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https://www.readbyqxmd.com/read/27933201/association-between-metabolic-syndrome-and-liver-histology-among-nafld-patients-without-diabetes
#1
Pushpjeet Kanwar, James E Nelson, Katherine Yates, David E Kleiner, Aynur Unalp-Arida, Kris V Kowdley
BACKGROUND: Metabolic syndrome (MetS) and obesity are associated with non-alcoholic fatty liver disease (NAFLD). The aim of this observational study was to examine the relationship of MetS and a diagnosis of non-alcoholic steatohepatitis (NASH) in patients without diabetes in the NASH Clinical Research Network (CRN). METHODS: Clinical, demographic, histological, laboratory and anthropometric data were collected on 356 adult patients without diabetes with NAFLD. Obesity was defined as body mass index ≥30...
2016: BMJ Open Gastroenterology
https://www.readbyqxmd.com/read/27932476/high-fat-diet-induced-lysosomal-dysfunction-and-impaired-autophagic-flux-contribute-to-lipotoxicity-in-the-kidney
#2
Takeshi Yamamoto, Yoshitsugu Takabatake, Atsushi Takahashi, Tomonori Kimura, Tomoko Namba, Jun Matsuda, Satoshi Minami, Jun-Ya Kaimori, Isao Matsui, Taiji Matsusaka, Fumio Niimura, Motoko Yanagita, Yoshitaka Isaka
Excessive fat intake contributes to the progression of metabolic diseases via cellular injury and inflammation, a process termed lipotoxicity. Here, we investigated the role of lysosomal dysfunction and impaired autophagic flux in the pathogenesis of lipotoxicity in the kidney. In mice, a high-fat diet (HFD) resulted in an accumulation of phospholipids in enlarged lysosomes within kidney proximal tubular cells (PTCs). In isolated PTCs treated with palmitic acid, autophagic degradation activity progressively stagnated in association with impaired lysosomal acidification and excessive lipid accumulation...
December 8, 2016: Journal of the American Society of Nephrology: JASN
https://www.readbyqxmd.com/read/27932336/heat-stress-hydration-and-uric-acid-a-cross-sectional-study-in-workers-of-three-occupations-in-a-hotspot-of-mesoamerican-nephropathy-in-nicaragua
#3
Catharina Wesseling, Aurora Aragón, Marvin González, Ilana Weiss, Jason Glaser, Christopher J Rivard, Carlos Roncal-Jiménez, Ricardo Correa-Rotter, Richard J Johnson
OBJECTIVES: To study Mesoamerican nephropathy (MeN) and its risk factors in three hot occupations. DESIGN: Cross-sectional. SETTING: Chinandega and León municipalities, a MeN hotspot on the Nicaraguan Pacific coast, January-February 2013. PARTICIPANTS: 194 male workers aged 17-39 years: 86 sugarcane cutters, 56 construction workers, 52 small-scale farmers. OUTCOME MEASURES: (1) Differences between the three occupational groups in prevalences/levels of socioeconomic, occupational, lifestyle and health risk factors for chronic kidney disease (CKD) and in biomarkers of kidney function and hydration; (2) differences in prevalences/levels of CKD risk factors between workers with reduced estimated glomerular filtration rate (eGFRCKD-EPI <80 mL/min/1...
December 8, 2016: BMJ Open
https://www.readbyqxmd.com/read/27931182/exposure-of-bovine-oocytes-and-embryos-to-elevated-non-esterified-fatty-acid-concentrations-integration-of-epigenetic-and-transcriptomic-signatures-in-resultant-blastocysts
#4
K L J Desmet, V Van Hoeck, D Gagné, E Fournier, A Thakur, A M O'Doherty, C P Walsh, M A Sirard, P E J Bols, J L M R Leroy
BACKGROUND: Metabolic stress associated with negative energy balance in high producing dairy cattle and obesity in women is a risk factor for decreased fertility. Non-esterified fatty acids (NEFA) are involved in this pathogenesis as they jeopardize oocyte and embryo development. Growing evidence indicates that maternal metabolic disorders can disturb epigenetic programming, such as DNA methylation, in the offspring. Oocyte maturation and early embryo development coincide with methylation changes and both are sensitive to adverse environments...
