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Chen PY, Shen M, Cai SQ, Tang ZW. Association Between Atopic Dermatitis and Aging: Clinical Observations and Underlying Mechanisms. J Inflamm Res 2024; 17:3433-3448. [PMID: 38828054 PMCID: PMC11144009 DOI: 10.2147/jir.s467099] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2024] [Accepted: 05/17/2024] [Indexed: 06/05/2024] Open
Abstract
As one of the most prevalent chronic inflammatory skin diseases, atopic dermatitis (AD) increasingly affects the aging population. Amid the ongoing global aging trend, it's essential to recognize the intricate relationship between AD and aging. This paper reviews existing knowledge, summarizing clinical observations of associations between AD and aging-related diseases in various systems, including endocrine, cardiovascular, and neurological. Additionally, it discusses major theories explaining the correlation, encompassing skin-mucosal barriers, systemic inflammation and stress, genes, signal transduction, and environmental and behavioral factors. The association between AD and aging holds significant importance, both in population and basic perspectives. While further research is warranted, this paper aims to inspire deeper exploration of inflammation/allergy-aging dynamics and the timely management of elderly patients with AD.
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Affiliation(s)
- Peng-Yu Chen
- Department of Dermatology, Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310009, People’s Republic of China
| | - Minxue Shen
- Department of Dermatology, Xiangya Hospital, Central South University, Changsha, 410008, People’s Republic of China
- Hunan Engineering Research Center of Skin Health and Disease; Hunan Key Laboratory of Skin Cancer and Psoriasis (Xiangya Hospital), Changsha, 410008, People’s Republic of China
- Department of Social Medicine and Health Management, Xiangya School of Public Health, Central South University, Changsha, 410078, People’s Republic of China
| | - Sui-Qing Cai
- Department of Dermatology, Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310009, People’s Republic of China
| | - Zhen-Wei Tang
- Department of Dermatology, Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310009, People’s Republic of China
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Gao S, Cheng Q, Hu Y, Fan X, Liang C, Niu C, Kang Q, Wei T. Melatonin antagonizes oxidative stress-induced apoptosis in retinal ganglion cells through activating the thioredoxin-1 pathway. Mol Cell Biochem 2024:10.1007/s11010-024-04924-2. [PMID: 38353878 DOI: 10.1007/s11010-024-04924-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2023] [Accepted: 01/05/2024] [Indexed: 03/28/2024]
Abstract
This study aimed to explore the role of melatonin in oxidative stress-induced injury on retinal ganglion cells and the underlying mechanisms. The immortalized RGC-5 cells were treated with H2O2 to induce oxidative injury. Cell viability was measured by Cell Counting Kit-8, and apoptosis was determined by flow cytometry and western blot assays. Reactive oxygen species (ROS), lactate dehydrogenase (LDH), and malondialdehyde (MDA) levels were examined to evaluate oxidative stress levels. In addition, Thioredoxin-1 (Trx1) was silenced in RGC-5 cells using small interfering RNA followed by signaling pathway examination to explore the underlying mechanisms of melatonin in alleviating oxidative injury. Melatonin pre-treatment significantly alleviated H2O2-induced apoptosis in RGC-5 cells. Melatonin also markedly reversed the upregulation of cleaved-caspase 3, cleaved-caspase 9, and Bax expression and downregulation of Bcl-2 expression induced by H2O2. Further analyses presented that melatonin significantly attenuated the increase of ROS, LDH, and MDA levels in RGC-5 cells after H2O2 treatment. Melatonin also abolished the downregulated expression of Superoxide dismutase type 1, Trx1, and Thioredoxin reductase 1, and the reduced activity of thioredoxin reductase in RGC-5 cells after H2O2 treatment. Notably, Trx1 knockdown significantly mitigated the protective effect of melatonin in alleviating H2O2-induced apoptosis and oxidative stress, while administration of compound C, a common inhibitor of c-Jun N-terminal kinase (JNK) signaling, partially reversed the effect of Trx1 silencing, thereby ameliorating the apoptosis and oxidative injury induced by H2O2 in RGC-5 cells. Melatonin could significantly alleviate oxidative stress-induced injury of retinal ganglion cells via modulating Trx1-mediated JNK signaling pathway.
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Affiliation(s)
- Shan Gao
- Department of Ophthalmology, the First Affiliated Hospital of Xi'an Jiaotong University, No.277 Yanta West Road, Yanta District, Xi'an, 710061, Shaanxi, China
| | - Qiaochu Cheng
- Department of Ophthalmology, the First Affiliated Hospital of Xi'an Jiaotong University, No.277 Yanta West Road, Yanta District, Xi'an, 710061, Shaanxi, China
| | - Yaguang Hu
- Department of Ophthalmology, the First Affiliated Hospital of Xi'an Jiaotong University, No.277 Yanta West Road, Yanta District, Xi'an, 710061, Shaanxi, China
| | - Xiaojuan Fan
- Department of Ophthalmology, the First Affiliated Hospital of Xi'an Jiaotong University, No.277 Yanta West Road, Yanta District, Xi'an, 710061, Shaanxi, China
| | - Chen Liang
- Department of Neurosurgery, the First Affiliated Hospital of Xi'an Jiaotong University, No.277 Yanta West Road, Yanta District, Xi'an, 710061, Shaanxi, China
| | - Chen Niu
- Department of Medical Imaging, the First Affiliated Hospital of Xi'an Jiaotong University, No.277 Yanta West Road, Yanta District, Xi'an, 710061, Shaanxi, China
| | - Qianyan Kang
- Department of Ophthalmology, the First Affiliated Hospital of Xi'an Jiaotong University, No.277 Yanta West Road, Yanta District, Xi'an, 710061, Shaanxi, China
| | - Ting Wei
- Department of Ophthalmology, the First Affiliated Hospital of Xi'an Jiaotong University, No.277 Yanta West Road, Yanta District, Xi'an, 710061, Shaanxi, China.
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Paviani L, Girotto E, Rumiato AC, Rodrigues R, González AD. Association between self-reported food intake and subjective sleep quality among truck drivers in a city in Southern Brazil. DIALOGUES IN HEALTH 2023; 2:100098. [PMID: 38515466 PMCID: PMC10953964 DOI: 10.1016/j.dialog.2023.100098] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 09/27/2022] [Revised: 12/12/2022] [Accepted: 01/05/2023] [Indexed: 03/23/2024]
Abstract
Introduction Sleep is an activity of great importance for maintaining the homeostasis of the human body and some components may interfere with the quality of sleep, including the pattern of food consumption. Truck drivers may constitute a population particularly sensitive to this association, since they are routinely exposed to situations that may interfere with food intake and sleep quality. Thus, this study investigated the association between self-reported food intake and sleep quality in truck drivers. Methods This was a cross-sectional study, with drivers who traveled in a city in southern Brazil. Food intake was evaluated through the average of food intake over the last 30 days. Food intake was evaluated in two forms: division in food groups and evaluation only tryptophan-rich foods. Sleep quality was measured by the Pittsburgh Sleep Quality Index (PSQI). In addition to the descriptive analysis, to identify possible associations between food intake and sleep quality, linear regression, crude and adjusted for confounding variables, were performed to obtain the Beta and Beta adjusted (Betaadj), respectively, and p-value. Results A total of 352 truck drivers, mostly males, mean age 48.4 (±11.6) years, with a frequent consumption of meat, fruits, vegetables, sweets, and energy drinks participated in this study. The frequent consumption of dairy products (Betaadj: --0.614. p-value 0.004) and fruits (Betaadj: --0.342. p-value 0.034) was associated with lower PSQI score, while the consumption of energy drinks was associated with a higher PSQI score (Betaadj: 0.923. p-value <0.001). The frequency of consumption of tryptophan-rich foods was not associated with sleep quality. Conclusion Fruits and dairy products are associated with better subjective sleep quality, while energy drinks are associated with worse sleep quality in truck drivers, whereas dietary tryptophan-rich foods intake was not associated with sleep quality.
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Affiliation(s)
- Letícia Paviani
- Universidade Estadual de Londrina, Postgraduate Program in Public Health, Londrina, Paraná, Brazil
| | - Edmarlon Girotto
- Universidade Estadual de Londrina, Postgraduate Program in Public Health, Londrina, Paraná, Brazil
- Universidade Estadual de Londrina, Department of Pharmaceutical Science, Londrina, Paraná, Brazil
| | - Anne Cristine Rumiato
- Universidade Estadual de Londrina, Department Pathology and Clinical Analysis, Londrina, Paraná, Brazil
| | - Renne Rodrigues
- Universidade Estadual de Londrina, Postgraduate Program in Public Health, Londrina, Paraná, Brazil
- Universidade Estadual de Londrina, Department of Public Health, Londrina, Paraná, Brazil
| | - Alberto Durán González
- Universidade Estadual de Londrina, Postgraduate Program in Public Health, Londrina, Paraná, Brazil
- Universidade Estadual de Londrina, Department of Public Health, Londrina, Paraná, Brazil
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del Amo LL, Durán-González E, Ramírez-Tejero JA, Martínez-Lara A, Cotán D. Study protocol for FIBROKIT: a new tool for fibromyalgia diagnosis and patient follow-up. Front Neurol 2023; 14:1286539. [PMID: 38073622 PMCID: PMC10710143 DOI: 10.3389/fneur.2023.1286539] [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: 08/31/2023] [Accepted: 11/06/2023] [Indexed: 02/27/2024] Open
Abstract
Fibromyalgia (FM) is a complex disease that is characterized by chronic musculoskeletal pain and has great economic impact. FM prevalence is about 2% to 4% worldwide, affecting mainly middle-aged women, and its complex pathophysiology complicates diagnosis, treatment and the findings of solid biomarkers. Previous studies have suggested an association between the disease and oxidative stress, mitochondrial metabolism, intestinal microbiota and inflammation, providing sufficient data to support the multifactorial origin of FM. Hence, the objective of this randomized, prospective, low-interventional, double-blinded and placebo-controlled clinical trial is the development of a specific panel of FM biomarkers and the evaluation of their response to a six-month nutritional intervention based on the Mediterranean diet supplemented with extra virgin olive oil (EVOO). For this purpose, the experimental design implies the recruitment of a large cohort of female Spanish patients. Middle-aged women who meet the diagnostic criteria for FM according to the American College of Rheumatology (ACR) will be eligible, along with age-matched healthy women. Both groups will be randomly divided into placebo (olive oil, OO) and treatment groups (extra virgin olive oil, EVOO), and will provide samples at the beginning (T0), after 3 months of nutritional intervention (T1), at the end of the nutritional intervention in 6 months (T2), and 6 months after the end of nutritional intervention (TF), being enrolled for 1 year. Data will be collected through health questionnaires, and whole blood and stool samples will be taken and analyzed. Blood will be used for western-blotting and proteomic analysis of mitochondrial homeostasis and plasma proteome, while stool will undergo metagenomic analysis, respectively. This study represents the first low-interventional investigation with more than 200 participants focused on exploring the association of oxidative stress, mitochondrial metabolism, intestinal microbiota and related pathways with a nutritional intervention in the context of FM. As a result, the outcomes of this study will significantly contribute to the development of a comprehensive and robust panel of diagnostic biomarkers, and will shed some light on their modulation with non-pharmacological therapies such as nutrition. Clinical trial registration: https://clinicaltrials.gov/study/NCT05921409, identifier: NCT05921409.
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Şenol N, Şahin M, Şahin U. Protective effect of juglone on electric field-induced apoptosis and inflammation in liver and kidney tissue in rats. Res Vet Sci 2023; 164:104987. [PMID: 37659348 DOI: 10.1016/j.rvsc.2023.104987] [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: 01/12/2023] [Revised: 07/23/2023] [Accepted: 08/20/2023] [Indexed: 09/04/2023]
Abstract
Electric field (EF) has been shown to cause tissue damage mainly through oxidative stress, inflammation, and apoptosis. Thus, juglone (5-hydroxy-1,4-naphthoquinone) (JUG), which has antioxidant and antiapoptotic properties, is thought to be effective against electric field-induced damage. We aimed to investigate whether 50 Hz alternating current (AC) triggers inflammation and apoptosis in rat liver and kidney tissues and evaluate the JUG supplement's estimated protective effect. Twenty-four adult male wistar albino rats were divided into control, EF and EF + JUG groups, each containing eight rats. The EF and EF + JUG groups were exposed to EF while no EF exposure and JUG were applied to the control group. At the end of the experiment, liver and kidney tissues were collected for histological (H&E, caspase-3 and TNF-α for immunohistochemical staining), and genetics (SOCS, caspase-3 and TNF-α, PCR analyses). After routine histological procedures, sections stained with H&E showed significant changes in liver and kidney tissues in the EF group compared to the control group (p < 0.05). Significant protective effects were observed in the building volumes and histopathology in the EF + JUG group (p < 0.05). Our gene expression results increased the expression of caspase-3 and TNF-α in the EF group (p < 0.001). Juglone increased SOCS expression (p < 0.001). These findings were consistent with the anti-apoptotic and anti-inflammatory effects of JUG treatment. We reasoned that exposure to EF damaged rat liver and kidney tissues and administration of JUG alleviated the complications caused by 50 Hz EF.
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Affiliation(s)
- Nurgül Şenol
- Department of Nutrition and Dietetics, Faculty of Health Sciences, University of Süleyman Demirel, Isparta, Türkiye
| | - Melda Şahin
- Department of Bioengineering, Institute of Science, University of Süleyman Demirel, Isparta, Türkiye.
| | - Uğur Şahin
- Department of Chemistry, Faculty of Art and Science, University of Süleyman Demirel, Isparta, Türkiye; Genetic Research Unit, Innovative Technologies Application and Research Center, University of Süleyman Demirel, Isparta, Türkiye
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Wang L, Xu R, Huang C, Yi G, Li Z, Zhang H, Ye R, Qi S, Huang G, Qu S. Targeting the ferroptosis crosstalk: novel alternative strategies for the treatment of major depressive disorder. Gen Psychiatr 2023; 36:e101072. [PMID: 37901286 PMCID: PMC10603325 DOI: 10.1136/gpsych-2023-101072] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/29/2023] [Accepted: 09/04/2023] [Indexed: 10/31/2023] Open
Abstract
Depression is a major contributor to poor global health and disability, with a recently increasing incidence. Although drug therapy is commonly used to treat depression, conventional antidepressant drugs have several disadvantages, including slow onset, low response rates and severe adverse effects. Therefore, developing effective therapies for depression remains challenging. Although various aetiological theories of depression exist, the underlying mechanisms of depression are complex, and further research is crucial. Moreover, oxidative stress (OS)-induced lipid peroxidation has been demonstrated to trigger ferroptosis. Both OS and ferroptosis are pivotal mechanisms implicated in the pathogenesis of neurological disorders, and investigation of the mediators involved in these processes has emerged as a prominent and active research direction. One previous study revealed that regulatory proteins involved in ferroptosis are implicated in the pathogenesis of depression, and antidepressant drugs could reverse depressive symptoms by inhibiting ferroptosis in vivo, suggesting an important role of ferroptosis in the pathogenesis of depression. Hence, our current comprehensive review offers an up-to-date perspective on the intricate mechanisms involved, specifically concerning ferroptosis and OS in the context of depression, along with promising prospects for using molecular mediators to target ferroptosis. We delineate the key targets of molecular mediators involved in OS and ferroptosis implicated in depression, most notably reactive oxygen species and iron overload. Considering the pivotal role of OS-induced ferroptosis in the pathogenesis of neurological disorders, delving deeper into the underlying subsequent mechanisms will contribute significantly to the identification of novel therapeutic targets for depression.
