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https://www.readbyqxmd.com/read/28233232/sensitivity-of-various-body-indices-and-visceral-adiposity-index-in-predicting-metabolic-syndrome-among-chinese-patients-with-adult-growth-hormone-deficiency
#1
L Qing, R Wei, L Chan, Z Xiaoya, X Xin
AIM: Adult growth hormone deficiency (AGHD) refers to decreased secretion of growth hormones in the adults, which is associated with increased clustering of conventional cardiovascular risk factors such as central obesity, insulin resistance and dyslipidemia. Metabolic syndrome (MetS), a recognized risk factor of cardiovascluar diseases, shares some clinical features. Given that the prevalence of MetS is on the rise in patients with AGHD, and that cardiovascular disease (CVD) is an important cause of morbidity and mortality in that population, the alternative, simple, non-invasive methods of assessing MetS among this population are needed...
February 23, 2017: Journal of Endocrinological Investigation
https://www.readbyqxmd.com/read/28232117/innate-immune-receptors-in-skeletal-muscle-metabolism
#2
REVIEW
Nicolas J Pillon, Anna Krook
Recent decades have seen increasing evidence for a role for both innate and adaptive immunity in response to changes in and in the modulation of metabolic status. This new field of immunometabolism builds on evidence for activation of immune-derived signals in metabolically relevant tissues such as adipose tissue, liver, hypothalamus and skeletal muscle. Skeletal muscle is the primary site of dietary glucose disposal and therefore a key player in the development of diabetes, but studies on the role of inflammation in modulating skeletal muscle metabolism and its possible impact on whole body insulin sensitivity are scarce...
February 20, 2017: Experimental Cell Research
https://www.readbyqxmd.com/read/28230660/diagnostic-performance-of-48-hour-fasting-test-and-insulin-surrogates-in-patients-with-suspected-insulinoma
#3
Keijiro Ueda, Ken Kawabe, Lingaku Lee, Yuichi Tachibana, Nao Fujimori, Hisato Igarashi, Yoshinao Oda, Robert T Jensen, Ryoichi Takayanagi, Tetsuhide Ito
OBJECTIVES: This study aimed to evaluate the usefulness of the 48-hour fasting test and insulin surrogates followed by a glucagon stimulatory test (GST) for the diagnosis of insulinoma. METHODS: Thirty-five patients with suspected insulinoma who underwent 48-hour fasting test and GST were retrospectively included in our study: 15 patients with surgically proven insulinomas and 20 patients in whom insulinoma was clinically ruled out. We determined the duration of the fasting test, plasma glucose levels, serum levels of immunoreactive insulin and C-peptide, and insulin surrogates (serum levels of β-hydroxybutyrate, free fatty acid, and response of plasma glucose to intravenous glucagon [ΔPG]) at the end of the fast...
February 23, 2017: Pancreas
https://www.readbyqxmd.com/read/28229284/prolonged-growth-hormone-insulin-insulin-like-growth-factor-nutrient-response-signaling-pathway-as-a-silent-killer-of-stem-cells-and-a-culprit-in-aging
#4
REVIEW
Mariusz Z Ratajczak, Andrzej Bartke, Zbigniew Darzynkiewicz
The dream of slowing down the aging process has always inspired mankind. Since stem cells are responsible for tissue and organ rejuvenation, it is logical that we should search for encoded mechanisms affecting life span in these cells. However, in adult life the hierarchy within the stem cell compartment is still not very well defined, and evidence has accumulated that adult tissues contain rare stem cells that possess a broad trans-germ layer differentiation potential. These most-primitive stem cells-those endowed with pluripotent or multipotent differentiation ability and that give rise to other cells more restricted in differentiation, known as tissue-committed stem cells (TCSCs) - are of particular interest...
