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Yanar K, Simsek B, Çakatay U. Integration of Melatonin Related Redox Homeostasis, Aging, and Circadian Rhythm. Rejuvenation Res 2019; 22:409-419. [DOI: 10.1089/rej.2018.2159] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Affiliation(s)
- Karolin Yanar
- Department of Medical Biochemistry, Cerrahpasa Faculty of Medicine, Istanbul University-Cerrahpasa, Istanbul, Turkey
| | - Bahadir Simsek
- Department of Medical Biochemistry, Cerrahpasa Faculty of Medicine, Istanbul University-Cerrahpasa, Istanbul, Turkey
| | - Ufuk Çakatay
- Department of Medical Biochemistry, Cerrahpasa Faculty of Medicine, Istanbul University-Cerrahpasa, Istanbul, Turkey
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52
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Copertaro A, Bracci M. Working against the biological clock: a review for the Occupational Physician. INDUSTRIAL HEALTH 2019; 57:557-569. [PMID: 30799323 PMCID: PMC6783289 DOI: 10.2486/indhealth.2018-0173] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/01/2018] [Accepted: 12/27/2018] [Indexed: 05/28/2023]
Abstract
The master clock of the biological rhythm, located in the suprachiasmatic nucleus of the anterior hypothalamus, synchronizes the molecular biological clock found in every cell of most peripheral tissues. The human circadian rhythm is largely based on the light-dark cycle. In night shift workers, alteration of the cycle and inversion of the sleep-wake rhythm can result in disruption of the biological clock and induce adverse health effects. This paper offers an overview of the main physiological mechanisms that regulate the circadian rhythm and of the health risks that are associated with its perturbation in shift and night workers. The Occupational Physician should screen shift and night workers for clinical symptoms related to the perturbation of the biological clock and consider preventive strategies to reduce the associated health risks.
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Affiliation(s)
| | - Massimo Bracci
- Occupational Medicine, Department of Clinical and Molecular Sciences, Polytechnic University of Marche, Italy
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53
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Audrito V, Managò A, Gaudino F, Sorci L, Messana VG, Raffaelli N, Deaglio S. NAD-Biosynthetic and Consuming Enzymes as Central Players of Metabolic Regulation of Innate and Adaptive Immune Responses in Cancer. Front Immunol 2019; 10:1720. [PMID: 31402913 PMCID: PMC6671870 DOI: 10.3389/fimmu.2019.01720] [Citation(s) in RCA: 52] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2019] [Accepted: 07/09/2019] [Indexed: 12/15/2022] Open
Abstract
Cancer cells, particularly in solid tumors, are surrounded by non-neoplastic elements, including endothelial and stromal cells, as well as cells of immune origin, which can support tumor growth by providing the right conditions. On the other hand, local hypoxia, and lack of nutrients induce tumor cells to reprogram their metabolism in order to survive, proliferate, and disseminate: the same conditions are also responsible for building a tumor-suppressive microenvironment. In addition to tumor cells, it is now well-recognized that metabolic rewiring occurs in all cellular components of the tumor microenvironment, affecting epigenetic regulation of gene expression and influencing differentiation/proliferation decisions of these cells. Nicotinamide adenine dinucleotide (NAD) is an essential co-factor for energy transduction in metabolic processes. It is also a key component of signaling pathways, through the regulation of NAD-consuming enzymes, including sirtuins and PARPs, which can affect DNA plasticity and accessibility. In addition, both NAD-biosynthetic and NAD-consuming enzymes can be present in the extracellular environment, adding a new layer of complexity to the system. In this review we will discuss the role of the “NADome” in the metabolic cross-talk between cancer and infiltrating immune cells, contributing to cancer growth and immune evasion, with an eye to therapeutic implications.
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Affiliation(s)
- Valentina Audrito
- Department of Medical Sciences, University of Turin, Turin, Italy.,Italian Institute for Genomic Medicine, Turin, Italy
| | - Antonella Managò
- Department of Medical Sciences, University of Turin, Turin, Italy.,Italian Institute for Genomic Medicine, Turin, Italy
| | - Federica Gaudino
- Department of Medical Sciences, University of Turin, Turin, Italy.,Italian Institute for Genomic Medicine, Turin, Italy
| | - Leonardo Sorci
- Division of Bioinformatics and Biochemistry, Department of Materials, Environmental Sciences and Urban Planning, Polytechnic University of Marche, Ancona, Italy
| | - Vincenzo Gianluca Messana
- Department of Medical Sciences, University of Turin, Turin, Italy.,Italian Institute for Genomic Medicine, Turin, Italy
| | - Nadia Raffaelli
- Department of Agricultural, Food and Environmental Sciences, Polytechnic University of Marche, Ancona, Italy
| | - Silvia Deaglio
- Department of Medical Sciences, University of Turin, Turin, Italy.,Italian Institute for Genomic Medicine, Turin, Italy
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54
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Xiong XY, Liang J, Xu YQ, Liu Y. The Tilapia collagen peptide mixture TY001 protects against LPS-induced inflammation, disruption of glucose metabolism, and aberrant expression of circadian clock genes in mice. Chronobiol Int 2019; 36:1013-1023. [PMID: 31060384 DOI: 10.1080/07420528.2019.1606821] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2019] [Revised: 03/20/2019] [Accepted: 04/09/2019] [Indexed: 10/26/2022]
Abstract
The Tilapia collagen peptide mixture TY001 has been shown to accelerate wound healing in streptozotocin-induced diabetic mice and to protect against streptozotocin-induced inflammation and elevation in blood glucose. The goals of the present study are to further study TY001 effects on lipopolysaccharide (LPS)-induced inflammation and metabolic syndrome. LPS is known to disrupt circadian clock to produce toxic effects, the effects of TY001 on rhythmic alterations of serum cytokines and hepatic clock gene expressions were examined. Mice were given TY001 (30 g/L, ≈ 40 g/kg) through the drinking water for 30 days, and on the 21st day of TY001 supplementation, LPS (0.25 mg/kg, ip, daily) was given for 9 days to establish the inflammation model. Repeated LPS injections produced inflammation, impaired glucose metabolism, and suppressed the expression of circadian clock core genes Bmal1 and Clock; clock feedback gene Cry1, Cry2, Per1, and Per2; clock target gene Rev-erbα and RORα. TY001 prevented LPS-induced elevations of TNFα, IL-1β, IL-6, and IL-10 in the liver, along with improved histopathology. TY001 reduced LPS-elevated fasting blood glucose and increased LPS-reduced serum insulin levels, probably via increased glucose transporter GLUT2, enhanced insulin signaling p-Akt and p-IRS-1Try612. Importantly, LPS-induced circadian elevations of serum TNFα and IL-1β and aberrant expression of circadian clock genes in the liver were ameliorated by TY001. Immunohistochemistry revealed that the LPS decreased Bmal1 and Clock protein in the liver, which was recovered by TY001. Taken together, TY001 is effective against LPS-induced inflammation, disruption of glucose metabolism and disruption of circadian clock gene expressions. Abbreviations: TY001: Tilapia collagen peptide mixture; LPS: Lipopolysaccharide; TNFα: Tumor necrosis factor-α; IL-1β: Interleukin-1β; GLUT2: Glucose transporter 2.
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Affiliation(s)
- Xiao-Yun Xiong
- a Yabao Institute of Health Sciences , Yabao Pharmaceutical Group Co., Ltd , Fenglingdu , Shanxi , China
| | - Jun Liang
- b Yabao Production Center , Yabao Pharmaceutical Group Co., Ltd , Fenglingdu, Shanxi , China
| | - Yi-Qiao Xu
- c R&D department , Hunter Biotechnology, Inc , Hangzhou , Zhejiang , China
| | - Yi Liu
- d The Center for Disease Control and Prevention of Shaanxi Province , Xi'an , Shaanxi , China
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55
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Song J, Jiang X, Juan J, Cao Y, Chibnik LB, Hofman A, Wu T, Hu Y. Role of metabolic syndrome and its components as mediators of the genetic effect on type 2 diabetes: A family-based study in China. J Diabetes 2019; 11:552-562. [PMID: 30520249 DOI: 10.1111/1753-0407.12882] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/13/2018] [Revised: 11/12/2018] [Accepted: 11/29/2018] [Indexed: 12/15/2022] Open
Abstract
BACKGROUND Metabolic syndrome (MetS) share a genetic basis with type 2 diabetes (T2D). However, whether MetS and its components mediate genetic susceptibility to T2D is not completely understood. METHODS We assessed the effects of MetS and its components on associations T2D and 18 genome-wide association studies-identified variants using a two-stage strategy based on parametric models involving 7110 Chinese participants (2436 were T2D patients) across 2885 families. Multilevel logistic regression was used to account for the intrafamilial correlation. RESULTS Metabolic syndrome significantly mediated the effect of a melatonin receptor 1B (MTNR1B) polymorphism on T2D risk (OR of average causal mediation effect [ORACME ] 1.004; 95% confidence interval [CI] 1.001-1.008; P = 0.018). In addition, low high-density lipoprotein cholesterol (HDL-C) levels mediated the genetic effects of MTNR1B (ORACME 1.012; 95% CI 1.007-1.015; P < 0.001), solute carrier family 30 member 8 (SLC30A8; ORACME 1.001; 95% CI 1.000-1.007; P < 0.040), B-cell lymphoma/leukemia 11A (BCL11A; ORACME 1.009; 95% CI 1.007-1.016; P < 0.001), prospero homeobox 1 (PROX1; ORACME 1.005; 95% CI 1.003-1.011; P < 0.001) and a disintegrin and metallopeptidase with thrombospondin type 1 motif 9 (ADAMTS9; ORACME 1.006; 95% CI 1.001-1.009; P = 0.022), whereas increased fasting blood glucose (FBG) significantly mediated the genetic effect of BCL11A (ORACME 1.017; 95% CI 1.003-1.021; P = 0.012). CONCLUSIONS This study provides evidence that MetS and two of its components (HDL-C, FBG) may be involved in mediating the genetic predisposition to T2D, which emphasize the importance of maintaining normal HDL-C and FBG levels.
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Affiliation(s)
- Jing Song
- Department of Epidemiology and Biostatistics, School of Public Health, Peking University, Beijing, China
| | - Xia Jiang
- Program in Genetic Epidemiology and Statistical Genetics, Harvard T.H. Chan School of Public Health, Harvard University, Boston, Massachusetts
| | - Juan Juan
- Department of Epidemiology and Biostatistics, School of Public Health, Peking University, Beijing, China
| | - Yaying Cao
- Department of Epidemiology and Biostatistics, School of Public Health, Peking University, Beijing, China
| | - Lori B Chibnik
- Department of Epidemiology, Harvard T.H. Chan School of Public Health, Harvard University, Boston, Massachusetts
- Channing Division of Network Medicine, Brigham and Women's Hospital, Boston, Massachusetts
| | - Albert Hofman
- Department of Epidemiology, Harvard T.H. Chan School of Public Health, Harvard University, Boston, Massachusetts
| | - Tao Wu
- Department of Epidemiology and Biostatistics, School of Public Health, Peking University, Beijing, China
| | - Yonghua Hu
- Department of Epidemiology and Biostatistics, School of Public Health, Peking University, Beijing, China
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56
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Shen X, Chen Y, Zhang J, Yan X, Liu W, Guo Y, Shan Q, Liu S. Low-dose PCB126 compromises circadian rhythms associated with disordered glucose and lipid metabolism in mice. ENVIRONMENT INTERNATIONAL 2019; 128:146-157. [PMID: 31055201 DOI: 10.1016/j.envint.2019.04.058] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/01/2019] [Revised: 04/25/2019] [Accepted: 04/25/2019] [Indexed: 06/09/2023]
Abstract
It has been documented that 3, 3', 4, 4', 5-pentachlorobiphenyl (PCB126) elicits diverse detrimental effects on human health including metabolic syndrome and non-alcoholic fatty-liver disease (NAFLD), through a wide array of non-carcinogenic mechanisms, which require further detailed investigations. The circadian clock system consists of central clock machinery (located in the suprachiasmatic nucleus in the hypothalamus) and the peripheral clocks (located in nearly all peripheral tissues). Peripheral clocks in the liver play fundamental roles in maintaining liver homeostasis, including the regulation of energy metabolism and the expression of enzymes that fine-tune the absorption and metabolism of xenobiotics. However, the molecular basis of whether PCB126 disrupts liver homeostasis (e.g., glucose and lipid metabolism) by dysregulating the circadian clock system is still unknown. Thus, we performed a set of comprehensive analyses of glucose and lipid metabolism in the liver tissues from low-dose PCB126-treated mice. Our results demonstrated that PCB126 diminished glucose and cholesterol levels in serum and elevated glucose and cholesterol levels in the liver. Moreover, PCB126 compromised PGC1α and PDHE1α, which are the driving force for mitochondrial biogenesis and entry of pyruvate into the tricarboxylic acid (TCA) cycle, respectively, and resulted in the accumulation of glucose, glycogen and pyruvate in the liver after PCB126 exposure. Additionally, PCB126 blocked hepatic cholesterol metabolism and export pathways, leading to an elevated localization of hepatic cholesterol. Mechanistic investigations illustrated that PCB126 greatly altered the expression profile of core clock genes and their target rhythm genes involved in orchestrating glucose and cholesterol metabolism. Together, our results demonstrated that a close correlation between PCB126-disturbed glucose and lipid metabolism and disordered physiological oscillation of circadian genes.
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Affiliation(s)
- Xinming Shen
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China; University of Chinese Academy of Sciences, Beijing, China
| | - Yongjiu Chen
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China; University of Chinese Academy of Sciences, Beijing, China
| | - Jie Zhang
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China; University of Chinese Academy of Sciences, Beijing, China
| | - Xu Yan
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China; University of Chinese Academy of Sciences, Beijing, China
| | - Wei Liu
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China; University of Chinese Academy of Sciences, Beijing, China
| | - Yifan Guo
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
| | - Qiuli Shan
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
| | - Sijin Liu
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China; University of Chinese Academy of Sciences, Beijing, China.