December 8, 2016: BMC Genomics
https://www.readbyqxmd.com/read/27930947/ginseng-and-obesity-observations-and-understanding-in-cultured-cells-animals-and-humans
#5
REVIEW
Longyun Zhang, Carlos Virgous, Hongwei Si
Ginseng, a traditional medical herb, has been reported having beneficial effects in fatigue, heart diseases, diabetes, immune function and erectile dysfunction. In recent years, increasing investigations have been conducted on ginseng in preventing and treating of obesity, one of the major worldwide escalating public health concerns. However, the effect and the relevant mechanisms behind how ginseng works as an antiobesity treatment are still controversial. In this review, we briefly discussed the chemical structures, metabolism and pharmacokinetics of ginseng and its major bioactive components ginsenosides...
November 23, 2016: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/27929275/erectile-dysfunction
#6
Karl T Rew, Joel J Heidelbaugh
Erectile dysfunction (ED) is the inability to achieve or maintain an erection sufficient for satisfactory sexual performance. It is common, affecting at least 12 million U.S. men. The five-question International Index of Erectile Function allows rapid clinical assessment of ED. The condition can be caused by vascular, neurologic, psychological, and hormonal factors. Common conditions related to ED include diabetes mellitus, hypertension, hyperlipidemia, obesity, testosterone deficiency, and prostate cancer treatment...
November 15, 2016: American Family Physician
https://www.readbyqxmd.com/read/27928909/using-proteomics-to-discover-novel-biomarkers-for-fatty-liver-development-and-response-to-cb1r-antagonist-treatment-in-an-obese-mouse-model
#7
Chin-Chang Chen, Tzung-Yan Lee, Ching-Fai Kwok, Yung-Pei Hsu, Kuang-Chung Shih, Yan-Jie Lin, Low-Tone Ho
Over activity of cannabinoid receptor type 1 (CB1R) plays a key role in increasing the incidence of obesity-induced nonalcoholic fatty liver disease. Tissue proteome analysis has been applied to investigate the bioinformatics regarding the mode of action and therapeutic mechanism. The aim of this study was to explore the potential pathways altered with CB1R in obesity-induced fatty liver. Male C57BL/6 mice were fed either a standard chow diet (STD) or a high-fat diet (HFD) with or without 1-week treatment of CB1R inverse agonist AM251 at 5 mg/kg...
December 8, 2016: Proteomics
https://www.readbyqxmd.com/read/27928443/pre-and-post-natal-risk-and-determination-of-factors-for-child-obesity
#8
Trandafir Lm, Temneanu Or
Obesity is considered a condition presenting a complex, multi-factorial etiology that implies genetic and non-genetic factors. The way the available information should be efficiently and strategically used in the obesity and overweight prohylaxisprogrammes for children all over the world is still unclear for most of the risk factors. Mothers' pre-conception weight and weight gain during pregnancy are two of the most important prenatal determinants of childhood obesity. Maternal obesity and gestational weight gain are associated with foetal macrosomia and childhood obesity, and this effect extends into adulthood...
October 2016: Journal of Medicine and Life
https://www.readbyqxmd.com/read/27927805/transmission-of-metabolic-dysfunction-across-generations
#9
REVIEW
Kathleen Jaeger, Jessica L Saben, Kelle H Moley
Recent human and animal studies investigating the roles of the genome, epigenome, and environmental cues have identified associations between offspring predisposition to life-long obesity/metabolic disease and epigenetic modifications such as DNA methylation. This review explores the mechanisms by which maternal exposures impair the health of not only the next generation but also potentially future generations of offspring.
January 2017: Physiology
https://www.readbyqxmd.com/read/27927722/age-dependent-control-of-energy-homeostasis-by-brown-adipose-tissue-in-progeny-subjected-to-maternal-diet-induced-fetal-programming
#10
Olivier Dumortier, Estelle Roger, Didier F Pisani, Virginie Casamento, Nadine Gautier, Patricia Lebrun, Hereroa Johnston, Pascal Lopez, Ez-Zoubir Amri, Céline Jousse, Pierre Fafournoux, Marc Prentki, Charlotte Hinault, Emmanuel Van Obberghen
Epidemiological and animal studies show that deleterious maternal environments predispose aging offspring to metabolic disorders and type 2 diabetes. Young progeny in a rat model of maternal low protein diet (LP) is normoglycemic despite collapsed insulin secretion. However, without further worsening of the insulin secretion defect glucose homeostasis deteriorates in aging LP descendants. Here we report that normoglycemic and insulinopenic 3-month-old LP progeny shows increased body temperature and energy dissipation in association with enhanced brown adipose tissue (BAT) activity...