February 22, 2017: Stem Cell Reviews
https://www.readbyqxmd.com/read/28229278/consumption-of-vitamin-d-fortified-yogurt-drink-increased-leptin-and-ghrelin-levels-but-reduced-leptin-to-ghrelin-ratio-in-type-2-diabetes-patients-a-single-blind-randomized-controlled-trial
#5
REVIEW
Mina Hajimohammadi, Sakineh Shab-Bidar, Tirang R Neyestani
PURPOSE: This study aimed to evaluate the effect of daily consumption of vitamin D-fortified yogurt drink (doogh) in comparison with plain doogh on appetite-regulating hormones including leptin and ghrelin in type 2 diabetes (T2D) patients. METHODS: In a single blind randomized clinical trial, subjects with T2D were randomly allocated to one of the two groups and received either vitamin D3-fortified doogh (FD; containing 170 mg calcium and 500 IU/250 mL, n 2 = 50) or plain doogh (PD; containing 170 mg calcium and no vitamin D/250 mL, n 1 = 50) twice a day for 12 weeks...
February 22, 2017: European Journal of Nutrition
https://www.readbyqxmd.com/read/28228748/chromogranin-a-regulation-of-obesity-and-peripheral-insulin-sensitivity
#6
REVIEW
Gautam K Bandyopadhyay, Sushil K Mahata
Chromogranin A (CgA) is a prohormone and granulogenic factor in endocrine and neuroendocrine tissues, as well as in neurons, and has a regulated secretory pathway. The intracellular functions of CgA include the initiation and regulation of dense-core granule biogenesis and sequestration of hormones in neuroendocrine cells. This protein is co-stored and co-released with secreted hormones. The extracellular functions of CgA include the generation of bioactive peptides, such as pancreastatin (PST), vasostatin, WE14, catestatin (CST), and serpinin...
2017: Frontiers in Endocrinology
https://www.readbyqxmd.com/read/28228657/repetitive-hyperbaric-oxygen-treatment-increases-insulin-sensitivity-in-diabetes-patients-with-acute-intracerebral-hemorrhage
#7
Qian Xu, Yi-Ting Wei, Shuang-Bo Fan, Liang Wang, Xiao-Ping Zhou
AIM: The role of hyperbaric oxygen therapy (HBOT) in the treatment of acute ischemic stroke is controversial. This study aims to investigate whether the peripheral insulin sensitivity of type 2 diabetes patients suffering from intracerebral hemorrhage can be increased after HBOT. METHODS: Fifty-two type 2 diabetes participants were recruited after being diagnosed with intracerebral hemorrhage in our hospital. Insulin sensitivity was measured by the glucose infusion rate during a hyperinsulinemic euglycemic clamp (80 mU m(-2) min(-1)) at baseline and 10 and 30 days after HBOT sessions...
2017: Neuropsychiatric Disease and Treatment
https://www.readbyqxmd.com/read/28228611/anti-diabetic-action-of-all-trans-retinoic-acid-and-the-orphan-g-protein-coupled-receptor-gprc5c-in-pancreatic-%C3%AE-cells
#8
Stefan Amisten, Israa Mohammad Al-Amily, Arvind Soni, Ross Hawkes, Patricio Atanes, Shanta Jean Persaud, Patrik Rorsman, Albert Salehi
Pancreatic islets express high levels of the orphan G-protein coupled receptor C5C (GPRC5C), the function of which remains to be established. Here we have examined the role of GPRC5C in the regulation of insulin secretion and β-cell survival and proliferation using human and mouse pancreatic islets. The expression of GPRC5C was analysed by RNA-sequencing, qPCR, western blotting and confocal microscopy. Insulin secretion and cell viability were determined by RIA and MTS assays, respectively. GPRC5C mRNA expression and protein level were reduced in the islets from type-2 diabetic donors...
