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Singh B, Huang D. The Role of Circadian Rhythms in Stroke: A Narrative Review. Neurochem Res 2024; 49:290-305. [PMID: 37838637 DOI: 10.1007/s11064-023-04040-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2023] [Revised: 09/12/2023] [Accepted: 09/24/2023] [Indexed: 10/16/2023]
Abstract
Stroke, a debilitating condition often leading to long-term disability, poses a substantial global concern and formidable challenge. The increasing incidence of stroke has drawn the attention of medical researchers and neurologists worldwide. Circadian rhythms have emerged as pivotal factors influencing stroke's onset, pathogenesis, treatment, and outcomes. To gain deeper insights into stroke, it is imperative to explore the intricate connection between circadian rhythms and stroke, spanning from molecular mechanisms to pathophysiological processes. Despite existing studies linking circadian rhythm to stroke onset, there remains a paucity of comprehensive reviews exploring its role in pathogenesis, treatment, and prognosis. This review undertakes a narrative analysis of studies investigating the relationship between circadian variation and stroke onset. It delves into the roles of various physiological factors, including blood pressure, coagulation profiles, blood cells, catecholamines, cortisol, and the timing of antihypertensive medication, which contribute to variations in circadian-related stroke risk. At a molecular level, the review elucidates the involvement of melatonin, circadian genes, and glial cells in the pathophysiology. Furthermore, it provides insights into the diverse factors influencing stroke treatment and outcomes within the context of circadian variation. The review underscores the importance of considering circadian rhythms when determining the timing of stroke interventions, emphasizing the necessity for personalized stroke management strategies that incorporate circadian rhythms. It offers valuable insights into potential molecular targets and highlights areas that require further exploration to enhance our understanding of the underlying pathophysiology. In comparison to the published literature, this manuscript distinguishes itself through its coverage of circadian rhythms' impact on stroke across the entire clinical spectrum. It presents a unique synthesis of epidemiological, clinical, molecular, and cellular evidence, underscoring their collective significance.
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Affiliation(s)
- Bivek Singh
- Department of Neurology, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, China.
- Department of Medicine, National Cardiac Centre, Basundhara, Kathmandu, , Bagmati Province, Nepal.
| | - Dongya Huang
- Department of Neurology, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, China
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2
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Fondevila MF, Schnabl B. Intestinal clock modulates rhythmic hepatic metabolism. J Hepatol 2023; 79:589-591. [PMID: 37290589 DOI: 10.1016/j.jhep.2023.05.021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/14/2023] [Accepted: 05/15/2023] [Indexed: 06/10/2023]
Affiliation(s)
- Marcos F Fondevila
- Department of Medicine, University of California San Diego, La Jolla, CA, USA
| | - Bernd Schnabl
- Department of Medicine, University of California San Diego, La Jolla, CA, USA; Department of Medicine, VA San Diego Healthcare System, San Diego, CA, USA.
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Chen M, Lin Y, Dang Y, Xiao Y, Zhang F, Sun G, Jiang X, Zhang L, Du J, Duan S, Zhang X, Qin Z, Yang J, Liu K, Wu B. Reprogramming of rhythmic liver metabolism by intestinal clock. J Hepatol 2023; 79:741-757. [PMID: 37230230 DOI: 10.1016/j.jhep.2023.04.040] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/20/2022] [Revised: 04/10/2023] [Accepted: 04/27/2023] [Indexed: 05/27/2023]
Abstract
BACKGROUND & AIMS Temporal oscillations in intestinal nutrient processing and absorption are coordinated by the local clock, which leads to the hypothesis that the intestinal clock has major impacts on shaping peripheral rhythms via diurnal nutritional signals. Here, we investigate the role of the intestinal clock in controlling liver rhythmicity and metabolism. METHODS Transcriptomic analysis, metabolomics, metabolic assays, histology, quantitative (q)PCR, and immunoblotting were performed with Bmal1-intestine-specific knockout (iKO), Rev-erba-iKO, and control mice. RESULTS Bmal1 iKO caused large-scale reprogramming of the rhythmic transcriptome of mouse liver with a limited effect on its clock. In the absence of intestinal Bmal1, the liver clock was resistant to entrainment by inverted feeding and a high-fat diet. Importantly, Bmal1 iKO remodelled diurnal hepatic metabolism by shifting to gluconeogenesis from lipogenesis during the dark phase, leading to elevated glucose production (hyperglycaemia) and insulin insensitivity. Conversely, Rev-erba iKO caused a diversion to lipogenesis from gluconeogenesis during the light phase, resulting in enhanced lipogenesis and an increased susceptibility to alcohol-related liver injury. These temporal diversions were attributed to disruption of hepatic SREBP-1c rhythmicity, which was maintained via gut-derived polyunsaturated fatty acids produced by intestinal FADS1/2 under the control of a local clock. CONCLUSIONS Our findings establish a pivotal role for the intestinal clock in dictating liver rhythmicity and diurnal metabolism, and suggest targeting intestinal rhythms as a new avenue for improving metabolic health. IMPACT AND IMPLICATIONS Our findings establish the centrality of the intestinal clock among peripheral tissue clocks, and associate liver-related pathologies with its malfunction. Clock modifiers in the intestine are shown to modulate liver metabolism with improved metabolic parameters. Such knowledge will help clinicians improve the diagnosis and treatment of metabolic diseases by incorporating intestinal circadian factors.
