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https://www.readbyqxmd.com/read/28445838/addition-of-insulin-like-growth-factor-i-to-the-maturation-medium-of-bovine-oocytes-subjected-to-heat-shock-effects-on-the-production-of-reactive-oxygen-species-mitochondrial-activity-and-oocyte-competence
#1
I J Ascari, N G Alves, J Jasmin, R R Lima, C C R Quintão, G Oberlender, E A Moraes, L S A Camargo
This study was performed to investigate the effects of insulin-like growth factor-I (IGF-I) addition to in vitro maturation (IVM) medium on apoptosis, mitochondrial membrane potential, ROS production, and developmental competence of bovine oocytes subjected to heat shock. Two temperatures (conventional: 24 h at 38.5°C, or heat shock: 12 h at 41°C followed by 12 h at 38.5°C) and 3 IGF-I concentrations (0, 25, and 100 ng/mL) were tested during IVM. The oocytes were then fertilized in vitro, and the presumptive zygotes were cultured until reaching the blastocyst stage...
March 25, 2017: Domestic Animal Endocrinology
https://www.readbyqxmd.com/read/28445831/carotenoids-in-the-treatment-of-diabetes-mellitus-and-its-complications-a-mechanistic-review
#2
REVIEW
Ali Roohbakhsh, Gholamreza Karimi, Mehrdad Iranshahi
Carotenoids are a large class of natural antioxidants that occur in many vegetables, foods and other natural sources. To date, a large number of biological properties have been reported from carotenoids, particularly protective effects against diabetes mellitus (DM), cancer, and neurodegenerative, metabolic and cardiovascular diseases. However, recent studies including clinical evidences, have shown that carotenoids play a role in the treatment of diabetes via enhancing insulin sensitivity. They are also able to protect the body from long-term consequences of diabetes including infectious diseases, nephropathy, neuronal and eye abnormalities...
April 23, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28445766/inhibitory-effect-of-emulsifiers-in-sedds-on-protease-activity-just-an-illusion
#3
Noemi Lupo, Una Fidahic, Gergely Hetényi, Janine Griesser, Andreas Bernkop-Schnürch
AIM: Evaluation of inhibitory effect of emulsifiers on pancreatic trypsin and α-chymotrypsin. METHODS: The inhibitory effect of Cremophor EL, Cremophor RH 40, Brij O10, Tween 20, polyethylene glycol 8000, polyethylene glycol 400, Carbitol, Pemulen TR-1, Pemulen TR-2, Carbopol Ultrez 20 and Carbopol Ultrez 21 on pancreatic trypsin and α-chymotrypsin was tested. BAEE (Nα-Benzoyl-L-arginine ethyl ester), BTEE (N-Benzoyl-L-tyrosine ethyl ester), casein and insulin were used as substrates for trypsin and α-chymotrypsin...
April 23, 2017: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/28445749/equilibrium-ensembles-for-insulin-folding-from-bias-exchange-metadynamics
#4
Richa Singh, Rohit Bansal, Anurag Singh Rathore, Gaurav Goel
Earliest events in the aggregation process, such as single molecule reconfiguration, are extremely important and the most difficult to characterize in experiments. To this end, we have used well-tempered bias exchange metadynamics simulations to determine the equilibrium ensembles of an insulin molecule under amyloidogenic conditions of low pH and high temperature. A bin-based clustering method that uses statistics accumulated in bias exchange metadynamics trajectories was employed to construct a detailed thermodynamic and kinetic model of insulin folding...
April 25, 2017: Biophysical Journal
https://www.readbyqxmd.com/read/28445528/baicalein-protects-rat-insulinoma-ins-1-cells-from-palmitate-induced-lipotoxicity-by-inducing-ho-1
#5
Hyun Jeong Kwak, Dongki Yang, Yongha Hwang, Hee-Sook Jun, Hyae Gyeong Cheon
OBJECTIVE: β-Cell dysfunction plays a central role in the pathogenesis of type 2 diabetes (T2D), and the identification of novel approaches to improve β-cell function is essential to treat this disease. Baicalein, a flavonoid originally isolated from the root of Scutellaria Baicalensis, has been shown to have beneficial effects on β-cell function. Here, the authors investigated the molecular mechanism responsible for the protective effects of baicalein against palmitate (PA)-induced impaired β-cell function, and placed focus on the role of heme oxygenase (HO)-1...
