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Cai Y, Yang F, Huang X. Oxidative stress and acute pancreatitis (Review). Biomed Rep 2024; 21:124. [PMID: 39006508 PMCID: PMC11240254 DOI: 10.3892/br.2024.1812] [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: 02/02/2024] [Accepted: 06/06/2024] [Indexed: 07/16/2024] Open
Abstract
Acute pancreatitis (AP) is a common inflammatory disorder of the exocrine pancreas that causes severe morbidity and mortality. Although the pathophysiology of AP is poorly understood, a substantial body of evidence suggests some critical events for this disease, such as dysregulation of digestive enzyme production, cytoplasmic vacuolization, acinar cell death, edema formation, and inflammatory cell infiltration into the pancreas. Oxidative stress plays a role in the acute inflammatory response. The present review clarified the role of oxidative stress in the occurrence and development of AP by introducing oxidative stress to disrupt cellular Ca2+ balance and stimulating transcription factor activation and excessive release of inflammatory mediators for the application of antioxidant adjuvant therapy in the treatment of AP.
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Affiliation(s)
- Yongxia Cai
- Department of Emergency Medicine, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang 310016, P.R. China
| | - Feng Yang
- Department of Emergency Medicine, The First People's Hospital of Wuyi County, Jinhua, Zhejiang 321200, P.R. China
| | - Xizhu Huang
- Department of Emergency Medicine, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang 310016, P.R. China
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2
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Zhong H, Liu T, Shang Y, Huang C, Pan S. Breaking the vicious cycle: Targeting the NLRP3 inflammasome for treating sepsis-associated encephalopathy. Biomed Pharmacother 2024; 177:117042. [PMID: 39004064 DOI: 10.1016/j.biopha.2024.117042] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2024] [Revised: 06/21/2024] [Accepted: 06/25/2024] [Indexed: 07/16/2024] Open
Abstract
Sepsis-associated encephalopathy (SAE) is a collection of clinical syndromes resulting from sepsis and characterized by widespread brain dysfunction. The high prevalence of SAE has adverse outcomes on the clinical management and prognosis of sepsis patients. However, currently, there are no effective treatments to ameliorate SAE. The pathogenesis of SAE is complex, including neuroinflammation and microglia activation, destruction of the blood-brain barrier (BBB), neurotransmitter dysfunction, cerebral metabolism and mitochondrial impairment, accumulation of amyloid beta and tauopathy, complement activation, among others. Furthermore, these mechanisms intertwine with each other, further complicating the comprehension of SAE. Among them, neuroinflammation mediated by hyperactivated microglia is considered the primary etiology of SAE. This instigates a detrimental cycle wherein BBB permeability escalates, facilitating direct damage to the central nervous system (CNS) by various neurotoxic substances. Activation of the NLRP3 inflammasome, situated within microglia, can be triggered by diverse danger signals, leading to cell pyroptosis, apoptosis, and tauopathy. These complex processes intricately regulate the onset and progression of neuroinflammation. In this review, we focus on elucidating the inhibitory regulatory mechanism of the NLRP3 inflammasome in microglia, which ultimately manifests as suppression of the inflammatory response. Our ultimate objective is to augment comprehension regarding the role of microglial NLRP3 inflammasome as we explore potential targets for therapeutic interventions against SAE.
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Affiliation(s)
- Hui Zhong
- Wuhan Jinyintan Hospital, Tongji Medical College of Huazhong University of Science and Technology, Wuhan Institute of Virology and Wuhan Jinyintan Hospital, Chinese Academy of Sciences, ,; Hubei Clinical Research Center for Infectious Diseases, ,; Wuhan Research Center for Communicable Disease Diagnosis and Treatment, Chinese Academy of Medical Sciences, ,; Joint Laboratory of Infectious Diseases and Health, Wuhan Institute of Virology and Wuhan Jinyintan Hospital, Chinese Academy of Sciences,
| | - Tianshu Liu
- Department of Ultrasound Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology,
| | - You Shang
- Department of Critical Care Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology,
| | - Chaolin Huang
- Wuhan Jinyintan Hospital, Tongji Medical College of Huazhong University of Science and Technology, Wuhan Institute of Virology and Wuhan Jinyintan Hospital, Chinese Academy of Sciences, ,; Hubei Clinical Research Center for Infectious Diseases, ,; Wuhan Research Center for Communicable Disease Diagnosis and Treatment, Chinese Academy of Medical Sciences, ,; Joint Laboratory of Infectious Diseases and Health, Wuhan Institute of Virology and Wuhan Jinyintan Hospital, Chinese Academy of Sciences, ,.
| | - Shangwen Pan
- Department of Critical Care Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, ,.
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3
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Li C, Wen Y, Tong Q, Peng Y, Yu D, Rao Y, Zeng Y. Gut microbiota-melatonin signaling axis in acute pancreatitis: Revealing the impact of gut health on pancreatic inflammation and disease severity in a case-control study. Medicine (Baltimore) 2024; 103:e38689. [PMID: 38996098 PMCID: PMC11245267 DOI: 10.1097/md.0000000000038689] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/07/2024] [Accepted: 06/03/2024] [Indexed: 07/14/2024] Open
Abstract
Acute pancreatitis (AP), a severe inflammatory condition affecting the pancreas requires investigation into its predictors. Melatonin, a compound with anti-inflammatory and antioxidant properties, has shown promise in managing AP. Additionally, the gut microbiota, a community of microorganisms residing in the intestines has been linked to AP development. This study aims to explore the correlation between melatonin and gut microbiota in predicting AP severity. This study involved 199 participants, with 99 diagnosed with AP and 100 serving as healthy controls. The AP patients were categorized into 2 groups based on the severity of their condition: mild AP (MAP) and severe AP (SAP). Serum melatonin levels were measured on Days 1, 3, and 5 of hospitalization, and gut microbiota composition was examined via 16S rRNA gene sequencing. Other parameters were evaluated, such as the Acute Physiology and Chronic Health Evaluation (APACHE) score, Ranson, and Acute Gastrointestinal Injury (AGI) scores. Melatonin levels were significantly lower in subjects with severe AP compared those with mild AP (18.2 ng/mL vs 32.2 ng/mL, P = .001), and melatonin levels decreased significantly in patients with AP on Days 3 and 5. The study also revealed that individuals with AP exhibited a significantly altered gut microbiota composition compared to control individuals, with a lower Shannon index and higher Simpson index. The AUCs for Simpson index and F/B ratio were significantly higher than those for other biomarkers, indicating that these gut microbiota markers may also be useful for AP prediction. The study proposes that there is a relationship between melatonin levels and the dynamics of gut microbiota profiles in relation to the severity of AP. As a result, the severity of the disease can be assessed by assessing the levels of serum melatonin and gut microbiota profiles.
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Affiliation(s)
- Chao Li
- Department of General Surgery, Yiyang Central Hospital, Yiyang City, China
| | - Yangfen Wen
- Department of General Surgery, Yiyang Central Hospital, Yiyang City, China
| | - Qiwen Tong
- Department of General Surgery, Yiyang Central Hospital, Yiyang City, China
| | - Yi Peng
- Department of General Surgery, Yiyang Central Hospital, Yiyang City, China
| | - Dan Yu
- Department of General Surgery, Yiyang Central Hospital, Yiyang City, China
| | - Yisong Rao
- Department of General Surgery, Yiyang Central Hospital, Yiyang City, China
| | - Yuehong Zeng
- Department of General Surgery, Yiyang Central Hospital, Yiyang City, China
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4
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Lisboa CD, Maciel de Souza JL, Gaspar CJ, Turck P, Ortiz VD, Teixeira Proença IC, Fernandes TRG, Fernandes E, Tasca S, Carraro CC, Belló-Klein A, Sander da Rosa Araujo A, Luz de Castro A. Melatonin effects on oxidative stress and on TLR4/NF-kβ inflammatory pathway in the right ventricle of rats with pulmonary arterial hypertension. Mol Cell Endocrinol 2024; 592:112330. [PMID: 39002930 DOI: 10.1016/j.mce.2024.112330] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/23/2024] [Revised: 06/19/2024] [Accepted: 07/10/2024] [Indexed: 07/15/2024]
Abstract
Pulmonary arterial hypertension (PAH) is characterised by an increase in mean pulmonary arterial pressure and a compromised the right ventricle (RV), together with progression to heart failure and premature death. Studies have evaluated the role of melatonin as a promising therapeutic strategy for PAH. The objective of this study was to evaluate melatonin's effects on oxidative stress and on the TLR4/NF-kβ inflammatory pathway in the RV of rats with PAH. Male Wistar rats were divided into the following groups: control, monocrotaline (MCT), and monocrotaline plus melatonin groups. These two last groups received one intraperitoneal injection of MCT (60 mg/kg) on the first day of experimental protocol. The monocrotaline plus melatonin group received 10 mg/kg/day of melatonin by gavage for 21 days. Echocardiographic analysis was performed, and the RV was collected for morphometric analysis oxidative stress and molecular evaluations. The main findings of the present study were that melatonin administration attenuated the reduction in RV function that was induced by monocrotaline, as assessed by TAPSE. In addition, melatonin prevented RV diastolic area reduction caused by PAH. Furthermore, animals treated with melatonin did not show an increase in ROS levels or in NF-kβ expression. In addition, the monocrotaline plus melatonin group showed a reduction in TLR4 expression when compared with control and monocrotaline groups. To our knowledge, this is the first study demonstrating a positive effect of melatonin on the TLR4/NF-kβ pathway in the RV of rats with PAH. In this sense, this study makes it possible to think of melatonin as a possible ally in mitigating RV alterations caused by PAH.
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Affiliation(s)
- Cristiane Dias Lisboa
- Laboratory of Cardiovascular Physiology and Reactive Oxygen Species, Physiology Department, Institute of Basic Health Science (ICBS), Federal University of Rio Grande do Sul (UFRGS), Ramiro Barcelos Street, 2600, Santa Cecília, CEP: 90035-003, Porto Alegre, RS, Brazil
| | - José Luciano Maciel de Souza
- Laboratory of Cardiovascular Physiology and Reactive Oxygen Species, Physiology Department, Institute of Basic Health Science (ICBS), Federal University of Rio Grande do Sul (UFRGS), Ramiro Barcelos Street, 2600, Santa Cecília, CEP: 90035-003, Porto Alegre, RS, Brazil
| | - Custódio José Gaspar
- Laboratory of Cardiovascular Physiology and Reactive Oxygen Species, Physiology Department, Institute of Basic Health Science (ICBS), Federal University of Rio Grande do Sul (UFRGS), Ramiro Barcelos Street, 2600, Santa Cecília, CEP: 90035-003, Porto Alegre, RS, Brazil
| | - Patrick Turck
- Laboratory of Cardiovascular Physiology and Reactive Oxygen Species, Physiology Department, Institute of Basic Health Science (ICBS), Federal University of Rio Grande do Sul (UFRGS), Ramiro Barcelos Street, 2600, Santa Cecília, CEP: 90035-003, Porto Alegre, RS, Brazil
| | - Vanessa Duarte Ortiz
- Laboratory of Cardiovascular Physiology and Reactive Oxygen Species, Physiology Department, Institute of Basic Health Science (ICBS), Federal University of Rio Grande do Sul (UFRGS), Ramiro Barcelos Street, 2600, Santa Cecília, CEP: 90035-003, Porto Alegre, RS, Brazil
| | - Isabel Cristina Teixeira Proença
- Laboratory of Cardiovascular Physiology and Reactive Oxygen Species, Physiology Department, Institute of Basic Health Science (ICBS), Federal University of Rio Grande do Sul (UFRGS), Ramiro Barcelos Street, 2600, Santa Cecília, CEP: 90035-003, Porto Alegre, RS, Brazil
| | - Tânia Regina G Fernandes
- Laboratory of Cardiovascular Physiology and Reactive Oxygen Species, Physiology Department, Institute of Basic Health Science (ICBS), Federal University of Rio Grande do Sul (UFRGS), Ramiro Barcelos Street, 2600, Santa Cecília, CEP: 90035-003, Porto Alegre, RS, Brazil
| | - Elissa Fernandes
- Laboratory of Cardiovascular Physiology and Reactive Oxygen Species, Physiology Department, Institute of Basic Health Science (ICBS), Federal University of Rio Grande do Sul (UFRGS), Ramiro Barcelos Street, 2600, Santa Cecília, CEP: 90035-003, Porto Alegre, RS, Brazil
| | - Silvio Tasca
- Laboratory of Cardiovascular Physiology and Reactive Oxygen Species, Physiology Department, Institute of Basic Health Science (ICBS), Federal University of Rio Grande do Sul (UFRGS), Ramiro Barcelos Street, 2600, Santa Cecília, CEP: 90035-003, Porto Alegre, RS, Brazil
| | - Cristina Campos Carraro
- Laboratory of Cardiovascular Physiology and Reactive Oxygen Species, Physiology Department, Institute of Basic Health Science (ICBS), Federal University of Rio Grande do Sul (UFRGS), Ramiro Barcelos Street, 2600, Santa Cecília, CEP: 90035-003, Porto Alegre, RS, Brazil
| | - Adriane Belló-Klein
- Laboratory of Cardiovascular Physiology and Reactive Oxygen Species, Physiology Department, Institute of Basic Health Science (ICBS), Federal University of Rio Grande do Sul (UFRGS), Ramiro Barcelos Street, 2600, Santa Cecília, CEP: 90035-003, Porto Alegre, RS, Brazil
| | - Alex Sander da Rosa Araujo
- Laboratory of Cardiovascular Physiology and Reactive Oxygen Species, Physiology Department, Institute of Basic Health Science (ICBS), Federal University of Rio Grande do Sul (UFRGS), Ramiro Barcelos Street, 2600, Santa Cecília, CEP: 90035-003, Porto Alegre, RS, Brazil
| | - Alexandre Luz de Castro
- Laboratory of Cardiovascular Physiology and Reactive Oxygen Species, Physiology Department, Institute of Basic Health Science (ICBS), Federal University of Rio Grande do Sul (UFRGS), Ramiro Barcelos Street, 2600, Santa Cecília, CEP: 90035-003, Porto Alegre, RS, Brazil.
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5
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Mendes L, Queiroz M, Sena CM. Melatonin and Vascular Function. Antioxidants (Basel) 2024; 13:747. [PMID: 38929187 PMCID: PMC11200504 DOI: 10.3390/antiox13060747] [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: 05/20/2024] [Revised: 06/12/2024] [Accepted: 06/17/2024] [Indexed: 06/28/2024] Open
Abstract
The indolamine hormone melatonin, also known as N-acetyl-5-methoxytrypamine, is frequently associated with circadian rhythm regulation. Light can suppress melatonin secretion, and photoperiod regulates melatonin levels by promoting its production and secretion at night in response to darkness. This hormone is becoming more and more understood for its functions as an immune-modulatory, anti-inflammatory, and antioxidant hormone. Melatonin may have a major effect on several diabetes-related disturbances, such as hormonal imbalances, oxidative stress, sleep disturbances, and mood disorders, according to recent research. This has raised interest in investigating the possible therapeutic advantages of melatonin in the treatment of diabetic complications. In addition, several studies have described that melatonin has been linked to the development of diabetes, cancer, Alzheimer's disease, immune system disorders, and heart diseases. In this review, we will highlight some of the functions of melatonin regarding vascular biology.
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Affiliation(s)
| | | | - Cristina M. Sena
- Institute of Physiology, iCBR, Faculty of Medicine, University of Coimbra, 3000-548 Coimbra, Portugal
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6
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Dymanowska-Dyjak I, Frankowska K, Abramiuk M, Polak G. Oxidative Imbalance in Endometriosis-Related Infertility-The Therapeutic Role of Antioxidants. Int J Mol Sci 2024; 25:6298. [PMID: 38928002 PMCID: PMC11204103 DOI: 10.3390/ijms25126298] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2024] [Revised: 06/02/2024] [Accepted: 06/05/2024] [Indexed: 06/28/2024] Open
Abstract
Endometriosis in half of affected women is closely related to problems with fertility. Endometriosis-associated infertility is caused by a wide range of abnormalities affecting the female reproductive tract, from oocyte quality impairment to disturbances in the eutopic endometrium or mechanical abnormalities resulting from disease progression. Since supportive antioxidant therapies, in addition to surgical treatment or assisted reproductive techniques (ARTs), have overall been proven to be effective tools in endometriosis management, the objective of our review was to analyze the role of antioxidant substances, including vitamins, micronutrients, N-acetylcysteine (NAC), curcumin, melatonin, and resveratrol, in endometriosis-related infertility. Most of these substances have been proven to alleviate the systemic oxidant predominance, which has been expressed through decreased oxidative stress (OS) markers and enhanced antioxidative defense. In addition, we demonstrated that the predominant effect of the aforementioned substances is the inhibition of the development of endometriotic lesions as well as the suppression of pro-inflammatory molecules. Although we can undoubtedly conclude that antioxidants are beneficial in fertility support, further studies explaining the detailed pathways of their action are needed.
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Affiliation(s)
- Izabela Dymanowska-Dyjak
- Independent Laboratory of Minimally Invasive Gynecology and Gynecological Endocrinology, Medical University of Lublin, 20-059 Lublin, Poland; (I.D.-D.); (M.A.)
| | - Karolina Frankowska
- Student Scientific Association, Independent Laboratory of Minimally Invasive Gynecology and Gynecological Endocrinology, Medical University of Lublin, 20-059 Lublin, Poland
| | - Monika Abramiuk
- Independent Laboratory of Minimally Invasive Gynecology and Gynecological Endocrinology, Medical University of Lublin, 20-059 Lublin, Poland; (I.D.-D.); (M.A.)
| | - Grzegorz Polak
- Independent Laboratory of Minimally Invasive Gynecology and Gynecological Endocrinology, Medical University of Lublin, 20-059 Lublin, Poland; (I.D.-D.); (M.A.)
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Giri A, Mehan S, Khan Z, Das Gupta G, Narula AS, Kalfin R. Modulation of neural circuits by melatonin in neurodegenerative and neuropsychiatric disorders. NAUNYN-SCHMIEDEBERG'S ARCHIVES OF PHARMACOLOGY 2024; 397:3867-3895. [PMID: 38225412 DOI: 10.1007/s00210-023-02939-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/01/2023] [Accepted: 12/30/2023] [Indexed: 01/17/2024]
Abstract
Neurodegenerative and neuropsychiatric disorders are two broad categories of neurological disorders characterized by progressive impairments in movement and cognitive functions within the central and peripheral nervous systems, and have emerged as a significant cause of mortality. Oxidative stress, neuroinflammation, and neurotransmitter imbalances are recognized as prominent pathogenic factors contributing to cognitive deficits and neurobehavioral anomalies. Consequently, preventing neurodegenerative and neuropsychiatric diseases has surfaced as a pivotal challenge in contemporary public health. This review explores the investigation of neurodegenerative and neuropsychiatric disorders using both synthetic and natural bioactive compounds. A central focus lies on melatonin, a neuroregulatory hormone secreted by the pineal gland in response to light-dark cycles. Melatonin, an amphiphilic molecule, assumes multifaceted roles, including scavenging free radicals, modulating energy metabolism, and synchronizing circadian rhythms. Noteworthy for its robust antioxidant and antiapoptotic properties, melatonin exhibits diverse neuroprotective effects. The inherent attributes of melatonin position it as a potential key player in the pathophysiology of neurological disorders. Preclinical and clinical studies have demonstrated melatonin's efficacy in alleviating neuropathological symptoms across neurodegenerative and neuropsychiatric conditions (depression, schizophrenia, bipolar disorder, and autism spectrum disorder). The documented neuroprotective prowess of melatonin introduces novel therapeutic avenues for addressing neurodegenerative and psychiatric disorders. This comprehensive review encompasses many of melatonin's applications in treating diverse brain disorders. Despite the strides made, realizing melatonin's full neuroprotective potential necessitates further rigorous clinical investigations. By unravelling the extended neuroprotective benefits of melatonin, future studies promise to deepen our understanding and augment the therapeutic implications against neurological deficits.
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Affiliation(s)
- Aditi Giri
- Division of Neuroscience, Department of Pharmacology, ISF College of Pharmacy Moga, Punjab, India
| | - Sidharth Mehan
- Division of Neuroscience, Department of Pharmacology, ISF College of Pharmacy Moga, Punjab, India.