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Affiliation(s)
- Luyao Wang
- Department of Neurosurgery, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, China
- The Laboratory for Precision Neurosurgery, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, China
| | - Rongyang Xu
- Department of Neurosurgery, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, China
- The Laboratory for Precision Neurosurgery, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, China
| | - Chengying Huang
- The Laboratory for Precision Neurosurgery, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, China
| | - Guozhong Yi
- Department of Neurosurgery, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, China
| | - Zhiyong Li
- Department of Neurosurgery, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, China
| | - Huayang Zhang
- The Laboratory for Precision Neurosurgery, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, China
| | - Rongxu Ye
- The Laboratory for Precision Neurosurgery, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, China
| | - Songtao Qi
- Department of Neurosurgery, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, China
- Institute of Brain Disease, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, China
| | - Guanglong Huang
- Department of Neurosurgery, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, China
- Institute of Brain Disease, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, China
| | - Shanqiang Qu
- Department of Neurosurgery, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, China
- The Laboratory for Precision Neurosurgery, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, China
- Institute of Brain Disease, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, China
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Nouni C, Theodosis-Nobelos P, Rekka EA. Antioxidant and Hypolipidemic Activities of Cinnamic Acid Derivatives. Molecules 2023; 28:6732. [PMID: 37764507 PMCID: PMC10535275 DOI: 10.3390/molecules28186732] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2023] [Revised: 09/14/2023] [Accepted: 09/19/2023] [Indexed: 09/29/2023] Open
Abstract
Oxidative stress and hyperlipidemia are important factors for the initiation and progression of various cell degenerative pathological conditions, including cardiovascular and neurological diseases. A series of cinnamic acid-derived acids, such as ferulic acid, sinapic acid, 3,4-dimethoxycinnamic acid, p-coumaric acid, and (E)-3-(3,5-di-tert-butyl-4-hydroxyphenyl)acrylic acid, were esterified or amidated with various moieties, bearing different biological activities, and evaluated. The antioxidant and radical scavenging abilities of the compounds via inhibition of rat hepatic microsomal membrane lipid peroxidation, as well as their interaction with the stable radical 2,2-diphenyl-1-picrylhydrazyl (DPPH), were assessed. Further, their hypolipidemic activity in vivo was tested. The majority of the obtained compounds demonstrated considerable radical scavenging and antioxidant action, with a parallel decrease in Triton-induced hyperlipidemia in rats. The (E)-3-(3,5-di-tert-butyl-4-hydroxyphenyl)acrylic acid derivative with morpholine and 4-methylpiperidine (compounds 4 and 13, respectively) significantly decreased triglycerides and total cholesterol in the plasma of hyperlipidemic rats, with an antioxidant capacity similar to that of the antioxidant Trolox. The compounds were designed to exhibit antioxidant and hypolipidemic pharmacological actions, and this succeeded for the majority of them. Thus, such agents may be of interest in conditions and diseases implicating oxidative stress and dyslipidemia.
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Affiliation(s)
- Christina Nouni
- Department of Pharmaceutical Chemistry, School of Pharmacy, Aristotelian University of Thessaloniki, 54124 Thessaloniki, Greece
| | | | - Eleni A. Rekka
- Department of Pharmaceutical Chemistry, School of Pharmacy, Aristotelian University of Thessaloniki, 54124 Thessaloniki, Greece
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Blagov AV, Orekhova VA, Sukhorukov VN, Melnichenko AA, Orekhov AN. Potential Use of Antioxidant Compounds for the Treatment of Inflammatory Bowel Disease. Pharmaceuticals (Basel) 2023; 16:1150. [PMID: 37631065 PMCID: PMC10458684 DOI: 10.3390/ph16081150] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2023] [Revised: 07/29/2023] [Accepted: 08/11/2023] [Indexed: 08/27/2023] Open
Abstract
Since inflammatory bowel diseases (IBDs) are chronic, the development of new effective therapeutics to combat them does not lose relevance. Oxidative stress is one of the main pathological processes that determines the progression of IBD. In this regard, antioxidant therapy seems to be a promising approach. The role of oxidative stress in the development and progression of IBD is considered in detail in this review. The main cause of oxidative stress in IBD is an inadequate response of leukocytes to dysbiosis and food components in the intestine. Passage of immune cells through the intestinal barrier leads to increased ROS concentration and the pathological consequences of exposure to oxidative stress based on the development of inflammation and impaired intestinal permeability. To combat oxidative stress in IBD, several promising natural (curcumin, resveratrol, quercetin, and melatonin) and artificial antioxidants (N-acetylcysteine (NAC) and artificial superoxide dismutase (aSOD)) that had been shown to be effective in a number of clinical trials have been proposed. Their mechanisms of action on pathological events in IBD and clinical manifestations from their impact have been determined. The prospects for the use of other antioxidants that have not yet been tested in the treatment of IBD, but have the properties of potential therapeutic candidates, have been also considered.
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Affiliation(s)
- Alexander V. Blagov
- Laboratory of Angiopathology, Institute of General Pathology and Pathophysiology, 8 Baltiiskaya Street, Moscow 125315, Russia; (V.A.O.); (V.N.S.); (A.A.M.)
| | - Varvara A. Orekhova
- Laboratory of Angiopathology, Institute of General Pathology and Pathophysiology, 8 Baltiiskaya Street, Moscow 125315, Russia; (V.A.O.); (V.N.S.); (A.A.M.)
- Institute for Atherosclerosis Research, Osennyaya Street 4-1-207, Moscow 121609, Russia
| | - Vasily N. Sukhorukov
- Laboratory of Angiopathology, Institute of General Pathology and Pathophysiology, 8 Baltiiskaya Street, Moscow 125315, Russia; (V.A.O.); (V.N.S.); (A.A.M.)
- Institute for Atherosclerosis Research, Osennyaya Street 4-1-207, Moscow 121609, Russia
| | - Alexandra A. Melnichenko
- Laboratory of Angiopathology, Institute of General Pathology and Pathophysiology, 8 Baltiiskaya Street, Moscow 125315, Russia; (V.A.O.); (V.N.S.); (A.A.M.)
| | - Alexander N. Orekhov
- Laboratory of Angiopathology, Institute of General Pathology and Pathophysiology, 8 Baltiiskaya Street, Moscow 125315, Russia; (V.A.O.); (V.N.S.); (A.A.M.)
- Institute for Atherosclerosis Research, Osennyaya Street 4-1-207, Moscow 121609, Russia
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Lopes FF, Lamberty Faverzani J, Hammerschmidt T, Aguilar Delgado C, Ferreira de Oliveira J, Wajner M, Regla Vargas C. Evaluation of oxidative damage to biomolecules and inflammation in patients with urea cycle disorders. Arch Biochem Biophys 2023; 736:109526. [PMID: 36702451 DOI: 10.1016/j.abb.2023.109526] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2022] [Revised: 01/11/2023] [Accepted: 01/22/2023] [Indexed: 01/26/2023]
Abstract
Urea cycle disorders (UCD) are inborn errors of metabolism that occur due to a loss of function in enzymes and transporters involved in the urea cycle, causing an intoxication by hyperammonemia and accumulation of metabolites. Patients can develop hepatic encephalopathy (HE), severe neurological and motor disabilities, and often death. The mechanisms involved in the pathophysiology of UCD are many and complex, but there are strong indications that oxidative stress and inflammation are present, being responsible for at least part of the cellular damage that occurs in these diseases. The aim of this study was to evaluate oxidative and nitrosative damage and inflammation in UCD, to better understand the pathophysiology mechanisms of these diseases. We evaluated the nitrite and nitrate content, thiobarbituric acid-reactive substances (TBARS), carbonyl protein content and a panel of cytokines in plasma sample of 14 patients. The UCD patients group consisted of individuals affected with ornithine transcarbamylase deficiency (n = 8), carbamoyl phosphate synthetase deficiency (n = 2), argininosuccinate synthetase deficiency (n = 2); arginase 1 deficiency (n = 1) and argininosuccinate lyase deficiency (n = 1). Patients mean age at diagnosis was 5.25 ± 9.86 years-old and mean concentrations were compared with healthy individuals of matched age and gender. We found a significant reduction in nitrogen reactive species in patients when compared to controls. TBARS was increased in patients, indicating lipid peroxidation. To evaluate protein oxidative damage in UCD, the carbonyl content was measured, and the results also demonstrated an increase in this biomarker. Finally, we found that UCD patients have enhanced concentrations of cytokines, with pro-inflammatory interleukins IL-6, IL-8, interferon-γ and TNF-α, and anti-inflammatory IL-10 being increased when compared to the control group. In conclusion, our results demonstrate that oxidative stress and inflammation occurs in UCD and probably contribute to the severe brain damage present in patients.
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Affiliation(s)
- Franciele Fátima Lopes
- Programa de Pós-Graduação em Ciências Farmacêuticas, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil; Faculdade de Farmácia, Universidade Federal do Rio Grande do Sul, UFRGS, Brazil; Serviço de Genética Médica, Hospital de Clínicas de Porto Alegre, Porto Alegre, Brazil.
| | - Jéssica Lamberty Faverzani
- Programa de Pós-Graduação em Ciências Farmacêuticas, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil; Faculdade de Farmácia, Universidade Federal do Rio Grande do Sul, UFRGS, Brazil; Serviço de Genética Médica, Hospital de Clínicas de Porto Alegre, Porto Alegre, Brazil
| | - Tatiane Hammerschmidt
- Programa de Pós-Graduação em Ciências Farmacêuticas, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil; Faculdade de Farmácia, Universidade Federal do Rio Grande do Sul, UFRGS, Brazil; Serviço de Genética Médica, Hospital de Clínicas de Porto Alegre, Porto Alegre, Brazil
| | - Camila Aguilar Delgado
- Programa de Pós-Graduação em Ciências Biológicas: Bioquímica, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil; Serviço de Genética Médica, Hospital de Clínicas de Porto Alegre, Porto Alegre, Brazil
| | - Julia Ferreira de Oliveira
- Faculdade de Farmácia, Universidade Federal do Rio Grande do Sul, UFRGS, Brazil; Serviço de Genética Médica, Hospital de Clínicas de Porto Alegre, Porto Alegre, Brazil
| | - Moacir Wajner
- Programa de Pós-Graduação em Ciências Biológicas: Bioquímica, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil; Serviço de Genética Médica, Hospital de Clínicas de Porto Alegre, Porto Alegre, Brazil
| | - Carmen Regla Vargas
- Programa de Pós-Graduação em Ciências Farmacêuticas, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil; Programa de Pós-Graduação em Ciências Biológicas: Bioquímica, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil; Faculdade de Farmácia, Universidade Federal do Rio Grande do Sul, UFRGS, Brazil; Serviço de Genética Médica, Hospital de Clínicas de Porto Alegre, Porto Alegre, Brazil.
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Abiramalatha T, Ramaswamy VV, Bandyopadhyay T, Somanath SH, Shaik NB, Kallem VR, Pullattayil AK, Kaushal M. Adjuvant therapy in neonatal sepsis to prevent mortality - A systematic review and network meta-analysis. J Neonatal Perinatal Med 2022; 15:699-719. [PMID: 36189501 DOI: 10.3233/npm-221025] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
BACKGROUND Despite appropriate antibiotic therapy, the risk of mortality in neonatal sepsis still remains high. We conducted a systematic review to comprehensively evaluate different adjuvant therapies in neonatal sepsis in a network meta-analysis. METHODS We included randomized controlled trials (RCTs) and quasi-RCTs that evaluated adjuvant therapies in neonatal sepsis. Neonates of all gestational and postnatal ages, who were diagnosed with sepsis based on blood culture or sepsis screen were included. We searched MEDLINE, CENTRAL, EMBASE and CINAHL until 12th April 2021 and reference lists. Data extraction and risk of bias assessment were performed in duplicate. A network meta-analysis with bayesian random-effects model was used for data synthesis. Certainty of evidence (CoE) was assessed using GRADE. RESULTS We included 45 studies involving 6,566 neonates. Moderate CoE showed IVIG [Relative Risk (RR); 95% Credible Interval (CrI): 1.00; (0.67-1.53)] as an adjunctive therapy probably does not reduce all-cause mortality before discharge, compared to standard care. Melatonin [0.12 (0-0.08)] and granulocyte transfusion [0.39 (0.19-0.76)] may reduce mortality before discharge, but CoE is very low. The evidence is also very uncertain regarding other adjunctive therapies to reduce mortality before discharge. Pentoxifylline may decrease the duration of hospital stay [Mean difference; 95% CrI: -7.48 days (-14.50-0.37)], but CoE is very low. CONCLUSION Given the biological plausibility for possible efficacy of these adjuvant therapies and that the CoE from the available trials is very low to low except for IVIG, we need large adequately powered RCTs to evaluate these therapies in sepsis in neonates.
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Affiliation(s)
- T Abiramalatha
- Associate Professor of Neonatology, KMCH Institute of Health Sciences and Research, Coimbatore, Tamil Nadu, India
| | - V V Ramaswamy
- Consultant Neonatologist, Ankura Hospital for Women and Children, Hyderabad, India
| | - T Bandyopadhyay
- Departmentof Neonatology, Dr. Ram Manohar Lohia Hospital & Post Graduate Institute of Medical Education and Research, New Delhi, India
| | - S H Somanath
- Department of Neonatology, All India Institute of Medical Sciences, Mangalagiri, India
| | - N B Shaik
- Consultant Neonatologist, Ankura Hospital for Women and Children, Hyderabad, India
| | - V R Kallem
- Consultant Neonatologist, Paramitha Children's Hospital, Hyderabad, India
| | - A K Pullattayil
- Health Sciences Librarian, Queen's University, Kingston, Canada
| | - M Kaushal
- Consultant Neonatologist and Head of Department, Emirates Specialty Hospital, DHCC, U.A.E
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11
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Chaudhary S, Parvez S. Neuroprotective Effects of Natural Antioxidants Against Branched-Chain Fatty Acid-Induced Oxidative Stress in Cerebral Cortex and Cerebellum Regions of the Rat Brain. ACS OMEGA 2022; 7:38269-38276. [PMID: 36340064 PMCID: PMC9631910 DOI: 10.1021/acsomega.2c00163] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
Valproic acid (VPA) is short branched-chain fatty acid (BCFA) derived from valeric acids which are naturally produced by Valeriana officinalis (flowering plant). Neurotoxicity caused by BCFA-like VPA may be mediated by oxidative stress, according to research involving the cerebral cortex and cerebellum. In the present study, we explored the possible protective effect of different antioxidants such as melatonin, quercetin, and piperine on VPA exposure by using a supernatant preparation of the cerebral cortex and cerebellum regions of the rat brain. The present study revealed that melatonin, quercetin, and piperine significantly prevented VPA-induced oxidative stress in the cerebral cortex and cerebellum regions. VPA was also observed to lower the level of reduced glutathione, and this effect was significantly mitigated by these antioxidants. Melatonin, quercetin, and piperine also ameliorated and altered the activities of AChE, Na+, K+ATPase, and MAO in the cerebral cortex and cerebellum. Results of this study also suggest that prior treatment of antioxidants like melatonin, quercetin, and piperine helps in combating the oxidative stress induced by VPA in the cerebral cortex and cerebellum region of the rat brain. Thus, sufficient dietary intake of these antioxidants by individuals at high risk of VPA exposure could prove beneficial in combating the adverse effect of VPA.
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Affiliation(s)
| | - Suhel Parvez
- . Phone: +91 11 26059688x5573. Fax: +91 11 26059663
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12
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Shaban NZ, Mohammed AS, Abu-Serie MM, Maher AM, Habashy NH. Inhibition of oxidative stress, IL-13, and WNT/β-catenin in ovalbumin-sensitized rats by a novel organogel of Punica granatum seed oil saponifiable fraction. Biomed Pharmacother 2022; 154:113667. [PMID: 36942603 DOI: 10.1016/j.biopha.2022.113667] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2022] [Revised: 08/31/2022] [Accepted: 09/05/2022] [Indexed: 12/19/2022] Open
Abstract
Bronchial asthma is a chronic inflammatory disease marked by inflammation, oxidative stress, and structural remodeling. Here, we prepared two pomegranate fractions from the seed oil, saponifiable (Sap) and unsaponifiable (UnSap). Two organogels (Orgs) were also formulated with the Sap (Org1) or the UnSap (Org2) fraction and beeswax (BW). All preparations were evaluated in vitro for their antioxidant and anti-inflammatory impacts. The transdermal delivery of the most efficient one was evaluated against ovalbumin (OV)-induced bronchial asthma in rats compared to dexamethasone (DEX). The results showed that the prepared pomegranate fractions and BW had considerable amounts of phenolics (flavonoids and tannins) and triterpenoids. Org1 was shown to be the most effective antioxidant and anti-inflammatory fraction with synergistic activities (combination index, 1), as well as having protective and therapeutic influences on OV-sensitized rats. Org1 inhibited the multiple OV-induced signaling pathways, comprising ROS, WNT/β-catenin, and AKT, with an efficiency superior to DEX. Subsequently, the pro-inflammatory (COX-2, NO, and IL-13), and pro-fibrotic (COL1A1) mediators, oxidative stress, and mucin secretion, were all down-regulated. These outcomes were verified by the histopathological results of lung tissue. Collectively, these outcomes suggest that the transdermal delivery of Org1 to OV-sensitized rats shows promise in the protection and treatment of the pathological hallmarks of asthma.
