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Type 1 diabetes

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https://www.readbyqxmd.com/read/29454281/probing-the-%C3%AE-pocket-of-the-active-site-of-human-liver-glycogen-phosphorylase-with-3-c-%C3%AE-d-glucopyranosyl-5-4-substituted-phenyl-1-2-4-triazole-inhibitors
#1
Efthimios Kyriakis, Theodora G A Solovou, Sándor Kun, Katalin Czifrák, Béla Szőcs, László Juhász, Éva Bokor, George A Stravodimos, Anastassia L Kantsadi, Demetra S M Chatzileontiadou, Vassiliki T Skamnaki, László Somsák, Demetres D Leonidas
Human liver glycogen phosphorylase (hlGP), a key enzyme in glycogen metabolism, is a valid pharmaceutical target for the development of new anti-hyperglycaemic agents for type 2 diabetes. Inhibitor discovery studies have focused on the active site and in particular on glucopyranose based compounds with a β-1 substituent long enough to exploit interactions with a cavity adjacent to the active site, termed the β-pocket. Recently, C-β-d-glucopyranosyl imidazoles and 1, 2, 4-triazoles proved to be the best known glucose derived inhibitors of hlGP...
February 12, 2018: Bioorganic Chemistry
https://www.readbyqxmd.com/read/29453982/glucagon-like-peptide-1-contributes-to-increases-abca1-expression-by-downregulating-mir-758-to-regulate-cholesterol-homeostasis
#2
Yue Yao, Qiang Li, Ping Gao, Wei Wang, Lili Chen, Jinchao Zhang, Yi Xu
Abnormal regulation of lipid metabolism is associated with type 2 diabetes mellitus (T2DM). GLP-1 as a new treatment for T2DM, has unique effects in modulating cholesterol homeostasis. However, the mechanism of this effect is largely missing. The aim of this study was to determine the effects of GLP-1 on cholesterol-induced lipotoxicity in hepatocytes and examine the underlying mechanisms. The cell viability was determined, and caspase-3 was used to detect the effects of GLP-1 on cholesterol-induced apoptosis...
February 14, 2018: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29453923/magnesium-upregulates-insulin-receptor-and-glucose-transporter-4-in-streptozotocin-nicotinamide-induced-type-2-diabetic-rats
#3
Ayodele Olufemi Morakinyo, Titilola Aderonke Samuel, Daniel Abiodun Adekunbi
OBJECTIVE: We investigated the effects of magnesium supplementation on glucose tolerance, insulin sensitivity, oxidative stress as well as the concentration of insulin receptor and glucose transporter-4 in streptozotocin-nicotinamide induced type-2 diabetic (T2D) rats. METHODS: Rats were divided into four groups designated as: 1) control (CTR); 2) diabetic untreated (DU); 3) diabetic treated with 1 mg of Mg/kg diet (Mg1-D); and 4) diabetic treated with 2 mg of Mg/kg diet (Mg2-D)...
January 1, 2018: Endocrine Regulations
https://www.readbyqxmd.com/read/29453742/the-effect-of-physical-activity-interventions-on-glycosylated-haemoglobin-hba-1c-in-non-diabetic-populations-a-systematic-review-and-meta-analysis
#4
REVIEW
Iván Cavero-Redondo, Bárbara Peleteiro, Celia Álvarez-Bueno, Enrique G Artero, Miriam Garrido-Miguel, Vicente Martinez-Vizcaíno
BACKGROUND: Physical activity is widely perceived to be beneficial for preventing type 2 diabetes mellitus and for controlling glycaemic levels in patients with type 2 diabetes, but evidence supporting a positive effect in the control of glycaemic levels in healthy people is rather weak. The aim of this review was to estimate the effect of physical activity on glycaemic control measured by glycosylated haemoglobin (HbA 1c ) levels in non-diabetic populations, and to determine which type of physical activity has a greater influence on glycaemic control...