- IK Gujral Punjab Technical University, Jalandhar, Punjab, 144603, India.
| | - Zuber Khan
- Division of Neuroscience, Department of Pharmacology, ISF College of Pharmacy Moga, Punjab, India
- IK Gujral Punjab Technical University, Jalandhar, Punjab, 144603, India
| | | | - Acharan S Narula
- Narula Research, LLC, 107 Boulder Bluff, Chapel Hill, NC, 27516, USA
| | - Reni Kalfin
- Institute of Neurobiology, Bulgarian Academy of Sciences, Acad. G. Bonchev St., Block 23, Sofia, 1113, Bulgaria
- Department of Healthcare, South-West University "NeofitRilski", Ivan Mihailov St. 66, Blagoevgrad, 2700, Bulgaria
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8
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Qin W, Li Y, Cui J, Yu B, Yu L, Yang C. Neutrophil extracellular traps as a unique target in the treatment of inflammatory pain. Biochem Biophys Res Commun 2024; 710:149896. [PMID: 38604072 DOI: 10.1016/j.bbrc.2024.149896] [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: 01/18/2024] [Revised: 03/26/2024] [Accepted: 04/04/2024] [Indexed: 04/13/2024]
Abstract
Pain is a widespread motivation for seeking healthcare and stands as a substantial global public health concern. Despite comprehensive investigations into the mechanisms of pain sensitization induced by inflammation, efficacious treatments options remain scarce. Neutrophil extracellular traps (NETs) have been associated with the progression and tissue damage of diverse inflammatory diseases. This study aims to explore the impact of NETs on the progression of inflammatory pain and explore potential therapeutic approaches. Initially, we observed neutrophil infiltration and the formation of NETs in the left hind paw of mice with inflammatory pain induced by complete Freund's adjuvant (CFA). Furthermore, we employed the peptidyl arginine deiminase 4 (PAD4) inhibitor Cl-amidine (diluted at 50 mg/kg in saline, administered via tail vein injection once daily for three days) to impede NETs formation and administered DNase1 (diluted at 10 mg/kg in saline, once daily for three days) to break down NETs. We investigated the pathological importance of peripheral NETs formation in inflammatory pain and its influence on the activation of spinal dorsal horn microglia. The findings indicate that neutrophils infiltrating locally generate NETs, leading to an increased release of inflammatory mediators that worsen peripheral inflammatory reactions. Consequently, this results in the transmission of more harmful peripheral stimuli to the spinal cord, triggering microglial activation and NF-κB phosphorylation, thereby escalating neuroinflammation and fostering pain sensitization. Suppression of peripheral NETs can mitigate peripheral inflammation in mice with inflammatory pain, reverse mechanical and thermal hypersensitivity by suppressing microglial activation in the spinal cord, ultimately diminishing inflammatory pain. In conclusion, these discoveries propose that obstructing or intervening with NETs introduces a novel therapeutic avenue for addressing inflammatory pain.
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Affiliation(s)
- Wanxiang Qin
- Department of Rehabilitation Medicine, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, 400010, China; Department of Pain Medicine, The First Affiliated Hospital, Army Medical University, Chongqing, 400038, China
| | - Yuping Li
- Department of Pain Medicine, The First Affiliated Hospital, Army Medical University, Chongqing, 400038, China
| | - Jian Cui
- Department of Pain Medicine, The First Affiliated Hospital, Army Medical University, Chongqing, 400038, China
| | - Bao Yu
- College of Traditional Chinese Medicine, Chongqing College of Traditional Chinese Medicine, Chongqing, 402760, China
| | - Lehua Yu
- Department of Rehabilitation Medicine, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, 400010, China.
| | - Congwen Yang
- Department of Rehabilitation Medicine, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, 400010, China; Chongqing Key Laboratory of Traditional Chinese Medicine for Prevention and Cure of Metabolic Diseases, Chongqing Medical University, Chongqing, 400016, China.
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9
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Liu Y, Wang F, Cheng B, Zhou G. Melatonin improves salivary gland damage and hypofunction in pSS by inhibiting IL-6/STAT3 signaling through its receptor-dependent manner. Mol Immunol 2024; 169:10-27. [PMID: 38460474 DOI: 10.1016/j.molimm.2024.02.012] [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: 11/14/2023] [Revised: 01/31/2024] [Accepted: 02/15/2024] [Indexed: 03/11/2024]
Abstract
OBJECTIVE Primary Sjogren's syndrome (pSS) is an autoimmune disease of the exocrine glands with no specific or efficient treatments. Melatonin, a natural hormone, is revealed to show multiple biological functions, both receptor-dependent and independent effects, including anti-apoptotic, antioxidant, and anti-inflammatory activities. However, the potential mechanism by which melatonin protects salivary glands (SGs) of pSS from damage needs to be clarified. The purpose of current study was to explore the role and receptor-related mechanisms of melatonin in pSS-induced glandular damage. METHODS AND RESULTS NOD/Ltj mice were used to spontaneously mimic pSS-induced glandular hypofunction in vivo and primary human salivary gland epithelial (HSGE) cells were stimulated by interferon-γ (IFN-γ) to mimic pSS-induced inflammation in SGs cells in vitro. Melatonin-treated mice exhibited a significant reduction in SG injury of NOD/Ltj mice, which was accompanied by an increase in salivary flow rate, a decrease in inflammatory infiltration within the gland, and a suppression of oxidative stress indicators as well as cell apoptosis. Notably, both melatonin membrane receptors and nuclear receptors played an important role in the anti-apoptotic effects of melatonin on the SGs of NOD/Ltj mice. Furthermore, melatonin blocked the IL-6/STAT3 pathway through receptor-dependent manners in IFN-γ-stimulated HSGE cells. However, it was evident that the anti-oxidative and anti-apoptotic properties of melatonin on IFN-γ-stimulated HSGE cells were diminished by IL-6 treatment. CONCLUSION Melatonin had the potential to mitigate inflammation, oxidative stress, and apoptosis in SGs of pSS by inhibiting the IL-6/STAT3 pathway through receptor-dependent mechanisms. This intervention effectively prevented glandular damage and preserved functional integrity.
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Affiliation(s)
- Yi Liu
- The State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, Key Laboratory of Oral Biomedicine Ministry of Education, Hubei Key Laboratory of Stomatology, School & Hospital of Stomatology, Wuhan University, China
| | - Fang Wang
- The State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, Key Laboratory of Oral Biomedicine Ministry of Education, Hubei Key Laboratory of Stomatology, School & Hospital of Stomatology, Wuhan University, China; Department of Oral Medicine, School and Hospital of Stomatology, Wuhan University, China
| | - Bo Cheng
- Department of Stomatology, Zhongnan Hospital of Wuhan University, China.
| | - Gang Zhou
- The State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, Key Laboratory of Oral Biomedicine Ministry of Education, Hubei Key Laboratory of Stomatology, School & Hospital of Stomatology, Wuhan University, China; Department of Oral Medicine, School and Hospital of Stomatology, Wuhan University, China.
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10
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El Brouzi MY, Lamtai M, Zghari O, El Hamzaoui A, Rezqaoui A, Hadch Z, Fath N, Ouichou A, El Hessni A, Mesfioui A. Melatonin is a Neuroprotective and Antioxidant Agent against Neurotoxicity Induced by an Intrahippocampal Injection of Nickel in Rats. Neurotox Res 2024; 42:24. [PMID: 38598025 DOI: 10.1007/s12640-024-00700-8] [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: 12/18/2023] [Revised: 02/27/2024] [Accepted: 03/16/2024] [Indexed: 04/11/2024]
Abstract
The investigation into the hippocampal function and its response to heavy metal exposure is crucial for understanding the mechanisms underlying neurotoxicity, this can potentially inform strategies for mitigating the adverse effects associated with heavy metal exposure. Melatonin is an essential neuromodulator known for its efficacy as an antioxidant. In this study, we aimed to determine whether melatonin could protect against Nickel (Ni) neurotoxicity. To achieve this, we performed an intracerebral injection of Ni (300 µM NiCl2) into the right hippocampus of male Wistar rats, followed by melatonin treatment. Based on neurobehavioral and neurobiochemical assessments, our results demonstrate that melatonin efficiently enhances Ni-induced behavioral dysfunction and cognitive impairment. Specifically, melatonin treatment positively influences anxious behavior, significantly reduces immobility time in the forced swim test (FST), and improves learning and spatial memory abilities. Moreover, neurobiochemical assays revealed that melatonin treatment modulates the Ni-induced alterations in oxidative stress balance by increasing antioxidant enzyme activities, such as superoxide dismutase (SOD) and catalase (CAT). Additionally, we observed that melatonin significantly attenuated the increased levels of lipid peroxidation (LPO) and nitric oxide (NO). In conclusion, the data from this study suggests that melatonin attenuates oxidative stress, which is the primary mechanism responsible for Ni-induced neurotoxicity. Considering that the hippocampus is the main structure involved in the pathology associated with heavy metal intoxication, such as Ni, these findings underscore the potential therapeutic efficacy of melatonin in mitigating heavy metal-induced brain damage.
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Affiliation(s)
- Mohamed Yassine El Brouzi
- Laboratory of Biology and Health, Neuro-Immunology and Behavior Unit, Faculty of Science, Ibn Tofail University, Kénitra, Morocco.
| | - Mouloud Lamtai
- Laboratory of Biology and Health, Neuro-Immunology and Behavior Unit, Faculty of Science, Ibn Tofail University, Kénitra, Morocco
| | - Oussama Zghari
- Laboratory of Biology and Health, Neuro-Immunology and Behavior Unit, Faculty of Science, Ibn Tofail University, Kénitra, Morocco
| | - Abdelghafour El Hamzaoui
- Laboratory of Biology and Health, Neuro-Immunology and Behavior Unit, Faculty of Science, Ibn Tofail University, Kénitra, Morocco
| | - Ayoub Rezqaoui
- Laboratory of Biology and Health, Neuro-Immunology and Behavior Unit, Faculty of Science, Ibn Tofail University, Kénitra, Morocco
| | - Zahra Hadch
- Laboratory of Biology and Health, Neuro-Immunology and Behavior Unit, Faculty of Science, Ibn Tofail University, Kénitra, Morocco
| | - Nada Fath
- Compared Anatomy Unit, School of Veterinary Medicine, Hassan II Institute of Agronomy and Veterinary Medicine, Rabat, Morocco
| | - Ali Ouichou
- Laboratory of Biology and Health, Neuro-Immunology and Behavior Unit, Faculty of Science, Ibn Tofail University, Kénitra, Morocco
| | - Aboubaker El Hessni
- Laboratory of Biology and Health, Neuro-Immunology and Behavior Unit, Faculty of Science, Ibn Tofail University, Kénitra, Morocco
| | - Abdelhalem Mesfioui
- Laboratory of Biology and Health, Neuro-Immunology and Behavior Unit, Faculty of Science, Ibn Tofail University, Kénitra, Morocco
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11
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Esrefoğlu M, Kalkan TK, Karatas E, Elibol B, Hekimoglu ER, Karakaya Cimen FB, Yay AH. Hepatoprotective actions of melatonin by mainly modulating oxidative status and apoptosis rate in lipopolysaccharide-induced liver damage. Immunopharmacol Immunotoxicol 2024; 46:161-171. [PMID: 38051589 DOI: 10.1080/08923973.2023.2291751] [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: 07/28/2023] [Accepted: 12/02/2023] [Indexed: 12/07/2023]
Abstract
AIM One of the serious complications of sepsis is liver damage and liver failure. This study aimed to evaluate the protective and therapeutic potential of melatonin in rats with lipopolysaccharide-induced sepsis. MAIN METHODS Female Spraque-Dawley rats received single a dose of 7.5 mg/kg lipopolysaccharide in saline to create a 24-h sepsis model. One of the other groups received melatonin at a dose of 10 mg/kg/day beginning 1 week before sepsis induction to the end of the experiment. The melatonin group received the same doses of melatonin for the same duration but not lipopolysaccharide. The vehicle group received the same doses of saline, the vehicle of melatonin, for the same duration. Twenty-four hours after the last injection, the rats were decapitated. By appropriate histochemical, immunohistochemical, biochemical, and molecular techniques, anti-necrotic, anti-apoptotic, anti-necroptotic, anti-inflammatory, and antioxidant effects of melatonin were assessed. KEY FINDINGS Lipopolysaccharide has disrupted liver functions by inducing oxidative stress, inflammation, necrotic, apoptotic, and necroptotic cell death, thus disrupting liver functions. Melatonin was found to be beneficial in terms of inhibiting the intrinsic pathway of apoptosis and tissue oxidant levels, stimulating tissue antioxidant enzyme levels, and restoring hepatocyte functions. SIGNIFICANCE Melatonin, at those doses and duration, was found to be hepatoprotective by mainly modulating oxidative status and apoptosis rate, however, failed to significantly reduce histopathological damage. We suggest that longer-term melatonin administration may produce anti-inflammatory and anti-necrotic effects as well.
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Affiliation(s)
- Mukaddes Esrefoğlu
- Department of Histology and Embryology, Faculty of Medicine, Bezmialem Vakıf University, Istanbul, Turkey
| | - Tugce Kubra Kalkan
- Department of Histology and Embryology, Faculty of Medicine, Kirşehir Ahi Evran University, Kırşehir, Turkey
| | - Ersin Karatas
- Department of Medical Services and Techniques, Patnos Vocation School, Ağrı İbrahim Çeçen University, Ağrı, Turkey
| | - Birsen Elibol
- Department of Medical Biology, Istanbul Medeniyet University, Istanbul, Turkey
| | - Emine Rumeysa Hekimoglu
- Department of Histology and Embryology, Faculty of Medicine, Bezmialem Vakıf University, Istanbul, Turkey
| | - Fatma Bedia Karakaya Cimen
- Department of Histology and Embryology, Faculty of Medicine, Bezmialem Vakıf University, Istanbul, Turkey
| | - Arzu Hanim Yay
- Department of Histology and Embryology, Faculty of Medicine, Erciyes University, Kayseri, Turkey
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12
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Naidu AS, Wang CK, Rao P, Mancini F, Clemens RA, Wirakartakusumah A, Chiu HF, Yen CH, Porretta S, Mathai I, Naidu SAG. Precision nutrition to reset virus-induced human metabolic reprogramming and dysregulation (HMRD) in long-COVID. NPJ Sci Food 2024; 8:19. [PMID: 38555403 PMCID: PMC10981760 DOI: 10.1038/s41538-024-00261-2] [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: 10/12/2023] [Accepted: 03/15/2024] [Indexed: 04/02/2024] Open
Abstract
SARS-CoV-2, the etiological agent of COVID-19, is devoid of any metabolic capacity; therefore, it is critical for the viral pathogen to hijack host cellular metabolic machinery for its replication and propagation. This single-stranded RNA virus with a 29.9 kb genome encodes 14 open reading frames (ORFs) and initiates a plethora of virus-host protein-protein interactions in the human body. These extensive viral protein interactions with host-specific cellular targets could trigger severe human metabolic reprogramming/dysregulation (HMRD), a rewiring of sugar-, amino acid-, lipid-, and nucleotide-metabolism(s), as well as altered or impaired bioenergetics, immune dysfunction, and redox imbalance in the body. In the infectious process, the viral pathogen hijacks two major human receptors, angiotensin-converting enzyme (ACE)-2 and/or neuropilin (NRP)-1, for initial adhesion to cell surface; then utilizes two major host proteases, TMPRSS2 and/or furin, to gain cellular entry; and finally employs an endosomal enzyme, cathepsin L (CTSL) for fusogenic release of its viral genome. The virus-induced HMRD results in 5 possible infectious outcomes: asymptomatic, mild, moderate, severe to fatal episodes; while the symptomatic acute COVID-19 condition could manifest into 3 clinical phases: (i) hypoxia and hypoxemia (Warburg effect), (ii) hyperferritinemia ('cytokine storm'), and (iii) thrombocytosis (coagulopathy). The mean incubation period for COVID-19 onset was estimated to be 5.1 days, and most cases develop symptoms after 14 days. The mean viral clearance times were 24, 30, and 39 days for acute, severe, and ICU-admitted COVID-19 patients, respectively. However, about 25-70% of virus-free COVID-19 survivors continue to sustain virus-induced HMRD and exhibit a wide range of symptoms that are persistent, exacerbated, or new 'onset' clinical incidents, collectively termed as post-acute sequelae of COVID-19 (PASC) or long COVID. PASC patients experience several debilitating clinical condition(s) with >200 different and overlapping symptoms that may last for weeks to months. Chronic PASC is a cumulative outcome of at least 10 different HMRD-related pathophysiological mechanisms involving both virus-derived virulence factors and a multitude of innate host responses. Based on HMRD and virus-free clinical impairments of different human organs/systems, PASC patients can be categorized into 4 different clusters or sub-phenotypes: sub-phenotype-1 (33.8%) with cardiac and renal manifestations; sub-phenotype-2 (32.8%) with respiratory, sleep and anxiety disorders; sub-phenotype-3 (23.4%) with skeleto-muscular and nervous disorders; and sub-phenotype-4 (10.1%) with digestive and pulmonary dysfunctions. This narrative review elucidates the effects of viral hijack on host cellular machinery during SARS-CoV-2 infection, ensuing detrimental effect(s) of virus-induced HMRD on human metabolism, consequential symptomatic clinical implications, and damage to multiple organ systems; as well as chronic pathophysiological sequelae in virus-free PASC patients. We have also provided a few evidence-based, human randomized controlled trial (RCT)-tested, precision nutrients to reset HMRD for health recovery of PASC patients.
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Affiliation(s)
- A Satyanarayan Naidu
- Global Nutrition Healthcare Council (GNHC) Mission-COVID, Yorba Linda, CA, USA.
- N-terminus Research Laboratory, 232659 Via del Rio, Yorba Linda, CA, 92887, USA.
| | - Chin-Kun Wang
- Global Nutrition Healthcare Council (GNHC) Mission-COVID, Yorba Linda, CA, USA
- School of Nutrition, Chung Shan Medical University, 110, Section 1, Jianguo North Road, Taichung, 40201, Taiwan
| | - Pingfan Rao
- Global Nutrition Healthcare Council (GNHC) Mission-COVID, Yorba Linda, CA, USA
- College of Food and Bioengineering, Fujian Polytechnic Normal University, No.1, Campus New Village, Longjiang Street, Fuqing City, Fujian, China
| | - Fabrizio Mancini
- Global Nutrition Healthcare Council (GNHC) Mission-COVID, Yorba Linda, CA, USA
- President-Emeritus, Parker University, 2540 Walnut Hill Lane, Dallas, TX, 75229, USA
| | - Roger A Clemens
- Global Nutrition Healthcare Council (GNHC) Mission-COVID, Yorba Linda, CA, USA
- University of Southern California, Alfred E. Mann School of Pharmacy/D. K. Kim International Center for Regulatory & Quality Sciences, 1540 Alcazar St., CHP 140, Los Angeles, CA, 90089, USA
| | - Aman Wirakartakusumah
- International Union of Food Science and Technology (IUFoST), Guelph, ON, Canada
- IPMI International Business School Jakarta; South East Asian Food and Agriculture Science and Technology, IPB University, Bogor, Indonesia
| | - Hui-Fang Chiu
- Department of Chinese Medicine, Taichung Hospital, Ministry of Health & Well-being, Taichung, Taiwan
| | - Chi-Hua Yen
- Department of Family and Community Medicine, Chung Shan Medical University Hospital; School of Medicine, Chung Shan Medical University, Taichung, Taiwan
| | - Sebastiano Porretta
- Global Nutrition Healthcare Council (GNHC) Mission-COVID, Yorba Linda, CA, USA
- President, Italian Association of Food Technology (AITA), Milan, Italy
- Experimental Station for the Food Preserving Industry, Department of Consumer Science, Viale Tanara 31/a, I-43121, Parma, Italy
| | - Issac Mathai
- Global Nutrition Healthcare Council (GNHC) Mission-COVID, Yorba Linda, CA, USA
- Soukya International Holistic Health Center, Whitefield, Bengaluru, India
| | - Sreus A G Naidu
- Global Nutrition Healthcare Council (GNHC) Mission-COVID, Yorba Linda, CA, USA
- N-terminus Research Laboratory, 232659 Via del Rio, Yorba Linda, CA, 92887, USA
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13
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Celorrio San Miguel AM, Roche E, Herranz-López M, Celorrio San Miguel M, Mielgo-Ayuso J, Fernández-Lázaro D. Impact of Melatonin Supplementation on Sports Performance and Circulating Biomarkers in Highly Trained Athletes: A Systematic Review of Randomized Controlled Trials. Nutrients 2024; 16:1011. [PMID: 38613044 PMCID: PMC11013451 DOI: 10.3390/nu16071011] [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: 02/27/2024] [Revised: 03/25/2024] [Accepted: 03/26/2024] [Indexed: 04/14/2024] Open
Abstract
Melatonin (N-acetyl-5 methoxytryptamine) is an indolic neurohormone that modulates a variety of physiological functions due to its antioxidant, anti-inflammatory, and immunoregulatory properties. Therefore, the purpose of this study was to critically review the effects of melatonin supplementation in sports performance and circulating biomarkers related to the health status of highly trained athletes. Data were obtained by performing searches in the following three bibliography databases: Web of Science, PubMed, and Scopus. The terms used were "Highly Trained Athletes", "Melatonin", and "Sports Performance", "Health Biomarkers" using "Humans" as a filter. The search update was carried out in February 2024 from original articles published with a controlled trial design. The PRISMA rules, the modified McMaster critical review form for quantitative studies, the PEDro scale, and the Cochrane risk of bias were applied. According to the inclusion and exclusion criteria, 21 articles were selected out of 294 references. The dose of melatonin supplemented in the trials ranged between 5 mg to 100 mg administered before or after exercise. The outcomes showed improvements in antioxidant status and inflammatory response and reversed liver damage and muscle damage. Moderate effects on modulating glycemia, total cholesterol, triglycerides, and creatinine were reported. Promising data were found regarding the potential benefits of melatonin in hematological biomarkers, hormonal responses, and sports performance. Therefore, the true efficiency of melatonin to directly improve sports performance remains to be assessed. Nevertheless, an indirect effect of melatonin supplementation in sports performance could be evaluated through improvements in health biomarkers.