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Affiliation(s)
- Min Chen
- Institute of Molecular Rhythm and Metabolism, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Yanke Lin
- Institute of Molecular Rhythm and Metabolism, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Yongkang Dang
- Institute of Molecular Rhythm and Metabolism, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Yifei Xiao
- Institute of Molecular Rhythm and Metabolism, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Fugui Zhang
- Institute of Molecular Rhythm and Metabolism, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Guanghui Sun
- Institute of Molecular Rhythm and Metabolism, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Xuejun Jiang
- Institute of Molecular Rhythm and Metabolism, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Li Zhang
- Institute of Molecular Rhythm and Metabolism, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Jianhao Du
- Institute of Molecular Rhythm and Metabolism, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Shuyi Duan
- Department of Pharmacy, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Xiaojian Zhang
- Department of Pharmacy, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Zifei Qin
- Department of Pharmacy, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China.
| | - Jing Yang
- Department of Pharmacy, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China.
| | - Kaisheng Liu
- Guangdong Provincial Clinical Research Center for Geriatrics, Shenzhen Clinical Research Center for Geriatrics, Shenzhen People's Hospital (The Second Clinical Medical College, Jinan University; The First Affiliated Hospital, Southern University of Science and Technology), Shenzhen, Guangdong, China.
| | - Baojian Wu
- Institute of Molecular Rhythm and Metabolism, Guangzhou University of Chinese Medicine, Guangzhou, China.
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Castelnuovo G, Perez-Diaz-Del-Campo N, Rosso C, Guariglia M, Armandi A, Nicolosi A, Caviglia GP, Bugianesi E. Impact of Chronotype and Mediterranean Diet on the Risk of Liver Fibrosis in Patients with Non-Alcoholic Fatty Liver Disease. Nutrients 2023; 15:3257. [PMID: 37513675 PMCID: PMC10385040 DOI: 10.3390/nu15143257] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2023] [Revised: 07/14/2023] [Accepted: 07/21/2023] [Indexed: 07/30/2023] Open
Abstract
Late chronotype, the individual's aptitude to perform daily activities late in the day, has been associated with low adherence to the Mediterranean diet (MedDiet) and metabolic syndrome. The aim of this work was to investigate the potential association of chronotype and adherence to the MedDiet with the liver fibrosis risk in patients with non-alcoholic fatty liver disease (NAFLD). Liver stiffness was assessed in 126 patients by FibroScan®530. Significant (F ≥ 2) and advanced (F ≥ 3) hepatic fibrosis were defined according to liver stiffness values ≥7.1 kPa and ≥8.8 kPa, respectively. Chronotype (MSFsc) was defined by the Munich Chronotype Questionnaire, and adherence to the MedDiet was defined by the Mediterranean diet score (MDS). Overall, the median age was 55 (46-63) years, and 57.9% of participants were male. The principal comorbidities were type-2 diabetes mellitus (T2DM) (26.1%), arterial hypertension (53.1%), dyslipidaemia (63.4%), obstructive sleep apnoea (5.5%) and depression (5.5%). Most subjects (65.0%) had intermediate + late chronotype and showed higher mid-sleep on workdays (p < 0.001) and on work-free days (p < 0.001) compared to those with early chronotype. In the logistic regression model, intermediate + late chronotype (p = 0.024), MDS (p = 0.019) and T2DM (p = 0.004) were found to be significantly and independently associated with the risk of both F ≥ 2 And F ≥ 3. We observed that the intermediate + late chronotype and low adherence to the MedDiet were associated with both significant and advanced liver fibrosis in patients with NAFLD.