December 7, 2016: Diabetes
https://www.readbyqxmd.com/read/27927663/ethnic-disparities-in-the-prevalence-of-metabolic-syndrome-and-its-risk-factors-in-the-suriname-health-study-a-cross-sectional-population-study
#11
Ingrid S K Krishnadath, Jerry R Toelsie, Albert Hofman, Vincent W V Jaddoe
BACKGROUND: The metabolic syndrome (MetS) indicates increased risk for cardiovascular disease and type 2 diabetes. We estimated the overall and ethnic-specific prevalence of MetS and explored the associations of risk factors with MetS among Amerindian, Creole, Hindustani, Javanese, Maroon and Mixed ethnic groups. METHOD: We used the 2009 Joint Interim Statement (JIS) to define MetS in a subgroup of 2946 participants of the Suriname Health Study, a national survey designed according to the WHO Steps guidelines...
December 7, 2016: BMJ Open
https://www.readbyqxmd.com/read/27927620/ambient-fine-particulate-matter-outdoor-temperature-and-risk-of-metabolic-syndrome
#12
Rachel S Wallwork, Elena Colicino, Jia Zhong, Itai Kloog, Brent A Coull, Pantel Vokonas, Joel D Schwartz, Andrea A Baccarelli
Ambient air pollution and temperature have been linked with cardiovascular morbidity and mortality. Metabolic syndrome and its components-abdominal obesity, elevated fasting blood glucose concentration, low high-density lipoprotein cholesterol concentration, hypertension, and hypertriglyceridemia-predict cardiovascular disease, but the environmental causes are understudied. In this study, we prospectively examined the long-term associations of air pollution, defined as particulate matter with an aerodynamic diameter less than or equal to 2...
December 7, 2016: American Journal of Epidemiology
https://www.readbyqxmd.com/read/27926952/growth-hormone-treatment-increases-plasma-irisin-concentration-in-patients-with-turner-syndrome
#13
B Wikiera, K Zawadzka, Ł Łaczmański, N Słoka, M Bolanowski, A Basiak, A Noczyńska, J Daroszewski
Irisin (Ir) deficiency may be a contributing factor in metabolic disease. This study aimed to investigate the effect of supraphysiological doses of recombinant human growth hormone (rhGH) on Ir plasma concentration in relation to metabolic disorders, including obesity and other components of metabolic syndrome. We studied 36 girls with Turner syndrome (mean age 8.2 years) treated with rhGH (0.05 mg/kg/day). Anthropometric data and fasting blood levels [e. g., Ir, insulin, glucose, glycated hemoglobin (HbA1c), IGF-1, IGFBP-3, cholesterol, insulin resistance (HOMA-IR), and β-cell function (HOMA-β)] were analyzed prior to and following rhGH therapy [mean (SD) follow-up of 1...
December 7, 2016: Hormone and Metabolic Research, Hormon- und Stoffwechselforschung, Hormones et Métabolisme
https://www.readbyqxmd.com/read/27925193/systemic-and-local-adipose-tissue-in-knee-osteoarthritis
#14
REVIEW
Elisa Belluzzi, Hamza El Hadi, Marnie Granzotto, Marco Rossato, Roberta Ramonda, Veronica Macchi, Raffaele De Caro, Roberto Vettor, Marta Favero
Osteoarthritis is a common chronic joint disorder affecting older people. The knee is the major joint affected. The symptoms of osteoarthritis include limited range of motion, joint swelling, and pain causing disability. There are no disease modifying drugs available, and treatments are mainly focused on pain management. Total knee replacement performed at the end stage of the disease is considered the only cure available. It has been found that obese people have an increased risk to develop not only knee but also hand osteoarthritis...
December 7, 2016: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/27924915/serum-uric-acid-is-independently-and-linearly-associated-with-risk-of-nonalcoholic-fatty-liver-disease-in-obese-chinese-adults
#15
Chang-Qin Liu, Chun-Mei He, Ning Chen, Dongmei Wang, Xiulin Shi, Yongwen Liu, Xin Zeng, Bing Yan, Suhuan Liu, Shuyu Yang, Xiaoying Li, Xuejun Li, Zhibin Li
The present study aimed to explore the independent association and potential pathways between serum uric acid (SUA) and nonalcoholic fatty liver disease (NAFLD). 1365 community-living obese Chinese adults who received hepatic ultrasonography scanning were included. The prevalence rates of NAFLD were 71.5% for men and 53.8% for women. Compared with controls, NAFLD subjects showed significantly increased SUA levels (333.3 ± 84.9 v.s. 383.4 ± 93.7 μmol/L) and prevalence rate of hyperuricemia (HUA) (25...
