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diabetes obesity hormones

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https://www.readbyqxmd.com/read/28445413/identification-of-highly-specific-scfvs-against-total-adiponectin-for-diagnostic-purposes
#1
Peter Wilton, Michael Steidel, Gabriele Krczal, Iris Hermanns, Andreas Pfützner, Alisa Konnerth, Kajohn Boonrod
Adiponectin is one of the most abundant adipokines secreted from adipose tissue. It acts as an endogenous insulin sensitizer and plasma concentrations are inversely correlated with obesity and metabolic syndrome. A decrease in plasma adiponectin levels normally indicates increased hormonal activity of the visceral lipid tissue, which is associated with decreased insulin sensitivity. It may therefore be considered a valuable biomarker for elucidating the underlying deteriorations resulting in type 2 diabetes and macrovascular disease...
April 26, 2017: Biology
https://www.readbyqxmd.com/read/28440775/epidemiological-bases-and-molecular-mechanisms-linking-obesity-diabetes-and-cancer
#2
María Gutiérrez-Salmerón, Ana Chocarro-Calvo, José Manuel García-Martínez, Antonio de la Vieja, Custodia García-Jiménez
The association between diabetes and cancer was hypothesized almost one century ago. Today, a vast number of epidemiological studies support that obese and diabetic populations are more likely to experience tissue-specific cancers, but the underlying molecular mechanisms remain unknown. Obesity, diabetes, and cancer share many hormonal, immune, and metabolic changes that may account for the relationship between diabetes and cancer. In addition, antidiabetic treatments may have an impact on the occurrence and course of some cancers...
February 2017: Endocrinol Diabetes Nutr
https://www.readbyqxmd.com/read/28436331/lep-expression-and-its-role-in-obesity-and-type-2-diabetes
#3
Muhammad Imran Qadir, Zara Ahmed
Obesity is metabolic disorder that increases the risk of diabetes, heart disease, and other metabolic syndromes in human beings. One sign of diabetes is increased blood glucose levels in the body. Glucose levels increase due to problems with insulin secretion or insulin resistance. Maturity onset of diabetes of the young is more common in adults and occurs due to insulin resistance. Both diabetes and obesity are major problems that are responsible for the death of millions of individuals every year, worldwide...
2017: Critical Reviews in Eukaryotic Gene Expression
https://www.readbyqxmd.com/read/28434196/role-of-gut-microbiota-bile-acids-and-their-crosstalk-in-the-effects-of-bariatric-surgery-on-obesity-and-type-2-diabetes
#4
Haijun Liu, Cheng Hu, Xueli Zhang, Weiping Jia
Type 2 diabetes mellitus is becoming increasingly prevalent worldwide and has become one of the greatest threats to global health. Bariatric surgery was initially designed to achieve weight loss and subsequently was noted to induce improvements or remission of type 2 diabetes. Currently, these bariatric operations such as Roux-en-Y gastric bypass (RYGB) and sleeve gastrectomy (SG) are the most effective procedures for the treatment of obesity and type 2 diabetes mellitus worldwide. However, the specific mechanism mediating the beneficial effects of metabolic surgery has remained largely unknown...
April 23, 2017: Journal of Diabetes Investigation
https://www.readbyqxmd.com/read/28431559/effects-of-whole-grain-rye-with-and-without-resistant-starch-type-2-supplementation-on-glucose-tolerance-gut-hormones-inflammation-and-appetite-regulation-in-an-11-14-5%C3%A2-hour-perspective-a-randomized-controlled-study-in-healthy-subjects
#5
Jonna C Sandberg, Inger M E Björck, Anne C Nilsson
BACKGROUND: The prevalence of obesity is increasing worldwide and prevention is needed. Whole grain has shown potential to lower the risk of obesity, cardiovascular disease and type 2 diabetes. One possible mechanism behind the benefits of whole grain is the gut fermentation of dietary fiber (DF), e.g. non-starch polysaccharides and resistant starch (RS), in whole grain. The purpose of the study is to investigate the effect of whole grain rye-based products on glucose- and appetite regulation...
April 21, 2017: Nutrition Journal
https://www.readbyqxmd.com/read/28429532/neu1-sialidase-interacts-with-perilipin-1-on-lipid-droplets-and-inhibits-lipolysis-in-3t3-l1-adipocytes
#6
Yujin Natori, Miwako Nasui, Fumiko Kihara-Negishi
Fatty acids are stored within adipocytes in lipid droplets (LDs) as triacylglycerol (TG), which is converted to free fatty acid (FFA) and glycerol via lipolysis. Increased plasma FFA levels in obesity are associated with several clinical conditions. We previously found that Neu1 activity is aberrant in the epididymal fat and liver of obese and diabetic mice. Here, we examined involvement of Neu1 in lipolysis in 3T3-L1 adipocytes. Small interfering RNA against Neu1 was introduced into adipocytes, and glycerol concentrations were measured in the culture medium...