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Affiliation(s)
| | | | - Chiara Rosso
- Department of Medical Sciences, University of Turin, 10126 Turin, Italy
| | - Marta Guariglia
- Department of Medical Sciences, University of Turin, 10126 Turin, Italy
| | - Angelo Armandi
- Department of Medical Sciences, University of Turin, 10126 Turin, Italy
- Metabolic Liver Disease Research Program, I. Department of Medicine, University Medical Center of the Johannes Gutenberg-University, 55131 Mainz, Germany
| | - Aurora Nicolosi
- Department of Medical Sciences, University of Turin, 10126 Turin, Italy
| | | | - Elisabetta Bugianesi
- Department of Medical Sciences, University of Turin, 10126 Turin, Italy
- Gastroenterology Unit, Città della Salute e della Scienza-Molinette Hospital, 10126 Turin, Italy
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Vetrani C, Barrea L, Verde L, Docimo A, Aprano S, Savastano S, Colao A, Muscogiuri G. Vitamin D and chronotype: is there any relationship in individuals with obesity? J Endocrinol Invest 2023; 46:1001-1008. [PMID: 36454438 DOI: 10.1007/s40618-022-01973-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/05/2022] [Accepted: 11/21/2022] [Indexed: 12/03/2022]
Abstract
PURPOSE Chronotype is the attitude to perform most of the daily activities in the morning ("morning chronotype", MC) or in the evening ("evening chronotype", EC). The latter, as well as vitamin D deficiency, has been associated with an increased risk of obesity-related complications, likely through the promotion of insulin resistance. Therefore, we aimed to investigate whether there is any relationship between vitamin D (25-OH-D) and chronotype in individuals with obesity. METHODS In this cross-sectional study, we enrolled 59 individuals (43.1 ± 13 years; 17M/42F) with obesity. Anthropometric parameters, lifestyle habits, personal medical history, chronotype, insulin resistance, and 25-OH-D were assessed. RESULTS Individuals with EC presented significantly higher BMI than MC (p < 0.001), greater waist (p = 0.012), and hip circumferences (p = 0.001). Individuals with EC showed significantly lower insulin sensitivity (p = 0.017) and 25-OH-D than MC. In addition, the prevalence of vitamin D deficiency and impaired fasting glucose was significantly higher in EC than in MC. 25-OH-D directly correlated with chronotype score (r = 0.351; p = 0.019) whereas inversely with BMI (r = - 0.363; p = 0.016). The regression analysis showed that BMI was most tightly associated with 25-OH-D concentrations (β = - 0.323, p = 0.032), followed by chronotype score (β = 0.340, p = 0.042). Using chronotype score as the dependent variable, BMI significantly predicted a lower chronotype score (β = - 0.586, p < 0.001). CONCLUSION The present study showed that 25-OH-D, as well as chronotype, correlate independently with obesity.
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Affiliation(s)
- C Vetrani
- Endocrinology Unit, Department of Clinical Medicine and Surgery, University of Naples "Federico II", 5, Sergio Pansini, 80131, Naples, Italy
- Centro Italiano Per La Cura E Il Benessere del Paziente Con Obesità (C.I.B.O), University of Naples "Federico II", Naples, Italy
| | - L Barrea
- Centro Italiano Per La Cura E Il Benessere del Paziente Con Obesità (C.I.B.O), University of Naples "Federico II", Naples, Italy
- Dipartimento di Scienze Umanistiche, Università Telematica Pegaso, 80143, Naples, Italy
| | - L Verde
- Centro Italiano Per La Cura E Il Benessere del Paziente Con Obesità (C.I.B.O), University of Naples "Federico II", Naples, Italy
| | - A Docimo
- Endocrinology Unit, Department of Clinical Medicine and Surgery, University of Naples "Federico II", 5, Sergio Pansini, 80131, Naples, Italy
| | - S Aprano
- Endocrinology Unit, Department of Clinical Medicine and Surgery, University of Naples "Federico II", 5, Sergio Pansini, 80131, Naples, Italy
| | - S Savastano
- Endocrinology Unit, Department of Clinical Medicine and Surgery, University of Naples "Federico II", 5, Sergio Pansini, 80131, Naples, Italy
- Centro Italiano Per La Cura E Il Benessere del Paziente Con Obesità (C.I.B.O), University of Naples "Federico II", Naples, Italy
| | - A Colao
- Endocrinology Unit, Department of Clinical Medicine and Surgery, University of Naples "Federico II", 5, Sergio Pansini, 80131, Naples, Italy
- Centro Italiano Per La Cura E Il Benessere del Paziente Con Obesità (C.I.B.O), University of Naples "Federico II", Naples, Italy
- UNESCO Chair "Education for Health and Sustainable Development", University of Naples "Federico II", Naples, Italy
| | - G Muscogiuri
- Endocrinology Unit, Department of Clinical Medicine and Surgery, University of Naples "Federico II", 5, Sergio Pansini, 80131, Naples, Italy.
- Centro Italiano Per La Cura E Il Benessere del Paziente Con Obesità (C.I.B.O), University of Naples "Federico II", Naples, Italy.
- UNESCO Chair "Education for Health and Sustainable Development", University of Naples "Federico II", Naples, Italy.
