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https://www.readbyqxmd.com/read/27568341/the-shift-work-and-health-research-agenda-considering-changes-in-gut-microbiota-as-a-pathway-linking-shift-work-sleep-loss-and-circadian-misalignment-and-metabolic-disease
#1
Amy C Reynolds, Jessica L Paterson, Sally A Ferguson, Dragana Stanley, Kenneth P Wright, Drew Dawson
Prevalence and impact of metabolic disease is rising. In particular, overweight and obesity are at epidemic levels and are a leading health concern in the Western world. Shift work increases the risk of overweight and obesity, along with a number of additional metabolic diseases, including metabolic syndrome and type 2 diabetes (T2D). How shift work contributes to metabolic disease has not been fully elucidated. Short sleep duration is associated with metabolic disease and shift workers typically have shorter sleep durations...
July 11, 2016: Sleep Medicine Reviews
https://www.readbyqxmd.com/read/27432117/genetic-and-environmental-models-of-circadian-disruption-link-src-2-function-to-hepatic-pathology
#2
Tiffany Fleet, Erin Stashi, Bokai Zhu, Kimal Rajapakshe, Kathrina L Marcelo, Nicole M Kettner, Blythe K Gorman, Cristian Coarfa, Loning Fu, Bert W O'Malley, Brian York
Circadian rhythmicity is a fundamental process that synchronizes behavioral cues with metabolic homeostasis. Disruption of daily cycles due to jet lag or shift work results in severe physiological consequences including advanced aging, metabolic syndrome, and even cancer. Our understanding of the molecular clock, which is regulated by intricate positive feedforward and negative feedback loops, has expanded to include an important metabolic transcriptional coregulator, Steroid Receptor Coactivator-2 (SRC-2), that regulates both the central clock of the suprachiasmatic nucleus (SCN) and peripheral clocks including the liver...
October 2016: Journal of Biological Rhythms
https://www.readbyqxmd.com/read/27381967/study-of-association-between-beverage-consumption-pattern-and-lipid-profile-in-shift-workers
#3
Nafiseh Shokri Mashhadi, Saeed Saadat, Mohammad Reza Afsharmanesh, Saeed Shirali
AIMS: The circadian system influences on health and metabolic function that can cause raising some risk factor of metabolic syndrome. Few studies have examined data that incorporate the full complexity of daily beverage intake pattern on lipid profiles. The purpose of this study was to investigate relation between daily water and beverage intake of adults working in day or shift work and lipid profile. MATERIALS AND METHODS: Total beverages intake was estimated in shift and administrative staff of Ahvaz International Airport, Iran...
June 8, 2016: Diabetes & Metabolic Syndrome
https://www.readbyqxmd.com/read/26889020/night-shift-work-and-incidence-of-diabetes-in-the-danish-nurse-cohort
#4
Anne B Hansen, Leslie Stayner, Johnni Hansen, Zorana J Andersen
OBJECTIVES: Night shift work has been associated with poor sleep, weight gain, metabolic syndrome, which are recognised risk factor for diabetes. However, only a few studies have examined the effect of shift work on diabetes risk. Here, we study the association between shift work and incidence of diabetes in Danish nurses. METHODS: We used the Danish Nurse Cohort with 28,731 participating female nurses recruited in 1993 (19,898) or 1999 (8833), when self-reported baseline information on diabetes prevalence, lifestyle and working time were collected, and followed them in the Danish Diabetes Register for incidence of diabetes until 2013...
April 2016: Occupational and Environmental Medicine
https://www.readbyqxmd.com/read/26867201/cardiometabolic-health-in-submariners-returning-from-a-3-month-patrol
#5
Heath G Gasier, Colin R Young, Erin Gaffney-Stomberg, Douglas C McAdams, Laura J Lutz, James P McClung
Confined space, limited exercise equipment, rotating shift work and reduced sleep may affect cardiometabolic health in submariners. To test this hypothesis, 53 male U.S. Submariners (20-39 years) were studied before and after a 3-month routine submarine patrol. Measures included anthropometrics, dietary and physical activity, biomarkers of cardiometabolic health, energy and appetite regulation, and inflammation. Before deployment, 62% of submariners had a body fat % (BF%) ≥ 25% (obesity), and of this group, 30% met the criteria for metabolic syndrome...
