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https://www.readbyqxmd.com/read/28213107/hypoglycemic-effect-of-the-polyphenols-rich-extract-from-rose-rugosa-thunb-on-high-fat-diet-and-stz-induced-diabetic-rats
#1
Liu Liu, Dan Tang, Haiqing Zhao, Xuelei Xin, Haji Akber Aisa
ETHNOPHARMACOLOGICAL RELEVANCE: Rosa rugosa Thunb is traditional Uygur medicine, it is widely used for regulating blood condition, nourishing liver and gallbladder in Uygur ancient prescription. But the mechanism of Rosa rugosa Thunb on diabetes is still unclear. In here, we studied the hypoglycemic effect and explained one probable pathway of polyphenols rich extract from Rosa rugosa Thunb (RPE) on diabetic rats. MATERIALS AND METHODS: In vitro, the effect of RPE on α-glucosidase inhibition was finished, and the antioxidant activity of RPE was evaluated by ABTS and DPPH assay...
February 14, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28207876/circulating-c1q-complement-tnf-related-protein-ctrp-1-ctrp9-ctrp12-and-ctrp13-concentrations-in-type-2-diabetes-mellitus-in-vivo-regulation-by-glucose
#2
Bo Bai, Bo Ban, Zunjing Liu, Man Man Zhang, Bee Kang Tan, Jing Chen
OBJECTIVES: The C1q complement/TNF-related protein (CTRP) superfamily, which includes the adipokine adiponectin, has been shown in animal models to have positive metabolic and cardiovascular effects. We sought to investigate circulating CTRP1, CTRP9, CTRP12 and CTRP13 concentrations in persons with type 2 diabetes mellitus (T2DM), with age and BMI matched controls, and to examine the effects of a 2 hour 75g oral glucose tolerance test (OGTT) on serum CTRP1, CTRP9, CTRP12 and CTRP13 levels in persons with T2DM...
2017: PloS One
https://www.readbyqxmd.com/read/28202439/variable-reliability-of-surrogate-measures-of-insulin-sensitivity-after-roux-en-y-gastric-bypass
#3
Kirstine N Bojsen-Moller, Carsten Dirksen, Maria S Svane, Nils B Jørgensen, Jens J Holst, Erik A Richter, Sten Madsbad
Roux-en-Y gastric bypass (RYGB) induces weight loss and improves insulin sensitivity when evaluated by the hyperinsulinemic-euglycemic clamp (HEC). Surrogate indices of insulin sensitivity calculated from insulin and glucose concentrations at fasting or after an oral glucose tolerance test (OGTT) are frequently used, but have not been validated after RYGB. Our aim was to evaluate whether surrogate indices reliably estimate changes in insulin sensitivity after RYGB. Four fasting (inverse-HOMA-IR, HOMA2-%S, QUICKI, revised-QUICKI) and three OGTT-derived surrogates (Matsuda, Gutt, OGIS) were compared with HEC-estimated peripheral insulin sensitivity (Rd or Rd/I, depending on how the index was originally validated) and the tracer-determined hepatic insulin sensitivity index (HISI) in patients with preoperative type 2 diabetes (n=10) and normal glucose tolerance (n=10) 1 week, 3 months and 1 year postoperatively...
February 15, 2017: American Journal of Physiology. Regulatory, Integrative and Comparative Physiology
https://www.readbyqxmd.com/read/28199386/associations-of-lipid-profiles-with-insulin-resistance-and-%C3%AE-cell-function-in-adults-with-normal-glucose-tolerance-and-different-categories-of-impaired-glucose-regulation
#4
Shuang Zheng, Hua Xu, Huan Zhou, Xingxing Ren, Tingting Han, Yawen Chen, Huiying Qiu, Peihong Wu, Jun Zheng, Lihua Wang, Wei Liu, Yaomin Hu
AIMS: To investigate the associations of dyslipidemia with insulin resistance and β cell function in individuals with normal glucose tolerance (NGT) and different categories of impaired glucose regulation (IGR). METHODS: 544 subjects (365 with dyslipidemia and/or IGR and 179 with normal lipid and glucose tolerance) were enrolled in the study. All subjects underwent oral glucose tolerance test (OGTT). HOMA-IR was used to evaluate insulin sensitivity. Disposition index (DI) was used to evaluate β cell function...