2017: PloS One
https://www.readbyqxmd.com/read/28445520/serum-irisin-levels-correlated-to-peritoneal-dialysis-adequacy-in-nondiabetic-peritoneal-dialysis-patients
#6
Zhijun Tan, Zengchun Ye, Jun Zhang, Yanru Chen, Cailian Cheng, Cheng Wang, Xun Liu, Tanqi Lou, Hui Peng
BACKGROUND: Irisin is a recently discovered myokine thought to be involved in multiple metabolism abnormalities in most dialysis patients. However, the myokine has not been thoroughly studied in peritoneal dialysis. This study aimed to evaluate serum irisin levels and establish their relation to dialysis adequacy, insulin resistance, and bone metabolism status in patients on peritoneal dialysis. METHODS: A total of 59 nondiabetic prevalent peritoneal dialysis patients and 52 age- and sex-matched healthy controls were enrolled in this cross-sectional study...
2017: PloS One
https://www.readbyqxmd.com/read/28445487/bmt-decreases-hfd-induced-weight-gain-associated-with-decreased-preadipocyte-number-and-insulin-secretion
#7
Saeed Katiraei, Lisa R Hoving, Lianne van Beek, Sharida Mohamedhoesein, Françoise Carlotti, Janna A van Diepen, Patrick C N Rensen, Mihai G Netea, Ko Willems van Dijk, Jimmy F P Berbée, Vanessa van Harmelen
Experimental bone marrow transplantation (BMT) in mice is commonly used to assess the role of immune cell-specific genes in various pathophysiological settings. The application of BMT in obesity research is hampered by the significant reduction in high-fat diet (HFD)-induced obesity. We set out to characterize metabolic tissues that may be affected by the BMT procedure and impair the HFD-induced response. Male C57BL/6 mice underwent syngeneic BMT using lethal irradiation. After a recovery period of 8 weeks they were fed a low-fat diet (LFD) or HFD for 16 weeks...
2017: PloS One
https://www.readbyqxmd.com/read/28445413/identification-of-highly-specific-scfvs-against-total-adiponectin-for-diagnostic-purposes
#8
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/28445389/fructose-glucocorticoids-and-adipose-tissue-implications-for-the-metabolic-syndrome
#9
REVIEW
Balázs Legeza, Paola Marcolongo, Alessandra Gamberucci, Viola Varga, Gábor Bánhegyi, Angiolo Benedetti, Alex Odermatt
The modern Western society lifestyle is characterized by a hyperenergetic, high sugar containing food intake. Sugar intake increased dramatically during the last few decades, due to the excessive consumption of high-sugar drinks and high-fructose corn syrup. Current evidence suggests that high fructose intake when combined with overeating and adiposity promotes adverse metabolic health effects including dyslipidemia, insulin resistance, type II diabetes, and inflammation. Similarly, elevated glucocorticoid levels, especially the enhanced generation of active glucocorticoids in the adipose tissue due to increased 11β-hydroxysteroid dehydrogenase 1 (11β-HSD1) activity, have been associated with metabolic diseases...
April 26, 2017: Nutrients
https://www.readbyqxmd.com/read/28445310/diagnostic-accuracy-of-serum-alanine-aminotransferase-as-biomarker-for-nonalcoholic-fatty-liver-disease-and-insulin-resistance-in-healthy-subjects-using-3t-mr-spectroscopy
#10
Jose Luis Martin-Rodriguez, Jorge Gonzalez-Cantero, Alvaro Gonzalez-Cantero, Juan Pedro Arrebola, Jorge Luis Gonzalez-Calvin
Recognition of the close relationship of nonalcoholic fatty liver disease (NAFLD) with diabetes mellitus 2, obesity, metabolic syndrome, and cardiovascular disease has stimulated growing interest in NAFLD as a public health problem. Serum alanine aminotransferase (ALT) has been proposed as a marker of NAFLD, but levels are within the range currently considered "normal" in a large proportion of NAFLD subjects.The aim of the study was to determine the diagnostic accuracy of serum ALT for identifying individuals with NAFLD, using 3-Tesla (T) magnetic resonance spectroscopy (H-MRS)...
April 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28445156/dietary-capsaicin-and-antibiotics-act-synergistically-to-reduce-non-alcoholic-fatty-liver-disease-induced-by-high-fat-diet-in-mice
#11
Jingjuan Hu, Haihua Luo, Yong Jiang, Peng Chen
The prevalence of non-alcoholic fatty liver disease is increasing rapidly worldwide. However, effective strategies for combating high-fat diet (HFD) induced obesity, fatty liver and metabolic disorder are still limited, and outcomes remain poor. In the present study, we evaluated the combined actions of dietary capsaicin and antibiotics on HFD-induced physiological abnormalities in mice. C57BL/6 male mice were fed with HFD (60% calories from fat) for 17 weeks, and the resultant pathophysiological effects were examined...