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57
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Liu B, Song L, Zhang L, Wang L, Wu M, Xu S, Wang Y. Sleep patterns and the risk of adverse birth outcomes among Chinese women. Int J Gynaecol Obstet 2019; 146:308-314. [DOI: 10.1002/ijgo.12878] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2018] [Revised: 01/30/2019] [Accepted: 05/31/2019] [Indexed: 12/31/2022]
Affiliation(s)
- Bingqing Liu
- Department of Maternal and Child HealthSchool of Public HealthTongji Medical CollegeHuazhong University of Science and Technology Wuhan China
| | - Lulu Song
- Department of Maternal and Child HealthSchool of Public HealthTongji Medical CollegeHuazhong University of Science and Technology Wuhan China
| | - Lina Zhang
- Department of Maternal and Child HealthSchool of Public HealthTongji Medical CollegeHuazhong University of Science and Technology Wuhan China
| | - Lulin Wang
- Department of Maternal and Child HealthSchool of Public HealthTongji Medical CollegeHuazhong University of Science and Technology Wuhan China
| | - Mingyang Wu
- Department of Maternal and Child HealthSchool of Public HealthTongji Medical CollegeHuazhong University of Science and Technology Wuhan China
| | - Shunqing Xu
- Key Laboratory of Environment and HealthMinistry of Education & Ministry of Environmental ProtectionHuazhong University of Science and Technology Wuhan China
- State Key Laboratory of Environmental HealthSchool of Public HealthTongji Medical CollegeHuazhong University of Science and Technology Wuhan China
| | - Youjie Wang
- Department of Maternal and Child HealthSchool of Public HealthTongji Medical CollegeHuazhong University of Science and Technology Wuhan China
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58
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Crew RC, Mark PJ, Waddell BJ. Obesity Disrupts Rhythmic Clock Gene Expression in Maternal Adipose Tissue during Rat Pregnancy. J Biol Rhythms 2019; 33:289-301. [PMID: 29761750 DOI: 10.1177/0748730418772499] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Obesity during pregnancy causes numerous maternal and fetal health complications, but the underlying mechanisms remain unclear. Adipose tissue dysfunction in obesity has previously been linked to disruption of the intrinsic adipose clock gene network that is crucial for normal metabolic function. This adipose clock also undergoes major change as part of the maternal metabolic adaptation to pregnancy, but whether this is affected by maternal obesity is unknown. Consequently, in this study we tested the hypothesis that obesity disturbs rhythmic gene expression in maternal adipose tissue across pregnancy. A rat model of maternal obesity was established by cafeteria (CAF) feeding, and adipose expression of clock genes and associated nuclear receptors ( Ppars and Pgc1α) was measured across days 15-16 and 21-22 of gestation (term = 23 days). CAF feeding suppressed the mesor and/or amplitude of adipose tissue clock genes (most notably Bmal1, Per2, and Rev-erbα) relative to chow-fed controls (CON) across both days of gestation. On day 15, the CAF diet also induced adipose Pparα, Pparδ, and Pgc1α rhythmicity but repressed that of Pparγ, while expression of Pparα, Pparδ, and Pgc1α was reduced at select time points. CAF mothers were hyperleptinemic at both stages of gestation, and at day 21 this effect was time-of-day dependent. Fetal plasma leptin exhibited clear rhythmicity, albeit with low amplitude, but interestingly these levels were unaffected by CAF feeding. Our data show that maternal obesity disrupts rhythmic expression of clock and metabolic genes in maternal adipose tissue and leads to maternal but not fetal hyperleptinemia.
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Affiliation(s)
- Rachael C Crew
- School of Human Sciences, The University of Western Australia, Perth, Western Australia, Australia
| | - Peter J Mark
- School of Human Sciences, The University of Western Australia, Perth, Western Australia, Australia
| | - Brendan J Waddell
- School of Human Sciences, The University of Western Australia, Perth, Western Australia, Australia
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Papandreou C, Camacho-Barcia L, García-Gavilán J, Hansen TT, Hjorth MF, Halford JCG, Salas-Salvadó J, Sjödin A, Bulló M. Circulating metabolites associated with objectively measured sleep duration and sleep variability in overweight/obese participants: a metabolomics approach within the SATIN study. Sleep 2019; 42:5307010. [PMID: 30722060 DOI: 10.1093/sleep/zsz030] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2018] [Revised: 11/02/2018] [Indexed: 12/19/2022] Open
Affiliation(s)
- Christopher Papandreou
- Human Nutrition Unit, Faculty of Medicine and Health Sciences, Institut d’Investigació Sanitària Pere Virgili, Rovira i Virgili University, Reus, Spain
- CIBER Fisiopatología de la Obesidad y Nutrición (CIBEROBN), Instituto de Salud Carlos III, Madrid, Spain
| | - Lucia Camacho-Barcia
- Human Nutrition Unit, Faculty of Medicine and Health Sciences, Institut d’Investigació Sanitària Pere Virgili, Rovira i Virgili University, Reus, Spain
- CIBER Fisiopatología de la Obesidad y Nutrición (CIBEROBN), Instituto de Salud Carlos III, Madrid, Spain
| | - Jesús García-Gavilán
- Human Nutrition Unit, Faculty of Medicine and Health Sciences, Institut d’Investigació Sanitària Pere Virgili, Rovira i Virgili University, Reus, Spain
- CIBER Fisiopatología de la Obesidad y Nutrición (CIBEROBN), Instituto de Salud Carlos III, Madrid, Spain
| | - Thea Toft Hansen
- Department of Nutrition, Exercise and Sports, University of Copenhagen, Rolighedsvej 26, 1958 Frederiksberg C, Denmark
| | - Mads F Hjorth
- Department of Nutrition, Exercise and Sports, University of Copenhagen, Rolighedsvej 26, 1958 Frederiksberg C, Denmark
| | - Jason C G Halford
- Department of Psychological Sciences, Institute of Psychology Health and Society, University of Liverpool, Liverpool, UK
| | - Jordi Salas-Salvadó
- Human Nutrition Unit, Faculty of Medicine and Health Sciences, Institut d’Investigació Sanitària Pere Virgili, Rovira i Virgili University, Reus, Spain
- CIBER Fisiopatología de la Obesidad y Nutrición (CIBEROBN), Instituto de Salud Carlos III, Madrid, Spain
| | - Anders Sjödin
- Department of Nutrition, Exercise and Sports, University of Copenhagen, Rolighedsvej 26, 1958 Frederiksberg C, Denmark
| | - Mónica Bulló
- Human Nutrition Unit, Faculty of Medicine and Health Sciences, Institut d’Investigació Sanitària Pere Virgili, Rovira i Virgili University, Reus, Spain
- CIBER Fisiopatología de la Obesidad y Nutrición (CIBEROBN), Instituto de Salud Carlos III, Madrid, Spain
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Bonham MP, Kaias E, Zimberg I, Leung GKW, Davis R, Sletten TL, Windsor-Aubrey H, Huggins CE. Effect of Night Time Eating on Postprandial Triglyceride Metabolism in Healthy Adults: A Systematic Literature Review. J Biol Rhythms 2019; 34:119-130. [DOI: 10.1177/0748730418824214] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Eating at night time, as is frequent in shift workers, may contribute to increased cardiovascular disease (CVD) risk through a disruption in usual lipid metabolism, resulting in repeated and sustained hyperlipidemia at night. This systematic review aimed to investigate the impact of eating a meal at night compared with the same meal eaten during the day on postprandial lipemia. Six databases were searched: CINAHL Plus, Cochrane Library, EMBASE, Ovid MEDLINE, Informit, and SCOPUS. Eligible studies were original research cross-over design with a minimum fasting period of 5 h before testing preceded by a standardized control meal; measured postprandial triacylglycerol (TAG) for 5 h or greater; had meal time between 0700 h and 1600 h for day time and between 2000 h and 0400 h for night time; and had within-study test meals (food or drink) that were identical in macronutrient composition and energy. Two authors independently completed eligibility and quality assessment using the American Dietetic Association Quality Criteria Checklist for Primary Research. After removing duplicates, 4,423 articles were screened, yielding 5 studies for qualitative synthesis. All studies identified at least one parameter of the postprandial TAG response that was different as a result of meal time (e.g., the total concentration or the time course kinetics). Two studies reported a greater total TAG concentration (area under curve) at night compared with day, and 3 studies found no difference. Four studies reported that the kinetics of the postprandial time course of TAGs was different at night compared with during the day. Inconsistent reporting in the primary studies was a limitation of the review. Night eating may negatively affect postprandial lipemia and this review shows there is a need to rigorously test this using standardized methods and analysis with larger sample sizes. This is critical for informing strategies to lower CVD risk for shift workers.
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Affiliation(s)
- Maxine P. Bonham
- Department of Nutrition, Dietetics and Food, Monash University, VIC Australia
| | - Elleni Kaias
- Department of Nutrition, Dietetics and Food, Monash University, VIC Australia
| | - Iona Zimberg
- Department of Nutrition, Dietetics and Food, Monash University, VIC Australia
| | - Gloria K. W. Leung
- Department of Nutrition, Dietetics and Food, Monash University, VIC Australia
| | - Rochelle Davis
- Department of Nutrition, Dietetics and Food, Monash University, VIC Australia
| | - Tracey L. Sletten
- Monash Institute of Cognitive and Clinical Neurosciences, School of Psychological Sciences, Monash University, VIC, Australia
- Cooperative Research Centre for Alertness, Safety and Productivity, VIC, Australia
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Kolbe I, Carrasco-Benso MP, López-Mínguez J, Luján J, Scheer FAJL, Oster H, Garaulet M. Circadian period of luciferase expression shortens with age in human mature adipocytes from obese patients. FASEB J 2019; 33:175-180. [PMID: 29965796 PMCID: PMC6355068 DOI: 10.1096/fj.201800441r] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2018] [Accepted: 06/12/2018] [Indexed: 11/11/2022]
Abstract
Daily rhythms in physiology and behavior change with age. An unresolved question is to what extent such age-related alterations in circadian organization are driven by the central clock in the suprachiasmatic nucleus (SCN), modifying timing signals to contributing peripheral tissue oscillators, and are mediated by underlying changes in the local cellular oscillators themselves. Using a bioluminescence reporter approach, we sought to determine whether circadian clock function in human adipocytes from subcutaneous (SAT) and visceral (VAT) adipose tissues changes with age. SAT and VAT biopsies were obtained from obese individuals during gastric bypass surgeries [ n = 16; body mass index: 44.8 ± 11.4 kg/m2; age: 44 ± 9 yr (range: 30-58)]. Cells were isolated and transduced with a lentiviral circadian reporter construct [brain and muscle aryl hydrocarbon receptor nuclear translocator-like:luciferase ( BMAL:LUC)], and bioluminescence was recorded over a period of 3 d. Human BMAL1:LUC adipocytes displayed a robust luminescence rhythm with comparable within-individual periods in mature and preadipocytes ( P > 0.05). With increasing age, the circadian period decreased in mature adipocytes ( P = 0.005) (β = 4 min/yr; P < 0.05). Our ex vivo approach indicated that ageing changes the organization of endogenous circadian oscillators in human adipocytes, independent of SCN signaling.-Kolbe, I., Carrasco-Benso, M. P., López-Mínguez, J., Luján, J., Scheer, F. A. J. L., Oster, H., Garaulet, M. Circadian period of luciferase expression shortens with age in human mature adipocytes from obese patients.
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Affiliation(s)
- Isa Kolbe
- Institute of Neurobiology, University of Lübeck, Lübeck, Germany
| | - María Paz Carrasco-Benso
- Department of Physiology, Faculty of Biology, University of Murcia, Murcia, Spain
- Biomedical Research Institute, Murcia, Spain
| | - Jesús López-Mínguez
- Department of Physiology, Faculty of Biology, University of Murcia, Murcia, Spain
- Biomedical Research Institute, Murcia, Spain
| | - Juan Luján
- General Surgery Service, University Hospital Virgen de la Arrixaca, Murcia, Spain; and
| | - Frank A. J. L. Scheer
- Division of Sleep and Circadian Disorders, Brigham and Women’s Hospital, Boston, Massachusetts, USA
- Division of Sleep Medicine, Harvard Medical School, Boston, Massachusetts, USA
| | - Henrik Oster
- Institute of Neurobiology, University of Lübeck, Lübeck, Germany
| | - Marta Garaulet
- Department of Physiology, Faculty of Biology, University of Murcia, Murcia, Spain
- Biomedical Research Institute, Murcia, Spain
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Zhou L, Kang L, Xiao X, Jia L, Zhang Q, Deng M. "Gut Microbiota-Circadian Clock Axis" in Deciphering the Mechanism Linking Early-Life Nutritional Environment and Abnormal Glucose Metabolism. Int J Endocrinol 2019; 2019:5893028. [PMID: 31534453 PMCID: PMC6732598 DOI: 10.1155/2019/5893028] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/11/2019] [Accepted: 07/16/2019] [Indexed: 02/07/2023] Open
Abstract
The prevalence of diabetes mellitus (DM) has been increasing dramatically worldwide, but the pathogenesis is still unknown. A growing amount of evidence suggests that an abnormal developmental environment in early life increases the risk of developing metabolic diseases in adult life, which is referred to as the "metabolic memory" and the Developmental Origins of Health and Disease (DOHaD) hypothesis. The mechanism of "metabolic memory" has become a hot topic in the field of DM worldwide and could be a key to understanding the pathogenesis of DM. In recent years, several large cohort studies have shown that shift workers have a higher risk of developing type 2 diabetes mellitus (T2DM) and worse control of blood glucose levels. Furthermore, a maternal high-fat diet could lead to metabolic disorders and abnormal expression of clock genes and clock-controlled genes in offspring. Thus, disorders of circadian rhythm might play a pivotal role in glucose metabolic disturbances, especially in terms of early adverse nutritional environments and the development of metabolic diseases in later life. In addition, as a peripheral clock, the gut microbiota has its own circadian rhythm that fluctuates with periodic feeding and has been widely recognized for its significant role in metabolism. In light of the important roles of the gut microbiota and circadian clock in metabolic health and their interconnected regulatory relationship, we propose that the "gut microbiota-circadian clock axis" might be a novel and crucial mechanism to decipher "metabolic memory." The "gut microbiota-circadian clock axis" is expected to facilitate the future development of a novel target for the prevention and intervention of diabetes during the early stage of life.