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Affiliation(s)
- Nadia Z Shaban
- Biochemistry Department, Faculty of Science, Alexandria University, Alexandria, Egypt
| | - Alaa S Mohammed
- Biochemistry Department, Faculty of Science, Alexandria University, Alexandria, Egypt
| | - Marwa M Abu-Serie
- Department of Medical Biotechnology, Genetic Engineering, and Biotechnology Research Institute, City of Scientific Research and Technological Applications (SRTA-City), New Borg EL-Arab 21934, Alexandria, Egypt
| | - Adham M Maher
- Biochemistry Department, Faculty of Science, Alexandria University, Alexandria, Egypt
| | - Noha H Habashy
- Biochemistry Department, Faculty of Science, Alexandria University, Alexandria, Egypt.
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13
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Shaban NZ, Sleem AA, Abu-Serie MM, Maher AM, Habashy NH. Regulation of the NF-κB signaling pathway and IL-13 in asthmatic rats by aerosol inhalation of the combined active constituents of Punica granatum juice and peel. Biomed Pharmacother 2022; 155:113721. [PMID: 36152413 DOI: 10.1016/j.biopha.2022.113721] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2022] [Revised: 09/13/2022] [Accepted: 09/19/2022] [Indexed: 12/22/2022] Open
Abstract
Bronchial asthma is a chronic inflammatory airway illness. For the first time, we evaluated the proposed anti-asthmatic protective and therapeutic potency of inhaling Punica granatum juice (PJE) and peel (PPE) extract mixture (PM). Rats were challenged with ovalbumin (OVA) for 23 days and aerosolized with PM before each OVA challenge (protected group) or following the final OVA challenge for 3 days (therapeutic group). Considerable concentrations of phenolics were detected in PJE and PPE. Therefore, PM demonstrated synergistic scavenging abilities of NO and DPPH radicals. It also showed synergistic anti-inflammatory activities against lipopolysaccharide (LPS)-induced inflammation in the white blood cells by lowering the gene expression of CXCR1, CXCR2, IL-6, and IL-8. In addition, PM increased IL-10 gene expression while decreasing NO and TNF-α levels in LPS-exposed cells. Regarding the rats that were protected with PM, they exerted pulmonary pro-oxidant effects but prevented the OVA-induced upregulation of NF-κB, IKK, TNF-α, COX-2, iNOS, IL-13, and COL1A1, as well as MUC5AC and mucin over-secretion. While PM in the therapeutic group improved reactive oxygen species levels and normalized most of the investigated inflammatory and fibrotic mediators and mucin formation, but slightly improved the antioxidant indices. In addition, OVA-induced morphological alterations were massively improved after PM inhalation for short or long periods. Thus, PM inhalation prevented and treated OVA-induced pulmonary inflammation and fibrosis, while the inhalation period between 3 and 23 days needs to be optimized to acquire a better impact on the antioxidant indices.
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Affiliation(s)
- Nadia Z Shaban
- Biochemistry Department, Faculty of Science, Alexandria University, Alexandria 21511, Egypt
| | - Alyaa A Sleem
- Biochemistry Department, Faculty of Science, Alexandria University, Alexandria 21511, Egypt
| | - Marwa M Abu-Serie
- Department of Medical Biotechnology, Genetic Engineering, and Biotechnology Research Institute, City of Scientific Research and Technological Applications (SRTA-City), New Borg EL-Arab, Alexandria 21934, Egypt
| | - Adham M Maher
- Biochemistry Department, Faculty of Science, Alexandria University, Alexandria 21511, Egypt
| | - Noha H Habashy
- Biochemistry Department, Faculty of Science, Alexandria University, Alexandria 21511, Egypt.
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14
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Targhazeh N, Hutt KJ, Winship AL, Reiter R, Yousefi B. Melatonin as an oncostatic agent: Review of the modulation of tumor microenvironment and overcoming multidrug resistance. Biochimie 2022; 202:71-84. [PMID: 36116742 DOI: 10.1016/j.biochi.2022.09.010] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2022] [Revised: 09/01/2022] [Accepted: 09/12/2022] [Indexed: 11/25/2022]
Abstract
Multi drug resistance (MDR) generally limits the efficacy of chemotherapy in cancer patients and can be categorized into primary or acquired resistance. Melatonin (MLT), a lipophilic hormone released from pineal gland, is a molecule with oncostatic effects. Here, we will briefly review the contribution of different microenvironmental components including fibroblasts, immune and inflammatory cells, stem cells and vascular endothelial cells in tumor initiation, progression and development. Then, the mechanisms by which MLT can potentially affect these elements and regulate drug resistance will be presented. Finally, we will explain how different studies have used novel strategies incorporating MLT to suppress cancer resistance against therapeutics.
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Affiliation(s)
- Niloufar Targhazeh
- Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran; Immunology Research Center, Medicine Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Karla J Hutt
- Development and Stem Cell Program and Department of Anatomy and Developmental Biology, Biomedicine Discovery Institute, Monash University, Clayton, Victoria, Australia
| | - Amy L Winship
- Development and Stem Cell Program and Department of Anatomy and Developmental Biology, Biomedicine Discovery Institute, Monash University, Clayton, Victoria, Australia
| | - Russel Reiter
- Department of Cellular and Structural Biology, The University of Texas Health Science Center, San Antonio, TX, USA.
| | - Bahman Yousefi
- Drug Applied Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.
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15
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Sandys O, Te Velde A. Raising the Alarm: Environmental Factors in the Onset and Maintenance of Chronic (Low-Grade) Inflammation in the Gastrointestinal Tract. Dig Dis Sci 2022; 67:4355-4368. [PMID: 34981314 DOI: 10.1007/s10620-021-07327-1] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/27/2021] [Accepted: 11/10/2021] [Indexed: 12/12/2022]
Abstract
Chronic inflammatory disease of the gastrointestinal (GI) tract is defined by several pathophysiological characteristics, such as dysbiosis of the microbiota, epithelial barrier hyperpermeability, systemic dissemination of endotoxins and chronic inflammation. In addition to well-reported environmental factors in non-communicable disease, such as smoking, diet, and exercise, humans are frequently exposed to myriads more environmental factors, from pesticides to food additives. Such factors are ubiquitous across both our diet and indoor/outdoor environments. A major route of human exposure to these factors is ingestion, which frequently occurs due to their intentional addition (intentional food additives) and/or unintentional contamination (unintentional food contaminants) of food products-often linked to environmental pollution. Understanding how this persistent, diverse exposure impacts GI health is of paramount importance, as deterioration of the GI barrier is proposed to be the first step towards systemic inflammation and chronic disease. Therefore, we aim to evaluate the impact of ingestion of environmental factors on inflammatory processes in the GI tract. In this review, we highlight human exposure to intentional food additives (e.g. emulsifiers, bulking agents) and unintentional food contaminants (e.g. persistent organic pollutants, pesticides, microplastics), then present evidence for their association with chronic disease, modification of the GI microbiota, increased permeability of the GI barrier, systemic dissemination of endotoxins, local (and distal) pro-inflammatory signalling, and induction of oxidative stress and/or endoplasmic reticulum stress. We also propose a link to NLRP3-inflammasome activation. These findings highlight the contribution of common environmental factors towards deterioration of GI health and the induction of pathophysiology associated with onset and maintenance of chronic inflammation in the GI tract.
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Affiliation(s)
- Oliver Sandys
- Amsterdam UMC, University of Amsterdam, Tytgat Institute for Liver and Intestinal Research, AGEM, Amsterdam, The Netherlands
- Vrije Universiteit Amsterdam, Amsterdam, The Netherlands
| | - Anje Te Velde
- Amsterdam UMC, University of Amsterdam, Tytgat Institute for Liver and Intestinal Research, AGEM, Amsterdam, The Netherlands.
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16
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Riviere E, Rossi SP, Tavalieri YE, Muñoz de Toro MM, Calandra RS, Mayerhofer A, Matzkin ME, Frungieri MB. Pleiotropic actions of melatonin in testicular peritubular myoid cells of immature Syrian hamsters. Biochim Biophys Acta Gen Subj 2022; 1866:130187. [PMID: 35691458 DOI: 10.1016/j.bbagen.2022.130187] [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: 04/04/2022] [Revised: 05/30/2022] [Accepted: 06/04/2022] [Indexed: 10/18/2022]
Abstract
BACKGROUND Peritubular myoid cells are emerging as key regulators of testicular function in adulthood. However, little is known about the role of testicular peritubular myoid cells (TPMCs) in the development of the male gonad. We found that, compared to testes of young adult hamsters, gonads of 21 day-old animals show increased melatonin concentration, seminiferous tubular wall thickening and a heterogeneous packaging of its collagen fibers thus raising the question whether melatonin may be involved in the regulation of TPMCs. METHODS We established primary cultures of TPMCs from immature hamsters (ihaTPMCs), which we found express melatonergic receptors. RESULTS Exogeneous melatonin decreased the levels of inflammatory markers (NLRP3 inflammasome, IL1β) but increased the expression of cyclooxygenase 2 (COX2, key enzyme mediating prostaglandin synthesis) and of the glial cell line-derived neurotrophic factor (GDNF) in ihaTPMCs. Melatonin also stimulated ihaTPMCs proliferation and the expression of extracellular matrix proteins such as collagen type I and IV. Furthermore, collagen gel contraction assays revealed an enhanced ability of ihaTPMCs to contract in the presence of melatonin. CONCLUSION Melatonin regulates immune and inflammatory functions as well as contractile phenotype of the peritubular wall in the hamster testis. GENERAL SIGNIFICANCE If transferable to the in vivo situation, melatonin-dependent induction of ihaTPMCs to produce factors known to exert paracrine effects in other somatic cell populations of the gonad suggests that the influence of melatonin may go beyond the peritubular wall and indicates its contribution to testicular development and the establishment of a normal and sustainable spermatogenesis.
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Affiliation(s)
- Eugenia Riviere
- Instituto de Biología y Medicina Experimental, IBYME-CONICET, Ciudad de Buenos Aires C1428ADN, Argentina
| | - Soledad P Rossi
- Instituto de Biología y Medicina Experimental, IBYME-CONICET, Ciudad de Buenos Aires C1428ADN, Argentina; Cátedra de Bioquímica Humana, Facultad de Medicina, Universidad de Buenos Aires, Ciudad de Buenos Aires C1121ABG, Argentina
| | - Yamil E Tavalieri
- Instituto de Salud y Ambiente del Litoral (ISAL, UNL-CONICET), Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral, Santa Fe 3000, Argentina
| | - Mónica M Muñoz de Toro
- Instituto de Salud y Ambiente del Litoral (ISAL, UNL-CONICET), Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral, Santa Fe 3000, Argentina
| | - Ricardo S Calandra
- Instituto de Biología y Medicina Experimental, IBYME-CONICET, Ciudad de Buenos Aires C1428ADN, Argentina
| | - Artur Mayerhofer
- Cell Biology, Anatomy III, Faculty of Medicine, Biomedical Center Munich (BMC), Ludwig-Maximilian-University (LMU), 82152 Martinsried, Germany
| | - María E Matzkin
- Instituto de Biología y Medicina Experimental, IBYME-CONICET, Ciudad de Buenos Aires C1428ADN, Argentina; Cátedra de Bioquímica Humana, Facultad de Medicina, Universidad de Buenos Aires, Ciudad de Buenos Aires C1121ABG, Argentina
| | - Mónica B Frungieri
- Instituto de Biología y Medicina Experimental, IBYME-CONICET, Ciudad de Buenos Aires C1428ADN, Argentina; Cátedra de Química, Ciclo Básico Común, Ciudad de Buenos Aires C1405CAE, Argentina.
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17
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Blanco JR, Verdugo-Sivianes EM, Amiama A, Muñoz-Galván S. The circadian rhythm of viruses and its implications on susceptibility to infection. Expert Rev Anti Infect Ther 2022; 20:1109-1117. [PMID: 35546444 DOI: 10.1080/14787210.2022.2072296] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
INTRODUCTION Circadian genes have an impact on multiple hormonal, metabolic, and immunological pathways and have recently been implicated in some infectious diseases. AREAS COVERED We review aspects related to the current knowledge about circadian rhythm and viral infections, their consequences, and the potential therapeutic options. EXPERT OPINION Expert opinion: In order to address a problem, it is necessary to know the topic in depth. Although in recent years there has been a growing interest in the role of circadian rhythms, many relevant questions remain to be resolved. Thus, the mechanisms linking the circadian machinery against viral infections are poorly understood. In a clear approach to personalized precision medicine, in order to treat a disease in the most appropriate phase of the circadian rhythm, and in order to achieve the optimal efficacy, it is highly recommended to carry out studies that improve the knowledge about the circadian rhythm.
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Affiliation(s)
- José-Ramon Blanco
- Servicio de Enfermedades Infecciosas, Hospital Universitario San Pedro, Logroño, Spain.,Centro de Investigación Biomédica de La Rioja (CIBIR), Logroño, Spain
| | - Eva M Verdugo-Sivianes
- Instituto de Biomedicina de Sevilla, IBIS, Hospital Universitario Virgen del Rocío, Universidad de Sevilla, Consejo Superior de Investigaciones Científicas, Sevilla, Spain.,CIBERONC, Instituto de Salud Carlos III, Madrid, Spain
| | - Ana Amiama
- Centro de Investigación Biomédica de La Rioja (CIBIR), Logroño, Spain
| | - Sandra Muñoz-Galván
- Instituto de Biomedicina de Sevilla, IBIS, Hospital Universitario Virgen del Rocío, Universidad de Sevilla, Consejo Superior de Investigaciones Científicas, Sevilla, Spain.,CIBERONC, Instituto de Salud Carlos III, Madrid, Spain
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18
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Tripathi AM, Khan S, Chaudhury NK. Radiomitigation by Melatonin in C57BL/6 Mice: Possible Implications as Adjuvant in Radiotherapy and Chemotherapy. In Vivo 2022; 36:1203-1221. [PMID: 35478105 DOI: 10.21873/invivo.12820] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2021] [Revised: 01/28/2022] [Accepted: 03/03/2022] [Indexed: 12/11/2022]
Abstract
BACKGROUND/AIM Melatonin (N-acetyl-5-methoxytryptamine), a chief secretory molecule of the pineal gland, has multiple properties, and numerous clinical investigations regarding its actions are in progress. This study investigated the radiomitigative role of melatonin in C57BL/6 mice. MATERIALS AND METHODS Melatonin (100 mg/kg) was orally administered once daily starting at 1 h on day 1 and subsequently every 24 h until day 7 after whole-body irradiation (WBI) and survival was monitored for 30 days. The bone marrow, spleen, and intestine were studied to evaluate the mitigative potential of melatonin after radiation-induced damage. RESULTS Melatonin significantly improved the survival upto 60% and 90% after 9 Gy (lethal) and 7.5 Gy (sub-lethal) WBI, respectively. Melatonin alleviated WBI-induced myelosuppression and pancytopenia, and increased white blood cell, red blood cell, platelet, and lymphocyte (CD4+ and CD8+) counts in peripheral blood. Bone marrow and spleen cellularity were restored through enhanced haematopoiesis. Melatonin ameliorated the damage in the small intestine, and promoted recovery of villi length, crypts number, and goblet cell count. CONCLUSION Melatonin mitigates the radiation-induced injury in the gastrointestinal and haematopoietic systems. The observed radiomitigative properties of melatonin can also be useful in the context of adjuvant therapy for cancer and radiotherapy.