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Affiliation(s)
- Ana M. Celorrio San Miguel
- Department of Chemistry, Polytechnic Secondary Education High School, 42004 Soria, Spain;
- Doctoral School, University of León, Campus de Vegazana, 24071 Leon, Spain
| | - Enrique Roche
- Department of Applied Biology-Nutrition, Institute of Bioengineering, University Miguel Hernandez, 03202 Elche, Spain;
- Alicante Institute for Health and Biomedical Research (ISABIAL), 03010 Alicante, Spain
- CIBER Physiopathology of Obesity and Nutrition (CIBEROBN), Carlos III Health Institute (ISCIII), 28029 Madrid, Spain
- Research Group “Nutrition and Physical Activity”, Spanish Nutrition Society “SEÑ”, 28010 Madrid, Spain;
| | - María Herranz-López
- Institute of Research, Development, and Innovation in Healthcare Biotechnology of Elche (IDiBE), Miguel Hernández University (UMH), 03202 Elche, Spain;
| | - Marta Celorrio San Miguel
- Emergency Department, Línea de la Concepción Hospital, C. Gabriel Miró, 108, 11300 La Línea de la Concepción, Spain;
| | - Juan Mielgo-Ayuso
- Research Group “Nutrition and Physical Activity”, Spanish Nutrition Society “SEÑ”, 28010 Madrid, Spain;
- Department of Health Sciences, Faculty of Health Sciences, University of Burgos, 09001 Burgos, Spain
| | - Diego Fernández-Lázaro
- Research Group “Nutrition and Physical Activity”, Spanish Nutrition Society “SEÑ”, 28010 Madrid, Spain;
- Department of Cellular Biology, Genetics, Histology and Pharmacology, Faculty of Health Sciences, University of Valladolid, Campus of Soria, 42004 Soria, Spain
- Neurobiology Research Group, Faculty of Medicine, University of Valladolid, 47005 Valladolid, Spain
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14
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Ning C, Xiao W, Liang Z, Wu Y, Fan H, Wang S, Kong X, Wang Y, Wu A, Li Y, Yuan Z, Wu J, Yang C. Melatonin alleviates T-2 toxin-induced oxidative damage, inflammatory response, and apoptosis in piglet spleen and thymus. Int Immunopharmacol 2024; 129:111653. [PMID: 38354511 DOI: 10.1016/j.intimp.2024.111653] [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: 12/13/2023] [Revised: 01/30/2024] [Accepted: 02/01/2024] [Indexed: 02/16/2024]
Abstract
T-2 toxin, an unavoidable contaminant in animal feeds, can induce oxidative stress and damage immune organs. Melatonin (MT), a natural and potent antioxidant, has shown promise as a detoxifier for various mycotoxins. However, the detoxifying effect of MT on T-2 toxin has not been previously reported. In order to investigate the protective effect of MT added to diets on the immune system of T-2 toxin-exposed piglets, twenty piglets weaned at 28d of age were randomly divided into control, T-2 toxin (1 mg/kg), MT (5 mg/kg), and T-2 toxin (1 mg/kg) + MT (5 mg/kg) groups(n = 5 per group). Our results demonstrated that MT mitigated T-2 toxin-induced histoarchitectural alterations in the spleen and thymus, such as hemorrhage, decreased white pulp size in the spleen, and medullary cell sparing in the thymus. Further research revealed that MT promoted the expression of Nrf2 and increased the activities of antioxidant enzymes CAT and SOD, while reducing the production of the lipid peroxidation product MDA. Moreover, MT inhibited the NF-κB signaling pathway, regulated the expression of downstream cytokines IL-1β, IL-6, TNF-α, and TGF-β1. MT also suppressed the activation of caspase-3 while down-regulating the ratio of Bax/Bcl-2 to reduce apoptosis. Additionally, MT ameliorated the T-2 toxin-induced disorders of immune cells and immune molecules in the blood. In conclusion, our findings suggest that MT may effectively protect the immune system of piglets against T-2 toxin-induced damage by inhibiting oxidative stress, inflammatory response, and apoptosis in the spleen and thymus. Therefore, MT holds the potential as an antidote for T-2 toxin poisoning.
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Affiliation(s)
- Can Ning
- Hunan Engineering Research Center of Livestock and Poultry Health Care, College of Veterinary Medicine, Hunan Agricultural University, Changsha 410128, China
| | - Wenguang Xiao
- Hunan Engineering Research Center of Livestock and Poultry Health Care, College of Veterinary Medicine, Hunan Agricultural University, Changsha 410128, China
| | - Zengenni Liang
- Hunan Agricultural Product Processing Institute, Hunan Academy of Agricultural Sciences, Changsha 410125, China; Longping Branch Graduate School, Hunan University, Changsha 410125, China
| | - You Wu
- Hunan Engineering Research Center of Livestock and Poultry Health Care, College of Veterinary Medicine, Hunan Agricultural University, Changsha 410128, China
| | - Hui Fan
- Hunan Engineering Research Center of Livestock and Poultry Health Care, College of Veterinary Medicine, Hunan Agricultural University, Changsha 410128, China
| | - Siqi Wang
- Hunan Engineering Research Center of Livestock and Poultry Health Care, College of Veterinary Medicine, Hunan Agricultural University, Changsha 410128, China
| | - Xiangyi Kong
- Hunan Engineering Research Center of Livestock and Poultry Health Care, College of Veterinary Medicine, Hunan Agricultural University, Changsha 410128, China
| | - Yongkang Wang
- Hunan Engineering Research Center of Livestock and Poultry Health Care, College of Veterinary Medicine, Hunan Agricultural University, Changsha 410128, China
| | - Aoao Wu
- Hunan Engineering Research Center of Livestock and Poultry Health Care, College of Veterinary Medicine, Hunan Agricultural University, Changsha 410128, China
| | - Yuanyuan Li
- Hunan Engineering Research Center of Livestock and Poultry Health Care, College of Veterinary Medicine, Hunan Agricultural University, Changsha 410128, China
| | - Zhihang Yuan
- Hunan Engineering Research Center of Livestock and Poultry Health Care, College of Veterinary Medicine, Hunan Agricultural University, Changsha 410128, China
| | - Jing Wu
- Hunan Engineering Research Center of Livestock and Poultry Health Care, College of Veterinary Medicine, Hunan Agricultural University, Changsha 410128, China.
| | - Chenglin Yang
- Hunan Engineering Research Center of Livestock and Poultry Health Care, College of Veterinary Medicine, Hunan Agricultural University, Changsha 410128, China.
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15
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Khafaji AWM, Al-Zubaidy AAK, Farhood IG, Salman HR. Ameliorative effects of topical ramelteon on imiquimod-induced psoriasiform inflammation in mice. NAUNYN-SCHMIEDEBERG'S ARCHIVES OF PHARMACOLOGY 2024:10.1007/s00210-024-03017-7. [PMID: 38446218 DOI: 10.1007/s00210-024-03017-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/06/2023] [Accepted: 02/19/2024] [Indexed: 03/07/2024]
Abstract
Psoriasis is a long-lasting, immune-related inflammatory skin disease that affects 2-3% of the global population. It is distinguished by erythematous, silvery, and scaly patches. Ramelteon is a type of melatonin agonist that is used to treat insomnia. It has enhanced non-classical immunomodulatory and anti-inflammatory activities. The aim of the study is to assess the ameliorative effects of topical ramelteon on imiquimod (IMQ)-aggravated psoriasiform-like dermatosis in mice. The 32 albino mouse males were placed into six groups of eight animals, all of them. With the exception of the control group, all groups gained a once-a-day regimen of topical imiquimod 5% cream at a dose of 62.5 mg for eight uninterrupted days, while mice in the control group gained vaseline-based ointment alternately. Immediately after an 8-day induction period in the imiquimod group, mice in the clobetasol and ramelteon treatment groups obtained a twice-daily regimen of topical clobetasol propionate 0.05% ointment and 0.1% ointment, respectively, for a further 8 days. This extends the total duration of the experimental study to 16 continuous days. The findings of our study found that ramelteon significantly mitigated the concentrations of inflammatory cytokines in the skin tissue, including interleukin (IL)-6, IL-17A, IL-23, tumor necrosis factor-α (TNF-α), and vascular endothelial growth factor (VEGF), as well as the scores associated with psoriatic lesions, including erythema, scaling, skin thickening, ear thickness, and overall cumulative PASI scores. Additionally, the anti-inflammatory impact of ramelteon was achieved by markedly increasing IL-10 levels in the skin tissue and correcting cutaneous histopathological alterations. Ramelteon ointment (0.1%) was comparable to that of clobetasol (0.05%) ointment in alleviating a mouse model of imiquimod-induced psoriasiform inflammation; this is probably due to its potential anti-inflammatory and immunomodulatory activities. Therefore, ramelteon could be a good additive option for therapeutic management of immune-triggered inflammatory conditions such as psoriasis.
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Affiliation(s)
| | | | - Iqbal Ghalib Farhood
- Section of Dermatology and Venereology, Department of Medicine, College of Medicine, Al-Nahrain University, Baghdad, Iraq
| | - Hayder Ridha Salman
- Department of Pharmacology, College of Pharmacy, Al-Mustaqbal University, 510001, Hillah, Iraq
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16
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Gu P, Wu Y, Lu W. New Perspectives on the Role and Therapeutic Potential of Melatonin in Cardiovascular Diseases. Am J Cardiovasc Drugs 2024; 24:171-195. [PMID: 38436867 DOI: 10.1007/s40256-024-00631-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 01/18/2024] [Indexed: 03/05/2024]
Abstract
Cardiovascular diseases (CVDs) are the leading cause of death and disability worldwide. It is essential to develop novel interventions to prevent/delay CVDs by targeting their fundamental cellular and molecular processes. Melatonin is a small indole molecule acting both as a hormone of the pineal gland and as a local regulator molecule in various tissues. It has multiple features that may contribute to its cardiovascular protection. Moreover, melatonin enters all cells and subcellular compartments and crosses morphophysiological barriers. Additionally, this indoleamine also serves as a safe exogenous therapeutic agent. Increasing evidence has demonstrated the beneficial effects of melatonin in preventing and improving cardiovascular risk factors. Exogenous administration of melatonin, as a result of its antioxidant and anti-inflammatory properties, has been reported to decrease blood pressure, protect against atherosclerosis, attenuate molecular and cellular damage resulting from cardiac ischemia/reperfusion, and improve the prognosis of myocardial infarction and heart failure. This review aims to summarize the beneficial effects of melatonin against these conditions, the possible protective mechanisms of melatonin, and its potential clinical applicability in CVDs.
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Affiliation(s)
- Pengchen Gu
- Department of Physiology and Neurobiology, Suzhou Medical College of Soochow University, 199 Ren-Ai Road, Suzhou, 215123, Jiang Su Prov., China
| | - Yuxin Wu
- Department of Physiology and Neurobiology, Suzhou Medical College of Soochow University, 199 Ren-Ai Road, Suzhou, 215123, Jiang Su Prov., China
| | - Weiwei Lu
- Department of Physiology and Neurobiology, Suzhou Medical College of Soochow University, 199 Ren-Ai Road, Suzhou, 215123, Jiang Su Prov., China.
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17
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Choukroun E, Parnot M, Surmenian J, Gruber R, Cohen N, Davido N, Simonpieri A, Savoldelli C, Afota F, El Mjabber H, Choukroun J. Bone Formation and Maintenance in Oral Surgery: The Decisive Role of the Immune System-A Narrative Review of Mechanisms and Solutions. Bioengineering (Basel) 2024; 11:191. [PMID: 38391677 PMCID: PMC10886049 DOI: 10.3390/bioengineering11020191] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2024] [Revised: 02/03/2024] [Accepted: 02/09/2024] [Indexed: 02/24/2024] Open
Abstract
Based on the evidence of a significant communication and connection pathway between the bone and immune systems, a new science has emerged: osteoimmunology. Indeed, the immune system has a considerable impact on bone health and diseases, as well as on bone formation during grafts and its stability over time. Chronic inflammation induces the excessive production of oxidants. An imbalance between the levels of oxidants and antioxidants is called oxidative stress. This physio-pathological state causes both molecular and cellular damage, which leads to DNA alterations, genetic mutations and cell apoptosis, and thus, impaired immunity followed by delayed or compromised wound healing. Oxidative stress levels experienced by the body affect bone regeneration and maintenance around teeth and dental implants. As the immune system and bone remodeling are interconnected, bone loss is a consequence of immune dysregulation. Therefore, oral tissue deficiencies such as periodontitis and peri-implantitis should be regarded as immune diseases. Bone management strategies should include both biological and surgical solutions. These protocols tend to improve immunity through antioxidant production to enhance bone formation and prevent bone loss. This narrative review aims to highlight the relationship between inflammation, oxidation, immunity and bone health in the oral cavity. It intends to help clinicians to detect high-risk situations in oral surgery and to propose biological and clinical solutions that will enhance patients' immune responses and surgical treatment outcomes.
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Affiliation(s)
| | | | | | - Reinhard Gruber
- Department of Oral Biology, University Clinic of Dentistry, Medical University of Vienna, 1090 Vienna, Austria
| | | | | | | | | | - Franck Afota
- Private Practice, 06000 Nice, France
- Head and Neck Institute, CHU, 06000 Nice, France
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18
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Lai J, Li F, Li H, Huang R, Ma F, Gu X, Cai Y, Huang D, Li S, Xiao S, Hao H. Melatonin alleviates necrotizing enterocolitis by reducing bile acid levels through the SIRT1/FXR signalling axis. Int Immunopharmacol 2024; 128:111360. [PMID: 38176339 DOI: 10.1016/j.intimp.2023.111360] [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: 11/02/2023] [Revised: 11/30/2023] [Accepted: 12/07/2023] [Indexed: 01/06/2024]
Abstract
Bile acids (BAs) have increasingly been implicated in the onset and progression of necrotizing enterocolitis (NEC); multiple findings have demonstrated their ability to induce damage to the intestinal epithelium, thereby exacerbating disease severity. Although we previously showed that melatonin was able to treat NEC by correcting the Treg/Th17 imbalance, the modulatory effect of melatonin on BAs remains unclear. In this study, we conducted transcriptome analysis on intestinal tissues from patients with NEC and validated these findings. Subsequently, we treated mice with melatonin alone or in combination with an agonist/inhibitor of Sirtuin 1 (SIRT1) to assess faecal and serum BA levels, the expression levels of BA transporters and regulators, and the extent of intestinal injury. Our transcriptome results indicated dysregulation of BA metabolism and abnormal expression of BA transporters in patients with NEC, which were also observed in our NEC mouse model. Furthermore, exogenous BAs were found to aggravate NEC severity in mice. Notably, melatonin effectively restored the aberrant expression of BA transporters, such as apical membrane sodium-dependent bile acid transporters (ASBT), ileal bile acid-binding protein (IBABP), and organic solute transporter-alpha (OST-α), by upregulating SIRT1 expression while reducing farnesoid X receptor (FXR) acetylation, consequently leading to decreased serum and faecal BA levels and mitigated NEC severity. Thus, we propose a potential mechanism through which melatonin reduces BA levels via the SIRT1/FXR signalling axis in an NEC mouse model. Collectively, these results highlight that melatonin holds promise for reducing BA levels and represents a promising therapeutic strategy for treating NEC.
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Affiliation(s)
- Jiahao Lai
- Department of Pediatrics, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou 510655, China; Biomedical Innovation Center, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, China; Department of Respiratory and Critical Care Medicine, Affiliated Hospital of Guangdong Medical University, Zhanjiang 524000, China
| | - Fei Li
- Department of Pediatrics, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou 510655, China; Biomedical Innovation Center, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, China; Inborn Errors of Metabolism Laboratory, The Sixth Affiliated Hospital, Sun Yat sen University, Guangzhou, China
| | - Hongfu Li
- Department of Pediatrics, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou 510655, China; Biomedical Innovation Center, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Rong Huang
- Department of neonatal surgery, Guangdong Women and Children Hospital, Guangzhou, China
| | - Fei Ma
- Maternal & Child Health Research Institute, Zhuhai Women and Children's Hospital, Zhuhai 519001, China
| | - Xia Gu
- Department of Pediatrics, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou 510655, China; Biomedical Innovation Center, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, China; Inborn Errors of Metabolism Laboratory, The Sixth Affiliated Hospital, Sun Yat sen University, Guangzhou, China
| | - Yao Cai
- Department of Pediatrics, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou 510655, China; Biomedical Innovation Center, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, China; Inborn Errors of Metabolism Laboratory, The Sixth Affiliated Hospital, Sun Yat sen University, Guangzhou, China
| | - Dabin Huang
- Department of Pediatrics, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou 510655, China; Biomedical Innovation Center, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Sitao Li
- Department of Pediatrics, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou 510655, China; Biomedical Innovation Center, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, China; Inborn Errors of Metabolism Laboratory, The Sixth Affiliated Hospital, Sun Yat sen University, Guangzhou, China.
| | - Shangjie Xiao
- Department of neonatal surgery, Guangdong Women and Children Hospital, Guangzhou, China.
| | - Hu Hao
- Department of Pediatrics, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou 510655, China; Biomedical Innovation Center, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, China; Inborn Errors of Metabolism Laboratory, The Sixth Affiliated Hospital, Sun Yat sen University, Guangzhou, China.
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19
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Song R, Baker TL, Watters JJ, Kumar S. Obstructive Sleep Apnea-Associated Intermittent Hypoxia-Induced Immune Responses in Males, Pregnancies, and Offspring. Int J Mol Sci 2024; 25:1852. [PMID: 38339130 PMCID: PMC10856042 DOI: 10.3390/ijms25031852] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2023] [Revised: 01/22/2024] [Accepted: 02/01/2024] [Indexed: 02/12/2024] Open
Abstract
Obstructive sleep apnea (OSA), a respiratory sleep disorder associated with cardiovascular diseases, is more prevalent in men. However, OSA occurrence in pregnant women rises to a level comparable to men during late gestation, creating persistent effects on both maternal and offspring health. The exact mechanisms behind OSA-induced cardiovascular diseases remain unclear, but inflammation and oxidative stress play a key role. Animal models using intermittent hypoxia (IH), a hallmark of OSA, reveal several pro-inflammatory signaling pathways at play in males, such as TLR4/MyD88/NF-κB/MAPK, miRNA/NLRP3, and COX signaling, along with shifts in immune cell populations and function. Limited evidence suggests similarities in pregnancies and offspring. In addition, suppressing these inflammatory molecules ameliorates IH-induced inflammation and tissue injury, providing new potential targets to treat OSA-associated cardiovascular diseases. This review will focus on the inflammatory mechanisms linking IH to cardiovascular dysfunction in males, pregnancies, and their offspring. The goal is to inspire further investigations into the understudied populations of pregnant females and their offspring, which ultimately uncover underlying mechanisms and therapeutic interventions for OSA-associated diseases.
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Affiliation(s)
- Ruolin Song
- Department of Comparative Biosciences, School of Veterinary Medicine, University of Wisconsin, Madison, WI 53706, USA; (R.S.); (T.L.B.); (J.J.W.)
| | - Tracy L. Baker
- Department of Comparative Biosciences, School of Veterinary Medicine, University of Wisconsin, Madison, WI 53706, USA; (R.S.); (T.L.B.); (J.J.W.)
| | - Jyoti J. Watters
- Department of Comparative Biosciences, School of Veterinary Medicine, University of Wisconsin, Madison, WI 53706, USA; (R.S.); (T.L.B.); (J.J.W.)
| | - Sathish Kumar
- Department of Comparative Biosciences, School of Veterinary Medicine, University of Wisconsin, Madison, WI 53706, USA; (R.S.); (T.L.B.); (J.J.W.)
- Department of Obstetrics and Gynecology, School of Medicine and Public Health, University of Wisconsin, Madison, WI 53792, USA
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20
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Ashour AM. The Effect of Melatonin Supplement on High Arterial Blood Pressure: An Overview from Clinicaltrials.gov. J Multidiscip Healthc 2024; 17:517-520. [PMID: 38328634 PMCID: PMC10848819 DOI: 10.2147/jmdh.s446521] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2023] [Accepted: 01/26/2024] [Indexed: 02/09/2024] Open
Abstract
Background Melatonin is a hormone produced by the pineal gland primarily at night. It has been suggested that melatonin may possess various cardiovascular benefits, including the potential to lower blood pressure. For this reason, we sought to identify and provide evidence of the effectiveness of melatonin on high arterial blood pressure in clinical trials. Methods Using the search term "melatonin and hypertension", a search of the ClinicalTrials.gov database was performed on October 10th, 2023. I defined the exclusion and inclusion criteria to isolate appropriate clinical trials. Inclusion criteria for the search included hypertension that utilized melatonin as a treatment supplement; all non-related trials were omitted from the search. The data extractions, including study title, study type, study status, and intervention and outcome details, were compiled. Results Of the 13 clinical trials identified, only three focused on examining the effects of melatonin. The study titles, enrollment numbers, conditions, statuses, interventions, and outcome measures have been explained in depth. Information gathered from these clinical trials will assist us in identifying the possible risks and benefits of melatonin with respect to high arterial blood pressure. Conclusion Melatonin has been shown to be an effective treatment for lowering blood pressure. More research is required to fully establish the potential benefits and risks and highlight the mechanisms through which melatonin may influence blood pressure regulation.
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Affiliation(s)
- Ahmed M Ashour
- Pharmacology and Toxicology Department, College of Pharmacy, Umm Al-Qura University, Makkah, Saudi Arabia
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21
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Joseph TT, Schuch V, Hossack DJ, Chakraborty R, Johnson EL. Melatonin: the placental antioxidant and anti-inflammatory. Front Immunol 2024; 15:1339304. [PMID: 38361952 PMCID: PMC10867115 DOI: 10.3389/fimmu.2024.1339304] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2023] [Accepted: 01/15/2024] [Indexed: 02/17/2024] Open
Abstract
Melatonin (N-acetyl-5-methoxytryptamine) is an indolamine hormone with many physiological and biological roles. Melatonin is an antioxidant, anti-inflammatory, free radical scavenger, circadian rhythm regulator, and sleep hormone. However, its most popular role is the ability to regulate sleep through the circadian rhythm. Interestingly, recent studies have shown that melatonin is an important and essential hormone during pregnancy, specifically in the placenta. This is primarily due to the placenta's ability to synthesize its own melatonin rather than depending on the pineal gland. During pregnancy, melatonin acts as an antioxidant and anti-inflammatory, which is necessary to ensure a stable environment for both the mother and the fetus. It is an essential antioxidant in the placenta because it reduces oxidative stress by constantly scavenging for free radicals, i.e., maintain the placenta's integrity. In a healthy pregnancy, the maternal immune system is constantly altered to accommodate the needs of the growing fetus, and melatonin acts as a key anti-inflammatory by regulating immune homeostasis during early and late gestation. This literature review aims to identify and summarize melatonin's role as a powerful antioxidant and anti-inflammatory that reduces oxidative stress and inflammation to maintain a favorable homeostatic environment in the placenta throughout gestation.
