunogenetics Department, Pirbright Institute, Woking, UK
| | - Faten Radwan
- Laboratory of Veterinary Physiology, Department of Veterinary Medicine, Faculty of Agriculture, Tokyo University of Agriculture and Technology, 3-5-8 Saiwai-Cho, Fuchu, Tokyo, 183-8509, Japan
- Veterinarian graduated from the Faculty of Veterinary Medicine, Benha University, Moshtohor, Toukh, Elqaliobiya, 13736, Egypt
| | - Ahmed S Mandour
- Department of Animal Medicine (Internal Medicine), Faculty of Veterinary Medicine, Suez Canal University, Ismailia, 41522, Egypt
| | - Hossam R El-Sherbiny
- Department of Theriogenology, Faculty of Veterinary Medicine, Cairo University, Giza, 12211, Egypt
| | - Ahmed Ezzat Ahmed
- Biology Department, College of Science, King Khalid University, Abha, 61413, Saudi Arabia
| | - Khalid M Al Syaad
- Biology Department, College of Science, King Khalid University, Abha, 61413, Saudi Arabia
| | - Fatimah A Al-Saeed
- Biology Department, College of Science, King Khalid University, Abha, 61413, Saudi Arabia
| | - Gen Watanabe
- Laboratory of Veterinary Physiology, Department of Veterinary Medicine, Faculty of Agriculture, Tokyo University of Agriculture and Technology, 3-5-8 Saiwai-Cho, Fuchu, Tokyo, 183-8509, Japan
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Silva BR, Barrozo LG, Nascimento DR, Costa FC, Azevedo VAN, Paulino LRFM, Lopes EPF, Batista ALPS, Aguiar FLN, Peixoto CA, Donato MAM, Rodrigues APR, Silva JRV. Effects of cyclic adenosine monophosphate modulating agents during oocyte pre-maturation and the role of melatonin on in vitro maturation of bovine cumulus-oocyte complexes. Anim Reprod Sci 2023; 257:107327. [PMID: 37696223 DOI: 10.1016/j.anireprosci.2023.107327] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2023] [Revised: 08/16/2023] [Accepted: 09/01/2023] [Indexed: 09/13/2023]
Abstract
This study investigated the effects of cyclic adenosine monophosphate modulating during cumulus-oocyte complexes (COCs) pre-maturation and the role of melatonin on in vitro maturation (IVM) of bovine COCs. In experiment one, COCs were pre-matured for 8 h in control medium or with 3-isobutyl-1-methylxanthine (IBMX) and forskolin, IBMX and C-type natriuretic peptide, c-type natriuretic peptide and forskolin or IBMX, forskolin and c-type natriuretic peptide. Then, meiotic progression was evaluated. In experiment two, COCs were pre-matured, followed by IVM in control medium alone or with 10-6, 10-7 or 10-8 M melatonin. After IVM, chromatin configuration, transzonal projections (TZPs), reactive oxygen species, mitochondrial distribution, ultrastructure and mRNA expression for antioxidant enzymes were evaluated. In experiment 1, COCs pre-matured with both C-type natriuretic peptide and forskolin or C-type natriuretic peptide, forskolin and IBMX had lower meiotic resumption rate when compared to control. Considering that IBMX had not an additional effect to potentiate inhibition of meiotic resumption, a combination of C-type natriuretic peptide and forskolin was chosen. In experiment 2, COCs matured with 10-8 M melatonin had greater rates of meiotic resumption when compared to the other treatments (P < 0.05). The COCs matured with 10-7 or 10-8 M melatonin had greater mitochondrial activity (P < 0.05), while those matured with 10-6 or 10-8 M of melatonin had greater levels of TZPs. Ultrastructure of oocyte and cumulus cells after IVM with melatonin was relatively well preserved. COCs matured with 10-8 M melatonin increased mRNA expression for superoxide dismutase (SOD) and catalase (CAT) (P < 0.05), when compared to non-cultured and pre-matured COCs, respectively. In conclusion, bovine COC pre-maturation with C-type natriuretic peptide and forskolin, followed by IVM with 10-8 M melatonin improves meiotic resumption rates, TZPs, mitochondrial distribution and mRNA expression for SOD and CAT.
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Affiliation(s)
- Bianca R Silva
- Laboratory of Biotechnology and Physiology of Reproduction (LABIREP), Federal University of Ceara, Av. Maurocélio Rocha Ponte 100, Sobral 62041-040, Ceará, Brazil
| | - Laryssa G Barrozo
- Laboratory of Biotechnology and Physiology of Reproduction (LABIREP), Federal University of Ceara, Av. Maurocélio Rocha Ponte 100, Sobral 62041-040, Ceará, Brazil
| | - Danisvânia R Nascimento
- Laboratory of Biotechnology and Physiology of Reproduction (LABIREP), Federal University of Ceara, Av. Maurocélio Rocha Ponte 100, Sobral 62041-040, Ceará, Brazil
| | - Francisco C Costa
- Laboratory of Biotechnology and Physiology of Reproduction (LABIREP), Federal University of Ceara, Av. Maurocélio Rocha Ponte 100, Sobral 62041-040, Ceará, Brazil
| | - Venância A N Azevedo
- Laboratory of Biotechnology and Physiology of Reproduction (LABIREP), Federal University of Ceara, Av. Maurocélio Rocha Ponte 100, Sobral 62041-040, Ceará, Brazil
| | - Laís R F M Paulino
- Laboratory of Biotechnology and Physiology of Reproduction (LABIREP), Federal University of Ceara, Av. Maurocélio Rocha Ponte 100, Sobral 62041-040, Ceará, Brazil
| | - Everton P F Lopes
- Faculty of Veterinary Medicine, Laboratory of Manipulation of Oocytes and Preantral Follicles (LAMOFOPA), State University of Ceará, Fortaleza, Ceará, Brazil
| | - Ana L P S Batista
- Laboratory of Biotechnology and Physiology of Reproduction (LABIREP), Federal University of Ceara, Av. Maurocélio Rocha Ponte 100, Sobral 62041-040, Ceará, Brazil
| | - Francisco L N Aguiar
- Department of Veterinary Medicine, Sousa Campus, Federal Institute of Education, Science and Technology of Paraíba, Sousa, Paraíba, Brazil
| | - Christina A Peixoto
- Laboratory of Ultrastructure, CPqAM/FIOCRUZ, Federal University of Pernambuco, Recife, Pernambuco, Brazil
| | - Mariana A M Donato
- Laboratory of Ultrastructure, CPqAM/FIOCRUZ, Federal University of Pernambuco, Recife, Pernambuco, Brazil
| | - Ana P R Rodrigues
- Faculty of Veterinary Medicine, Laboratory of Manipulation of Oocytes and Preantral Follicles (LAMOFOPA), State University of Ceará, Fortaleza, Ceará, Brazil
| | - José R V Silva
- Laboratory of Biotechnology and Physiology of Reproduction (LABIREP), Federal University of Ceara, Av. Maurocélio Rocha Ponte 100, Sobral 62041-040, Ceará, Brazil.
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Csoma B, Bikov A. The Role of the Circadian Rhythm in Dyslipidaemia and Vascular Inflammation Leading to Atherosclerosis. Int J Mol Sci 2023; 24:14145. [PMID: 37762448 PMCID: PMC10532147 DOI: 10.3390/ijms241814145] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2023] [Revised: 09/12/2023] [Accepted: 09/13/2023] [Indexed: 09/29/2023] Open
Abstract
Cardiovascular diseases (CVD) are among the leading causes of death worldwide. Many lines of evidence suggest that the disturbances in circadian rhythm are responsible for the development of CVDs; however, circadian misalignment is not yet a treatable trait in clinical practice. The circadian rhythm is controlled by the central clock located in the suprachiasmatic nucleus and clock genes (molecular clock) located in all cells. Dyslipidaemia and vascular inflammation are two hallmarks of atherosclerosis and numerous experimental studies conclude that they are under direct influence by both central and molecular clocks. This review will summarise the results of experimental studies on lipid metabolism, vascular inflammation and circadian rhythm, and translate them into the pathophysiology of atherosclerosis and cardiovascular disease. We discuss the effect of time-respected administration of medications in cardiovascular medicine. We review the evidence on the effect of bright light and melatonin on cardiovascular health, lipid metabolism and vascular inflammation. Finally, we suggest an agenda for future research and recommend on clinical practice.
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Affiliation(s)
- Balazs Csoma
- Wythenshawe Hospital, Manchester University NHS Foundation Trust, Manchester M23 9LT, UK;
- Department of Pulmonology, Semmelweis University, 1083 Budapest, Hungary
| | - Andras Bikov
- Wythenshawe Hospital, Manchester University NHS Foundation Trust, Manchester M23 9LT, UK;
- Division of Immunology, Immunity to Infection and Respiratory Medicine, School of Biological Sciences, Faculty of Biology, Medicine and Health, The University of Manchester, Manchester M13 9PL, UK
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Durkina AV, Szeiffova Bacova B, Bernikova OG, Gonotkov MA, Sedova KA, Cuprova J, Vaykshnorayte MA, Diez ER, Prado NJ, Azarov JE. Blockade of Melatonin Receptors Abolishes Its Antiarrhythmic Effect and Slows Ventricular Conduction in Rat Hearts. Int J Mol Sci 2023; 24:11931. [PMID: 37569306 PMCID: PMC10419066 DOI: 10.3390/ijms241511931] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2023] [Revised: 07/17/2023] [Accepted: 07/22/2023] [Indexed: 08/13/2023] Open
Abstract
Melatonin has been reported to cause myocardial electrophysiological changes and prevent ventricular tachycardia or fibrillation (VT/VF) in ischemia and reperfusion. We sought to identify electrophysiological targets responsible for the melatonin antiarrhythmic action and to explore whether melatonin receptor-dependent pathways or its antioxidative properties are essential for these effects. Ischemia was induced in anesthetized rats given a placebo, melatonin, and/or luzindole (MT1/MT2 melatonin receptor blocker), and epicardial mapping with reperfusion VT/VFs assessment was performed. The oxidative stress assessment and Western blotting analysis were performed in the explanted hearts. Transmembrane potentials and ionic currents were recorded in cardiomyocytes with melatonin and/or luzindole application. Melatonin reduced reperfusion VT/VF incidence associated with local activation time in logistic regression analysis. Melatonin prevented ischemia-related conduction slowing and did not change the total connexin43 (Cx43) level or oxidative stress markers, but it increased the content of a phosphorylated Cx43 variant (P-Cx43368). Luzindole abolished the melatonin antiarrhythmic effect, slowed conduction, decreased total Cx43, protein kinase Cε and P-Cx43368 levels, and the IK1 current, and caused resting membrane potential (RMP) depolarization. Neither melatonin nor luzindole modified INa current. Thus, the antiarrhythmic effect of melatonin was mediated by the receptor-dependent enhancement of impulse conduction, which was associated with Cx43 phosphorylation and maintaining the RMP level.
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Affiliation(s)
- Aleksandra V. Durkina
- Department of Cardiac Physiology, Institute of Physiology, Komi Science Center, Ural Branch of the Russian Academy of Sciences, 167982 Syktyvkar, Russia; (A.V.D.); (O.G.B.); (M.A.G.); (M.A.V.); (J.E.A.)
| | - Barbara Szeiffova Bacova
- Center of Experimental Medicine, Institute for Heart Research, Slovak Academy of Sciences, 81438 Bratislava, Slovakia
| | - Olesya G. Bernikova
- Department of Cardiac Physiology, Institute of Physiology, Komi Science Center, Ural Branch of the Russian Academy of Sciences, 167982 Syktyvkar, Russia; (A.V.D.); (O.G.B.); (M.A.G.); (M.A.V.); (J.E.A.)
| | - Mikhail A. Gonotkov
- Department of Cardiac Physiology, Institute of Physiology, Komi Science Center, Ural Branch of the Russian Academy of Sciences, 167982 Syktyvkar, Russia; (A.V.D.); (O.G.B.); (M.A.G.); (M.A.V.); (J.E.A.)
| | - Ksenia A. Sedova
- Department of Biomedical Technology, Faculty of Biomedical Engineering, Czech Technical University in Prague, 27201 Kladno, Czech Republic;
| | - Julie Cuprova
- Department of Health Care Disciplines and Population Protection, Faculty of Biomedical Engineering, Czech Technical University in Prague, 27201 Kladno, Czech Republic;
| | - Marina A. Vaykshnorayte
- Department of Cardiac Physiology, Institute of Physiology, Komi Science Center, Ural Branch of the Russian Academy of Sciences, 167982 Syktyvkar, Russia; (A.V.D.); (O.G.B.); (M.A.G.); (M.A.V.); (J.E.A.)
| | - Emiliano R. Diez
- Instituto de Fisiología, Facultad de Ciencias Médicas, Universidad Nacional de Cuyo, Mendoza 5500, Argentina; (E.R.D.); (N.J.P.)
| | - Natalia J. Prado
- Instituto de Fisiología, Facultad de Ciencias Médicas, Universidad Nacional de Cuyo, Mendoza 5500, Argentina; (E.R.D.); (N.J.P.)
| | - Jan E. Azarov
- Department of Cardiac Physiology, Institute of Physiology, Komi Science Center, Ural Branch of the Russian Academy of Sciences, 167982 Syktyvkar, Russia; (A.V.D.); (O.G.B.); (M.A.G.); (M.A.V.); (J.E.A.)
- Department of Biomedical Technology, Faculty of Biomedical Engineering, Czech Technical University in Prague, 27201 Kladno, Czech Republic;
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Hohor S, Mandanach C, Maftei A, Zugravu CA, Oțelea MR. Impaired Melatonin Secretion, Oxidative Stress and Metabolic Syndrome in Night Shift Work. Antioxidants (Basel) 2023; 12:antiox12040959. [PMID: 37107334 PMCID: PMC10135726 DOI: 10.3390/antiox12040959] [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: 03/14/2023] [Revised: 04/08/2023] [Accepted: 04/15/2023] [Indexed: 04/29/2023] Open
Abstract
Metabolic syndrome has been associated in many studies with working in shifts. Even if the mechanistic details are not fully understood, forced sleep deprivation and exposure to light, as happens during night shifts, or irregular schedules with late or very early onset of the working program, lead to a sleep-wake rhythm misalignment, metabolic dysregulation and oxidative stress. The cyclic melatonin secretion is regulated by the hypothalamic suprachiasmatic nuclei and light exposure. At a central level, melatonin promotes sleep and inhibits wake-signals. Beside this role, melatonin acts as an antioxidant and influences the functionality of the cardiovascular system and of different metabolic processes. This review presents data about the influence of night shifts on melatonin secretion and oxidative stress. Assembling data from epidemiological, experimental and clinical studies contributes to a better understanding of the pathological links between chronodisruption and the metabolic syndrome related to working in shifts.