February 16, 2018: Sports Medicine
https://www.readbyqxmd.com/read/29453659/fracture-risk-in-women-with-type-ii-diabetes-results-from-a-historical-cohort-with-fracture-follow-up
#5
Jakob Præst Holm, Thomas Jensen, Lars Hyldstrup, Jens-Erik Beck Jensen
PURPOSE: To examine the independent association between type II diabetes and fracture risk in a population of predominantly postmenopausal women referred to a specialist clinic for osteoporosis evaluation. METHODS: Type II diabetes associated fracture risk were evaluated among to 229 patients with type II diabetes in a cohort of 6285 women followed on average (until major osteoporotic fracture (MOF), death or end of study) for 5.8 years. Information of fracture risk factors was obtained from a clinical database and from national registries...
February 16, 2018: Endocrine
https://www.readbyqxmd.com/read/29453204/circulating-mirna-profiles-associated-with-hyperglycemia-in-patients-with-type-1-diabetes-mellitus
#6
Eiichiro Satake, Marcus G Pezzolesi, Zaipul I Md Dom, Adam M Smiles, Monika A Niewczas, Andrzej S Krolewski
We investigated plasma microRNA (miRNA) profiles associated with variation of hyperglycemia, measured as hemoglobin A 1c (HbA 1c ), in two panels of patients with type 1 diabetes (T1D). Using the HTG Molecular Diagnostics EdgeSeq platform, 2,083 miRNAs were measured in plasma from 71 patients included in a screening panel. Quantitative real-time polymerase chain reaction was used to measure the candidate miRNAs in plasma from 95 patients included in an independent replication panel. We found 10 miRNAs replicated in both panels and four with high statistical significance...
February 16, 2018: Diabetes
https://www.readbyqxmd.com/read/29453140/serum-apolipoprotein-a-1-concentrations-and-the-prevalence-of-cardiovascular-autonomic-neuropathy-in-individuals-with-type-2-diabetes
#7
Jin Ook Chung, Seon-Young Park, Ji Hyun Han, Dong Hyeok Cho, Dong Jin Chung, Min Young Chung
OBJECTIVE: To evaluate the relationship between levels of serum apolipoproteins and the prevalence of cardiovascular autonomic neuropathy (CAN) in type 2 diabetes. METHODS: In total, 3199 individuals with type 2 diabetes were investigated in a cross-sectional study. The diagnosis of CAN was made based on the results of a cardiovascular reflex test. Serum apolipoprotein A-I (apoA-I) and apolipoprotein B (apoB) levels were measured. RESULTS: Serum apoA-1 levels were significantly low in individuals with CAN, but there was no significant association between serum apoB levels and CAN...
January 31, 2018: Journal of Diabetes and its Complications
https://www.readbyqxmd.com/read/29453110/genetics-of-type-1-diabetes
#8
REVIEW
Catherine C Robertson, Stephen S Rich
Type 1 diabetes is the most common autoimmune disorder in childhood, characterized by the development of autoimmunity through unknown environmental insults in genetically susceptible individuals. There are now over 50 regions of the genome that harbor type 1 diabetes susceptibility genes, with much of the genetic risk now well-defined in youth of Northern European ancestry. The impact of these genetic variants on initiation and progression of the autoimmune process (islet autoimmunity) is now being understood; however, studies are only now being conducted to understand the function of the variants associated with type 1 diabetes risk...