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Affiliation(s)
- Tyana T. Joseph
- Microbiology, Biochemistry and Immunology, Morehouse School of Medicine, Atlanta, GA, United States
| | - Viviane Schuch
- Microbiology, Biochemistry and Immunology, Morehouse School of Medicine, Atlanta, GA, United States
| | - Daniel J. Hossack
- Microbiology, Biochemistry and Immunology, Morehouse School of Medicine, Atlanta, GA, United States
| | - Rana Chakraborty
- Department of Pediatric and Adolescent Medicine, Mayo Clinic College of Medicine and Science, Rochester, MN, United States
| | - Erica L. Johnson
- Microbiology, Biochemistry and Immunology, Morehouse School of Medicine, Atlanta, GA, United States
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22
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Sérgio Galina Spilla C, Luiza Decanini Miranda de Souza A, Maria Guissoni Campos L, da Silveira Cruz-Machado S, Pinato L. LPS-induced inflammation in rats during pregnancy reduces maternal melatonin and impairs neurochemistry and behavior of adult male offspring. Brain Res 2024; 1824:148692. [PMID: 38036237 DOI: 10.1016/j.brainres.2023.148692] [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: 04/30/2023] [Revised: 11/22/2023] [Accepted: 11/27/2023] [Indexed: 12/02/2023]
Abstract
Inflammation during pregnancy can induce neurodevelopmental changes that affect the neurological health of offspring. Elevated levels of circulating inflammatory cytokines have been shown to decrease nocturnal melatonin synthesis by the pineal gland, potentially impacting fetal development. This study aimed to assess the effects of LPS-induced inflammation on melatonin concentrations in the plasma of pregnant female rats and explore resulting neurochemical and behavioral changes in their offspring. Our findings revealed that pregnant rats injected with LPS experienced decreased nocturnal melatonin levels in their plasma, with an increase in diurnal melatonin content. The offspring exhibited reduced performance in tests evaluating motor coordination and spatial memory compared to control subjects. Immunohistochemical analysis indicated a decline in calbindin immunoreactivity in Purkinje cells in the cerebellum. Additionally, the hippocampus displayed an increase in IBA-1 and calretinin expression, coupled with a reduction in parvalbumin expression in the offspring of the LPS group. Collectively, this study provides compelling evidence that an inflammatory state can lead to a reduction in melatonin synthesis in pregnant females, potentially impacting the neurodevelopment of offspring, including neuronal, glial, motor, and cognitive aspects. Subsequent studies will further elucidate the mechanisms underlying inflammation-induced maternal melatonin reduction and its impact on offspring neurodevelopment.
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Affiliation(s)
| | | | | | | | - Luciana Pinato
- Department of Speech, Language and Hearing Sciences, São Paulo State University (UNESP), Marília, São Paulo 17525-900, Brazil.
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23
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Kamfar WW, Khraiwesh HM, Ibrahim MO, Qadhi AH, Azhar WF, Ghafouri KJ, Alhussain MH, Aldairi AF, AlShahrani AM, Alghannam AF, Abdulal RH, Al-Slaihat AH, Qutob MS, Elrggal ME, Ghaith MM, Azzeh FS. Comprehensive review of melatonin as a promising nutritional and nutraceutical supplement. Heliyon 2024; 10:e24266. [PMID: 38293391 PMCID: PMC10825492 DOI: 10.1016/j.heliyon.2024.e24266] [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: 06/16/2023] [Revised: 10/05/2023] [Accepted: 01/05/2024] [Indexed: 02/01/2024] Open
Abstract
Background Melatonin is an indoleamine hormone secreted by the pineal gland at night and has an essential role in regulating human circadian rhythms (the internal 24-h clock) and sleep-wake patterns. However, it has recently gained considerable attention for its demonstrated ability in disease management. This review discusses the major biological activities of melatonin, its metabolites as nutritional supplements, and its bioavailability in food sources. Methods The information acquisition process involved conducting a comprehensive search across academic databases including PubMed, Scopus, Wiley, Embase, and Springer using relevant keywords. Only the most recent, peer-reviewed articles published in the English language were considered for inclusion. Results The molecular mechanisms by which melatonin induces its therapeutic effects have been the subject of various studies. Conclusion While melatonin was initially understood to only regulate circadian rhythms, recent studies indicate that it has a far-reaching effect on various organs and physiological systems, such as immunity, cardiovascular function, antioxidant defense, and lipid hemostasis. As a potent antioxidant, anti-cancer, anti-inflammatory, and immunoregulatory agent, multiple therapeutic applications have been proposed for melatonin.
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Affiliation(s)
- Waad W. Kamfar
- Department of Clinical Nutrition, Faculty of Applied Medical Sciences, UmmAl-Qura University, P.O. Box: 7067, Makkah, Saudi Arabia
- Medical Nutrition and Food Services Department, Almana Hospitals, Aziziah, Dammam, Saudi Arabia
| | - Husam M. Khraiwesh
- Department of Nutrition and Food Processing, Faculty of Agricultural Technology, Al-Balqa’ Applied University, Salt, Jordan
| | - Mohammed O. Ibrahim
- Department of Nutrition and Food Technology, Faculty of Agriculture, Mu'tah University, Karak, Jordan
| | - Alaa H. Qadhi
- Department of Clinical Nutrition, Faculty of Applied Medical Sciences, UmmAl-Qura University, P.O. Box: 7067, Makkah, Saudi Arabia
| | - Wedad F. Azhar
- Department of Clinical Nutrition, Faculty of Applied Medical Sciences, UmmAl-Qura University, P.O. Box: 7067, Makkah, Saudi Arabia
| | - Khloud J. Ghafouri
- Department of Clinical Nutrition, Faculty of Applied Medical Sciences, UmmAl-Qura University, P.O. Box: 7067, Makkah, Saudi Arabia
| | - Maha H. Alhussain
- Department of Food Science and Nutrition, College of Food and Agriculture Sciences, King Saud University, Riyadh, 11451, Saudi Arabia
| | - Abdullah F. Aldairi
- Faculty of Applied Medical Sciences, Department of Clinical Laboratory Sciences, Umm Al-Qura University, Al Abdeyah, Makkah, 7607, Saudi Arabia
| | - Abdullah M. AlShahrani
- Department of Basic Medical Sciences, College of Applied Medical Sciences, Khamis Mushayt, King Khalid University, Abha, 62561, Saudi Arabia
| | - Abdullah F. Alghannam
- Lifestyle and Health Research Center, Health Sciences Research Center, Princess Nourah Bint Abdulrahman University, Riyadh, 84428, Saudi Arabia
| | - Rwaa H. Abdulal
- Vaccines and Immunotherapy Unit, King Fahd Medical Research Center, King Abdulaziz University, Jeddah, 21589, Saudi Arabia
- Department of Biology, Faculty of Science, King Abdulaziz University, Jeddah, 21589, Saudi Arabia
| | - Abed H. Al-Slaihat
- Department of Nutrition and Food Technology, School of Agriculture, The University of Jordan, Amman, Jordan
| | - Maysoun S. Qutob
- Clinical Nutrition and Dietetics Department, Faculty of Allied Medical Sciences, Applied Science Private University, Amman, Jordan
| | | | - Mazen M. Ghaith
- Faculty of Applied Medical Sciences, Department of Clinical Laboratory Sciences, Umm Al-Qura University, Al Abdeyah, Makkah, 7607, Saudi Arabia
| | - Firas S. Azzeh
- Department of Clinical Nutrition, Faculty of Applied Medical Sciences, UmmAl-Qura University, P.O. Box: 7067, Makkah, Saudi Arabia
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24
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Martínez-Casales M, Hernanz R, González-Carnicero Z, Barrús MT, Martín A, Briones AM, Michalska P, León R, Pinilla E, Simonsen U, Alonso MJ. The Melatonin Derivative ITH13001 Prevents Hypertension and Cardiovascular Alterations in Angiotensin II-Infused Mice. J Pharmacol Exp Ther 2024; 388:670-687. [PMID: 38129126 DOI: 10.1124/jpet.123.001586] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2023] [Revised: 11/07/2023] [Accepted: 11/09/2023] [Indexed: 12/23/2023] Open
Abstract
Inflammatory mechanisms and oxidative stress seem to contribute to the pathogenesis of hypertension. ITH13001 is a melatonin-phenyl-acrylate hybrid that moderately induces the antioxidant transcription factor Nrf2 (nuclear factor erythroid 2-related factor 2) and has a potent oxidant scavenging effect compared with other derivatives of its family. Here we investigated the effect of ITH13001 on hypertension and the associated cardiovascular alterations. Angiotensin II (AngII)-infused mice were treated with ITH13001 (1 mg/kg per day, i.p.) for 2 weeks. The ITH13001 treatment prevented: 1) the development of hypertension, cardiac hypertrophy, and increased collagen and B-type natriuretic peptide (Bnp) expression in the heart; 2) the reduction of elasticity, incremental distensibility, fenestrae area, intraluminal diameter, and endothelial cell number in mesenteric resistance arteries (MRA); 3) the endothelial dysfunction in aorta and MRA; 4) the plasma and cardiovascular oxidative stress and the reduced aortic nitric oxide (NO) bioavailability; 5) the increased cardiac levels of the cytokines interleukin (IL)-1β, IL-6, and C-C motif chemokine ligand 2 (Ccl2), the T cell marker cluster of differentiation 3 (Cd3), the inflammasome NLRP3 (NOD-, LRR-, and pyrin domain-containing protein 3), the proinflammatory enzymes inducible nitric oxide synthase (iNOS) and COX-2, the toll-like receptor 4 (TLR4) adapter protein myeloid differentiation primary response 88 (MyD88), and the nuclear factor kappa B (NF-κB) subunit p65; 6) the greater aortic expression of the cytokines tumor necrosis factor alpha (Tnf-α), Ccl2 and IL-6, Cd3, iNOS, MyD88, and NLRP3. Although ITH13001 increased nuclear Nrf2 levels and heme oxygenase 1 (HO-1) expression in vascular smooth muscle cells, both cardiac and vascular Nrf2, Ho-1, and NADPH quinone dehydrogenase 1 (Nqo1) levels remained unmodified irrespective of AngII infusion. Summarizing, ITH13001 improved hypertension-associated cardiovascular alterations independently of Nrf2 pathway activation, likely due to its direct antioxidant and anti-inflammatory properties. Therefore, ITH13001 could be a useful therapeutic strategy in patients with resistant hypertension. SIGNIFICANCE STATEMENT: Despite the existing therapeutic arsenal, only half of the patients treated for hypertension have adequately controlled blood pressure; therefore, the search for new compounds to control this pathology and the associated damage to end-target organs (cerebral, cardiac, vascular, renal) is of particular interest. The present study demonstrates that a new melatonin derivative, ITH13001, prevents hypertension development and the associated cardiovascular alterations due to its antioxidant and anti-inflammatory properties, making this compound a potential candidate for treatment of resistant hypertensive patients.
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Affiliation(s)
- Marta Martínez-Casales
- Departamento de Ciencias Básicas de la Salud, Facultad de Ciencias de la Salud, Universidad Rey Juan Carlos (URJC), Alcorcón, Spain (M.M.-C., R.H., Z.G.-C, M.T.B., A.M., M.J.A.); Centro de Investigación Biomédica en Red de Enfermedades Cardiovasculares (CIBERCV), Madrid, Spain (R.H., A.M., A.M.B., M.J.A.); Departamento de Farmacología, Facultad de Medicina, Universidad Autónoma de Madrid (UAM), Madrid, Spain (A.M.B.); Department of Chemistry, Molecular Sciences Research Hub, Imperial College London, London, UK (P.M.); Instituto de Química Médica (IQM-CSIC), Madrid, Spain (R.L.); and Department of Biomedicine, Pulmonary and Cardiovascular Pharmacology, Faculty of Health, Aarhus University, Aarhus, Denmark (E.P., U.S.)
| | - Raquel Hernanz
- Departamento de Ciencias Básicas de la Salud, Facultad de Ciencias de la Salud, Universidad Rey Juan Carlos (URJC), Alcorcón, Spain (M.M.-C., R.H., Z.G.-C, M.T.B., A.M., M.J.A.); Centro de Investigación Biomédica en Red de Enfermedades Cardiovasculares (CIBERCV), Madrid, Spain (R.H., A.M., A.M.B., M.J.A.); Departamento de Farmacología, Facultad de Medicina, Universidad Autónoma de Madrid (UAM), Madrid, Spain (A.M.B.); Department of Chemistry, Molecular Sciences Research Hub, Imperial College London, London, UK (P.M.); Instituto de Química Médica (IQM-CSIC), Madrid, Spain (R.L.); and Department of Biomedicine, Pulmonary and Cardiovascular Pharmacology, Faculty of Health, Aarhus University, Aarhus, Denmark (E.P., U.S.)
| | - Zoe González-Carnicero
- Departamento de Ciencias Básicas de la Salud, Facultad de Ciencias de la Salud, Universidad Rey Juan Carlos (URJC), Alcorcón, Spain (M.M.-C., R.H., Z.G.-C, M.T.B., A.M., M.J.A.); Centro de Investigación Biomédica en Red de Enfermedades Cardiovasculares (CIBERCV), Madrid, Spain (R.H., A.M., A.M.B., M.J.A.); Departamento de Farmacología, Facultad de Medicina, Universidad Autónoma de Madrid (UAM), Madrid, Spain (A.M.B.); Department of Chemistry, Molecular Sciences Research Hub, Imperial College London, London, UK (P.M.); Instituto de Química Médica (IQM-CSIC), Madrid, Spain (R.L.); and Department of Biomedicine, Pulmonary and Cardiovascular Pharmacology, Faculty of Health, Aarhus University, Aarhus, Denmark (E.P., U.S.)
| | - María T Barrús
- Departamento de Ciencias Básicas de la Salud, Facultad de Ciencias de la Salud, Universidad Rey Juan Carlos (URJC), Alcorcón, Spain (M.M.-C., R.H., Z.G.-C, M.T.B., A.M., M.J.A.); Centro de Investigación Biomédica en Red de Enfermedades Cardiovasculares (CIBERCV), Madrid, Spain (R.H., A.M., A.M.B., M.J.A.); Departamento de Farmacología, Facultad de Medicina, Universidad Autónoma de Madrid (UAM), Madrid, Spain (A.M.B.); Department of Chemistry, Molecular Sciences Research Hub, Imperial College London, London, UK (P.M.); Instituto de Química Médica (IQM-CSIC), Madrid, Spain (R.L.); and Department of Biomedicine, Pulmonary and Cardiovascular Pharmacology, Faculty of Health, Aarhus University, Aarhus, Denmark (E.P., U.S.)
| | - Angela Martín
- Departamento de Ciencias Básicas de la Salud, Facultad de Ciencias de la Salud, Universidad Rey Juan Carlos (URJC), Alcorcón, Spain (M.M.-C., R.H., Z.G.-C, M.T.B., A.M., M.J.A.); Centro de Investigación Biomédica en Red de Enfermedades Cardiovasculares (CIBERCV), Madrid, Spain (R.H., A.M., A.M.B., M.J.A.); Departamento de Farmacología, Facultad de Medicina, Universidad Autónoma de Madrid (UAM), Madrid, Spain (A.M.B.); Department of Chemistry, Molecular Sciences Research Hub, Imperial College London, London, UK (P.M.); Instituto de Química Médica (IQM-CSIC), Madrid, Spain (R.L.); and Department of Biomedicine, Pulmonary and Cardiovascular Pharmacology, Faculty of Health, Aarhus University, Aarhus, Denmark (E.P., U.S.)
| | - Ana M Briones
- Departamento de Ciencias Básicas de la Salud, Facultad de Ciencias de la Salud, Universidad Rey Juan Carlos (URJC), Alcorcón, Spain (M.M.-C., R.H., Z.G.-C, M.T.B., A.M., M.J.A.); Centro de Investigación Biomédica en Red de Enfermedades Cardiovasculares (CIBERCV), Madrid, Spain (R.H., A.M., A.M.B., M.J.A.); Departamento de Farmacología, Facultad de Medicina, Universidad Autónoma de Madrid (UAM), Madrid, Spain (A.M.B.); Department of Chemistry, Molecular Sciences Research Hub, Imperial College London, London, UK (P.M.); Instituto de Química Médica (IQM-CSIC), Madrid, Spain (R.L.); and Department of Biomedicine, Pulmonary and Cardiovascular Pharmacology, Faculty of Health, Aarhus University, Aarhus, Denmark (E.P., U.S.)
| | - Patrycja Michalska
- Departamento de Ciencias Básicas de la Salud, Facultad de Ciencias de la Salud, Universidad Rey Juan Carlos (URJC), Alcorcón, Spain (M.M.-C., R.H., Z.G.-C, M.T.B., A.M., M.J.A.); Centro de Investigación Biomédica en Red de Enfermedades Cardiovasculares (CIBERCV), Madrid, Spain (R.H., A.M., A.M.B., M.J.A.); Departamento de Farmacología, Facultad de Medicina, Universidad Autónoma de Madrid (UAM), Madrid, Spain (A.M.B.); Department of Chemistry, Molecular Sciences Research Hub, Imperial College London, London, UK (P.M.); Instituto de Química Médica (IQM-CSIC), Madrid, Spain (R.L.); and Department of Biomedicine, Pulmonary and Cardiovascular Pharmacology, Faculty of Health, Aarhus University, Aarhus, Denmark (E.P., U.S.)
| | - Rafael León
- Departamento de Ciencias Básicas de la Salud, Facultad de Ciencias de la Salud, Universidad Rey Juan Carlos (URJC), Alcorcón, Spain (M.M.-C., R.H., Z.G.-C, M.T.B., A.M., M.J.A.); Centro de Investigación Biomédica en Red de Enfermedades Cardiovasculares (CIBERCV), Madrid, Spain (R.H., A.M., A.M.B., M.J.A.); Departamento de Farmacología, Facultad de Medicina, Universidad Autónoma de Madrid (UAM), Madrid, Spain (A.M.B.); Department of Chemistry, Molecular Sciences Research Hub, Imperial College London, London, UK (P.M.); Instituto de Química Médica (IQM-CSIC), Madrid, Spain (R.L.); and Department of Biomedicine, Pulmonary and Cardiovascular Pharmacology, Faculty of Health, Aarhus University, Aarhus, Denmark (E.P., U.S.)
| | - Estefano Pinilla
- Departamento de Ciencias Básicas de la Salud, Facultad de Ciencias de la Salud, Universidad Rey Juan Carlos (URJC), Alcorcón, Spain (M.M.-C., R.H., Z.G.-C, M.T.B., A.M., M.J.A.); Centro de Investigación Biomédica en Red de Enfermedades Cardiovasculares (CIBERCV), Madrid, Spain (R.H., A.M., A.M.B., M.J.A.); Departamento de Farmacología, Facultad de Medicina, Universidad Autónoma de Madrid (UAM), Madrid, Spain (A.M.B.); Department of Chemistry, Molecular Sciences Research Hub, Imperial College London, London, UK (P.M.); Instituto de Química Médica (IQM-CSIC), Madrid, Spain (R.L.); and Department of Biomedicine, Pulmonary and Cardiovascular Pharmacology, Faculty of Health, Aarhus University, Aarhus, Denmark (E.P., U.S.)
| | - Ulf Simonsen
- Departamento de Ciencias Básicas de la Salud, Facultad de Ciencias de la Salud, Universidad Rey Juan Carlos (URJC), Alcorcón, Spain (M.M.-C., R.H., Z.G.-C, M.T.B., A.M., M.J.A.); Centro de Investigación Biomédica en Red de Enfermedades Cardiovasculares (CIBERCV), Madrid, Spain (R.H., A.M., A.M.B., M.J.A.); Departamento de Farmacología, Facultad de Medicina, Universidad Autónoma de Madrid (UAM), Madrid, Spain (A.M.B.); Department of Chemistry, Molecular Sciences Research Hub, Imperial College London, London, UK (P.M.); Instituto de Química Médica (IQM-CSIC), Madrid, Spain (R.L.); and Department of Biomedicine, Pulmonary and Cardiovascular Pharmacology, Faculty of Health, Aarhus University, Aarhus, Denmark (E.P., U.S.)
| | - María J Alonso
- Departamento de Ciencias Básicas de la Salud, Facultad de Ciencias de la Salud, Universidad Rey Juan Carlos (URJC), Alcorcón, Spain (M.M.-C., R.H., Z.G.-C, M.T.B., A.M., M.J.A.); Centro de Investigación Biomédica en Red de Enfermedades Cardiovasculares (CIBERCV), Madrid, Spain (R.H., A.M., A.M.B., M.J.A.); Departamento de Farmacología, Facultad de Medicina, Universidad Autónoma de Madrid (UAM), Madrid, Spain (A.M.B.); Department of Chemistry, Molecular Sciences Research Hub, Imperial College London, London, UK (P.M.); Instituto de Química Médica (IQM-CSIC), Madrid, Spain (R.L.); and Department of Biomedicine, Pulmonary and Cardiovascular Pharmacology, Faculty of Health, Aarhus University, Aarhus, Denmark (E.P., U.S.)