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Affiliation(s)
- Sorina Hohor
- Doctoral School, "Carol Davila" University of Medicine and Pharmacy, 37 Dionisie Lupu Street, Sector 2, 020021 Bucharest, Romania
| | - Cristina Mandanach
- Doctoral School, "Carol Davila" University of Medicine and Pharmacy, 37 Dionisie Lupu Street, Sector 2, 020021 Bucharest, Romania
| | - Andreea Maftei
- Doctoral School, "Carol Davila" University of Medicine and Pharmacy, 37 Dionisie Lupu Street, Sector 2, 020021 Bucharest, Romania
- "Dr. Carol Davila" Central Military Emergency University Hospital, 134 Calea Plevnei, Sector 1, 010242 Bucharest, Romania
| | - Corina Aurelia Zugravu
- Department of Hygiene and Ecology, "Carol Davila" University of Medicine and Pharmacy, 37 Dionisie Lupu Street, Sector 2, 020021 Bucharest, Romania
| | - Marina Ruxandra Oțelea
- Clinical Department 5, "Carol Davila" University of Medicine and Pharmacy, 37 Dionisie Lupu Street, Sector 2, 020021 Bucharest, Romania
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Erectile Dysfunction: Pharmacological Pathways with Understudied Potentials. Biomedicines 2022; 11:biomedicines11010046. [PMID: 36672554 PMCID: PMC9855349 DOI: 10.3390/biomedicines11010046] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2022] [Revised: 12/15/2022] [Accepted: 12/19/2022] [Indexed: 12/28/2022] Open
Abstract
Erectile dysfunction (ED) is a public health concern worldwide. In the past, it was perceived as a phenomenon attributed to age advancement. However, more individuals are affected every year that do not fall under that age criterion. Epidemiological research revealed that this abnormality has an association with endothelial dysfunction connected to several cardiovascular (CV) risk factors. Currently, ED is interpreted as a clinical marker for future adverse events and not only as a present health issue that negatively affects the quality of life. The management of ED involves lifestyle modifications, therapeutic optimization for comorbid conditions, and pharmacological and psychosexual therapy. Phosphodiesterase type 5 (PDE5) inhibitors are the first-line pharmacological agents to be prescribed for such a condition. Nonetheless, other pharmacological pathways and agents remain underinvestigated or were investigated at some stage. This review aimed to present to future researchers interested in this field with some pharmacological agents that showed favorable effects on a limited number of studies on human subjects or experimental models.
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Potential Therapeutic Approach of Melatonin against Omicron and Some Other Variants of SARS-CoV-2. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27206934. [PMID: 36296527 PMCID: PMC9609612 DOI: 10.3390/molecules27206934] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/05/2022] [Revised: 10/03/2022] [Accepted: 10/11/2022] [Indexed: 11/06/2022]
Abstract
The Omicron variant (B.529) of COVID-19 caused disease outbreaks worldwide because of its contagious and diverse mutations. To reduce these outbreaks, therapeutic drugs and adjuvant vaccines have been applied for the treatment of the disease. However, these drugs have not shown high efficacy in reducing COVID-19 severity, and even antiviral drugs have not shown to be effective. Researchers thus continue to search for an effective adjuvant therapy with a combination of drugs or vaccines to treat COVID-19 disease. We were motivated to consider melatonin as a defensive agent against SARS-CoV-2 because of its various unique properties. Over 200 scientific publications have shown the significant effects of melatonin in treating diseases, with strong antioxidant, anti-inflammatory, and immunomodulatory effects. Melatonin has a high safety profile, but it needs further clinical trials and experiments for use as a therapeutic agent against the Omicron variant of COVID-19. It might immediately be able to prevent the development of severe symptoms caused by the coronavirus and can reduce the severity of the infection by improving immunity.
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Ge W, Xiao L, Duan H, Zhao X, Li J, Hu J. Proteomic analysis of iTRAQ in melatonin-treated sheep epididymal epithelial cells. Reprod Domest Anim 2022; 57:1406-1417. [PMID: 35881670 DOI: 10.1111/rda.14217] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2022] [Revised: 07/08/2022] [Accepted: 07/25/2022] [Indexed: 11/28/2022]
Abstract
During maturation, spermatozoa acquire motility and fertilizing capacity as they transit through the epididymis. Melatonin is a lipophilic hormone with multiple functions in regulating the fertility. Previous studies have shown that melatonin affected the capacitation or maturation of sperm in the epididymis. The aim of this study was to investigate the effects of melatonin on epididymal caput epithelial cells in sheep. In the study, we used iTRAQ labelling coupled with LC-MS/MS for quantitative identification of differentially expressed proteins in melatonin-treated sheep epididymal caput epithelial cells. We identified 69 differentially expressed protein; 41 were upregulated and 28 were downregulated in samples from sheep in melatonin treated. We validated the differential expression of a subset of these proteins using qPCR and Western blot. Gene ontology annotation identified that the differentially expressed proteins function in cellular processes and metabolic processes. Notably, five of the differentially expressed proteins as SOD1, COL1A1, PRM1, NQO2, and FN1 are involved in sperm migration and sperm maturation. KEGG enrichment analysis demonstrated significant enrichment in several cardiac-related pathways, such as "PI3K-Akt signaling pathway", "AGE-RAGE signaling pathway in diabetic complications", "ECM-receptor interaction", and "Ribosome". Our results suggest that candidate biomarker (SOD1, COL1A1, PRM1, NQO2, and FN1) discovery can aid in understanding sperm development and maturation in sheep. These results provide insights into the potential mechanisms of melatonin regulation of sperm maturation in epididymal caput epithelial cells.
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Affiliation(s)
- Wenbo Ge
- Key Lab of New Animal Drug Project of Gansu Province, Key Lab of Veterinary Pharmaceutical Development of Ministry of Agriculture and Rural Affairs, Lanzhou Institute of Husbandry and Pharmaceutical Science of Chinese Academy of Agricultural Sciences, Lanzhou, China
| | - Longfei Xiao
- Animal Science and Technology College, Beijing University of Agriculture, Beijing, China
| | - Hongwei Duan
- College of Veterinary Medicine, Gansu Agricultural University, Lanzhou, China
| | - Xingxu Zhao
- College of Veterinary Medicine, Gansu Agricultural University, Lanzhou, China
| | - Jianyong Li
- Key Lab of New Animal Drug Project of Gansu Province, Key Lab of Veterinary Pharmaceutical Development of Ministry of Agriculture and Rural Affairs, Lanzhou Institute of Husbandry and Pharmaceutical Science of Chinese Academy of Agricultural Sciences, Lanzhou, China
| | - Junjie Hu
- College of Veterinary Medicine, Gansu Agricultural University, Lanzhou, China
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Turkyilmaz IB, Us H, Sezen Us A, Karabulut-Bulan O, Yanardag R. Protective effect of melatonin and carnosine against radiation induced kidney injury. J Radioanal Nucl Chem 2022. [DOI: 10.1007/s10967-022-08419-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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10
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Tobeiha M, Jafari A, Fadaei S, Mirazimi SMA, Dashti F, Amiri A, Khan H, Asemi Z, Reiter RJ, Hamblin MR, Mirzaei H. Evidence for the Benefits of Melatonin in Cardiovascular Disease. Front Cardiovasc Med 2022; 9:888319. [PMID: 35795371 PMCID: PMC9251346 DOI: 10.3389/fcvm.2022.888319] [Citation(s) in RCA: 27] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2022] [Accepted: 05/10/2022] [Indexed: 12/13/2022] Open
Abstract
The pineal gland is a neuroendocrine gland which produces melatonin, a neuroendocrine hormone with critical physiological roles in the circadian rhythm and sleep-wake cycle. Melatonin has been shown to possess anti-oxidant activity and neuroprotective properties. Numerous studies have shown that melatonin has significant functions in cardiovascular disease, and may have anti-aging properties. The ability of melatonin to decrease primary hypertension needs to be more extensively evaluated. Melatonin has shown significant benefits in reducing cardiac pathology, and preventing the death of cardiac muscle in response to ischemia-reperfusion in rodent species. Moreover, melatonin may also prevent the hypertrophy of the heart muscle under some circumstances, which in turn would lessen the development of heart failure. Several currently used conventional drugs show cardiotoxicity as an adverse effect. Recent rodent studies have shown that melatonin acts as an anti-oxidant and is effective in suppressing heart damage mediated by pharmacologic drugs. Therefore, melatonin has been shown to have cardioprotective activity in multiple animal and human studies. Herein, we summarize the most established benefits of melatonin in the cardiovascular system with a focus on the molecular mechanisms of action.
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Affiliation(s)
- Mohammad Tobeiha
- School of Medicine, Kashan University of Medical Sciences, Kashan, Iran
- Student Research Committee, Kashan University of Medical Sciences, Kashan, Iran
| | - Ameneh Jafari
- Advanced Therapy Medicinal Product (ATMP) Department, Breast Cancer Research Center, Motamed Cancer Institute, ACECR, Tehran, Iran
- Proteomics Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Sara Fadaei
- Department of Internal Medicine and Endocrinology, Beheshti University of Medical Sciences, Tehran, Iran
| | - Seyed Mohammad Ali Mirazimi
- School of Medicine, Kashan University of Medical Sciences, Kashan, Iran
- Student Research Committee, Kashan University of Medical Sciences, Kashan, Iran
| | - Fatemeh Dashti
- School of Medicine, Kashan University of Medical Sciences, Kashan, Iran
- Student Research Committee, Kashan University of Medical Sciences, Kashan, Iran
| | - Atefeh Amiri
- Department of Medical Biotechnology, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Haroon Khan
- Department of Pharmacy, Abdul Wali Khan University, Mardan, Pakistan
| | - Zatollah Asemi
- Research Center for Biochemistry and Nutrition in Metabolic Diseases, Institute for Basic Sciences, Kashan University of Medical Sciences, Kashan, Iran
| | - Russel J. Reiter
- Department of Cell Systems and Anatomy, UT Health. Long School of Medicine, San Antonio, TX, United States
| | - Michael R. Hamblin
- Laser Research Centre, Faculty of Health Science, University of Johannesburg, Johannesburg, South Africa
| | - Hamed Mirzaei
- Research Center for Biochemistry and Nutrition in Metabolic Diseases, Institute for Basic Sciences, Kashan University of Medical Sciences, Kashan, Iran
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Camp OG, Bai D, Awonuga A, Goud P, Abu-Soud HM. Hypochlorous acid facilitates inducible nitric oxide synthase subunit dissociation: The link between heme destruction, disturbance of the zinc-tetrathiolate center, and the prevention by melatonin. Nitric Oxide 2022; 124:32-38. [PMID: 35513289 DOI: 10.1016/j.niox.2022.04.006] [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: 02/28/2022] [Revised: 04/20/2022] [Accepted: 04/29/2022] [Indexed: 11/25/2022]
Abstract
Inducible nitric oxide synthase (iNOS) is a zinc-containing hemoprotein composed of two identical subunits, each containing a reductase and an oxygenase domain. The reductase domain contains binding sites for NADPH, FAD, FMN, and tightly bound calmodulin and the oxygenase domain contains binding sites for heme, tetrahydrobiopterin (H4B), and l-arginine. The enzyme converts l-arginine into nitric oxide (NO) and citrulline in the presence of O2. It has previously been demonstrated that myeloperoxidase (MPO), which catalyzes formation of hypochlorous acid (HOCl) from hydrogen peroxide (H2O2) and chloride (Cl-), is enhanced in inflammatory diseases and could be a potent scavenger of NO. Using absorbance spectroscopy and gel filtration chromatography, we investigated the role of increasing concentrations of HOCl in mediating iNOS heme destruction and subsequent subunit dissociation and unfolding. The results showed that dimer iNOS dissociation between 15 and 100 μM HOCl was accompanied by loss of heme content and NO synthesis activity. The dissociated subunits-maintained cytochrome c and ferricyanide reductase activities. There was partial unfolding of the subunits at 300 μM HOCl and above, and the subunit unfolding transition was accompanied by loss of reductase activities. These events can be prevented when the enzyme is preincubated with melatonin prior to HOCl addition. Melatonin supplementation to patients experiencing low NO levels due to inflammatory diseases may be helpful to restore physiological NO functions.
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Affiliation(s)
- Olivia G Camp
- Departments of Obstetrics and Gynecology and Biochemistry and Molecular Biology, The C.S. Mott Center for Human Growth and Development, Wayne State University School of Medicine, Detroit, MI, 48201, USA; Department of Physiology, Wayne State University School of Medicine, Detroit, MI, 48201, USA
| | - David Bai
- Departments of Obstetrics and Gynecology and Biochemistry and Molecular Biology, The C.S. Mott Center for Human Growth and Development, Wayne State University School of Medicine, Detroit, MI, 48201, USA
| | - Awoniyi Awonuga
- Departments of Obstetrics and Gynecology and Biochemistry and Molecular Biology, The C.S. Mott Center for Human Growth and Development, Wayne State University School of Medicine, Detroit, MI, 48201, USA
| | - Pravin Goud
- Division of Reproductive Endocrinology and Infertility & California IVF Fertility Center, Department of Obstetrics and Gynecology, University of California Davis, Sacramento, CA, 95833, USA; California Northstate University Medical College, Elk Grove, CA, 95757, USA
| | - Husam M Abu-Soud
- Departments of Obstetrics and Gynecology and Biochemistry and Molecular Biology, The C.S. Mott Center for Human Growth and Development, Wayne State University School of Medicine, Detroit, MI, 48201, USA; Department of Physiology, Wayne State University School of Medicine, Detroit, MI, 48201, USA; Department of Microbiology, Immunology and Biochemistry, Wayne State University School of Medicine, Detroit, MI, 48201, USA.
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Tchekalarova J, Nenchovska Z, Kortenska L, Uzunova V, Georgieva I, Tzoneva R. Impact of Melatonin Deficit on Emotional Status and Oxidative Stress-Induced Changes in Sphingomyelin and Cholesterol Level in Young Adult, Mature, and Aged Rats. Int J Mol Sci 2022; 23:ijms23052809. [PMID: 35269951 PMCID: PMC8911298 DOI: 10.3390/ijms23052809] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2022] [Revised: 03/01/2022] [Accepted: 03/03/2022] [Indexed: 11/25/2022] Open
Abstract
The pineal gland regulates the aging process via the hormone melatonin. The present report aims to evaluate the effect of pinealectomy (pin) on behavioral and oxidative stress-induced alterations in cholesterol and sphingomyelin (SM) levels in young adult, mature and aging rats. Sham and pin rats aged 3, 14 and 18 months were tested in behavioral tests for motor activity, anxiety, and depression. The ELISA test explored oxidative stress parameters and SM in the hippocampus, while total cholesterol was measured in serum via a commercial autoanalyzer. Mature and aged sham rats showed low motor activity and increased anxiety compared to the youngest rats. Pinealectomy affected emotional responses, induced depressive-like behavior, and elevated cholesterol levels in the youngest rats. However, removal of the pineal gland enhanced oxidative stress by diminishing antioxidant capacity and increasing the MDA level, and decreased SM level in the hippocampus of 14-month-old rats. Our findings suggest that young adult rats are vulnerable to emotional disturbance and changes in cholesterol levels resulting from melatonin deficiency. In contrast, mature rats with pinealectomy are exposed to an oxidative stress-induced decrease in SM levels in the hippocampus.
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Affiliation(s)
- Jana Tchekalarova
- Institute of Neurobiology, Bulgarian Academy of Sciences, Acad. G. Bonchev Street, Block 23, 1113 Sofia, Bulgaria; (Z.N.); (L.K.)