2017: PloS One
https://www.readbyqxmd.com/read/28194232/post-challenge-insulin-concentration-is-useful-for-differentiating-between-coronary-artery-disease-and-cardiac-syndrome-x-in-subjects-without-known-diabetes-mellitus
#5
Kae-Woei Liang, Wayne H-H Sheu, Wen-Jane Lee, Wen-Lieng Lee, Hung-Chih Pan, I-Te Lee, Jun-Sing Wang
BACKGROUND: Cardiac syndrome X (CSX) is characterized by angina pectoris but with patent coronary arteries. Our previous study demonstrated that subjects with CSX had a higher fasting insulin-resistance (IR) than the controls. However, few studies have investigated the degree of IR, including oral glucose tolerance test (OGTT)-derived indices and profiles of metabolic abnormalities between CSX and coronary artery disease (CAD). METHODS: Ninety-two CSX and 145 CAD subjects without known diabetes mellitus (DM) underwent coronary angiogram (CAG) for angina pectoris and also agreed to receive OGTT and glycated hemoglobin (HbA1C) evaluations for screening abnormal glucose regulation and IR...
2017: Diabetology & Metabolic Syndrome
https://www.readbyqxmd.com/read/28193233/tacrolimus-in-the-prevention-of-adverse-pregnancy-outcomes-and-diabetes-associated-embryopathies-in-obese-and-diabetic-mice
#6
Ahmad J H Albaghdadi, Melanie A Hewitt, Samantha M Putos, Michael Wells, Terence R S Ozolinš, Frederick W K Kan
BACKGROUND: T2DM is a high-risk pregnancy with adverse fetal and maternal outcomes including repeated miscarriages and fetal malformations. Despite the established association between placental insufficiency and poor maternal Th1-adaptability to the development of pregnancy complications in T2DM, there have been no established data to assess benefits of pre-pregnancy immunosuppression relative to gestational outcomes in T2DM. We hypothesized that pre-pregnancy macrolide immune suppression can re-establish normal placental development and uterine vascular adaptation in a mouse model of obesity-associated T2DM...
February 13, 2017: Journal of Translational Medicine
https://www.readbyqxmd.com/read/28193094/protective-effects-of-ficus-carica-leaves-on-glucose-and-lipids-levels-carbohydrate-metabolism-enzymes-and-%C3%AE-cells-in-type-2-diabetic-rats
#7
Santiagu Stephen Irudayaraj, Sunil Christudas, Stalin Antony, Veeramuthu Duraipandiyan, Al-Dhabi Naif Abdullah, Savarimuthu Ignacimuthu
CONTEXT: The decoctions of Ficus carica Linn. (Moraceae) leaves are used in the folklore treatment of diabetes. OBJECTIVE: To evaluate the effect of F. carica on glucose and lipids levels, carbohydrate metabolism enzymes and β-cells protective effects in type 2 diabetes. MATERIAL AND METHODS: Diabetes was induced in 15 days high-fat diet (HFD)-fed Wistar rats by intraperitoneal injection of streptozotocin (STZ) (40 mg/kg). The ethyl acetate extract (250 and 500 mg/kg) of F...
December 2017: Pharmaceutical Biology
https://www.readbyqxmd.com/read/28192474/prevalence-of-diabetes-and-unrecognized-diabetes-in-hypertensive-patients-aged-40-to-79-years-in-southwest-china
#8
Xiao-Bo Huang, Wei-Wei Tang, Ya Liu, Rong Hu, Ling-Yun Ouyang, Jian-Xiong Liu, Xiu-Jun Li, Yan-Jing Yi, Tzung-Dau Wang, Shui-Ping Zhao
This study aimed to assess the prevalence of diabetes and unrecognized diabetes in hypertensive patients aged 40 to 79 years in Southwest China. From September 2013 to March 2014, a cross-sectional survey was conducted in 4021 hypertensive patients aged 40 to 79 years living in Chengdu and Chongqing, China. Fasting plasma glucose (FPG) and 2h plasma glucose (2-hPG) in an oral glucose-tolerance test (OGTT) were used for assessments. Whether the patients previously had diabetes (DM) was determined by their own reports...
2017: PloS One
https://www.readbyqxmd.com/read/28190874/maternal-consumption-of-a-cafeteria-diet-during-lactation-in-rats-leads-the-offspring-to-a-thin-outside-fat-inside-phenotype
#9
C A Pomar, R van Nes, J Sánchez, C Picó, J Keijer, A Palou
BACKGROUND AND OBJECTIVE: The suckling period is a critical phase of development, in which maternal over-nutrition may program the susceptibility of developing chronic diseases and disorders, such as obesity and metabolic alterations, in adult life. Here, we questioned whether the consumption of a cafeteria diet throughout lactation in rats affects the macronutrient composition of milk and whether it results in permanent metabolic effects in the offspring. METHODS: Nursing rats were fed a control diet or a cafeteria diet during lactation...