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Affiliation(s)
- Liyuan Zhou
- Key Laboratory of Endocrinology, Translational Medicine Center, Ministry of Health, Department of Endocrinology, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing, China
| | - Lin Kang
- Department of Endocrinology, The Second Clinical Medical College of Jinan University, Shenzhen People's Hospital, Shenzhen 518020, China
| | - Xinhua Xiao
- Key Laboratory of Endocrinology, Translational Medicine Center, Ministry of Health, Department of Endocrinology, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing, China
| | - Lijing Jia
- Department of Endocrinology, The Second Clinical Medical College of Jinan University, Shenzhen People's Hospital, Shenzhen 518020, China
| | - Qian Zhang
- Key Laboratory of Endocrinology, Translational Medicine Center, Ministry of Health, Department of Endocrinology, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing, China
| | - Mingqun Deng
- Key Laboratory of Endocrinology, Translational Medicine Center, Ministry of Health, Department of Endocrinology, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing, China
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de Aquino Lemos V, dos Santos RVT, Antunes HKM, Behn C, Viscor G, Lira FS, Bittar IGL, Caris AV, Tufik S, De Mello MT. Melatonin and sleep responses to normobaric hypoxia and aerobic physical exercise: A randomized controlled trial. Physiol Behav 2018; 196:95-103. [DOI: 10.1016/j.physbeh.2018.08.016] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2018] [Revised: 08/27/2018] [Accepted: 08/27/2018] [Indexed: 12/11/2022]
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Gao LM, Xie CY, Zhang TY, Wu X, Yin YL. Maternal supplementation with calcium varying with feeding time daily during late pregnancy affects lipid metabolism and transport of placenta in pigs. Biochem Biophys Res Commun 2018; 505:624-630. [PMID: 30278888 DOI: 10.1016/j.bbrc.2018.09.143] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2018] [Accepted: 09/21/2018] [Indexed: 01/18/2023]
Abstract
To investigate effects of Ca level varying with feeding time daily in sows during late pregnancy on placental lipid metabolism and transport in pigs, sixty pregnant sows were assigned to 3 groups: the CON group was fed low-Ca diet with 11.25 g CaCO3 at 0600 h and 1500 h, H-L group was fed low-Ca diet with 22.5 g CaCO3 at 0600 h and low-Ca diet at 1500 h, and L-H group was fed low-Ca diet at 0600 h and low-Ca diet with 22.5 g CaCO3 at 1500 h, respectively. Serum from sows and umbilical cord and placenta were collected during delivery. Results showed that, compared with the CON group, H-L feeding significantly increased maternal serum total triglyceride (TG) and umbilical serum high-density lipoprotein (HDL) (P < 0.05). The results showed that long chain fatty acid (FA) contents in placenta were significantly increased in H-L and L-H groups (P < 0.05). Experiments on genes involved in glycolipid metabolism showed that H-L or L-H feeding inhibited mRNA expression of GLUT3, GLUT4, FAS, FABP1, FABPpm, FAT/CD36, while activated the mRNA expression of FASD1, FASD2 and SCD in placenta (P < 0.05). In addition, experiments on genes involved in biological clock showed that L-H feeding sequence activated the mRNA expression of per1 and clock, while H-L and L-H feeding sequence inhibited mRNA expression of per2 in placenta (P < 0.05). It is concluded that maternal supplementation with Ca varying with feeding time daily during late pregnancy affects placental lipid metabolism and transport in pigs by regulating the mRNA expression related to lipid metabolism and the circadian clock.
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Affiliation(s)
- Lu-Min Gao
- Hunan Co-Innovation Center of Safety Animal Production, College of Animal Science and Technology, College of Bioscience and Biotechnology, Hunan Agricultural University, Changsha, 410128, China; Key Laboratory of Agro-ecological Processes in Subtropical Region, Institute of Subtropical Agriculture, Chinese Academy of Sciences, National Engineering Laboratory for Pollution Control and Waste Utilization in Livestock and Poultry Production, Hunan Provincial Engineering Research Center for Healthy Livestock and Poultry Production, Scientific Observing and Experimental Station of Animal Nutrition and Feed Science in South-Central, Ministry of Agriculture, Changsha, Hunan, 410125, China
| | - Chun-Yan Xie
- Hunan Co-Innovation Center of Safety Animal Production, College of Animal Science and Technology, College of Bioscience and Biotechnology, Hunan Agricultural University, Changsha, 410128, China.
| | - Tian-Yong Zhang
- Henan Guang'an Biology Technology Co. Ltd, Zhengzhou, Henan, 450001, China
| | - Xin Wu
- Hunan Co-Innovation Center of Safety Animal Production, College of Animal Science and Technology, College of Bioscience and Biotechnology, Hunan Agricultural University, Changsha, 410128, China; Key Laboratory of Agro-ecological Processes in Subtropical Region, Institute of Subtropical Agriculture, Chinese Academy of Sciences, National Engineering Laboratory for Pollution Control and Waste Utilization in Livestock and Poultry Production, Hunan Provincial Engineering Research Center for Healthy Livestock and Poultry Production, Scientific Observing and Experimental Station of Animal Nutrition and Feed Science in South-Central, Ministry of Agriculture, Changsha, Hunan, 410125, China.
| | - Yu-Long Yin
- Hunan Co-Innovation Center of Safety Animal Production, College of Animal Science and Technology, College of Bioscience and Biotechnology, Hunan Agricultural University, Changsha, 410128, China; Key Laboratory of Agro-ecological Processes in Subtropical Region, Institute of Subtropical Agriculture, Chinese Academy of Sciences, National Engineering Laboratory for Pollution Control and Waste Utilization in Livestock and Poultry Production, Hunan Provincial Engineering Research Center for Healthy Livestock and Poultry Production, Scientific Observing and Experimental Station of Animal Nutrition and Feed Science in South-Central, Ministry of Agriculture, Changsha, Hunan, 410125, China
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Oliveira T, Marinho V, Carvalho V, Magalhães F, Rocha K, Ayres C, Teixeira S, Nunes M, Bastos VH, Pinto GR. Genetic polymorphisms associated with circadian rhythm dysregulation provide new perspectives on bipolar disorder. Bipolar Disord 2018; 20:515-522. [PMID: 29441659 DOI: 10.1111/bdi.12624] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/30/2017] [Revised: 10/24/2017] [Accepted: 01/07/2018] [Indexed: 12/31/2022]
Abstract
OBJECTIVES The objective of this study was to present a broad view of how genetic polymorphisms in genes that control the rhythmicity and function of circadian rhythm may influence the etiology, pathophysiology and treatment of bipolar disorder (BD). METHODS A bibliographic search was performed to identify and select papers reporting studies on variations in circadian genes and BD. A search of Medline, Google Scholar, Scopus, and Web of Science was carried out to review the literature. RESULTS Several studies provide evidence of contributions of variations in circadian genes to disease etiology, pathophysiological variations and lithium drug response. Dysfunction of the sleep-wake cycle, an important brain function regulator, is indicated as the primary means by which circadian gene variations act in mood disorders. CONCLUSIONS Investigations of the effects of circadian genes have suggested that the chronotype offers hope for guiding and improving management of patients with BD. However, BD is a disease of a complex nature and presents multiple endophenotypes determined by different associations between genetics and the environment. Thus, new genomic studies to delimit variations that may help improve the clinical condition of these patients are extremely important.
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Affiliation(s)
- Thomaz Oliveira
- Brain Mapping and Plasticity Laboratory, Federal University of Piauí, Parnaíba, Brazil
- Genetics and Molecular Biology Laboratory, Federal University of Piauí, Parnaíba, Brazil
| | - Victor Marinho
- Brain Mapping and Plasticity Laboratory, Federal University of Piauí, Parnaíba, Brazil
- Genetics and Molecular Biology Laboratory, Federal University of Piauí, Parnaíba, Brazil
- The Northeast Biotechnology Network (RENORBIO), Federal University of Piauí, Teresina, Brazil
| | - Valécia Carvalho
- Brain Mapping and Plasticity Laboratory, Federal University of Piauí, Parnaíba, Brazil
- The Northeast Biotechnology Network (RENORBIO), Federal University of Piauí, Teresina, Brazil
| | - Francisco Magalhães
- Brain Mapping and Plasticity Laboratory, Federal University of Piauí, Parnaíba, Brazil
- The Northeast Biotechnology Network (RENORBIO), Federal University of Piauí, Teresina, Brazil
| | - Kaline Rocha
- Brain Mapping and Plasticity Laboratory, Federal University of Piauí, Parnaíba, Brazil
- The Northeast Biotechnology Network (RENORBIO), Federal University of Piauí, Teresina, Brazil
| | - Carla Ayres
- Brain Mapping and Plasticity Laboratory, Federal University of Piauí, Parnaíba, Brazil
| | - Silmar Teixeira
- Brain Mapping and Plasticity Laboratory, Federal University of Piauí, Parnaíba, Brazil
- The Northeast Biotechnology Network (RENORBIO), Federal University of Piauí, Teresina, Brazil
| | - Monara Nunes
- Brain Mapping and Functionality Laboratory, Federal University of Piauí, Parnaíba, Brazil
| | - Victor Hugo Bastos
- Brain Mapping and Functionality Laboratory, Federal University of Piauí, Parnaíba, Brazil
| | - Giovanny R Pinto
- Genetics and Molecular Biology Laboratory, Federal University of Piauí, Parnaíba, Brazil
- The Northeast Biotechnology Network (RENORBIO), Federal University of Piauí, Teresina, Brazil
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Prokkola JM, Nikinmaa M. Circadian rhythms and environmental disturbances – underexplored interactions. J Exp Biol 2018; 221:221/16/jeb179267. [DOI: 10.1242/jeb.179267] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
ABSTRACT
Biological rhythms control the life of virtually all organisms, impacting numerous aspects ranging from subcellular processes to behaviour. Many studies have shown that changes in abiotic environmental conditions can disturb or entrain circadian (∼24 h) rhythms. These expected changes are so large that they could impose risks to the long-term viability of populations. Climate change is a major global stressor affecting the fitness of animals, partially because it challenges the adaptive associations between endogenous clocks and temperature – consequently, one can posit that a large-scale natural experiment on the plasticity of rhythm–temperature interactions is underway. Further risks are posed by chemical pollution and the depletion of oxygen levels in aquatic environments. Here, we focused our attention on fish, which are at heightened risk of being affected by human influence and are adapted to diverse environments showing predictable changes in light conditions, oxygen saturation and temperature. The examined literature to date suggests an abundance of mechanisms that can lead to interactions between responses to hypoxia, pollutants or pathogens and regulation of endogenous rhythms, but also reveals gaps in our understanding of the plasticity of endogenous rhythms in fish and in how these interactions may be disturbed by human influence and affect natural populations. Here, we summarize research on the molecular mechanisms behind environment–clock interactions as they relate to oxygen variability, temperature and responses to pollutants, and propose ways to address these interactions more conclusively in future studies.
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Affiliation(s)
- Jenni M. Prokkola
- Department of Biology, University of Turku, FI-20014 Turku, Finland
- Institute of Integrative Biology, University of Liverpool, Liverpool L69 7ZB, UK
| | - Mikko Nikinmaa
- Department of Biology, University of Turku, FI-20014 Turku, Finland
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Night Shift Work Affects Urine Metabolite Profiles of Nurses with Early Chronotype. Metabolites 2018; 8:metabo8030045. [PMID: 30134533 PMCID: PMC6161245 DOI: 10.3390/metabo8030045] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2018] [Revised: 08/14/2018] [Accepted: 08/18/2018] [Indexed: 01/22/2023] Open
Abstract
Night shift work can have a serious impact on health. Here, we assess whether and how night shift work influences the metabolite profiles, specifically with respect to different chronotype classes. We have recruited 100 women including 68 nurses working both, day shift and night shifts for up to 5 consecutive days and collected 3640 spontaneous urine samples. About 424 waking-up urine samples were measured using a targeted metabolomics approach. To account for urine dilution, we applied three methods to normalize the metabolite values: creatinine-, osmolality- and regression-based normalization. Based on linear mixed effect models, we found 31 metabolites significantly (false discovery rate <0.05) affected in nurses working in night shifts. One metabolite, acylcarnitine C10:2, was consistently identified with all three normalization methods. We further observed 11 and 4 metabolites significantly associated with night shift in early and late chronotype classes, respectively. Increased levels of medium- and long chain acylcarnitines indicate a strong impairment of the fatty acid oxidation. Our results show that night shift work influences acylcarnitines and BCAAs, particularly in nurses in the early chronotype class. Women with intermediate and late chronotypes appear to be less affected by night shift work.
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68
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Abstract
PURPOSE OF REVIEW The goal of the present paper is to review current literature supporting the occurrence of fundamental changes in brain energy metabolism during the transition from wakefulness to sleep. RECENT FINDINGS Latest research in the field indicates that glucose utilization and the concentrations of several brain metabolites consistently change across the sleep-wake cycle. Lactate, a product of glycolysis that is involved in synaptic plasticity, has emerged as a good biomarker of brain state. Sleep-induced changes in cerebral metabolite levels result from a shift in oxidative metabolism, which alters the reliance of brain metabolism upon carbohydrates. We found wide support for the notion that brain energetics is state dependent. In particular, fatty acids and ketone bodies partly replace glucose as cerebral energy source during sleep. This mechanism plausibly accounts for increases in biosynthetic pathways and functional alterations in neuronal activity associated with sleep. A better account of brain energy metabolism during sleep might help elucidate the long mysterious restorative effects of sleep for the whole organism.
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Affiliation(s)
- Nadia Nielsen Aalling
- Center for Translational Neuromedicine, Division of Glial Disease and Therapeutics, Faculty of Health and Medical Sciences, University of Copenhagen, Nørre Allé 14, 2200, Copenhagen N, Denmark
| | - Maiken Nedergaard
- Center for Translational Neuromedicine, Division of Glial Disease and Therapeutics, Faculty of Health and Medical Sciences, University of Copenhagen, Nørre Allé 14, 2200, Copenhagen N, Denmark.,Center for Translational Neuromedicine, University of Rochester Medical School, Rochester, NY, 14640, USA
| | - Mauro DiNuzzo
- Center for Translational Neuromedicine, Division of Glial Disease and Therapeutics, Faculty of Health and Medical Sciences, University of Copenhagen, Nørre Allé 14, 2200, Copenhagen N, Denmark.
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69
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Circadian Rhythm and Alzheimer's Disease. Med Sci (Basel) 2018; 6:medsci6030052. [PMID: 29933646 PMCID: PMC6164904 DOI: 10.3390/medsci6030052] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2018] [Revised: 06/19/2018] [Accepted: 06/19/2018] [Indexed: 12/14/2022] Open
Abstract
Alzheimer’s disease (AD) is a neurodegenerative disorder with a growing epidemiological importance characterized by significant disease burden. Sleep-related pathological symptomatology often accompanies AD. The etiology and pathogenesis of disrupted circadian rhythm and AD share common factors, which also opens the perspective of viewing them as a mutually dependent process. This article focuses on the bi-directional relationship between these processes, discussing the pathophysiological links and clinical aspects. Common mechanisms linking both processes include neuroinflammation, neurodegeneration, and circadian rhythm desynchronization. Timely recognition of sleep-specific symptoms as components of AD could lead to an earlier and correct diagnosis with an opportunity of offering treatments at an earlier stage. Likewise, proper sleep hygiene and related treatments ought to be one of the priorities in the management of the patient population affected by AD. This narrative review brings a comprehensive approach to clearly demonstrate the underlying complexities linking AD and circadian rhythm disruption. Most clinical data are based on interventions including melatonin, but larger-scale research is still scarce. Following a pathophysiological reasoning backed by evidence gained from AD models, novel anti-inflammatory treatments and those targeting metabolic alterations in AD might prove useful for normalizing a disrupted circadian rhythm. By restoring it, benefits would be conferred for immunological, metabolic, and behavioral function in an affected individual. On the other hand, a balanced circadian rhythm should provide greater resilience to AD pathogenesis.