April 21, 2017: Genes to Cells: Devoted to Molecular & Cellular Mechanisms
https://www.readbyqxmd.com/read/28428027/fructose-intervention-for-12-weeks-does-not-impair-glycemic-control-or-incretin-hormone-responses-during-oral-glucose-or-mixed-meal-tests-in-obese-men
#7
N Matikainen, S Söderlund, E Björnson, L H Bogl, K H Pietiläinen, A Hakkarainen, N Lundbom, B Eliasson, S M Räsänen, A Rivellese, L Patti, A Prinster, G Riccardi, J-P Després, N Alméras, J J Holst, C F Deacon, J Borén, M-R Taskinen
BACKGROUND AND AIMS: Incretin hormones glucagon-like peptide (GLP)-1 and glucose-dependent insulinotropic polypeptide (GIP) are affected early on in the pathogenesis of metabolic syndrome and type 2 diabetes. Epidemiologic studies consistently link high fructose consumption to insulin resistance but whether fructose consumption impairs the incretin response remains unknown. METHODS AND RESULTS: As many as 66 obese (BMI 26-40 kg/m(2)) male subjects consumed fructose-sweetened beverages containing 75 g fructose/day for 12 weeks while continuing their usual lifestyle...
March 18, 2017: Nutrition, Metabolism, and Cardiovascular Diseases: NMCD
https://www.readbyqxmd.com/read/28416368/nutritional-management-in-women-with-polycystic-ovary-syndrome-a-review-study
#8
REVIEW
Zeinab Faghfoori, Siavash Fazelian, Mahdi Shadnoush, Reza Goodarzi
Polycystic ovary syndrome (PCOS) is endocrine disorder in women of reproductive age, which leads to reproductive, hormonal and metabolic abnormalities. Due to the presence of insulin resistance, PCOS increases the risk of chronic diseases like type 2 diabetes, hypertension, lipid disorders, cardiovascular diseases and malignancies such as breast and endometrial cancer. The actual cause of this syndrome is unknown but environmental factors such as dietary habits play an important role in prevention and treatment and lifestyle modifications are the most important therapeutic strategies in these patients...
April 5, 2017: Diabetes & Metabolic Syndrome
https://www.readbyqxmd.com/read/28409493/obesity-in-pregnancy-a-novel-concept-on-the-roles-of-adipokines-in-uterine-contractility
#9
REVIEW
Judit Hajagos-Tóth, Eszter Ducza, Reza Samavati, Sandor G Vari, Robert Gaspar
Obesity is a global health problem even among pregnant women. Obesity alters quality of labor, such as preterm labor, prolonged labor, and higher oxytocin requirements in pregnant women. The most important factors to play a role in the altered gestational period and serve as drug targets to treat the consequences are female sexual hormones, calcium channels, adrenergic system, oxytocin, and prostaglandins. However, we have limited information about the impact of obesity on the pregnant uterine contractility and gestation time...
April 14, 2017: Croatian Medical Journal
https://www.readbyqxmd.com/read/28409320/vitamin-d-sub-inflammation-and-insulin-resistance-a-window-on-a-potential-role-for-the-interaction-between-bone-and-glucose-metabolism
#10
REVIEW
Stefania Giuliana Garbossa, Franco Folli
Vitamin D is a key hormone involved in the regulation of calcium/phosphorous balance and recently it has been implicated in the pathogenesis of sub-inflammation, insulin resistance and obesity. The two main forms of vitamin D are cholecalciferol (Vitamin D3) and ergocalciferol (Vitamin D2): the active form (1,25-dihydroxyvitamin D) is the result of two hydroxylations that take place in liver, kidney, pancreas and immune cells. Vitamin D increases the production of some anti-inflammatory cytokines and reduces the release of some pro-inflammatory cytokines...
April 13, 2017: Reviews in Endocrine & Metabolic Disorders
https://www.readbyqxmd.com/read/28398659/hypaphorine-an-indole-alkaloid-isolated-from-caragana-korshinskii-kom-inhibites-3t3-l1-adipocyte-differentiation-and-improves-insulin-sensitivity-in-vitro
#11
Guangxiang Luan, Fangfang Tie, Zhenzhen Yuan, Gang Li, Jie He, Zhenhua Wang, Honglun Wang
Obesity, a major health problem worldwide, is a complex multifactorial chronic disease that increases the risk for insulin resistance, type 2 diabetes, coronary heart disease and hypertension. In this study, we assessed methods to isolate hypaphorine, a potent drug candidate for obesity and insulin resistance. Semi-preparative reversed-phase liquid chromatography (semi-preparative RPLC) was established as a method to separate three compounds, adenosine, L-tryptophan and hypaphorine, from the crude extracts of Caragana korshinskii Kom...