- Correspondence:
| | - Zlatina Nenchovska
- Institute of Neurobiology, Bulgarian Academy of Sciences, Acad. G. Bonchev Street, Block 23, 1113 Sofia, Bulgaria; (Z.N.); (L.K.)
| | - Lidia Kortenska
- Institute of Neurobiology, Bulgarian Academy of Sciences, Acad. G. Bonchev Street, Block 23, 1113 Sofia, Bulgaria; (Z.N.); (L.K.)
| | - Veselina Uzunova
- Institute of Biophysics and Biomedical Engineering, Bulgarian Academy of Sciences, Acad. G. Bonchev Street, Block 21, 1113 Sofia, Bulgaria; (V.U.); (I.G.); (R.T.)
| | - Irina Georgieva
- Institute of Biophysics and Biomedical Engineering, Bulgarian Academy of Sciences, Acad. G. Bonchev Street, Block 21, 1113 Sofia, Bulgaria; (V.U.); (I.G.); (R.T.)
| | - Rumiana Tzoneva
- Institute of Biophysics and Biomedical Engineering, Bulgarian Academy of Sciences, Acad. G. Bonchev Street, Block 21, 1113 Sofia, Bulgaria; (V.U.); (I.G.); (R.T.)
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13
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Ishihara R, Barros MPD, Silva CMD, Borges LDS, Hatanaka E, Lambertucci RH. Melatonin improves the antioxidant capacity in cardiac tissue of Wistar rats after exhaustive exercise. Free Radic Res 2021; 55:776-791. [PMID: 34100318 DOI: 10.1080/10715762.2021.1939024] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
We investigated the effects of melatonin on the onset and resolution of the oxidative stress in the cardiac muscle in melatonin-treated and nontreated rats subjected to an exhaustive exercise session. Forty male rats were divided into: melatonin-treated (20 mg/kg supplemented for 10 d) and control. On the 10th day, each group was subdivided according to euthanasia moments: control or melatonin-treated not exercised (C0h and M0h); immediately after the exercise (CIA and MIA); and 2 h after exercise (C2h and M2h). The heart of animals was removed and the levels of oxidative stress index (OSI) and the formation of thiobarbituric acid reactive substances (TBARS), protein carbonyl, and the activities of aconitase, catalase (CAT), glutathione peroxidase (GPx), and superoxide dismutase (SOD) were evaluated. Total antioxidant status (TAS), total oxidant status (TOS), and the protein expression of CAT, GPx, and SOD was also measured. Our data revealed significant differences on: (i) OSI (p=.029), CAT activity (p=.016), CAT content (p<.001), GPx content (p=.014), reduced glutathione levels (p<.001), and aconitase activity (p<.001) for interaction of melatonin; (ii) GPx activity (p=.005), reduced glutathione (p=.004), protein carbonyl (p=.035), and TBARS levels (p=.028) between groups, and (iii) TBARS levels (p=.016) for significance between moments. Although the exhaustive exercise protocol imposed mild oxidative stress on the cardiac tissue of rats, melatonin induced antioxidant responses that rebalanced the redox status of the cardiac tissue, especially after exhaustive exercise.
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Affiliation(s)
- Rafael Ishihara
- Department of Biosciences, Federal University of Sao Paulo, Santos, Brazil
| | - Marcelo Paes de Barros
- Institute of Physical Activity Sciences and Sports (ICAFE), Cruzeiro do Sul University, São Paulo, Brazil
| | | | - Leandro da Silva Borges
- Institute of Physical Activity Sciences and Sports (ICAFE), Cruzeiro do Sul University, São Paulo, Brazil
| | - Elaine Hatanaka
- Institute of Physical Activity Sciences and Sports (ICAFE), Cruzeiro do Sul University, São Paulo, Brazil
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Kumari R, Verma V, Kronfeld-Schor N, Singaravel M. Differential response of diurnal and nocturnal mammals to prolonged altered light-dark cycle: a possible role of mood associated endocrine, inflammatory and antioxidant system. Chronobiol Int 2021; 38:1618-1630. [PMID: 34128442 DOI: 10.1080/07420528.2021.1937200] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Abstract
The circadian system maintains internal 24 h oscillation of behavior and physiology, and its misalignment with external light-dark (LD) cycle results in negative health outcomes. In order to elucidate the effect of prolonged constant condition and the differences in the response between nocturnal and diurnal species, we studied the effects of constant light (LL) and constant darkness (DD) on a diurnal (squirrel) and a nocturnal (mouse) rodent species, focusing on the endocrine, inflammatory and antioxidant systems associated with depression-like behavior. Squirrels and mice (n = 10/group) were placed in chronocubicle under 12:12 h LD cycle, LL and DD. After 4 weeks, animals were subjected to sucrose preference test and blood and brain tissues were collected for measuring melatonin, corticosterone, proinflammatory cytokine, tumor necrosis factor-α (TNF-α) and the activity of primary antioxidant enzymes, catalase (CAT) and superoxide dismutase (SOD). The results show that in diurnal squirrels, prolonged constant darkness reduced sucrose preference, CAT, and SOD, increased corticosterone and TNF-α levels, but caused no significant change in the melatonin compared to LD condition. In contrast, in nocturnal mice constant darkness caused no significant changes in sucrose preference and corticosterone levels, increased melatonin, CAT and SOD levels but decreased TNF-α levels. Chronic LL caused a similar response in both squirrels and mice: it decreased sucrose preference, melatonin, CAT and SOD levels but increased corticosterone and TNF-α levels. Together, the study demonstrates differential effects of altered light-dark cycle in a diurnal and a nocturnal rodent on interrelated endocrine, inflammatory and antioxidant systems associated with depression-like behavior, with constant light having adverse effects on both species but constant darkness having a negative effect mainly in the diurnal squirrels.
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Affiliation(s)
- Ruchika Kumari
- Chronobiology Laboratory, Department of Zoology, Institute of Science, Banaras Hindu University, Varanasi, Uttar Pradesh, India
| | - Vivek Verma
- Chronobiology Laboratory, Department of Zoology, Institute of Science, Banaras Hindu University, Varanasi, Uttar Pradesh, India
| | - Noga Kronfeld-Schor
- Ecological and Evolutionary Physiology Laboratory, School of Zoology and Sagol School of Neuroscience, Faculty of Life Sciences, Tel Aviv University, Tel-Aviv, Israel
| | - Muniyandi Singaravel
- Chronobiology Laboratory, Department of Zoology, Institute of Science, Banaras Hindu University, Varanasi, Uttar Pradesh, India
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Fathi M, Salama A, El-Shahat KH, El-Sherbiny HR, Abdelnaby EA. Effect of melatonin supplementation during IVM of dromedary camel oocytes (Camelus dromedarius) on their maturation, fertilization, and developmental rates in vitro. Theriogenology 2021; 172:187-192. [PMID: 34218101 DOI: 10.1016/j.theriogenology.2021.05.021] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2020] [Revised: 05/17/2021] [Accepted: 05/17/2021] [Indexed: 01/01/2023]
Abstract
The positive impact of melatonin on in vitro embryo production (IVEP) has been reported in many domestic species; however, no studies have been carried out in camelids. We aimed to evaluate the effects of melatonin supplementation in maturation media on in vitro maturation, fertilization, and preimplantation embryo development of dromedary camel oocytes (experiment 1). We also evaluated the concentrations of total antioxidant capacity (TAC), and malondialdehyde (MDA) in the IVM spent medium in relation to melatonin supplementation. Cumulus oocyte complexes (COCs) were cultured in in vitro maturation media (IVM) supplemented with either 0.0, 25.0, 50.0 or 75.0 μM of melatonin for 30 h. Matured oocytes were then fertilized in vitro with epididymal camel spermatozoa. Following IVF, the resulting embryos were cultured in vitro for seven days. The percentage of maturation, fertilization, cleavage, and embryo developmental rates (morula and blastocyst) was recorded (experiment 1). TAC and MDA levels in the IVM spent maturation media were also evaluated at 30 h post-IVM (experiment 2). The results showed that supplementation of IVM media with 25 μM melatonin significantly improved oocyte nuclear maturation, fertilization (18 h post-insemination; pi), cleavage (day 3 pi), morula (day 5 pi) and blastocyst (day 7 pi) rates as compared with the controls and other melatonin-supplemented groups. Furthermore, the TAC in the IVM spent media was significantly increased (P < 0.05) in 25 μM melatonin supplemented groups than those supplemented with 0.0, 50.0, 75.0 μM melatonin. However, the concentration of MDA was significantly lower (P < 0.05) in IVM media supplemented with 25.0 μM of melatonin when compared with the control and other treatment groups. In conclusion, supplementation of IVM medium with 25 μM of melatonin could enhance the in vitro developmental capacity of dromedary camel oocytes.
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Affiliation(s)
- Mohamed Fathi
- Department of Theriogenology, Faculty of Veterinary Medicine, Cairo University, Giza, Egypt
| | - Ali Salama
- Department of Theriogenology, Faculty of Veterinary Medicine, Cairo University, Giza, Egypt
| | - K H El-Shahat
- Department of Theriogenology, Faculty of Veterinary Medicine, Cairo University, Giza, Egypt.
| | - H R El-Sherbiny
- Department of Theriogenology, Faculty of Veterinary Medicine, Cairo University, Giza, Egypt
| | - Elshymaa A Abdelnaby
- Department of Theriogenology, Faculty of Veterinary Medicine, Cairo University, Giza, Egypt
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Chang HM, Lin HC, Cheng HL, Liao CK, Tseng TJ, Renn TY, Lan CT, Chen LY. Melatonin Successfully Rescues the Hippocampal Molecular Machinery and Enhances Anti-oxidative Activity Following Early-Life Sleep Deprivation Injury. Antioxidants (Basel) 2021; 10:antiox10050774. [PMID: 34068192 PMCID: PMC8153000 DOI: 10.3390/antiox10050774] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2021] [Revised: 05/07/2021] [Accepted: 05/10/2021] [Indexed: 01/01/2023] Open
Abstract
Early-life sleep deprivation (ESD) is a serious condition with severe cognitive sequelae. Considering hippocampus plays an essential role in cognitive regulation, the present study aims to determine whether melatonin, a neuroendocrine beard with significant anti-oxidative activity, would greatly depress the hippocampal oxidative stress, improves the molecular machinery, and consequently exerts the neuro-protective effects following ESD. Male weanling Wistar rats (postnatal day 21) were subjected to ESD for three weeks. During this period, the animals were administered normal saline or melatonin (10 mg/kg) via intraperitoneal injection between 09:00 and 09:30 daily. After three cycles of ESD, the animals were kept under normal sleep/wake cycle until they reached adulthood and were sacrificed. The results indicated that ESD causes long-term effects, such as impairment of ionic distribution, interruption of the expressions of neurotransmitters and receptors, decreases in the levels of several antioxidant enzymes, and impairment of several signaling pathways, which contribute to neuronal death in hippocampal regions. Melatonin administration during ESD prevented these effects. Quantitative evaluation of cells also revealed a higher number of neurons in the melatonin-treated animals when compared with the saline-treated animals. As the hippocampus is critical to cognitive activity, preserving or even improving the hippocampal molecular machinery by melatonin during ESD not only helps us to better understand the underlying mechanisms of ESD-induced neuronal dysfunction, but also the therapeutic use of melatonin to counteract ESD-induced neuronal deficiency.
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Affiliation(s)
- Hung-Ming Chang
- Department of Anatomy and Cell Biology, School of Medicine, College of Medicine, Taipei Medical University, Taipei 11031, Taiwan; (H.-M.C.); (T.-Y.R.)
| | - Hsing-Chun Lin
- Department of Nutrition, Chung Shan Medical University, Taichung 40201, Taiwan; (H.-C.L.); (H.-L.C.)
- Department of Nutrition, Chung Shan Medical University Hospital, Taichung 40201, Taiwan
| | - Hsin-Lin Cheng
- Department of Nutrition, Chung Shan Medical University, Taichung 40201, Taiwan; (H.-C.L.); (H.-L.C.)
| | - Chih-Kai Liao
- Department of Anatomy, School of Medicine, College of Medicine, Chung Shan Medical University, Taichung 40201, Taiwan; (C.-K.L.); (T.-J.T.); (C.-T.L.)
| | - To-Jung Tseng
- Department of Anatomy, School of Medicine, College of Medicine, Chung Shan Medical University, Taichung 40201, Taiwan; (C.-K.L.); (T.-J.T.); (C.-T.L.)
| | - Ting-Yi Renn
- Department of Anatomy and Cell Biology, School of Medicine, College of Medicine, Taipei Medical University, Taipei 11031, Taiwan; (H.-M.C.); (T.-Y.R.)
| | - Chyn-Tair Lan
- Department of Anatomy, School of Medicine, College of Medicine, Chung Shan Medical University, Taichung 40201, Taiwan; (C.-K.L.); (T.-J.T.); (C.-T.L.)
| | - Li-You Chen
- Department of Anatomy, School of Medicine, College of Medicine, Chung Shan Medical University, Taichung 40201, Taiwan; (C.-K.L.); (T.-J.T.); (C.-T.L.)
- Department of Medical Education, Chung Shan Medical University Hospital, Taichung 40201, Taiwan
- Correspondence: ; Tel.: +886-4-2473-0022 (ext. 11602)
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Sassetti E, Clausen MH, Laraia L. Small-Molecule Inhibitors of Reactive Oxygen Species Production. J Med Chem 2021; 64:5252-5275. [PMID: 33856791 DOI: 10.1021/acs.jmedchem.0c01914] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Reactive oxygen species (ROS) are involved in physiological cellular processes including differentiation, proliferation, and apoptosis by acting as signaling molecules or regulators of transcription factors. The maintenance of appropriate cellular ROS levels is termed redox homeostasis, a balance between their production and neutralization. High concentrations of ROS may contribute to severe pathological events including cancer, neurodegenerative, and cardiovascular diseases. In recent years, approaches to target the sources of ROS production directly in order to develop tool compounds or potential therapeutics have been explored. Herein, we briefly outline the major sources of cellular ROS production and comprehensively review the targeting of these by small-molecule inhibitors. We critically assess the value of ROS inhibitors with different mechanisms-of-action, including their potency, mode-of-action, known off-target effects, and clinical or preclinical status, while suggesting future avenues of research in the field.