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70
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Benedusi M, Frigato E, Beltramello M, Bertolucci C, Valacchi G. Circadian clock as possible protective mechanism to pollution induced keratinocytes damage. Mech Ageing Dev 2018; 172:13-20. [PMID: 28860071 DOI: 10.1016/j.mad.2017.08.017] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2017] [Revised: 08/23/2017] [Accepted: 08/28/2017] [Indexed: 11/18/2022]
Abstract
Ozone is among the most toxic environmental stressors to which we are continuously exposed. Due to its critical location, skin is one of the most susceptible tissues to oxidative stress damaging effect of ozone. An increasing collection of data suggests a significant role of circadian system in regulation of cellular response to oxidative stress. However, the molecular mechanism linking circadian clock and antioxidant pathway it is not completely understood. Here we investigated a possible protective role of entrained circadian clock to ozone induced damage in keratinocytes, the main cellular component of human epidermis. Our results showed that, clock-synchronized keratinocytes compared to arrhythmic ones exhibited a more efficient antioxidant response, attested by a faster activation of the master antioxidant regulatory factor NRF2. Moreover, analysis of clock gene expression profiles reveals a more rapid induction of the cardinal clock gene Bmal1 in entrained cells. Based on these findings, we suppose that an adequate coordination of circadian system and antioxidant pathway might be essential to maintain homeostasis in the skin. Alteration of metabolic pathways occurred in neurological diseases or in irregular schedule of life activity could negatively influence tissue gene expression programs and associated organ physiology via its effect on the circadian system.
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Affiliation(s)
- Mascia Benedusi
- Department of Life Sciences and Biotechnology, Section of Medicinal and Health Products, University of Ferrara, I-44121 Ferrara, Italy
| | - Elena Frigato
- Department of Life Sciences and Biotechnology, Section of Medicinal and Health Products, University of Ferrara, I-44121 Ferrara, Italy
| | - Mattia Beltramello
- Department of Life Sciences and Biotechnology, Section of Medicinal and Health Products, University of Ferrara, I-44121 Ferrara, Italy
| | - Cristiano Bertolucci
- Department of Life Sciences and Biotechnology, Section of Medicinal and Health Products, University of Ferrara, I-44121 Ferrara, Italy
| | - Giuseppe Valacchi
- Department of Life Sciences and Biotechnology, Section of Medicinal and Health Products, University of Ferrara, I-44121 Ferrara, Italy; NC State University, Plants for Human Health Institute, Animal Science Dept., NC Research Campus, Kannapolis, NC 28081, USA.
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71
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Diederichs T, Perrar I, Roßbach S, Alexy U, Buyken AE. In adolescence a higher 'eveningness in energy intake' is associated with higher total daily energy intake. Appetite 2018; 128:159-166. [PMID: 29842968 DOI: 10.1016/j.appet.2018.05.142] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2018] [Revised: 04/26/2018] [Accepted: 05/24/2018] [Indexed: 12/28/2022]
Abstract
The present manuscript addressed two hypotheses: (i) As children age, energy intake is shifted from morning (energy intake <11am) to evening hours (energy intake >6pm) (ii) A higher 'eveningness in energy intake' (i.e. evening minus morning energy intake) is associated with a higher total daily energy intake. Data were analyzed from 262 DONALD cohort study participants, who had completed at least one 3-day weighed dietary record in the age groups 3/4, 5/6, 7/8, 9/10, 11/12, 13/14, 15/16 and 17/18 years (y). 'Eveningness in energy intake' was compared across age groups and related to total daily energy intake for each age group (multiple cross-sectional analyses). 'Eveningness' increased progressively from age group 3/4y to age group 17/18y. A median surplus of evening energy intake (i.e. when evening intake exceeded morning intake) was firstly observed for age group 11/12y. From age group 11/12y onwards, a higher 'eveningness' was associated with a higher total daily energy intake (all p < 0.04). Difference in total daily energy intake between the highest and the lowest tertile of 'eveningness' was largest for age group 17/18y, amounting to an 11% higher intake among adolescents in the highest as compared to those in the lowest tertile. In conclusion, energy intake progressively shifts from morning to evening hours as children age. Once evening energy intake exceeds morning energy intake, a higher 'eveningness in energy intake' is associated with higher total daily energy intake.
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Affiliation(s)
- Tanja Diederichs
- Institute of Nutrition, Consumption and Health, Faculty of Natural Sciences, University Paderborn, Warburger Straße 100, 33098 Paderborn, Germany; IEL-Nutritional Epidemiology, DONALD Study, University of Bonn, Heinstueck 11, 44225 Dortmund, Germany.
| | - Ines Perrar
- IEL-Nutritional Epidemiology, DONALD Study, University of Bonn, Heinstueck 11, 44225 Dortmund, Germany.
| | - Sarah Roßbach
- IEL-Nutritional Epidemiology, DONALD Study, University of Bonn, Heinstueck 11, 44225 Dortmund, Germany.
| | - Ute Alexy
- IEL-Nutritional Epidemiology, DONALD Study, University of Bonn, Heinstueck 11, 44225 Dortmund, Germany.
| | - Anette E Buyken
- Institute of Nutrition, Consumption and Health, Faculty of Natural Sciences, University Paderborn, Warburger Straße 100, 33098 Paderborn, Germany; IEL-Nutritional Epidemiology, DONALD Study, University of Bonn, Heinstueck 11, 44225 Dortmund, Germany.
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Robinson M, Shah P, Cui YH, He YY. The Role of Dynamic m 6 A RNA Methylation in Photobiology. Photochem Photobiol 2018; 95:95-104. [PMID: 29729018 DOI: 10.1111/php.12930] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2018] [Accepted: 04/24/2018] [Indexed: 02/06/2023]
Abstract
N6 -methyladenosine (m6 A) is the most abundant internal RNA modification among numerous post-transcriptional modifications identified in eukaryotic mRNA. m6 A modification of RNA is catalyzed by the "writer" m6 A methyltransferase enzyme complex, consisting of METTL3, METTL14, WTAP and KIAA1429. The m6 A modification is reversible and can be removed by "eraser" m6 A demethylase enzymes, namely, FTO and ALKBH5. The biological function of m6 A modification on RNA is carried out by RNA-binding effector proteins called "readers." Varied functions of the reader proteins regulate mRNA metabolism by affecting stability, translation, splicing or nuclear export. The epitranscriptomic gene regulation by m6 A RNA methylation regulates various pathways, which contribute to basic cellular processes essential for cell maintenance, development and cell fate, and affect response to external stimuli and stressors. In this review, we summarize the recent advances in the regulation and function of m6 A RNA methylation, with a focus on UV-induced DNA damage response and the circadian clock machinery. Insights into the mechanisms of m6 A RNA regulation and post-transcriptional regulatory function in these biological processes may facilitate the development of new preventive and therapeutic strategies for various diseases related to dysregulation of UV damage response and circadian rhythm.
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Affiliation(s)
- Myles Robinson
- Department of Medicine, Section of Dermatology, University of Chicago, Chicago, IL.,Pritzker School of Medicine, University of Chicago, Chicago, IL
| | - Palak Shah
- Department of Medicine, Section of Dermatology, University of Chicago, Chicago, IL
| | - Yan-Hong Cui
- Department of Medicine, Section of Dermatology, University of Chicago, Chicago, IL
| | - Yu-Ying He
- Department of Medicine, Section of Dermatology, University of Chicago, Chicago, IL
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73
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Nobis S, Goichon A, Achamrah N, Guérin C, Azhar S, Chan P, Morin A, Bôle-Feysot C, do Rego JC, Vaudry D, Déchelotte P, Belmonte L, Coëffier M. Alterations of proteome, mitochondrial dynamic and autophagy in the hypothalamus during activity-based anorexia. Sci Rep 2018; 8:7233. [PMID: 29740148 PMCID: PMC5940678 DOI: 10.1038/s41598-018-25548-9] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2017] [Accepted: 04/24/2018] [Indexed: 12/20/2022] Open
Abstract
Restrictive anorexia nervosa is associated with reduced eating and severe body weight loss leading to a cachectic state. Hypothalamus plays a major role in the regulation of food intake and energy homeostasis. In the present study, alterations of hypothalamic proteome and particularly of proteins involved in energy and mitochondrial metabolism have been observed in female activity-based anorexia (ABA) mice that exhibited a reduced food intake and a severe weight loss. In the hypothalamus, mitochondrial dynamic was also modified during ABA with an increase of fission without modification of fusion. In addition, increased dynamin-1, and LC3II/LC3I ratio signed an activation of autophagy while protein synthesis was increased. In conclusion, proteomic analysis revealed an adaptive hypothalamic protein response in ABA female mice with both altered mitochondrial response and activated autophagy.
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Affiliation(s)
- Séverine Nobis
- Normandie University, UNIROUEN, INSERM Unit 1073, Rouen, France.,Normandie University, UNIROUEN, Institute for Research and Innovation in Biomedicine (IRIB), Rouen, France
| | - Alexis Goichon
- Normandie University, UNIROUEN, INSERM Unit 1073, Rouen, France.,Normandie University, UNIROUEN, Institute for Research and Innovation in Biomedicine (IRIB), Rouen, France
| | - Najate Achamrah
- Normandie University, UNIROUEN, INSERM Unit 1073, Rouen, France.,Normandie University, UNIROUEN, Institute for Research and Innovation in Biomedicine (IRIB), Rouen, France.,Rouen University Hospital, Nutrition Department, Rouen, France
| | - Charlène Guérin
- Normandie University, UNIROUEN, INSERM Unit 1073, Rouen, France.,Normandie University, UNIROUEN, Institute for Research and Innovation in Biomedicine (IRIB), Rouen, France
| | - Saida Azhar
- Normandie University, UNIROUEN, INSERM Unit 1073, Rouen, France.,Normandie University, UNIROUEN, Institute for Research and Innovation in Biomedicine (IRIB), Rouen, France
| | - Philippe Chan
- Normandie University, UNIROUEN, Institute for Research and Innovation in Biomedicine (IRIB), Rouen, France.,Normandie University, UNIROUEN, Platform in proteomics PISSARO, Rouen, France
| | - Aline Morin
- Normandie University, UNIROUEN, INSERM Unit 1073, Rouen, France.,Normandie University, UNIROUEN, Institute for Research and Innovation in Biomedicine (IRIB), Rouen, France
| | - Christine Bôle-Feysot
- Normandie University, UNIROUEN, INSERM Unit 1073, Rouen, France.,Normandie University, UNIROUEN, Institute for Research and Innovation in Biomedicine (IRIB), Rouen, France
| | - Jean Claude do Rego
- Normandie University, UNIROUEN, Institute for Research and Innovation in Biomedicine (IRIB), Rouen, France.,Normandie University, UNIROUEN, Animal Behaviour Platform SCAC, Rouen, France
| | - David Vaudry
- Normandie University, UNIROUEN, Institute for Research and Innovation in Biomedicine (IRIB), Rouen, France.,Normandie University, UNIROUEN, Platform in proteomics PISSARO, Rouen, France.,Normandie University, UNIROUEN, INSERM Unit 1239, Mont-Saint-Aignan, France
| | - Pierre Déchelotte
- Normandie University, UNIROUEN, INSERM Unit 1073, Rouen, France.,Normandie University, UNIROUEN, Institute for Research and Innovation in Biomedicine (IRIB), Rouen, France.,Rouen University Hospital, Nutrition Department, Rouen, France
| | - Liliana Belmonte
- Normandie University, UNIROUEN, INSERM Unit 1073, Rouen, France.,Normandie University, UNIROUEN, Institute for Research and Innovation in Biomedicine (IRIB), Rouen, France.,Rouen University Hospital, Nutrition Department, Rouen, France
| | - Moïse Coëffier
- Normandie University, UNIROUEN, INSERM Unit 1073, Rouen, France. .,Normandie University, UNIROUEN, Institute for Research and Innovation in Biomedicine (IRIB), Rouen, France. .,Rouen University Hospital, Nutrition Department, Rouen, France.
