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Ban Q, Chi W, Tan Y, Wang S, Li N, Song L, Huang X, Wang D, Peng W, Granato D, Zhao G. Melatonin improved glucose homeostasis is associated with the reprogrammed gut microbiota and reduced fecal levels of short‐chain fatty acids in db/db mice. Food Sci Nutr 2023; 11:2012-2026. [PMID: 37051358 PMCID: PMC10084979 DOI: 10.1002/fsn3.3237] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2022] [Revised: 11/24/2022] [Accepted: 01/12/2023] [Indexed: 02/01/2023] Open
Abstract
Accumulated evidence shows that melatonin possesses the potential to improve lipid metabolism by modifying gut microbiota and glucose metabolism via regulating the melatonin receptor signaling pathway. However, the contribution of melatonin consumption on glucose homeostasis by affecting gut microbiota has not been investigated in diabetes. In the current work, we investigated the effect of melatonin administration on gut microbiota and glucose homeostasis in db/db mice, a type 2 diabetes model with leptin receptor deficiency. Administration of melatonin through drinking water (at 0.25% and 0.50%) for 12 weeks decreased diabetic polydipsia and polyuria, increased insulin sensitivity and impeded glycemia. The accumulated fecal levels of total short-chain fatty acids (SCFAs) and acetic acid are positively correlated with diabetes-related parameters-homeostasis model assessment of insulin resistance (HOMA-IR) index and fasting blood glucose (FBG) level. The reprogramming of gut microbiota structure and abundance and the reduction of fecal levels of SCFAs, including acetic acid, butyric acid, isovaleric acid, caproic acid, and isobutyric acid, by melatonin may be beneficial for enhancing insulin sensitivity and lowering FBG, which were verified by the results of correlation analysis between acetic acid or total SCFAs and HOMA-IR and FBG. In addition, the melatonin downregulated hepatic genes, including fructose-1,6-bisphosphatase 1, forkhead box O1 alpha, thioredoxin-interacting protein, phosphoenolpyruvate carboxy-kinase (PEPCK), PEPCK1 and a glucose-6-phosphatase catalytic subunit, that responsible for gluconeogenesis support the result that melatonin improved glucose metabolism. Overall, results showed that the melatonin supplementation reduced fecal SCFAs level via reprogramming of gut microbiota, and the reduction of fecal SCFAs level is associated with improved glucose homeostasis in db/db mice.
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Affiliation(s)
- Qiuyan Ban
- Department of Tea Science, College of Horticulture Henan Agricultural University Zhengzhou China
| | - Wenjing Chi
- Department of Tea Science, College of Horticulture Henan Agricultural University Zhengzhou China
| | - Yu Tan
- Department of Cell Biology, College of Life Science and Technology Jinan University Guangzhou China
| | - Shiqiong Wang
- Innovation Team of Food Nutrition and Safety Control, College of Food Science & Technology Henan Agricultural University Zhengzhou China
| | - Ning Li
- Innovation Team of Food Nutrition and Safety Control, College of Food Science & Technology Henan Agricultural University Zhengzhou China
| | - Lianjun Song
- Innovation Team of Food Nutrition and Safety Control, College of Food Science & Technology Henan Agricultural University Zhengzhou China
| | - Xianqing Huang
- Innovation Team of Food Nutrition and Safety Control, College of Food Science & Technology Henan Agricultural University Zhengzhou China
| | - Dongxu Wang
- School of Grain Science and Technology Jiangsu University of Science and Technology Zhenjiang China
| | - Wanxi Peng
- Henan Province Engineering Research Center for Biomass Value‐added Products, School of Forestry Henan Agricultural University Zhengzhou China
| | - Daniel Granato
- Bioactivity and Applications Lab, Department of Biological Sciences, Faculty of Science and Engineering University of Limerick Limerick Ireland
| | - Guangshan Zhao
- Innovation Team of Food Nutrition and Safety Control, College of Food Science & Technology Henan Agricultural University Zhengzhou China
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Huang X, Qiu Y, Gao Y, Zhou R, Hu Q, He Z, Lv Y, Wang X, Chen W, Deng Y, An Z, Zhang H, Mo Z, Lin R. Gut microbiota mediate melatonin signalling in association with type 2 diabetes. Diabetologia 2022; 65:1627-1641. [PMID: 35768541 DOI: 10.1007/s00125-022-05747-w] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/05/2022] [Accepted: 04/25/2022] [Indexed: 11/30/2022]