February 2016: Nutrients
https://www.readbyqxmd.com/read/26357004/is-shift-work-associated-with-lipid-disturbances-and-increased-insulin-resistance
#6
Eman Alefishat, Rana Abu Farha
OBJECTIVE: Shift work is associated with higher risk of metabolic disturbances and cardiovascular diseases. There are contradictory reports on the effect of shift work on lipid parameters in the literature. No studies have investigated any possible association between shift work and the ratio of serum triglyceride to high density lipoprotein cholesterol (TG/HDL-C ratio). This ratio can be used as a predictor for insulin resistance. The main aim of the present cross-sectional study was to investigate the association between shift work and serum TG/HDL-C ratio, TG level, and HDL-C level...
November 2015: Metabolic Syndrome and related Disorders
https://www.readbyqxmd.com/read/26302558/-the-influence-of-shift-work-on-worker-s-health-status-review
#7
REVIEW
E F Chernikova
The article provides an overview of domestic and foreign works on the impact of the replaceable labor on the efficiency, general state of health, the health and the dream of workers. Many hours shifts and overtime work were found to disturb likely familiar rhythms (sleep, wakefulness, performance), change the metabolic and hormonal metabolisms, reducing the recovery period between duties, contribute to more rapid development of fatigue. The consequence of circadian dyschrony may be the development of diseases of the cardiovascular system and cancer incidence...
May 2015: Gigiena i Sanitariia
https://www.readbyqxmd.com/read/26294202/association-between-sleep-duration-and-sleep-quality-and-metabolic-syndrome-in-taiwanese-police-officers
#8
Jen-Hung Chang, Pai-Tsang Huang, Yen-Kuang Lin, Ching-En Lin, Chien-Min Lin, Ying-Hua Shieh, Ying-Chin Lin
OBJECTIVES: This study's objective was to examine association between sleep duration and sleep quality, and metabolic syndrome (MetS) and its components in Taiwanese male police officers. MATERIAL AND METHODS: Male police officers who underwent annual health examinations were invited to join the study and eventually a total of 796 subjects was included in it. The study subjects were divided into 5 groups according to the length (duration) of sleep: < 5, 5-5.9, 6-6...
2015: International Journal of Occupational Medicine and Environmental Health
https://www.readbyqxmd.com/read/26216307/utilizing-the-metabolic-syndrome-component-count-in-workers-health-surveillance-an-example-of-day-time-vs-day-night-rotating-shift-workers
#9
Yu Cheng Lin, I-Chun Hsieh, Pau-Chung Chen
OBJECTIVES: To establish a practical method for assessing the general metabolic health conditions among different employee groups, this study utilized the total count of metabolic syndrome (MetS) elements as a parameter, and performed a retrospective analysis comparing changes of MetS component count (MSC) of 5 years among day-time work (DW) and day-andnight rotating shift work (RSW) employees. MATERIAL AND METHODS: The data of personal histories, physical examinations, blood tests, abdominal sonographic examinations and occupational records were collected from a cohort of workers in an electronics manufacturing company...
2015: International Journal of Occupational Medicine and Environmental Health
https://www.readbyqxmd.com/read/26061588/irregular-24-hour-activity-rhythms-and-the-metabolic-syndrome-in-older-adults
#10
Shahmir Sohail, Lei Yu, David A Bennett, Aron S Buchman, Andrew S P Lim
Circadian rhythms - near 24 h intrinsic biological rhythms - modulate many aspects of human physiology and hence disruption of circadian rhythms may have an important impact on human health. Experimental work supports a potential link between irregular circadian rhythms and several key risk factors for cardiovascular disease including hypertension, obesity, diabetes and dyslipidemia, collectively termed the metabolic syndrome. While several epidemiological studies have demonstrated an association between shift-work and the components of the metabolic syndrome in working-age adults, there is a relative paucity of data concerning the impact of non-occupational circadian irregularity in older women and men...