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74
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Gaucher J, Montellier E, Sassone-Corsi P. Molecular Cogs: Interplay between Circadian Clock and Cell Cycle. Trends Cell Biol 2018; 28:368-379. [DOI: 10.1016/j.tcb.2018.01.006] [Citation(s) in RCA: 84] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2017] [Revised: 01/21/2018] [Accepted: 01/22/2018] [Indexed: 12/29/2022]
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75
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Ramos-Lopez O, Samblas M, Milagro FI, Riezu-Boj JI, Crujeiras A, Martinez JA, Project MENA. Circadian gene methylation profiles are associated with obesity, metabolic disturbances and carbohydrate intake. Chronobiol Int 2018; 35:969-981. [PMID: 29580070 DOI: 10.1080/07420528.2018.1446021] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
- Omar Ramos-Lopez
- Department of Nutrition, Food Science and Physiology, and Center for Nutrition Research, University of Navarra, Pamplona, Spain
| | - Mirian Samblas
- Department of Nutrition, Food Science and Physiology, and Center for Nutrition Research, University of Navarra, Pamplona, Spain
| | - Fermin I. Milagro
- Department of Nutrition, Food Science and Physiology, and Center for Nutrition Research, University of Navarra, Pamplona, Spain
- CIBERobn, Centro de Investigación Biomédica en Red de la Fisiopatología de la Obesidad y Nutrición, Carlos III Health INstitute, Madrid, Spain
| | - Jose I. Riezu-Boj
- Department of Nutrition, Food Science and Physiology, and Center for Nutrition Research, University of Navarra, Pamplona, Spain
- Navarra Institute for Health Research (IdiSNA), Pamplona, Spain
| | - A.B. Crujeiras
- CIBERobn, Centro de Investigación Biomédica en Red de la Fisiopatología de la Obesidad y Nutrición, Carlos III Health INstitute, Madrid, Spain
- Laboratory of Molecular and Cellular Endocrinology, Instituto de Investigación Sanitaria (IDIS), Complejo Hospitalario Universitario de Santiago (CHUS) and Santiago de Compostela University (USC), Santiago de Compostela, Spain
| | - J. Alfredo Martinez
- Department of Nutrition, Food Science and Physiology, and Center for Nutrition Research, University of Navarra, Pamplona, Spain
- CIBERobn, Centro de Investigación Biomédica en Red de la Fisiopatología de la Obesidad y Nutrición, Carlos III Health INstitute, Madrid, Spain
- Navarra Institute for Health Research (IdiSNA), Pamplona, Spain
- IMDEA Food, Research Institute on Food & Health Sciences, Madrid, Spain
| | - MENA Project
- Other Members of the MENA Project in Alphabetical Order Are: Abete I, Cuervo M, Goni L, Marti A, Martinez-Gonzalez MA, Moreno-Aliaga MJ, Navas-Carretero S, San-Cristobal R, Santos JL and Zulet MA
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76
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Wu L, Zhou X, Li T, He J, Lin X, Huang L, Ouyang Z, Wei T, He Q. Effects of L-serine supplementation on the daily rhythms of growth hormone and corticosterone concentrations in mice. BIOL RHYTHM RES 2018. [DOI: 10.1080/09291016.2018.1447343] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Affiliation(s)
- Li Wu
- Department of Food Science and Engineering, College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen, China
- Key Laboratory of Agro-Ecological Processes in Subtropical Region, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha, China
| | - Xihong Zhou
- Key Laboratory of Agro-Ecological Processes in Subtropical Region, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha, China
| | - Tiejun Li
- Key Laboratory of Agro-Ecological Processes in Subtropical Region, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha, China
| | - Juyun He
- Department of Food Science and Engineering, College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen, China
| | - Xue Lin
- Guangzhou TanKe Industry Co., Ltd., Guangzhou, China
| | - Linli Huang
- Department of Food Science and Engineering, College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen, China
| | - Zicheng Ouyang
- Department of Food Science and Engineering, College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen, China
| | - Tao Wei
- Department of Food Science and Engineering, College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen, China
| | - Qinghua He
- Department of Food Science and Engineering, College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen, China
- Key Laboratory of Agro-Ecological Processes in Subtropical Region, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha, China
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77
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Davis BT, Voigt RM, Shaikh M, Forsyth CB, Keshavarzian A. Circadian Mechanisms in Alcohol Use Disorder and Tissue Injury. Alcohol Clin Exp Res 2018; 42:668-677. [PMID: 29450896 DOI: 10.1111/acer.13612] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2017] [Accepted: 02/06/2018] [Indexed: 12/12/2022]
Abstract
Heavy use of alcohol can lead to addictive behaviors and to eventual alcohol-related tissue damage. While increased consumption of alcohol has been attributed to various factors including level of alcohol exposure and environmental factors such as stress, data from behavioral scientists and physiological researchers are revealing roles for the circadian rhythm in mediating the development of behaviors associated with alcohol use disorder as well as the tissue damage that drives physiological disease. In this work, we compile recent work on the complex mutually influential relationship that exists between the core circadian rhythm and the pharmacodynamics of alcohol. As we do so, we highlight implications of the relationship between alcohol and common circadian mechanisms of effected organs on alcohol consumption, metabolism, toxicity, and pathology.
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Affiliation(s)
| | | | | | | | - Ali Keshavarzian
- Division of Digestive Disease and Nutrition, Section of Gastroenterology, Department of Internal Medicine, Rush University Medical Center, Chicago, Illinois
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78
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Qi G, Guo R, Tian H, Li L, Liu H, Mi Y, Liu X. Nobiletin protects against insulin resistance and disorders of lipid metabolism by reprogramming of circadian clock in hepatocytes. Biochim Biophys Acta Mol Cell Biol Lipids 2018; 1863:549-562. [PMID: 29501626 DOI: 10.1016/j.bbalip.2018.02.009] [Citation(s) in RCA: 44] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2017] [Revised: 02/24/2018] [Accepted: 02/27/2018] [Indexed: 12/12/2022]
Abstract
SCOPE Circadian clock plays a principal role in orchestrating our daily physiology and metabolism, and their perturbation can evoke metabolic diseases such as fatty liver and insulin resistance. Nobiletin (NOB) has been demonstrated to possess antitumor and neuroprotective activities. The objective of the current study is to determine potential effects of NOB on modulating the core clock gene Bmal1 regarding ameliorating glucolipid metabolic disorders. RESULTS Our results revealed that NOB partially reverse the relatively shallow daily oscillations of circadian clock genes and reset phase-shifting circadian rhythms in primary hepatocytes under metabolic disorders conditions. Importantly, NOB was found to be effective at amplifying glucose uptake via stimulating IRS-1/AKT signaling pathway, as well as blunting palmitate-induced lipogenesis in HepG2 cells via modulating AMPK-Sirt1 signaling pathway and key enzymes of de novo lipogenesis in a Bmal1-dependent manner. NOB attenuated palmitate-stimulated excessive secretions of ROS, restored the depletions of mitochondrial membrane potential, which is similar to the recovery in expressions of mitochondrial respiration complex I-IV. CONCLUSION This study is the first to provide compelling evidences that NOB prevent cellular glucolipid metabolic imbalance and mitochondrial function in a Bmal1-dependent manner. Overall, NOB may serve as a nutritional preventive strategy in recovering metabolic disorders relevant to circadian clock.
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Affiliation(s)
- Guoyuan Qi
- Laboratory of Functional Chemistry and Nutrition of Food, College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Rui Guo
- Laboratory of Functional Chemistry and Nutrition of Food, College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Haoyu Tian
- Laboratory of Functional Chemistry and Nutrition of Food, College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Lixia Li
- Laboratory of Functional Chemistry and Nutrition of Food, College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Hua Liu
- Laboratory of Functional Chemistry and Nutrition of Food, College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Yashi Mi
- Laboratory of Functional Chemistry and Nutrition of Food, College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Xuebo Liu
- Laboratory of Functional Chemistry and Nutrition of Food, College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi 712100, China.
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79
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Udoh US, Valcin JA, Swain TM, Filiano AN, Gamble KL, Young ME, Bailey SM. Genetic deletion of the circadian clock transcription factor BMAL1 and chronic alcohol consumption differentially alter hepatic glycogen in mice. Am J Physiol Gastrointest Liver Physiol 2018; 314:G431-G447. [PMID: 29191941 PMCID: PMC5899240 DOI: 10.1152/ajpgi.00281.2017] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/11/2017] [Revised: 11/27/2017] [Accepted: 11/27/2017] [Indexed: 01/31/2023]
Abstract
Multiple metabolic pathways exhibit time-of-day-dependent rhythms that are controlled by the molecular circadian clock. We have shown that chronic alcohol is capable of altering the molecular clock and diurnal oscillations in several elements of hepatic glycogen metabolism ( 19 , 44 ). Herein, we sought to determine whether genetic disruption of the hepatocyte clock differentially impacts hepatic glycogen content in chronic alcohol-fed mice. Male hepatocyte-specific BMAL1 knockout (HBK) and littermate controls were fed control or alcohol-containing diets for 5 wk to alter hepatic glycogen content. Glycogen displayed a significant diurnal rhythm in livers of control genotype mice fed the control diet. While rhythmic, alcohol significantly altered the diurnal oscillation of glycogen in livers of control genotype mice. The glycogen rhythm was mildly altered in livers of control-fed HBK mice. Importantly, glycogen content was arrhythmic in livers of alcohol-fed HBK mice. Consistent with these changes in hepatic glycogen content, we observed that some glycogen and glucose metabolism genes were differentially altered by chronic alcohol consumption in livers of HBK and littermate control mice. Diurnal rhythms in glycogen synthase (mRNA and protein) were significantly altered by alcohol feeding and clock disruption. Alcohol consumption significantly altered Gck, Glut2, and Ppp1r3g rhythms in livers of control genotype mice, with diurnal rhythms of Pklr, Glut2, Ppp1r3c, and Ppp1r3g further disrupted (dampened or arrhythmic) in livers of HBK mice. Taken together, these findings show that chronic alcohol consumption and hepatocyte clock disruption differentially influence the diurnal rhythm of glycogen and various key glycogen metabolism-related genes in the liver. NEW & NOTEWORTHY We report that circadian clock disruption exacerbates alcohol-mediated alterations in hepatic glycogen. We observed differential responsiveness in diurnal rhythms of glycogen and glycogen metabolism genes and proteins in livers of hepatocyte-specific BMAL1 knockout and littermate control mice fed alcohol. Our findings provide new insights into potential mechanisms by which alcohol alters glycogen, an important energy source for liver and other organs.
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Affiliation(s)
- Uduak S Udoh
- Department of Pathology, Division of Molecular and Cellular Pathology, University of Alabama at Birmingham , Birmingham, Alabama
| | - Jennifer A Valcin
- Department of Pathology, Division of Molecular and Cellular Pathology, University of Alabama at Birmingham , Birmingham, Alabama
| | - Telisha M Swain
- Department of Pathology, Division of Molecular and Cellular Pathology, University of Alabama at Birmingham , Birmingham, Alabama
| | - Ashley N Filiano
- Department of Pathology, Division of Molecular and Cellular Pathology, University of Alabama at Birmingham , Birmingham, Alabama
| | - Karen L Gamble
- Department of Psychiatry, Division of Behavioral Neurobiology, University of Alabama at Birmingham , Birmingham, Alabama
| | - Martin E Young
- Department of Medicine, Division of Cardiovascular Disease, University of Alabama at Birmingham , Birmingham, Alabama
| | - Shannon M Bailey
- Department of Pathology, Division of Molecular and Cellular Pathology, University of Alabama at Birmingham , Birmingham, Alabama
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80
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Torres M, Becquet D, Franc JL, François-Bellan AM. Circadian processes in the RNA life cycle. WILEY INTERDISCIPLINARY REVIEWS-RNA 2018; 9:e1467. [PMID: 29424086 DOI: 10.1002/wrna.1467] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/01/2017] [Revised: 11/24/2017] [Accepted: 12/18/2017] [Indexed: 12/11/2022]
Abstract
The circadian clock drives daily rhythms of multiple physiological processes, allowing organisms to anticipate and adjust to periodic changes in environmental conditions. These physiological rhythms are associated with robust oscillations in the expression of at least 30% of expressed genes. While the ability for the endogenous timekeeping system to generate a 24-hr cycle is a cell-autonomous mechanism based on negative autoregulatory feedback loops of transcription and translation involving core-clock genes and their protein products, it is now increasingly evident that additional mechanisms also govern the circadian oscillations of clock-controlled genes. Such mechanisms can take place post-transcriptionally during the course of the RNA life cycle. It has been shown that many steps during RNA processing are regulated in a circadian manner, thus contributing to circadian gene expression. These steps include mRNA capping, alternative splicing, changes in splicing efficiency, and changes in RNA stability controlled by the tail length of polyadenylation or the use of alternative polyadenylation sites. RNA transport can also follow a circadian pattern, with a circadian nuclear retention driven by rhythmic expression within the nucleus of particular bodies (the paraspeckles) and circadian export to the cytoplasm driven by rhythmic proteins acting like cargo. Finally, RNA degradation may also follow a circadian pattern through the rhythmic involvement of miRNAs. In this review, we summarize the current knowledge of the post-transcriptional circadian mechanisms known to play a prominent role in shaping circadian gene expression in mammals. This article is categorized under: RNA Processing > Splicing Regulation/Alternative Splicing RNA Processing > RNA Editing and Modification RNA Export and Localization > Nuclear Export/Import.
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Affiliation(s)
- Manon Torres
- CNRS, CRN2M-UMR7286, Faculté de Médecine Nord, Aix-Marseille Université, Marseille, France
| | - Denis Becquet
- CNRS, CRN2M-UMR7286, Faculté de Médecine Nord, Aix-Marseille Université, Marseille, France
| | - Jean-Louis Franc
- CNRS, CRN2M-UMR7286, Faculté de Médecine Nord, Aix-Marseille Université, Marseille, France
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81
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Circadian Regulation of Hippocampal-Dependent Memory: Circuits, Synapses, and Molecular Mechanisms. Neural Plast 2018; 2018:7292540. [PMID: 29593785 PMCID: PMC5822921 DOI: 10.1155/2018/7292540] [Citation(s) in RCA: 65] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2017] [Accepted: 12/18/2017] [Indexed: 01/01/2023] Open
Abstract
Circadian modulation of learning and memory efficiency is an evolutionarily conserved phenomenon, occurring in organisms ranging from invertebrates to higher mammalian species, including humans. While the suprachiasmatic nucleus (SCN) of the hypothalamus functions as the master mammalian pacemaker, recent evidence suggests that forebrain regions, including the hippocampus, exhibit oscillatory capacity. This finding, as well as work on the cellular signaling events that underlie learning and memory, has opened promising new avenues of investigation into the precise cellular, molecular, and circuit-based mechanisms by which clock timing impacts plasticity and cognition. In this review, we examine the complex molecular relationship between clock timing and memory, with a focus on hippocampal-dependent tasks. We evaluate how the dysregulation of circadian timing, both at the level of the SCN and at the level of ancillary forebrain clocks, affects learning and memory. Further, we discuss experimentally validated intracellular signaling pathways (e.g., ERK/MAPK and GSK3β) and potential cellular signaling mechanisms by which the clock affects learning and memory formation. Finally, we examine how long-term potentiation (LTP), a synaptic process critical to the establishment of several forms of memory, is regulated by clock-gated processes.
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82
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Zhao J, Zhou X, Tang Q, Yu R, Yu S, Long Y, Cao C, Han J, Shi A, Mao JJ, Chen X, Chen L. BMAL1 Deficiency Contributes to Mandibular Dysplasia by Upregulating MMP3. Stem Cell Reports 2018; 10:180-195. [PMID: 29276151 PMCID: PMC5768965 DOI: 10.1016/j.stemcr.2017.11.017] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2017] [Revised: 11/23/2017] [Accepted: 11/24/2017] [Indexed: 02/06/2023] Open
Abstract
Skeletal mandibular hypoplasia (SMH), one of the common types of craniofacial deformities, seriously affects appearance, chewing, pronunciation, and breathing. Moreover, SMH is prone to inducing obstructive sleep apnea syndrome. We found that brain and muscle ARNT-like 1 (BMAL1), the core component of the molecular circadian oscillator, was significantly decreased in mandibles of juvenile SMH patients. Accordingly, SMH was observed in circadian-rhythm-disrupted or BMAL1-deficient mice. RNA sequencing and protein chip analyses suggested that matrix metallopeptidase 3 (MMP3) is the potential target of BMAL1. Interestingly, in juvenile SMH patients, we observed that MMP3 was obviously increased. Consistently, MMP3 was upregulated during the whole growth period of 3-10 weeks in Bmal1-/- mice. Given these findings, we set out to characterize the underlying mechanism and found BMAL1 deficiency enhanced Mmp3 transcription through activating p65 phosphorylation. Together, our results provide insight into the mechanism by which BMAL1 is implicated in the pathogenesis of SMH.