February 13, 2018: Current Opinion in Genetics & Development
https://www.readbyqxmd.com/read/29453020/2018-consensus-of-the-taiwan-society-of-cardiology-and-the-diabetes-association-of-republic-of-china-taiwan-on-the-pharmacological-management-of-patients-with-type-2-diabetes-and-cardiovascular-diseases
#9
Chern-En Chiang, Shih-Yi Lin, Tsung-Hsien Lin, Tzung-Dau Wang, Hung-I Yeh, Jung-Fu Chen, Chia-Ti Tsai, Yi-Jen Hung, Yi-Heng Li, Ping-Yen Liu, Kuan-Cheng Chang, Kang-Ling Wang, Ting-Hsing Chao, Kou-Gi Shyu, Wei-Shiung Yang, Kwo-Chang Ueng, Pao-Hsien Chu, Wei-Hsian Yin, Yen-Wen Wu, Hao-Min Cheng, Shyi-Jang Shin, Chien-Ning Huang, Lee-Ming Chuang, Shing-Jong Lin, San-Jou Yeh, Wayne Huey-Herng Sheu, Jiunn-Lee Lin
The global incidence and prevalence of type 2 diabetes have been escalating in recent decades. Patients with type 2 diabetes have an increased risk of atherosclerotic cardiovascular disease (ASCVD). About two-thirds of death in type 2 diabetes are due to ASCVD, including 40% from coronary heart disease (CHD), 15% from heart failure (HF), and 10% from stroke. The association between hyperglycemia and elevated CV risk has been demonstrated in multiple cohort studies. However, clinical trials of intensive glucose reduction did not significantly reduce macrovascular outcomes...
February 13, 2018: Journal of the Chinese Medical Association: JCMA
https://www.readbyqxmd.com/read/29452961/dipeptidyl-peptidase-4-inhibitors-dpp-4i-combined-with-vitamin-d3-an-exploration-to-treat-new-onset-type-1-diabetes-mellitus-and-latent-autoimmune-diabetes-in-adults-in-the-future
#10
Marcelo Maia Pinheiro, Felipe Moura Maia Pinheiro, Maria Luisa Trabachin
Type 1 diabetes mellitus (T1DM) is a chronic autoimmune disease characterized by destruction of pancreatic beta cells through cell injury caused primarily by cytotoxic T lymphocytes (CD8 + ). The pathophysiological basis of T1DM seems to be an imbalance between a reduced function of T regulatory lymphocytes and an increased inflammatory activity of Th17 lymphocytes caused by increased production of inflammatory cytokines, as IL-1β, IL-6, IL-17 and IFN-gamma due to environmental factors and genetic predisposition...
February 13, 2018: International Immunopharmacology
https://www.readbyqxmd.com/read/29452774/dietary-zinc-intake-and-whole-blood-zinc-concentration-in-subjects-with-type-2-diabetes-versus-healthy-subjects-a-systematic-review-meta-analysis-and-meta-regression
#11
REVIEW
José C Fernández-Cao, Marisol Warthon-Medina, Victoria Hall Moran, Victoria Arija, Carlos Doepking, Nicola M Lowe
The aim of this systematic review, meta-analysis and meta-regression was to examine the relationship between type 2 diabetes mellitus (T2DM) and concentration of zinc in whole blood, as well as dietary zinc intake. Searches were performed using Ovid MEDLINE, Embase (Ovid) and The Cochrane Library (CENTRAL). Observational studies conducted on diabetic and healthy adults, with data on dietary zinc intake and/or concentration of zinc in whole blood, were selected. The search strategy yielded 11,150 publications and the manual search 6, of which 11 were included in the meta-analyses...