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25
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Postolache TT, Al Tinawi QM, Gragnoli C. The melatonin receptor genes are linked and associated with the risk of polycystic ovary syndrome. J Ovarian Res 2024; 17:17. [PMID: 38217063 PMCID: PMC10787433 DOI: 10.1186/s13048-024-01343-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2023] [Accepted: 01/02/2024] [Indexed: 01/14/2024] Open
Abstract
Polycystic ovarian syndrome (PCOS) is a genetically complex disorder that involves the interplay of multiple genes and environmental factors. It is characterized by anovulation and irregular menses and is associated with type 2 diabetes. Neuroendocrine pathways and ovarian and adrenal dysfunctions are possibly implicated in the disorder pathogenesis. The melatonin system plays a role in PCOS. Melatonin receptors are expressed on the surface of ovarian granulosa cells, and variations in the melatonin receptor genes have been associated with increased risk of PCOS in both familial and sporadic cases. We have recently reported the association of variants in MTNR1A and MTNR1B genes with familial type 2 diabetes. In this study, we aimed to investigate whether MTNR1A and MTNR1B contribute to PCOS risk in peninsular families. In 212 Italian families phenotyped for PCOS, we amplified by microarray 14 variants in the MTNR1A gene and 6 variants in the MTNR1B gene and tested them for linkage and linkage disequilibrium with PCOS. We detected 4 variants in the MTNR1A gene and 2 variants in the MTNR1B gene significantly linked and/or in linkage disequilibrium with the risk of PCOS (P < 0.05). All variants are novel and have not been reported before with PCOS or any of its related phenotypes, except for 3 variants previously reported by us to confer risk for type 2 diabetes and 1 variant for type 2 diabetes-depression comorbidity. These findings implicate novel melatonin receptor genes' variants in the risk of PCOS with potential functional roles.
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Affiliation(s)
- Teodor T Postolache
- Mood and Anxiety Program, Department of Psychiatry, University of Maryland School of Medicine, Baltimore, MD, 21201, USA
- Rocky Mountain Mental Illness Research Education and Clinical Center (MIRECC), Consortium for Research and Education (MVM-CoRE), Denver, CO, 80246, USA
- Mental Illness Research Education and Clinical Center (MIRECC), Veterans Integrated Service Network (VISN) 5, VA Capitol Health Care Network, Baltimore, MD, 21090, USA
| | - Qamar M Al Tinawi
- Department of Medicine, Creighton University School of Medicine, Omaha, NE, 68124, USA
| | - Claudia Gragnoli
- Department of Medicine, Creighton University School of Medicine, Omaha, NE, 68124, USA.
- Division of Endocrinology, Department of Medicine, Creighton University School of Medicine, Omaha, NE, 68124, USA.
- Department of Public Health Sciences, Penn State College of Medicine, Hershey, PA, 17033, USA.
- Molecular Biology Laboratory, Bios Biotech Multi-Diagnostic Health Center, Rome, 00197, Italy.
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Yang TN, Wang YX, Jian PA, Ma XY, Zhu SY, Li XN, Li JL. Exogenous Melatonin Alleviates Atrazine-Induced Glucose Metabolism Disorders in Mice Liver via Suppressing Endoplasmic Reticulum Stress. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2024; 72:742-751. [PMID: 38111124 DOI: 10.1021/acs.jafc.3c06441] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/20/2023]
Abstract
Atrazine (ATZ) is a widely used herbicide that has toxic effects on animals. Melatonin (MLT) is a natural hormone with strong antioxidant properties. However, the effect of MLT on the glucose metabolism disorder caused by ATZ is still unclear. Mice were divided into four groups randomly and given 21 days of gavage: blank control group (Con), 5 mg/kg MLT group (MLT), 170 mg/kg ATZ group (ATZ), and 170 mg/kg ATZ and 5 mg/kg MLT group (ATZ + MLT). The results show that ATZ alters mRNA levels of metabolic enzymes related to glycogen synthesis and glycolysis and increased metabolites (glycogen, lactate, and pyruvate). ATZ causes abnormalities in glucose metabolism in mouse liver, interfering with glycemia regulation ability. MLT can regulate the endoplasmic reticulum to respond to disordered glucose metabolism in mice liver. This study suggested that MLT has the power to alleviate the ATZ-induced glycogen overdeposition and glycolytic deficit.
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Affiliation(s)
- Tian-Ning Yang
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, P. R. China
| | - Yu-Xiang Wang
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, P. R. China
| | - Ping-An Jian
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, P. R. China
| | - Xiang-Yu Ma
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, P. R. China
| | - Shi-Yong Zhu
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, P. R. China
| | - Xue-Nan Li
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, P. R. China
- Key Laboratory of the Provincial Education Department of Heilongjiang for Common Animal Disease Prevention and Treatment, Northeast Agricultural University, Harbin 150030, P. R. China
- Heilongjiang Key Laboratory for Laboratory Animals and Comparative Medicine, Northeast Agricultural University, Harbin 150030, P. R. China
| | - Jin-Long Li
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, P. R. China
- Key Laboratory of the Provincial Education Department of Heilongjiang for Common Animal Disease Prevention and Treatment, Northeast Agricultural University, Harbin 150030, P. R. China
- Heilongjiang Key Laboratory for Laboratory Animals and Comparative Medicine, Northeast Agricultural University, Harbin 150030, P. R. China
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Mahjoub L, Youssef R, Yaakoubi H, Salah HB, Jaballah R, Mejri M, Sekma A, Trabelsi I, Nouira S, Khrouf M, Soltane HB, Mezgar Z, Boukadida L, Zorgati A, Boukef R. Melatonin, vitamins and minerals supplements for the treatment of Covid-19 and Covid-like illness: A prospective, randomized, double-blind multicenter study. Explore (NY) 2024; 20:95-100. [PMID: 37419768 PMCID: PMC10281695 DOI: 10.1016/j.explore.2023.06.009] [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: 04/05/2023] [Revised: 06/09/2023] [Accepted: 06/19/2023] [Indexed: 07/09/2023]
Abstract
BACKGROUND Melatonin, zinc, and multivitamins are among most recommended supplements in the fight against coronavirus disease 2019 (COVID-19). We aimed to examine the efficacy and safety of this association in the treatment of COVID-19 and COVID-like illnesses. METHODS We conducted a multicenter prospective, randomized, double-blind, controlled trial. Patients with no medical history consulting the emergency department for covid and covid-like illness and who were not hospitalized were included. Patients were assigned in a 1:1 ratio to the treatment or the placebo group. The primary outcome was studying the effectiveness of zinc multivitamin supplement and melatonin in the treatment of COVID and -like illnesses symptoms' according to the time from randomization to clinical improvement. The pre-specified secondary outcomes were date of disappearance of symptoms present on admission, appearance of an adverse effect due to the administration of the treatment, number of patients developing complications, requiring hospitalization, requiring respiratory support. RESULTS One hundred sixty four patients were eligible for the study and were randomized to either the treatment group or the placebo group. Overall, 128 of the 164 patients had a PCR for SARS-CoV-2, yielding a positive PCR result in 49.1% of them. Regarding the disappearance of all initial presenting symptoms: on the 5th day of the follow-up, there was a significant difference between the two groups with a p value 0.04;On the 10th day, there was a significant difference too with p value of 0.038. There were no significant differences between the two groups in recovery during the 15th day of follow-up p>0.5. Finally, 100% of patients fully recovered in the treatment group vs 98.8% in the placebo group. No severe adverse events were reported throughout the trial. CONCLUSIONS Our results showed that daily doses of Melatonin, zinc and vitamins did significantly reduce the duration of symptoms accelerating its disappearance among patients consulting with COVID-19 or COVID-19 like illness.
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Affiliation(s)
- Lobna Mahjoub
- Emergency Department, Sahloul University Hospital, 4011 Sousse, Tunisia
| | - Rym Youssef
- Emergency Department, Sahloul University Hospital, 4011 Sousse, Tunisia
| | - Hajer Yaakoubi
- Emergency Department, Sahloul University Hospital, 4011 Sousse, Tunisia
| | - Houda Ben Salah
- Emergency Department, Sahloul University Hospital, 4011 Sousse, Tunisia
| | - Rahma Jaballah
- Emergency Department, Sahloul University Hospital, 4011 Sousse, Tunisia.
| | - Moez Mejri
- Emergency Department, Sahloul University Hospital, 4011 Sousse, Tunisia
| | - Adel Sekma
- Research Laboratory LR12SP18, Monastir University, 5019 Tunisia
| | - Imen Trabelsi
- Research Laboratory LR12SP18, Monastir University, 5019 Tunisia
| | - Semir Nouira
- Research Laboratory LR12SP18, Monastir University, 5019 Tunisia
| | - Mariem Khrouf
- Emergency department, Farhat Hached University Hospital, 4031 Sousse, Tunisia
| | - Houda Ben Soltane
- Emergency department, Farhat Hached University Hospital, 4031 Sousse, Tunisia
| | - Zied Mezgar
- Emergency department, Farhat Hached University Hospital, 4031 Sousse, Tunisia
| | - Lotfi Boukadida
- Emergency Department, Sahloul University Hospital, 4011 Sousse, Tunisia
| | - Asma Zorgati
- Emergency Department, Sahloul University Hospital, 4011 Sousse, Tunisia
| | - Riadh Boukef
- Emergency Department, Sahloul University Hospital, 4011 Sousse, Tunisia
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Dong Y, Cao X, Huang J, Hu Z, Chen C, Chen M, Long Q, Xu Z, Lv D, Rong Y, Luo S, Wang H, Deng W, Tang B. Melatonin inhibits fibroblast cell functions and hypertrophic scar formation by enhancing autophagy through the MT2 receptor-inhibited PI3K/Akt /mTOR signaling. Biochim Biophys Acta Mol Basis Dis 2024; 1870:166887. [PMID: 37739092 DOI: 10.1016/j.bbadis.2023.166887] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2023] [Revised: 09/11/2023] [Accepted: 09/12/2023] [Indexed: 09/24/2023]
Abstract
Hypertrophic scar (HS) is a fibrotic skin condition and characterized by abnormal proliferation of myofibroblasts and accumulation of extracellular matrix. Melatonin, an endogenous hormone, can alleviate fibrosis in multiple models of diseases. This study examined the effect of melatonin on fibrosis in primary fibroblasts from human HS (HSFs) and a rabbit ear model and potential mechanisms. Melatonin treatment significantly decreased the migration and contraction capacity, collagen and α-smooth muscle actin (α-SMA) production in HSFs. RNA-sequencing and bioinformatic analyses indicated that melatonin modulated the expression of genes involved in autophagy and oxidative stress. Mechanistically, melatonin treatment attenuated the AKT/mTOR activation through affecting the binding of MT2 receptor with PI3K to enhance autophagy, decreasing fibrogenic factor production in HSFs. Moreover, melatonin treatment inhibited HS formation in rabbit ears by enhancing autophagy. The anti-fibrotic effects of melatonin were abrogated by treatment with an autophagy inhibitor (3-methyladenine, 3-MA), an Akt activator (SC79), or an MT2 selective antagonist (4-phenyl-2propionamidotetralin, 4-P-PDOT). Therefore, melatonin may be a potential drug for prevention and treatment of HS.
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Affiliation(s)
- Yunxian Dong
- Department of Burns, Wound Repair and Reconstruction, the First Affiliated Hospital of Sun Yat-sen University, Guangzhou, China; Department of Plastic and Reconstructive Surgery, Guangdong Second Provincial General Hospital, Guangzhou, China
| | - Xiaoling Cao
- Department of Burns, Wound Repair and Reconstruction, the First Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
| | - Jinsheng Huang
- Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Canter of Cancer Medicine, Guangzhou, China
| | - Zhicheng Hu
- Department of Burns, Wound Repair and Reconstruction, the First Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
| | - Chufen Chen
- Department of Burns, Wound Repair and Reconstruction, the First Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
| | - Miao Chen
- Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Canter of Cancer Medicine, Guangzhou, China
| | - Qian Long
- Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Canter of Cancer Medicine, Guangzhou, China
| | - Zhongye Xu
- Department of Burns, Wound Repair and Reconstruction, the First Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
| | - Dongming Lv
- Department of Burns, Wound Repair and Reconstruction, the First Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
| | - Yanchao Rong
- Department of Burns, Wound Repair and Reconstruction, the First Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
| | - Shengkang Luo
- Department of Plastic and Reconstructive Surgery, Guangdong Second Provincial General Hospital, Guangzhou, China
| | - Haibin Wang
- Department of Plastic and Reconstructive Surgery, Guangdong Second Provincial General Hospital, Guangzhou, China
| | - Wuguo Deng
- Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Canter of Cancer Medicine, Guangzhou, China.
| | - Bing Tang
- Department of Burns, Wound Repair and Reconstruction, the First Affiliated Hospital of Sun Yat-sen University, Guangzhou, China.
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Faria VS, Messias LHD, Pejon TMM, Beck WR. Influence of Acute Melatonin Administration on Human Physical Performance: A Systematic Review. Sports Health 2024; 16:70-78. [PMID: 36872593 PMCID: PMC10732111 DOI: 10.1177/19417381231155142] [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] [Indexed: 03/07/2023] Open
Abstract
CONTEXT Melatonin is an ancient molecule with a wide range of functions in mammals, such as antioxidant, anti-inflammatory, and hypothermic effects among others. However, the influence of acute melatonin administration on human physical performance is debatable. OBJECTIVE To summarize available data from controlled trials about the effects of acute melatonin administration on human physical performance, especially with respect to strength, power, speed, and short- and long-term continuous exercise. DATA SOURCES A systematic search of the PubMed, Web of Science, Scopus, Embase, and Cochrane databases up to December 10, 2021, was conducted using specified keywords and Boolean operators ("melatonin" AND "exercise OR circuit-based exercise OR plyometric exercise OR exercise tolerance OR exercise test"). STUDY SELECTION Only controlled studies in the English language and with humans were accepted. STUDY DESIGN Systematic review. LEVEL OF EVIDENCE Level 1. DATA EXTRACTION Participants' characteristics (sex, age, body mass, height and fat percentage), melatonin dose and administration time, and outcomes from the performance trial were extracted. RESULTS A total of 10 studies were identified after the screening process. Overall, melatonin did not change speed or short-term continuous exercise performances. However, in relation to strength and power, the results are debatable since 5 articles showed no difference, while another 2 pointed to a decrease in performance. In terms of performance improvement, only 1 study reported an increase in balance and another in long-term continuous exercise performance in nonathletes, with no advantage found for athletes. CONCLUSION Melatonin did not cause any significant change in strength, speed, power, and short-term continuous exercise performances. In fact, it led to reduced strength and power performances in specific tests. On the other hand, melatonin seems to have improved balance and long-term continuous exercise performance, at least in nonathletes. More investigations are required to corroborate these findings.
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Affiliation(s)
- Vinícius Silva Faria
- Laboratory of Endocrine Physiology and Physical Exercise, Department of Physiological Sciences, Federal University of São Carlos, São Carlos, SP, Brazil
| | - Leonardo Henrique Dalcheco Messias
- Research Group on Technology Applied to Exercise Physiology - GTAFE, Health Sciences Postgraduate Program, São Francisco University, Bragança Paulista, SP, Brazil
| | - Taciane Maria Melges Pejon
- Laboratory of Endocrine Physiology and Physical Exercise, Department of Physiological Sciences, Federal University of São Carlos, São Carlos, SP, Brazil
| | - Wladimir Rafael Beck
- Laboratory of Endocrine Physiology and Physical Exercise, Department of Physiological Sciences, Federal University of São Carlos, São Carlos, SP, Brazil
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Sun M, Zhang Z, Yin Y, Yu L, Jiang W, Zhang C, Gu C, Ma H, Wang Y. Melatonin enhanced the cardioprotective effects of HTK solution on Langendorff-perfused mouse hearts subjected to ischemia/reperfusion. IRANIAN JOURNAL OF BASIC MEDICAL SCIENCES 2024; 27:366-374. [PMID: 38333753 PMCID: PMC10849209 DOI: 10.22038/ijbms.2023.74152.16109] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Figures] [Subscribe] [Scholar Register] [Received: 08/04/2023] [Accepted: 10/18/2023] [Indexed: 02/10/2024]
Abstract
Objectives Cardiac arrest is a crucial procedure in various cardiac surgeries, during which the heart is subjected to an ischemic state. The occurrence of ischemia/reperfusion (I/R) injury is inevitable due to aortic blockage and opening. The Histidine-tryptophan-ketoglutarate (HTK) solution is commonly used as an organ protection liquid to mitigate cardiac injury during cardiac surgery. Despite its widespread use, there is significant potential for improving its protective efficacy. Materials and Methods The cardioprotective effect of HTK solution with and without melatonin was evaluated using the isolated Langendorff-perfused mouse heart model. The isolated C57bL/6 mouse hearts were randomly divided into four groups: control, I/R, HTK solution treatment before reperfusion (HTK+I/R), and HTK solution combined with melatonin before reperfusion (HTK+M+I/R). Cardiac function and myocardial injury markers were then measured. AMP-activated protein kinase α2 (AMPKα2) KO mice were used to investigate the underlying mechanism. Results In our study, we found that melatonin significantly improved the protective effects of HTK solution in an isolated Langendorff-perfused mouse model, mechanistically by reducing mitochondrial damage, improving energy metabolism, inhibiting cardiomyocyte apoptosis, and reducing myocardial infarction size. We also observed that the HTK solution alone was ineffective in inhibiting ER stress, but when melatonin was added, there was a significant reduction in ER stress. Furthermore, melatonin was found to alleviate carbonyl stress during cardiac I/R. Interestingly, our results showed that the cardioprotective properties of melatonin were dependent on AMPKα2. Conclusion The findings presented in this study offer a valuable empirical foundation for the development of perioperative cardioprotective strategies.
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Affiliation(s)
- Mingchu Sun
- Institute of Medical Research, Northwestern Polytechnical University, Xi’an Shaanxi, 710072 China
| | - Zihui Zhang
- Institute of Medical Research, Northwestern Polytechnical University, Xi’an Shaanxi, 710072 China
| | - Yue Yin
- Department of Physiology and Pathophysiology, School of Basic Medicine, Fourth Military Medical University, Xi’an, 710032 China
| | - Lu Yu
- Department of Pathology, Xijing Hospital, Fourth Military Medical University, Xi’an 710032, China
| | - Wenhua Jiang
- Institute of Medical Research, Northwestern Polytechnical University, Xi’an Shaanxi, 710072 China
| | - Chan Zhang
- Institute of Medical Research, Northwestern Polytechnical University, Xi’an Shaanxi, 710072 China
| | - Chunhu Gu
- Department of Cardiovascular Surgery, Xijing Hospital, Fourth Military Medical University, Xi’an 710032, China
| | - Heng Ma
- Department of Physiology and Pathophysiology, School of Basic Medicine, Fourth Military Medical University, Xi’an, 710032 China
| | - Yishi Wang
- Department of Physiology and Pathophysiology, School of Basic Medicine, Fourth Military Medical University, Xi’an, 710032 China
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Bachmeier E, Wietz FM, Porta DJ, Moine L, Dubersarsky CG, Francia CM, Samar ME, Rivoira MA, Mazzeo MA. [Melatonin reverses oxidative damage in the submandibular gland of rats treated with Cyclophosphamide]. REVISTA DE LA FACULTAD DE CIENCIAS MÉDICAS 2023; 80:404-419. [PMID: 38150204 PMCID: PMC10851403 DOI: 10.31053/1853.0605.v80.n4.40930] [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: 04/21/2023] [Accepted: 09/25/2023] [Indexed: 12/28/2023] Open
Abstract
Objetive Cyclophosphamide (Cf) produces oxidative damage in rat submandibular gland (GSM). In the present work we evaluated the antioxidant protective effect of melatonin (MLT) in GSM of rats treated with Cf. Methods 40 adult male Wistar rats were divided into 5 groups (G): G1: control; G2: Control+Ethanol: treated with 1% ethanol for 10 consecutive days. On days 11 and 12 they received a dose of saline; G3: Cf: treated with 1% ethanol for 12 days, days 11 and 12 they received an intraperitoneal (i.p.) dose of Cf 50 mg/Kg/kg of saline. ) of Cf 50 mg/kg bw; G4: Cf + MLT: MLT (5 mg/kg bw, intraperitoneal, dissolved in 1% ethanol) was administered daily, days 11 and 12 received Cf same as G3; G5: MLT: treated 12 consecutive days with MLT (same dose as G4). After 12 hours of fasting, animals were anesthetized to obtain both submandibular glands, then they were sacrificed. Uric acid (UA), lipid peroxides (LPs), aqueous peroxides (APs) and superoxide dismutase (SOD) activity were measured in submandibular gland homogenate. Statistical analysis: we used ANOVA and Bonferroni test pos hoc, considering significant p<0.05. Results Cf treatment decreased AU concentration and SOD activity (AU, mg/mg prot., G1: 2.50±0.68; G2: 2.18±0.13; G3: 0.54±0.09* G4: 1.95±0.24#, G5: 2.64±0.47, *p<0.01 G3 vs G1, G2, G4; #p<0.01 G4 vs G3 and G5; SOD, U/mg prot, G1: 4.57±0.95, G2: 4.79±0.94, G3: 2.18±0.53*, G4: 5.13±1.10, G5: 5.09±0.39, *p< 0.01 G3 vs G1, G2, G4 and G5). MLT treatment prevented these effects. In addition, Cf increased PL and PA formation. Conclusion MLT improved the redox status in GSM of Cf-treated rats. MLT could prevent oxidative processes in GSM produced by Cf.