February 22, 2017: Endocrine Journal
https://www.readbyqxmd.com/read/28228332/calorically-restricted-diets-decrease-pcsk9-in-overweight-adolescents
#9
A E Levenson, C E Milliren, S B Biddinger, C B Ebbeling, H A Feldman, D S Ludwig, S D de Ferranti
BACKGROUND AND AIMS: Nutritional therapy is the first line approach to treatment of hyperlipidemia in childhood. Proprotein convertase subtilisin kexin type 9 (PCSK9) is a key regulator of plasma cholesterol levels and a target of novel lipid-lowering pharmacotherapies. We examined the effects of an intensive nutritional intervention on PCSK9 levels in overweight adolescents with cardiovascular disease (CVD) risk factors. METHODS AND RESULTS: Twenty seven obese and overweight adolescents with CVD risk factors were assigned to either a low fat or low glycemic load diet...
January 3, 2017: Nutrition, Metabolism, and Cardiovascular Diseases: NMCD
https://www.readbyqxmd.com/read/28228317/short-term-therapy-with-combination-dipeptidyl-peptidase-4-inhibitor-saxagliptin-metformin-extended-release-xr-is-superior-to-saxagliptin-or-metformin-xr-monotherapy-in-prediabetic-women-with-polycystic-ovary-syndrome-a-single-blind-randomized-pilot-study
#10
Karen E Elkind-Hirsch, Martha S Paterson, Ericka L Seidemann, Hanh C Gutowski
OBJECTIVE: To evaluate efficacy with the dipeptidyl peptidase-4 inhibitor saxagliptin (SAXA), metformin extended release (MET), and combination (SAXA-MET) in patients with polycystic ovary syndrome (PCOS) and impaired glucose regulation. DESIGN: Prospective, randomized, single-blind drug study. SETTING: Outpatient clinic. PATIENT(S): Patients (n = 38) with PCOS (aged 18-42 years) and prediabetic hyperglycemia determined by a 75-gram oral glucose tolerance test...
January 2017: Fertility and Sterility
https://www.readbyqxmd.com/read/28228268/er-stress-protein-chop-mediates-insulin-resistance-by-modulating-adipose-tissue-macrophage-polarity
#11
Toru Suzuki, Junhong Gao, Yasushi Ishigaki, Keiichi Kondo, Shojiro Sawada, Tomohito Izumi, Kenji Uno, Keizo Kaneko, Sohei Tsukita, Kei Takahashi, Atsuko Asao, Naoto Ishii, Junta Imai, Tetsuya Yamada, Seiichi Oyadomari, Hideki Katagiri
Obesity represents chronic inflammatory states promoted by pro-inflammatory M1-macrophage infiltration into white adipose tissue (WAT), thereby inducing insulin resistance. Herein, we demonstrate the importance of an ER stress protein, CHOP, in determining adipose tissue macrophage (ATM) polarity and systemic insulin sensitivity. A high-fat diet (HFD) enhances ER stress with CHOP upregulation in adipocytes. CHOP deficiency prevents HFD-induced insulin resistance and glucose intolerance with ATM M2 predomination and Th2 cytokine upregulation in WAT...
