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Obesity and Metabolic Syndrome

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https://www.readbyqxmd.com/read/29341862/identification-of-three-genetic-variants-as-novel-susceptibility-loci-for-body-mass-index-in-a-japanese-population
#1
Yoshiki Yasukochi, Jun Sakuma, Ichiro Takeuchi, Kimihiko Kato, Mitsutoshi Oguri, Tetsuo Fujimaki, Hideki Horibe, Yoshiji Yamada
Recent genome-wide association studies have identified various obesity or metabolic syndrome (MetS) susceptibility loci. However, most studies were conducted in a cross-sectional manner. To address this gap, we performed a longitudinal exome-wide association study to identify susceptibility loci for obesity and MetS in a Japanese population. We traced clinical data of 6022 Japanese who had annual health check-ups for several years (mean follow-up period, 5 years), and genotyped ~244,000 genetic variants. The association of single nucleotide polymorphisms (SNPs) with body mass index (BMI) or the prevalence of obesity and MetS was examined using a generalized estimating equation model...
January 12, 2018: Physiological Genomics
https://www.readbyqxmd.com/read/29341013/rodent-abdominal-adipose-tissue-imaging-by-mr
#2
Bhanu Prakash Kn, Jadegoud Yaligar, Sanjay K Verma, Venkatesh Gopalan, S Sendhil Velan
Rodents including rats and mice are important models to study obesity, diabetes, and metabolic syndrome in a preclinical setting. Translational and longitudinal imaging of these rodents permit investigation of metabolic diseases and identification of imaging biomarkers suitable for clinical translation. Here we describe the imaging protocols for achieving quantitative abdominal imaging in small animals followed by segmentation and quantification of fat volumes.
2018: Methods in Molecular Biology
https://www.readbyqxmd.com/read/29339795/lipidized-prolactin-releasing-peptide-improved-glucose-tolerance-in-metabolic-syndrome-koletsky-and-spontaneously-hypertensive-rat-study
#3
Barbora Mikulášková, Martina Holubová, Veronika Pražienková, Jana Zemenová, Lucie Hrubá, Martin Haluzík, Blanka Železná, Jaroslav Kuneš, Lenka Maletínská
BACKGROUND/OBJECTIVES: Prolactin-releasing peptide (PrRP) has a potential to decrease food intake and ameliorate obesity, but is ineffective after peripheral administration. We have previously shown that our novel lipidized analogs PrRP enhances its stability in the circulation and enables its central effect after peripheral application. The purpose of this study was to explore if sub-chronic administration of novel PrRP analog palmitoylated in position 11 (palm11-PrRP31) to Koletsky-spontaneously hypertensive obese rats (SHROB) could lower body weight and glucose intolerance as well as other metabolic parameters...
January 16, 2018: Nutrition & Diabetes
https://www.readbyqxmd.com/read/29339197/differential-insulin-and-steroidogenic-signaling-in-insulin-resistant-and-non-insulin-resistant-human-luteinized-granulosa-cells-a-study-in-pcos-patients
#4
Muskaan Belani, Abhilash Deo, Preeti Shah, Manish Banker, Pawan Singal, Sarita Gupta
Insulin resistance (IR) is one of the significant aberrations in polycystic ovarian syndrome (PCOS), however is only observed in 70%-80% of obese PCOS and 20%-25% of lean PCOS. Hyperinsulinemia accompanies PCOS-IR along with hyperandrogenemia against normal insulin and androgen levels in PCOS-non insulin resistance (NIR). This could possibly be due to defects in the downstream signaling pathways. The study thus aims to unravel insulin and steroidogenic signaling pathways in luteinized granulosa cells isolated from PCOS -IR and NIR vs matched controls...
January 12, 2018: Journal of Steroid Biochemistry and Molecular Biology
https://www.readbyqxmd.com/read/29339114/a-systematic-review-and-meta-analysis-of-cardiorespiratory-fitness-among-indigenous-populations-in-north-america-and-circumpolar-inuit-populations
#5
REVIEW
Lila M A Hedayat, Claire C Murchison, Heather J A Foulds
Indigenous populations experience health disparities including increased obesity, diabetes and cardiovascular disease rates. Cardiorespiratory fitness is beneficial for maintaining positive health outcomes. The objective of this systematic review is to evaluate cardiorespiratory fitness among Indigenous populations including comparisons across genders, Indigenous identities, age groups, decades, socio-demographic variables and in comparison to non-Indigenous groups. Included articles reported various cardiorespiratory fitness measures using maximal treadmill or cycle ergometer tests, 20 m shuttle run, 1 mile run/walk test and 6 min walk test...