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Affiliation(s)
| | - Fernando Martin Wietz
- Universidad Nacional de Córdoba. Facultad de Odontología. Cátedra de Fisiología. Argentina..
| | - Daniela Josefina Porta
- Universidad Nacional de Córdoba. Facultad de Odontología. Cátedra de Fisiología; Instituto de Investigaciones en Ciencias de la Salud. INICSA-CONICET. Facultad de Ciencias Médicas; Argentina..
| | - Lorena Moine
- Universidad Nacional de Córdoba. Facultad de Odontología. Cátedra de Fisiología; Argentina..
| | | | - Catalina Melchora Francia
- Universidad Nacional de Cordoba. Facultad de Odontología. Catedra de Farmacología y Terapéutica "A"; Argentina..
| | - Maria Elena Samar
- Doctora en Medicina. Profesora Plenaria, Universidad Nacional de Cordoba. Facultad de Odontologia. Catedra de Fisiologia; Argentina.
| | - Maria Angelica Rivoira
- Doctora en Ciencias de la Salud. Universidad Nacional de Córdoba. Facultad de Odontología. Cátedra de Fisiología; Instituto de Investigaciones en Ciencias de la Salud. INICSA-CONICET. Facultad de Ciencias Médicas; Argentina..
| | - Marcelo Adrian Mazzeo
- Universidad Nacional de Córdoba. Facultad de Odontología. Cátedra de Fisiología; Argentina..
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Peng X, Wang J, Li Z, Jia X, Zhang A, Ju J, Eulenburg V, Gao F. Toll-like Receptor 2-Melatonin Feedback Loop Regulates the Activation of Spinal NLRP3 Inflammasome in Morphine-Tolerant Rats. Neurochem Res 2023; 48:3597-3609. [PMID: 37561258 DOI: 10.1007/s11064-023-03998-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2023] [Revised: 07/13/2023] [Accepted: 07/17/2023] [Indexed: 08/11/2023]
Abstract
BACKGROUND AND PURPOSE Morphine is amongst the most effective analgesics available for the management of severe pain. However, prolonged morphine treatment leads to analgesic tolerance which limits its clinical usage. Previous studies have demonstrated that melatonin ameliorates morphine tolerance by reducing neuroinflammation. However, little is known about the relationship between Toll like receptor 2 (TLR2) and neuroinflammation in morphine tolerance. The aim of this study was to explore the role of TLR2 in morphine tolerance and its connections with melatonin and Nod-like receptor protein 3 (NLRP3) inflammasome. METHODS Sprague-Dawley rats were treated with morphine for 7 days and tail-flick latency test was performed to identify the induction of analgesic tolerance. The roles of TLR2 in microglia activation and morphine tolerance were assessed pharmacologically, and the possible interactions between melatonin, TLR2 and NLRP3 inflammasome were investigated. KEY RESULTS Morphine tolerance was accompanied by increased TLR2 expression and NLRP3 inflammasome activation in spinal cord. whereas melatonin level was down-regulated. Chronic melatonin administration resulted in a reduced TLR2 expression and NLRP3 inflammasome activation. Moreover, the analgesic effect of morphine was partially restored. Inhibition of TLR2 suppressed the microglia and NLRP3 inflammasome activation, as well as restored the spinal melatonin level while attenuated the development of morphine tolerance. Furthermore, the inhibition of microglia activation ameliorated morphine tolerance via inhibiting TLR2-NLRP3 inflammasome signaling in spinal cord. CONCLUSION In this study, we directly demonstrate a TLR2-melatonin negative feedback loop regulating microglia and NLRP3 inflammasome activation during the development of morphine tolerance.
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Affiliation(s)
- Xiaoling Peng
- Department of Anesthesiology, Hubei Key Laboratory of Geriatric Anesthesia and Perioperative Brain Health, and Wuhan Clinical Research Center for Geriatric Anesthesia, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1095 Jiefang Ave, Wuhan, 430030, China
| | - Jihong Wang
- Department of Anesthesiology, Hubei Key Laboratory of Geriatric Anesthesia and Perioperative Brain Health, and Wuhan Clinical Research Center for Geriatric Anesthesia, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1095 Jiefang Ave, Wuhan, 430030, China
| | - Zheng Li
- Department of Anesthesiology, Hubei Key Laboratory of Geriatric Anesthesia and Perioperative Brain Health, and Wuhan Clinical Research Center for Geriatric Anesthesia, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1095 Jiefang Ave, Wuhan, 430030, China
| | - Xiaoqian Jia
- Department of Anesthesiology, Hubei Key Laboratory of Geriatric Anesthesia and Perioperative Brain Health, and Wuhan Clinical Research Center for Geriatric Anesthesia, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1095 Jiefang Ave, Wuhan, 430030, China
| | - Anqi Zhang
- Department of Anesthesiology, Hubei Key Laboratory of Geriatric Anesthesia and Perioperative Brain Health, and Wuhan Clinical Research Center for Geriatric Anesthesia, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1095 Jiefang Ave, Wuhan, 430030, China
| | - Jie Ju
- Department of Anesthesiology, Hubei Key Laboratory of Geriatric Anesthesia and Perioperative Brain Health, and Wuhan Clinical Research Center for Geriatric Anesthesia, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1095 Jiefang Ave, Wuhan, 430030, China
| | - Volker Eulenburg
- Department for Translational Anaesthesiology and Intensive Care Medicine, Medical Faculty University of Augsburg, 86156, Augsburg, Germany.
| | - Feng Gao
- Department of Anesthesiology, Hubei Key Laboratory of Geriatric Anesthesia and Perioperative Brain Health, and Wuhan Clinical Research Center for Geriatric Anesthesia, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1095 Jiefang Ave, Wuhan, 430030, China.
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Zhang J, Li S, Xia Y, Luo D, Wang X, Li S, Li S. Melatonin alleviates 3,3',4,4',5-pentachlorobenzene induced colon injury by relieving oxidative stress. ENVIRONMENTAL TOXICOLOGY 2023; 38:2993-3005. [PMID: 37598416 DOI: 10.1002/tox.23933] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/04/2023] [Revised: 07/22/2023] [Accepted: 08/01/2023] [Indexed: 08/22/2023]
Abstract
3,3',4,4',5-pentachlorobiphenyl (PCB126) is widely distributed, non-degradable and bioaccumulative, which can affect the function of tissues and organs of the living organisms. Melatonin (MT) is a sort of indole neurohormone that is mainly secreted by the pineal gland. Numerous studies have shown that MT can alleviate intestinal injury through various mechanisms such as antioxidant, anti-inflammatory, and anti-apoptosis. For the above reasons, the aim of this study is to explore the mechanism of intestinal injury in mice after exposure to PCB126 as well as the antagonistic effect of MT. Mice were respectively fed PCB126 (0.326 mg/kg) and/or MT (10 mg/kg) in vivo. In vitro, colonic epithelial cells (MCEC) were treated with PCB126 (150 μM) and/or MT (2 mM). We found that the microscopic structure of colon tissue was impaired after exposure to PCB126. The levels of oxidative stress, the protein and mRNA levels of expression of inflammatory related factors were significantly increased and the expression levels of intestinal tight junction protein were decreased. Notably, MT can promote Nrf2/HO-1 expression level and reduce the colonic injury caused by PCB126. Further in vitro treatment with reactive oxygen species inhibitors (NAC) showed that it significantly alleviated PCB126-induced in MCEC cell damage. In summary, the above results suggested that MT alleviates PCB126-induced colon inflammation by inhibiting the overproduction of reactive oxygen species (ROS) and up-regulating the expression level of intestinal tight junction protein. Our results contribute to the further comprehension of the intestinal toxicity effects of PCB126 and the significant role of MT in preserving the mechanisms of intestinal injury.
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Affiliation(s)
- Jintao Zhang
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, People's Republic of China
| | - Shanshan Li
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, People's Republic of China
| | - Yu Xia
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, People's Republic of China
| | - Dongliu Luo
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, People's Republic of China
| | - Xixi Wang
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, People's Republic of China
| | - Shiping Li
- College of Animal Science and Technology, Northeast Agricultural University, Harbin, People's Republic of China
| | - Shu Li
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, People's Republic of China
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Zeng Y, Fang Q, Chen J, Wang Y, Liu X, Zhang X, Shi Y, Zhan H, Zhong X, Yao M, Huang H, Wu W. Melatonin Improves Mitochondrial Dysfunction and Attenuates Neuropathic Pain by Regulating SIRT1 in Dorsal Root Ganglions. Neuroscience 2023; 534:29-40. [PMID: 37832908 DOI: 10.1016/j.neuroscience.2023.10.005] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2023] [Revised: 09/28/2023] [Accepted: 10/08/2023] [Indexed: 10/15/2023]
Abstract
Neuropathic pain is a debilitating chronic pain condition and is refractory to the currently available treatments. Emerging evidence suggests that melatonin exerts analgesic effects in rodent models of neuropathic pain. Nevertheless, the exact underlying mechanisms of the analgesic effects of melatonin on neuropathic pain are largely unknown. Here, we observed that spinal nerve ligation (SNL) in rats L5 and L6 induced an obvious decrease in the 50% paw withdrawal threshold (PWT) and paw withdrawal latency (PWL), indicating the induction of mechanical allodynia and the hyperalgesia, and melatonin prevented the genesis and maintenance of mechanical allodynia and the hyperalgesia. Notably, the inhibitory action of melatonin on SNL-induced mechanical allodynia and heat hypersensitivity was inhibited by a SIRT1 inhibitor (EX527). Melatonin treatment increased the expression of neuronal sirtuin1 (SIRT1) in DRGs following nerve injury. Furthermore, melatonin treatment restored the injury-dependent decrease in mitochondrial membrane potential and peroxisome proliferator-activated receptor γ coactivator 1α (PGC-1α) and reduced the injury-dependent increase in hydrogen peroxide and 8-hydroxy-2-deoxyguanosine (8-OHdG), which was inhibited by EX527. In addition, we found that EX527 impeded the inhibitory effects of melatonin on the SNL-induced increased expression of cytokines tumor necrosis factor-alpha (TNF-α) and interleukin-1 beta (IL-1β). In conclusion, the above data demonstrated that melatonin alleviated mechanical allodynia and hyperalgesia induced by peripheral nerve injury via SIRT1 activation. Melatonin resolved mitochondrial dysfunction-oxidative stress-dependent and neuroinflammation mechanisms that were driven by SIRT1 after nerve injury.
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Affiliation(s)
- Yanyan Zeng
- Department of Rehabilitation, Zhujiang Hospital, Southern Medical University, Guangzhou 510282, Guangdong, China
| | - Qian Fang
- Department of Rehabilitation, Zhujiang Hospital, Southern Medical University, Guangzhou 510282, Guangdong, China
| | - Jiali Chen
- Department of Rehabilitation, Zhujiang Hospital, Southern Medical University, Guangzhou 510282, Guangdong, China
| | - Yaping Wang
- Guangdong-Hong Kong-Macao Greater Bay Area Center for Brain Science and Brain-Inspired Intelligence, Key Laboratory of Mental Health of the Ministry of Education, Guangdong Province Key Laboratory of Psychiatric Disorders, Southern Medical University, Guangzhou 510515, Guangdong, China
| | - Xinli Liu
- Department of Rehabilitation, Zhujiang Hospital, Southern Medical University, Guangzhou 510282, Guangdong, China
| | - Xuefei Zhang
- Department of Rehabilitation, Zhujiang Hospital, Southern Medical University, Guangzhou 510282, Guangdong, China
| | - Yu Shi
- Department of Rehabilitation, Zhujiang Hospital, Southern Medical University, Guangzhou 510282, Guangdong, China
| | - Hongrui Zhan
- Department of Rehabilitation, The Fifth Affiliated Hospital of Sun Yat-Sen University, Zhuhai 519000, Guangdong Province, China
| | - Xiongxiong Zhong
- Department of Anesthesiology, Shenzhen People's Hospital, Shenzhen, China
| | - Mengyu Yao
- Department of Orthopedics, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou 510080, Guangdong, China
| | - Huai Huang
- Department of Hyperbaric Oxygen Rehabilitation (Intensive Rehabilitation Center), Southern Theater Command General Hospital of PLA, Guangzhou 510010, Guangdong, China
| | - Wen Wu
- Department of Rehabilitation, Zhujiang Hospital, Southern Medical University, Guangzhou 510282, Guangdong, China.
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Huang Y, Liang B, Li Z, Zhong Y, Wang B, Zhang B, Du J, Ye R, Xian H, Min W, Yan X, Deng Y, Feng Y, Bai R, Fan B, Yang X, Huang Z. Polystyrene nanoplastic exposure induces excessive mitophagy by activating AMPK/ULK1 pathway in differentiated SH-SY5Y cells and dopaminergic neurons in vivo. Part Fibre Toxicol 2023; 20:44. [PMID: 37993864 PMCID: PMC10664492 DOI: 10.1186/s12989-023-00556-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2023] [Accepted: 11/14/2023] [Indexed: 11/24/2023] Open
Abstract
BACKGROUND Microplastics and nanoplastics (MNPs) are emerging environmental contaminants detected in human samples, and have raised concerns regarding their potential risks to human health, particularly neurotoxicity. This study aimed to investigate the deleterious effects of polystyrene nanoplastics (PS-NPs, 50 nm) and understand their mechanisms in inducing Parkinson's disease (PD)-like neurodegeneration, along with exploring preventive strategies. METHODS Following exposure to PS-NPs (0.5-500 μg/mL), we assessed cytotoxicity, mitochondrial integrity, ATP levels, and mitochondrial respiration in dopaminergic-differentiated SH-SY5Y cells. Molecular docking and dynamic simulations explored PS-NPs' interactions with mitochondrial complexes. We further probed mitophagy's pivotal role in PS-NP-induced mitochondrial damage and examined melatonin's ameliorative potential in vitro. We validated melatonin's intervention (intraperitoneal, 10 mg/kg/d) in C57BL/6 J mice exposed to 250 mg/kg/d of PS-NPs for 28 days. RESULTS In our in vitro experiments, we observed PS-NP accumulation in cells, including mitochondria, leading to cell toxicity and reduced viability. Notably, antioxidant treatment failed to fully rescue viability, suggesting reactive oxygen species (ROS)-independent cytotoxicity. PS-NPs caused significant mitochondrial damage, characterized by altered morphology, reduced mitochondrial membrane potential, and decreased ATP production. Subsequent investigations pointed to PS-NP-induced disruption of mitochondrial respiration, potentially through interference with complex I (CI), a concept supported by molecular docking studies highlighting the influence of PS-NPs on CI. Rescue experiments using an AMPK pathway inhibitor (compound C) and an autophagy inhibitor (3-methyladenine) revealed that excessive mitophagy was induced through AMPK/ULK1 pathway activation, worsening mitochondrial damage and subsequent cell death in differentiated SH-SY5Y cells. Notably, we identified melatonin as a potential protective agent, capable of alleviating PS-NP-induced mitochondrial dysfunction. Lastly, our in vivo experiments demonstrated that melatonin could mitigate dopaminergic neuron loss and motor impairments by restoring mitophagy regulation in mice. CONCLUSIONS Our study demonstrated that PS-NPs disrupt mitochondrial function by affecting CI, leading to excessive mitophagy through the AMPK/ULK1 pathway, causing dopaminergic neuron death. Melatonin can counteract PS-NP-induced mitochondrial dysfunction and motor impairments by regulating mitochondrial autophagy. These findings offer novel insights into the MNP-induced PD-like neurodegenerative mechanisms, and highlight melatonin's protective potential in mitigating the MNP's environmental risk.
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Affiliation(s)
- Yuji Huang
- NMPA Key Laboratory for Safety Evaluation of Cosmetics, Guangdong Provincial Key Laboratory of Tropical Disease Research, Department of Toxicology, School of Public Health, Southern Medical University, Guangzhou, 510515, People's Republic of China
| | - Boxuan Liang
- NMPA Key Laboratory for Safety Evaluation of Cosmetics, Guangdong Provincial Key Laboratory of Tropical Disease Research, Department of Toxicology, School of Public Health, Southern Medical University, Guangzhou, 510515, People's Republic of China
| | - Zhiming Li
- NMPA Key Laboratory for Safety Evaluation of Cosmetics, Guangdong Provincial Key Laboratory of Tropical Disease Research, Department of Toxicology, School of Public Health, Southern Medical University, Guangzhou, 510515, People's Republic of China
| | - Yizhou Zhong
- NMPA Key Laboratory for Safety Evaluation of Cosmetics, Guangdong Provincial Key Laboratory of Tropical Disease Research, Department of Toxicology, School of Public Health, Southern Medical University, Guangzhou, 510515, People's Republic of China
| | - Bo Wang
- NMPA Key Laboratory for Safety Evaluation of Cosmetics, Guangdong Provincial Key Laboratory of Tropical Disease Research, Department of Toxicology, School of Public Health, Southern Medical University, Guangzhou, 510515, People's Republic of China
| | - Bingli Zhang
- NMPA Key Laboratory for Safety Evaluation of Cosmetics, Guangdong Provincial Key Laboratory of Tropical Disease Research, Department of Toxicology, School of Public Health, Southern Medical University, Guangzhou, 510515, People's Republic of China
| | - Jiaxin Du
- NMPA Key Laboratory for Safety Evaluation of Cosmetics, Guangdong Provincial Key Laboratory of Tropical Disease Research, Department of Toxicology, School of Public Health, Southern Medical University, Guangzhou, 510515, People's Republic of China
| | - Rongyi Ye
- NMPA Key Laboratory for Safety Evaluation of Cosmetics, Guangdong Provincial Key Laboratory of Tropical Disease Research, Department of Toxicology, School of Public Health, Southern Medical University, Guangzhou, 510515, People's Republic of China
| | - Hongyi Xian
- NMPA Key Laboratory for Safety Evaluation of Cosmetics, Guangdong Provincial Key Laboratory of Tropical Disease Research, Department of Toxicology, School of Public Health, Southern Medical University, Guangzhou, 510515, People's Republic of China
| | - Weicui Min
- School of Environmental Science and Engineering, Shandong University, Qingdao, 266237, People's Republic of China
| | - Xiliang Yan
- Institute of Environmental Research at Greater Bay Area, Key Laboratory for Water Quality and Conservation of the Pearl River Delta, Ministry of Education, Guangzhou University, Guangzhou, 510006, People's Republic of China
| | - Yanhong Deng
- NMPA Key Laboratory for Safety Evaluation of Cosmetics, Guangdong Provincial Key Laboratory of Tropical Disease Research, Department of Toxicology, School of Public Health, Southern Medical University, Guangzhou, 510515, People's Republic of China
| | - Yu Feng
- NMPA Key Laboratory for Safety Evaluation of Cosmetics, Guangdong Provincial Key Laboratory of Tropical Disease Research, Department of Toxicology, School of Public Health, Southern Medical University, Guangzhou, 510515, People's Republic of China
| | - Ruobing Bai
- NMPA Key Laboratory for Safety Evaluation of Cosmetics, Guangdong Provincial Key Laboratory of Tropical Disease Research, Department of Toxicology, School of Public Health, Southern Medical University, Guangzhou, 510515, People's Republic of China
| | - Bingchi Fan
- NMPA Key Laboratory for Safety Evaluation of Cosmetics, Guangdong Provincial Key Laboratory of Tropical Disease Research, Department of Toxicology, School of Public Health, Southern Medical University, Guangzhou, 510515, People's Republic of China
| | - Xingfen Yang
- NMPA Key Laboratory for Safety Evaluation of Cosmetics, Food Safety and Health Research Center, School of Public Health, Southern Medical University, Guangzhou, 510515, People's Republic of China
| | - Zhenlie Huang
- NMPA Key Laboratory for Safety Evaluation of Cosmetics, Guangdong Provincial Key Laboratory of Tropical Disease Research, Department of Toxicology, School of Public Health, Southern Medical University, Guangzhou, 510515, People's Republic of China.
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Patel A, Dewani D, Jaiswal A, Yadav P, Reddy LS. Exploring Melatonin's Multifaceted Role in Polycystic Ovary Syndrome Management: A Comprehensive Review. Cureus 2023; 15:e48929. [PMID: 38106751 PMCID: PMC10725523 DOI: 10.7759/cureus.48929] [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: 10/27/2023] [Accepted: 11/07/2023] [Indexed: 12/19/2023] Open
Abstract
Polycystic Ovary Syndrome (PCOS) is a complex endocrine disorder affecting a significant portion of the female population, characterized by hormonal imbalances, oxidative stress, sleep disturbances, and mood disorders. This review explores the multifaceted role of melatonin, a hormone primarily known for regulating circadian rhythms, in PCOS management. Melatonin's potential impact on hormonal balance, oxidative stress, sleep quality, and mood is comprehensively examined. It has been shown to enhance insulin sensitivity, regulate sex hormones, and influence gonadotropins, offering promise in addressing the intricate hormonal imbalances common in PCOS. As a potent antioxidant and anti-inflammatory agent, melatonin mitigates oxidative stress and its associated complications. Its role in improving sleep quality and mood can significantly enhance the psychological well-being and daily functioning of PCOS patients. We discuss the potential implications of melatonin as a complementary or adjunct therapy, alongside existing PCOS treatments, and its significance in improving the overall quality of life for individuals with this syndrome. While further research is needed, melatonin's multifaceted effects promise a brighter future for PCOS patients.
