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Insulin Type 2 Diabetes

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https://www.readbyqxmd.com/read/28647369/synthesis-of-cytochrome-c-oxidase-1-sco1-inhibits-insulin-sensitivity-by-decreasing-copper-levels-in-adipocytes
#1
Xiang-Bo Wei, Liang Guo, Yang Liu, Shui-Rong Zhou, Yuan Liu, Xin Dou, Shao-Yue Du, Meng Ding, Wan-Qiu Peng, Shu-Wen Qian, Hai-Yan Huang, Qi-Qun Tang
Dysregulation of insulin signaling leads to type 2 diabetes mellitus (T2DM) and other metabolic disorders. Obesity is an important contributor to insulin resistance, and although the understanding of this relationship has improved in recent years, the mechanism of obesity-induced insulin resistance is not completely understood. Disorders of copper metabolism tend to accompany the development of obesity, which increases the risk of insulin resistance. Synthesis of cytochrome c oxidase 1 (SCO1) functions in the assembly of cytochrome c oxidase (COX) and cellular copper homeostasis...
June 21, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28647324/ampk-as-a-therapeutic-target-for-treating-metabolic-diseases
#2
REVIEW
Emily A Day, Rebecca J Ford, Gregory R Steinberg
The AMP-activated protein kinase (AMPK) is a central regulator of multiple metabolic pathways and may have therapeutic importance for treating obesity, insulin resistance, type 2 diabetes (T2D), non-alcoholic fatty liver disease (NAFLD), and cardiovascular disease (CVD). Given the ubiquitous expression of AMPK, it has been a challenge to evaluate which tissue types may be most beneficially poised for mediating the positive metabolic effects of AMPK-centered treatments. In this review we evaluate the metabolic phenotypes of transgenic mouse models in which AMPK expression and function have been manipulated, and the impact this has on controlling lipid metabolism, glucose homeostasis, and inflammation...
June 21, 2017: Trends in Endocrinology and Metabolism: TEM
https://www.readbyqxmd.com/read/28647274/sonic-hedgehog-pathway-suppression-and-reactivation-accelerates-differentiation-of-rat-adipose-derived-mesenchymal-stromal-cells-toward-insulin-producing-cells
#3
Dian Dayer, Mahmoud Hashemi Tabar, Eskandar Moghimipour, Mohammad Reza Tabandeh, Ata A Ghadiri, Elham Allah Bakhshi, Mahmoud Orazizadeh, Mohammad Ali Ghafari
BACKGROUND AIMS: Sonic hedgehog (Shh) is an intercellular signaling molecule that regulates pancreas development in mammals. Manipulation of Shh signaling pathway can be used as reliable approach to improve the generation of functional insulin-producing cells (IPCs) from mesenchymal stromal cells (MSCs). METHODS: In the present study, a novel differentiation protocol was used to produce IPCs from adipose tissue-derived MSCs (ATDMSCs) based on sequential inhibition and reactivation of Shh pathway...
June 21, 2017: Cytotherapy
https://www.readbyqxmd.com/read/28646412/efficacy-of-additional-canagliflozin-administration-to-type-2-diabetes-patients-receiving-insulin-therapy-examination-of-diurnal-glycemic-patterns-using-continuous-glucose-monitoring-cgm
#4
Mihoko Matsumura, Yuki Nakatani, Seiichi Tanka, Chie Aoki, Masaaki Sagara, Kazunori Yanagi, Kunihiro Suzuki, Yoshimasa Aso
INTRODUCTION: The efficacy of administering a sodium-glucose cotransporter 2 inhibitor during insulin therapy has not been established. In this study, we examined its effects based on diurnal glycemic patterns using continuous glucose monitoring (CGM). METHODS: The subjects were 15 patients who had received insulin therapy for 1 year or more. A CGM device was attached to all subjects for 1 week. The administration of canagliflozin at 100 mg was started 4 days after attachment...
June 23, 2017: Diabetes Therapy: Research, Treatment and Education of Diabetes and related Disorders
https://www.readbyqxmd.com/read/28646031/metabolism-and-acetylation-contribute-to-leucine-mediated-inhibition-of-cardiac-glucose-uptake
#5
Edith Renguet, Audrey Ginion, Roselle Gélinas, Laurent Bultot, Julien Auquier, Isabelle Robillard Frayne, Caroline Daneault, Jean-Louis Vanoverschelde, Christine Des Rosiers, Louis Hue, Sandrine Horman, Christophe Beauloye, Luc Bertrand
High plasma leucine levels strongly correlate with type 2 diabetes. Studies of muscle cells suggest that leucine alters the insulin response for glucose transport by activating an insulin-negative feedback loop driven by the mammalian target of rapamycin/p70 ribosomal S6 kinase (mTOR/p70S6K) pathway. Here, we examined the molecular mechanism involved in leucine's action on cardiac glucose uptake. Leucine was indeed able to curb glucose uptake after insulin stimulation in both cultured cardiomyocytes and perfused hearts...