February 21, 2017: Cell Reports
https://www.readbyqxmd.com/read/28227271/comparison-of-three-nonlinear-filters-for-fault-detection-in-continuous-glucose-monitors
#12
Zeinab Mahmoudi, Sabrina Lyngbye Wendt, Dimitri Boiroux, Morten Hagdrup, Kirsten Norgaard, Niels Kjolstad Poulsen, Henrik Madsen, John Bagterp Jorgensen, Zeinab Mahmoudi, Sabrina Lyngbye Wendt, Dimitri Boiroux, Morten Hagdrup, Kirsten Norgaard, Niels Kjolstad Poulsen, Henrik Madsen, John Bagterp Jorgensen, Dimitri Boiroux, Morten Hagdrup, Kirsten Norgaard, Henrik Madsen, Zeinab Mahmoudi
The purpose of this study is to compare the performance of three nonlinear filters in online drift detection of continuous glucose monitors. The nonlinear filters are the extended Kalman filter (EKF), the unscented Kalman filter (UKF), and the particle filter (PF). They are all based on a nonlinear model of the glucose-insulin dynamics in people with type 1 diabetes. Drift is modelled by a Gaussian random walk and is detected based on the statistical tests of the 90-min prediction residuals of the filters. The unscented Kalman filter had the highest average F score of 85...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28226967/nonlinear-model-predictive-glycemic-control-of-critically-ill-patients-using-online-identification-of-insulin-sensitivity
#13
Sha Wu, Eiko Furutani, Sha Wu, Eiko Furutani, Eiko Furutani, Sha Wu
In critically ill patients suffering from hyperglycemia, it has been recently shown that mortality and morbidity can be reduced by keeping blood glucose within the range of 80-110 mg/dL. However, maintaining glycemia within such range is difficult due to the time variability in insulin sensitivity in critically ill patients. In this paper, we propose a novel glycometabolism model of critically ill patients with an insulin sensitivity parameter and develop a nonlinear model predictive glycemic control system with online identification of insulin sensitivity at one-hour intervals...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28225990/visceral-adiposity-index-and-triglyceride-high-density-lipoprotein-cholesterol-ratio-in-hypogonadism
#14
Cem Haymana, Alper Sonmez, Aydogan Aydogdu, Serkan Tapan, Yalcin Basaran, Coskun Meric, Kamil Baskoy, Mustafa Dinc, Mahmut Yazici, Abdullah Taslipinar, Cem Barcin, Mahmut Ilker Yilmaz, Erol Bolu, Omer Azal
Background: Cardiometabolic risk is high in patients with hypogonadism. Visceral adiposity index (VAI) and triglyceride/high-density lipoprotein cholesterol (TG/HDL-C) ratio are the practical markers of atherosclerosis and insulin resistance and independent predictors of cardiaovascular risk. To date, no study has evaluated VAI levels and TG/HDL-C ratio in hypogonadism. Subjects and methods: A total of 112 patients with congenital hypogonadotrophic hypogonadism (CHH) (mean age, 21...
February 13, 2017: Archives of Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28225861/predictors-of-subclinical-atherosclerosis-evaluated-by-carotid-intima-media-thickness-in-asymptomatic-young-women-with-type-1-diabetes-mellitus
#15
Rosane Kupfer, Manuella Rangel Larrúbia, Isabela Bussade, Joana Rodrigues Dantas Pereira, Giovanna A Balarini Lima, Marcio Antonio Epifanio, Claudio Domenico Sahione Schettino, Denise Prado Momesso
Objective: This study aimed to evaluate the occurrence and clinical predictors of subclinical atherosclerosis in asymptomatic, young adult women with type 1 DM. Subjects and methods: The study included 45 women with type 1 diabetes mellitus (DM) (aged 36 ± 9 years) who underwent carotid Doppler ultrasound evaluation to determine the carotid artery intima-media thickness (CIMT) and to assess the occurrence of carotid artery plaques. Insulin sensitivity was assessed by estimated glucose disposal rate (eGDR), and metabolic syndrome (MS) was defined by the World Health Organization criteria...
February 16, 2017: Archives of Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28225059/decreased-levels-of-fibroblast-growth-factor-21-are-correlated-with-improved-hypoglycemia-in-patients-with-insulinoma
#16
Xu Li, Haoyong Yu, Jun Yin, Lianxi Li, Jian Zhou, Ming Li, Qing Li, Haibing Chen, Fang Liu, Yuqian Bao, Junfeng Han, Weiping Jia
Fibroblast growth factor-21 (FGF-21) improves insulin sensitivity and lipid metabolism in obese or diabetic animal models and has been proposed as a potential therapeutic agent for treating T2DM, obesity, and their related complications. However, little is known about the changes of FGF21 levels in response to endogenous hyperinsulinemic hypoglycemia. To explore its relationship with parameters of glucose metabolism in patients with insulinoma, eleven subjects with pathological insulinoma and twenty-two healthy subjects were recruited for this study...