April 8, 2017: Oncotarget
https://www.readbyqxmd.com/read/28444853/experimental-type-2-diabetes-induction-reduces-serum-vaspin-but-not-serum-omentin-in-wistar-rats
#12
Cynthia Aparecida de Castro, Karina Ana da Silva, Marina Molina Buffo, Karina Nogueira Zambone Pinto, Fernanda de Oliveira Duarte, Keico Okino Nonaka, Fernanda de Freitas Aníbal, Ana Cláudia Garcia de Oliveira Duarte
Vaspin and omentin are adipose tissue adipokines that have often been related to obesity and its comorbidities. The aim of this study was to investigate the behaviour of serum omentin and vaspin in models of type 2 diabetes. To do this, Wistar rats (~200 g) were randomly divided into two groups: a non-diabetic group (n = 6) and a diabetic group fed on a high-fat diet (n = 6) and a low dose of streptozotocin (Sigma(®) ). All procedures were approved by the Brazilian Ethics Committee. Body weight (BW) and food intake were recorded daily...
April 25, 2017: International Journal of Experimental Pathology
https://www.readbyqxmd.com/read/28444660/effects-of-cycling-and-exergaming-on-neurotrophic-factors-in-elderly-type-2-diabetic-men-a-preliminary-investigation
#13
Christian Brinkmann, Leonie Schäfer, Magd Masoud, Joachim Latsch, Daniel Lay, Wilhelm Bloch, Klara Brixius
Patients with type 2 diabetes mellitus (T2DM) are at increased risk of developing neurodegenerative diseases. There is growing evidence that repeated exercise-induced transient increases in neurotrophic factors can augment neurogenesis and neuroplasticity. This pilot study compares the effects of 30-min submaximal cycling with those of exergaming (combining exercise and video gaming) at the same duration and same rating of perceived exertion (BORG RPE: 14-15) on serum neurotrophic factors in 8 elderly non-insulin-dependent T2DM patients (71±4 years) (2×2 crossover design)...
April 25, 2017: Experimental and Clinical Endocrinology & Diabetes
https://www.readbyqxmd.com/read/28444534/metabolic-factors-anthropometric-measures-diet-and-physical-activity-in-long-term-breast-cancer-survivors-change-from-diagnosis-and-comparison-to-non-breast-cancer-controls
#14
Ana Elisa Lohmann, Marguerite Ennis, Sara K Taylor, Pamela J Goodwin
PURPOSE: We studied metabolic factors, diabetes, and anthropometric measurements at diagnosis and long-term follow-up (LTFU), mean 12.5 years post-diagnosis, in breast cancer (BC) survivors, and compared their status at LTFU to that of age-matched women without BC. Diet and physical activity were also assessed. METHOD: 535 non-diabetic BC patients treated at three University of Toronto hospitals were followed prospectively; 285 surviving patients, without distant recurrence, participated in a LTFU study...
April 25, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28444472/the-effect-of-sodium-glucose-co-transporter-2-sglt-2-inhibitors-on-cardiometabolic-profile-beyond-the-hypoglycaemic-action
#15
Eirini Lioudaki, Emmanouil S Androulakis, Martin Whyte, Konstantinos G Stylianou, Eugenios K Daphnis, Emmanouil S Ganotakis
Type 2 diabetes mellitus (T2DM) has growing prevalence worldwide and major clinical implications, chiefly cardiovascular (CV) and renal disease burden. Sodium-glucose co-transporter (SGLT)-2 inhibitors are a new drug class in the management of T2DM with a mechanism of action independent of insulin. In addition to their hypoglycaemic effect, SGLT-2 inhibitors appear to have haemodynamic and nephroprotective effects. Studies have consistently showed a modest but significant blood pressure (BP) reduction. Metabolic benefits are also attributed to SGLT-2 inhibitors with a modest but consistent body weight decrease recorded along with improvements in lipid profile and uric acid levels...
April 25, 2017: Cardiovascular Drugs and Therapy
https://www.readbyqxmd.com/read/28444441/the-activity-of-the-rectal-gland-of-the-north-pacific-spiny-dogfish-squalus-suckleyi-is-glucose-dependent-and-stimulated-by-glucagon-like-peptide-1
#16
Courtney A Deck, W Gary Anderson, J Michael Conlon, Patrick J Walsh
Elasmobranchs possess a specialised organ, the rectal gland, which is responsible for excreting sodium chloride via the posterior intestine. Previous work has indicated that the gland may be activated by a number of hormones, some of which are likely related to the salt or volume loads associated with feeding. Furthermore, evidence exists for the gland being glucose dependent which is atypical for an elasmobranch tissue. In this study, the presence of sodium-glucose co-transporters (SGLTs) in the rectal gland and their regulation by feeding were investigated...