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Affiliation(s)
- Elisa Sassetti
- Center for Nanomedicine and Theranostics, Department of Chemistry, Technical University of Denmark, Kemitorvet 207, 2800 Kgs. Lyngby, Denmark
| | - Mads H Clausen
- Center for Nanomedicine and Theranostics, Department of Chemistry, Technical University of Denmark, Kemitorvet 207, 2800 Kgs. Lyngby, Denmark
| | - Luca Laraia
- Center for Nanomedicine and Theranostics, Department of Chemistry, Technical University of Denmark, Kemitorvet 207, 2800 Kgs. Lyngby, Denmark
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Aras S, Efendioğlu M, Wulamujiang A, Ozkanli SS, Keleş MS, Tanzer İO. Radioprotective effect of melatonin against radiotherapy-induced cerebral cortex and cerebellum damage in rat. Int J Radiat Biol 2021; 97:348-355. [PMID: 33320758 DOI: 10.1080/09553002.2021.1864047] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
PURPOSE The present study aims to investigate the radioprotective effect of melatonin (MEL) against early period brain damage caused by different dose rate beams in the experimental rat model. MATERIALS AND METHODS Forty-eight Sprague Dawley rats were randomly divided into six groups; the control, only melatonin, low dose rate-radiotherapy (LDR-RT), high dose rate-radiotherapy (HDR-RT) groups and (LDR-RT) + MEL and (HDR-RT) + MEL radiotherapy plus melatonin groups. Each rat administered melatonin was given a dose of 10 mg/kg through intraperitoneal injection, 15 minutes before radiation exposure. The head and neck region of each rat in only radiotherapy and radiotherapy plus melatonin groups was irradiated with a single dose of 16 Gy in LDR-RT and HDR-RT beams. Rats in all groups were examined for histopathology and biochemistry analysis 10 days after radiotherapy. RESULTS Comparing the findings for LDR-RT and HDR-RT only radiotherapy groups and the control group, there was a statistically significant difference in histopathological and biochemical parameters, however, melatonin administered in radiotherapy plus melatonin groups contributed improving these parameters (p < .05). There was no statistically significant difference between LDR-RT and HDR-RT beams (p > .05). CONCLUSIONS It was concluded that melatonin applied before LDR-RT and HDR-RT radiotherapy protected early period radiotherapy-induced brain damage. The effects of clinically low and high dose beams on the cerebral cortex and cerebellum were investigated histopathologically for the first time. HDR beams can be safely applied in brain radiotherapy. However, more experimental rat and clinical studies are needed to explain the radiobiological uncertainties about the clinic dose rate on different cancerous and healthy tissues.
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Affiliation(s)
- Serhat Aras
- Medical Imaging Techniques Programme, University of Health Sciences Turkey, Istanbul, Turkey
| | - Mustafa Efendioğlu
- Department of Neurosurgery, Haydarpaşa Numune Training and Research Hospital, University of Health Sciences Turkey, Istanbul, Turkey
| | - Aini Wulamujiang
- Medical Imaging Techniques Programme, University of Health Sciences Turkey, Istanbul, Turkey
| | - Sidika Seyma Ozkanli
- Department of Pathology, Göztepe Training and Research Hospital, Medeniyet University, Istanbul, Turkey
| | - Mevlüt Sait Keleş
- Department of Medical Biochemistry, Faculty of Medicine, Ataturk University, Erzurum, Turkey
| | - İhsan Oğuz Tanzer
- Biomedical Technology Programme, University of Health Sciences Turkey, Istanbul, Turkey
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Rodríguez-García A, García-Vicente R, Morales ML, Ortiz-Ruiz A, Martínez-López J, Linares M. Protein Carbonylation and Lipid Peroxidation in Hematological Malignancies. Antioxidants (Basel) 2020; 9:E1212. [PMID: 33271863 PMCID: PMC7761105 DOI: 10.3390/antiox9121212] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2020] [Revised: 11/20/2020] [Accepted: 11/28/2020] [Indexed: 02/07/2023] Open
Abstract
Among the different mechanisms involved in oxidative stress, protein carbonylation and lipid peroxidation are both important modifications associated with the pathogenesis of several diseases, including cancer. Hematopoietic cells are particularly vulnerable to oxidative damage, as the excessive production of reactive oxygen species and associated lipid peroxidation suppress self-renewal and induce DNA damage and genomic instability, which can trigger malignancy. A richer understanding of the clinical effects of oxidative stress might improve the prognosis of these diseases and inform therapeutic strategies. The most common protein carbonylation and lipid peroxidation compounds, including hydroxynonenal, malondialdehyde, and advanced oxidation protein products, have been investigated for their potential effect on hematopoietic cells in several studies. In this review, we focus on the most important protein carbonylation and lipid peroxidation biomarkers in hematological malignancies, their role in disease development, and potential treatment implications.
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Affiliation(s)
- Alba Rodríguez-García
- Department of Translational Hematology, Instituto de Investigación Hospital 12 de Octubre (i+12), Hematological Malignancies Clinical Research Unit H120-CNIO, CIBERONC, ES 28041 Madrid, Spain; (A.R.-G.); (R.G.-V.); (M.L.M.); (A.O.-R.); (J.M.-L.)
| | - Roberto García-Vicente
- Department of Translational Hematology, Instituto de Investigación Hospital 12 de Octubre (i+12), Hematological Malignancies Clinical Research Unit H120-CNIO, CIBERONC, ES 28041 Madrid, Spain; (A.R.-G.); (R.G.-V.); (M.L.M.); (A.O.-R.); (J.M.-L.)
| | - María Luz Morales
- Department of Translational Hematology, Instituto de Investigación Hospital 12 de Octubre (i+12), Hematological Malignancies Clinical Research Unit H120-CNIO, CIBERONC, ES 28041 Madrid, Spain; (A.R.-G.); (R.G.-V.); (M.L.M.); (A.O.-R.); (J.M.-L.)
| | - Alejandra Ortiz-Ruiz
- Department of Translational Hematology, Instituto de Investigación Hospital 12 de Octubre (i+12), Hematological Malignancies Clinical Research Unit H120-CNIO, CIBERONC, ES 28041 Madrid, Spain; (A.R.-G.); (R.G.-V.); (M.L.M.); (A.O.-R.); (J.M.-L.)
| | - Joaquín Martínez-López
- Department of Translational Hematology, Instituto de Investigación Hospital 12 de Octubre (i+12), Hematological Malignancies Clinical Research Unit H120-CNIO, CIBERONC, ES 28041 Madrid, Spain; (A.R.-G.); (R.G.-V.); (M.L.M.); (A.O.-R.); (J.M.-L.)
- Department of Medicine, Medicine School, Universidad Complutense de Madrid, ES 28040 Madrid, Spain
| | - María Linares
- Department of Translational Hematology, Instituto de Investigación Hospital 12 de Octubre (i+12), Hematological Malignancies Clinical Research Unit H120-CNIO, CIBERONC, ES 28041 Madrid, Spain; (A.R.-G.); (R.G.-V.); (M.L.M.); (A.O.-R.); (J.M.-L.)
- Department of Biochemistry and Molecular Biology, Pharmacy School, Universidad Complutense de Madrid, ES 28040 Madrid, Spain
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Melatonin levels and microRNA (miRNA) relative expression profile in the follicular ambient microenvironment in patients undergoing in vitro fertilization process. J Assist Reprod Genet 2020; 38:443-459. [PMID: 33226531 DOI: 10.1007/s10815-020-02010-2] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2020] [Accepted: 11/09/2020] [Indexed: 02/08/2023] Open
Abstract
PURPOSE Intrafollicular fluid (IFF) melatonin plays a decisive role in maintaining granulosa cells' DNA integrity and protects them against apoptosis. It reduces oxidative stress and improves the oocyte quality with a higher fertilization rate. METHOD This prospective study investigated the antioxidant property of IFF melatonin and its impact on IVF outcome parameters. We also explored the relative expression of five microRNAs (miR-663b, miR-320a, miR-766-3p, miR-132-3p, miR-16-5p) and levels of cell-free DNA (cfDNA) by real-time PCR in unexplained infertile patients. We collected 425 follicular fluid (FF) samples containing mature oocytes from 295 patients undergoing IVF. RESULTS Patients were subgrouped based on IFF melatonin concentration (group A ≤ 30 pg/mL, group B > 70 to ≤ 110 pg/mL, group C > 111 to ≤ 385 pg/mL). Our results showed that patients with ≤ 30 pg/mL IFF melatonin levels have significantly higher oxidative stress markers, cfDNA levels, and lower relative expression of miR-663b, miR-320a, miR-766-3p, miR-132-3p, and miR-16-5p compared to other subgroups (p < 0.001). Similarly, they have a low fertilization rate and a reduced number of high-quality day 3 embryos. CONCLUSION Findings suggest that the therapeutic use of melatonin produces a considerable rise in the number of mature oocytes retrieved, fertilization rate, and good-quality embryo selection. Furthermore, miRNA signature enhances the quality of embryo selection, thus, may allow us to classify them as non-invasive biomarkers to identify good-quality embryos.
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Santillo A, Chieffi Baccari G, Minucci S, Falvo S, Venditti M, Di Matteo L. The Harderian gland: Endocrine function and hormonal control. Gen Comp Endocrinol 2020; 297:113548. [PMID: 32679156 DOI: 10.1016/j.ygcen.2020.113548] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/20/2020] [Revised: 06/30/2020] [Accepted: 07/09/2020] [Indexed: 01/17/2023]
Abstract
The Harderian gland (HG) is an exocrine gland located within the eye socket in a variety of tetrapods. During the 1980s and 1990s the HG elicited great interest in the scientific community due to its morphological and functional complexity, and from a phylogenetic point of view. A comparative approach has contributed to a better understanding of its physiology. Whereas the chemical nature of its secretions (mucous, serous or lipids) varies between different groups of tetrapods, the lipids represent the more common component among different species. Indeed, besides being an accessory to lubricate the nictitating membrane, the lipids may have a pheromonal function. Porphyrins and melatonin secretion is a feature of the rodent HG. The porphyrins, being phototransducers, could modulate HG melatonin production. The melatonin synthesis suggests an involvement of the HG in the retinal-pineal axis. Finally, StAR protein and steroidogenic enzyme activities in the rat HG suggests that the gland contributes to steroid hormone synthesis. Over the past twenty years, much has become known on the hamster (Mesocricetus auratus) HG, unique among rodents in displaying a remarkable sexual dimorphism concerning the contents of porphyrins and melatonin. Mainly for this reason, the hamster HG has been used as a model to compare, under normal conditions, the physiological oxidative stress between females (strong) and males (moderate). Androgens are responsible for the sexual dimorphism in hamster and they are known to control the HG secretory activity in different species. Furthermore, HG is a target of pituitary, pineal and thyroid hormones. This review offers a comparative panorama of the endocrine activity of the HG as well as the hormonal control of its secretory activity, with a particular emphasis on the sex dimorphic aspects of the hamster HG.
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Affiliation(s)
- Alessandra Santillo
- Dipartimento di Scienze e Tecnologie Ambientali, Biologiche e Farmaceutiche, Università degli Studi della Campania 'Luigi Vanvitelli', Via Vivaldi, 43-81100 Caserta, Italy.
| | - Gabriella Chieffi Baccari
- Dipartimento di Scienze e Tecnologie Ambientali, Biologiche e Farmaceutiche, Università degli Studi della Campania 'Luigi Vanvitelli', Via Vivaldi, 43-81100 Caserta, Italy
| | - Sergio Minucci
- Dipartimento di Medicina Sperimentale, Sez. Fisiologia Umana e Funzioni Biologiche Integrate, Università degli Studi della Campania 'Luigi Vanvitelli', via Santa Maria di Costantinopoli, 16-80138 Napoli, Italy
| | - Sara Falvo
- Dipartimento di Scienze e Tecnologie Ambientali, Biologiche e Farmaceutiche, Università degli Studi della Campania 'Luigi Vanvitelli', Via Vivaldi, 43-81100 Caserta, Italy
| | - Massimo Venditti
- Dipartimento di Medicina Sperimentale, Sez. Fisiologia Umana e Funzioni Biologiche Integrate, Università degli Studi della Campania 'Luigi Vanvitelli', via Santa Maria di Costantinopoli, 16-80138 Napoli, Italy
| | - Loredana Di Matteo
- Dipartimento di Medicina Sperimentale, Sez. Fisiologia Umana e Funzioni Biologiche Integrate, Università degli Studi della Campania 'Luigi Vanvitelli', via Santa Maria di Costantinopoli, 16-80138 Napoli, Italy
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Time-dependent melatonin secretion is associated with mitochondrial function in peripheral blood mononuclear cells (PBMC) of male volunteers. Mitochondrion 2020; 53:21-29. [PMID: 32304866 DOI: 10.1016/j.mito.2020.04.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2019] [Revised: 03/31/2020] [Accepted: 04/07/2020] [Indexed: 11/22/2022]
Abstract
Melatonin blood levels vary depending on the circadian rhythm. It also stimulates antioxidant enzymes and has positive effects on mitochondrial function. The current study investigated the effects of endogenously released melatonin on adenosine triphosphate (ATP) levels and mitochondrial respiration in peripheral blood mononuclear cells (PBMC). The current study included 20 healthy adults (mean age 25,7 ± 3.4 years). Blood was collected at 8 a.m. and 2 p.m. The activity of mitochondrial respiratory complexes and ATP levels were determined in isolated PBMC. Melatonin concentrations were determined in serum samples. Sleep behavior was assessed. In PBMCs isolated from blood samples of males, respiration of mitochondrial complex IV and ATP levels as well as serum melatonin concentration were significantly lower at 2 a.m. compared to the samples collected at 8 p.m. Mitochondrial parameters and melatonin blood levels were equal at both time points in the samples isolated from females. Although our results show that the amount of melatonin secreted may have had an influence, further investigation is needed to determine the importance of melatonin and other factors in measuring the mitochondrial function of PBMC.
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Gao X, Huang C, Geng T, Chen X, Wang J, Liu J, Duan K, Cao L, Wang Z, Xiao W. Serum and urine metabolomics based on UPLC-Q-TOF/MS reveals the antipyretic mechanism of Reduning injection in a rat model. JOURNAL OF ETHNOPHARMACOLOGY 2020; 250:112429. [PMID: 31812644 DOI: 10.1016/j.jep.2019.112429] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/18/2019] [Revised: 11/21/2019] [Accepted: 11/25/2019] [Indexed: 05/22/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Reduning injection (RDN), a patented traditional Chinese medicine, has the obvious antipyretic effect and has been widely used in China. Although some previous studies proved its antipyretic effect by animal efficacy experiment or clinical observation, its holistic mechanism in vivo was still unclear. AIM OF THE STUDY To comprehensively elucidate the antipyretic mechanism of RDN, the investigation of fever-related potential biomarkers and metabolic pathways in the rat fever model is described in this paper. MATERIALS AND METHODS Rat fever model was established by dry yeast. A large number of endogenous metabolites in serum and urine were detected by UPLC-Q-TOF/MS, and fever-related potential biomarkers were screened and identified by multivariate analysis and metabolite databases. The reliability and biological significance of the largely disturbed biomarkers was verified by the metabolic network and the correlation with pharmacodynamic indicators, which contained IL-1β, IL-6, TNF-α, PGE2 and cAMP. RESULTS The established UPLC-Q-TOF/MS analytical method afforded satisfactory results in terms of precision, repeatability and stability, which met the requirements of biological sample determination. A total of 32 potential biomarkers associated with fever were screened and identified, among which 22 species could be adjusted by RDN. The metabolism pathway analysis revealed that valine, leucine and isoleucine biosynthesis, and sphingolipid metabolism were greatly disturbed. Their biomarkers involved L-leucine, L-valine, sphinganine and phytosphingosine, all of which showed a callback trend after RDN was given. These 4 biomarkers had a certain correlation with some known fever-related small molecules and pharmacodynamic indicators, which indicated that the selected fever-related biomarkers had certain reliability and biological significance. CONCLUSIONS RDN has a good regulation of the metabolic disorder of endogenous components in dry yeast-induced fever rats. Its antipyretic mechanism is mainly related to the regulation of amino acid, lipid and energy metabolism. The study is useful to better understand and analyze the pharmacodynamic mechanism of complex systems, such as traditional Chinese medicine.