Abstract
AIMS/HYPOTHESIS It has been shown that melatonin plays a general beneficial role in type 2 diabetes in rodents but its role in humans is controversial. In the present study, we investigated the association between serum melatonin and type 2 diabetes risk in a southern Chinese population in a case-control study. We also examined the role of gut microbiota in this relationship. METHODS Individuals with type 2 diabetes (cases) and healthy individuals (controls) (n=2034) were recruited from a cross-sectional study and were matched for age and sex in a case-control study. The levels of serum melatonin were measured and the association between serum melatonin and type 2 diabetes risk was examined using a multivariable logistic regression model. We further conducted a rigorously matched case-control study (n=120) in which gut microbial 16S rRNA was sequenced and metabolites were profiled using an untargeted LC-MS/MS approach. RESULTS Higher levels of serum melatonin were significantly associated with a lower risk of type 2 diabetes (OR 0.82 [95% CI 0.74, 0.92]) and with lower levels of fasting glucose after adjustment for covariates (β -0.25 [95% CI -0.38, -0.12]). Gut microbiota exhibited alteration in the individuals with type 2 diabetes, in whom lower levels of serum melatonin, lower α- and β-diversity of gut microbiota (p<0.05), greater abundance of Bifidobacterium and lower abundance of Coprococcus (linear discriminant analysis [LDA] >2.0) were found. Seven genera were correlated with melatonin and type 2 diabetes-related traits; among them Bifidobacterium was positively correlated with serum lipopolysaccharide (LPS) and IL-10, whereas Coprococcus was negatively correlated with serum IL-1β, IL-6, IL-10, IL-17, TNF-α and LPS (Benjamini-Hochberg-adjusted p value [false discovery rate (FDR)] <0.05). Moreover, altered metabolites were detected in the participants with type 2 diabetes and there was a significant correlation between tryptophan (Trp) metabolites and the melatonin-correlated genera including Bifidobacterium and Coprococcus (FDR<0.05). Similarly, a significant correlation was found between Trp metabolites and inflammation factors, such as IL-1β, IL-6, IL-10, IL-17, TNF-α and LPS (FDR<0.05). Further, we showed that Trp metabolites may serve as a biomarker to predict type 2 diabetes status (AUC=0.804). CONCLUSIONS/INTERPRETATION A higher level of serum melatonin was associated with a lower risk of type 2 diabetes. Gut microbiota-mediated melatonin signalling was involved in this association; especially, Bifidobacterium- and Coprococcus-mediated Trp metabolites may be involved in the process. These findings uncover the importance of melatonin and melatonin-related bacteria and metabolites as potential therapeutic targets for type 2 diabetes.
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Affiliation(s)
- Xueran Huang
- Center for Genomic and Personalized Medicine, Guangxi Key Laboratory for Genomic and Personalized Medicine, Guangxi Collaborative Innovation Center for Genomic and Personalized Medicine, Guangxi Medical University, Nanning, China
- Department of Nutrition and Food Hygiene, School of Public Health, Guangxi Medical University, Nanning, China
| | - Yang Qiu
- Center for Genomic and Personalized Medicine, Guangxi Key Laboratory for Genomic and Personalized Medicine, Guangxi Collaborative Innovation Center for Genomic and Personalized Medicine, Guangxi Medical University, Nanning, China
- Department of Nutrition and Food Hygiene, School of Public Health, Guangxi Medical University, Nanning, China
| | - Yongfen Gao
- Center for Genomic and Personalized Medicine, Guangxi Key Laboratory for Genomic and Personalized Medicine, Guangxi Collaborative Innovation Center for Genomic and Personalized Medicine, Guangxi Medical University, Nanning, China
- Department of Nutrition and Food Hygiene, School of Public Health, Guangxi Medical University, Nanning, China
| | - Rong Zhou
- Center for Genomic and Personalized Medicine, Guangxi Key Laboratory for Genomic and Personalized Medicine, Guangxi Collaborative Innovation Center for Genomic and Personalized Medicine, Guangxi Medical University, Nanning, China
- Department of Occupational Health and Environmental Health, School of Public Health, Guangxi Medical University, Nanning, China
| | - Qiantu Hu