January 12, 2018: Preventive Medicine
https://www.readbyqxmd.com/read/29337407/insufficient-sleep-syndrome-an-unrecognized-but-important-clinical-entity
#6
Jun Kohyama, Yuki Anzai, Makoto Ono, Ai Kishino, Keita Tamanuki, Kazuma Takada, Kento Inoue, Maho Horiuchi, Yoshiho Hatai
BACKGROUND: In the Tokyo Bay Urayasu Ichikawa Medical Centre, a sleep clinic for adults and children was established in August 2012. As few sleep clinics are available in Japan that are specifically for children, this clinic provides the opportunity to provide data on child patients who have been suffering from sleep problems and who visited the sleep clinic. METHODS: Records of patients who visited the sleep clinic at the Tokyo Bay Urayasu Ichikawa Medical Centre at the age of 20 years or younger on their first visit were retrospectively examined, and their initial and final diagnoses were examined...
January 16, 2018: Pediatrics International: Official Journal of the Japan Pediatric Society
https://www.readbyqxmd.com/read/29337071/lower-protein-and-higher-carbohydrate-intake-is-related-with-altering-metabolic-syndrome-components-in-elderly-women-a-cross-sectional-study
#7
Hellen C G Nabuco, Crisieli M Tomeleri, Paulo Junior Sugihara, Rodrigo Dos Reis Fernandes, Edilaine F Cavalcante, Melissa Antunes, Roberto Carlos Burini, Danielle Venturini, Décio S Barbosa, Analiza Mônica Silva, Edilson S Cyrino
BACKGROUND: Metabolic Syndrome (MetS) is an energy-disturbance disease associated with insulin resistance. Hence, the intake of energy-rich macronutrients might affect some MetS components. The aim of this study was to explore the association of ingested macronutrients with MetS components in older women. METHODS: A cross sectional study was conducted in 245 older women (≥60 years). Whole-body dual-energy X-ray absorptiometry was used to assess total body fat, percentage body fat (absolute and relative), and skeletal muscle mass...
January 11, 2018: Experimental Gerontology
https://www.readbyqxmd.com/read/29335847/diabetes-obesity-and-the-metabolic-syndrome-as-prognostic-factors-in-stages-i-to-iii-colorectal-cancer-patients
#8
Brianna Croft, Melissa Reed, Caitlyn Patrick, Natalie Kovacevich, Ioannis A Voutsadakis
BACKGROUND: Attempts to introduce prognostic factors for survival outcomes in localized colorectal cancer patients receiving surgical treatment with or without adjuvant therapies, beyond the classic staging parameters, have been met with limited success. Obesity and diabetes mellitus are among the conditions that predispose to colorectal cancer but their value as prognostic markers once the disease is diagnosed is controversial. PATIENTS AND METHODS: This study examines the prognostic value of the components of metabolic syndrome in a retrospective series of colorectal cancer patients with stages I to III disease followed in a single center...
January 15, 2018: Journal of Gastrointestinal Cancer
https://www.readbyqxmd.com/read/29335416/lack-of-pronounced-changes-in-the-expression-of-fatty-acid-handling-proteins-in-adipose-tissue-and-plasma%C3%A2-of-morbidly-obese-humans
#9
Ewa Anna Grzegorczyk, Ewa Harasim-Symbor, Bartlomiej Lukaszuk, Dorota Harasiuk, Barbara Choromanska, Piotr Mysliwiec, Malgorzata Zendzian-Piotrowska, Adrian Chabowski
BACKGROUND/OBJECTIVES: Fatty acid handling proteins are involved in the process of accumulation of lipids in different fat tissue depots. Thus, the aim of the study was to estimate the expression of both fatty acid transport and binding proteins in the subcutaneous (SAT) and visceral adipose tissue (VAT) of patients with morbid obesity without metabolic syndrome, as well as the plasma concentrations of these transporters. SUBJECTS/METHODS: Protein (Western blotting) and mRNA (Real-time PCR) expression of selected fatty acid handling proteins was assessed in the visceral and subcutaneous adipose tissue of 30 patients with morbid obesity...
January 15, 2018: Nutrition & Diabetes
https://www.readbyqxmd.com/read/29334743/-adiponectin-in-patients-with-metabolic-syndrome-and-diseases-of-the-liver-bile-ducts-and-pancreas
#10
Adam Vašura, Martin Blaho, Petr Dítě, Tomáš Kupka, Pavel Svoboda, Arnošt Martínek
Epidemiological data show that the metabolic syndrome can be diagnosed in up to 30 % of the population. Regarding 5 components of the metabolic syndrome, three of them, in case of positivity (visceral obesity, arterial hypertension, hypertriglyceridemia, changes of HDL-cholesterol levels and type 2 diabetes mellitus), are pathogenic factors which are the most frequently related to cardiovascular diseases, but currently they are also the focus of interest for gastroenterologists. The relationship between non-alcoholic hepatic steatosis, including non-alcoholic steatohepatitis, has been described...