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Affiliation(s)
- Jiajia Zhao
- Department of Stomatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Xin Zhou
- Department of Stomatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Qingming Tang
- Department of Stomatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Ran Yu
- Department of Stomatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Shaoling Yu
- Department of Stomatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Yanlin Long
- Department of Stomatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Cen Cao
- Department of Stomatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Jun Han
- Department of Stomatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Anbing Shi
- Department of Biochemistry and Molecular Biology, School of Basic Medicine and the Collaborative Innovation Center for Brain Science, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Jeremy J Mao
- Center for Craniofacial Regeneration, College of Dental Medicine, Columbia University Medical Center, New York, NY 10032, USA
| | - Xiong Chen
- Department of Otolaryngology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Lili Chen
- Department of Stomatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China.
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83
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Goni L, Sun D, Heianza Y, Wang T, Huang T, Cuervo M, Martínez JA, Shang X, Bray GA, Sacks FM, Qi L. Macronutrient-specific effect of the MTNR1B genotype on lipid levels in response to 2 year weight-loss diets. J Lipid Res 2018; 59:155-161. [PMID: 29089366 PMCID: PMC5748506 DOI: 10.1194/jlr.p078634] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2017] [Revised: 10/31/2017] [Indexed: 12/18/2022] Open
Abstract
Compelling evidence indicates that lipid metabolism is in partial control of the circadian system. In this context, it has been reported that the melatonin receptor 1B (MTNR1B) genetic variant influences the dynamics of melatonin secretion, which is involved in the circadian system as a chronobiotic. The objective was to analyze whether the MTNR1B rs10830963 genetic variant was related to changes in lipid levels in response to dietary interventions with different macronutrient distribution in 722 overweight/obese subjects from the POUNDS Lost trial. We did not find a significant association between the MTNR1B genotype and changes in lipid metabolism. However, dietary fat intake significantly modified genetic effects on 2 year changes in total and LDL cholesterol (P interaction = 0.006 and 0.001, respectively). In the low-fat diet group, carriers of the sleep disruption G allele (minor allele) showed a greater reduction of total cholesterol (β ± SE = -5.78 ± 2.88 mg/dl, P = 0.04) and LDL cholesterol (β ± SE = -7.19 ± 2.37 mg/dl, P = 0.003). Conversely, in the high-fat diet group, subjects carrying the G allele evidenced a smaller decrease in total cholesterol (β ± SE = 5.81 ± 2.65 mg/dl, P = 0.03) and LDL cholesterol (β ± SE = 5.23 ± 2.21 mg/dl, P = 0.002). Subjects carrying the G allele of the circadian rhythm-related MTNR1B variant may present a bigger impact on total and LDL cholesterol when undertaking an energy-restricted low-fat diet.
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Affiliation(s)
- Leticia Goni
- Department of Nutrition, Food Sciences, and Physiology University of Navarra, Pamplona, Navarra, Spain
- Centre for Nutrition Research, Faculty of Pharmacy and Nutrition, University of Navarra, Pamplona, Navarra, Spain
| | - Dianjianyi Sun
- Department of Epidemiology, School of Public Health and Tropical Medicine, Tulane University, New Orleans, LA
| | - Yoriko Heianza
- Department of Epidemiology, School of Public Health and Tropical Medicine, Tulane University, New Orleans, LA
| | - Tiange Wang
- Department of Epidemiology, School of Public Health and Tropical Medicine, Tulane University, New Orleans, LA
| | - Tao Huang
- Epidemiology Domain, Saw Swee Hock School of Public Health and Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore
| | - Marta Cuervo
- Department of Nutrition, Food Sciences, and Physiology University of Navarra, Pamplona, Navarra, Spain
- Centre for Nutrition Research, Faculty of Pharmacy and Nutrition, University of Navarra, Pamplona, Navarra, Spain
- Biomedical Research Centre Network in Physiopathology of Obesity and Nutrition (CIBERobn), Institute of Health Carlos III, Madrid, Spain
- Navarra Institute for Health Research, Pamplona, Navarra, Spain
| | - J Alfredo Martínez
- Department of Nutrition, Food Sciences, and Physiology University of Navarra, Pamplona, Navarra, Spain
- Centre for Nutrition Research, Faculty of Pharmacy and Nutrition, University of Navarra, Pamplona, Navarra, Spain
- Biomedical Research Centre Network in Physiopathology of Obesity and Nutrition (CIBERobn), Institute of Health Carlos III, Madrid, Spain
- Navarra Institute for Health Research, Pamplona, Navarra, Spain
| | | | - George A Bray
- Pennington Biomedical Research Center, Louisiana State University, Baton Rouge, LA
| | - Frank M Sacks
- Departments of Nutrition Harvard T. H. Chan School of Public Health, Boston, MA
| | - Lu Qi
- Department of Epidemiology, School of Public Health and Tropical Medicine, Tulane University, New Orleans, LA
- Departments of Nutrition Harvard T. H. Chan School of Public Health, Boston, MA
- Epidemiology, Harvard T. H. Chan School of Public Health, Boston, MA
- Channing Laboratory, Brigham and Women's Hospital and Harvard Medical School, Boston, MA
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84
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Roßbach S, Diederichs T, Nöthlings U, Buyken AE, Alexy U. Relevance of chronotype for eating patterns in adolescents. Chronobiol Int 2017; 35:336-347. [DOI: 10.1080/07420528.2017.1406493] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
- Sarah Roßbach
- IEL-Nutritional Epidemiology, DONALD Study, University of Bonn, Dortmund, Germany
| | - Tanja Diederichs
- IEL-Nutritional Epidemiology, DONALD Study, University of Bonn, Dortmund, Germany
- Institute of Nutrition, Consumption and Health, Faculty of Natural Sciences, University Paderborn, Paderborn, Germany
| | - Ute Nöthlings
- IEL-Nutritional Epidemiology, DONALD Study, University of Bonn, Dortmund, Germany
| | - Anette E Buyken
- IEL-Nutritional Epidemiology, DONALD Study, University of Bonn, Dortmund, Germany
- Institute of Nutrition, Consumption and Health, Faculty of Natural Sciences, University Paderborn, Paderborn, Germany
| | - Ute Alexy
- IEL-Nutritional Epidemiology, DONALD Study, University of Bonn, Dortmund, Germany
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85
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Dan W, Yi-Lin L, Guan-Ya L, Rui-Lin H, Yi-Ming Z, Ci-Min L, Zheng R, Lan L, Xin W, Xi-Hong Z, Yu-Long Y. Integrated hepatic transcriptional and serum metabolic studies on circulating nutrient metabolism in diurnal laying hens. Oncotarget 2017; 8:113885-113894. [PMID: 29371954 PMCID: PMC5768371 DOI: 10.18632/oncotarget.23032] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2017] [Accepted: 10/30/2017] [Indexed: 11/25/2022] Open
Abstract
The aim of the study was to see the diurnal variation of nutrients metabolism and their regulation under the management of large-scaled production. The hepatic transcriptional and serum metabolic studies on circulating nutrient metabolism were investigated in diurnal laying hens. Liver and blood were collected from 36 hens that were slaughtered at 3:30, 7:30, 11:30, 15:30, 19:30, and 23:30 (n = 6), respectively. The serum amino acid, fatty acid and glucose levels, as well as the hepatic transcriptome were analyzed. The results revealed that the circadian clock genes such as Bmal1, Clock, Per1, and Cry2 displayed circadian rhythms in hen livers. The genes related to circulating nutrient transportation, lipogenesis, lipid catabolism, sterol metabolism, and oxidative/anti-oxidative systems also oscillated. However, the nadir of glucose was observed at 7:30 and peaked at 11:30 in the day. Amino acid levels peaked mainly at night, and most amino acids exhibited circadian rhythms based on CircWave analysis. With the exception of undecanoic acid (C11:0), myristoleic acid (C14:1), cis-11, 14-eicosenoic acid (C20:2), and (cis-4, 7, 10, 13, 16, 19-docosahexaenoic acid) C20:3N6 fatty acids, others peaked at 7:30 and 15:30. The results indicated that the hens required more glucose in the early morning. More proteins should be ingested late in the day, since protein catabolism occurred mostly at night. To remove the redundant fats and lipids, fewer should be ingested, especially during the night. All these results would help to design a more accurate nutrition schedule for improving the performance of laying hens in the future.
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Affiliation(s)
- Wan Dan
- Key Laboratory of Agro-Ecological Processes in Subtropical Region, Institute of Subtropical Agriculture, The Chinese Academy of Science, National Engineering Laboratory for Pollution Control and Waste Utilization in Livestock and Poultry Production, Hunan Provincial Engineering Research Center of Healthy Livestock, Scientific Observing and Experimental Station of Animal Nutrition and Feed Science in South-Central, Ministry of Agriculture, Changsha, Hunan 410125, China.,School of Food Science and Technology, State Laboratory of Food Science and Technology, Nanchang University, Nanchang, Jiangxi 330047, China
| | - Liu Yi-Lin
- Key Laboratory of Agro-Ecological Processes in Subtropical Region, Institute of Subtropical Agriculture, The Chinese Academy of Science, National Engineering Laboratory for Pollution Control and Waste Utilization in Livestock and Poultry Production, Hunan Provincial Engineering Research Center of Healthy Livestock, Scientific Observing and Experimental Station of Animal Nutrition and Feed Science in South-Central, Ministry of Agriculture, Changsha, Hunan 410125, China.,School of Food Science and Technology, State Laboratory of Food Science and Technology, Nanchang University, Nanchang, Jiangxi 330047, China
| | - Li Guan-Ya
- Key Laboratory of Agro-Ecological Processes in Subtropical Region, Institute of Subtropical Agriculture, The Chinese Academy of Science, National Engineering Laboratory for Pollution Control and Waste Utilization in Livestock and Poultry Production, Hunan Provincial Engineering Research Center of Healthy Livestock, Scientific Observing and Experimental Station of Animal Nutrition and Feed Science in South-Central, Ministry of Agriculture, Changsha, Hunan 410125, China
| | - Huang Rui-Lin
- Key Laboratory of Agro-Ecological Processes in Subtropical Region, Institute of Subtropical Agriculture, The Chinese Academy of Science, National Engineering Laboratory for Pollution Control and Waste Utilization in Livestock and Poultry Production, Hunan Provincial Engineering Research Center of Healthy Livestock, Scientific Observing and Experimental Station of Animal Nutrition and Feed Science in South-Central, Ministry of Agriculture, Changsha, Hunan 410125, China
| | - Zhang Yi-Ming
- Key Laboratory of Agro-Ecological Processes in Subtropical Region, Institute of Subtropical Agriculture, The Chinese Academy of Science, National Engineering Laboratory for Pollution Control and Waste Utilization in Livestock and Poultry Production, Hunan Provincial Engineering Research Center of Healthy Livestock, Scientific Observing and Experimental Station of Animal Nutrition and Feed Science in South-Central, Ministry of Agriculture, Changsha, Hunan 410125, China.,Animal Nutrition and Human Health Laboratory, School of Life Sciences, Hunan Normal University, Changsha, Hunan 410125, China
| | - Long Ci-Min
- Key Laboratory of Agro-Ecological Processes in Subtropical Region, Institute of Subtropical Agriculture, The Chinese Academy of Science, National Engineering Laboratory for Pollution Control and Waste Utilization in Livestock and Poultry Production, Hunan Provincial Engineering Research Center of Healthy Livestock, Scientific Observing and Experimental Station of Animal Nutrition and Feed Science in South-Central, Ministry of Agriculture, Changsha, Hunan 410125, China
| | - Ruan Zheng
- School of Food Science and Technology, State Laboratory of Food Science and Technology, Nanchang University, Nanchang, Jiangxi 330047, China
| | - Li Lan
- Key Laboratory of Agro-Ecological Processes in Subtropical Region, Institute of Subtropical Agriculture, The Chinese Academy of Science, National Engineering Laboratory for Pollution Control and Waste Utilization in Livestock and Poultry Production, Hunan Provincial Engineering Research Center of Healthy Livestock, Scientific Observing and Experimental Station of Animal Nutrition and Feed Science in South-Central, Ministry of Agriculture, Changsha, Hunan 410125, China
| | - Wu Xin
- Key Laboratory of Agro-Ecological Processes in Subtropical Region, Institute of Subtropical Agriculture, The Chinese Academy of Science, National Engineering Laboratory for Pollution Control and Waste Utilization in Livestock and Poultry Production, Hunan Provincial Engineering Research Center of Healthy Livestock, Scientific Observing and Experimental Station of Animal Nutrition and Feed Science in South-Central, Ministry of Agriculture, Changsha, Hunan 410125, China.,School of Food Science and Technology, State Laboratory of Food Science and Technology, Nanchang University, Nanchang, Jiangxi 330047, China
| | - Zhou Xi-Hong
- Key Laboratory of Agro-Ecological Processes in Subtropical Region, Institute of Subtropical Agriculture, The Chinese Academy of Science, National Engineering Laboratory for Pollution Control and Waste Utilization in Livestock and Poultry Production, Hunan Provincial Engineering Research Center of Healthy Livestock, Scientific Observing and Experimental Station of Animal Nutrition and Feed Science in South-Central, Ministry of Agriculture, Changsha, Hunan 410125, China
| | - Yin Yu-Long
- Key Laboratory of Agro-Ecological Processes in Subtropical Region, Institute of Subtropical Agriculture, The Chinese Academy of Science, National Engineering Laboratory for Pollution Control and Waste Utilization in Livestock and Poultry Production, Hunan Provincial Engineering Research Center of Healthy Livestock, Scientific Observing and Experimental Station of Animal Nutrition and Feed Science in South-Central, Ministry of Agriculture, Changsha, Hunan 410125, China.,School of Food Science and Technology, State Laboratory of Food Science and Technology, Nanchang University, Nanchang, Jiangxi 330047, China.,Animal Nutrition and Human Health Laboratory, School of Life Sciences, Hunan Normal University, Changsha, Hunan 410125, China
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86
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Mi Y, Qi G, Gao Y, Li R, Wang Y, Li X, Huang S, Liu X. (-)-Epigallocatechin-3-gallate Ameliorates Insulin Resistance and Mitochondrial Dysfunction in HepG2 Cells: Involvement of Bmal1. Mol Nutr Food Res 2017; 61. [PMID: 28869341 DOI: 10.1002/mnfr.201700440] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2017] [Revised: 08/18/2017] [Indexed: 12/16/2022]
Abstract
SCOPE Normal physiological processes require a robust biological timer called the circadian clock. Dysregulation of circadian rhythms contributes to a variety of metabolic syndrome, including obesity and insulin resistance. (-)-Epigallocatechin-3-gallate (EGCG) has been demonstrated to possess antioxidant, anti-inflammatory, and cardioprotective bioactivities. The objective of this study was to explore whether the circadian clock is involved in the protective effect of EGCG against insulin resistance. METHODS AND RESULTS The results demonstrated that EGCG reverses the relatively shallow daily oscillations of circadian clock genes transcription and protein expression induced by glucosamine in HepG2 cells. EGCG also alleviates insulin resistance by enhancing tyrosine phosphorylated levels of IRS-1, stimulating the translocation of GLUT2, and activating PI3K/AKT as well as AMPK signaling pathways in a Bmal1-dependent manner both in HepG2 cells and primary hepatocytes. Glucosamine-stimulated excessive secretions of ROS and depletions of mitochondrial membrane potential were notably attenuated in EGCG co-treated HepG2 cells, which consistent with the recovery in expression of mitochondrial respiration complexes. CONCLUSION The results demonstrated that EGCG possesses a Bmal1-dependent efficacy against insulin resistance conditions by strengthening the insulin signaling and eliminating oxidative stress, suggesting that EGCG may serve as a promising natural nutraceutical for the regulation of metabolic disorders relevant to circadian clocks.