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Affiliation(s)
- Akanchha Mani Tripathi
- Division of Radiation Biodosimetry, Institute of Nuclear Medicine and Allied Science, Defence Research & Development Organization, Delhi, India
| | - Shahanshah Khan
- Division of Radiation Biodosimetry, Institute of Nuclear Medicine and Allied Science, Defence Research & Development Organization, Delhi, India
| | - Nabo Kumar Chaudhury
- Division of Radiation Biodosimetry, Institute of Nuclear Medicine and Allied Science, Defence Research & Development Organization, Delhi, India
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Biological Effects of Indole-3-Propionic Acid, a Gut Microbiota-Derived Metabolite, and Its Precursor Tryptophan in Mammals' Health and Disease. Int J Mol Sci 2022; 23:ijms23031222. [PMID: 35163143 PMCID: PMC8835432 DOI: 10.3390/ijms23031222] [Citation(s) in RCA: 62] [Impact Index Per Article: 31.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2021] [Revised: 01/19/2022] [Accepted: 01/19/2022] [Indexed: 02/06/2023] Open
Abstract
Actions of symbiotic gut microbiota are in dynamic balance with the host’s organism to maintain homeostasis. Many different factors have an impact on this relationship, including bacterial metabolites. Several substrates for their synthesis have been established, including tryptophan, an exogenous amino acid. Many biological processes are influenced by the action of tryptophan and its endogenous metabolites, serotonin, and melatonin. Recent research findings also provide evidence that gut bacteria-derived metabolites of tryptophan share the biological effects of their precursor. Thus, this review aims to investigate the biological actions of indole-3-propionic acid (IPA), a gut microbiota-derived metabolite of tryptophan. We searched PUBMED and Google Scholar databases to identify pre-clinical and clinical studies evaluating the impact of IPA on the health and pathophysiology of the immune, nervous, gastrointestinal and cardiovascular system in mammals. IPA exhibits a similar impact on the energetic balance and cardiovascular system to its precursor, tryptophan. Additionally, IPA has a positive impact on a cellular level, by preventing oxidative stress injury, lipoperoxidation and inhibiting synthesis of proinflammatory cytokines. Its synthesis can be diminished in the presence of different risk factors of atherosclerosis. On the other hand, protective factors, such as the introduction of a Mediterranean diet, tend to increase its plasma concentration. IPA seems to be a promising new target, linking gut health with the cardiovascular system.
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20
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Tanriover G, Dilmac S, Aytac G, Farooqi AA, Sindel M. Effects of melatonin and doxorubicin on primary tumor and metastasis in breast cancer model. Anticancer Agents Med Chem 2021; 22:1970-1983. [PMID: 34961467 DOI: 10.2174/1871520621666211213094258] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2021] [Revised: 08/11/2021] [Accepted: 11/01/2021] [Indexed: 11/22/2022]
Abstract
BACKGROUND Melatonin exerts oncostatic effects on breast cancer via immunomodulation and anti-oxidation. Doxorubicin is an effective chemotherapeutic agent, but parallel studies also provide ample evidence of an off-target effect of Doxorubicin in breast cancer patients. OBJECTIVE Combinatorial use of doxorubicin and melatonin has not been comprehensively analyzed in breast cancer models. We hypothesized that the anti-oxidative, anti-proliferative and anti-inflammatory effects of melatonin could ameliorate the off-target effects of doxorubicin in breast cancer patients and enhance the anti-tumoral effects of doxorubicin. The goal of the study is to test this hypothesis in cancer cell lines and xenografted mice. METHODS The effects of Melatonin and doxorubicin on the cell viability were evaluated in 4T1-Brain Metastatic Tumor (4TBM). Furthermore, the effects of melatonin and doxorubicin on the primary tumors and systemic metastasis were evaluated in the xenografted mice. Lung and liver tissues were removed and metastasis analyses were performed. The levels of p65, phospho-STAT3, CD11b+, GR1+, Ki67, and cleaved caspase-3 proteins were determined with immunohistochemistry and western blot analysis. We examined the effects of melatonin and Melatonin+Doxorubicin combination therapy on 4TBM cells. RESULTS Our results showed that doxorubicin inhibited the proliferation of metastatic breast cancer cells while melatonin did not affect cells. Tumor growth and metastasis were markedly suppressed in melatonin alone and combination with doxorubicin. The expression of CD11b+ and GR1+ proteins which are indicators of myeloid-derived suppressor cells (MDSCs) were noted to be reduced in both primary tumor and metastatic tissues in melatonin and doxorubicin groups. CONCLUSION The combination of melatonin with doxorubicin reduced primary tumor growth and distant metastasis. Based on these results, melatonin is a promising candidate for combinatory use with conventional chemotherapeutics for breast cancer treatment.
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Affiliation(s)
- Gamze Tanriover
- Akdeniz University, Faculty of Medicine Department of Histology and Embryology, Antalya. Turkey
| | - Sayra Dilmac
- Akdeniz University, Faculty of Medicine Department of Histology and Embryology, Antalya. Turkey
| | - Gunes Aytac
- TOBB University of Economics & Technology, Faculty of Medicine, Department of Anatomy, Ankara. Turkey
| | | | - Muzaffer Sindel
- Akdeniz University, Faculty of Medicine Department of Anatomy, Antalya. Turkey
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21
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Gu C, Chen Y, Chen Y, Liu CF, Zhu Z, Wang M. Role of G Protein-Coupled Receptors in Microglial Activation: Implication in Parkinson's Disease. Front Aging Neurosci 2021; 13:768156. [PMID: 34867296 PMCID: PMC8635063 DOI: 10.3389/fnagi.2021.768156] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2021] [Accepted: 10/23/2021] [Indexed: 12/26/2022] Open
Abstract
Parkinson’s disease (PD) is one of the prevalent neurodegenerative diseases associated with preferential loss of dopaminergic (DA) neurons in the substantia nigra compacta (SNc) and accumulation of α-synuclein in DA neurons. Even though the precise pathogenesis of PD is not clear, a large number of studies have shown that microglia-mediated neuroinflammation plays a vital role in the process of PD development. G protein-coupled receptors (GPCRs) are widely expressed in microglia and several of them act as regulators of microglial activation upon corresponding ligands stimulations. Upon α-synuclein insults, microglia would become excessively activated through some innate immune receptors. Presently, as lack of ideal drugs for treating PD, certain GPCR which is highly expressed in microglia of PD brain and mediates neuroinflammation effectively could be a prospective source for PD therapeutic intervention. Here, six kinds of GPCRs and two types of innate immune receptors were introduced, containing adenosine receptors, purinergic receptors, metabotropic glutamate receptors, adrenergic receptors, cannabinoid receptors, and melatonin receptors and their roles in neuroinflammation; we highlighted the relationship between these six GPCRs and microglial activation in PD. Based on the existing findings, we tried to expound the implication of microglial GPCRs-regulated neuroinflammation to the pathophysiology of PD and their potential to become a new expectation for clinical therapeutics.
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Affiliation(s)
- Chao Gu
- Department of Pharmacy, Children's Hospital of Soochow University, Suzhou, China
| | - Yajing Chen
- Department of Pharmacy, Children's Hospital of Soochow University, Suzhou, China
| | - Yan Chen
- Department of Child and Adolescent Healthcare, Children's Hospital of Soochow University, Suzhou, China
| | - Chun-Feng Liu
- Department of Neurology, Suzhou Clinical Research Center of Neurological Disease, The Second Affiliated Hospital of Soochow University, Suzhou, China
| | - Zengyan Zhu
- Department of Pharmacy, Children's Hospital of Soochow University, Suzhou, China
| | - Mei Wang
- Department of Pharmacy, Children's Hospital of Soochow University, Suzhou, China
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Serum Inflammatory Factor Profiles in the Pathogenesis of High-Altitude Polycythemia and Mechanisms of Acclimation to High Altitudes. Mediators Inflamm 2021; 2021:8844438. [PMID: 34483727 PMCID: PMC8413029 DOI: 10.1155/2021/8844438] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2020] [Revised: 07/29/2021] [Accepted: 08/09/2021] [Indexed: 12/24/2022] Open
Abstract
High-altitude polycythemia (HAPC) is a common aspect of chronic mountain sickness (CMS) caused by hypoxia and is the main cause of other symptoms associated with CMS. However, its pathogenesis and the mechanisms of high-altitude acclimation have not been fully elucidated. Exposure to high altitude is associated with elevated inflammatory mediators. In this study, the subjects were recruited and placed into a plain control (PC) group, plateau control (PUC) group, early HAPC (eHAPC) group, or a confirmed HAPC (cHAPC) group. Serum samples were collected, and inflammatory factors were measured by a novel antibody array methodology. The serum levels of interleukin-2 (IL-2), interleukin-3 (IL-3), and macrophage chemoattractant protein-1 (MCP-1) in the eHAPC group and the levels of interleukin-1 beta (IL-1 beta), IL-2, IL-3, tumor necrosis factor-alpha (TNF-alpha), MCP-1, and interleukin-16 (IL-16) in the cHAPC group were higher than those in the PUC group. More interestingly, the expression of IL-1 beta, IL-2, IL-3, TNF-alpha, MCP-1, and IL-16 in the PUC group showed a remarkable lower value than that in the PC group. These results suggest that these six factors might be involved in the pathogenesis of HAPC as well as acclimation to high altitudes. Altered inflammatory factors might be new biomarkers for HAPC and for high-altitude acclimation.
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Oladele CA, Akintayo CO, Badejogbin OC, Oniyide AA, Omoaghe AO, Agunbiade TB, Olaniyi KS. Melatonin ameliorates endocrine dysfunction and defective sperm integrity associated with high-fat diet-induced obesity in male Wistar rats. Andrologia 2021; 54:e14242. [PMID: 34490912 DOI: 10.1111/and.14242] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2021] [Revised: 08/12/2021] [Accepted: 08/31/2021] [Indexed: 12/18/2022] Open
Abstract
Obesity (OBS) has been established as a link to male hypogonadism with consequent infertility. Previous studies have shown that melatonin (MEL) modulates hypothalamic-pituitary-gonadal function. The present study therefore investigated the hypothesis that MEL supplementation would attenuate spermatogenic and steroidogenic dysfunctions associated with obesity induced by high-fat diet (HFD). Twenty-four adult male Wistar rats (n = 6/group) were used: control group received vehicle (normal saline), obese group received 40% high-fat diet and distilled water, MEL-treated group received MEL (4 mg/kg), and OBS + MEL group received MEL and 40% HFD and the treatment lasted for 12 weeks. HFD caused increased body weight, glucose intolerance, plasma triglyceride and low-density lipoprotein cholesterol/ very low-density lipoprotein cholesterol and malondialdehyde, as well as decreased antioxidant capacity, high-density lipoprotein cholesterol, gonadotrophin-releasing hormone, follicle-stimulating hormone and testosterone and altered sperm parameters. However, all these alterations were attenuated when supplemented with MEL. Taken together, these results indicate that HFD exposure causes endocrine dysfunction and disrupted sperm parameters in obese animals, which are accompanied by lipid peroxidation/defective antioxidant capacity. In addition, the present results suggest that melatonin supplementation restores endocrine function and sperm integrity in obese rat model by suppression of oxidative stress-dependent mechanism.
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Affiliation(s)
- Comfort Abisola Oladele
- Department of Physiology, College of Medicine and Health Sciences, Afe Babalola University, Ado-Ekiti, Nigeria
| | | | | | - Adesola Adedotun Oniyide
- Department of Physiology, College of Medicine and Health Sciences, Afe Babalola University, Ado-Ekiti, Nigeria
| | - Adams Olalekan Omoaghe
- Department of Physiology, College of Medicine and Health Sciences, Afe Babalola University, Ado-Ekiti, Nigeria
| | - Toluwani Bosede Agunbiade
- Department of Medical Microbiology and Parasitology, College of Medicine and Health Sciences, Afe Babalola University, Ado-Ekiti, Nigeria
| | - Kehinde Samuel Olaniyi
- Department of Physiology, College of Medicine and Health Sciences, Afe Babalola University, Ado-Ekiti, Nigeria
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24
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Potential Antioxidant and Anti-Inflammatory Function of Gynura procumbens Polyphenols Ligand. Int J Mol Sci 2021; 22:ijms22168716. [PMID: 34445416 PMCID: PMC8396044 DOI: 10.3390/ijms22168716] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2021] [Revised: 08/10/2021] [Accepted: 08/12/2021] [Indexed: 12/02/2022] Open
Abstract
The antioxidant and anti-inflammatory potentials of polyphenols contained in Gynura procumbens (GP) extract were systematically analyzed. Polyphenols in GP were analyzed for nine peaks using high-performance liquid chromatography (HPLC) combined with mass spectrometry (MS), and quantitatively determined through each standard. A total of nine polyphenolic compounds were identified in the samples and their MS data were tabulated. To determine the potential of bioactive ingredients targeting DPPH and COX-2, we analyzed them by ultrafiltration combined with LC. The results identified the major compounds exhibiting binding affinity for DPPH and COX-2. Caffeic acid, kynurenic acid, and chlorogenic acid showed excellent binding affinity to DPPH and COX-2, suggesting that they can be considered as major active compounds. Additionally, the anti-inflammatory effect of GP was confirmed in vitro. This study will not only be used to provide basic data for the application of GP to the food and pharmaceutical industries, but will also provide information on effective screening methods for other medicinal plants.
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25
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Xia D, Yang L, Li Y, Chen J, Zhang X, Wang H, Zhai S, Jiang X, Meca G, Wang S, Huang L, Zhu S, Fu Y, Ma W, Zhu Y, Ye H, Wang W. Melatonin alleviates Ochratoxin A-induced liver inflammation involved intestinal microbiota homeostasis and microbiota-independent manner. JOURNAL OF HAZARDOUS MATERIALS 2021; 413:125239. [PMID: 33582472 DOI: 10.1016/j.jhazmat.2021.125239] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/04/2020] [Revised: 01/19/2021] [Accepted: 01/23/2021] [Indexed: 06/12/2023]
Abstract
Melatonin (MEL) shows an anti-inflammatory effect and regulates intestinal microbiota communities in animals and humans; Ochratoxin A (OTA) induces liver inflammation through intestinal microbiota. However, it remains to know whether MEL alleviates the liver inflammation induced by OTA. In this study, MEL reversed various adverse effects induced by OTA. MEL recovered the swarming and motility of intestinal microbiota, decreased the accumulation of lipopolysaccharide (LPS), enhanced the tight junction proteins of jejunum and cecum segments; ultimately alleviated OTA-induced liver inflammation in ducks. However, it is worth noting that MEL still had positive effects on the OTA-exposed ducks after antibiotic treatment. These results suggest that both the maintenance of intestinal microbiota homeostasis and intestinal microbiota-independent manner involved the MEL anti-inflammatory function in OTA-induced liver inflammation. MEL represent a promising protective approach for OTA, even other mycotoxins.
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Affiliation(s)
- Daiyang Xia
- Guangdong Provincial Key Laboratory of Animal Nutrition and Regulation, College of Animal Science, South China Agricultural University, Guangzhou 510642, China
| | - Lin Yang
- Guangdong Provincial Key Laboratory of Animal Nutrition and Regulation, College of Animal Science, South China Agricultural University, Guangzhou 510642, China
| | - Yu Li
- Guangdong Provincial Key Laboratory of Animal Nutrition and Regulation, College of Animal Science, South China Agricultural University, Guangzhou 510642, China
| | - Jianying Chen
- Guangdong Provincial Key Laboratory of Animal Nutrition and Regulation, College of Animal Science, South China Agricultural University, Guangzhou 510642, China
| | - Xiufen Zhang
- Guangdong Provincial Key Laboratory of Animal Nutrition and Regulation, College of Animal Science, South China Agricultural University, Guangzhou 510642, China
| | - Heng Wang
- Guangdong Provincial Key Laboratory of Animal Nutrition and Regulation, College of Animal Science, South China Agricultural University, Guangzhou 510642, China
| | - Shuangshuang Zhai
- College of Animal Science, Yangtze University, Jingzhou 434000, China
| | - Xianzhi Jiang
- Microbiome Research Center, Moon (Guangzhou) Biotech Co. Ltd. Guangzhou 510535, China
| | - Giuseppe Meca
- Laboratory of Food Chemistry and Toxicology, Faculty of Pharmacy, University of Valencia, Av. Vicent Andrés Estellés s/n, Burjassot 46100, Spain
| | | | - Liang Huang
- Guangdong Provincial Key Laboratory of Animal Nutrition and Regulation, College of Animal Science, South China Agricultural University, Guangzhou 510642, China
| | - Shanshan Zhu
- Guangdong Provincial Key Laboratory of Animal Nutrition and Regulation, College of Animal Science, South China Agricultural University, Guangzhou 510642, China
| | - Yang Fu
- Guangdong Provincial Key Laboratory of Animal Nutrition and Regulation, College of Animal Science, South China Agricultural University, Guangzhou 510642, China
| | - Weiqing Ma
- Guangdong Provincial Key Laboratory of Animal Nutrition and Regulation, College of Animal Science, South China Agricultural University, Guangzhou 510642, China
| | - Yongwen Zhu
- Guangdong Provincial Key Laboratory of Animal Nutrition and Regulation, College of Animal Science, South China Agricultural University, Guangzhou 510642, China
| | - Hui Ye
- Guangdong Provincial Key Laboratory of Animal Nutrition and Regulation, College of Animal Science, South China Agricultural University, Guangzhou 510642, China
| | - Wence Wang
- Guangdong Provincial Key Laboratory of Animal Nutrition and Regulation, College of Animal Science, South China Agricultural University, Guangzhou 510642, China.