- Center for Genomic and Personalized Medicine, Guangxi Key Laboratory for Genomic and Personalized Medicine, Guangxi Collaborative Innovation Center for Genomic and Personalized Medicine, Guangxi Medical University, Nanning, China
| | - Zouyan He
- Department of Nutrition and Food Hygiene, School of Public Health, Guangxi Medical University, Nanning, China
| | - Yingnan Lv
- Center for Genomic and Personalized Medicine, Guangxi Key Laboratory for Genomic and Personalized Medicine, Guangxi Collaborative Innovation Center for Genomic and Personalized Medicine, Guangxi Medical University, Nanning, China
| | - Xi Wang
- Center for Genomic and Personalized Medicine, Guangxi Key Laboratory for Genomic and Personalized Medicine, Guangxi Collaborative Innovation Center for Genomic and Personalized Medicine, Guangxi Medical University, Nanning, China
- Department of Nutrition and Food Hygiene, School of Public Health, Guangxi Medical University, Nanning, China
| | - Wanrong Chen
- Center for Genomic and Personalized Medicine, Guangxi Key Laboratory for Genomic and Personalized Medicine, Guangxi Collaborative Innovation Center for Genomic and Personalized Medicine, Guangxi Medical University, Nanning, China
- Department of Nutrition and Food Hygiene, School of Public Health, Guangxi Medical University, Nanning, China
| | - Yuqing Deng
- Center for Genomic and Personalized Medicine, Guangxi Key Laboratory for Genomic and Personalized Medicine, Guangxi Collaborative Innovation Center for Genomic and Personalized Medicine, Guangxi Medical University, Nanning, China
- Department of Nutrition and Food Hygiene, School of Public Health, Guangxi Medical University, Nanning, China
| | - Zhuangzhuang An
- Center for Genomic and Personalized Medicine, Guangxi Key Laboratory for Genomic and Personalized Medicine, Guangxi Collaborative Innovation Center for Genomic and Personalized Medicine, Guangxi Medical University, Nanning, China
- Department of Nutrition and Food Hygiene, School of Public Health, Guangxi Medical University, Nanning, China
| | - Haiying Zhang
- Center for Genomic and Personalized Medicine, Guangxi Key Laboratory for Genomic and Personalized Medicine, Guangxi Collaborative Innovation Center for Genomic and Personalized Medicine, Guangxi Medical University, Nanning, China.
- Department of Occupational Health and Environmental Health, School of Public Health, Guangxi Medical University, Nanning, China.
| | - Zengnan Mo
- Center for Genomic and Personalized Medicine, Guangxi Key Laboratory for Genomic and Personalized Medicine, Guangxi Collaborative Innovation Center for Genomic and Personalized Medicine, Guangxi Medical University, Nanning, China.
| | - Rui Lin
- Center for Genomic and Personalized Medicine, Guangxi Key Laboratory for Genomic and Personalized Medicine, Guangxi Collaborative Innovation Center for Genomic and Personalized Medicine, Guangxi Medical University, Nanning, China.
- Department of Nutrition and Food Hygiene, School of Public Health, Guangxi Medical University, Nanning, China.
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Alamdari AF, Rahnemayan S, Rajabi H, Vahed N, Kashani HRK, Rezabakhsh A, Sanaie S. Melatonin as a promising modulator of aging related neurodegenerative disorders: Role of microRNAs. Pharmacol Res 2021; 173:105839. [PMID: 34418564 DOI: 10.1016/j.phrs.2021.105839] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/31/2021] [Revised: 08/02/2021] [Accepted: 08/16/2021] [Indexed: 02/07/2023]
Abstract
One of the host risk factors involved in aging-related diseases is coupled with the reduction of endogenous melatonin (MLT) synthesis in the pineal gland. MLT is considered a well-known pleiotropic regulatory hormone to modulate a multitude of biological processes such as the regulation of circadian rhythm attended by potent anti-oxidant, anti-inflammatory, and anti-cancer properties. It has also been established that the microRNAs family, as non-coding mRNAs regulating post-transcriptional processes, also serve a crucial role to promote MLT-related advantageous effects in both experimental and clinical settings. Moreover, the anti-aging impact of MLT and miRNAs participation jointly are of particular interest, recently. In this review, we aimed to scrutinize recent advances concerning the therapeutic implications of MLT, particularly in the brain tissue in the face of aging. We also assessed the possible interplay between microRNAs and MLT, which could be considered a therapeutic strategy to slow down the aging process in the nervous system.