February 7, 2018: Journal of Trace Elements in Medicine and Biology
https://www.readbyqxmd.com/read/29452408/genome-wide-association-study-identifies-seven-novel-susceptibility-loci-for-primary-open-angle-glaucoma
#12
Yukihiro Shiga, Masato Akiyama, Koji M Nishiguchi, Kota Sato, Nobuhiro Shimozawa, Atsushi Takahashi, Yukihide Momozawa, Makoto Hirata, Matsuda Koichi, Taiki Yamaji, Motoki Iwasaki, Shoichiro Tsugane, Isao Oze, Haruo Mikami, Mariko Naito, Kenji Wakai, Munemitsu Yoshikawa, Masahiro Miyake, Kenji Yamashiro, Kenji Kashiwagi, Takeshi Iwata, Fumihiko Mabuchi, Mitsuko Takamoto, Mineo Ozaki, Kazuhide Kawase, Makoto Aihara, Makoto Araie, Tetsuya Yamamoto, Yoshiaki Kiuchi, Makoto Nakamura, Yasuhiro Ikeda, Koh-Hei Sonoda, Tatsuro Ishibashi, Koji Nitta, Aiko Iwase, Shiroaki Shirato, Yoshitaka Oka, Mamoru Satoh, Makoto Sasaki, Nobuo Fuse, Yoichi Suzuki, Ching-Yu Cheng, Chiea Chuen Khor, Mani Baskaran, Shamira Perera, Tin Aung, Eranga N Vithana, Jessica N Cooke Bailey, Jae H Kang, Louis R Pasquale, Jonathan L Haines, Janey L Wiggs, Kathryn P Burdon, Puya Gharahkhani, Alex W Hewitt, David A Mackey, Stuart MacGregor, Jamie E Craig, R Rand Allingham, Micheal Hauser, Adeyinka Ashaye, Donald L Budenz, Stephan Akafo, Susan E I Williams, Yoichiro Kamatani, Toru Nakazawa, Michiaki Kubo
Primary open-angle glaucoma (POAG) is the leading cause of irreversible blindness worldwide for which 15 disease-associated loci had been discovered. Among them, only 5 loci have been associated with POAG in Asians. We carried out a genome-wide association study and a replication study that included a total of 7,378 POAG cases and 36,385 controls from a Japanese population. After combining the GWAS and the two replication sets, we identified 11 POAG-associated loci, including 4 known (CDKN2B-AS1, ABCA1, SIX6 and AFAP1) and 7 novel loci (FNDC3B, ANKRD55-MAP3K1, LMX1B, LHPP, HMGA2, MEIS2 and LOXL1) at a genome-wide significance level (p < 5...
February 14, 2018: Human Molecular Genetics
https://www.readbyqxmd.com/read/29452233/role-of-adipose-tissue-derived-stem-cells-differentiated-into-insulin-producing-cells-in-the-treatment-of-type-i-diabetes-mellitus
#13
Mona G Amer, Azza S Embaby, Rehab A Karam, Marwa G Amer
Generation of new β cells is an important approach in the treatment of type 1 diabetes mellitus (type 1 DM). Adipose tissue-derived stem cells (ADSCs) might be one of the best sources for cell replacement therapy for diabetes. Therefore, this work aimed to test the possible role of transplanted insulin-producing cells (IPCs) differentiated from ADSCs in treatment of streptozotocin (STZ) induced type I DM in rats. Type 1 DM was induced by single intra peritoneal injection with STZ (50 mg/kg BW). Half of the diabetic rats were left without treatment and the other half were injected with differentiated IPCs directly into the pancreas...
February 13, 2018: Gene
https://www.readbyqxmd.com/read/29452178/effects-of-canagliflozin-versus-glimepiride-on-adipokines-and-inflammatory-biomarkers-in-type-2-diabetes
#14
W Timothy Garvey, Luc Van Gaal, Lawrence A Leiter, Ujjwala Vijapurkar, James List, Robert Cuddihy, Jimmy Ren, Michael J Davies
OBJECTIVE: Type 2 diabetes and obesity are pro-inflammatory states associated with increased risk of cardiovascular disease. Canagliflozin, an SGLT2 inhibitor, demonstrated superiority in lowering HbA1c versus glimepiride with less hypoglycemia and greater weight reduction via loss of fat mass in a 52-week trial of type 2 diabetes patients. This post hoc, exploratory analysis assessed the effects of canagliflozin versus glimepiride on select adipokines, inflammatory biomarkers, and chemokines...