2018: Vnitr̆ní Lékar̆ství
https://www.readbyqxmd.com/read/29333826/vitamin-d-deficiency-in-pediatric-clinical-practice
#11
Gustavo Cediel, Johanna Pacheco-Acosta, Carlos CastiUo-Durdn
INTRODUCTION: Vitamin D research suggests it has a role in disorders other than bone metabolism. OBJECTIVE: To update the information on vitamin D deficiency (VDD) in pediatric clinical disorders. METHODS: Search in virtual libraries, giving priority to clinical and longitudinal studies and meta-analyses on VDD in the pediatric age group published in the past 20 years. The terms "vitamin D deficiency", "children and adolescents" (both in Spanish and English) were used as search descriptors...
February 1, 2018: Archivos Argentinos de Pediatría
https://www.readbyqxmd.com/read/29333376/anti-inflammatory-and-anti-obesity-properties-of-food-bioactive-components-effects-on-adipose-tissue
#12
REVIEW
Shasika Jayarathne, Iurii Koboziev, Oak-Hee Park, Wilna Oldewage-Theron, Chwan-Li Shen, Naima Moustaid-Moussa
Obesity is an epidemic and costly disease affecting 13% of the adult population worldwide. Obesity is associated with adipose tissue hypertrophy and hyperplasia, as well as pathologic endocrine alterations of adipose tissue including local and chronic systemic low-grade inflammation. Moreover, this inflammation is a risk factor for both metabolic syndrome (MetS) and insulin resistance. Basic and clinical studies demonstrate that foods containing bioactive compounds are capable of preventing both obesity and adipose tissue inflammation, improving obesity-associated MetS in human subjects and animal models of obesity...
December 2017: Preventive Nutrition and Food Science
https://www.readbyqxmd.com/read/29332042/protective-effects-of-indian-spice-curcumin-against-amyloid-%C3%AE-in-alzheimer-s-disease
#13
P Hemachandra Reddy, Maria Manczak, Xiangling Yin, Mary Catherine Grady, Andrew Mitchell, Sahil Tonk, Chandra Sekhar Kuruva, Jasvinder Singh Bhatti, Ramesh Kandimalla, Murali Vijayan, Subodh Kumar, Rui Wang, Jangampalli Adi Pradeepkiran, Gilbert Ogunmokun, Kavya Thamarai, Kandi Quesada, Annette Boles, Arubala P Reddy
The purpose of our article is to assess the current understanding of Indian spice, curcumin, against amyloid-β (Aβ)-induced toxicity in Alzheimer's disease (AD) pathogenesis. Natural products, such as ginger, curcumin, and gingko biloba have been used as diets and dietary supplements to treat human diseases, including cancer, cardiovascular, respiratory, infectious, diabetes, obesity, metabolic syndromes, and neurological disorders. Products derived from plants are known to have protective effects, including anti-inflammatory, antioxidant, anti-arthritis, pro-healing, and boosting memory cognitive functions...
2018: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/29332012/classical-adiponectin-leptin-resistin-and-new-chemerin-vaspin-omentin-adipocytokines-in-patients-with-prediabetes
#14
Antoaneta Gateva, Yavor Assyov, Adelina Tsakova, Zdravko Kamenov
Background In the last decade, there has been an increased interest toward fat tissue as an endocrine organ that secretes many cytokines and bioactive mediators that play a role in insulin sensitivity, inflammation, coagulation and the pathogenesis of atherosclerosis. The aim of this study was to investigate classical (adiponectin, leptin, resistin) and new (chemerin, vaspin, omentin) adipocytokine levels in subjects with prediabetes [impaired fasting glucose (IFG) and/or impaired glucose tolerance (IGT)] and obese subjects with normoglycemia...
January 15, 2018: Hormone Molecular Biology and Clinical Investigation
https://www.readbyqxmd.com/read/29331535/estrogen-deprivation-aggravates-cardiometabolic-dysfunction-in-obese-insulin-resistant-rats-through-the-impairment-of-cardiac-mitochondrial-dynamics
#15
Wanitchaya Minta, Siripong Palee, Duangkamol Mantor, Wissuta Sutham, Thidarat Jaiwongkum, Sasiwan Kerdpoo, Wasana Pratchayasakul, Sirinart Kumfu, Siriporn C Chattipakorn, Nipon Chattipakorn
The incidence of cardiovascular disease and metabolic syndrome increases after the onset of menopause, suggesting estrogen has a vital role in their prevention. Mitochondrial dynamics are known to play an important role in the maintenance of cardiac physiological function. However, the effects of estrogen deprivation on cardiometabolic status and cardiac mitochondrial dynamics under conditions of obese-insulin resistance have never been investigated. We hypothesized that estrogen deprivation aggravates cardiac dysfunction through increased cardiac mitochondrial fission in obese-insulin resistant rats...