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Affiliation(s)
- Archan Patel
- Obstetrics and Gynaecology, Jawaharlal Nehru Medical College, Datta Meghe Institute of Higher Education and Research, Wardha, IND
| | - Deepika Dewani
- Obstetrics and Gynaecology, Jawaharlal Nehru Medical College, Datta Meghe Institute of Higher Education and Research, Wardha, IND
| | - Arpita Jaiswal
- Obstetrics and Gynaecology, Jawaharlal Nehru Medical College, Datta Meghe Institute of Higher Education and Research, Wardha, IND
| | - Pallavi Yadav
- Obstetrics and Gynaecology, Jawaharlal Nehru Medical College, Datta Meghe Institute of Higher Education and Research, Wardha, IND
| | - Lucky Srivani Reddy
- Obstetrics and Gynaecology, Jawaharlal Nehru Medical College, Datta Meghe Institute of Higher Education and Research, Wardha, IND
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Li X, Wang F, Gao Z, Huang W, Zhang X, Liu F, Yi H, Guan J, Wu X, Xu H, Yin S. Melatonin attenuates chronic intermittent hypoxia-induced intestinal barrier dysfunction in mice. Microbiol Res 2023; 276:127480. [PMID: 37659335 DOI: 10.1016/j.micres.2023.127480] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2023] [Revised: 07/28/2023] [Accepted: 08/17/2023] [Indexed: 09/04/2023]
Abstract
BACKGROUND AND PURPOSE Chronic intermittent hypoxia (CIH) triggers subclinical intestinal barrier disruption prior to systemic low-grade inflammation. Increasing evidence suggests therapeutic effects of melatonin on systemic inflammation and gut microbiota remodelling. However, whether and how melatonin alleviates CIH-induced intestinal barrier dysfunction remains unclear. EXPERIMENTAL APPROACH C57BL/6 J mice and Caco-2 cell line were treated. We evaluated gut barrier function spectrophotometrically using fluorescein isothiocyanate (FITC)-labelled dextran. Immunohistochemical and immunofluorescent staining were used to detect morphological changes in the mechanical barrier. Western blotting (WB) and quantitative real-time polymerase chain reaction (qRT-PCR) revealed the expression of tight junctions, signal transducer and activator of transcription 3 (STAT3) levels. 16 S rRNA analysis of the colonic contents microflora. Flow cytometry was used to detect cytokines and Th17 cells with and without melatonin supplementation. KEY RESULTS We found that CIH could induce colonic mucosal injury, including reduction in the number of goblet cells and decrease the expression of intestinal tight junction proteins. CIH could decrease the abundance of the beneficial genera Clostridium, Akkermansia, and Bacteroides, while increasing the abundance of the pathogenic genera Desulfovibrio and Bifidobacterium. Finally, CIH facilitated Th17 differentiation via the phosphorylation of signal transducer and activator of transcription 3 (STAT3) in vitro and elevated the circulating pro-inflammatory cytokine in vivo. Melatonin supplementation ameliorated CIH-induced intestinal mucosal injury, gut microbiota dysbiosis, enteric Th17 polarization, and systemic low-grade inflammation reactions mentioned-above. CONCLUSION AND IMPLICATIONS Melatonin attenuated CIH-induced intestinal barrier dysfunction by regulating gut flora dysbiosis, mucosal epithelium integrity, and Th17 polarization via STAT3 signalling.
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Affiliation(s)
- Xinyi Li
- Department of Otorhinolaryngology Head and Neck Surgery, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai Key Laboratory of Sleep Disordered Breathing, Otorhinolaryngology Institute of Shanghai JiaoTong University, Yishan Road 600, Shanghai 200233, China
| | - Fan Wang
- Department of Otorhinolaryngology Head and Neck Surgery, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai Key Laboratory of Sleep Disordered Breathing, Otorhinolaryngology Institute of Shanghai JiaoTong University, Yishan Road 600, Shanghai 200233, China
| | - Zhenfei Gao
- Department of Otorhinolaryngology Head and Neck Surgery, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai Key Laboratory of Sleep Disordered Breathing, Otorhinolaryngology Institute of Shanghai JiaoTong University, Yishan Road 600, Shanghai 200233, China
| | - Weijun Huang
- Department of Otorhinolaryngology Head and Neck Surgery, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai Key Laboratory of Sleep Disordered Breathing, Otorhinolaryngology Institute of Shanghai JiaoTong University, Yishan Road 600, Shanghai 200233, China
| | - Xiaoman Zhang
- Department of Otorhinolaryngology Head and Neck Surgery, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai Key Laboratory of Sleep Disordered Breathing, Otorhinolaryngology Institute of Shanghai JiaoTong University, Yishan Road 600, Shanghai 200233, China
| | - Feng Liu
- Department of Otorhinolaryngology Head and Neck Surgery, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai Key Laboratory of Sleep Disordered Breathing, Otorhinolaryngology Institute of Shanghai JiaoTong University, Yishan Road 600, Shanghai 200233, China
| | - Hongliang Yi
- Department of Otorhinolaryngology Head and Neck Surgery, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai Key Laboratory of Sleep Disordered Breathing, Otorhinolaryngology Institute of Shanghai JiaoTong University, Yishan Road 600, Shanghai 200233, China
| | - Jian Guan
- Department of Otorhinolaryngology Head and Neck Surgery, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai Key Laboratory of Sleep Disordered Breathing, Otorhinolaryngology Institute of Shanghai JiaoTong University, Yishan Road 600, Shanghai 200233, China.
| | - Xiaolin Wu
- Central Laboratory of Shanghai Eighth People's Hospital, Xuhui Branch of Shanghai Sixth People's Hospital, Caobao Road 8, Shanghai 200235, China.
| | - Huajun Xu
- Department of Otorhinolaryngology Head and Neck Surgery, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai Key Laboratory of Sleep Disordered Breathing, Otorhinolaryngology Institute of Shanghai JiaoTong University, Yishan Road 600, Shanghai 200233, China.
| | - Shankai Yin
- Department of Otorhinolaryngology Head and Neck Surgery, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai Key Laboratory of Sleep Disordered Breathing, Otorhinolaryngology Institute of Shanghai JiaoTong University, Yishan Road 600, Shanghai 200233, China
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Zhou J, Meng L, He Z, Song Q, Liu J, Su X, Wang C, Ke H, Dong C, Liao W, Yang S. Melatonin exerts a protective effect in ameliorating nephrolithiasis via targeting AMPK/PINK1-Parkin mediated mitophagy and inhibiting ferroptosis in vivo and in vitro. Int Immunopharmacol 2023; 124:110801. [PMID: 37651854 DOI: 10.1016/j.intimp.2023.110801] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2023] [Revised: 07/31/2023] [Accepted: 08/11/2023] [Indexed: 09/02/2023]
Abstract
Hyperoxaluria-induced damage to renal tubular epithelial cells (RTECs) is considered the most significant contributor to kidney stone formation. However, the precise regulatory mechanism underlying this damage, particularly its association with mitophagy dysfunction, remains unclear. Additionally, effective preventive medications for kidney stones are lacking. Melatonin, a hormone secreted by the pituitary gland that primarily regulates circadian rhythm, has been found to modulate mitophagy in recent research. Therefore, this investigation aims to examine the impact of melatonin on mitophagy and cellular impairment in the formation of kidney stone. The results of this study reveal that melatonin can alleviate the formation of kidney stones and reduce oxalate-induced renal injuries. In the RTECs of kidney stone model, mitophagy was found to be impaired, leading to increased oxidative stress, inflammation, and ferroptosis both in vivo and in vitro. Melatonin was shown to have a restorative potential in enhancing PINK1-Parkin-regulated mitophagy through AMPK phosphorylation, reducing excessive ROS release and inhibiting oxidative stress, inflammation and ferroptosis. Further experiments demonstrated that the protective effect of melatonin was diminished by PINK1 knockdown and AMPK pathway blockade. This study is the first to reveal the interplay between mitophagy and ferroptosis in kidney stone models and establish the protective role of melatonin in restoring mitophagy to inhibit ferroptosis.
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Affiliation(s)
- Jiawei Zhou
- Department of Urology, Renmin Hospital of Wuhan University, Wuhan 430060, Hubei Province, People's Republic of China
| | - Lingchao Meng
- Department of Urology, Renmin Hospital of Wuhan University, Wuhan 430060, Hubei Province, People's Republic of China
| | - Ziqi He
- Department of Urology, Renmin Hospital of Wuhan University, Wuhan 430060, Hubei Province, People's Republic of China
| | - Qianlin Song
- Department of Urology, Renmin Hospital of Wuhan University, Wuhan 430060, Hubei Province, People's Republic of China
| | - Junwei Liu
- Department of Urology, Renmin Hospital of Wuhan University, Wuhan 430060, Hubei Province, People's Republic of China
| | - Xiaozhe Su
- Department of Urology, Renmin Hospital of Wuhan University, Wuhan 430060, Hubei Province, People's Republic of China
| | - Chuan Wang
- Department of Urology, Renmin Hospital of Wuhan University, Wuhan 430060, Hubei Province, People's Republic of China
| | - Hu Ke
- Department of Urology, Renmin Hospital of Wuhan University, Wuhan 430060, Hubei Province, People's Republic of China
| | - Caitao Dong
- Department of Urology, Renmin Hospital of Wuhan University, Wuhan 430060, Hubei Province, People's Republic of China
| | - Wenbiao Liao
- Department of Urology, Renmin Hospital of Wuhan University, Wuhan 430060, Hubei Province, People's Republic of China.
| | - Sixing Yang
- Department of Urology, Renmin Hospital of Wuhan University, Wuhan 430060, Hubei Province, People's Republic of China.
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Ranjan AK, Gulati A. Advances in Therapies to Treat Neonatal Hypoxic-Ischemic Encephalopathy. J Clin Med 2023; 12:6653. [PMID: 37892791 PMCID: PMC10607511 DOI: 10.3390/jcm12206653] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2023] [Revised: 10/17/2023] [Accepted: 10/18/2023] [Indexed: 10/29/2023] Open
Abstract
Neonatal hypoxic-ischemic encephalopathy (HIE) is a condition that results in brain damage in newborns due to insufficient blood and oxygen supply during or after birth. HIE is a major cause of neurological disability and mortality in newborns, with over one million neonatal deaths occurring annually worldwide. The severity of brain injury and the outcome of HIE depend on several factors, including the cause of oxygen deprivation, brain maturity, regional blood flow, and maternal health conditions. HIE is classified into mild, moderate, and severe categories based on the extent of brain damage and resulting neurological issues. The pathophysiology of HIE involves different phases, including the primary phase, latent phase, secondary phase, and tertiary phase. The primary and secondary phases are characterized by episodes of energy and cell metabolism failures, increased cytotoxicity and apoptosis, and activated microglia and inflammation in the brain. A tertiary phase occurs if the brain injury persists, characterized by reduced neural plasticity and neuronal loss. Understanding the cellular and molecular aspects of the different phases of HIE is crucial for developing new interventions and therapeutics. This review aims to discuss the pathophysiology of HIE, therapeutic hypothermia (TH), the only approved therapy for HIE, ongoing developments of adjuvants for TH, and potential future drugs for HIE.
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Affiliation(s)
- Amaresh K Ranjan
- Research and Development, Pharmazz Inc., Willowbrook, IL 60527, USA
| | - Anil Gulati
- Research and Development, Pharmazz Inc., Willowbrook, IL 60527, USA
- Department of Bioengineering, The University of Illinois at Chicago, Chicago, IL 60607, USA
- College of Pharmacy, Midwestern University, Downers Grove, IL 60515, USA
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Xu L, Guan H, Zhang X, Qiao S, Ma W, Liu P, Liu Q, Sun Y, Liu Y, Cai J, Zhang Z. Role of Txnrd3 in NiCl 2-induced kidney cell apoptosis in mice: Potential therapeutic effect of melatonin. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2023; 265:115521. [PMID: 37757623 DOI: 10.1016/j.ecoenv.2023.115521] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/30/2023] [Revised: 09/22/2023] [Accepted: 09/23/2023] [Indexed: 09/29/2023]
Abstract
Nickel (Ni) exposure is a significant risk factor for kidney dysfunction and oxidative stress injury in humans. Thioredoxin reductase 3 (Txnrd3), an important enzyme in animals, plays a role in maintaining cellular homeostasis and regulating oxidative stress. However, its protective effect against kidney injury has been determined. Melatonin (Mel) has antioxidant and anti-apoptotic effects and therefore may be a preventive and therapeutic agent for kidney injury. Our study aimed to investigate the roles of Mel and Txnrd3 in the treatment of nickel-induced renal injury. We divided 80 wild-type mice and 80 Txnrd3 -/- mice (C57BL/6 N) into a control group treated with saline, Ni group treated with 10 mg/kg NiCl2, Mel group treated with 2 mg/kg Mel, and Ni + Mel group given NiCl2 and Mel for 21 days. Histopathological and ultrastructural observation of the kidney showed that nuclei were wrinkled and mitochondrial cristae were broken in the Ni group, and these changes were significantly attenuated by Mel treatment. Mitochondrial and nuclear damage improved significantly in the Ni + Mel and Txnrd3-/- Ni + Mel groups. Furthermore, NiCl2 exposure decreased T-AOC, SOD, and GSH activities in the kidney. The decreases in antioxidant enzyme activity were attenuated by Mel, and these improvements were abolished by Txnrd3 knockout. NiCl2-induced increases in the mRNA and protein levels of apoptosis factors (Bax, Cyt-c, caspase-3, and caspase-9) were attenuated by Mel treatment, and Txnrd3 knockout abolished the repressive effect of Mel on apoptosis genes. Overall, we concluded that Mel improves oxidative stress and apoptosis induced by NiCl2 by regulating Txnrd3 expression in the kidney. Our results provide evidence for the role of Mel in NiCl2-induced kidney injury and identify Txnrd3 as a potential therapeutic target for renal injury.
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Affiliation(s)
- Lihua Xu
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, PR China
| | - Haoyue Guan
- College of Animal Science and Veterinary Medicine, Sichuan Agricultural University, PR China
| | - Xintong Zhang
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, PR China
| | - Senqiu Qiao
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, PR China
| | - Wenxue Ma
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, PR China
| | - Pinnan Liu
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, PR China
| | - Qiaohan Liu
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, PR China
| | - Yue Sun
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, PR China
| | - Yue Liu
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, PR China
| | - Jingzeng Cai
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, PR China.
| | - Ziwei Zhang
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, PR China.
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Carretero VJ, Ramos E, Segura-Chama P, Hernández A, Baraibar AM, Álvarez-Merz I, Muñoz FL, Egea J, Solís JM, Romero A, Hernández-Guijo JM. Non-Excitatory Amino Acids, Melatonin, and Free Radicals: Examining the Role in Stroke and Aging. Antioxidants (Basel) 2023; 12:1844. [PMID: 37891922 PMCID: PMC10603966 DOI: 10.3390/antiox12101844] [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: 09/05/2023] [Revised: 09/23/2023] [Accepted: 09/26/2023] [Indexed: 10/29/2023] Open
Abstract
The aim of this review is to explore the relationship between melatonin, free radicals, and non-excitatory amino acids, and their role in stroke and aging. Melatonin has garnered significant attention in recent years due to its diverse physiological functions and potential therapeutic benefits by reducing oxidative stress, inflammation, and apoptosis. Melatonin has been found to mitigate ischemic brain damage caused by stroke. By scavenging free radicals and reducing oxidative damage, melatonin may help slow down the aging process and protect against age-related cognitive decline. Additionally, non-excitatory amino acids have been shown to possess neuroprotective properties, including antioxidant and anti-inflammatory in stroke and aging-related conditions. They can attenuate oxidative stress, modulate calcium homeostasis, and inhibit apoptosis, thereby safeguarding neurons against damage induced by stroke and aging processes. The intracellular accumulation of certain non-excitatory amino acids could promote harmful effects during hypoxia-ischemia episodes and thus, the blockade of the amino acid transporters involved in the process could be an alternative therapeutic strategy to reduce ischemic damage. On the other hand, the accumulation of free radicals, specifically mitochondrial reactive oxygen and nitrogen species, accelerates cellular senescence and contributes to age-related decline. Recent research suggests a complex interplay between melatonin, free radicals, and non-excitatory amino acids in stroke and aging. The neuroprotective actions of melatonin and non-excitatory amino acids converge on multiple pathways, including the regulation of calcium homeostasis, modulation of apoptosis, and reduction of inflammation. These mechanisms collectively contribute to the preservation of neuronal integrity and functions, making them promising targets for therapeutic interventions in stroke and age-related disorders.
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Affiliation(s)
- Victoria Jiménez Carretero
- Department of Pharmacology and Therapeutic, Teófilo Hernando Institute, Faculty of Medicine, Universidad Autónoma de Madrid, Av. Arzobispo Morcillo 4, 28029 Madrid, Spain
| | - Eva Ramos
- Department of Pharmacology and Toxicology, Faculty of Veterinary Medicine, Complutense University of Madrid, 28040 Madrid, Spain
| | - Pedro Segura-Chama
- Investigador por México-CONAHCYT, Instituto Nacional de Psiquiatría "Ramón de la Fuente Muñiz", Calzada México-Xochimilco 101, Huipulco, Tlalpan, Mexico City 14370, Mexico
| | - Adan Hernández
- Institute of Neurobiology, Universidad Nacional Autónoma of México, Juriquilla, Santiago de Querétaro 76230, Querétaro, Mexico
| | - Andrés M Baraibar
- Department of Neurosciences, Universidad del País Vasco UPV/EHU, Achucarro Basque Center for Neuroscience, Barrio Sarriena, s/n, 48940 Leioa, Spain
| | - Iris Álvarez-Merz
- Department of Pharmacology and Therapeutic, Teófilo Hernando Institute, Faculty of Medicine, Universidad Autónoma de Madrid, Av. Arzobispo Morcillo 4, 28029 Madrid, Spain
| | - Francisco López Muñoz
- Faculty of Health Sciences, University Camilo José Cela, C/Castillo de Alarcón 49, Villanueva de la Cañada, 28692 Madrid, Spain
- Neuropsychopharmacology Unit, Hospital 12 de Octubre Research Institute (i + 12), Avda. Córdoba, s/n, 28041 Madrid, Spain
| | - Javier Egea
- Molecular Neuroinflammation and Neuronal Plasticity Research Laboratory, Hospital Universitario Santa Cristina, Health Research Institute, Hospital Universitario de la Princesa, 28006 Madrid, Spain
| | - José M Solís
- Neurobiology-Research Service, Hospital Ramón y Cajal, Carretera de Colmenar Viejo, Km. 9, 28029 Madrid, Spain
| | - Alejandro Romero
- Department of Pharmacology and Toxicology, Faculty of Veterinary Medicine, Complutense University of Madrid, 28040 Madrid, Spain
| | - Jesús M Hernández-Guijo
- Department of Pharmacology and Therapeutic, Teófilo Hernando Institute, Faculty of Medicine, Universidad Autónoma de Madrid, Av. Arzobispo Morcillo 4, 28029 Madrid, Spain
- Ramón y Cajal Institute for Health Research (IRYCIS), Hospital Ramón y Cajal, Carretera de Colmenar Viejo, Km. 9, 28029 Madrid, Spain
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Jomova K, Raptova R, Alomar SY, Alwasel SH, Nepovimova E, Kuca K, Valko M. Reactive oxygen species, toxicity, oxidative stress, and antioxidants: chronic diseases and aging. Arch Toxicol 2023; 97:2499-2574. [PMID: 37597078 PMCID: PMC10475008 DOI: 10.1007/s00204-023-03562-9] [Citation(s) in RCA: 138] [Impact Index Per Article: 138.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2023] [Accepted: 07/24/2023] [Indexed: 08/21/2023]
Abstract
A physiological level of oxygen/nitrogen free radicals and non-radical reactive species (collectively known as ROS/RNS) is termed oxidative eustress or "good stress" and is characterized by low to mild levels of oxidants involved in the regulation of various biochemical transformations such as carboxylation, hydroxylation, peroxidation, or modulation of signal transduction pathways such as Nuclear factor-κB (NF-κB), Mitogen-activated protein kinase (MAPK) cascade, phosphoinositide-3-kinase, nuclear factor erythroid 2-related factor 2 (Nrf2) and other processes. Increased levels of ROS/RNS, generated from both endogenous (mitochondria, NADPH oxidases) and/or exogenous sources (radiation, certain drugs, foods, cigarette smoking, pollution) result in a harmful condition termed oxidative stress ("bad stress"). Although it is widely accepted, that many chronic diseases are multifactorial in origin, they share oxidative stress as a common denominator. Here we review the importance of oxidative stress and the mechanisms through which oxidative stress contributes to the pathological states of an organism. Attention is focused on the chemistry of ROS and RNS (e.g. superoxide radical, hydrogen peroxide, hydroxyl radicals, peroxyl radicals, nitric oxide, peroxynitrite), and their role in oxidative damage of DNA, proteins, and membrane lipids. Quantitative and qualitative assessment of oxidative stress biomarkers is also discussed. Oxidative stress contributes to the pathology of cancer, cardiovascular diseases, diabetes, neurological disorders (Alzheimer's and Parkinson's diseases, Down syndrome), psychiatric diseases (depression, schizophrenia, bipolar disorder), renal disease, lung disease (chronic pulmonary obstruction, lung cancer), and aging. The concerted action of antioxidants to ameliorate the harmful effect of oxidative stress is achieved by antioxidant enzymes (Superoxide dismutases-SODs, catalase, glutathione peroxidase-GPx), and small molecular weight antioxidants (vitamins C and E, flavonoids, carotenoids, melatonin, ergothioneine, and others). Perhaps one of the most effective low molecular weight antioxidants is vitamin E, the first line of defense against the peroxidation of lipids. A promising approach appears to be the use of certain antioxidants (e.g. flavonoids), showing weak prooxidant properties that may boost cellular antioxidant systems and thus act as preventive anticancer agents. Redox metal-based enzyme mimetic compounds as potential pharmaceutical interventions and sirtuins as promising therapeutic targets for age-related diseases and anti-aging strategies are discussed.