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Affiliation(s)
- Xia Gao
- Jiangsu Kanion Modern Chinese Medicine Institute, Nanjing, 210017, China; State Key Laboratory of Pharmaceutical New-Tech for Chinese Medicine, Jiangsu Kanion Pharmaceutical Co., Ltd., Lianyungang, 222001, China; National Enterprise Technology Center, National Post-doctoral Research Workstation, Jiangsu Enterprise Academician Workstation, Lianyungang, 222001, China
| | - Chaojie Huang
- Jiangsu Kanion Modern Chinese Medicine Institute, Nanjing, 210017, China; State Key Laboratory of Pharmaceutical New-Tech for Chinese Medicine, Jiangsu Kanion Pharmaceutical Co., Ltd., Lianyungang, 222001, China; National Enterprise Technology Center, National Post-doctoral Research Workstation, Jiangsu Enterprise Academician Workstation, Lianyungang, 222001, China; China Pharmaceutical University, Nanjing, 210009, China
| | - Ting Geng
- Jiangsu Kanion Modern Chinese Medicine Institute, Nanjing, 210017, China; State Key Laboratory of Pharmaceutical New-Tech for Chinese Medicine, Jiangsu Kanion Pharmaceutical Co., Ltd., Lianyungang, 222001, China; National Enterprise Technology Center, National Post-doctoral Research Workstation, Jiangsu Enterprise Academician Workstation, Lianyungang, 222001, China
| | - Xialin Chen
- Jiangsu Kanion Modern Chinese Medicine Institute, Nanjing, 210017, China; State Key Laboratory of Pharmaceutical New-Tech for Chinese Medicine, Jiangsu Kanion Pharmaceutical Co., Ltd., Lianyungang, 222001, China; National Enterprise Technology Center, National Post-doctoral Research Workstation, Jiangsu Enterprise Academician Workstation, Lianyungang, 222001, China
| | - Jiajia Wang
- Jiangsu Kanion Modern Chinese Medicine Institute, Nanjing, 210017, China; State Key Laboratory of Pharmaceutical New-Tech for Chinese Medicine, Jiangsu Kanion Pharmaceutical Co., Ltd., Lianyungang, 222001, China; National Enterprise Technology Center, National Post-doctoral Research Workstation, Jiangsu Enterprise Academician Workstation, Lianyungang, 222001, China
| | - Jingying Liu
- Jiangsu Kanion Modern Chinese Medicine Institute, Nanjing, 210017, China; State Key Laboratory of Pharmaceutical New-Tech for Chinese Medicine, Jiangsu Kanion Pharmaceutical Co., Ltd., Lianyungang, 222001, China; National Enterprise Technology Center, National Post-doctoral Research Workstation, Jiangsu Enterprise Academician Workstation, Lianyungang, 222001, China; China Pharmaceutical University, Nanjing, 210009, China
| | - Kun Duan
- Jiangsu Kanion Modern Chinese Medicine Institute, Nanjing, 210017, China; State Key Laboratory of Pharmaceutical New-Tech for Chinese Medicine, Jiangsu Kanion Pharmaceutical Co., Ltd., Lianyungang, 222001, China; National Enterprise Technology Center, National Post-doctoral Research Workstation, Jiangsu Enterprise Academician Workstation, Lianyungang, 222001, China; School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, 210023, China
| | - Liang Cao
- Jiangsu Kanion Modern Chinese Medicine Institute, Nanjing, 210017, China; State Key Laboratory of Pharmaceutical New-Tech for Chinese Medicine, Jiangsu Kanion Pharmaceutical Co., Ltd., Lianyungang, 222001, China; National Enterprise Technology Center, National Post-doctoral Research Workstation, Jiangsu Enterprise Academician Workstation, Lianyungang, 222001, China
| | - Zhenzhong Wang
- Jiangsu Kanion Modern Chinese Medicine Institute, Nanjing, 210017, China; State Key Laboratory of Pharmaceutical New-Tech for Chinese Medicine, Jiangsu Kanion Pharmaceutical Co., Ltd., Lianyungang, 222001, China; National Enterprise Technology Center, National Post-doctoral Research Workstation, Jiangsu Enterprise Academician Workstation, Lianyungang, 222001, China
| | - Wei Xiao
- Jiangsu Kanion Modern Chinese Medicine Institute, Nanjing, 210017, China; State Key Laboratory of Pharmaceutical New-Tech for Chinese Medicine, Jiangsu Kanion Pharmaceutical Co., Ltd., Lianyungang, 222001, China; National Enterprise Technology Center, National Post-doctoral Research Workstation, Jiangsu Enterprise Academician Workstation, Lianyungang, 222001, China.
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Effect of endurance training on diurnal rhythms of superoxide dismutase activity, glutathione and lipid peroxidation in plasma of pinealectomized rats. Neurosci Lett 2020; 716:134637. [DOI: 10.1016/j.neulet.2019.134637] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2019] [Revised: 11/04/2019] [Accepted: 11/18/2019] [Indexed: 11/18/2022]
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Sedova KA, Bernikova OG, Cuprova JI, Ivanova AD, Kutaeva GA, Pliss MG, Lopatina EV, Vaykshnorayte MA, Diez ER, Azarov JE. Association Between Antiarrhythmic, Electrophysiological, and Antioxidative Effects of Melatonin in Ischemia/Reperfusion. Int J Mol Sci 2019; 20:ijms20246331. [PMID: 31847485 PMCID: PMC6941092 DOI: 10.3390/ijms20246331] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2019] [Revised: 12/09/2019] [Accepted: 12/12/2019] [Indexed: 01/08/2023] Open
Abstract
Melatonin is assumed to confer cardioprotective action via antioxidative properties. We evaluated the association between ventricular tachycardia and/or ventricular fibrillation (VT/VF) incidence, oxidative stress, and myocardial electrophysiological parameters in experimental ischemia/reperfusion under melatonin treatment. Melatonin was given to 28 rats (10 mg/kg/day, orally, for 7 days) and 13 animals received placebo. In the anesthetized animals, coronary occlusion was induced for 5 min followed by reperfusion with recording of unipolar electrograms from ventricular epicardium with a 64-lead array. Effects of melatonin on transmembrane potentials were studied in ventricular preparations of 7 rats in normal and “ischemic” conditions. Melatonin treatment was associated with lower VT/VF incidence at reperfusion, shorter baseline activation times (ATs), and activation-repolarization intervals and more complete recovery of repolarization times (RTs) at reperfusion (less baseline-reperfusion difference, ΔRT) (p < 0.05). Superoxide dismutase (SOD) activity was higher in the treated animals and associated with ΔRT (p = 0.001), whereas VT/VF incidence was associated with baseline ATs (p = 0.020). In vitro, melatonin led to a more complete restoration of action potential durations and resting membrane potentials at reoxygenation (p < 0.05). Thus, the antioxidative properties of melatonin were associated with its influence on repolarization duration, whereas the melatonin-related antiarrhythmic effect was associated with its oxidative stress-independent action on ventricular activation.
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Affiliation(s)
- Ksenia A. Sedova
- Department of Biomedical Technology, Faculty of Biomedical Engineering, Czech Technical University in Prague, Sitna sq. 3105, 27201 Kladno, Czech Republic;
| | - Olesya G. Bernikova
- Institute of Physiology, Federal Research Centre, Komi Science Centre, Ural Branch of Russian Academy of Sciences, Pervomayskaya st. 50, 167982 Syktyvkar, Russia; (M.A.V.); (J.E.A.)
- Correspondence: ; Tel.: +79042716438
| | - Julia I. Cuprova
- Department of Health Care Disciplines and Population Protection, Faculty of Biomedical Engineering, Czech Technical University in Prague, Sportovcu st. 2311, 27201 Kladno, Czech Republic;
| | - Alexandra D. Ivanova
- Department of Human and Animal Physiology, Lomonosov Moscow State University, Leninskiye gory, 1, 12, 119234 Moscow, Russia;
| | - Galina A. Kutaeva
- Department of Physiology, Institute of Medicine of Pitirim Sorokin Syktyvkar State University, Starovskii st., 55, 167001 Syktyvkar, Russia;
| | - Michael G. Pliss
- Institute of Experimental Medicine, Almazov National Medical Research Centre, Akkuratov st., 2, 197341 St Petersburg, Russia;
| | - Ekaterina V. Lopatina
- Department of Normal Physiology, Pavlov First State Medical University of Saint Petersburg, Lev Tolstoy st., 6-8, 197022 St Petersburg, Russia;
| | - Marina A. Vaykshnorayte
- Institute of Physiology, Federal Research Centre, Komi Science Centre, Ural Branch of Russian Academy of Sciences, Pervomayskaya st. 50, 167982 Syktyvkar, Russia; (M.A.V.); (J.E.A.)
| | - Emiliano R. Diez
- Instituto de Medicina y Biología Experimental de Cuyo (IMBECU), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), CP 5500 Mendoza, Argentina;
- Instituto de Fisiología, Facultad de Ciencias Médicas, Universidad Nacional de Cuyo, Av. Libertador 80, Centro Universitario, CP 5500 Mendoza, Argentina
| | - Jan E. Azarov
- Institute of Physiology, Federal Research Centre, Komi Science Centre, Ural Branch of Russian Academy of Sciences, Pervomayskaya st. 50, 167982 Syktyvkar, Russia; (M.A.V.); (J.E.A.)
- Department of Physiology, Institute of Medicine of Pitirim Sorokin Syktyvkar State University, Starovskii st., 55, 167001 Syktyvkar, Russia;
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Yang L, Liu X, Song L, Su G, Di A, Bai C, Wei Z, Li G. Inhibiting repressive epigenetic modification promotes telomere rejuvenation in somatic cell reprogramming. FASEB J 2019; 33:13982-13997. [PMID: 31645134 DOI: 10.1096/fj.201901486rr] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
The efficiency of somatic cell nuclear transfer (SCNT) reprogramming is extremely low in terms of production of cloned animals. Here, we found that telomere rejuvenation is a critical event for SCNT reprogramming. Through small-molecule screening, we identified that melatonin significantly improved the in vitro and in vivo developmental competence of SCNT-derived embryos. Through use of embryonic biopsy, single-cell RNA sequencing, and quantitative FISH experiments, we revealed that melatonin not only attenuated the zygotic genome activation defect but also facilitated telomere elongation in the SCNT embryos. Further investigation indicated that melatonin inhibited heterochromatic epigenetic modification related to gene silencing including DNA methylation and histone H3 lysine 9 trimethylation. In addition, melatonin could increase the level of activation markers such as acetylated histone H3. This is the first study to characterize melatonin-treatment and telomere rejuvenation in SCNT-mediated reprogramming. Moreover, combinational use of melatonin-treated donor embryos and pseudopregnant recipients achieved synergistic enhancement of the production of cloned animals.-Yang, L., Liu, X., Song, L., Su, G., Di, A., Bai, C., Wei, Z., Li, G. Inhibiting repressive epigenetic modification promotes telomere rejuvenation in somatic cell reprogramming.
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Affiliation(s)
- Lei Yang
- State Key Laboratory of Reproductive Regulation and Breeding of Grassland Livestock (R2BGL), Inner Mongolia University, Hohhot, China
| | - Xuefei Liu
- State Key Laboratory of Reproductive Regulation and Breeding of Grassland Livestock (RBGL), Inner Mongolia University, Hohhot, China
| | - Lishuang Song
- State Key Laboratory of Reproductive Regulation and Breeding of Grassland Livestock (RBGL), Inner Mongolia University, Hohhot, China.,College of Life Sciences, Inner Mongolia University, Hohhot, China
| | - Guanghua Su
- State Key Laboratory of Reproductive Regulation and Breeding of Grassland Livestock (RBGL), Inner Mongolia University, Hohhot, China.,College of Life Sciences, Inner Mongolia University, Hohhot, China
| | - Anqi Di
- State Key Laboratory of Reproductive Regulation and Breeding of Grassland Livestock (RBGL), Inner Mongolia University, Hohhot, China.,College of Life Sciences, Inner Mongolia University, Hohhot, China
| | - Chunling Bai
- State Key Laboratory of Reproductive Regulation and Breeding of Grassland Livestock (RBGL), Inner Mongolia University, Hohhot, China.,College of Life Sciences, Inner Mongolia University, Hohhot, China
| | - Zhuying Wei
- State Key Laboratory of Reproductive Regulation and Breeding of Grassland Livestock (RBGL), Inner Mongolia University, Hohhot, China.,College of Life Sciences, Inner Mongolia University, Hohhot, China
| | - Guangpeng Li
- State Key Laboratory of Reproductive Regulation and Breeding of Grassland Livestock (RBGL), Inner Mongolia University, Hohhot, China.,College of Life Sciences, Inner Mongolia University, Hohhot, China
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Physiological and Pathological Role of Circadian Hormones in Osteoarthritis: Dose-Dependent or Time-Dependent? J Clin Med 2019; 8:jcm8091415. [PMID: 31500387 PMCID: PMC6781184 DOI: 10.3390/jcm8091415] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2019] [Revised: 08/27/2019] [Accepted: 09/04/2019] [Indexed: 12/16/2022] Open
Abstract
Osteoarthritis (OA), the most common form of arthritis, may be triggered by improper secretion of circadian clock-regulated hormones, such as melatonin, thyroid-stimulating hormone (TSH), or cortisol. The imbalance of these hormones alters the expression of pro-inflammatory cytokines and cartilage degenerative enzymes in articular cartilage, resulting in cartilage erosion, synovial inflammation, and osteophyte formation, the major hallmarks of OA. In this review, we summarize the effects of circadian melatonin, TSH, and cortisol on OA, focusing on how different levels of these hormones affect OA pathogenesis and recovery with respect to the circadian clock. We also highlight the effects of melatonin, TSH, and cortisol at different concentrations both in vivo and in vitro, which may help to elucidate the relationship between circadian hormones and OA.
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28
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Melatonin Rescued Reactive Oxygen Species-Impaired Osteogenesis of Human Bone Marrow Mesenchymal Stem Cells in the Presence of Tumor Necrosis Factor-Alpha. Stem Cells Int 2019; 2019:6403967. [PMID: 31582985 PMCID: PMC6754961 DOI: 10.1155/2019/6403967] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2019] [Accepted: 08/09/2019] [Indexed: 12/22/2022] Open
Abstract
Accumulation of reactive oxygen species (ROS), which can be induced by inflammatory cytokines, such as tumor necrosis factor-alpha (TNF-α), can significantly inhibit the osteogenic differentiation of bone marrow mesenchymal stem cells (BMSCs). This process can contribute to the imbalance of bone remodeling, which ultimately leads to osteoporosis. Therefore, reducing the ROS generation during osteogenesis of BMSCs may be an effective way to reverse the impairment of osteogenesis. Melatonin (MLT) has been reported to act as an antioxidant during cell proliferation and differentiation, but its antioxidant effect and mechanism of action during osteogenesis of MSCs in the inflammatory microenvironment, especially in the presence of TNF-α, remain unknown and need further study. In our study, we demonstrate that melatonin can counteract the generation of ROS and the inhibitory osteogenesis of BMSCs induced by TNF-α, by upregulating the expression of antioxidases and downregulating the expression of oxidases. Meanwhile, MLT can inhibit the phosphorylation of p65 protein and block the degradation of IκBα protein, thus decreasing the activity of the NF-κB pathway. This study confirmed that melatonin can inhibit the generation of ROS during osteogenic differentiation of BMSCs and reverse the inhibition of osteogenic differentiation of BMSCs in vitro, suggesting that melatonin can antagonize TNF-α-induced ROS generation and promote the great effect of osteogenic differentiation of BMSCs. Accordingly, these findings provide more evidence that melatonin can be used as a candidate drug for the treatment of osteoporosis.