April 25, 2017: Journal of Comparative Physiology. B, Biochemical, Systemic, and Environmental Physiology
https://www.readbyqxmd.com/read/28443804/25-oh-d-levels-in-relation-to-gender-overweight-insulin-resistance-and-inflammation-in-a-cross-sectional-cohort-of-northern-italian-workers-evidence-in-support-of-preventive-health-care-programs
#17
Luisella Vigna, Letizia Cassinelli, Amedea Silvia Tirelli, Irene Felicetta, Filomena Napolitano, Laura Tomaino, Michela Mutti, Claudia Eleonora Barberi, Luciano Riboldi
OBJECTIVE: In recent years, the welfare of workers and the prevention of chronic disabling diseases has become a topic of great interest. This study investigates serum levels of total 25-hydroxyvitamin D (25(OH)D) in a cohort of overweight-obese and insulin-resistant northern Italian indoor workers in apparent good health followed a nutritional education program. METHODS: An observational cross-sectional study on 385 patients (females = 291, males = 94), age range 18-69 years and body mass index (BMI) > 25 kg/m(2), was performed at the Department of Occupational Medicine Milan, Italy, latitude 45...
April 26, 2017: Journal of the American College of Nutrition
https://www.readbyqxmd.com/read/28443718/crosstalk-between-bone-and-fat-tissue-associations-between-vitamin-d-osteocalcin-adipokines-and-markers-of-glucose-metabolism-among-adolescents
#18
Kelly Virecoulon Giudici, Regina Mara Fisberg, Dirce Maria Lobo Marchioni, Bárbara Santarosa Emo Peters, Lígia Araújo Martini
OBJECTIVES: This study aimed to investigate the relationship between 25-hydroxyvitamin D (25(OH)D), osteocalcin, markers of glucose metabolism, and obesity-related parameters among adolescents. METHODS: This was a cross-sectional study with 198 adolescents age 14-18 years. Weight, height, and waist and hip circumferences were measured, as well as the following biochemical parameters: serum 25(OH)D, parathyroid hormone (PTH), total (tOC) and undercarboxylated (ucOC) osteocalcin, adiponectin, leptin, glucose, and insulin...
April 26, 2017: Journal of the American College of Nutrition
https://www.readbyqxmd.com/read/28443702/turmeric-supplementation-improves-serum-glucose-indices-and-leptin-levels-in-patients-with-nonalcoholic-fatty-liver-diseases
#19
Roya Navekar, Maryam Rafraf, Aida Ghaffari, Mohammad Asghari-Jafarabadi, Manouchehr Khoshbaten
OBJECTIVE: Insulin and leptin resistance are important risk factors for non-alcoholic fatty liver disease (NAFLD). There is limited evidence regarding the effects of turmeric on NAFLD. The aim of this study was to investigate the effects of turmeric supplementation on glycemic status and serum leptin levels in patients with NAFLD. METHODS: This double-blind randomized controlled clinical trial was conducted on 46 patients with NAFLD (21males and 25 females) aged 20-60 years old and body mass index (BMI) between 24...
April 26, 2017: Journal of the American College of Nutrition
https://www.readbyqxmd.com/read/28443701/evaluation-of-dietary-intake-leisure-time-physical-activity-and-metabolic-profile-in-women-with-mutation-in-the-lmna-gene
#20
Luciana Monteiro, Maria Cristina Foss-Freitas, Anderson Navarro, Francisco Pereira, Fernanda Coeli, Estela Carneseca, Renan Montenegro Júnior, Milton Foss
INTRODUCTION: Familial partial lipodystrophy (FPL) is a rare genetic disorder characterized by selective lack of subcutaneous fat, which is associated with insulin-resistant diabetes. The Dunnigan variety (FPLD2) is caused by several missense mutations in the lamin A/C (LMNA) gene, most of which are typically located in exon 8 at the codon position 482. OBJECTIVE: The aim of this study was to assess and compare the dietary intake, leisure-time physical activity (LTPA), and biochemical measurements (glucose, A1C, and plasma lipids) in women with FPLD2 and without (control group, CG) and to examine the associations between dietary intake and biochemical measurements (BM)...
April 26, 2017: Journal of the American College of Nutrition
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