April 11, 2017: Chemistry & Biodiversity
https://www.readbyqxmd.com/read/28397097/blood-brain-barriers-in-obesity
#12
Elizabeth M Rhea, Therese S Salameh, Aric F Logsdon, Angela J Hanson, Michelle A Erickson, William A Banks
After decades of rapid increase, the rate of obesity in adults in the USA is beginning to slow and the rate of childhood obesity is stabilizing. Despite these improvements, the obesity epidemic continues to be a major health and financial burden. Obesity is associated with serious negative health outcomes such as cardiovascular disease, type II diabetes, and, more recently, cognitive decline and various neurodegenerative dementias such as Alzheimer's disease. In the past decade, major advancements have contributed to the understanding of the role of the central nervous system (CNS) in the development of obesity and how peripheral hormonal signals modulate CNS regulation of energy homeostasis...
April 10, 2017: AAPS Journal
https://www.readbyqxmd.com/read/28396144/supplementation-of-diet-with-galacto-oligosaccharides-increases-bifidobacteria-but-not-insulin-sensitivity-in-obese-prediabetic-individuals
#13
Emanuel E Canfora, Christina M van der Beek, Gerben D A Hermes, Gijs H Goossens, Johan W E Jocken, Jens J Holst, Hans M van Eijk, Koen Venema, Hauke Smidt, Erwin G Zoetendal, Cornelis H C Dejong, Kaatje Lenaerts, Ellen E Blaak
BACKGROUND & AIMS: The gut microbiota affects host lipid and glucose metabolism, satiety, and chronic low-grade inflammation to contribute to obesity and type 2 diabetes. Fermentation end products, in particular the short-chain fatty acid (SCFA) acetate, are believed to be involved in these processes. We investigate the long-term effects of supplementation with galacto-oligosaccharides (GOS), an acetogenic fiber, on the composition of the human gut microbiota and human metabolism. METHODS: We performed a double-blinded, placebo-controlled, parallel intervention study of 44 overweight or obese (body mass index, 28-40 kg/m2) prediabetic men and women (ages, 45-70 years) from October 2014 through October 2015 in Maastricht, The Netherlands...
April 7, 2017: Gastroenterology
https://www.readbyqxmd.com/read/28392404/a-global-perspective-on-foxo1-in-lipid-metabolism-and-lipid-related-diseases
#14
REVIEW
Yue Li, Zhiqiang Ma, Shuai Jiang, Wei Hu, Tian Li, Shouyin Di, Dongjin Wang, Yang Yang
Lipid metabolism is a complex physiological process that is involved in nutrient adjustment, hormone regulation, and homeostasis. An unhealthy lifestyle and chronic nutrient overload can cause lipid metabolism disorders, which may lead to serious lipid-related diseases, including obesity, non-alcoholic fatty liver disease (NAFLD), and type 2 diabetes mellitus (T2DM). Therefore, tools for preventing dysfunctional lipid metabolism are urgently needed. The transcription factor forkhead box protein O1 (FOXO1) is involved in lipid metabolism and plays a critical role in the development of lipid-related diseases...
April 6, 2017: Progress in Lipid Research
https://www.readbyqxmd.com/read/28388573/amsh-prevents-ros-induced-apoptosis-by-inhibiting-foxo1-mtorc2-in-mice-adipose-tissue
#15
Weina Cao, Meihang Li, Tianjiao Wu, Fei Feng, Tongying Feng, Yang Xu, Chao Sun
Alpha-melanocyte stimulating hormone (αMSH) is an important adenohypophysis polypeptide hormone that regulates body metabolic status. To date, it is well known that the disorder of hypothalamic αMSH secretion is related to many metabolic diseases, such as obesity and type II diabetes. However, the underlying mechanisms are poorly understood. In our study, we focused on the reactive oxygen species (ROS)-induced adipocyte apoptosis and tried to unveil the role of αMSH in this process and the signal pathway which αMSH acts through...