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Affiliation(s)
- Arezoo Fathalizadeh Alamdari
- Aging Research Institute, Tabriz University of Medical Sciences, Tabriz, Iran; Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Sama Rahnemayan
- Aging Research Institute, Tabriz University of Medical Sciences, Tabriz, Iran; Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Hadi Rajabi
- Research Center for Translational Medicine, School of Medicine, Koç University, Istanbul, Turkey
| | - Nafiseh Vahed
- Research Center for Evidence-Based Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Hamid Reza Khayat Kashani
- Department of Neurosurgery, Imam Hossein Hospital, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Aysa Rezabakhsh
- Cardiovascular Research Center, Tabriz University of Medical Sciences, Tabriz, Iran; Emergency Medicine Research Team, Tabriz University of Medical Sciences, Tabriz, Iran.
| | - Sarvin Sanaie
- Neurosciences Research Center, Aging Research Institute, Tabriz University of Medical Sciences, Tabriz, Iran.
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Cui Y, Yang M, Wang Y, Ren J, Lin P, Cui C, Song J, He Q, Hu H, Wang K, Sun Y. Melatonin prevents diabetes-associated cognitive dysfunction from microglia-mediated neuroinflammation by activating autophagy via TLR4/Akt/mTOR pathway. FASEB J 2021; 35:e21485. [PMID: 33709562 DOI: 10.1096/fj.202002247rr] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2020] [Revised: 02/10/2021] [Accepted: 02/15/2021] [Indexed: 02/06/2023]
Abstract
Cognitive dysfunction often occurs in diabetes mellitus patients. This study aimed to investigate the efficacy of melatonin (MLT) in improving diabetes-associated cognitive decline and the underlying mechanism involved. Type 2 diabetic mice and palmitic acid (PA)-stimulated BV-2 cells were treated by MLT, and the potential mechanisms among MLT, cognition, and autophagy were explored. The results showed that type 2 diabetic mice showed obvious learning and memory impairments in the Morris water maze test compared with normal controls, which could be ameliorated by MLT treatment. Meanwhile, MLT administration significantly improved neuroinflammation and regulated microglial apoptosis. Furthermore, autophagy inhibitor 3-methyladenine (3-MA) increased the microglial inflammation and apoptosis, indicating that the treatment effect of MLT was mediated by autophagy. Lastly, MLT treatment significantly decreased the levels of toll-like receptors 4 (TLR4), phosphorylated-protein kinase B (Akt), and phosphorylated-mechanistic target of rapamycin (mTOR), indicating that blocking TLR4/Akt/mTOR pathway might be an underlying basis for the anti-inflammatory and anti-apoptosis effects of MLT. Collectively, our study suggested that MLT could improve learning and memory in type 2 diabetic mice by activating autophagy via the TLR4/Akt/mTOR pathway, thereby inhibiting neuroinflammation and microglial apoptosis.
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Affiliation(s)
- Yixin Cui
- Department of Endocrinology, Qilu Hospital of Shandong University, Jinan, China
- Institute of Endocrine and Metabolic Diseases, Shandong University, Jinan, China
| | - Mengmeng Yang
- Department of Endocrinology, Qilu Hospital of Shandong University, Jinan, China
- Institute of Endocrine and Metabolic Diseases, Shandong University, Jinan, China
| | - Yilin Wang
- Department of Traumatic Orthopedics, Peking University People's Hospital, Beijing, China
| | - Jianmin Ren
- Department of Endocrinology, Qilu Hospital of Shandong University, Jinan, China
- Institute of Endocrine and Metabolic Diseases, Shandong University, Jinan, China
- Key Laboratory of Endocrine and Metabolic Diseases, Shandong Province Medicine & Health, Jinan, China
- Jinan Clinical Research Center for Endocrine and Metabolic Diseases, Jinan, China
| | - Peng Lin
- Department of Endocrinology, Qilu Hospital of Shandong University, Jinan, China
- Institute of Endocrine and Metabolic Diseases, Shandong University, Jinan, China
- Key Laboratory of Endocrine and Metabolic Diseases, Shandong Province Medicine & Health, Jinan, China
- Jinan Clinical Research Center for Endocrine and Metabolic Diseases, Jinan, China
| | - Chen Cui
- Department of Endocrinology, Qilu Hospital of Shandong University, Jinan, China
- Institute of Endocrine and Metabolic Diseases, Shandong University, Jinan, China
| | - Jia Song
- Department of Endocrinology, Qilu Hospital of Shandong University, Jinan, China