February 22, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28224182/parp-inhibition-ameliorates-nephropathy-in-an-animal-model-of-type-2-diabetes-focus-on-oxidative-stress-inflammation-and-fibrosis
#17
Esraa M Zakaria, Nabila N El-Maraghy, Ahmed F Ahmed, Abdelmonim A Ali, Hany M El-Bassossy
Poly(ADP-ribose) polymerase (PARP) enzyme contributes to nephropathy, a serious diabetic complication which may lead to end-stage renal disease. The study aims to investigate the effect of PARP over-activation on kidney functions in a type 2 diabetic rat model. The study also tests the therapeutic use of PARP inhibitors in diabetic nephropathy. Type 2 diabetes was induced in adult male rats by high-fructose/high-fat diet and low streptozotocin dose. Then, the PARP inhibitor 4-aminobenzamide (4-AB) was administered daily for 10 weeks...
February 21, 2017: Naunyn-Schmiedeberg's Archives of Pharmacology
https://www.readbyqxmd.com/read/28224045/dj-1-maintains-energy-and-glucose-homeostasis-by-regulating-the-function-of-brown-adipose-tissue
#18
Rong Wu, Xiao-Meng Liu, Jian-Guang Sun, Hong Chen, Jun Ma, Meng Dong, Shengyi Peng, Ji-Qiu Wang, Jian-Qing Ding, Dong-Hao Li, John R Speakman, Guang Ning, Wanzhu Jin, Zengqiang Yuan
DJ-1 protein is involved in multiple physiological processes, including Parkinson's disease. However, the role of DJ-1 in the metabolism is largely unknown. Here we found that DJ-1 maintained energy balance and glucose homeostasisvia regulating brown adipose tissue (BAT) activity. DJ-1-deficient mice reduced body mass, increased energy expenditure and improved insulin sensitivity. DJ-1 deletion also resisted high-fat-diet (HFD) induced obesity and insulin resistance. Accordingly, DJ-1 transgene triggered autonomous obesity and glucose intolerance...
2017: Cell Discovery
https://www.readbyqxmd.com/read/28223503/mitochondrial-energy-deficiency-leads-to-hyperproliferation-of-skeletal-muscle-mitochondria-and-enhanced-insulin-sensitivity
#19
Ryan M Morrow, Martin Picard, Olga Derbeneva, Jeremy Leipzig, Meagan J McManus, Gilles Gouspillou, Sébastien Barbat-Artigas, Carlos Dos Santos, Russell T Hepple, Deborah G Murdock, Douglas C Wallace
Diabetes is associated with impaired glucose metabolism in the presence of excess insulin. Glucose and fatty acids provide reducing equivalents to mitochondria to generate energy, and studies have reported mitochondrial dysfunction in type II diabetes patients. If mitochondrial dysfunction can cause diabetes, then we hypothesized that increased mitochondrial metabolism should render animals resistant to diabetes. This was confirmed in mice in which the heart-muscle-brain adenine nucleotide translocator isoform 1 (ANT1) was inactivated...
February 21, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28223295/a-model-of-chronic-diabetic-polyneuropathy-benefits-from-intranasal-insulin-are-modified-by-sex-and-rage-deletion
#20
Cristiane L de la Hoz, Chu Cheng, Paul Fernyhough, Douglas W Zochodne
Human diabetic polyneuropathy (DPN) is a progressive complication of chronic diabetes mellitus. Preliminary evidence has suggested that intranasal insulin, in doses insufficient to alter hyperglycemia, suppresses the development of DPN. In this work we confirm this finding, but demonstrate that its impact is modified by sex and deletion of RAGE, the receptor for advanced glycosylation endproducts. We serially evaluated experimental DPN in male and female wild type mice and male RAGE null (RN) mice, each with nondiabetic controls, during 16 weeks of diabetes, the final 8 weeks including groups given intranasal insulin...
February 21, 2017: American Journal of Physiology. Endocrinology and Metabolism
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