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Fan Y, Lu J, Fan J, Guan S. 1,3-dichloro-2-propanol caused lipid droplets accumulation by suppressing neutral lipases via BMAL1 in hepatocytes. Food Chem Toxicol 2023; 174:113670. [PMID: 36805544 DOI: 10.1016/j.fct.2023.113670] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2022] [Revised: 02/03/2023] [Accepted: 02/13/2023] [Indexed: 02/19/2023]
Abstract
Circadian rhythm regulates body physiology and metabolism to adapt to the external environment. 1,3-dichloro-2-propanol (1,3-DCP) is a food pollutant formed during food processing. Our study explored whether toxicity of 1,3-DCP was related to circadian rhythm. We discovered that 1,3-DCP caused lipid droplets (LDs) accumulation via suppression of neutral lipases ATGL and HSL in mice liver and HepG2 cells. Meanwhile, 1,3-DCP caused rhythmic disruption of key circadian rhythm molecules BMAL1/CLOCK at protein and mRNA levels in HepG2 cells. Studies have shown that BMAL1 regulates PPARα by binding to the promoter E-box. 1,3-DCP inhibited PPARα expression. A PPARα activator WY-14643 up-regulated ATGL and HSL expression. BMAL1 overexpression up-regulated PPARα, ATGL and HSL expression. WY-14643 or BMAL1 overexpression attenuated 1,3-DCP-caused LDs accumulation in HepG2 cells. The results revealed that 1,3-DCP caused LDs accumulation by neutral lipases suppression via inhibiting key circadian rhythm protein BMAL1, indicating that circadian rhythm can be related to the regulation of LDs accumulation caused by 1,3-DCP.
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Affiliation(s)
- Yong Fan
- College of Food Science and Engineering, Jilin University, Changchun, Jilin, 130062, People's Republic of China
| | - Jing Lu
- College of Food Science and Engineering, Jilin University, Changchun, Jilin, 130062, People's Republic of China; Key Laboratory of Zoonosis, Ministry of Education College of Veterinary Medicine, Jilin University, Changchun, Jilin, 130062, People's Republic of China
| | - Jinghui Fan
- Department of Pharmacy, Hongqi Hospital Affiliated to Mudanjiang Medical University, Mudanjiang, 157011, People's Republic of China
| | - Shuang Guan
- College of Food Science and Engineering, Jilin University, Changchun, Jilin, 130062, People's Republic of China; Key Laboratory of Zoonosis, Ministry of Education College of Veterinary Medicine, Jilin University, Changchun, Jilin, 130062, People's Republic of China.
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Evening chronotype is associated with severe NAFLD in obesity. Int J Obes (Lond) 2022; 46:1638-1643. [PMID: 35676442 DOI: 10.1038/s41366-022-01159-3] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/04/2022] [Revised: 05/23/2022] [Accepted: 05/26/2022] [Indexed: 12/30/2022]
Abstract
BACKGROUND/OBJECTIVES Chronotype, i.e., the individual attitude to carry out the daily activities at a certain time of the day, has been reported to play a role in metabolic diseases. Thus, the aim of our study was to investigate the association of non-alcoholic fatty liver disease (NAFLD) with chronotype categories in individuals with obesity. SUBJECTS/METHODS In this cross-sectional study, participants underwent to anthropometric, biochemical, and the Visceral Adiposity Index (VAI) assessment. Chronotype categories were assessed by the Horne-Ostberg Morningness-Eveningness Questionnaire (MEQ). The following indirect indices of NAFLD were calculated: Liver Fat Equation (LFE), Hepatic Steatosis Index (HSI) and Index of Non-alcoholic steatohepatitis (ION). RESULTS The study population consisted of 87 participants (40.3 ± 12.3 years; BMI 45.6 ± 6.3 kg/m2; 64F/23M). According to the chronotype score, 31.0% were morning (MC), 36.8% were intermediate (IC), and 32.2% evening chronotype (EC). Individuals with IC were significantly younger than those with MC and EC (p = 0.002 and p = 0.047, respectively). EC presented significantly higher BMI (p < 0.001), waist circumference (p = 0.007), and hip circumference (p = 0.001) than MC. Moreover, EC had higher BMI (p < 0.001) and waist circumference (p = 0.011) than IC. All participants presented NAFLD (HSI ≥ 36 and LFE ≥ 5). Nevertheless, only individuals with EC were above the threshold of non-alcoholic steatohepatitis evaluated as ION index (ION ≥ 50). Individuals with EC presented significantly higher VAI (p = 0.036), LFE (p = 0.034), HSI (p < 0.001) and ION (p = 0.014) than MC, also after the adjustment for age, gender, and BMI. CONCLUSION EC is associated with more severe NAFLD independently of age, gender, and BMI than MC and IC in individuals with obesity.
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