- Institute of Endocrine and Metabolic Diseases, Shandong University, Jinan, China
| | - Qin He
- Department of Endocrinology, Qilu Hospital of Shandong University, Jinan, China
- Institute of Endocrine and Metabolic Diseases, Shandong University, Jinan, China
- Key Laboratory of Endocrine and Metabolic Diseases, Shandong Province Medicine & Health, Jinan, China
- Jinan Clinical Research Center for Endocrine and Metabolic Diseases, Jinan, China
| | - Huiqing Hu
- Department of Endocrinology, Qilu Hospital of Shandong University, Jinan, China
- Institute of Endocrine and Metabolic Diseases, Shandong University, Jinan, China
| | - Kexin Wang
- Department of General Surgery, Qilu Hospital of Shandong University, Jinan, China
| | - Yu Sun
- Department of Endocrinology, Qilu Hospital of Shandong University, Jinan, China
- Institute of Endocrine and Metabolic Diseases, Shandong University, Jinan, China
- Key Laboratory of Endocrine and Metabolic Diseases, Shandong Province Medicine & Health, Jinan, China
- Jinan Clinical Research Center for Endocrine and Metabolic Diseases, Jinan, China
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Bastos MAV, Oliveira Bastos PRHD, Portella RB, Soares LFG, Conde RB, Rodrigues PMF, Lucchetti G. Pineal gland and schizophrenia: A systematic review and meta-analysis. Psychoneuroendocrinology 2019; 104:100-114. [PMID: 30831343 DOI: 10.1016/j.psyneuen.2019.02.024] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/18/2018] [Revised: 01/17/2019] [Accepted: 02/24/2019] [Indexed: 12/29/2022]
Abstract
Melatonin (MLT), the main hormone of the pineal gland (PG), is assumed to support initiation and maintenance of sleep, and a stable sleep-wake cycle, exerting antioxidative and neuroprotective actions. Evidence demonstrates that sleep and circadian rhythm abnormalities are very common in schizophrenia patients. Some imaging studies suggest structural abnormalities of the PG in these patients as well. We aimed to critically appraise the literature on PG imaging and melatonin secretion in schizophrenia patients, in comparison to matched healthy controls, and to review placebo-controlled trials of add-on exogenous MLT treatment in schizophrenia patients. In this systematic review, twenty-nine studies were included. Meta-analytical evaluation of data was possible only for MLT secretion finding that midnight plasma levels were significantly reduced in individuals with schizophrenia as compared to healthy controls (Hedge`s g = 1.32, p < 0.01). Imaging studies demonstrated greater prevalence of enlarged calcifications (>1 cm) of the PG (2 out of 2 computed tomography studies) and smaller PG volume (2 out of 3 magnetic resonance studies) compared with healthy controls. Anatomic and functional abnormalities of the PG were not associated with duration of illness or with treatment factors, maybe suggesting them to be primary characteristics of the disease and genetically based. Add-on MLT treatment leads to a modest improvement of objective and subjective sleep quality, of metabolic adverse effects of antipsychotics, and of tardive dyskinesia symptoms in schizophrenia patients. It remains to be established whether MLT treatment in prodromal phases of the disease could prevent neurostructural abnormalities.
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Affiliation(s)
- Marco Aurélio Vinhosa Bastos
- Federal University of Mato Grosso do Sul, Postgraduate Program in Health and Development, Av. Senador Filinto Muller, s/n - Cidade Universitária, Campo Grande, MS, 79070-900, Brazil.
| | - Paulo Roberto Haidamus de Oliveira Bastos
- Federal University of Mato Grosso do Sul, Postgraduate Program in Health and Development, Av. Senador Filinto Muller, s/n - Cidade Universitária, Campo Grande, MS, 79070-900, Brazil
| | - Renata Boschi Portella
- Federal University of Mato Grosso do Sul, Faculty of Medicine, Av. Senador Filinto Muller, s/n - Cidade Universitária, Campo Grande, MS, 79070-900, Brazil
| | - Leonardo Fabrício Gomes Soares
- Federal University of Mato Grosso do Sul, Postgraduate Program in Health and Development, Av. Senador Filinto Muller, s/n - Cidade Universitária, Campo Grande, MS, 79070-900, Brazil
| | - Ricardo Brilhante Conde
- Proexames Imaging Clinic, Av. Mato Grosso, 1772 - Centro, Campo Grande, MS, 79020-201, Brazil
| | | | - Giancarlo Lucchetti
- Federal University of Juiz de Fora, School of Medicine, Av. Eugênio do Nascimento, s/n - Dom Bosco, Juiz de Fora, MG, 36036-330, Brazil
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