February 13, 2017: International Journal of Obesity: Journal of the International Association for the Study of Obesity
https://www.readbyqxmd.com/read/28183453/glucose-tolerance-and-free-fatty-acid-metabolism-in-adults-with-variations-in-tcf7l2-rs7903146
#10
Jin Lu, Ron T Varghese, Lianzhen Zhou, Adrian Vella, Michael D Jensen
OBJECTIVE: TCF7L2 variant rs7903146 is associated with increased risk for type 2 diabetes. We investigated the effect of TCF7L2 variant rs7903146 and glucose tolerance on free fatty acid (FFA) metabolism. RESEARCH DESIGN AND METHODS: We recruited 120 individuals, half homozygous for the major CC allele and half homozygous for the minor TT allele at rs7903146; each underwent a 2-h, 75g oral glucose tolerance test (OGTT). Plasma glucose, insulin and free fatty acid concentrations were measured on blood collected before and during the OGTT...
March 2017: Metabolism: Clinical and Experimental
https://www.readbyqxmd.com/read/28181363/chronic-liraglutide-therapy-induces-an-enhanced-endogenous-glucagon-like-peptide-1-secretory-response-in-early-type-2-diabetes
#11
Caroline K Kramer, Bernard Zinman, Haysook Choi, Philip W Connelly, Ravi Retnakaran
Sustained exogenous stimulation of a hormone-specific receptor can affect endogenous hormonal regulation. In this context, little is known about the impact of chronic treatment with glucagon-like peptide-1 (GLP-1) agonists on the endogenous GLP-1 response. We therefore evaluated the impact of chronic liraglutide therapy on endogenous GLP-1 and glucose-dependent insulinotropic polypeptide (GIP) response to an oral glucose challenge. A total of 51 people with type 2 diabetes of 2.6 ± 1.9 years' duration were randomized to daily subcutaneous liraglutide or placebo injection and followed for 48 weeks, with an oral glucose tolerance test (OGTT) every 12 weeks...
February 9, 2017: Diabetes, Obesity & Metabolism
https://www.readbyqxmd.com/read/28180064/dipeptidyl-peptidase-4-inhibitor-treatment-induces-a-greater-increase-in-plasma-levels-of-bioactive-gip-than-glp-1-in-non-diabetic-subjects
#12
Tsuyoshi Yanagimachi, Yukihiro Fujita, Yasutaka Takeda, Jun Honjo, Hidemitsu Sakagami, Hiroya Kitsunai, Yumi Takiyama, Atsuko Abiko, Yuichi Makino, Timothy J Kieffer, Masakazu Haneda
OBJECTIVE: Glucose-dependent insulinotropic polypeptide (GIP) and glucagon-like peptide-1 (GLP-1) possess multiple bioactive isoforms that are rendered non-insulinotropic by the enzyme dipeptidyl peptidase-4 (DPP-4). Recently, some ELISA kits have been developed to specifically measure "active" GIP and GLP-1, but it is unclear if these kits can accurately quantify all bioactive forms. Therefore, it remains uncertain to what extent treatment with a DPP-4 inhibitor boosts levels of biologically active GIP and GLP-1...
February 2017: Molecular Metabolism
https://www.readbyqxmd.com/read/28177763/lactoferrin-potentially-facilitates-glucose-regulation-and-enhances-the-incretin-effect
#13
Yuta Maekawa, Akihiko Sugiyama, Takashi Takeuchi
Lactoferrin (Lf) is known for its physiologically pleiotropic properties. In this study, we investigated whether Lf affects glycemic regulation, including glucose absorption from the small intestine. Bovine Lf (bLf, 100 mg/kg body mass) was administered to rats by intraperitoneal injection before intravenous (intravenous glucose tolerance test, IVGTT) or oral glucose administration (oral glucose tolerance test, OGTT). With IVGTT, bLf pretreatment had no significant effect on plasma levels of glucose or insulin...
February 2017: Biochemistry and Cell Biology, Biochimie et Biologie Cellulaire
https://www.readbyqxmd.com/read/28173983/predictive-models-for-conversion-of-prediabetes-to-diabetes
#14
N Yokota, T Miyakoshi, Y Sato, Y Nakasone, K Yamashita, T Imai, K Hirabayashi, H Koike, K Yamauchi, T Aizawa
AIM: To clarify the natural course of prediabetes and develop predictive models for conversion to diabetes. METHODS: A retrospective longitudinal study of 2105 adults with prediabetes was carried out with a mean observation period of 4.7years. Models were developed using multivariate logistic regression analysis and verified by 10-fold cross-validation. The relationship between [final BMI minus baseline BMI] (δBMI) and incident diabetes was analyzed post hoc by comparing the diabetes conversion rate for low (< -0...
January 20, 2017: Journal of Diabetes and its Complications
https://www.readbyqxmd.com/read/28163748/weight-loss-technology-for-people-with-treated-type-2-diabetes-a-randomized-controlled-trial
#15
Kuat Oshakbayev, Bibazhar Dukenbayeva, Gulnar Togizbayeva, Aigul Durmanova, Meruyert Gazaliyeva, Abdul Sabir, Aliya Issa, Alisher Idrisov
BACKGROUND: The prevalence of type 2 diabetes is increasing in worldwide despite the development of new treatment methods. Aim of the study was to evaluate a weight loss method on body composition, glycemic, lipid and hormone profiles, blood pressure and reactive oxygen species in people with treated type 2 diabetes. METHODS: A 24-week open, prospective, randomized, controlled clinical trial including 272 adult patients with treated type 2 diabetes was performed...