2015: Chronobiology International
https://www.readbyqxmd.com/read/26059855/how-sleep-and-wakefulness-influence-circadian-rhythmicity-effects-of-insufficient-and-mistimed-sleep-on-the-animal-and-human-transcriptome
#11
REVIEW
Simon N Archer, Henrik Oster
The mammalian circadian system is a multi-oscillator, hierarchically organised system where a central pacemaker synchronises behavioural, physiological and gene expression rhythms in peripheral tissues. Epidemiological studies show that disruption of this internal synchronisation by short sleep and shift work is associated with adverse health outcomes through mechanisms that remain to be elucidated. Here, we review recent animal and human studies demonstrating the profound effects of insufficient and mistimed sleep on the rhythms of gene expression in central and peripheral tissues...
October 2015: Journal of Sleep Research
https://www.readbyqxmd.com/read/25924811/clinical-applications-of-cortisol-measurements-in-hair
#12
REVIEW
Vincent L Wester, Elisabeth F C van Rossum
Cortisol measurements in blood, saliva and urine are frequently used to examine the hypothalamus-pituitary-adrenal (HPA) axis in clinical practice and in research. However, cortisol levels are subject to variations due to acute stress, the diurnal rhythm and pulsatile secretion. Cortisol measurements in body fluids are not always a reflection of long-term cortisol exposure. The analysis of cortisol in scalp hair is a relatively novel method to measure cumulative cortisol exposure over months up to years. Over the past years, hair cortisol concentrations (HCC) have been examined in association with a large number of somatic and mental health conditions...
October 2015: European Journal of Endocrinology
https://www.readbyqxmd.com/read/25834642/the-impact-of-sleep-disorders-on-glucose-metabolism-endocrine-and-molecular-mechanisms
#13
Anne Briançon-Marjollet, Martin Weiszenstein, Marion Henri, Amandine Thomas, Diane Godin-Ribuot, Jan Polak
Modern lifestyle has profoundly modified human sleep habits. Sleep duration has shortened over recent decades from 8 to 6.5 hours resulting in chronic sleep deprivation. Additionally, irregular sleep, shift work and travelling across time zones lead to disruption of circadian rhythms and asynchrony between the master hypothalamic clock and pacemakers in peripheral tissues. Furthermore, obstructive sleep apnea syndrome (OSA), which affects 4 - 15% of the population, is not only characterized by impaired sleep architecture but also by repetitive hemoglobin desaturations during sleep...
2015: Diabetology & Metabolic Syndrome
https://www.readbyqxmd.com/read/25763189/the-association-between-long-working-hours-and-the-metabolic-syndrome-evidences-from-the-5th-korean-national-health-and-nutrition-examination-survey-of-2010-and-2012
#14
Jae Uk Jeong, Man Joong Jeon, Joon Sakong
OBJECTIVES: This study was conducted in order to evaluate the association between the working hours of Korean employees and the metabolic syndrome and the effects of long working hours on metabolic syndrome based on the 5th Korean National Health and Nutrition Examination Survey (2010-2012). METHODS: Based on the 5th Korean National Health and Nutrition Examination Survey (2010-2012), 4,456 Korean employees without shift work, aged over 15, who work 30 hours or more per week were targeted in this study...
2014: Annals of Occupational and Environmental Medicine
https://www.readbyqxmd.com/read/25761114/shift-work-and-the-relationship-with-metabolic-syndrome-in-chinese-aged-workers
#15
Yanjun Guo, Yi Rong, Xiji Huang, Hanpeng Lai, Xin Luo, Zhihong Zhang, Yuewei Liu, Meian He, Tangchun Wu, Weihong Chen
BACKGROUND: Shift work is indicated to be associated with adverse metabolic disorders. However, potential effects of shift work on metabolic syndrome (MetS) and its components have not been well established. METHODS: In total, 26,382 workers from Dongfeng-Tongji Cohort were included in this study. Information on shift work history was gathered through questionnaires and metabolic traits were measured. Logistic regression models were used to calculate the odds ratio (OR) and 95% confidence interval (CI) for long-term shift work related with MetS and each component, respectively...