December 7, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27924082/duodenal-endoluminal-barrier-sleeve-alters-gut-microbiota-of-zdf-rats
#16
T Kim, C L Holleman, T Ptacek, C D Morrow, K M Habegger
BACKGROUND/OBJECTIVES: The combination of energy dense diets and reduced energy expenditure in modern society has escalated the prevalence of obesity and obesity-related comorbidities. Among these disease-states, type-2 diabetics (T2D) are disproportionately associated with obesity, suggesting a shared etiology. In conjunction with defects in hormonal and inflammatory states, obesity and T2D are also characterized by dysbiosis. METHODS: We have recently described the beneficial effects of duodenal nutrient exclusion, as induced by the duodenal endoluminal sleeve (DES); including body weight loss, prevented fat mass accumulation, and improved glucose tolerance in the ZDF rat, a rodent model of obesity and type-2 diabetes (T2D)...
December 7, 2016: International Journal of Obesity: Journal of the International Association for the Study of Obesity
https://www.readbyqxmd.com/read/27923524/the-therapeutic-potential-of-metabolic-hormones-in-the-treatment-of-age-related-cognitive-decline-and-alzheimer-disease
#17
REVIEW
John Grizzanti, Hyoung-Gon Lee, Antoni Camins, Merce Pallas, Gemma Casadesus
Aging leads to a number of physiological alterations, specifically changes in circulating hormone levels, increases in fat deposition, decreases in metabolism, changes in inflammatory responses, and reductions in growth factors. These progressive changes in physiology and metabolism are exacerbated by modern culture and Western diet and give rise to diseases such as obesity, metabolic syndrome, and type 2 (non-insulin-dependent) diabetes (T2D). These age and lifestyle-related metabolic diseases are often accompanied by insulin and leptin resistance, as well as aberrant amylin production and signaling...
November 8, 2016: Nutrition Research
https://www.readbyqxmd.com/read/27923458/micrornas-in-adipocyte-formation-and-obesity
#18
REVIEW
Marcel Scheideler
The worldwide epidemic of obesity demands novel and more effective therapeutic approaches. Fat cells are at the core of energy metabolism trying either to cope with a positive energy balance by hypertrophy and hyperplasia of energy storing white adipocytes or to counteract obesity by the induction of non-shivering thermogenesis in energy combusting brite/brown adipocytes. However, the comprehensive regulatory network of adipocyte formation remains to be elucidated. MicroRNAs are an emerging class of important regulatory determinants in many biological processes and diseases, including adipocyte formation and obesity...
October 2016: Best Practice & Research. Clinical Endocrinology & Metabolism
https://www.readbyqxmd.com/read/27923446/obesity-is-more-closely-related-with-hepatic-steatosis-and-fibrosis-measured-by-transient-elastography-than-metabolic-health-status
#19
Ji Hye Huh, Kwang Joon Kim, Seung Up Kim, Seung Hwan Han, Kwang-Hyub Han, Bong-Soo Cha, Choon Hee Chung, Byung-Wan Lee
OBJECTIVE: The pathogenesis of non-alcoholic fatty liver disease (NAFLD) involves multiple concomitant events induced by obesity and metabolic health condition. This study aimed to assess the risk of NAFLD according to metabolic health and obesity status using transient elastography (TE). MATERIALS AND METHODS: A total of 2198 asymptomatic adults without chronic liver disease and who underwent a medical health check-up were recruited. Subjects were categorized into four groups according to metabolic health and obesity statuses: metabolically healthy non-obese (MHNO); metabolically unhealthy non-obese (MUNO); metabolically healthy obese (MHO); and metabolically unhealthy obese (MUO)...
January 2017: Metabolism: Clinical and Experimental
https://www.readbyqxmd.com/read/27923249/thyroid-function-in-human-obesity-underlying-mechanisms
#20
L C Fontenelle, M M Feitosa, J S Severo, T E C Freitas, J B S Morais, F L Torres-Leal, G S Henriques, D do Nascimento Marreiro
Obesity is associated with several metabolic and endocrine disorders; and changes in plasma concentrations, secretion patterns, and clearance of various hormones are observed in obese patients. In this context, recent research has shown that overweight can influence the function of the thyroid gland, usually leading to increased thyrotropin concentrations and changes in the ratio between the hormones triiodothyronine and thyroxine, though within the normal range. The etiology of these changes is still unclear; however, several mechanisms have been proposed including the adaptive process to increase energy expenditure, hyperleptinemia, changes in the activity of deiodinases, the presence of thyroid hormones resistance, chronic low-grade inflammation, and insulin resistance...
December 2016: Hormone and Metabolic Research, Hormon- und Stoffwechselforschung, Hormones et Métabolisme
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