2017: Nutrition & Metabolism
https://www.readbyqxmd.com/read/28163257/the-relation-of-glycaemic-variability-with-inflammatory-markers-in-obese-children-with-insulin-resistance-and-metabolic-syndrome
#16
Abdurrahman Kaya, Cemil Koçyiğit, Gönül Çatlı, Elif Büşra Özkan, Bumin Nuri Dündar
OBJECTIVE: To investigate the relationship between glycaemic variability and inflammatory parameters in obese children with insulin resistance and to elucidate their effects on the development of metabolic syndrome. METHODS: Fifty obese adolescents with insulin resistance were included in the study. All patients underwent anthropometric measurements, body fat analysis and continuous glucose monitoring system (CGMS) for 24 hours. Serum lipids, adiponectin and interleukin-6 (IL-6) levels were measured...
February 6, 2017: Journal of Clinical Research in Pediatric Endocrinology
https://www.readbyqxmd.com/read/28163112/antidiabetic-effects-of-morus-alba-fruit-polysaccharides-on-high-fat-diet-and-streptozotocin-induced-type-2-diabetes-in-rats
#17
Yukun Jiao, Xueqian Wang, Xiang Jiang, Fansheng Kong, Shumei Wang, Chunyan Yan
ETHNOPHARMACOLOGICAL RELEVANCE: Type 2 diabetes mellitus (T2DM) is becoming a serious threat to human health. The fruit of Morus alba L. is widely used as a traditional Chinese medicine for the treatment of DM, dizziness, tinnitus, insomnia, and premature graying, as well as to protect the liver and kidneys. Several studies have demonstrated that the aqueous extracts of the roots bark, leaves, and ramuli of mulberry, which are known to contain polyphenols and polysaccharides, have antihyperglycemic and antihyperlipidemic activities...
February 2, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28161191/laboratory-diagnosis-of-gestational-diabetes-an-in-silico-investigation-into-the-effects-of-pre-analytical-processing-on-the-diagnostic-sensitivity-and-specificity-of-the-oral-glucose-tolerance-test
#18
Erin Mansell, Helen Lunt, Paul Docherty
INTRODUCTION: Delayed separation of red cells from plasma causes pre analytical glucose loss, which in turn results in an under-diagnosis of GDM (gestational diabetes) based on the OGTT (oral glucose tolerance test). In silico investigations may help laboratory decision making, when exploring pragmatic improvements to sample processing. METHODS: Late pregnancy 0, 1 and 2h 75g OGTT values were obtained from two distinct populations of pregnant women: 1. Values derived from the HAPO (Hyperglycemia and Adverse Pregnancy Outcome) Study and 2...
February 2, 2017: Clinical Biochemistry
https://www.readbyqxmd.com/read/28159227/alterations-of-serum-trace-elements-in-patients-with-type-2-diabetes
#19
Hongmei Zhang, Chonghuai Yan, Zhen Yang, Weiwei Zhang, Yixin Niu, Xiaoyong Li, Li Qin, Qing Su
OBJECTIVE: The aim of the present study is to investigate the association of trace elements and the risk of type 2 diabetes mellitus. DESIGN AND METHODS: The 1837 participants (637 men and 1200 women) aged 40-70 were from a cross-sectional community-based study performed in downtown Shanghai. All the participants without diabetes mellitus history underwent a 75-g OGTT. The participants with diabetes mellitus took 100g steamed bread as the substitute. The fasting and OGTT 2h or postprandial 2h venous blood samples were collected...
March 2017: Journal of Trace Elements in Medicine and Biology
https://www.readbyqxmd.com/read/28154509/genetic-association-analysis-of-fasting-and-1-and-2-hour-glucose-tolerance-test-data-using-a-generalized-index-of-dissimilarity-measure-for-the-korean-population
#20
Jaeyong Yee, Yongkang Kim, Taesung Park, Mira Park
Glucose tolerance tests have been devised to determine the speed of blood glucose clearance. Diabetes is often tested with the standard oral glucose tolerance test (OGTT), along with fasting glucose level. However, no single test may be sufficient for the diagnosis, and the World Health Organization (WHO)/International Diabetes Federation (IDF) has suggested composite criteria. Accordingly, a single multi-class trait was constructed with three of the fasting phenotypes and 1- and 2-hour OGTT phenotypes from the Korean Association Resource (KARE) project, and the genetic association was investigated...
December 2016: Genomics & Informatics
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