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Uthaiwat P, Priprem A, Chio-Srichan S, Settasatian C, Lee YC, Mahakunakorn P, Boonsiri P, Leelayuwat C, Tippayawat P, Puthongking P, Daduang J. Oral Administration of Melatonin or Succinyl Melatonin Niosome Gel Benefits 5-FU-Induced Small Intestinal Mucositis Treatment in Mice. AAPS PharmSciTech 2021; 22:200. [PMID: 34212283 DOI: 10.1208/s12249-021-01941-y] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2020] [Accepted: 01/20/2021] [Indexed: 01/01/2023] Open
Abstract
Mucositis is one of the most adverse effects of 5-fluorouracil (5-FU) and had no standard drug for treatment. Melatonin is a neurohormone, and can ameliorate radiotherapy-induced small intestinal mucositis. Melatonin encapsulated in niosomes improved its poor bioavailability. Succinyl melatonin, a melatonin derivative, showed prolonged release compared with melatonin. This study investigated the efficacy of melatonin niosome gel (MNG) and succinyl melatonin niosome gel (SNG) in 5-FU-induced small intestinal mucositis treatment in mice. MNG and SNG with particle sizes of 293 and 270 nm were shown to have mucoadhesive potentials. The effect of a daily oral application of MNG, SNG, or fluocinolone acetonide gel (FAG, positive control) was compared to that of the normal group. The body weight, food consumption, histology, Fourier transform infrared (FTIR) spectroscopy, inflammatory cytokines (tumor necrosis factor (TNF)-α and interleukin (IL)-1β), and malondialdehyde (MDA) in the small intestine were monitored. The results showed decreased %body weight and food consumption in all 5-FU-injected groups compared with the normal group. The MNG and SNG treatments maintained the food consumption and the normal integrity of the small intestines, as evidenced by villus length and crypt depth, similar to the observations in the normal groups. The FTIR spectra showed no change in lipids of the MNG and SNG groups compared with the normal group. Moreover, SNG could reduce IL-1β content to a level that was not different from the level in the normal groups. Therefore, the oral application of MNG and SNG could protect against 5-FU-induced small intestinal mucositis in mice.
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27
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Castro-Marrero J, Zaragozá MC, López-Vílchez I, Galmés JL, Cordobilla B, Maurel S, Domingo JC, Alegre-Martín J. Effect of Melatonin Plus Zinc Supplementation on Fatigue Perception in Myalgic Encephalomyelitis/Chronic Fatigue Syndrome: A Randomized, Double-Blind, Placebo-Controlled Trial. Antioxidants (Basel) 2021; 10:antiox10071010. [PMID: 34201806 PMCID: PMC8300692 DOI: 10.3390/antiox10071010] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2021] [Revised: 06/14/2021] [Accepted: 06/21/2021] [Indexed: 11/16/2022] Open
Abstract
Myalgic encephalomyelitis/chronic fatigue syndrome (ME/CFS) is a complex, multisystem, and profoundly debilitating condition, probably of multifactorial etiology. No effective approved drugs are currently available for its treatment. Several studies have proposed symptomatic treatment with melatonin and zinc supplementation in chronic illnesses; however, little is known about the synergistic effect of this treatment on fatigue-related symptoms in ME/CFS. The primary endpoint of the study was to assess the effect of oral melatonin plus zinc supplementation on fatigue in ME/CFS. Secondary measures included participants' sleep disturbances, anxiety/depression and health-related quality of life. A proof-of-concept, 16-week, randomized, placebo-controlled, double-blind trial was conducted in 50 ME/CFS patients assigned to receive either oral melatonin (1 mg) plus zinc (10 mg) supplementation (n = 24) or matching placebo (n = 26) once daily. Endpoint outcomes were evaluated at baseline, and then reassessed at 8 and 16 weeks of treatment and 4 weeks after treatment cessation, using self-reported outcome measures. The most relevant results were the significant reduction in the perception of physical fatigue in the Mel-Zinc group at the final treatment follow-up versus placebo (p < 0.05), and the significant improvement in the physical component summary at all follow-up visits in the experimental group. Urinary 6-sulfatoxymelatonin levels were significantly elevated though the treatment in experimental group vs. placebo (p < 0.0001); however, no significantly differences were observed for zinc concentration among participants. Our findings suggest that oral melatonin plus zinc supplementation for 16 weeks is safe and potentially effective in reducing fatigue and improving the quality of life in ME/CFS. This clinical study was registered on ClinicalTrials.gov (NCT03000777).
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Affiliation(s)
- Jesús Castro-Marrero
- Division of Rheumatology, ME/CFS Unit, Vall d’Hebron Hospital Research Institute, 08035 Barcelona, Spain
- Correspondence: ; Tel.: +34-93-4893000 (ext. 3753)
| | - Maria-Cleofé Zaragozá
- Clinical Research Department, Laboratorios Viñas, 08012 Barcelona, Spain; (M.-C.Z.); (I.L.-V.); (J.L.G.)
| | - Irene López-Vílchez
- Clinical Research Department, Laboratorios Viñas, 08012 Barcelona, Spain; (M.-C.Z.); (I.L.-V.); (J.L.G.)
| | - José Luis Galmés
- Clinical Research Department, Laboratorios Viñas, 08012 Barcelona, Spain; (M.-C.Z.); (I.L.-V.); (J.L.G.)
| | - Begoña Cordobilla
- Department of Biochemistry and Molecular Biomedicine, Faculty of Biology, University of Barcelona, 08028 Barcelona, Spain; (B.C.); (J.C.D.)
| | - Sara Maurel
- Department of Neurosciences, University of the Basque Country, 48940 Leioa, Spain;
| | - Joan Carles Domingo
- Department of Biochemistry and Molecular Biomedicine, Faculty of Biology, University of Barcelona, 08028 Barcelona, Spain; (B.C.); (J.C.D.)
| | - José Alegre-Martín
- Division of Rheumatology, ME/CFS Unit, Vall d’Hebron University Hospital, 08035 Barcelona, Spain;
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Melatonin Alleviated Potassium Dichromate-Induced Oxidative Stress and Reprotoxicity in Male Rats. BIOMED RESEARCH INTERNATIONAL 2021; 2021:3565360. [PMID: 34222468 PMCID: PMC8221856 DOI: 10.1155/2021/3565360] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/10/2020] [Revised: 04/07/2021] [Accepted: 05/27/2021] [Indexed: 01/24/2023]
Abstract
Melatonin (ML) is a potent antioxidant that reduces oxidative stress. This study was designed to examine the protective effect of melatonin on potassium dichromate- (PDC-) induced male reproductive toxicity. Forty rats were divided into five groups: the control group, rats administered PDC orally (10 mg/kg body weight) for eight weeks, rats administered ML intraperitoneally at doses of either 2.5 or 5 mg/kg followed by the administration of PDC, and rats administered 5 mg/kg ML only. The treatment of rats with PDC led to a decrease in the levels of plasma sex hormones, glutathione, superoxide dismutase, catalase, carnitine, sperm count, and motility. Testicular malondialdehyde levels, nitric oxide concentrations, and abnormalities increased significantly in the PDC group. Melatonin administration to the PDC-treated rats reduced the increase of malondialdehyde and restored the activity of antioxidant enzymes (superoxide dismutase and catalase), glutathione, and sex hormone levels. Moreover, ML attenuated PDC-induced increase in levels of tumor necrosis factor-alpha or interleukin-6. ML alleviated histopathological changes and an increase of p53-positive immune reaction due to PDC. Furthermore, ML inhibited PDC-induced decrease in the DNA content of spermatogenic cells. This study proposed that melatonin may be useful in mitigating oxidative stress-induced testicular damage due to potassium dichromate toxicity.
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29
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Lin J, Sun-Waterhouse D, Cui C. The therapeutic potential of diet on immune-related diseases: based on the regulation on tryptophan metabolism. Crit Rev Food Sci Nutr 2021; 62:8793-8811. [PMID: 34085885 DOI: 10.1080/10408398.2021.1934813] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Tryptophan (TRP), as an essential amino acid, plays crucial roles in maintaining immune homeostasis due to its complex metabolism pathway, including the microbial metabolism, 5-hydroxytryptamine and kynurenine pathways (KP). Metabolites from these pathways can act antioxidant and endogenous ligand of aryl hydrocarbon receptor (including microbiota metabolites: indole, indole aldehyde, indole acetic acid, indole acrylic acid, indole lactate, indole pyruvate acid, indole propionic acid, skatole, tryptamine, and indoxyl sulfate; and KP metabolites: kynurenine, kynurenic acid, 3-hydroxyanthranilic acid, xanthurenic acid, and cinnabarinic acid) for regulating immune response. In immune-related diseases, the production of pro-inflammatory cytokine activates indoleamine-2,3-dioxygenase, a rate-limiting enzyme of KP, leading to abnormal TRP metabolism in vivo. Many recent studies found that TRP metabolism could be regulated by diet, and the diet regulation on TRP metabolism could therapy related diseases. Accordingly, this review provides a critical overview of the relationships among diet, TRP metabolism and immunity with the aim to seek a treatment opportunity for immune-related diseases.
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Affiliation(s)
- Junjie Lin
- College of Food Science and Technology, South China University of Technology, Guangzhou, China
| | - Dongxiao Sun-Waterhouse
- College of Food Science and Technology, South China University of Technology, Guangzhou, China
| | - Chun Cui
- College of Food Science and Technology, South China University of Technology, Guangzhou, China.,Guangdong Wei-Wei Biotechnology Co., Ltd, Guangzhou, China
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30
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Gu C, Wang F, Zhang Y, Wei S, Liu J, Sun H, Wang G, Liu C. Microglial MT1 activation inhibits LPS-induced neuroinflammation via regulation of metabolic reprogramming. Aging Cell 2021; 20:e13375. [PMID: 33964119 PMCID: PMC8208780 DOI: 10.1111/acel.13375] [Citation(s) in RCA: 41] [Impact Index Per Article: 13.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2020] [Revised: 03/19/2021] [Accepted: 04/02/2021] [Indexed: 12/22/2022] Open
Abstract
Parkinson's disease (PD) is one of the most common neurodegenerative diseases. Although its pathogenesis remains unclear, a number of studies indicate that microglia-mediated neuroinflammation makes a great contribution to the pathogenesis of PD. Melatonin receptor 1 (MT1) is widely expressed in glia cells and neurons in substantia nigra (SN). Neuronal MT1 is a neuroprotective factor, but it remains largely unknown whether dysfunction of microglial MT1 is involved in the PD pathogenesis. Here, we found that MT1 was reduced in microglia of SN in 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP)-induced PD mouse model. Microglial MT1 activation dramatically inhibited lipopolysaccharide (LPS)-induced neuroinflammation, whereas loss of microglial MT1 aggravated it. Metabolic reprogramming of microglia was found to contribute to the anti-inflammatory effects of MT1 activation. LPS-induced excessive aerobic glycolysis and impaired oxidative phosphorylation (OXPHOS) could be reversed by microglial MT1 activation. MT1 positively regulated pyruvate dehydrogenase alpha 1 (PDHA1) expression to enhance OXPHOS and suppress aerobic glycolysis. Furthermore, in LPS-treated microglia, MT1 activation decreased the toxicity of conditioned media to the dopaminergic (DA) cell line MES23.5. Most importantly, the anti-inflammatory effects of MT1 activation were observed in LPS-stimulated mouse model. In general, our study demonstrates that MT1 activation inhibits LPS-induced microglial activation through regulating its metabolic reprogramming, which provides a mechanistic insight for microglial MT1 in anti-inflammation.
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Affiliation(s)
- Chao Gu
- Department of NeurologySuzhou Clinical Research Center of Neurological DiseaseThe Second Affiliated Hospital of Soochow UniversitySuzhouChina
- Jiangsu Key Laboratory of Neuropsychiatric DiseasesInstitute of NeuroscienceSoochow UniversitySuzhouChina
- Department of PharmacyChildren’s Hospital of Soochow UniversitySuzhouChina
| | - Fen Wang
- Jiangsu Key Laboratory of Neuropsychiatric DiseasesInstitute of NeuroscienceSoochow UniversitySuzhouChina
| | - Yu‐Ting Zhang
- Department of NeurologySuzhou Clinical Research Center of Neurological DiseaseThe Second Affiliated Hospital of Soochow UniversitySuzhouChina
- Jiangsu Key Laboratory of Neuropsychiatric DiseasesInstitute of NeuroscienceSoochow UniversitySuzhouChina
| | - Shi‐Zhuang Wei
- Jiangsu Key Laboratory of Neuropsychiatric DiseasesInstitute of NeuroscienceSoochow UniversitySuzhouChina
| | - Jun‐Yi Liu
- Department of NeurologyJuntendo University Graduate School of MedicineTokyoJapan
| | - Hong‐Yang Sun
- Laboratory of Molecular NeuropathologyJiangsu Key Laboratory of Translational Research and Therapy for Neuropsychiatric Disorders &Department of PharmacologyCollege of Pharmaceutical SciencesSoochow UniversitySuzhouChina
| | - Guang‐Hui Wang
- Laboratory of Molecular NeuropathologyJiangsu Key Laboratory of Translational Research and Therapy for Neuropsychiatric Disorders &Department of PharmacologyCollege of Pharmaceutical SciencesSoochow UniversitySuzhouChina
| | - Chun‐Feng Liu
- Department of NeurologySuzhou Clinical Research Center of Neurological DiseaseThe Second Affiliated Hospital of Soochow UniversitySuzhouChina
- Jiangsu Key Laboratory of Neuropsychiatric DiseasesInstitute of NeuroscienceSoochow UniversitySuzhouChina
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31
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Gomes AR, Fernandes TG, Cabral JM, Diogo MM. Modeling Rett Syndrome with Human Pluripotent Stem Cells: Mechanistic Outcomes and Future Clinical Perspectives. Int J Mol Sci 2021; 22:3751. [PMID: 33916879 PMCID: PMC8038474 DOI: 10.3390/ijms22073751] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2021] [Revised: 03/23/2021] [Accepted: 04/02/2021] [Indexed: 12/19/2022] Open
Abstract
Rett syndrome (RTT) is a neurodevelopmental disorder caused by mutations in the gene encoding the methyl-CpG-binding protein 2 (MeCP2). Among many different roles, MeCP2 has a high phenotypic impact during the different stages of brain development. Thus, it is essential to intensively investigate the function of MeCP2, and its regulated targets, to better understand the mechanisms of the disease and inspire the development of possible therapeutic strategies. Several animal models have greatly contributed to these studies, but more recently human pluripotent stem cells (hPSCs) have been providing a promising alternative for the study of RTT. The rapid evolution in the field of hPSC culture allowed first the development of 2D-based neuronal differentiation protocols, and more recently the generation of 3D human brain organoid models, a more complex approach that better recapitulates human neurodevelopment in vitro. Modeling RTT using these culture platforms, either with patient-specific human induced pluripotent stem cells (hiPSCs) or genetically-modified hPSCs, has certainly contributed to a better understanding of the onset of RTT and the disease phenotype, ultimately allowing the development of high throughput drugs screening tests for potential clinical translation. In this review, we first provide a brief summary of the main neurological features of RTT and the impact of MeCP2 mutations in the neuropathophysiology of this disease. Then, we provide a thorough revision of the more recent advances and future prospects of RTT modeling with human neural cells derived from hPSCs, obtained using both 2D and organoids culture systems, and its contribution for the current and future clinical trials for RTT.