March 27, 2017: Oncotarget
https://www.readbyqxmd.com/read/28384340/parathyroid-hormone-and-vitamin-d-are-associated-with-the-risk-of-metabolic-obesity-in-a-middle-aged-and-older-korean-population-with-preserved-renal-function-a-cross-sectional-study
#16
Jeonghoon Ha, Kwanhoon Jo, Dong-Jun Lim, Jung-Min Lee, Sang-Ah Chang, Moo I L Kang, Bong Yun Cha, Min-Hee Kim
BACKGROUND: In general, obesity is a major contributor to metabolic syndrome (MetS) and is associated with insulin resistance (IR). Metabolically obese but normal weight (MONW) individuals present metabolic abnormalities and features of MetS despite having a normal range of body mass index (BMI). In recent years, different subtypes of obesity have been introduced, including metabolically healthy obese (MHO) and metabolically obese obese (MOO). Also, it has been reported that vitamin D and parathyroid hormone (PTH) are possibly linked with MetS...
2017: PloS One
https://www.readbyqxmd.com/read/28384333/relationship-between-sleep-parameters-insulin-resistance-and-age-adjusted-insulin-like-growth-factor-1-score-in-non-diabetic-older-patients
#17
Sarah Damanti, Olivier Bourron, Mohamed Doulazmi, Anne-Laure Mandengue Sosso, Vi-Huong Nguyen-Michel, Jean Mariani, Kiyoka Kinugawa
BACKGROUND: Sleep complaints are prevalent in older patients. Sleepiness, short or long sleep duration and obstructive sleep apnea (OSA) are associated with insulin resistance (IR). These parameters have not yet been considered together in the same study exploring the possible association between IR and sleep in older patients. IR is involved in cardiovascular and metabolic diseases, pathologies which are highly prevalent in older patients. Here we assess, in older non-diabetic patients with sleep complaints, the associations between IR and sleep parameters objectively recorded by polysomnography (PSG) rather than self-report...
2017: PloS One
https://www.readbyqxmd.com/read/28374855/fibroblast-growth-factor-21-assisted-by-elevated-glucose-activates-paraventricular-nucleus-nucb2-nesfatin-1-neurons-to-produce-satiety-under-fed-states
#18
Putra Santoso, Masanori Nakata, Kazuhiro Shiizaki, Zhang Boyang, Kumari Parmila, Zesemdorj Otgon-Uul, Koshi Hashimoto, Tetsurou Satoh, Masatomo Mori, Makoto Kuro-O, Toshihiko Yada
Fibroblast growth factor 21 (FGF21), liver-derived hormone, exerts diverse metabolic effects, being considered for clinical application to treat obesity and diabetes. However, its anorexigenic effect is debatable and whether it involves the central mechanism remains unclarified. Moreover, the neuron mediating FGF21's anorexigenic effect and the systemic energy state supporting it are unclear. We explored the target neuron and fed/fasted state dependence of FGF21's anorexigenic action. Intracerebroventricular (ICV) injection of FGF21 markedly suppressed food intake in fed mice with elevated blood glucose...
April 4, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28374068/light-at-night-acutely-impairs-glucose-tolerance-in-a-time-intensity-and-wavelength-dependent-manner-in-rats
#19
Anne-Loes Opperhuizen, Dirk J Stenvers, Remi D Jansen, Ewout Foppen, Eric Fliers, Andries Kalsbeek
AIMS/HYPOTHESIS: Exposure to light at night (LAN) has increased dramatically in recent decades. Animal studies have shown that chronic dim LAN induced obesity and glucose intolerance. Furthermore, several studies in humans have demonstrated that chronic exposure to artificial LAN may have adverse health effects with an increased risk of metabolic disorders, including type 2 diabetes. It is well-known that acute exposure to LAN affects biological clock function, hormone secretion and the activity of the autonomic nervous system, but data on the effects of LAN on glucose homeostasis are lacking...
April 3, 2017: Diabetologia
https://www.readbyqxmd.com/read/28371297/the-differential-plasma-proteome-of-obese-and-overweight-individuals-undergoing-a-nutritional-weight-loss-and-maintenance-intervention
#20
Sergio Oller Moreno, Ornella Cominetti, Antonio Núñez Galindo, Irina Irincheeva, John Corthésy, Arne Astrup, Wim H M Saris, Jörg Hager, Martin Kussmann, Loïc Dayon
PURPOSE: The nutritional intervention program "DiOGenes" focuses on how obesity can be prevented and treated from a dietary perspective. We generated differential plasma proteome profiles in the DiOGenes cohort to identify proteins associated with weight loss and maintenance and explore their relation to body mass index, fat mass, insulin resistance and sensitivity. EXPERIMENTAL DESIGN: Relative protein quantification was obtained at baseline and after combined weight loss/maintenance phases using isobaric tagging and MS/MS...
March 29, 2017: Proteomics. Clinical Applications
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