June 23, 2017: American Journal of Physiology. Heart and Circulatory Physiology
https://www.readbyqxmd.com/read/28645613/regulation-of-testicular-steroidogenesis-by-foxa3-via-transcriptional-modulation-of-er%C3%AE-signaling-in-type-2-diabetes-mellitus-t2dm
#6
Yong Zhao, Hong-Xin Li, Ke Wang, Bin-Yuan Yan, Wei Li
Although both insulin and estrogen receptor α (ERα) are known to exert inhibitory effects on testicular steroidogenesis, it remains unknown whether these pathways regulate testosterone (T) production under certain pathological conditions [e.g., type 2 diabetes mellitus (T2DM)] in a coordinated manner. Here, we found that the expression of forkhead box protein A3 (Foxa3), an essential transcriptional regulator engaged in adipogenesis and energy metabolism, was significantly down-regulated in the Leydig cells (LCs) from T-deficient T2DM mice...
June 20, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28645427/antidiabetic-medication-statins-and-the-risk-of-endometrioid-endometrial-cancer-in-patients-with-type-2-diabetes
#7
Reetta Arima, Mikko Marttila, Ari Hautakoski, Martti Arffman, Reijo Sund, Pirjo Ilanne-Parikka, Jenni Kangaskokko, Esa Läärä, Ulla Puistola, Marianne Hinkula
OBJECTIVE: To gain further evidence of an association between the incidence of endometrial cancer (EC) and the use of metformin, other antidiabetic medication (ADM) and statins in women with type 2 diabetes (T2D). METHODS: A retrospective cohort of 92,366 women with newly diagnosed T2D was obtained from a diabetes register (FinDM). 590 endometrioid ECs were observed during the follow-up time. Poisson regression was utilized to estimate the hazard ratios (HRs) with 95% confidence intervals (95% CIs) of the endometrioid EC in relation to the use of metformin, other oral ADM, insulin and statins...
June 20, 2017: Gynecologic Oncology
https://www.readbyqxmd.com/read/28645216/iglarlixi-a-fixed-ratio-combination-of-insulin-glargine-100-u-ml-and-lixisenatide-for-the-treatment-of-type-2-diabetes
#8
Jennifer Goldman, Jennifer M Trujillo
OBJECTIVE: To review the safety and efficacy of iGlarLixi, a titratable fixed-ratio combination of insulin glargine 100 U/mL (iGlar) and lixisenatide, a glucagon-like peptide-1 receptor agonist. DATA SOURCES: A literature search of MEDLINE for all English-language primary articles through June 2016, using the terms LixiLan, iGlarLixi and insulin glargine and lixisenatide, and a search of abstracts presented at the 2016 Scientific Sessions of the American Diabetes Association were performed...
June 1, 2017: Annals of Pharmacotherapy
https://www.readbyqxmd.com/read/28644881/gestational-diabetes-mellitus-and-risk-of-type-2-diabetes-10-years-after-the-index-pregnancy-in-sri-lankan-women-a-community-based-retrospective-cohort-study
#9
Himali Herath, Rasika Herath, Rajitha Wickremasinghe
BACKGROUND: Women with a history of gestational diabetes mellitus (GDM) have an increased risk of type 2 diabetes mellitus (T2DM) later in life compared to women with no GDM. This study was aimed to determine the risk of developing T2DM 10 years after GDM in Sri Lankan women. METHODS: A retrospective cohort study was conducted in the Colombo district, Sri Lanka. 7205 women who delivered a child in 2005 were identified through Public Health Midwives in the field...
2017: PloS One
https://www.readbyqxmd.com/read/28644562/efficacy-of-ipragliflozin-as-monotherapy-or-as-add-on-therapy-with-other-oral-antidiabetic-medications-in-treating-type-2-diabetes-in-japanese-patients-with-inadequate-glycemic-control-a-subgroup-analysis-based-on-patient-characteristics
#10
Takeshi Osonoi, Shinya Nakamoto, Miyoko Saito, Atsuko Tamasawa, Hidenori Ishida, Yusuke Osonoi
AIMS/INTRODUCTION: The aim of the present study was to evaluate the efficacy and safety of ipragliflozin in treating Japanese type 2 diabetic patients with inadequate glycemic control by investigating diurnal variations of blood glucose and body composition. MATERIALS AND METHODS: This was an investigator-initiated, multicenter, prospective study with a 6-month treatment period. The primary outcome investigated was change in hemoglobin A1c levels from baseline. Secondary outcomes included changes in fasting plasma glucose, insulin resistance, variations in 24-h glucose levels detected by continuous glucose monitoring, body weight, body composition, waist circumference, and serum lipids...