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Affiliation(s)
- Ana Rita Gomes
- Department of Bioengineering and IBB-Institute for Bioengineering and Biosciences, Instituto Superior Técnico, Universidade de Lisboa, Av. Rovisco Pais, 1049-001 Lisboa, Portugal; (A.R.G.); (T.G.F.); (J.M.S.C.)
- Associate Laboratory i4HB-Institute for Health and Bioeconomy, Instituto Superior Técnico, Universidade de Lisboa, Av. Rovisco Pais, 1049-001 Lisboa, Portugal
- Instituto de Medicina Molecular-João Lobo Antunes, Faculdade de Medicina da Universidade de Lisboa, 1649-028 Lisboa, Portugal
| | - Tiago G. Fernandes
- Department of Bioengineering and IBB-Institute for Bioengineering and Biosciences, Instituto Superior Técnico, Universidade de Lisboa, Av. Rovisco Pais, 1049-001 Lisboa, Portugal; (A.R.G.); (T.G.F.); (J.M.S.C.)
- Associate Laboratory i4HB-Institute for Health and Bioeconomy, Instituto Superior Técnico, Universidade de Lisboa, Av. Rovisco Pais, 1049-001 Lisboa, Portugal
| | - Joaquim M.S. Cabral
- Department of Bioengineering and IBB-Institute for Bioengineering and Biosciences, Instituto Superior Técnico, Universidade de Lisboa, Av. Rovisco Pais, 1049-001 Lisboa, Portugal; (A.R.G.); (T.G.F.); (J.M.S.C.)
- Associate Laboratory i4HB-Institute for Health and Bioeconomy, Instituto Superior Técnico, Universidade de Lisboa, Av. Rovisco Pais, 1049-001 Lisboa, Portugal
| | - Maria Margarida Diogo
- Department of Bioengineering and IBB-Institute for Bioengineering and Biosciences, Instituto Superior Técnico, Universidade de Lisboa, Av. Rovisco Pais, 1049-001 Lisboa, Portugal; (A.R.G.); (T.G.F.); (J.M.S.C.)
- Associate Laboratory i4HB-Institute for Health and Bioeconomy, Instituto Superior Técnico, Universidade de Lisboa, Av. Rovisco Pais, 1049-001 Lisboa, Portugal
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32
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Cui Y, Yang M, Wang Y, Ren J, Lin P, Cui C, Song J, He Q, Hu H, Wang K, Sun Y. Melatonin prevents diabetes-associated cognitive dysfunction from microglia-mediated neuroinflammation by activating autophagy via TLR4/Akt/mTOR pathway. FASEB J 2021; 35:e21485. [PMID: 33709562 DOI: 10.1096/fj.202002247rr] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2020] [Revised: 02/10/2021] [Accepted: 02/15/2021] [Indexed: 02/06/2023]
Abstract
Cognitive dysfunction often occurs in diabetes mellitus patients. This study aimed to investigate the efficacy of melatonin (MLT) in improving diabetes-associated cognitive decline and the underlying mechanism involved. Type 2 diabetic mice and palmitic acid (PA)-stimulated BV-2 cells were treated by MLT, and the potential mechanisms among MLT, cognition, and autophagy were explored. The results showed that type 2 diabetic mice showed obvious learning and memory impairments in the Morris water maze test compared with normal controls, which could be ameliorated by MLT treatment. Meanwhile, MLT administration significantly improved neuroinflammation and regulated microglial apoptosis. Furthermore, autophagy inhibitor 3-methyladenine (3-MA) increased the microglial inflammation and apoptosis, indicating that the treatment effect of MLT was mediated by autophagy. Lastly, MLT treatment significantly decreased the levels of toll-like receptors 4 (TLR4), phosphorylated-protein kinase B (Akt), and phosphorylated-mechanistic target of rapamycin (mTOR), indicating that blocking TLR4/Akt/mTOR pathway might be an underlying basis for the anti-inflammatory and anti-apoptosis effects of MLT. Collectively, our study suggested that MLT could improve learning and memory in type 2 diabetic mice by activating autophagy via the TLR4/Akt/mTOR pathway, thereby inhibiting neuroinflammation and microglial apoptosis.
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Affiliation(s)
- Yixin Cui
- Department of Endocrinology, Qilu Hospital of Shandong University, Jinan, China
- Institute of Endocrine and Metabolic Diseases, Shandong University, Jinan, China
| | - Mengmeng Yang
- Department of Endocrinology, Qilu Hospital of Shandong University, Jinan, China
- Institute of Endocrine and Metabolic Diseases, Shandong University, Jinan, China
| | - Yilin Wang
- Department of Traumatic Orthopedics, Peking University People's Hospital, Beijing, China
| | - Jianmin Ren
- Department of Endocrinology, Qilu Hospital of Shandong University, Jinan, China
- Institute of Endocrine and Metabolic Diseases, Shandong University, Jinan, China
- Key Laboratory of Endocrine and Metabolic Diseases, Shandong Province Medicine & Health, Jinan, China
- Jinan Clinical Research Center for Endocrine and Metabolic Diseases, Jinan, China
| | - Peng Lin
- Department of Endocrinology, Qilu Hospital of Shandong University, Jinan, China
- Institute of Endocrine and Metabolic Diseases, Shandong University, Jinan, China
- Key Laboratory of Endocrine and Metabolic Diseases, Shandong Province Medicine & Health, Jinan, China
- Jinan Clinical Research Center for Endocrine and Metabolic Diseases, Jinan, China
| | - Chen Cui
- Department of Endocrinology, Qilu Hospital of Shandong University, Jinan, China
- Institute of Endocrine and Metabolic Diseases, Shandong University, Jinan, China
| | - Jia Song
- Department of Endocrinology, Qilu Hospital of Shandong University, Jinan, China
- Institute of Endocrine and Metabolic Diseases, Shandong University, Jinan, China
| | - Qin He
- Department of Endocrinology, Qilu Hospital of Shandong University, Jinan, China
- Institute of Endocrine and Metabolic Diseases, Shandong University, Jinan, China
- Key Laboratory of Endocrine and Metabolic Diseases, Shandong Province Medicine & Health, Jinan, China
- Jinan Clinical Research Center for Endocrine and Metabolic Diseases, Jinan, China
| | - Huiqing Hu
- Department of Endocrinology, Qilu Hospital of Shandong University, Jinan, China
- Institute of Endocrine and Metabolic Diseases, Shandong University, Jinan, China
| | - Kexin Wang
- Department of General Surgery, Qilu Hospital of Shandong University, Jinan, China
| | - Yu Sun
- Department of Endocrinology, Qilu Hospital of Shandong University, Jinan, China
- Institute of Endocrine and Metabolic Diseases, Shandong University, Jinan, China
- Key Laboratory of Endocrine and Metabolic Diseases, Shandong Province Medicine & Health, Jinan, China
- Jinan Clinical Research Center for Endocrine and Metabolic Diseases, Jinan, China
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Lozano A, Marruecos J, Rubió J, Farré N, Gómez-Millán J, Morera R, Planas I, Lanzuela M, Vázquez-Masedo MG, Cascallar L, Giralt J, Escames G, Valentí V, Grima P, Bosser R, Tarragó C, Mesía R. Randomized placebo-controlled phase II trial of high-dose melatonin mucoadhesive oral gel for the prevention and treatment of oral mucositis in patients with head and neck cancer undergoing radiation therapy concurrent with systemic treatment. Clin Transl Oncol 2021; 23:1801-1810. [PMID: 33738704 DOI: 10.1007/s12094-021-02586-w] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2021] [Accepted: 03/06/2021] [Indexed: 01/04/2023]
Abstract
PURPOSE The objective of this trial was to evaluate the safety and efficacy of melatonin oral gel mouthwashes in the prevention and treatment of oral mucositis (OM) in patients treated with concurrent radiation and systemic treatment for head and neck cancer. METHODS Randomized, phase II, double-blind, placebo-controlled trial (1:1 ratio) of 3% melatonin oral gel mouthwashes vs. placebo, during IMRT (total dose ≥ 66 Gy) plus concurrent Q3W cisplatin or cetuximab. Primary endpoint: grade 3-4 OM or Severe Oral Mucositis (SOM) incidence by RTOG, NCI, and a composite RTOG-NCI scales. Secondary endpoints: SOM duration and grade 2-4 OM or Ulcerative Oral Mucositis (UOM) incidence and duration. RESULTS Eighty-four patients were included in the study. Concurrent systemic treatments were cisplatin (n = 54; 64%) or cetuximab (n = 30; 36%). Compared with the placebo arm, RTOG-defined SOM incidence was numerically lower in the 3% melatonin oral gel arm (53 vs. 64%, P = 0.36). In patients treated with cisplatin, assessed by the RTOG-NCI composite scale, both SOM incidence (44 vs. 78%; P = 0.02) and median SOM duration (0 vs. 22 days; P = 0.022) were significantly reduced in the melatonin arm. Median UOM duration assessed by the RTOG-NCI scale was also significantly shorter in the melatonin arm (49 vs. 73 days; P = 0.014). Rate of adverse events and overall response rate were similar between the two arms. CONCLUSIONS Treatment with melatonin oral gel showed a consistent trend to lower incidence and shorter SOM duration and shorter duration of UOM. These results warrant further investigation in phase III clinical trial.
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Affiliation(s)
- A Lozano
- Institut Català d'Oncologia (ICO), Hospital Durán I Reynals, Avda de la Granvia de l'Hospitalet, 199, L'Hospitalet, 08907, Barcelona, Spain.
| | - J Marruecos
- Institut Català d'Oncologia (ICO), Hospital Universitari Dr. Josep Trueta, Avda França s/n, 17007, Girona, Spain
| | - J Rubió
- Institut Català d'Oncologia (ICO), Hospital Universitari Dr. Josep Trueta, Avda França s/n, 17007, Girona, Spain
| | - N Farré
- Hospital de la Santa Creu i Sant Pau, C/Sant Quintí, 89, 08041, Barcelona, Spain
| | - J Gómez-Millán
- Hospital Universitario Virgen de la Victoria, Campus de Teatinos, s/n, 29010, Málaga, Spain
| | - R Morera
- Hospital Universitario la Paz, Paseo de la Castellana, 261, 28046, Madrid, Spain
| | - I Planas
- Institut Català d'Oncologia (ICO), Hospital Germans Trias i Pujol, Carretera de Canyet, s/n, Badalona, 08916, Barcelona, Spain
| | - M Lanzuela
- Hospital Universitario Miguel Servet, Paseo Isabel la Católica, 1-3, 50009, Zaragoza, Spain
| | - M G Vázquez-Masedo
- Hospital Clínico San Carlos, C/Profesor Martín Lagos, s/n, 28040, Madrid, Spain
| | - L Cascallar
- Hospital Clínico Universitario de Santiago, CHUS, Rúa da Choupana, s/n, Santiago de Compostela, 15706, A Coruña, Spain
| | - J Giralt
- Hospital Universitari de la Vall d'Hebron, Passeig de la Vall d'Hebron, 119, 08035, Barcelona, Spain
| | - G Escames
- Biomedical Research Center, Health Sciences Technology Park, University of Granada, Granada Hospital Complex, 18016, Granada, Spain.,Department of Physiology, University of Granada, CIBERFES, IBS, Granada Hospital Complex, 18016, Granada, Spain
| | - V Valentí
- Hospital de Sant Pau i Santa Tecla, C/ Rambla Vella, 14, 43003, Tarragona, Spain
| | - P Grima
- Ferrer Internacional SA, Avenida Diagonal, 549, 08029, Barcelona, Spain
| | - R Bosser
- Spherium Biomed, S.L.U., C/ Joan XXIII, 10, 08950, Esplugues de Llobregat, Spain
| | - C Tarragó
- Ferrer Internacional SA, Avenida Diagonal, 549, 08029, Barcelona, Spain.,Spherium Biomed, S.L.U., C/ Joan XXIII, 10, 08950, Esplugues de Llobregat, Spain
| | - R Mesía
- Institut Català d'Oncologia (ICO), Hospital Durán I Reynals, Avda de la Granvia de l'Hospitalet, 199, L'Hospitalet, 08907, Barcelona, Spain.,Institut Català d'Oncologia (ICO), Hospital Germans Trias i Pujol, Carretera de Canyet, s/n, Badalona, 08916, Barcelona, Spain
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Dziąbowska-Grabias K, Sztanke M, Zając P, Celejewski M, Kurek K, Szkutnicki S, Korga P, Bulikowski W, Sztanke K. Antioxidant Therapy in Inflammatory Bowel Diseases. Antioxidants (Basel) 2021; 10:antiox10030412. [PMID: 33803138 PMCID: PMC8000291 DOI: 10.3390/antiox10030412] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2021] [Revised: 02/24/2021] [Accepted: 03/01/2021] [Indexed: 12/18/2022] Open
Abstract
Inflammatory bowel diseases (IBD) are a group of chronic, incurable diseases of the digestive tract, the etiology of which remains unclear to this day. IBD result in significant repercussions on the quality of patients’ life. There is a continuous increase in the incidence and prevalence of IBD worldwide, and it is becoming a significant public health burden. Pharmaceuticals commonly used in IBD management, for example, mesalamine, sulfasalazine, corticosteroids, and others, expose patients to diverse, potentially detrimental side effects and frequently do not provide sufficient disease control. The chronic inflammation underlies the etiology of IBD and closely associates with oxidative/nitrosative stress and a vast generation of reactive oxygen/nitrogen species. Relative to this, several substances with antioxidant and anti-inflammatory properties are now intensively researched as possible adjunctive or independent treatment options in IBD. Representatives of several different groups, including natural and chemical compounds will be characterized in this dissertation.
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Affiliation(s)
- Katarzyna Dziąbowska-Grabias
- Department of Gastroenterology, 1st Military Research Hospital, and Polyclinic of Lublin, 20-049 Lublin, Poland; (K.D.-G.); (P.Z.); (M.C.)
| | - Małgorzata Sztanke
- Department of Medical Chemistry, Medical University of Lublin, 20-093 Lublin, Poland
- Correspondence: ; Tel.: +48-814-486-195
| | - Przemysław Zając
- Department of Gastroenterology, 1st Military Research Hospital, and Polyclinic of Lublin, 20-049 Lublin, Poland; (K.D.-G.); (P.Z.); (M.C.)
| | - Michał Celejewski
- Department of Gastroenterology, 1st Military Research Hospital, and Polyclinic of Lublin, 20-049 Lublin, Poland; (K.D.-G.); (P.Z.); (M.C.)
| | - Katarzyna Kurek
- Department of Pneumonology, Oncology, and Allergology, Medical University of Lublin, 20-090 Lublin, Poland; (K.K.); (S.S.)
| | - Stanisław Szkutnicki
- Department of Pneumonology, Oncology, and Allergology, Medical University of Lublin, 20-090 Lublin, Poland; (K.K.); (S.S.)
| | - Patryk Korga
- Department of Gastroenterology, 10ft Military Research Hospital, and Polyclinic of Bydgoszcz, 85-681 Bydgoszcz, Poland;
| | | | - Krzysztof Sztanke
- Laboratory of Bioorganic Synthesis and Analysis, Chair and Department of Medical Chemistry, Medical University of Lublin, 20-093 Lublin, Poland;
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35
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Kim JM, Lee SY, Lee JY. Melatonin for the prevention of fetal injury associated with intrauterine inflammation. Am J Reprod Immunol 2021; 86:e13402. [PMID: 33583108 DOI: 10.1111/aji.13402] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2020] [Revised: 02/08/2021] [Accepted: 02/10/2021] [Indexed: 01/06/2023] Open
Abstract
Intrauterine inflammation is shown to be associated with preterm birth, fetal inflammatory response syndrome, and other pregnancy-related comorbidities such as central nervous system diseases including cerebral palsy and periventricular leukomalacia, pulmonary diseases such as bronchopulmonary dysplasia and respiratory distress syndrome, and necrotizing enterocolitis, to name a few. Many animal studies on intrauterine inflammation demonstrate that ascending infection of reproductive organs or the production of proinflammatory cytokines by some stimuli in utero results in such manifestations. Melatonin, known for its primary function in maintaining circadian rhythm, is now recognized as one of the most potent antioxidant and anti-inflammatory drugs. In some studies, melatonin injection in pregnant animals with intrauterine inflammation significantly reduced the number of preterm births, the severity of structural disintegration of the fetal lungs observed in bronchopulmonary dysplasia, and perinatal brain injuries with improvement in neuromotor function. These implicated benefits of melatonin in pregnant women with intrauterine inflammation seem promising in many research studies, strongly supporting the hypothesis that melatonin has antioxidative and anti-inflammatory properties that can potentially be taken by pregnant women who are at risk of having intrauterine inflammation. In this review, the potential of melatonin for improving outcomes of the pregnancies with intrauterine inflammation will be discussed.