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Affiliation(s)
- Yashi Mi
- Laboratory of Functional Chemistry and Nutrition of Food, College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi, China
| | - Guoyuan Qi
- Laboratory of Functional Chemistry and Nutrition of Food, College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi, China
| | - Yuqi Gao
- Laboratory of Functional Chemistry and Nutrition of Food, College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi, China
| | - Runnan Li
- Laboratory of Functional Chemistry and Nutrition of Food, College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi, China
| | - Yiwen Wang
- Laboratory of Functional Chemistry and Nutrition of Food, College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi, China
| | - Xingyu Li
- Laboratory of Functional Chemistry and Nutrition of Food, College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi, China
| | - Shuxian Huang
- Laboratory of Functional Chemistry and Nutrition of Food, College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi, China
| | - Xuebo Liu
- Laboratory of Functional Chemistry and Nutrition of Food, College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi, China
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87
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Crew RC, Waddell BJ, Mark PJ. Obesity-induced changes in hepatic and placental clock gene networks in rat pregnancy†. Biol Reprod 2017; 98:75-88. [DOI: 10.1093/biolre/iox158] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2017] [Accepted: 11/24/2017] [Indexed: 12/13/2022] Open
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88
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Freese J, Klement RJ, Ruiz-Núñez B, Schwarz S, Lötzerich H. The sedentary (r)evolution: Have we lost our metabolic flexibility? F1000Res 2017; 6:1787. [PMID: 29225776 DOI: 10.12688/f1000research.12724.1] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 09/25/2017] [Indexed: 12/19/2022] Open
Abstract
During the course of evolution, up until the agricultural revolution, environmental fluctuations forced the human species to develop a flexible metabolism in order to adapt its energy needs to various climate, seasonal and vegetation conditions. Metabolic flexibility safeguarded human survival independent of food availability. In modern times, humans switched their primal lifestyle towards a constant availability of energy-dense, yet often nutrient-deficient, foods, persistent psycho-emotional stressors and a lack of exercise. As a result, humans progressively gain metabolic disorders, such as the metabolic syndrome, type 2 diabetes, non-alcoholic fatty liver disease, certain types of cancer, cardiovascular disease and Alzheimer´s disease, wherever the sedentary lifestyle spreads in the world. For more than 2.5 million years, our capability to store fat for times of food shortage was an outstanding survival advantage. Nowadays, the same survival strategy in a completely altered surrounding is responsible for a constant accumulation of body fat. In this article, we argue that the metabolic disease epidemic is largely based on a deficit in metabolic flexibility. We hypothesize that the modern energetic inflexibility, typically displayed by symptoms of neuroglycopenia, can be reversed by re-cultivating suppressed metabolic programs, which became obsolete in an affluent environment, particularly the ability to easily switch to ketone body and fat oxidation. In a simplified model, the basic metabolic programs of humans' primal hunter-gatherer lifestyle are opposed to the current sedentary lifestyle. Those metabolic programs, which are chronically neglected in modern surroundings, are identified and conclusions for the prevention of chronic metabolic diseases are drawn.
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Affiliation(s)
- Jens Freese
- Institute of Outdoor Sports and Environmental Science, German Sports University Cologne, Cologne, 50933, Germany
| | - Rainer Johannes Klement
- Department of Radiotherapy and Radiation Oncology, Leopoldina Hospital Schweinfurt, Schweinfurt, 97422, Germany
| | - Begoña Ruiz-Núñez
- Laboratory Medicine, University of Groningen, University Medical Center Groningen, Groningen, 9713, Netherlands
| | - Sebastian Schwarz
- University College Physiotherapy Thim van der Laan,, Landquart, 7302, Switzerland
| | - Helmut Lötzerich
- Institute of Outdoor Sports and Environmental Science, German Sports University Cologne, Cologne, 50933, Germany
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89
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Freese J, Klement RJ, Ruiz-Núñez B, Schwarz S, Lötzerich H. The sedentary (r)evolution: Have we lost our metabolic flexibility? F1000Res 2017; 6:1787. [PMID: 29225776 PMCID: PMC5710317 DOI: 10.12688/f1000research.12724.2] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 01/29/2018] [Indexed: 12/18/2022] Open
Abstract
During the course of evolution, up until the agricultural revolution, environmental fluctuations forced the human species to develop a flexible metabolism in order to adapt its energy needs to various climate, seasonal and vegetation conditions. Metabolic flexibility safeguarded human survival independent of food availability. In modern times, humans switched their primal lifestyle towards a constant availability of energy-dense, yet often nutrient-deficient, foods, persistent psycho-emotional stressors and a lack of exercise. As a result, humans progressively gain metabolic disorders, such as the metabolic syndrome, type 2 diabetes, non-alcoholic fatty liver disease, certain types of cancer, cardiovascular disease and Alzheimer´s disease, wherever the sedentary lifestyle spreads in the world. For more than 2.5 million years, our capability to store fat for times of food shortage was an outstanding survival advantage. Nowadays, the same survival strategy in a completely altered surrounding is responsible for a constant accumulation of body fat. In this article, we argue that the metabolic disease epidemic is largely based on a deficit in metabolic flexibility. We hypothesize that the modern energetic inflexibility, typically displayed by symptoms of neuroglycopenia, can be reversed by re-cultivating suppressed metabolic programs, which became obsolete in an affluent environment, particularly the ability to easily switch to ketone body and fat oxidation. In a simplified model, the basic metabolic programs of humans’ primal hunter-gatherer lifestyle are opposed to the current sedentary lifestyle. Those metabolic programs, which are chronically neglected in modern surroundings, are identified and conclusions for the prevention of chronic metabolic diseases are drawn.
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Affiliation(s)
- Jens Freese
- Institute of Outdoor Sports and Environmental Science, German Sports University Cologne, Cologne, 50933, Germany
| | - Rainer Johannes Klement
- Department of Radiotherapy and Radiation Oncology, Leopoldina Hospital Schweinfurt, Schweinfurt, 97422, Germany
| | - Begoña Ruiz-Núñez
- Laboratory Medicine, University of Groningen, University Medical Center Groningen, Groningen, 9713, Netherlands
| | - Sebastian Schwarz
- University College Physiotherapy Thim van der Laan,, Landquart, 7302, Switzerland
| | - Helmut Lötzerich
- Institute of Outdoor Sports and Environmental Science, German Sports University Cologne, Cologne, 50933, Germany
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90
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Wang D, Opperhuizen AL, Reznick J, Turner N, Su Y, Cooney GJ, Kalsbeek A. Effects of feeding time on daily rhythms of neuropeptide and clock gene expression in the rat hypothalamus. Brain Res 2017; 1671:93-101. [DOI: 10.1016/j.brainres.2017.07.006] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2017] [Revised: 06/09/2017] [Accepted: 07/10/2017] [Indexed: 01/18/2023]
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91
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The novel heme-dependent inducible protein, SRRD regulates heme biosynthesis and circadian rhythms. Arch Biochem Biophys 2017; 631:19-29. [PMID: 28802827 DOI: 10.1016/j.abb.2017.08.006] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2017] [Revised: 07/24/2017] [Accepted: 08/07/2017] [Indexed: 12/17/2022]
Abstract
Heme plays a role in the regulation of the expression of genes related to circadian rhythms and heme metabolism. In order to identify new heme-regulated proteins, an RNA sequence analysis using mouse NIH3T3 cells treated without or with 5-aminolevulinic acid (ALA) was performed. Among the changes observed in the levels of various mRNAs including heme oxygenase-1 (HO-1) and ALA synthase-1 (ALAS1), a mouse homologue of the plant circadian-regulating protein SRR1, SRR1 domain containing (SRRD) was induced by the ALA treatment. The expression of SRRD was dependent on heme biosynthesis, and increased the production of heme. SRRD was expressed under circadian rhythms, and influenced the expression of clock genes including PER2, BMAL1, and CLOCK. The knockout of SRRD arrested the growth of cells, indicating that SRRD plays roles in heme-regulated circadian rhythms and cell proliferation.
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92
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Mi Y, Qi G, Fan R, Qiao Q, Sun Y, Gao Y, Liu X. EGCG ameliorates high‐fat– and high‐fructose‐induced cognitive defects by regulating the IRS/AKT and ERK/CREB/BDNF signaling pathways in the CNS. FASEB J 2017; 31:4998-5011. [DOI: 10.1096/fj.201700400rr] [Citation(s) in RCA: 85] [Impact Index Per Article: 12.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2017] [Accepted: 07/10/2017] [Indexed: 02/06/2023]
Affiliation(s)
- Yashi Mi
- Laboratory of Functional Chemistry and Nutrition of FoodCollege of Food Science and EngineeringNorthwest A&F UniversityYanglingChina
| | - Guoyuan Qi
- Laboratory of Functional Chemistry and Nutrition of FoodCollege of Food Science and EngineeringNorthwest A&F UniversityYanglingChina
| | - Rong Fan
- Laboratory of Functional Chemistry and Nutrition of FoodCollege of Food Science and EngineeringNorthwest A&F UniversityYanglingChina
| | - Qinglian Qiao
- Laboratory of Functional Chemistry and Nutrition of FoodCollege of Food Science and EngineeringNorthwest A&F UniversityYanglingChina
| | - Yali Sun
- Laboratory of Functional Chemistry and Nutrition of FoodCollege of Food Science and EngineeringNorthwest A&F UniversityYanglingChina
| | - Yuqi Gao
- Laboratory of Functional Chemistry and Nutrition of FoodCollege of Food Science and EngineeringNorthwest A&F UniversityYanglingChina
| | - Xuebo Liu
- Laboratory of Functional Chemistry and Nutrition of FoodCollege of Food Science and EngineeringNorthwest A&F UniversityYanglingChina
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93
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Ramsden DB, Waring RH, Barlow DJ, Parsons RB. Nicotinamide N-Methyltransferase in Health and Cancer. Int J Tryptophan Res 2017; 10:1178646917691739. [PMID: 35185340 PMCID: PMC8851132 DOI: 10.1177/1178646917691739] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2016] [Accepted: 01/11/2017] [Indexed: 12/19/2022] Open
Abstract
Over the past decade, the roles of nicotinamide N-methyltransferase and its product 1-methyl nicotinamide have emerged from playing merely minor roles in phase 2 xenobiotic metabolism as actors in some of the most important scenes of human life. In this review, the structures of the gene, messenger RNA, and protein are discussed, together with the role of the enzyme in many of the common cancers that afflict people today.
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Affiliation(s)
- David B Ramsden
- Institute of Metabolism and Systems Research, The Medical School, University of Birmingham, Birmingham, UK
| | | | - David J Barlow
- Institute of Pharmaceutical Science, King’s College London, London, UK
| | - Richard B Parsons
- Institute of Pharmaceutical Science, King’s College London, London, UK
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94
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Diederichs T, Herder C, Roßbach S, Roden M, Wudy SA, Nöthlings U, Alexy U, Buyken AE. Carbohydrates from Sources with a Higher Glycemic Index during Adolescence: Is Evening Rather than Morning Intake Relevant for Risk Markers of Type 2 Diabetes in Young Adulthood? Nutrients 2017; 9:nu9060591. [PMID: 28604592 PMCID: PMC5490570 DOI: 10.3390/nu9060591] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2017] [Revised: 06/02/2017] [Accepted: 06/07/2017] [Indexed: 12/19/2022] Open
Abstract
Background: This study investigated whether glycemic index (GI) or glycemic load (GL) of morning or evening intake and morning or evening carbohydrate intake from low- or higher-GI food sources (low-GI-CHO, higher-GI-CHO) during adolescence are relevant for risk markers of type 2 diabetes in young adulthood. Methods: Analyses included DOrtmund Nutritional and Anthropometric Longitudinally Designed (DONALD) study participants who had provided at least two 3-day weighed dietary records (median: 7 records) during adolescence and one blood sample in young adulthood. Using multivariable linear regression analyses, estimated morning and evening GI, GL, low-GI-CHO (GI < 55) and higher-GI-CHO (GI ≥ 55) were related to insulin sensitivity (N = 252), hepatic steatosis index (HSI), fatty liver index (FLI) (both N = 253), and a pro-inflammatory-score (N = 249). Results: Morning intakes during adolescence were not associated with any of the adult risk markers. A higher evening GI during adolescence was related to an increased HSI in young adulthood (p = 0.003). A higher consumption of higher-GI-CHO in the evening was associated with lower insulin sensitivity (p = 0.046) and an increased HSI (p = 0.006), while a higher evening intake of low-GI-CHO was related to a lower HSI (p = 0.009). Evening intakes were not related to FLI or the pro-inflammatory-score (all p > 0.1). Conclusion: Avoidance of large amounts of carbohydrates from higher-GI sources in the evening should be considered in preventive strategies to reduce the risk of type 2 diabetes in adulthood.