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29
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Martínez PN, Menéndez ST, Villaronga MDLÁ, Ubelaker DH, García-Pedrero JM, C Zapico S. "The big sleep: Elucidating the sequence of events in the first hours of death to determine the postmortem interval". Sci Justice 2019; 59:418-424. [PMID: 31256813 DOI: 10.1016/j.scijus.2019.03.001] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/14/2018] [Revised: 02/24/2019] [Accepted: 03/03/2019] [Indexed: 12/20/2022]
Abstract
Recent developments on postmortem interval estimation (PMI) take an advantage of the autolysis process, pointing out to the analysis of the expression of apoptosis and autophagy genes towards this purpose. Oxidative stress plays a role in this signaling as a regulatory mechanism and/or as a consequence of cell death. Additionally, melatonin has been implicated on apoptosis and autophagy signaling, making melatonin a suitable target for PMI determination. The aim of this study was to investigate the early PMI through the analysis of the expression of autophagy genes as well as oxidative stress and melatonin receptor. Our results demonstrated a rapidly increased on the expression of autophagy genes according to the expected sequence of events, then a marked decrease in this expression, matched with the switch to the apoptosis signaling. These results revealed potential candidates to analyze the PMI in the first hours of death, helping to estimate the time-since-death.
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Affiliation(s)
- Paula Núñez Martínez
- Departamento de Biología Funcional (Área de Fisiología), Facultad de Medicina y Ciencias de la Salud, Universidad de Oviedo, Spain
| | - Sofía T Menéndez
- Hospital Universitario Central de Asturias, Instituto de Investigación Sanitaria del Principado de Asturias, Instituto Universitario de Oncología del Principado de Asturias, Oviedo, Spain; CIBER de Cáncer (CIBERONC), Madrid, Spain
| | - María de Los Ángeles Villaronga
- Hospital Universitario Central de Asturias, Instituto de Investigación Sanitaria del Principado de Asturias, Instituto Universitario de Oncología del Principado de Asturias, Oviedo, Spain; CIBER de Cáncer (CIBERONC), Madrid, Spain
| | - Douglas H Ubelaker
- Anthropology Department, NMNH, Smithsonian Institution, MRC 112, Washington, DC, USA
| | - Juana M García-Pedrero
- Hospital Universitario Central de Asturias, Instituto de Investigación Sanitaria del Principado de Asturias, Instituto Universitario de Oncología del Principado de Asturias, Oviedo, Spain; CIBER de Cáncer (CIBERONC), Madrid, Spain
| | - Sara C Zapico
- Anthropology Department, NMNH, Smithsonian Institution, MRC 112, Washington, DC, USA; Department of Chemistry and Biochemistry, International Forensic Research Institute, Florida International University, Miami, FL, USA.
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Melatonin in Alzheimer’s Disease: A Latent Endogenous Regulator of Neurogenesis to Mitigate Alzheimer’s Neuropathology. Mol Neurobiol 2019; 56:8255-8276. [DOI: 10.1007/s12035-019-01660-3] [Citation(s) in RCA: 58] [Impact Index Per Article: 11.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2019] [Revised: 05/20/2019] [Accepted: 05/22/2019] [Indexed: 12/15/2022]
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31
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An Q, Peng W, Cheng Y, Lu Z, Zhou C, Zhang Y, Su J. Melatonin supplementation during in vitro maturation of oocyte enhances subsequent development of bovine cloned embryos. J Cell Physiol 2019; 234:17370-17381. [DOI: 10.1002/jcp.28357] [Citation(s) in RCA: 60] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2018] [Revised: 01/27/2019] [Accepted: 01/30/2019] [Indexed: 01/02/2023]
Affiliation(s)
- Quanli An
- Department of Basic Veterinary Sciences Key Laboratory of Animal Biotechnology of the Ministry of Agriculture, College of Veterinary Medicine, Northwest A&F University, Ministry of Agriculture Yangling Shaanxi China
| | - Wei Peng
- Department of Basic Veterinary Sciences Key Laboratory of Animal Biotechnology of the Ministry of Agriculture, College of Veterinary Medicine, Northwest A&F University, Ministry of Agriculture Yangling Shaanxi China
| | - Yuyao Cheng
- Department of Basic Veterinary Sciences Key Laboratory of Animal Biotechnology of the Ministry of Agriculture, College of Veterinary Medicine, Northwest A&F University, Ministry of Agriculture Yangling Shaanxi China
| | - Zhenzhen Lu
- Department of Basic Veterinary Sciences Key Laboratory of Animal Biotechnology of the Ministry of Agriculture, College of Veterinary Medicine, Northwest A&F University, Ministry of Agriculture Yangling Shaanxi China
| | - Chuan Zhou
- Department of Basic Veterinary Sciences Key Laboratory of Animal Biotechnology of the Ministry of Agriculture, College of Veterinary Medicine, Northwest A&F University, Ministry of Agriculture Yangling Shaanxi China
| | - Yong Zhang
- Department of Basic Veterinary Sciences Key Laboratory of Animal Biotechnology of the Ministry of Agriculture, College of Veterinary Medicine, Northwest A&F University, Ministry of Agriculture Yangling Shaanxi China
| | - Jianmin Su
- Department of Basic Veterinary Sciences Key Laboratory of Animal Biotechnology of the Ministry of Agriculture, College of Veterinary Medicine, Northwest A&F University, Ministry of Agriculture Yangling Shaanxi China
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Sokolović D, Djindjić B, Krstić D, Marković V, Ristić G, M . Sokolović D, Golubović M, Djordjević B, Dunjić M, Popović D, Karuntanović T, Tatar N, Babović P. THE EFFECT OF MELATONIN ON THE CATABOLISM OF POLYAMINES IN THE RAT THYMUS DURING THE EXPOSURE TO MICROWAVE RADIATION. ACTA MEDICA MEDIANAE 2018. [DOI: 10.5633/amm.2018.0402] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
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Król T, Trybus W, Trybus E, Kopacz-Bednarska A, Kowalczyk M, Brytan M, Paluch M, Antkowiak B, Saracyn M, Król G, Ciechanowska M. Assessment of exogenous melatonin action on mouse liver cells after exposure to soman. ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY 2018; 64:147-154. [PMID: 30391876 DOI: 10.1016/j.etap.2018.10.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/30/2018] [Accepted: 10/26/2018] [Indexed: 06/08/2023]
Abstract
Melatonin is a hormone with many different biological activities and therefore seems to be an important factor reducing the harmful effects caused by toxic organophosphorus compounds. In this study, we attempted to evaluate the protective effect of melatonin on liver cells of mice challenged with chemical warfare agent-soman. The study was conducted at the level of ultrastructural and biochemical changes (analysis of the activity of model lysosomal enzymes and assessment of the level of lipid peroxidation). Significant biochemical and ultrastructural changes were found in the studied mouse hepatocytes after administration of soman alone, and soman in combination with melatonin, and the scope of the disclosed changes was dependent on the time of action of the examined factors. Melatonin has shown protective action, shielding liver cells from toxic effects of soman, which may result from its antioxidant properties and stimulation of the lysosomal compartment, the system coordinating the isolation and removal of cell-threatening processes.
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Affiliation(s)
- Teodora Król
- Department of Cell Biology and Electron Microscopy, Institute of Biology, The Jan Kochanowski University, Kielce, Poland.
| | - Wojciech Trybus
- Department of Cell Biology and Electron Microscopy, Institute of Biology, The Jan Kochanowski University, Kielce, Poland
| | - Ewa Trybus
- Department of Cell Biology and Electron Microscopy, Institute of Biology, The Jan Kochanowski University, Kielce, Poland
| | - Anna Kopacz-Bednarska
- Department of Cell Biology and Electron Microscopy, Institute of Biology, The Jan Kochanowski University, Kielce, Poland
| | - Marek Kowalczyk
- Department of Pharmacology and Toxicology, Military Institute of Hygiene and Epidemiology, Warsaw, Poland; Józef Piłsudski University of Physical Education in Warsaw, Warsaw, Poland
| | - Marek Brytan
- Department of Pharmacology and Toxicology, Military Institute of Hygiene and Epidemiology, Warsaw, Poland
| | - Małgorzata Paluch
- Department of Pharmacology and Toxicology, Military Institute of Hygiene and Epidemiology, Warsaw, Poland
| | - Bożena Antkowiak
- Department of Pharmacology and Toxicology, Military Institute of Hygiene and Epidemiology, Warsaw, Poland
| | | | - Grzegorz Król
- Faculty of Management, University of Warsaw, Szturmowa 1/3, 02-678, Warsaw, Poland
| | - Magdalena Ciechanowska
- Department of Pharmacology and Toxicology, Military Institute of Hygiene and Epidemiology, Warsaw, Poland
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Khizhkin EA, Ilyukha VA, Vinogradova IA, Antonova EP, Morozov AV. Circadian Rhythms of Antioxidant Enzyme’s Activity in Young and Adult Rats under Light Deprivation Conditions. ADVANCES IN GERONTOLOGY 2018. [DOI: 10.1134/s2079057018040069] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Brazão V, Colato RP, Santello FH, Vale GTD, Gonzaga NDA, Tirapelli CR, Prado JCD. Effects of melatonin on thymic and oxidative stress dysfunctions during Trypanosoma cruzi infection. J Pineal Res 2018; 65:e12510. [PMID: 29781553 DOI: 10.1111/jpi.12510] [Citation(s) in RCA: 45] [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: 02/15/2018] [Accepted: 04/09/2018] [Indexed: 12/11/2022]
Abstract
Although the exact etiology of Chagas disease is not completely elucidated, thymic atrophy and oxidative stress are believed to be important contributors to the pathogenesis during acute Trypanosoma cruzi (T. cruzi) infection. We hypothesized that exogenous melatonin, administered by gavage (5 mg/kg, p.o., gavage) to young (5 weeks old) and middle-aged (18 months old) male Wistar rats, would modulate thymic oxidative damage and reverse the age-related thymus regression during T. cruzi acute infection. Increased levels of superoxide anion (O2- ) were detected in the thymus of infected animals, and treatment with melatonin reverted this response. We found reduced TBARS levels as well as a significant increase in superoxide dismutase (SOD) activity in the thymus of all middle-aged melatonin-treated animals, infected or not with T. cruzi. Furthermore, melatonin increased the thymic expression of SOD1 and SOD2 in middle-aged control animals. Nox2 expression was not affected by melatonin treatment in young or middle-aged animals. Melatonin reverted the age-related thymic regression as revealed by the increase in thymus weight, total number of thymocytes, and reduction in age-related accumulation of double-negative thymocytes. This is the first report to directly examine the effects of melatonin treatment on the thymic antioxidant/oxidant status and thymic changes during T. cruzi infection. Our results revealed new antioxidant features that turn melatonin a potentially useful compound for the treatment of Chagas disease, a condition in which an excessive oxidative damage occurs.
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Affiliation(s)
- Vânia Brazão
- College of Pharmaceutical Sciences of Ribeirão Preto (FCFRP), University of São Paulo, Ribeirão Preto, SP, Brazil
| | - Rafaela Pravato Colato
- College of Pharmaceutical Sciences of Ribeirão Preto (FCFRP), University of São Paulo, Ribeirão Preto, SP, Brazil
| | - Fabricia Helena Santello
- College of Pharmaceutical Sciences of Ribeirão Preto (FCFRP), University of São Paulo, Ribeirão Preto, SP, Brazil
| | - Gabriel Tavares do Vale
- Department of Psychiatric Nursing and Human Sciences, Laboratory of Pharmacology, College of Nursing of Ribeirão Preto, USP, Ribeirão Preto, SP, Brazil
| | - Natália de Almeida Gonzaga
- Department of Psychiatric Nursing and Human Sciences, Laboratory of Pharmacology, College of Nursing of Ribeirão Preto, USP, Ribeirão Preto, SP, Brazil
| | - Carlos Renato Tirapelli
- Department of Psychiatric Nursing and Human Sciences, Laboratory of Pharmacology, College of Nursing of Ribeirão Preto, USP, Ribeirão Preto, SP, Brazil
| | - José Clóvis do Prado
- College of Pharmaceutical Sciences of Ribeirão Preto (FCFRP), University of São Paulo, Ribeirão Preto, SP, Brazil
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Akar E, Batçık KE, Acar C, Ton Ö, Canaz H, Baydın S, Akdemir O, Alataş İ. A Comparative Analysis of the Effects of Melatonin and Nimodipine on Vasospasm. JOURNAL OF CLINICAL AND EXPERIMENTAL INVESTIGATIONS 2018. [DOI: 10.5799/jcei.458757] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
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Skobowiat C, Brożyna AA, Janjetovic Z, Saowanee J, Oak AS, Kim TK, Panich U, Reiter RJ, Slominski AT. Melatonin and its derivatives counteract the ultraviolet B radiation-induced damage in human and porcine skin ex vivo. J Pineal Res 2018; 65:e12501. [PMID: 29702749 PMCID: PMC6105533 DOI: 10.1111/jpi.12501] [Citation(s) in RCA: 71] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/30/2018] [Accepted: 03/23/2018] [Indexed: 12/30/2022]
Abstract
Melatonin and its derivatives (N1 -acetyl-N2 -formyl-5-methoxykynurenine [AFMK] and N-acetyl serotonin [NAS]) have broad-spectrum protective effects against photocarcinogenesis, including both direct and indirect antioxidative actions, regulation of apoptosis and DNA damage repair; these data were primarily derived from in vitro models. This study evaluates possible beneficial effects of melatonin and its active derivatives against ultraviolet B (UVB)-induced harm to human and porcine skin ex vivo and to cultured HaCaT cells. The topical application of melatonin, AFMK, or NAS protected epidermal cells against UVB-induced 8-OHdG formation and apoptosis with a further increase in p53ser15 expression, especially after application of melatonin or AFMK but not after NAS use. The photoprotective action was observed in pre- and post-UVB treatment in both human and porcine models. Melatonin along with its derivatives upregulated also the expression of antioxidative enzymes after UVB radiation of HaCaT cells. The exogenous application of melatonin or its derivatives represents a potent and promising tool for preventing UVB-induced oxidative stress and DNA damage. This protection results in improved genomic, cellular, and tissue integrity against UVB-induced carcinogenesis, especially when applied prior to UV exposure. In addition, our ex vivo experiments provide fundamental justification for further testing the clinical utility of melatonin and metabolites as protectors again UVB in human subjects. Our ex vivo data constitute the bridge between vitro to vivo translation and thus justifies the pursue for further clinical utility of melatonin in maintaining skin homeostasis.