June 23, 2017: Journal of Diabetes Investigation
https://www.readbyqxmd.com/read/28643425/ideglira-was-effective-across-a-range-of-dysglycaemia-and-bmi-categories-in-the-dual-v-randomized-trial
#11
Ildiko Lingvay, Stewart Harris, Elmar Jaeckel, Keval Chandarana, Mattis F Ranthe, Esteban Jódar
This study assessed the efficacy of insulin degludec/liraglutide (IDegLira) versus insulin glargine U100 (IGlar) across categories of baseline HbA1c (≤7.5%, >7.5- ≤ 8.5% and >8.5%), body mass index (BMI; <30, ≥30- < 35 and ≥35 kg/m(2) ) and fasting plasma glucose (FPG; <7.2 and ≥7.2 mmol/L) in patients with type 2 diabetes (T2D) uncontrolled on basal insulin, using post hoc analyses of the DUAL V 26-week trial. With IDegLira, mean HbA1c was reduced across all baseline HbA1c (1...
June 23, 2017: Diabetes, Obesity & Metabolism
https://www.readbyqxmd.com/read/28643299/the-association-between-circulating-fetuin-a-levels-and-type-2-diabetes-mellitus-risk-systematic-review-and-meta-analysis-of-observational-studies
#12
REVIEW
F Roshanzamir, M Miraghajani, M H Rouhani, M Mansourian, R Ghiasvand, S M Safavi
BACKGROUND AND OBJECTIVE: Fetuin-A is a liver-derived circulating protein that is associated with insulin resistance and diabetes. The objective of this systematic review and meta-analysis of published observational studies was to investigate mean levels of fetuin-A in T2D patients and the relationship between blood fetuin-A levels and T2D risk. MATERIALS AND METHODS: PubMed, Embase, Google Scholar, Web of Science, and The Cochrane Library were systematically searched for potential relevant studies up to 1 December 2016...
June 22, 2017: Journal of Endocrinological Investigation
https://www.readbyqxmd.com/read/28643293/-why-is-a-combination-of-basal-insulin-with-a-glp-1-receptor-agonist-useful-in-many-patients-with-type-2-diabetes
#13
Michael Nauck, Birgit Wilhelm
BACKGROUND: In 2015, the combination of basal insulin and GLP-1 receptor agonist (RA) was incorporated into the guideline recommendations for type 2 diabetes as an option for the last escalation step. The two antidiabetics to be injected subcutaneously are complementary regarding their respective main effects and limitations. Basal insulin is predominantly active between meals and in the fasting state, whereas the main action of GLP-1 RA consists in preventing an excessive postprandial blood glucose increase...
June 2017: MMW Fortschritte der Medizin
https://www.readbyqxmd.com/read/28643218/empagliflozin-improves-left-ventricular-diastolic-dysfunction-in-a-genetic-model-of-type-2-diabetes
#14
Nadjib Hammoudi, Dongtak Jeong, Rajvir Singh, Ahmed Farhat, Michel Komajda, Eric Mayoux, Roger Hajjar, Djamel Lebeche
PURPOSE: Cardiovascular (CV) diseases in type 2 diabetes (T2DM) represent an enormous burden with high mortality and morbidity. Sodium-glucose cotransporter 2 (SGLT2) inhibitors have recently emerged as a new antidiabetic class that improves glucose control, as well as body weight and blood pressure with no increased risk of hypoglycemia. The first CV outcome study terminated with empagliflozin, a specific SGLT2 inhibitor, has shown a reduction in CV mortality and in heart failure hospitalization, suggesting a beneficial impact on cardiac function which remains to be demonstrated...
June 22, 2017: Cardiovascular Drugs and Therapy
https://www.readbyqxmd.com/read/28643028/polycystic-ovary-syndrome-adipose-tissue-and-metabolic-syndrome
#15
REVIEW
Alessandro P Delitala, Giampiero Capobianco, Giuseppe Delitala, Pier Luigi Cherchi, Salvatore Dessole
PURPOSE: Polycystic ovary syndrome (PCOS) is the most common endocrine disorder that affects women of reproductive age and is characterized by ovulatory dysfunction and/or androgen excess or polycystic ovaries. Women with PCOS present a number of systemic symptoms in addition to those related to the reproductive system. It has been associated with functional derangements in adipose tissue, metabolic syndrome, type 2 diabetes, and an increased risk of cardiovascular disease (CVD). METHODS: A detailed literature search on Pubmed was done for articles about PCOS, adipokines, insulin resistance, and metabolic syndrome...