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Affiliation(s)
- Jang Mee Kim
- Department of Medicine, CHA University School of Medicine, Pocheon, Korea
| | - Seung-Yun Lee
- Educational Competence Support Center, Hanshin University, Osan, Korea
| | - Ji Yeon Lee
- Department of Obstetrics and Gynecology, CHA Bundang Medical Center, CHA University School of Medicine, Seongnam, Korea
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36
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Reiter RJ, Ma Q, Sharma R. Melatonin in Mitochondria: Mitigating Clear and Present Dangers. Physiology (Bethesda) 2021; 35:86-95. [PMID: 32024428 DOI: 10.1152/physiol.00034.2019] [Citation(s) in RCA: 62] [Impact Index Per Article: 20.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
Abstract
In cancer cells, glucose is primarily metabolized to pyruvate and then to lactate in the cytosol. By allowing the conversion of pyruvate to acetyl-CoA in mitochondria, melatonin reprograms glucose metabolism in cancer cells to a normal cell phenotype. Acetyl-CoA in the mitochondria also serves as a necessary co-factor for the rate-limiting enzyme in melatonin synthesis, thus ensuring melatonin production in mitochondria of normal cells.
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Affiliation(s)
- Russel J Reiter
- Department of Cell Systems and Anatomy, University of Texas Health San Antonio, San Antonio, Texas
| | - Qiang Ma
- Department of Cell Systems and Anatomy, University of Texas Health San Antonio, San Antonio, Texas
| | - Ramaswamy Sharma
- Department of Cell Systems and Anatomy, University of Texas Health San Antonio, San Antonio, Texas
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37
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Wang W, Gao J. Effects of melatonin on protecting against lung injury (Review). Exp Ther Med 2021; 21:228. [PMID: 33603837 DOI: 10.3892/etm.2021.9659] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2020] [Accepted: 08/21/2020] [Indexed: 12/24/2022] Open
Abstract
Melatonin (MT; N-acetyl-5-methoxy-tryptamine), which has multiple effects and roles, is secreted from the pineal gland at night according to the daily rhythm. In addition to circadian regulation, MT has anti-inflammatory, antioxidant and anticancer functions. Recent studies postulated that MT serves a critical role in apoptosis, anti-ischemic reperfusion injury and anti-proliferative effects on various cells. The current review reported on the underlying mechanism behind the protective effect of MT on lung diseases, such as acute lung injury, acute respiratory distress syndrome, chronic obstructive pulmonary disease, lung ischemia-reperfusion injury, sepsis-induced lung injury and ventilator-induced lung injury. MT is considered an adjuvant with therapeutic drugs for preventing inflammation and is responsible for regulating patient sleep cycles in the intensive care unit. The current review described the anti-inflammatory and antioxidant efficiency of MT with a focus on the molecular mechanisms of action in various lung injuries.
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Affiliation(s)
- Weiwei Wang
- Department of Anesthesiology, Clinical Medical College of Yangzhou University, Northern Jiangsu People's Hospital Affiliated to Yangzhou University, Yangzhou, Jiangsu 225001, P.R. China
| | - Ju Gao
- Department of Anesthesiology, Clinical Medical College of Yangzhou University, Northern Jiangsu People's Hospital Affiliated to Yangzhou University, Yangzhou, Jiangsu 225001, P.R. China
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38
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Shaban NZ, Abd El-Kader SE, Mogahed FAK, El-Kersh MAL, Habashy NH. Synergistic protective effect of Beta vulgaris with meso-2,3-dimercaptosuccinic acid against lead-induced neurotoxicity in male rats. Sci Rep 2021; 11:252. [PMID: 33420282 PMCID: PMC7794226 DOI: 10.1038/s41598-020-80669-4] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2020] [Accepted: 12/14/2020] [Indexed: 01/29/2023] Open
Abstract
Lead (Pb) toxicity is one of the most prevalent causes of human neurotoxicity. The available chelator drugs used now have many adverse effects. So, in this study, the protective role of Beta vulgaris juice (BVJ) on rat neurotoxicity induced by Pb was evaluated and the results were compared with the results of dimercaptosuccinic acid (DMSA, as used drug). Additionally, the synergistic effect of BVJ and DMSA against Pb-induced neurotoxicity was assessed. The study focused on the determination of the antioxidant, anti-inflammatory, and neurological potential of BVJ (alone, and with DMSA) towards lead-induced neurotoxicity. Also, the characterization of BVJ was studied. The results showed that BVJ contains considerable quantities of polyphenols, triterpenoids, and betalains which play an important role as antioxidants and anti-inflammatory. BVJ exhibited a protective effect against neurotoxicity via the reduction of Pb levels in blood and brain. Moreover, BVJ decreased the oxidative stress, inflammation, and cell death induced by Pb. Also, BVJ regulated the activities of acetylcholine esterase and monoamine oxidase-A which changed by Pb toxicity. BVJ and DMSA combination displayed a synergistic antineurotoxic effect (combination index ˂ 1). These results were in harmony with brain histopathology. Conclusion: BVJ has a powerful efficacy in the protection from brain toxicity via diminishing Pb in the brain and blood circulation, resulting in the prevention of the oxidative and inflammatory stress. Treatment with BVJ in combination with DMSA revealed a synergistic effect in the reduction of neurotoxicity induced by Pb. Also, the antioxidant and anti-inflammatory effects of the BVJ lead to the improvement of DMSA therapy.
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Affiliation(s)
- Nadia Z Shaban
- Biochemistry Department, Faculty of Science, Alexandria University, Alexandria, 21511, Egypt.
| | - Sara E Abd El-Kader
- Biochemistry Department, Faculty of Science, Alexandria University, Alexandria, 21511, Egypt
| | - Fayed A K Mogahed
- Department of Nucleic Acid Research, Genetic Engineering and Biotechnology Research Institute, City of Scientific Research and Technological Applications (SRTA-City), New Borg El-Arab, Alexandria, 21934, Egypt
| | - Mohamed A L El-Kersh
- Biochemistry Department, Faculty of Science, Alexandria University, Alexandria, 21511, Egypt
| | - Noha H Habashy
- Biochemistry Department, Faculty of Science, Alexandria University, Alexandria, 21511, Egypt
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Al-Gholam MA, Issa NM. Effect of cypermethrin on the postnatal development of the medulla oblongata and the possible protective role of melatonin in albino rats. Anat Cell Biol 2020; 53:460-470. [PMID: 33361544 PMCID: PMC7769100 DOI: 10.5115/acb.20.193] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2020] [Revised: 09/01/2020] [Accepted: 09/16/2020] [Indexed: 11/27/2022] Open
Abstract
Previous studies have shown that cypermethrin (CYP), a broad spectrum pesticide has a teratogenic effect on rat offspring born to an exposed dam with no information on its effect on the development of the brain. To the best of our knowledge, this research is the first attempt to study the postnatal development medulla oblongata of rat offspring exposed to CYP during the perinatal period and the possible neuroprotective role of melatonin. The offspring of treated female rats were organized into control, melatonin (1 mg/kg/day orally); CYP (12 mg/kg/day orally); and CYP/melatonin groups. The mothers received treatments from day 6 of gestation until day 21 after birth. At Postnatal days 7 and 21, the animals were sacrificed and their medulla oblongata was removed and subjected to histological, immunohistochemical, and electron microscopic studies. CYP induced neuronal degeneration by chromatolysis and pyknosis. Nuclear changes, cytoplasmic vacuolation, damage mitochondria, and breakdown of RER were also detected. Reduction of microtubule-associated protein-2 (MAP-2), myelin basic protein (MBP), and oligodendrocyte transcription factor expressions and increment of glial fibrillary acidic protein expression in the medulla oblongata of the developing rats were observed. On the other hand, melatonin led to an obvious improvement of the injured medulla oblongata tissues and ameliorating the damaging effects of CYP. In conclusion, melatonin has protected rats against CYP-induced histopathological and immunohistochemical changes. This may be due to the protection of MAP-2, conservation of MBP, an increment of oligodendrocytes, and alleviation of astrogliosis.
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Affiliation(s)
- Marwa A Al-Gholam
- Department of Anatomy and Embryology, Faculty of Medicine, Menoufia University, Shebin El-Kom, Egypt
| | - Noha M Issa
- Department of Anatomy and Embryology, Faculty of Medicine, Menoufia University, Shebin El-Kom, Egypt
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Soriano JL, Calpena AC, Rodríguez-Lagunas MJ, Domènech Ò, Bozal-de Febrer N, Garduño-Ramírez ML, Clares B. Endogenous Antioxidant Cocktail Loaded Hydrogel for Topical Wound Healing of Burns. Pharmaceutics 2020; 13:pharmaceutics13010008. [PMID: 33375069 PMCID: PMC7822007 DOI: 10.3390/pharmaceutics13010008] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2020] [Revised: 12/14/2020] [Accepted: 12/17/2020] [Indexed: 12/19/2022] Open
Abstract
The main goal of this work is the study of the skin wound healing efficacy of an antioxidant cocktail consisting of vitamins A, D, E and the endogenous pineal hormone melatonin (MLT), with all of these loaded into a thermosensitive hydrogel delivery system. The resulting formulation was characterized by scanning electron microscopy. The antioxidant efficacy and microbiological activity against Gram positive and Gram negative strains were also assayed. The skin healing efficacy was tested using an in vivo model which included histological evaluation. Furthermore, atomic force microscopy was employed to evaluate the wound healing efficacy of rat skin burns through the determination of its elasticity at the nanoscale using force spectroscopy analysis. The resulting hydrogel exhibited sol state at low temperature and turned into a gel at 30 ± 0.2 °C. The hydrogel containing the antioxidant cocktail showed higher scavenging activity than the hydrogel containing vitamins or MLT, separately. The formulation showed optimal antimicrobial activity. It was comparable to a commercial reference. It was also evidenced that the hydrogel containing the antioxidant cocktail exhibited the strongest healing process in the skin burns of rats, similar to the assayed commercial reference containing silver sulfadiazine. Histological studies confirmed the observed results. Finally, atomic force microscopy demonstrated a similar distribution of Young's modulus values between burned skin treated with the commercial reference and burned skin treated with hydrogel containing the antioxidant cocktail, and all these with healthy skin. The use of an antioxidant cocktail of vitamins and MLT might be a promising treatment for skin wounds for future clinical studies.
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Affiliation(s)
- José L. Soriano
- Department of Pharmacy and Pharmaceutical Technology, Faculty of Pharmacy, University of Granada, 18071 Granada, Spain;
| | - Ana C. Calpena
- Department of Pharmacy and Pharmaceutical Technology and Physical Chemistry, Faculty of Pharmacy and Food Sciences, University of Barcelona, 08028 Barcelona, Spain;
- Nanoscience & Nanotechnology Institute (IN2UB), University of Barcelona, 08028 Barcelona, Spain
- Correspondence: (A.C.C.); (B.C.); Tel.: +34-934-024-560 (A.C.C.); +34-958-246-664 (B.C.)
| | - María J. Rodríguez-Lagunas
- Department of Biochemistry and Physiology, Faculty of Pharmacy and Food Sciences, University of Barcelona, 08028 Barcelona, Spain;
- Nutrition and Food Safety Research Institute (INSA-UB), 08921 Santa Coloma de Gramenet, Spain
| | - Òscar Domènech
- Department of Pharmacy and Pharmaceutical Technology and Physical Chemistry, Faculty of Pharmacy and Food Sciences, University of Barcelona, 08028 Barcelona, Spain;
- Nanoscience & Nanotechnology Institute (IN2UB), University of Barcelona, 08028 Barcelona, Spain
| | - Nuria Bozal-de Febrer
- Department of Biology, Healthcare and the Environment, Faculty of Pharmacy and Food Sciences, University of Barcelona, 27-31 Joan XXIII Ave., 08028 Barcelona, Spain;
| | - María L. Garduño-Ramírez
- Centro de Investigaciones Químicas, Universidad Autónoma del Estado de Morelos, Av. Universidad No. 1001, Col Chamilpa, 62209 Cuernavaca, Mexico;
| | - Beatriz Clares
- Department of Pharmacy and Pharmaceutical Technology, Faculty of Pharmacy, University of Granada, 18071 Granada, Spain;
- Nanoscience & Nanotechnology Institute (IN2UB), University of Barcelona, 08028 Barcelona, Spain
- Biosanitary Institute of Granada (ibs.GRANADA), 18012 Granada, Spain
- Correspondence: (A.C.C.); (B.C.); Tel.: +34-934-024-560 (A.C.C.); +34-958-246-664 (B.C.)
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The Associations between Dairy Product Consumption and Biomarkers of Inflammation, Adipocytokines, and Oxidative Stress in Children: A Cross-Sectional Study. Nutrients 2020; 12:nu12103055. [PMID: 33036196 PMCID: PMC7601178 DOI: 10.3390/nu12103055] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2020] [Revised: 09/28/2020] [Accepted: 10/02/2020] [Indexed: 12/15/2022] Open
Abstract
The association between dairy product consumption and biomarkers of inflammation, adipocytokines, and oxidative stress is poorly studied in children. Therefore, these associations were examined in a representative subsample of 1338 schoolchildren with a mean age of 11.5 (±0.7) years in the Healthy Growth Study. Information on dairy product consumption was collected by dietary recalls. Total dairy consumption was calculated by summing the intake of milk, yogurt, and cheese. Inflammatory markers, i.e., high-sensitivity C-reactive protein (hs-CRP), interleukin-6 (IL-6), and adipocytokines, i.e., leptin, adiponectin, and the antioxidant enzyme glutathione peroxidase (GPx) were analysed. Due to the skewed distribution hs-CRP, IL-6, and leptin were log transformed. Multivariable regression analyses adjusted for age, sex, energy intake, physical activity, parental education, Tanner stage, and fat mass were used to assess the associations between consumption of total dairy, milk, yogurt, cheese, and markers of inflammation, adipocytokines, oxidative stress, and adiponectin-leptin ratio. Our results showed that milk consumption was inversely associated with leptin (β: -0.101; 95% CI: -0.177, -0.025, p = 0.009) and positively associated with the adiponectin-leptin ratio (β: 0.116; 95% CI: 0.020, 0.211; p = 0.018), while total dairy, cheese, and yogurt consumption were not associated with inflammatory, adipocytokine, or antioxidant markers. Further prospective studies are needed to confirm these results.
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Riviere E, Rossi SP, Tavalieri YE, Muñoz de Toro MM, Ponzio R, Puigdomenech E, Levalle O, Martinez G, Terradas C, Calandra RS, Matzkin ME, Frungieri MB. Melatonin daily oral supplementation attenuates inflammation and oxidative stress in testes of men with altered spermatogenesis of unknown aetiology. Mol Cell Endocrinol 2020; 515:110889. [PMID: 32622722 DOI: 10.1016/j.mce.2020.110889] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/24/2020] [Revised: 05/16/2020] [Accepted: 06/01/2020] [Indexed: 12/20/2022]
Abstract
We have previously shown an inverse correlation between testicular melatonin concentration and inflammation/oxidative stress-related markers levels in infertile men showing unexplained azoospermia. Here, we evaluated the impact of melatonin oral supplementation (daily 3 mg dose used to treat sleep disorders) in the incidence of local inflammation, oxidative stress, and tubular wall fibrosis development in young and middle-aged infertile adult men. Compared with testes without histological alterations, gonads with morphological abnormalities showed lower melatonin concentration along with increased macrophage numbers, TBARS generation, and expression levels of inflammation-related markers and antioxidant enzymes, as well as tubular wall collagen fibers disorganization and thickening. Melatonin oral supplementation not only increased its own testicular levels but also decreased inflammation- and oxidative stress-related markers levels, and improved the tubular wall aspect. Overall, our work provides insights into the potential benefits of melatonin on the inflammatory and oxidative status in testes of patients suffering from unexplained infertility.