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Affiliation(s)
- Klaudia Jomova
- Department of Chemistry, Faculty of Natural Sciences, Constantine the Philosopher University in Nitra, Nitra, 949 74, Slovakia
| | - Renata Raptova
- Faculty of Chemical and Food Technology, Slovak University of Technology, Bratislava, 812 37, Slovakia
| | - Suliman Y Alomar
- Zoology Department, College of Science, King Saud University, 11451, Riyadh, Saudi Arabia
| | - Saleh H Alwasel
- Zoology Department, College of Science, King Saud University, 11451, Riyadh, Saudi Arabia
| | - Eugenie Nepovimova
- Department of Chemistry, Faculty of Sciences, University of Hradec Kralove, 50005, Hradec Kralove, Czech Republic
| | - Kamil Kuca
- Department of Chemistry, Faculty of Sciences, University of Hradec Kralove, 50005, Hradec Kralove, Czech Republic
| | - Marian Valko
- Faculty of Chemical and Food Technology, Slovak University of Technology, Bratislava, 812 37, Slovakia.
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Chen L, Nini W, Jinmei Z, Jingmei Y. Implications of sleep disorders for periodontitis. Sleep Breath 2023; 27:1655-1666. [PMID: 36547852 DOI: 10.1007/s11325-022-02769-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2022] [Revised: 11/14/2022] [Accepted: 12/12/2022] [Indexed: 12/24/2022]
Abstract
PURPOSE Periodontitis is a chronic inflammatory disease caused by multi-factors. Sleep is a natural physiologic process, and the sleep duration, quality, and patterns might be associated with periodontitis. Meanwhile, periodontitis might in turn induce systemic inflammation and thus impact sleep in different ways as well. METHODS To investigate the bidirectional relationship between sleep disorder and periodontitis, a literature search was conducted to reveal the interaction and possible mechanism between these two diseases. RESULTS The results show that sleep disorders can affect the progression of periodontitis via some pathomechanisms, and periodontitis also has a reverse impact on sleep. CONCLUSION Although the epidemiologic and clinical trials found the possible associations between sleep disorder and periodontitis, their relationship is still not that explicit. Further studies are warranted to shed light on them, to improve preventive health care.
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Affiliation(s)
- Li Chen
- State Key Laboratory of Oral Disease & National Clinical Research Center for Oral Disease, Department of Periodontics, West China Hospital of Stomatology, Sichuan University, No. 14, Section 3, Renmin South Road, Chengdu, 610041, China
| | - Wang Nini
- State Key Laboratory of Oral Disease & National Clinical Research Center for Oral Disease, Department of Periodontics, West China Hospital of Stomatology, Sichuan University, No. 14, Section 3, Renmin South Road, Chengdu, 610041, China
| | - Zhang Jinmei
- State Key Laboratory of Oral Disease & National Clinical Research Center for Oral Disease, Department of Periodontics, West China Hospital of Stomatology, Sichuan University, No. 14, Section 3, Renmin South Road, Chengdu, 610041, China
| | - Yang Jingmei
- State Key Laboratory of Oral Disease & National Clinical Research Center for Oral Disease, Department of Periodontics, West China Hospital of Stomatology, Sichuan University, No. 14, Section 3, Renmin South Road, Chengdu, 610041, China.
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Ma Y, Jiang Q, Yang B, Hu X, Shen G, Shen W, Xu J. Platelet mitochondria, a potent immune mediator in neurological diseases. Front Physiol 2023; 14:1210509. [PMID: 37719457 PMCID: PMC10502307 DOI: 10.3389/fphys.2023.1210509] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2023] [Accepted: 08/17/2023] [Indexed: 09/19/2023] Open
Abstract
Dysfunction of the immune response is regarded as a prominent feature of neurological diseases, including neurodegenerative diseases, malignant tumors, acute neurotraumatic insult, and cerebral ischemic/hemorrhagic diseases. Platelets play a fundamental role in normal hemostasis and thrombosis. Beyond those normal functions, platelets are hyperactivated and contribute crucially to inflammation and immune responses in the central nervous system (CNS). Mitochondria are pivotal organelles in platelets and are responsible for generating most of the ATP that is used for platelet activation and aggregation (clumping). Notably, platelet mitochondria show marked morphological and functional alterations under heightened inflammatory/oxidative stimulation. Mitochondrial dysfunction not only leads to platelet damage and apoptosis but also further aggravates immune responses. Improving mitochondrial function is hopefully an effective strategy for treating neurological diseases. In this review, the authors discuss the immunomodulatory roles of platelet-derived mitochondria (PLT-mitos) in neurological diseases and summarize the neuroprotective effects of platelet mitochondria transplantation.
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Affiliation(s)
- Yan Ma
- Transfusion Research Department, Wuhan Blood Center, Wuhan, Hubei, China
- Institute of Blood Transfusion of Hubei Province, Wuhan Blood Center, Wuhan, Hubei, China
- Wuhan National Laboratory for Optoelectronics and School of Physics, Huazhong University of Science and Technology, Wuhan, China
| | - Qian Jiang
- Transfusion Research Department, Wuhan Blood Center, Wuhan, Hubei, China
- Institute of Blood Transfusion of Hubei Province, Wuhan Blood Center, Wuhan, Hubei, China
- Wuhan National Laboratory for Optoelectronics and School of Physics, Huazhong University of Science and Technology, Wuhan, China
| | - Bingxin Yang
- Wuhan Puai Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Xiaoyu Hu
- Transfusion Research Department, Wuhan Blood Center, Wuhan, Hubei, China
- Institute of Blood Transfusion of Hubei Province, Wuhan Blood Center, Wuhan, Hubei, China
- Wuhan National Laboratory for Optoelectronics and School of Physics, Huazhong University of Science and Technology, Wuhan, China
| | - Gang Shen
- Transfusion Research Department, Wuhan Blood Center, Wuhan, Hubei, China
- Institute of Blood Transfusion of Hubei Province, Wuhan Blood Center, Wuhan, Hubei, China
| | - Wei Shen
- Wuhan Puai Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Jing Xu
- Wuhan Blood Center, Wuhan, Hubei, China
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Korf JM, McCullough LD, Caretti V. A narrative review on treatment strategies for neonatal hypoxic ischemic encephalopathy. Transl Pediatr 2023; 12:1552-1571. [PMID: 37692539 PMCID: PMC10485647 DOI: 10.21037/tp-23-253] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/22/2023] [Accepted: 08/08/2023] [Indexed: 09/12/2023] Open
Abstract
Background and Objective Hypoxic-ischemic encephalopathy (HIE) is a leading cause of death and disability worldwide. Therapeutic hypothermia (TH) represents a significant achievement in the translation of scientific research to clinical application, but it is currently the only neuroprotective treatment for HIE. This review aims to revisit the use of TH for HIE and its longitudinal impact on patient outcomes to readers new to the field of HIE. We discuss how emerging therapies address the broader pathophysiology of injury progression in the neonatal brain days to years after HIE. Methods We included full articles and book chapters published in English on PubMed with references to "hypoxic ischemic encephalopathy", "birth asphyxia", "therapeutic hypothermia", or "neonatal encephalopathy". We limited our review to outcomes on term infants and to new therapeutics that are in the second phase of clinical trials. Key Content and Findings Despite the use of TH for HIE, mortality remains high. Analysis of longitudinal studies reveals a high incidence of ongoing disability even with the implementation of TH. New therapeutics addressing the secondary phase and the less understood tertiary phase of brain injury are in clinical trials as adjunctive treatments to TH to support additional neurological repair and regeneration. Conclusions TH successfully improves outcomes after HIE, and it continues to be optimized. Larger studies are needed to understand its use in mild cases of HIE and if certain factors, such as sex, affect long term outcomes. TH primarily acts in the initial phases of injury, while new pharmaceutical therapies target additional injury pathways into the tertiary phases of injury. This may allow for more effective approaches to treatment and improvement of long-term functional outcomes after HIE.
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Affiliation(s)
- Janelle M. Korf
- Department of Neurology, University of Texas McGovern Medical School, Houston, TX, USA
| | - Louise D. McCullough
- Department of Neurology, University of Texas McGovern Medical School, Houston, TX, USA
| | - Viola Caretti
- Department of Neurology, University of Texas McGovern Medical School, Houston, TX, USA
- Department of Pediatrics, Section of Pediatric Neurology and Developmental Neuroscience, Baylor College of Medicine, Houston, TX, USA
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Tokuyama-Toda R, Umeki H, Okubo M, Terada-Ito C, Yudo T, Ide S, Tadokoro S, Shimozuma M, Satomura K. The Preventive Effect of Melatonin on Radiation-Induced Oral Mucositis. Cells 2023; 12:2178. [PMID: 37681910 PMCID: PMC10487273 DOI: 10.3390/cells12172178] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2023] [Revised: 08/23/2023] [Accepted: 08/29/2023] [Indexed: 09/09/2023] Open
Abstract
Melatonin exerts various physiological effects through melatonin receptors and their ability to scavenge free radicals. Radiotherapy is a common treatment for head and neck tumors, but stomatitis, a side effect affecting irradiated oral mucosa, can impact treatment outcomes. This study investigated the preventive effect of melatonin, a potent free radical scavenger, on radiation-induced oral mucositis. Mice were irradiated with 15 Gy of X-ray radiation to the head and neck, and the oral mucosa was histologically compared between a melatonin-administered group and a control group. The results showed that radiation-induced oral mucositis was suppressed in mice administered melatonin before and after irradiation. It was suggested that the mechanism involved the inhibition of apoptosis and the inhibition of DNA damage. From these findings, we confirmed that melatonin has a protective effect against radiation-induced oral mucositis.
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Affiliation(s)
- Reiko Tokuyama-Toda
- Department of Oral Medicine and Stomatology, School of Dental Medicine, Tsurumi University, 2-1-3, Tsurumi, Tsurumi-ku, Yokohama City 230-8501, Japan; (H.U.); (M.O.); (C.T.-I.); (T.Y.); (S.I.); (S.T.); (M.S.); (K.S.)
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Gianò M, Franco C, Castrezzati S, Rezzani R. Involvement of Oxidative Stress and Nutrition in the Anatomy of Orofacial Pain. Int J Mol Sci 2023; 24:13128. [PMID: 37685933 PMCID: PMC10487620 DOI: 10.3390/ijms241713128] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2023] [Revised: 08/13/2023] [Accepted: 08/17/2023] [Indexed: 09/10/2023] Open
Abstract
Pain is a very important problem of our existence, and the attempt to understand it is one the oldest challenges in the history of medicine. In this review, we summarize what has been known about pain, its pathophysiology, and neuronal transmission. We focus on orofacial pain and its classification and features, knowing that is sometimes purely subjective and not well defined. We consider the physiology of orofacial pain, evaluating the findings on the main neurotransmitters; in particular, we describe the roles of glutamate as approximately 30-80% of total peripheric neurons associated with the trigeminal ganglia are glutamatergic. Moreover, we describe the important role of oxidative stress and its association with inflammation in the etiogenesis and modulation of pain in orofacial regions. We also explore the warning and protective function of orofacial pain and the possible action of antioxidant molecules, such as melatonin, and the potential influence of nutrition and diet on its pathophysiology. Hopefully, this will provide a solid background for future studies that would allow better treatment of noxious stimuli and for opening new avenues in the management of pain.
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Affiliation(s)
- Marzia Gianò
- Anatomy and Physiopathology Division, Department of Clinical and Experimental Sciences, University of Brescia, 25123 Brescia, Italy; (M.G.); (C.F.); (S.C.)
| | - Caterina Franco
- Anatomy and Physiopathology Division, Department of Clinical and Experimental Sciences, University of Brescia, 25123 Brescia, Italy; (M.G.); (C.F.); (S.C.)
| | - Stefania Castrezzati
- Anatomy and Physiopathology Division, Department of Clinical and Experimental Sciences, University of Brescia, 25123 Brescia, Italy; (M.G.); (C.F.); (S.C.)
| | - Rita Rezzani
- Anatomy and Physiopathology Division, Department of Clinical and Experimental Sciences, University of Brescia, 25123 Brescia, Italy; (M.G.); (C.F.); (S.C.)
- Interdipartimental University Center of Research “Adaption and Regeneration of Tissues and Organs (ARTO)”, University of Brescia, 25123 Brescia, Italy
- Italian Society for the Study of Orofacial Pain (Società Italiana Studio Dolore Orofacciale—SISDO), 25123 Brescia, Italy
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Sousa T, Moreira PI, Cardoso S. Current Advances in Mitochondrial Targeted Interventions in Alzheimer's Disease. Biomedicines 2023; 11:2331. [PMID: 37760774 PMCID: PMC10525414 DOI: 10.3390/biomedicines11092331] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2023] [Revised: 08/16/2023] [Accepted: 08/18/2023] [Indexed: 09/29/2023] Open
Abstract
Alzheimer's disease is the most prevalent neurodegenerative disorder and affects the lives not only of those who are diagnosed but also of their caregivers. Despite the enormous social, economic and political burden, AD remains a disease without an effective treatment and with several failed attempts to modify the disease course. The fact that AD clinical diagnosis is most often performed at a stage at which the underlying pathological events are in an advanced and conceivably irremediable state strongly hampers treatment attempts. This raises the awareness of the need to identify and characterize the early brain changes in AD, in order to identify possible novel therapeutic targets to circumvent AD's cascade of events. One of the most auspicious targets is mitochondria, powerful organelles found in nearly all cells of the body. A vast body of literature has shown that mitochondria from AD patients and model organisms of the disease differ from their non-AD counterparts. In view of this evidence, preserving and/or restoring mitochondria's health and function can represent the primary means to achieve advances to tackle AD. In this review, we will briefly assess and summarize the previous and latest evidence of mitochondria dysfunction in AD. A particular focus will be given to the recent updates and advances in the strategy options aimed to target faulty mitochondria in AD.
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Affiliation(s)
- Tiago Sousa
- Faculty of Medicine, University of Coimbra, 3000-370 Coimbra, Portugal;
| | - Paula I. Moreira
- CNC—Center for Neuroscience and Cell Biology, University of Coimbra, 3004-504 Coimbra, Portugal;
- CIBB—Center for Innovative Biomedicine and Biotechnology, University of Coimbra, 3004-504 Coimbra, Portugal
- Institute of Physiology, Faculty of Medicine, University of Coimbra, 3000-370 Coimbra, Portugal
| | - Susana Cardoso
- CNC—Center for Neuroscience and Cell Biology, University of Coimbra, 3004-504 Coimbra, Portugal;
- CIBB—Center for Innovative Biomedicine and Biotechnology, University of Coimbra, 3004-504 Coimbra, Portugal
- IIIUC—Institute for Interdisciplinary Research, University of Coimbra, 3030-789 Coimbra, Portugal
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Häusler S, Robertson NJ, Golhen K, van den Anker J, Tucker K, Felder TK. Melatonin as a Therapy for Preterm Brain Injury: What Is the Evidence? Antioxidants (Basel) 2023; 12:1630. [PMID: 37627625 PMCID: PMC10451719 DOI: 10.3390/antiox12081630] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2023] [Revised: 07/28/2023] [Accepted: 08/15/2023] [Indexed: 08/27/2023] Open
Abstract
Despite significant improvements in survival following preterm birth in recent years, the neurodevelopmental burden of prematurity, with its long-term cognitive and behavioral consequences, remains a significant challenge in neonatology. Neuroprotective treatment options to improve neurodevelopmental outcomes in preterm infants are therefore urgently needed. Alleviating inflammatory and oxidative stress (OS), melatonin might modify important triggers of preterm brain injury, a complex combination of destructive and developmental abnormalities termed encephalopathy of prematurity (EoP). Preliminary data also suggests that melatonin has a direct neurotrophic impact, emphasizing its therapeutic potential with a favorable safety profile in the preterm setting. The current review outlines the most important pathomechanisms underlying preterm brain injury and correlates them with melatonin's neuroprotective potential, while underlining significant pharmacokinetic/pharmacodynamic uncertainties that need to be addressed in future studies.
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Affiliation(s)
- Silke Häusler
- Division of Neonatology, Department of Pediatrics, Paracelsus Medical University Salzburg, 5020 Salzburg, Austria
| | - Nicola J. Robertson
- EGA Institute for Women’s Health, University College London, London WC1E 6HX, UK; (N.J.R.); (K.T.)
- Centre for Clinical Brain Sciences, University of Edinburgh, Edinburgh, 49 Little France Crescent, Edinburgh EH16 4SB, UK
| | - Klervi Golhen
- Pediatric Pharmacology and Pharmacometrics, University Children’s Hospital Basel (UKBB), University of Basel, 4001 Basel, Switzerland; (K.G.); (J.v.d.A.)
| | - John van den Anker
- Pediatric Pharmacology and Pharmacometrics, University Children’s Hospital Basel (UKBB), University of Basel, 4001 Basel, Switzerland; (K.G.); (J.v.d.A.)
- Division of Clinical Pharmacology, Children’s National Hospital, Washington, DC 20001, USA
| | - Katie Tucker
- EGA Institute for Women’s Health, University College London, London WC1E 6HX, UK; (N.J.R.); (K.T.)
| | - Thomas K. Felder
- Department of Laboratory Medicine, Paracelsus Medical University, 5020 Salzburg, Austria;
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Gao Y, Li Y, Wang J, Zhang X, Yao D, Ding X, Zhao X, Zhang Y. Melatonin Alleviates Lipopolysaccharide-Induced Endometritis by Inhibiting the Activation of NLRP3 Inflammasome through Autophagy. Animals (Basel) 2023; 13:2449. [PMID: 37570258 PMCID: PMC10417527 DOI: 10.3390/ani13152449] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2023] [Revised: 07/24/2023] [Accepted: 07/26/2023] [Indexed: 08/13/2023] Open
Abstract
Bovine endometritis is characterized by reduced milk production and high rates of infertility. Prior research has indicated that melatonin may possess anti-inflammatory and antioxidant properties that can counteract the progression of inflammatory diseases. In this research, we attempted to elucidate the protective effects of melatonin on LPS-induced endometritis. The results obtained from enzyme-linked immunosorbent assay (ELISA) and quantitative real-time PCR (qRT-PCR) revealed that melatonin effectively reduced the production and release of pro-inflammatory cytokines in an LPS-induced bovine endometrial epithelial cell line (BEND cells). Furthermore, western blotting demonstrated that melatonin treatment reduced the expression levels of the NOD-like receptor family pyrin domain-containing 3 (NLRP3) inflammasome-related proteins, including NLRP3, activated caspase-1, and cleaved IL-1β. Importantly, we further demonstrated that the anti-inflammatory effect of melatonin on BEND cells was related to autophagy by western blotting. Moreover, we used western blotting to detect autophagy-related proteins, MitoSOX to detect mitochondrial reactive oxygen species production (mtROS), and mitochondrial membrane potential (MMP) assay to detect mitochondrial membrane potential. The administration of melatonin demonstrated a significant enhancement in autophagy within BEND cells, leading to the effective elimination of impaired mitochondria. This process resulted in a reduction in the generation of reactive oxygen species within the mitochondria, restoration of mitochondrial membrane potential, and inhibition of the NLRP3 inflammasome activation. Moreover, in a mouse model of LPS-induced endometritis, melatonin treatment repressed the expression of pro-inflammatory cytokines by ELISA and qRT-PCR, alleviated pathological changes by hematoxylin-eosin staining (H&E), and inhibited myeloperoxidase (MPO) activity. In conclusion, our study showed that melatonin inhibited the activation of the NLRP3 inflammasome in BEND cells through autophagy, which may provide a novel therapeutic strategy for bovine endometritis.
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Affiliation(s)
- Yujin Gao
- College of Veterinary Medicine, Gansu Agricultural University, Lanzhou 730070, China;
- Gansu Key Laboratory of Animal Generational Physiology and Reproductive Regulation, Lanzhou 730070, China; (Y.L.); (J.W.); (X.Z.); (D.Y.); (X.D.)
| | - Yina Li
- Gansu Key Laboratory of Animal Generational Physiology and Reproductive Regulation, Lanzhou 730070, China; (Y.L.); (J.W.); (X.Z.); (D.Y.); (X.D.)
| | - Jiamian Wang
- Gansu Key Laboratory of Animal Generational Physiology and Reproductive Regulation, Lanzhou 730070, China; (Y.L.); (J.W.); (X.Z.); (D.Y.); (X.D.)
| | - Xijun Zhang
- Gansu Key Laboratory of Animal Generational Physiology and Reproductive Regulation, Lanzhou 730070, China; (Y.L.); (J.W.); (X.Z.); (D.Y.); (X.D.)
| | - Dan Yao
- Gansu Key Laboratory of Animal Generational Physiology and Reproductive Regulation, Lanzhou 730070, China; (Y.L.); (J.W.); (X.Z.); (D.Y.); (X.D.)
| | - Xuanpan Ding
- Gansu Key Laboratory of Animal Generational Physiology and Reproductive Regulation, Lanzhou 730070, China; (Y.L.); (J.W.); (X.Z.); (D.Y.); (X.D.)
| | - Xingxu Zhao
- College of Veterinary Medicine, Gansu Agricultural University, Lanzhou 730070, China;
- Gansu Key Laboratory of Animal Generational Physiology and Reproductive Regulation, Lanzhou 730070, China; (Y.L.); (J.W.); (X.Z.); (D.Y.); (X.D.)
| | - Yong Zhang
- College of Veterinary Medicine, Gansu Agricultural University, Lanzhou 730070, China;
- Gansu Key Laboratory of Animal Generational Physiology and Reproductive Regulation, Lanzhou 730070, China; (Y.L.); (J.W.); (X.Z.); (D.Y.); (X.D.)
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