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Affiliation(s)
- Cezary Skobowiat
- Department of Pharmacodynamics and Molecular Pharmacology, Faculty
of Pharmacy, Collegium Medicum, Nicolaus Copernicus University in Torun,
Poland
- Department of Dermatology, Comprehensive Cancer Center Cancer
Chemoprevention Program, University of Alabama at Birmingham, Birmingham, AL,
USA
| | - Anna A. Brożyna
- Department of Tumor Pathology and Pathomorphology, Oncology Centre -
Prof. Franciszek Łukaszczyk Memorial Hospital, Bydgoszcz, Poland
- Department of Tumor Pathology and Pathomorphology, Faculty of Health
Sciences, Nicolaus Copernicus University Collegium Medicum in Bydgoszcz, Bydgoszcz, Poland
- Department of Dermatology, Comprehensive Cancer Center Cancer
Chemoprevention Program, University of Alabama at Birmingham, Birmingham, AL,
USA
| | - Zorica Janjetovic
- Department of Dermatology, Comprehensive Cancer Center Cancer
Chemoprevention Program, University of Alabama at Birmingham, Birmingham, AL,
USA
| | - Jeayeng Saowanee
- Department of Pharmacology, Faculty of Medicine Siriraj Hospital,
Mahidol University, Bangkok, Thailand
| | - Allen S.W. Oak
- Department of Dermatology, Comprehensive Cancer Center Cancer
Chemoprevention Program, University of Alabama at Birmingham, Birmingham, AL,
USA
| | - Tae-Kang Kim
- Department of Dermatology, Comprehensive Cancer Center Cancer
Chemoprevention Program, University of Alabama at Birmingham, Birmingham, AL,
USA
| | - Uraiwan Panich
- Department of Pharmacology, Faculty of Medicine Siriraj Hospital,
Mahidol University, Bangkok, Thailand
| | - Russel J. Reiter
- Department of Cellular and Structural Biology, UT Health, San
Antonio, Texas, USA
| | - Andrzej T. Slominski
- Department of Dermatology, Comprehensive Cancer Center Cancer
Chemoprevention Program, University of Alabama at Birmingham, Birmingham, AL,
USA
- Laboratory Service of the VA Medical Center, Birmingham, AL,
USA
- Corresponding author: Andrzej T. Slominski MD, PhD;
Department of Dermatology, University of Alabama at Birmingham, 1720 2nd Avenue
S. VH 476C, Birmingham, AL 35294, USA; Phone: 205.934.5245; Fax: 205.934.5766;
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Vázquez J, Grillitsch K, Daum G, Mas A, Torija MJ, Beltran G. Melatonin Minimizes the Impact of Oxidative Stress Induced by Hydrogen Peroxide in Saccharomyces and Non-conventional Yeast. Front Microbiol 2018; 9:1933. [PMID: 30177925 PMCID: PMC6109679 DOI: 10.3389/fmicb.2018.01933] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2018] [Accepted: 07/30/2018] [Indexed: 01/24/2023] Open
Abstract
Melatonin (N-acetyl-5-methoxytryptamine) is synthesized from tryptophan by Saccharomyces cerevisiae and non-conventional yeast species. Antioxidant properties have been suggested as a possible role of melatonin in a S. cerevisiae wine strain. However, the possible antioxidant melatonin effect on non-Saccharomyces species and other strains of S. cerevisiae must be evaluated. The aim of this study was to determine the antioxidant capacity of melatonin in eight S. cerevisiae strains and four non-conventional yeasts (Torulaspora delbrueckii, Metschnikowia pulcherrima, Starmerella bacillaris, and Hanseniaspora uvarum). Therefore, the ROS formation, lipid peroxidation, catalase activity, fatty acid composition, and peroxisome proliferation were investigated. The results showed that the presence of melatonin increases peroxisome accumulation and slightly increases the catalase activity. When cells grown in the presence of melatonin were exposed to oxidative stress induced by H2O2, lower ROS accumulation and lipid peroxidation were observed in all tested strains. Therefore, the increased catalase activity that was a consequence of oxidative stress was lower in the presence of melatonin. Moreover, the presence of MEL modulates cell FA composition, increasing oleic and palmitoleic acids and leading to higher UFA/SFA ratios, which have been previously related to a higher tolerance to H2O2. These findings demonstrate that melatonin can act as an antioxidant compound in both S. cerevisiae and non-Saccharomyces yeasts.
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Affiliation(s)
- Jennifer Vázquez
- Oenological Biotechnology Research Group, Department of Biochemistry and Biotechnology, Faculty of Oenology, University of Rovira i Virgili, Tarragona, Spain
| | | | - Günther Daum
- Institute of Biochemistry, Graz University of Technology, Graz, Austria
| | - Albert Mas
- Oenological Biotechnology Research Group, Department of Biochemistry and Biotechnology, Faculty of Oenology, University of Rovira i Virgili, Tarragona, Spain
| | - María-Jesús Torija
- Oenological Biotechnology Research Group, Department of Biochemistry and Biotechnology, Faculty of Oenology, University of Rovira i Virgili, Tarragona, Spain
| | - Gemma Beltran
- Oenological Biotechnology Research Group, Department of Biochemistry and Biotechnology, Faculty of Oenology, University of Rovira i Virgili, Tarragona, Spain
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Reiter RJ, Tan DX, Rosales-Corral S, Galano A, Jou MJ, Acuna-Castroviejo D. Melatonin Mitigates Mitochondrial Meltdown: Interactions with SIRT3. Int J Mol Sci 2018; 19:E2439. [PMID: 30126181 PMCID: PMC6121285 DOI: 10.3390/ijms19082439] [Citation(s) in RCA: 69] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2018] [Revised: 08/03/2018] [Accepted: 08/08/2018] [Indexed: 02/07/2023] Open
Abstract
Melatonin exhibits extraordinary diversity in terms of its functions and distribution. When discovered, it was thought to be uniquely of pineal gland origin. Subsequently, melatonin synthesis was identified in a variety of organs and recently it was shown to be produced in the mitochondria. Since mitochondria exist in every cell, with a few exceptions, it means that every vertebrate, invertebrate, and plant cell produces melatonin. The mitochondrial synthesis of melatonin is not photoperiod-dependent, but it may be inducible under conditions of stress. Mitochondria-produced melatonin is not released into the systemic circulation, but rather is used primarily in its cell of origin. Melatonin's functions in the mitochondria are highly diverse, not unlike those of sirtuin 3 (SIRT3). SIRT3 is an NAD+-dependent deacetylase which regulates, among many functions, the redox state of the mitochondria. Recent data proves that melatonin and SIRT3 post-translationally collaborate in regulating free radical generation and removal from mitochondria. Since melatonin and SIRT3 have cohabitated in the mitochondria for many eons, we predict that these molecules interact in many other ways to control mitochondrial physiology. It is predicted that these mutual functions will be intensely investigated in the next decade and importantly, we assume that the findings will have significant applications for preventing/delaying some age-related diseases and aging itself.
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Affiliation(s)
- Russel J Reiter
- Department of Cell Systems and Anatomy, UT Health San Antonio, San Antonio, TX 78229, USA.
| | - Dun Xian Tan
- Department of Cell Systems and Anatomy, UT Health San Antonio, San Antonio, TX 78229, USA.
| | - Sergio Rosales-Corral
- Centro de Investigacion Biomedica de Occidente, Instituto Mexicano del Seguro Social, Guardalajara, 4436 Jalisco, Mexico.
| | - Annia Galano
- Departamento de Quimica, Universidad Antonoma Metropolitana-Unidad Iztapalapa, San Rafael Atlixco 186, Col. Vicentina, Iztapalapa, C.P. 09340 Mexico D.F., Mexico.
| | - Mei-Jie Jou
- Department of Physiology and Pharmacology, Chang Gung University, 259 Wen-Hwa 1st Road, Kwei-Shan, Tao-Yuan 333, Taiwan.
| | - Dario Acuna-Castroviejo
- Departamento de Fisiologia, Instituto de Biotecnologia, Universidad de Granada, Avenida de Conocimiento S/U, 18016 Granada, Spain.
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Lochner A, Marais E, Huisamen B. Melatonin and cardioprotection against ischaemia/reperfusion injury: What's new? A review. J Pineal Res 2018; 65:e12490. [PMID: 29570845 DOI: 10.1111/jpi.12490] [Citation(s) in RCA: 83] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/14/2017] [Accepted: 03/01/2018] [Indexed: 12/20/2022]
Abstract
Melatonin is a pleiotropic hormone with several functions. It binds to specific receptors and to a number of cytosolic proteins, activating a vast array of signalling pathways. Its potential to protect the heart against ischaemia/reperfusion damage has attracted much attention, particularly in view of its possible clinical applications. This review will focus mainly on the possible signalling pathways involved in melatonin-induced cardioprotection. In particular, the role of the melatonin receptors and events downstream of receptor activation, for example, the reperfusion injury salvage kinase (RISK), survivor activating factor enhancement (SAFE) and Notch pathways, the sirtuins, nuclear factor E2-related factor 2 (Nrf2) and translocases in the outer membrane (TOM70) will be discussed. Particular attention is given to the role of the mitochondrion in melatonin-induced cardioprotection. In addition, a brief overview will be given regarding the status quo of the clinical application of melatonin in humans.
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Affiliation(s)
- Amanda Lochner
- Division of Medical Physiology, Department of Biomedical Sciences, Faculty of Medicine and Health Sciences, University of Stellenbosch, Tygerberg, South Africa
| | - Erna Marais
- Division of Medical Physiology, Department of Biomedical Sciences, Faculty of Medicine and Health Sciences, University of Stellenbosch, Tygerberg, South Africa
| | - Barbara Huisamen
- Biomedical Research and Innovation Platform, SA Medical Research Council, Tygerberg, South Africa
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Govender J, Loos B, Marais E, Engelbrecht AM. Melatonin improves cardiac and mitochondrial function during doxorubicin-induced cardiotoxicity: A possible role for peroxisome proliferator-activated receptor gamma coactivator 1-alpha and sirtuin activity? Toxicol Appl Pharmacol 2018; 358:86-101. [PMID: 29966675 DOI: 10.1016/j.taap.2018.06.031] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2017] [Revised: 06/27/2018] [Accepted: 06/28/2018] [Indexed: 01/02/2023]
Abstract
Mitochondrial dysfunction is a central element in the development of doxorubicin (DXR)-induced cardiotoxicity. In this context, melatonin is known to influence mitochondrial homeostasis and function. This study aimed to investigate the effects of melatonin on cardiac function, tumor growth, mitochondrial fission and fusion, PGC1-α and sirtuin activity in an acute model of DXR-induced cardiotoxicity. During the in vitro study, H9c2 rat cardiomyoblasts were pre-treated with melatonin (10 μM, 24 h) followed by DXR exposure (3 μM, 24 h). Following treatment, cellular ATP levels and mitochondrial morphology were assessed. In the in vivo study, female Sprague Dawley rats (16 weeks old), were inoculated with a LA7 rat mammary tumor cell line and tumors were measure daily. Animals were injected with DXR (3 × 4 mg/kg) and/or received melatonin (6 mg/kg) for 14 days in their drinking water. Rat hearts were used to conduct isolated heart perfusions to assess cardiac function and thereafter, heart tissue was used for immunoblot analysis. DXR treatment increased cell death and mitochondrial fission which were reduced with melatonin treatment. Cardiac output increased in rats treated with DXR + melatonin compared to DXR-treated rats. Tumor volumes was significantly reduced in DXR + melatonin-treated rats on Day 8 in comparison to DXR-treated rats. Furthermore, DXR + melatonin treatment increased cellular ATP levels, PGC1-α and SIRT1 expression which was attenuated by DXR treatment. These results indicate that melatonin treatment confers a dual cardio-protective and oncostatic effect by improving mitochondrial function and cardiac function whilst simultaneously retarding tumor growth during DXR-induced cardiotoxicity.
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Affiliation(s)
- Jenelle Govender
- Department of Physiological Sciences, Stellenbosch University, Stellenbosch 7600, South Africa.
| | - Ben Loos
- Department of Physiological Sciences, Stellenbosch University, Stellenbosch 7600, South Africa
| | - Erna Marais
- Department of Medical Physiology, Faculty of Medicine, Stellenbosch University, Tygerberg Campus, 7505, South Africa
| | - Anna-Mart Engelbrecht
- Department of Physiological Sciences, Stellenbosch University, Stellenbosch 7600, South Africa
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Hristova M, Tzaneva M, Bekyarova G, Chivchibashi D, Stefanova N, Kiselova-Kaneva Y. Molecular Mechanisms of Melatonin Protection from Gastric Mucosal Apoptotic Injury in Experimental Burns. Molecules 2018; 23:molecules23040749. [PMID: 29587343 PMCID: PMC6017416 DOI: 10.3390/molecules23040749] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2018] [Revised: 03/20/2018] [Accepted: 03/21/2018] [Indexed: 12/19/2022] Open
Abstract
Melatonin, a basic secretory pineal gland product, is a nontoxic, multifunctional molecule. It has antioxidant and anti-apoptotic activities and protects tissues from injury. The objective of the present study was to determine the molecular mechanism of melatonin anti-apoptotic effect on gastric injury in a rat burn model. We hypothesized that melatonin gastric protection may be related to the activation of transcription erythroid 2-related factor 2 (Nrf2). Using a 30% total body surface area (TBSA) rat burn model, melatonin (10 mg/kg, i.p.) was injected immediately and 12 h after thermal skin injury. Via light immunohistochemistry, we determined the tissue level of 4-hydroxy-2-nonenal (4-HNE) as a marker of lipid peroxidation, Bcl-2 and Bax as apoptosis-related proteins, and Nrf2. Results are presented as medians (interquartile range (IQR)). Thermal trauma in burned animals, compared with the controls, increased the expression of pro-apoptotic Bax protein (1.37 (0.94–1.47)), decreased anti-apoptotic Bcl-2 protein (1.16 (1.06–1.23), p < 0.001) in epithelial cells, and elevated Bax/Bcl-2 ratios (p < 0.05). Tissue 4-HNE and Nrf2 levels were increased following severe burns (1.55 (0.98–1.61) and 1.16 (1.01–1.25), p < 0.05, respectively). Melatonin significantly decreased 4-HNE (0.87 (0.74–0.96), p < 0.01) and upregulated Nrf2 (1.55 (1.52–1.65), p < 0.001) levels. It also augmented Bax (1.68 (1.5–1.8), p < 0.001) and Bcl-2 expressions (1.96 (1.89–2.01), p < 0.0001), but reduced Bax/Bcl-2 ratios (p < 0.05). Our results suggest that experimental thermal trauma induces oxidative gastric mucosal injury. Melatonin manifests a gastroprotective effect through Nrf2 activation, lipid peroxidation attenuation, and Bax/Bcl-2 ratio modification as well.
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Affiliation(s)
- Minka Hristova
- Department of Physiology and Pathophysiology, Medical University of Varna, Varna 9002, Bulgaria.
| | - Maria Tzaneva
- Department of Preclinical and Clinical Sciences, Medical University of Varna, Varna 9002, Bulgaria.
- Department of General and Clinical Pathology, Forensic Science and Deontology, Medical University of Varna, Varna 9010, Bulgaria.
| | - Ganka Bekyarova
- Department of Physiology and Pathophysiology, Medical University of Varna, Varna 9002, Bulgaria.
| | - Dariya Chivchibashi
- Department of Physiology and Pathophysiology, Medical University of Varna, Varna 9002, Bulgaria.