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Affiliation(s)
- Eugenia Riviere
- Instituto de Biología y Medicina Experimental, CONICET, Ciudad de Buenos Aires, C1428ADN, Argentina; Cátedra de Química, Ciclo Básico Común, Ciudad de Buenos Aires, C1405CAE, Argentina
| | - Soledad P Rossi
- Instituto de Biología y Medicina Experimental, CONICET, Ciudad de Buenos Aires, C1428ADN, Argentina; Cátedra de Bioquímica Humana, Facultad de Medicina, Universidad de Buenos Aires, Ciudad de Buenos Aires, C1121ABG, Argentina
| | - Yamil E Tavalieri
- Instituto de Salud y Ambiente del Litoral, Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral, Santa Fe, 3000, Argentina
| | - Mónica M Muñoz de Toro
- Instituto de Salud y Ambiente del Litoral, Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral, Santa Fe, 3000, Argentina
| | - Roberto Ponzio
- Instituto de Investigaciones en Reproducción, Facultad de Medicina, Universidad de Buenos Aires, Ciudad de Buenos Aires, C1121ABG, Argentina
| | | | - Oscar Levalle
- División Endocrinología, Hospital Durand, Facultad de Medicina, Universidad de Buenos Aires, Ciudad de Buenos Aires, C1405DCS, Argentina
| | | | - Claudio Terradas
- Instituto Médico PREFER, San Martín, Buenos Aires, B1650, Argentina; División Endocrinología, Hospital Durand, Facultad de Medicina, Universidad de Buenos Aires, Ciudad de Buenos Aires, C1405DCS, Argentina; Fertilidad San Isidro, Buenos Aires, B1642, Argentina
| | - Ricardo S Calandra
- Instituto de Biología y Medicina Experimental, CONICET, Ciudad de Buenos Aires, C1428ADN, Argentina
| | - María E Matzkin
- Instituto de Biología y Medicina Experimental, CONICET, Ciudad de Buenos Aires, C1428ADN, Argentina; Cátedra de Química, Ciclo Básico Común, Ciudad de Buenos Aires, C1405CAE, Argentina.
| | - Mónica B Frungieri
- Instituto de Biología y Medicina Experimental, CONICET, Ciudad de Buenos Aires, C1428ADN, Argentina; Cátedra de Química, Ciclo Básico Común, Ciudad de Buenos Aires, C1405CAE, Argentina
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Jinendiran S, Dahms HU, Dileep Kumar BS, Kumar Ponnusamy V, Sivakumar N. Diapolycopenedioic-acid-diglucosyl ester and keto-myxocoxanthin glucoside ester: Novel carotenoids derived from Exiguobacterium acetylicum S01 and evaluation of their anticancer and anti-inflammatory activities. Bioorg Chem 2020; 103:104149. [PMID: 32861993 DOI: 10.1016/j.bioorg.2020.104149] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2020] [Revised: 08/02/2020] [Accepted: 08/03/2020] [Indexed: 02/07/2023]
Abstract
Inflammation is pivotal for the development of gastrointestinal cancer and linked to poor survival and limited therapeutic options. In this study, six structurally different carotenoids were isolated and identified from the methanolic extract of Exiguobacterium acetylicum S01 namely lycopene (Car-I), diapolycopenedioic-acid-diglucosyl-ester (Car-II), β-carotene (Car-III), zeaxanthin (Car-IV), astaxanthin (Car-V), and keto-myxocoxanthin glucoside-ester (Car-VI). Further, their anti-cancer, anti-inflammatory, and antioxidant potentials were evaluated. The MTT assay was used to determine the effect of carotenoids on viability of colorectal cancer (HT-29) as well as peripheral blood mononuclear cells (PBMCs). Results revealed that all the six carotenoids were demonstrated a significant inhibition of HT-29 cells viability in a dose-dependent manner whereas there was no cytotoxic effect in PBMCs. The study also recorded that six carotenoids considerably inhibited lipopolysaccharide (LPS)-induced nitric oxide (NO) production, tumor necrosis factor-alpha (TNF-α), and lipid peroxidation in PBMCs. Moreover, antioxidant potentials of Car-II and Car-VI were significantly (p = 0.001) higher than ascorbic acid as determined by a 2,2-diphenyl-1-picrylhydrazyl radical scavenging assay. Therefore, our results ascertained the role of carotenoids derived from E. acetylicum S01 in developing potential therapeutic agents for inflammation-associated cancer.
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Affiliation(s)
- Sekar Jinendiran
- Department of Molecular Microbiology, School of Biotechnology, Madurai Kamaraj University, Madurai 625021, India
| | - Hans-Uwe Dahms
- Department of Biomedical Science and Environmental Biology, Kaohsiung Medical University, Kaohsiung 80708, Taiwan; Department of Marine Biotechnology and Bioresources, National Sun Yat-sen University, Kaohsiung 80424, Taiwan
| | - B S Dileep Kumar
- Agro-Processing and Technology Division, CSIR-National Institute for Interdisciplinary Science and Technology, Thiruvananthapuram 695019, India
| | - Vinoth Kumar Ponnusamy
- Department of Medicinal Applied Chemistry, Kaohsiung Medical University, Kaohsiung 80708, Taiwan.
| | - Natesan Sivakumar
- Department of Molecular Microbiology, School of Biotechnology, Madurai Kamaraj University, Madurai 625021, India.
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44
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Caffeine effects on systemic metabolism, oxidative-inflammatory pathways, and exercise performance. Nutr Res 2020; 80:1-17. [DOI: 10.1016/j.nutres.2020.05.005] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2019] [Revised: 04/11/2020] [Accepted: 05/09/2020] [Indexed: 01/06/2023]
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Melatonin and Mesenchymal Stem Cells as a Key for Functional Integrity for Liver Cancer Treatment. Int J Mol Sci 2020; 21:ijms21124521. [PMID: 32630505 PMCID: PMC7350224 DOI: 10.3390/ijms21124521] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2020] [Revised: 06/19/2020] [Accepted: 06/21/2020] [Indexed: 02/07/2023] Open
Abstract
Hepatocellular carcinoma (HCC) is the most common hepatobiliary malignancy with limited therapeutic options. On the other hand, melatonin is an indoleamine that modulates a variety of potential therapeutic effects. In addition to its important role in the regulation of sleep–wake rhythms, several previous studies linked the biologic effects of melatonin to various substantial endocrine, neural, immune and antioxidant functions, among others. Furthermore, the effects of melatonin could be influenced through receptor dependent and receptor independent manner. Among the other numerous physiological and therapeutic effects of melatonin, controlling the survival and differentiation of mesenchymal stem cells (MSCs) has been recently discussed. Given its controversial interaction, several previous reports revealed the therapeutic potential of MSCs in controlling the hepatocellular carcinoma (HCC). Taken together, the intention of the present review is to highlight the effects of melatonin and mesenchymal stem cells as a key for functional integrity for liver cancer treatment. We hope to provide solid piece of information that may be helpful in designing novel drug targets to control HCC.
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Zuo J, Jiang Z. Melatonin attenuates hypertension and oxidative stress in a rat model of L-NAME-induced gestational hypertension. Vasc Med 2020; 25:295-301. [PMID: 32469270 DOI: 10.1177/1358863x20919798] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
Preeclampsia is a life-threatening multiorgan systemic disease with manifestations including gestational hypertension, oxidative stress, and vascular dysfunction. We aimed to evaluate the therapeutic effects of melatonin on an L-NAME (NLG-nitro-l-arginine methyl ester)-induced rat preeclampsia model. During gestation, L-NAME was added to drinking water at 50 mg/kg/day from gestation day (GD) 8. Rats received the combination of L-NAME with melatonin (10 mg/kg/day), or aspirin (1.5 mg/kg/day), and rats that received only L-NAME or no treatments were used as controls. Aspirin was mixed with rodent chow and melatonin was administered intraperitoneally. Blood pressure and urine protein content were monitored every 3 days. On GD19, blood samples were collected for biochemical analysis. Compared to untreated L-NAME rats, melatonin led to markedly lowered blood pressure and urine protein content, and recovery in the fetus alive ratio, fetal weight, and the fetal weight/placental weight ratio. Compared to untreated L-NAME rats, plasma antioxidant capacity and plasma malondialdehyde were increased and decreased by melatonin, respectively, in L-NAME rats. Melatonin treatment also reduced sFlt-1, increased PlGF, and decreased the sFlt-1/PlGF ratio. In the placenta, melatonin also reduced sFlt-1 levels and increased Nrf2, PlGF, and HO-1 levels. We have demonstrated in a rat model of preeclampsia that melatonin exerts significant protective effects through lowering blood pressure and reducing oxidative stress.
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Affiliation(s)
- Junfang Zuo
- Department of Obstetrics, Tianjin Central Hospital of Obstetrics and Gynecology, Tianjin, China
| | - Ziyun Jiang
- Shanghai Zhuole Biotech Center, Shanghai, China
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The effects of melatonin prophylaxis on sensory recovery and postoperative pain following orthognathic surgery: a triple-blind randomized controlled trial and biochemical analysis. Int J Oral Maxillofac Surg 2020; 49:446-453. [DOI: 10.1016/j.ijom.2019.07.006] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2018] [Revised: 05/21/2019] [Accepted: 07/04/2019] [Indexed: 01/30/2023]
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Wang ZN, Su RN, Yang BY, Yang KX, Yang LF, Yan Y, Chen ZG. Potential Role of Cellular Senescence in Asthma. Front Cell Dev Biol 2020; 8:59. [PMID: 32117985 PMCID: PMC7026390 DOI: 10.3389/fcell.2020.00059] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2019] [Accepted: 01/22/2020] [Indexed: 12/18/2022] Open
Abstract
Cellular senescence is a complicated process featured by irreversible cell cycle arrest and senescence-associated secreted phenotype (SASP), resulting in accumulation of senescent cells, and low-grade inflammation. Cellular senescence not only occurs during the natural aging of normal cells, but also can be accelerated by various pathological factors. Cumulative studies have shown the role of cellular senescence in the pathogenesis of chronic lung diseases including chronic obstructive pulmonary diseases (COPD) and idiopathic pulmonary fibrosis (IPF) by promoting airway inflammation and airway remodeling. Recently, great interest has been raised in the involvement of cellular senescence in asthma. Limited but valuable data has indicated accelerating cellular senescence in asthma. This review will compile current findings regarding the underlying relationship between cellular senescence and asthma, mainly through discussing the potential mechanisms of cellular senescence in asthma, the impact of senescent cells on the pathobiology of asthma, and the efficiency and feasibility of using anti-aging therapies in asthmatic patients.
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Affiliation(s)
- Zhao-Ni Wang
- Department of Pediatrics, The Third Affiliated Hospital, Sun Yat-sen University, Guangzhou, China.,Guangzhou Institute of Respiratory Diseases, The First Affiliated Hospital, Guangzhou Medical University, Guangzhou, China
| | - Ruo-Nan Su
- Department of Pediatrics, The Third Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Bi-Yuan Yang
- Department of Pediatrics, The Third Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Ke-Xin Yang
- Department of Pediatrics, The Third Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Li-Fen Yang
- Department of Pediatrics, The Third Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Yan Yan
- Guangdong Provincial Key Laboratory of Biomedical Imaging, Guangdong Provincial Engineering Research Center of Molecular Imaging, The Fifth Affiliated Hospital, Sun Yat-sen University, Zhuhai, China.,Center for Interventional Medicine, The Fifth Affiliated Hospital, Sun Yat-sen University, Zhuhai, China
| | - Zhuang-Gui Chen
- Department of Pediatrics, The Third Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
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Melatonin as an Agent for Direct Pulp-Capping Treatment. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2020; 17:ijerph17031043. [PMID: 32041360 PMCID: PMC7037898 DOI: 10.3390/ijerph17031043] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/14/2020] [Revised: 01/31/2020] [Accepted: 02/04/2020] [Indexed: 12/15/2022]
Abstract
Melatonin plays an essential role in the regulation of bone growth. The actions that melatonin exerts on odontoblasts may be similar to its action on osteoblasts. This research aimed to evaluate the pulp response to melatonin used for direct pulp capping to evaluate the antioxidant effect of melatonin administered orally and its influence on dental pulp. Direct pulp capping was performed on the upper molars of Sprague Dawley rats using melatonin or Mineral Trioxide Aggregate (MTA). The study groups were: MTA; Melatonin; MTA + Melatonin administered orally; and Melatonin + Melatonin administered orally. In the latter two groups, the animals drank water dosed with melatonin ad libitum (10 mg/100 mL). After 30 days, the animals were sacrificed, and 5 ml of blood, the kidneys, and the liver were extracted in order to evaluate oxidative stress using thiobarbituric acid reactive substances testing (TBARS). Fragments of the maxilla containing the study molars were prepared for histological evaluation. The degree of pulp inflammation and pulp necrosis, the presence of reparative dentin and dentin bridging the pulp chamber, the presence and regularity of the odontoblastic layer, and the presence of pulp fibrosis were evaluated. No significant differences were found between the four study groups for any of the studied histological variables. The oral administration of melatonin did not modify the local effects of MTA or melatonin on dental pulp, or reduce basal-level oxidative stress. The effect of melatonin on pulp is similar to that of MTA and may be used as an agent for direct pulp capping.
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Guo S, He M, Liu M, Huang W, Ouyang H, Feng Y, Zhong G, Yang S. Chemical Profiling of Embelia ribes by Ultra-High-Performance Liquid Chromatography Quadrupole Time-of-Flight Tandem Mass Spectrometry and Its Antioxidant and Anti-inflammatory Activities In Vitro. J Chromatogr Sci 2020; 58:241-250. [DOI: 10.1093/chromsci/bmz097] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2019] [Revised: 09/04/2019] [Accepted: 10/16/2019] [Indexed: 12/26/2022]
Abstract
Abstract
Embelia ribes is a traditional Chinese medicine compound used as a remedy for various diseases. Nevertheless, detailed information regarding its chemical composition is unavailable. Herein, ultra-high-performance liquid chromatography quadrupole time-of-flight tandem mass spectrometry was used to characterize the components of E. ribes. A total of 56 compounds, including 16 phenolics, 16 flavonoids, 4 coumarins, 5 fatty acids and 15 other compounds were identified. Furthermore, the total phenolic and total flavonoid content was also assessed; the acetic ether extract of E. ribes was an ideal source of phenolics (308.16 ± 0.00 mg gallic acid equivalents/g of extract) and flavonoids (62.00 ± 0.01 mg rutin equivalents/g of extract). Additionally, acetic ether extract exhibited a high antioxidation effect (ferric reducing activity power: 0.15 ± 0.01 mg/mL; 1,1-diphenyl-2-picrylhydrazyl: 0.18 ± 0.01 mg/mL; 2,2-azino-bis-3-ethylbenzthiazoline-6-sulfonic acid: 0.06 ± 0.01 mg/mL). Further, the nitric oxide concentration in lipopolysaccharide-simulated macrophage RAW 264.7 cells and the pro-inflammatory cytokines (TNF-α and IL-6) were suppressed by acetic ether extract. These findings support the notion that E. ribes is an ideal antioxidant and anti-inflammatory agent.
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Affiliation(s)
- Sa Guo
- Jiangxi University of Traditional Chinese Medicine, No. 818 Yunwan Road, Nanchang 330002, PR China
| | - Mingzhen He
- Jiangxi University of Traditional Chinese Medicine, No. 818 Yunwan Road, Nanchang 330002, PR China
| | - Mi Liu
- Jiangxi University of Traditional Chinese Medicine, No. 818 Yunwan Road, Nanchang 330002, PR China
| | - Wengping Huang
- Jiangxi University of Traditional Chinese Medicine, No. 818 Yunwan Road, Nanchang 330002, PR China
| | - Hui Ouyang
- Jiangxi University of Traditional Chinese Medicine, No. 818 Yunwan Road, Nanchang 330002, PR China
| | - Yulin Feng
- State Key Laboratory of Innovative Drug and Efficient Energy-Saving Pharmaceutical Equipment, No. 56 Yangming Road, Nanchang 330006, PR China
| | - Guoyue Zhong
- Jiangxi University of Traditional Chinese Medicine, No. 818 Yunwan Road, Nanchang 330002, PR China
| | - Shilin Yang
- State Key Laboratory of Innovative Drug and Efficient Energy-Saving Pharmaceutical Equipment, No. 56 Yangming Road, Nanchang 330006, PR China
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