2015: PloS One
https://www.readbyqxmd.com/read/25757950/a-cross-sectional-study-of-shift-work-sleep-quality-and-cardiometabolic-risk-in-female-hospital-employees
#16
P Lajoie, K J Aronson, A Day, J Tranmer
OBJECTIVES: Investigating the potential pathways linking shift work and cardiovascular diseases (CVD), this study aimed to identify whether sleep disturbances mediate the relationship between shift work and the metabolic syndrome, a cluster of CVD risk factors. DESIGN: Cross-sectional study. SETTING: A tertiary-level, acute care teaching hospital in Southeastern Ontario, Canada. PARTICIPANTS: Female hospital employees working a shift schedule of two 12 h days, two 12 h nights, followed by 5 days off (n=121) were compared with female day-only workers (n=150)...
2015: BMJ Open
https://www.readbyqxmd.com/read/25613763/the-effect-of-shift-work-on-red-blood-cell-distribution-width
#17
Paul D Loprinzi
Limited research demonstrates that shift work (e.g., evening shift, night shift, rotating shift) increases the risk of certain health outcomes, such as hypertriglyceridemia and metabolic syndrome. Red blood cell distribution width (RDW), which is commonly assessed and reported by physicians, is a novel biomarker of cardiovascular disease. However, no study has examined the association of shift work on RDW, which was the purpose of this study. Data from the 2005-2010 NHANES were used. RDW was assessed from a blood sample; shift work was assessed from a questionnaire, and various demographic, behavioral/psychological, occupational, and biological parameters were included as covariates...
April 1, 2015: Physiology & Behavior
https://www.readbyqxmd.com/read/25398202/metabolic-and-glycemic-sequelae-of-sleep-disturbances-in-children-and-adults
#18
REVIEW
Dorit Koren, Katie L O'Sullivan, Babak Mokhlesi
The prevalence of obesity in adults and children has increased greatly in the past three decades, as have metabolic sequelae, such as insulin resistance and type 2 diabetes mellitus (T2DM). Sleep disturbances are increasingly recognized as contributors to this widespread epidemic in adults, and data are emerging in children as well. The categories of sleep disturbances that contribute to obesity and its glycemic co-morbidities include the following: (1) alterations of sleep duration, chronic sleep restriction and excessive sleep; (2) alterations in sleep architecture; (3) sleep fragmentation; (4) circadian rhythm disorders and disruption (i...
January 2015: Current Diabetes Reports
https://www.readbyqxmd.com/read/25367246/chronic-effects-of-shift-work-on-cognition-findings-from-the-visat-longitudinal-study
#19
Jean-Claude Marquié, Philip Tucker, Simon Folkard, Catherine Gentil, David Ansiau
OBJECTIVES: Shift work, like chronic jet lag, is known to disrupt workers' normal circadian rhythms and social life, and to be associated with increased health problems (eg, ulcers, cardiovascular disease, metabolic syndrome, breast cancer, reproductive difficulties) and with acute effects on safety and productivity. However, very little is known about the long-term consequences of shift work on cognitive abilities. The aim of this study was to assess the chronicity and reversibility of the effects of shift work on cognition...
April 2015: Occupational and Environmental Medicine
https://www.readbyqxmd.com/read/25246026/impacts-of-shift-work-on-sleep-and-circadian-rhythms
#20
REVIEW
D B Boivin, P Boudreau
Shift work comprises work schedules that extend beyond the typical "nine-to-five" workday, wherein schedules often comprise early work start, compressed work weeks with 12-hour shifts, and night work. According to recent American and European surveys, between 15 and 30% of adult workers are engaged in some type of shift work, with 19% of the European population reportedly working at least 2 hours between 22:00 and 05:00. The 2005 International Classification of Sleep Disorders estimates that a shift work sleep disorder can be found in 2-5% of workers...
October 2014: Pathologie-biologie
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