June 22, 2017: Archives of Gynecology and Obstetrics
https://www.readbyqxmd.com/read/28642704/quercetin-a-lead-compound-against-type-2-diabetes-ameliorates-glucose-uptake-via-ampk-pathway-in-skeletal-muscle-cell-line
#16
R Dhanya, A D Arya, P Nisha, P Jayamurthy
Herein we investigated the molecular mechanism of action of the citrus flavonoid, quercetin in skeletal muscle cells (L6 myotubes). Taking advantage of protein kinase inhibitors, we proved that the effect of quercetin on 2-NBDG uptake in L6 myotubes was not through insulin signaling pathway, but through adenosine monophosphate kinase (AMPK) pathway and its downstream target p38 MAPK. An increase in the cellular AMP to ATP ratio on pretreatment may account for AMPK activation which was coupled with a transient change in mitochondrial membrane potential...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28642028/discovery-of-novel-5-oxa-2-6-diazaspiro-3-4-oct-6-ene-derivatives-as-potent-selective-and-orally-available-somatostatin-receptor-subtype-5-sstr5-antagonists-for-treatment-of-type-2-diabetes-mellitus
#17
Hideki Hirose, Takeshi Yamasaki, Masaki Ogino, Ryo Mizojiri, Yumiko Tamura-Okano, Hiroaki Yashiro, Yo Muraki, Yoshihide Nakano, Jun Sugama, Akito Hata, Shinji Iwasaki, Masanori Watanabe, Tsuyoshi Maekawa, Shizuo Kasai
Somatostatin receptor subtype 5 (SSTR5) has emerged as a novel attractive drug target for type 2 diabetes mellitus. Starting from N-benzyl azetidine derivatives 1 and 2 as in-house hit compounds, we explored the introduction of a carboxyl group into the terminal benzene of 1 to enhance SSTR5 antagonistic activity by the combination of the substituents at the 3-position of the isoxazoline. Incorporation of a carboxyl group at the 4-position of the benzene ring resulted in a significant enhancement in potency, however, the 4-benzoic acid derivative 10c exhibited moderate human ether-a-go-go related gene (hERG) inhibitory activity...
June 9, 2017: Bioorganic & Medicinal Chemistry
https://www.readbyqxmd.com/read/28641818/the-role-of-kr%C3%A3-ppel-like-factor-14-in-the-pathogenesis-of-atherosclerosis
#18
REVIEW
Wei Xie, Liang Li, Xi-Long Zheng, Wei-Dong Yin, Chao-Ke Tang
The Krüppel-like factor (KLF) family, as the SP/XKLF transcription factors, plays important roles in regulating the expression of genes required for the proper execution of important biological and pathological processes. Recent studies have demonstrated that KLF14, a member of the KLF family, participates in the initiation and progression of atherosclerotic cardiovascular disease (CVD). From the molecular function aspect, this review focuses on the impact of KLF14-mediated regulation in major atherosclerosis-related diseases and pathological processes, such as insulin resistance, type 2 diabetes, dyslipidemia, inflammation, obesity, metabolic syndrome, cell proliferation and differentiation...
June 7, 2017: Atherosclerosis
https://www.readbyqxmd.com/read/28641781/pregnancy-to-postpartum-transition-of-serum-metabolites-in-women-with-gestational-diabetes
#19
Elin Chorell, Ulrika Andersson Hall, Carolina Gustavsson, Kerstin Berntorp, Jatta Puhkala, Riitta Luoto, Tommy Olsson, Agneta Holmäng
CONTEXT: Gestational diabetes is commonly linked to development of type 2 diabetes mellitus (T2DM). There is a need to characterize metabolic changes associated with gestational diabetes in order to find novel biomarkers for T2DM. OBJECTIVE: To find potential pathophysiological mechanisms and markers for progression from gestational diabetes mellitus to T2DM by studying the metabolic transition from pregnancy to postpartum. DESIGN: The metabolic transition profile from pregnancy to postpartum was characterized in 56 women by mass spectrometry-based metabolomics; 11 women had gestational diabetes mellitus, 24 had normal glucose tolerance, and 21 were normoglycaemic but at increased risk for gestational diabetes mellitus...
July 2017: Metabolism: Clinical and Experimental
https://www.readbyqxmd.com/read/28641522/advances-on-ppar%C3%AE-research-in-the-emerging-era-of-precision-medicine
#20
Pinyi Lu, Zhongming Zhao
BACKGROUND: Peroxisome proliferator-activated receptor gamma (PPARγ) is a member of the nuclear receptor superfamily that functions as a ligand-inducible transcription factor. It regulates glucose and lipid metabolism, immunity, and cellular growth and differentiation. Thiazolidinediones (TZDs) are potent insulin sensitizers that function by activating PPARs, with a high specificity for PPARγ. Due to their ability to preserve pancreatic beta cell function and reduce insulin resistance, TZDs have become one of the most prescribed classes of medications for type 2 diabetes (T2D) since their approval by the US Food and Drug Administration (FDA) and initial use in 1997...
June 21, 2017: Current Drug Targets
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