January 10, 2018: Experimental Gerontology
https://www.readbyqxmd.com/read/29330930/gender-specific-risk-factors-for-androgenetic-alopecia-in-the-korean-general-population-associations-with-medical-comorbidities-and-general-health-behaviors
#16
Bo-Kyung Kim, Sung Jay Choe, Hee-Chul Chung, Sung-Soo Oh, Won-Soo Lee
BACKGROUND: The relationships between androgenetic alopecia (AGA) and various factors related to metabolic syndrome have been demonstrated in previous studies. However, it remains unclear because of inconsistent results. We investigated the associations between AGA and various risk factors related to metabolic syndrome according to gender. METHODS: We conducted a population-based cross-sectional survey of 2028 Koreans (1050 men, 978 women). The basic and specific (BASP) classification was used for diagnosis of AGA...
February 2018: International Journal of Dermatology
https://www.readbyqxmd.com/read/29330372/non-estrogenic-xanthohumol-derivatives-mitigate-insulin-resistance-and-cognitive-impairment-in-high-fat-diet-induced-obese-mice
#17
Cristobal L Miranda, Lance A Johnson, Oriane de Montgolfier, Valerie D Elias, Lea S Ullrich, Joshua J Hay, Ines L Paraiso, Jaewoo Choi, Ralph L Reed, Johana S Revel, Chrissa Kioussi, Gerd Bobe, Urszula T Iwaniec, Russell T Turner, Benita S Katzenellenbogen, John A Katzenellenbogen, Paul R Blakemore, Adrian F Gombart, Claudia S Maier, Jacob Raber, Jan F Stevens
Xanthohumol (XN), a prenylated flavonoid from hops, improves dysfunctional glucose and lipid metabolism in animal models of metabolic syndrome (MetS). However, its metabolic transformation into the estrogenic metabolite, 8-prenylnaringenin (8-PN), poses a potential health concern for its use in humans. To address this concern, we evaluated two hydrogenated derivatives, α,β-dihydro-XN (DXN) and tetrahydro-XN (TXN), which showed negligible affinity for estrogen receptors α and β, and which cannot be metabolically converted into 8-PN...
January 12, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29329999/understanding-melanocortin-4-receptor-control-of-neuronal-circuits-toward-novel-therapeutics-for-obesity-syndrome
#18
REVIEW
Sang Hyeon Ju, Gyu-Bon Cho, Jong-Woo Sohn
It is well known that melanocortin-4 receptors (MC4Rs) and central melanocortin pathways regulate food intake, energy expenditure, and glucose homeostasis. Importantly, MC4R deficiency is the most common monogenic cause of human obesity. Interestingly, MC4Rs expressed by distinct central nuclei are responsible for the different physiological function of MC4R stimulation. In addition, MC4Rs activate multiple intracellular and/or synaptic signaling molecules for the regulation of neuronal circuits. Therefore, MC4Rs and the downstream signal molecules are plausible targets for development of novel therapeutics against obesity and obesity-related metabolic disorders...
January 9, 2018: Pharmacological Research: the Official Journal of the Italian Pharmacological Society
https://www.readbyqxmd.com/read/29329105/daily-sitting-time-associated-with-the-risk-of-metabolic-syndrome-in-korean-adolescents
#19
Ki Nam Bae, Hye Ryun Kim, Young-Jun Rhie, Kee-Hyoung Lee, Hyo-Kyoung Nam
BACKGROUND: This study aimed to investigate the relationship between daily sitting time and the risk of metabolic syndrome in Korean adolescents. METHODS: Data from 486 adolescents aged 12-18 years were obtained from national surveys. Daily sitting time was measured using questionnaires and divided into three intervals: <8 h; 8-12 h; and ≥12 h. RESULTS: The mean daily sitting time and prevalence of positive metabolic components were 620...
January 12, 2018: Journal of Pediatric Endocrinology & Metabolism: JPEM
https://www.readbyqxmd.com/read/29328039/influence-of-metabolic-syndrome-on-condition-of-microcirculatory-bed-of-oral-cavity
#20
O Denga, T Pyndus, V Gargin, S Schneider
Metabolic syndrome (MS) can be characterized as the clustering of combination of impaired glucose regulation, metabolic disorders accompanied by abdominal obesity, hyperglycemia, high blood pressure and dyslipidemia. Detection of changes in microcirculatory bed (MCB) of oral cavity in metabolic syndrome could be important for completion of gap for developing of adequate therapeutical measure for prevention of pathological periodontal disorder that was the purpose of our study. We performed experimental investigation with modulation of MS (on white male rats 1...
December 2017: Georgian Medical News
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