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Affiliation(s)
- Tanja Diederichs
- IEL-Nutritional Epidemiology, DONALD Study, Rheinische Friedrich-Wilhelms-University Bonn, Heinstueck 11, 44225 Dortmund, Germany.
| | - Christian Herder
- Institute for Clinical Diabetology, German Diabetes Center, Leibniz Center for Diabetes Research at Heinrich Heine University Düsseldorf, Düsseldorf, Auf'm Hennekamp 65, 40225 Düsseldorf, Germany.
- German Center for Diabetes Research (DZD), Ingolstädter Landstr. 1, 85764 München-Neuherberg, Germany.
| | - Sarah Roßbach
- IEL-Nutritional Epidemiology, DONALD Study, Rheinische Friedrich-Wilhelms-University Bonn, Heinstueck 11, 44225 Dortmund, Germany.
| | - Michael Roden
- Institute for Clinical Diabetology, German Diabetes Center, Leibniz Center for Diabetes Research at Heinrich Heine University Düsseldorf, Düsseldorf, Auf'm Hennekamp 65, 40225 Düsseldorf, Germany.
- German Center for Diabetes Research (DZD), Ingolstädter Landstr. 1, 85764 München-Neuherberg, Germany.
- Department of Endocrinology and Diabetology, Medical Faculty, Heinrich Heine University Düsseldorf, Moorenstraße 5, 40225 Düsseldorf, Germany.
| | - Stefan A Wudy
- Pediatric Endocrinology and Diabetology, Laboratory for Translational Hormone Analytics, Peptide Hormone Research Unit, Center of Child and Adolescent Medicine, Justus Liebig University Giessen, Feulgenstraße 10-12, 35392 Gießen, Germany.
| | - Ute Nöthlings
- IEL-Nutritional Epidemiology, DONALD Study, Rheinische Friedrich-Wilhelms-University Bonn, Heinstueck 11, 44225 Dortmund, Germany.
| | - Ute Alexy
- IEL-Nutritional Epidemiology, DONALD Study, Rheinische Friedrich-Wilhelms-University Bonn, Heinstueck 11, 44225 Dortmund, Germany.
| | - Anette E Buyken
- IEL-Nutritional Epidemiology, DONALD Study, Rheinische Friedrich-Wilhelms-University Bonn, Heinstueck 11, 44225 Dortmund, Germany.
- Institute of Nutrition, Consumption and Health, Faculty of Natural Sciences, University Paderborn, Warburger Straße 100, 33098 Paderborn, Germany.
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95
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Francois A, Bombail V, Jarriault D, Acquistapace A, Grebert D, Grosmaitre X, Meunier N. Daily oscillation of odorant detection in rat olfactory epithelium. Eur J Neurosci 2017; 45:1613-1622. [PMID: 28452078 DOI: 10.1111/ejn.13600] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2016] [Revised: 04/20/2017] [Accepted: 04/21/2017] [Indexed: 11/28/2022]
Abstract
Most of biological variables follow a daily rhythm. It holds true as well for sensory capacities as two decades of research have demonstrated that the odorant induced activity in the olfactory bulbs oscillates during the day. Olfactory bulbs are the first central nervous system structures, which receive inputs from the olfactory neurons located in the nose olfactory epithelium in vertebrates. So far, data on variation in odorant detection in the olfactory epithelium throughout the day are missing. Using electroolfactogram recordings in rats housed under daily light and dark cycles, we found that the olfactory epithelium responsiveness varies during the day with a maximum in the beginning of the light phase. This fluctuation was consistent with cycling of transduction pathway gene expression in the olfactory epithelium examined by qPCR. It was also consistent with the levels of two transduction pathway proteins (olfactory-type G protein and adenylyl cyclase III) examined by western blot. Daily variations were also observed at the level of olfactory sensory neurons responses recorded by patch-clamp. To rule out a potential effect of the feeding status of the animal, we examined the variation in odorant response in starved animals during the day. We observed a similar pattern to ad libidum fed animals. Taken together, our results reveal that the olfactory epithelium sensitivity varies during the day in part due to modulation of the very first step of odorant detection.
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Affiliation(s)
- Adrien Francois
- INRA, UR1197 NeuroBiologie de l'Olfaction, F-78350, Jouy-en-Josas, France.,NBO, UVSQ, INRA, Université Paris-Saclay, Jouy-en-Josas, France
| | - Vincent Bombail
- INRA, UR1197 NeuroBiologie de l'Olfaction, F-78350, Jouy-en-Josas, France
| | - David Jarriault
- Centre des Sciences du Goût et de l'Alimentation, CNRS, INRA, Univ. Bourgogne Franche-Comté, Dijon, France
| | | | - Denise Grebert
- INRA, UR1197 NeuroBiologie de l'Olfaction, F-78350, Jouy-en-Josas, France
| | - Xavier Grosmaitre
- Centre des Sciences du Goût et de l'Alimentation, CNRS, INRA, Univ. Bourgogne Franche-Comté, Dijon, France
| | - Nicolas Meunier
- INRA, UR1197 NeuroBiologie de l'Olfaction, F-78350, Jouy-en-Josas, France.,NBO, UVSQ, INRA, Université Paris-Saclay, Jouy-en-Josas, France
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96
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Sun Y, Jin L, Sui YX, Han LL, Liu JH. Circadian Gene CLOCK Affects Drug-Resistant Gene Expression and Cell Proliferation in Ovarian Cancer SKOV3/DDP Cell Lines Through Autophagy. Cancer Biother Radiopharm 2017; 32:139-146. [PMID: 28514207 DOI: 10.1089/cbr.2016.2153] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023] Open
Affiliation(s)
- Yang Sun
- Department of Gynecology, Fujian Provincial Hospital, Fujian Provincial Clinical Medical College, Fujian Medical University, Fuzhou, Fujian, China
| | - Long Jin
- Department of Pathology, Fujian Provincial Hospital, Fujian Provincial Clinical Medical College, Fujian Medical University, Fuzhou, Fujian, China
| | - Yu-xia Sui
- Department of Pharmacy, Fujian Provincial Hospital, Fujian Provincial Clinical Medical College, Fujian Medical University, Fuzhou, Fujian, China
| | - Li-li Han
- Fujian Provincial Key Laboratory of Cardiovascular Disease, Fujian Provincial Hospital, Fujian Medical University, Fuzhou, Fujian, China
| | - Jia-hua Liu
- Department of Gynecology, Fujian Provincial Hospital, Fujian Provincial Clinical Medical College, Fujian Medical University, Fuzhou, Fujian, China
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97
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Xiao Q, Derkach A, Moore SC, Zheng W, Shu XO, Gu F, Caporaso NE, Sampson JN, Matthews CE. Habitual Sleep and human plasma metabolomics. Metabolomics 2017; 13:63. [PMID: 29657561 PMCID: PMC5897041 DOI: 10.1007/s11306-017-1205-z] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
INTRODUCTION Sleep plays an important role in cardiometabolic health. The sleep-wake cycle is partially driven by the endogenous circadian clock, which governs a range of metabolic pathways. The association between sleep and cardiometabolic health may be mediated by alterations of the human metabolome. OBJECTIVES To better understand the biological mechanism underlying the association between sleep and health, we examined human plasma metabolites in relation to sleep duration and sleep timing. METHODS Using an untargeted approach, 329 fasting plasma metabolites were measured in 277 Chinese participants. We measured sleep timing (midpoint between bedtime and wake up time) using repeated time-use surveys (4 weeks during one year) and previous night sleep duration from questionnaires completed before sample donation. RESULTS We found 64 metabolites that were associated with sleep timing with a false discovery rate of 0.2 or lower, after adjusting for potential confounders. Notably, we found that later sleep timing was associated with higher levels of multiple metabolites in amino acid metabolism, including branched chain amino acids and their gamma-glutamyl dipeptides. We also found widespread associations between sleep timing and numerous metabolites in lipid metabolism, including bile acids, carnitines and fatty acids. In contrast, previous night sleep duration was not associated with plasma metabolites in our study. CONCLUSION Sleep timing was associated with a large number of metabolites across a variety of biochemical pathways. Some metabolite associations are consistent with a relationship between late chronotype and adverse effects on cardiometabolic health.
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Affiliation(s)
- Qian Xiao
- Department of Health and Human Physiology, University of Iowa, Iowa City, IA, USA
- Correspondence: Qian Xiao, PhD, Department of Health and Human Physiology, University of Iowa, Iowa City, IA, USA (; phone: 319-335-9348)
| | - Andriy Derkach
- Biostatistics Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute, National Institutes of Health, Rockville, MD, USA
| | - Steven C Moore
- Nutritional Epidemiology Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute, National Institutes of Health, Rockville, MD, USA
| | - Wei Zheng
- Division of Epidemiology, Department of Medicine, Vanderbilt Epidemiology Center, and Vanderbilt-Ingram Cancer Center, Vanderbilt University School of Medicine, Nashville, TN, USA
| | - Xiao-Ou Shu
- Division of Epidemiology, Department of Medicine, Vanderbilt Epidemiology Center, and Vanderbilt-Ingram Cancer Center, Vanderbilt University School of Medicine, Nashville, TN, USA
| | - Fangyi Gu
- Genetic Epidemiology Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute, National Institutes of Health, Rockville, MD, USA
| | - Neil E Caporaso
- Genetic Epidemiology Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute, National Institutes of Health, Rockville, MD, USA
| | - Joshua N Sampson
- Biostatistics Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute, National Institutes of Health, Rockville, MD, USA
| | - Charles E Matthews
- Nutritional Epidemiology Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute, National Institutes of Health, Rockville, MD, USA
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98
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Deota S, Shukla N, Kolthur-Seetharam U. Spatio-Temporal Control of Cellular and Organismal Physiology by Sirtuins. J Indian Inst Sci 2017. [DOI: 10.1007/s41745-016-0018-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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99
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Honda K, Kondo M, Hiramoto D, Saneyasu T, Kamisoyama H. Effects of continuous white light and 12h white-12h blue light-cycles on the expression of clock genes in diencephalon, liver, and skeletal muscle in chicks. Comp Biochem Physiol A Mol Integr Physiol 2017; 207:73-78. [PMID: 28238833 DOI: 10.1016/j.cbpa.2017.02.019] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2017] [Revised: 01/29/2017] [Accepted: 02/19/2017] [Indexed: 11/27/2022]
Abstract
The core circadian clock mechanism relies on a feedback loop comprised of clock genes, such as the brain and muscle Arnt-like 1 (Bmal1), chriptochrome 1 (Cry1), and period 3 (Per3). Exposure to the light-dark cycle synchronizes the master circadian clock in the brain, and which then synchronizes circadian clocks in peripheral tissues. Birds have long been used as a model for the investigation of circadian rhythm in human neurobiology. In the present study, we examined the effects of continuous light and the combination of white and blue light on the expression of clock genes (Bmal1, Cry1, and Per3) in the central and peripheral tissues in chicks. Seventy two day-old male chicks were weighed, allocated to three groups and maintained under three light schedules: 12h white light-12h dark-cycles group (control); 24h white light group (WW group); 12h white light-12h blue light-cycles group (WB group). The mRNA levels of clock genes in the diencephalon were significantly different between the control and WW groups. On the other hand, the alteration in the mRNA levels of clock genes was similar between the control and WB groups. Similar phenomena were observed in the liver and skeletal muscle (biceps femoris). These results suggest that 12h white-12h blue light-cycles did not disrupt the circadian rhythm of clock gene expression in chicks.
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Affiliation(s)
- Kazuhisa Honda
- Graduate School of Agricultural Science, Kobe University, Kobe 657-8501, Japan.
| | - Makoto Kondo
- Graduate School of Agricultural Science, Kobe University, Kobe 657-8501, Japan
| | - Daichi Hiramoto
- Graduate School of Agricultural Science, Kobe University, Kobe 657-8501, Japan
| | - Takaoki Saneyasu
- Graduate School of Agricultural Science, Kobe University, Kobe 657-8501, Japan
| | - Hiroshi Kamisoyama
- Graduate School of Agricultural Science, Kobe University, Kobe 657-8501, Japan
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100
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Kim Y, Santos R, Gage FH, Marchetto MC. Molecular Mechanisms of Bipolar Disorder: Progress Made and Future Challenges. Front Cell Neurosci 2017; 11:30. [PMID: 28261061 PMCID: PMC5306135 DOI: 10.3389/fncel.2017.00030] [Citation(s) in RCA: 57] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2016] [Accepted: 02/01/2017] [Indexed: 12/15/2022] Open
Abstract
Bipolar disorder (BD) is a chronic and progressive psychiatric illness characterized by mood oscillations, with episodes of mania and depression. The impact of BD on patients can be devastating, with up to 15% of patients committing suicide. This disorder is associated with psychiatric and medical comorbidities and patients with a high risk of drug abuse, metabolic and endocrine disorders and vascular disease. Current knowledge of the pathophysiology and molecular mechanisms causing BD is still modest. With no clear biological markers available, early diagnosis is a great challenge to clinicians without previous knowledge of the longitudinal progress of illness. Moreover, despite recommendations from evidence-based guidelines, polypharmacy is still common in clinical treatment of BD, reflecting the gap between research and clinical practice. A major challenge in BD is the development of effective drugs with low toxicity for the patients. In this review article, we focus on the progress made and future challenges we face in determining the pathophysiology and molecular pathways involved in BD, such as circadian and metabolic perturbations, mitochondrial and endoplasmic reticulum (ER) dysfunction, autophagy and glutamatergic neurotransmission; which may lead to the development of new drugs.
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Affiliation(s)
- Yeni Kim
- Laboratory of Genetics, The Salk Institute for Biological StudiesLa Jolla, CA, USA; Department of Child and Adolescent Psychiatry, National Center for Mental HealthSeoul, South Korea
| | - Renata Santos
- Laboratory of Genetics, The Salk Institute for Biological StudiesLa Jolla, CA, USA; Ecole Normale Supérieure, PSL Research University, Centre National de la Recherche Scientifique (CNRS), Institut National de la Santé et de la Recherche Médicale (INSERM), Institut de Biologie de l'Ecole Normale Supérieure (IBENS)Paris, France
| | - Fred H Gage
- Laboratory of Genetics, The Salk Institute for Biological Studies La Jolla, CA, USA
| | - Maria C Marchetto
- Laboratory of Genetics, The Salk Institute for Biological Studies La Jolla, CA, USA
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