- Department of General and Clinical Pathology, Forensic Science and Deontology, Medical University of Varna, Varna 9010, Bulgaria.
| | - Nadezhda Stefanova
- Department of General and Clinical Pathology, Forensic Science and Deontology, Medical University of Varna, Varna 9010, Bulgaria.
| | - Yoana Kiselova-Kaneva
- Department of Biochemistry, Molecular Medicine and Nutrigenomics, Medical University of Varna; Varna 9002, Bulgaria.
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Li G, Zhang Y, Ni Y, Wang Y, Xu B, Guo X. Identification of a melatonin receptor type 1A gene (AccMTNR1A) in Apis cerana cerana and its possible involvement in the response to low temperature stress. Naturwissenschaften 2018; 105:24. [DOI: 10.1007/s00114-018-1546-0] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2018] [Revised: 02/18/2018] [Accepted: 02/20/2018] [Indexed: 12/20/2022]
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Bisquert R, Muñiz-Calvo S, Guillamón JM. Protective Role of Intracellular Melatonin Against Oxidative Stress and UV Radiation in Saccharomyces cerevisiae. Front Microbiol 2018. [PMID: 29541065 PMCID: PMC5835529 DOI: 10.3389/fmicb.2018.00318] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
Melatonin (Mel) is considered a potent natural antioxidant molecule given its free-radical scavenging ability. Its origin is traced back to the origin of aerobic life as early defense against oxidative stress and radiation. More complex signaling functions have been attributed to Mel as a result of evolution in different biological kingdoms, which comprise gene expression modulation, enzyme activity, and mitochondrial homeostasis regulation processes, among others. Since Mel production has been recently reported in wine yeast, we tested the protective effect of Mel on Saccharomyces cerevisiae against oxidative stress and UV light. As the optimal conditions for S. cerevisiae to synthesize Mel are still unknown, we developed an intracellular Mel-charging method to test its effect against stresses. To assess Mel’s ability to protect S. cerevisiae from both stresses, we ran growth tests in liquid media and viability assays by colony count after Mel treatment, followed by stress. We also analyzed gene expression by qPCR on a selection of genes involved in stress protection in response to Mel treatment under oxidative stress and UV radiation. The viability in the Mel-treated cells after H2O2 stress was up to 35% greater than for the untreated controls, while stress amelioration reached 40% for UVC light (254 nm). Mel-treated cells showed a significant shortened lag phase compared to the control cells under the stress and normal growth conditions. The gene expression analysis showed that Mel significantly modulated gene expression in the unstressed cells in the exponential growth phase, and also during various stress treatments.
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Affiliation(s)
- Ricardo Bisquert
- Departamento de Biotecnología de Alimentos, Instituto de Agroquímica y Tecnología de Alimentos, Consejo Superior de Investigaciones Científicas (CSIC), Valencia, Spain
| | - Sara Muñiz-Calvo
- Departamento de Biotecnología de Alimentos, Instituto de Agroquímica y Tecnología de Alimentos, Consejo Superior de Investigaciones Científicas (CSIC), Valencia, Spain
| | - José M Guillamón
- Departamento de Biotecnología de Alimentos, Instituto de Agroquímica y Tecnología de Alimentos, Consejo Superior de Investigaciones Científicas (CSIC), Valencia, Spain
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Choudhary PK, Ishwar AK, Kumar R, Niyogi D, Kumar M. Effect of exogenous melatonin and different photoperiods on oxidative status and antioxidant enzyme activity in Chhotanagpuri ewe. Vet World 2018; 11:130-134. [PMID: 29657392 PMCID: PMC5891863 DOI: 10.14202/vetworld.2018.130-134] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2017] [Accepted: 12/26/2017] [Indexed: 12/02/2022] Open
Abstract
Aim: The present study was conducted to evaluate the effect of exogenous melatonin under different photoperiods on oxidative status in Chhotanagpuri ewe. Materials and Methods: A total of 42 non-pregnant, non-lactating Chhotanagpuri ewe, having body weight ranging between 14.11±0.09 and 15.38±0.06 kg, were selected and were isolated from rams 2 months before melatonin administration. The selected animals were allocated randomly into seven groups, namely, Group I (normal control), Group II (long day [LD] control), Group III (LD+melatonin administration orally, 3 mg/day), Group IV (LD+melatonin administration subcutaneously, 1 mg/day), Group V (short day [SD] control), Group VI (SD+melatonin administration orally, 3 mg/day), and Group VII (SD+melatonin administration subcutaneously, 1 mg/day) comprising six animals in each group. Rams were then introduced into each group after completion of exogenous administration of melatonin. Blood samples with anticoagulant in vials were collected from each animal day before the start of the experiment and thereafter every month up to 5th month. Hemolysate was prepared for estimation of oxidative stress parameters such as malondialdehyde (MDA), superoxide dismutase (SOD), and catalase (CAT). Results: It was observed that the level of MDA was significantly (p<0.05) higher in LD groups (Group II, III and IV) in comparison to control and SD groups (VI and VII) at 1st month. MDA concentration after exogenous administration of melatonin was significantly (p<0.05) decreased in Group IV and VI in comparison to 1st month. SOD was significantly (p<0.05) higher in SD groups (V, VI, and VII) at the 1st month in comparison to 0 day. After exogenous administration of melatonin, SOD concentration was significantly (p<0.05) higher in Groups III and IV in comparison to 1st month. CAT was significantly (p<0.05) higher in SD groups (V, VI, and VII) in comparison to control and LD groups. After exogenous administration of melatonin, CAT concentration was significantly (p<0.05) higher in Groups III, IV, VI, and VIII in comparison to Groups I, II, and V. At the 3rd month, CAT concentration significantly (p<0.05) decreased in Groups III, IV, VI, and VII in comparison to 2nd month of experiment. However, a decreasing trend of CAT was observed in all the groups from 3rd to 5th month. Conclusion: The present experiment revealed that exogenous melatonin was able to reduce significantly the level of MDA and increased the activity of SOD and CAT in Chhotanagpuri ewe.
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Affiliation(s)
- Pankaj Kumar Choudhary
- Department of Veterinary Physiology and Biochemistry, College of Veterinary Science and A.H., N.D.U.A.&T., Kumarganj, Faizabad - 224 229, Uttar Pradesh, India
| | - Ajay Kumar Ishwar
- Department of Veterinary Physiology, Ranchi College of Veterinary Science and A.H., Birsa Agricultural University, Ranchi - 834 006, Jharkhand, India
| | - Rajesh Kumar
- Department of Agronomy (A.H.), Bihar Agricultural University, Sabour, Bhagalpur, Bihar, India
| | - Debasish Niyogi
- Department of Veterinary Pathology, College of Veterinary Science and A.H., N.D.U.A.&T., Kumarganj, Faizabad - 224 229, Uttar Pradesh, India
| | - Mukesh Kumar
- Department of Veterinary Anatomy and Histology, College of Veterinary Science and A.H., N.D.U.A.&T., Kumarganj, Faizabad - 224 229, Uttar Pradesh, India
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Yurt KK, Kaplan S. As a painkiller: a review of pre- and postnatal non-steroidal anti-inflammatory drug exposure effects on the nervous systems. Inflammopharmacology 2017; 26:15-28. [DOI: 10.1007/s10787-017-0434-0] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2017] [Accepted: 12/10/2017] [Indexed: 11/29/2022]
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Subala SP, Zubero EE, Alatorre-Jimenez MA, Shivakumar MS. Pre-treatment with melatonin decreases abamectin induced toxicity in a nocturnal insect Spodoptera litura (Lepidoptera: Noctuidae). ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY 2017; 56:76-85. [PMID: 28886429 DOI: 10.1016/j.etap.2017.08.025] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/01/2016] [Revised: 08/10/2017] [Accepted: 08/28/2017] [Indexed: 06/07/2023]
Abstract
AIM Oxidative stress is an important component of the mechanism of pesticide toxicity. The aim of the present study was to investigate the time-dependent melatonin effects against abamectin-induced oxidative stress in a S.litura model. Larvae were divided into 5 different groups; (1) control group,(2) Melatonin group (4.3×10-5M/100ml diet), (3) Abamectin group 1.5ml/L, (4) Pre-melatonin treated group (PM) (4.3×10-5M/100ml diet) before abamectin exposure 1.5ml/L, (5) Post-melatonin treated group (TM) after abamectin exposure. Melatonin was supplemented via artificial diet in PM and TM animals during 24h. MAIN METHODS Midgut, fatbody, and hemolymph, were collected for the analysis of oxidative stress markers (Total ROS, GSH, nitrite, TBARS, LPO), antioxidant enzyme levels (SOD, GST, CAT, POX, APOX) in fifth instar larvae. Midgut damage was examined by using morphological analysis. KEY FINDINGS Our results observed that ABA group showed significant changes (p<0.001) in the ROS and carbonyl content in midgut. The increase of antioxidant enzyme levels (SOD, CAT, POX, and APOX) in midgut was led by the continuous free radical scavenger cascade of melatonin. Significant (p<0.01) increases in CAT and APOX levels were seen in the fatbody of PM and TM treated insects. SIGNIFICANCE In conclusion, the results of the study revealed that abamectin toxicity generates oxidative stress in the insect, while pre-melatonin treatment reduces this damage due to its antioxidant properties, especially POX levels in midgut, fatbody, and hemolymph. Therefore, indoleamine can play a vital role curtailing the abamectin toxicity in time dependent manner in S.litura.
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Affiliation(s)
- Subramanian P Subala
- Molecular Entomology Laboratory, Department of Biotechnology, School of Biosciences, Periyar University, Salem, 36011, Tamil Nadu, India
| | - Eduardo E Zubero
- Department of Pharmacology and Physiology, University of Zaragoza, Zaragoza, Spain
| | - Moises A Alatorre-Jimenez
- Department of Cellular and Structural Biology, Health Science Center, University of Texas, San Antonio, USA
| | - Muthugounder S Shivakumar
- Molecular Entomology Laboratory, Department of Biotechnology, School of Biosciences, Periyar University, Salem, 36011, Tamil Nadu, India.
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Melatonin Improves the Quality of Inferior Bovine Oocytes and Promoted Their Subsequent IVF Embryo Development: Mechanisms and Results. Molecules 2017; 22:molecules22122059. [PMID: 29186876 PMCID: PMC6149663 DOI: 10.3390/molecules22122059] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2017] [Revised: 11/17/2017] [Accepted: 11/21/2017] [Indexed: 02/02/2023] Open
Abstract
The inferior oocytes (IOs), which are not suitable for embryo development, occupy roughly one-third or more of the collected immature bovine oocytes. The IOs are usually discarded from the in vitro bovine embryo production process. Improving the quality of the inferior oocytes (IOs) and make them available in in vitro embryo production would have important biological, as well as commercial, value. This study was designed to investigate whether melatonin could improve the quality of IOs and make them usable in the in vitro maturation (IVM) and subsequent (in vitro fertilization) IVF embryo development. The results indicated that: the maturation rate of IOs and their subsequent IVF embryo developments were impaired compared to cumulus-oocyte complexes and melatonin treatment significantly improved the quality of IOs, as well as their IVF and embryo developments. The potential mechanisms are that: (1) melatonin reduced reactive oxygen species (ROS) and enhanced glutathione (GSH) levels in the IOs, thereby protecting them from oxidative stress; (2) melatonin improved mitochondrial normal distribution and function to increase ATP level in IOs; and (3) melatonin upregulated the expression of ATPase 6, BMP-15, GDF-9, SOD-1, Gpx-4, and Bcl-2, which are critical genes for oocyte maturation and embryo development and downregulated apoptotic gene expression of caspase-3.
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Paradies G, Paradies V, Ruggiero FM, Petrosillo G. Mitochondrial bioenergetics decay in aging: beneficial effect of melatonin. Cell Mol Life Sci 2017; 74:3897-3911. [PMID: 28785806 PMCID: PMC11107727 DOI: 10.1007/s00018-017-2619-5] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2017] [Accepted: 08/03/2017] [Indexed: 12/18/2022]
Abstract
Aging is a biological process characterized by progressive decline in physiological functions, increased oxidative stress, reduced capacity to respond to stresses, and increased risk of contracting age-associated disorders. Mitochondria are referred to as the powerhouse of the cell through their role in the oxidative phosphorylation to generate ATP. These organelles contribute to the aging process, mainly through impairment of electron transport chain activity, opening of the mitochondrial permeability transition pore and increased oxidative stress. These events lead to damage to proteins, lipids and mitochondrial DNA. Cardiolipin, a phospholipid of the inner mitochondrial membrane, plays a pivotal role in several mitochondrial bioenergetic processes as well as in mitochondrial-dependent steps of apoptosis and in mitochondrial membrane stability and dynamics. Cardiolipin alterations are associated with mitochondrial bienergetics decline in multiple tissues in a variety of physiopathological conditions, as well as in the aging process. Melatonin, the major product of the pineal gland, is considered an effective protector of mitochondrial bioenergetic function. Melatonin preserves mitochondrial function by preventing cardiolipin oxidation and this may explain, at least in part, the protective role of this compound in mitochondrial physiopathology and aging. Here, mechanisms through which melatonin exerts its protective role against mitochondrial dysfunction associated with aging and age-associated disorders are discussed.
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Affiliation(s)
- Giuseppe Paradies
- Department of Biosciences, Biotechnologies and Biopharmaceutics, University of Bari, Bari, Italy.
| | - Valeria Paradies
- Department of Biosciences, Biotechnologies and Biopharmaceutics, University of Bari, Bari, Italy
| | - Francesca M Ruggiero
- Department of Biosciences, Biotechnologies and Biopharmaceutics, University of Bari, Bari, Italy
| | - Giuseppe Petrosillo
- Institute of Biomembranes, Bioenergetics and Molecular Biotechnologies, National Research Council, Bari, Italy
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Probucol Protects Rats from Cardiac Dysfunction Induced by Oxidative Stress following Cardiopulmonary Resuscitation. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2017; 2017:1284804. [PMID: 29213348 PMCID: PMC5682903 DOI: 10.1155/2017/1284804] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/28/2017] [Revised: 06/02/2017] [Accepted: 06/21/2017] [Indexed: 02/02/2023]
Abstract
Objective To investigate the protective effect of probucol on induced cardiac arrest (CA) rats and possible mechanisms. Methods Sprague Dawley rats were orally administrated with probucol at different dosage or vehicle for 5 days and subjected to a CA model by electrical stimulation, followed by cardiopulmonary resuscitation (CPR). The return of spontaneous circulation (ROSC) rate, antioxidant enzyme activities, and lipid oxidation markers were measured in serum and myocardium. Hemodynamic parameters and myocardial functions of animals were analyzed. Expression of erythroid-derived 2-like 2 (NFE2L2) and Kelch-like ECH-associated protein 1 (KEAP1) in the myocardium were examined with immunohistochemistry. Results Probucol treatment significantly increased the ROSC rate and survival time of CA-induced rats. After ROSC, levels of oxidation-specific markers were decreased, while activities of antioxidant enzymes were increased significantly in probucol treatment groups. The probucol treatment improves hemodynamic parameters and myocardial functions. These parameter changes were in a dose-dependent manner. In the probucol treatment groups, the expression of KEAP1 was downregulated, while that of NFE2L2 was upregulated significantly. Conclusion In the CA-induced rat model, probucol dose dependently improved the ROSC rate, prolonged survival time, alleviated oxidative stress, and improved cardiac function. Such protective effects are possibly through regulations of the KEAP1-NFE2L2 system.
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