February 13, 2018: Metabolism: Clinical and Experimental
https://www.readbyqxmd.com/read/29451877/influence-of-hyperbaric-oxygen-on-biomechanics-and-structural-bone-matrix-in-type-1-diabetes-mellitus-rats
#15
Pedro Henrique Justino Oliveira Limirio, Huberth Alexandre da Rocha Junior, Richarlisson Borges de Morais, Karen Renata Nakamura Hiraki, Ana Paula Coelho Balbi, Priscilla Barbosa Ferreira Soares, Paula Dechichi
BACKGROUND: The aim of this study was to evaluate the biomechanics and structural bone matrix in diabetic rats subjected to hyperbaric oxygen therapy (HBO). METHODS: Twenty-four male rats were divided into the following groups: Control; Control + HBO; Diabetic, and Diabetic + HBO. Diabetes was induced with streptozotocin (STZ) in the diabetic Groups. After 30 days, HBO was performed every 48h in HBO groups and all animals were euthanized 60 days after diabetic induction...
2018: PloS One
https://www.readbyqxmd.com/read/29451721/sodium-glucose-co-transporter-2-sglt2-inhibitors-as-add-on-therapy-to-insulin-for-type-1-diabetes-mellitus-systematic-review-and-meta-analysis-of-randomized-controlled-trials
#16
Tomohide Yamada, Nobuhiro Shojima, Hisashi Noma, Toshimasa Yamauchi, Takashi Kadowaki
New treatments for type 1 diabetes are an unmet need. We investigated the efficacy and safety of adding SGLT-2is to insulin for type 1 diabetes by meta-analysis of prospective randomized, placebo-controlled trials. Searching electronic databases up to October 2017 identified 1361 studies, among which 14 were investigated (N=4,591). Meta-analysis revealed that SGLT-2i therapy significantly reduced HbA1c by 0.4% (95% confidence interval [CI]: 0.35, 0.46; P<0.001; I2=0%), fasting plasma glucose by 1.14 mmol/l (0...
February 16, 2018: Diabetes, Obesity & Metabolism
https://www.readbyqxmd.com/read/29451646/profile-of-patients-with-fournier-s-gangrene-and-their-clinical-evolution
#17
Djoney Rafael Dos-Santos, Ulisses Luiz Tasca Roman, André Pereira Westphalen, Keli Lovison, Fernando Antonio C Spencer Neto
OBJECTIVE: to analyze the profile of patients with Fournier's gangrene treated in a public tertiary hospital in western Paraná State. METHODS: we conducted a cross-sectional, retrospective and descriptive study of patients with Fournier's gangrene treated between January 2012 and November 2016. RESULTS: there were 40 patients with Fournier's gangrene treated in the period, 29 (72.5%) men and 11 (27.5%) women. The mean age was 51.7±16.3 years...
2018: Revista do Colégio Brasileiro de Cirurgiões
https://www.readbyqxmd.com/read/29451423/replication-of-type-2-diabetes-associated-variants-in-a-saudi-arabian-population
#18
Ruifang Li-Gao, Salma Majid Wakil, Brian F Meyer, Nduna Dzimiri, Dennis O Mook-Kanamori
Over 120 type 2 diabetes (T2D) loci have been identified from genome-wide association analysis (GWAS), mainly from Caucasian populations. Very limited knowledge is available on the Saudi Arabian population. In this study, 122 previously reported T2D related variants from 84 loci were examined in a Saudi Arabian cohort of 1,578 individuals (659 T2D cases and 919 controls). Eleven SNPs corresponding to 9 independent loci had a p-value <0.05. If a more stringent Bonferroni threshold of p=4.1×10 -4 (=0.05/122) was applied, none of the SNPs would have reached the significance level...
February 16, 2018: Physiological Genomics
https://www.readbyqxmd.com/read/29451367/the-association-between-famine-exposure-in-early-life-and-type-2-diabetes-and-hyperglycemia-in-adulthood-results-from-the-china-health-and-retirement-longitudinal-study-charls
#19
Yanxin Sun, Longfei Zhang, Wenhou Duan, Xin Meng, Chongqi Jia
BACKGROUND: Some studies have shown that famine in early life may influence T2D. The majority of studies on this topic have revealed an association between famine exposure in early life and T2D in adulthood. However, several studies on the Great Chinese Famine were not conducted nationwide. Because the severity of the Great Chinese Famine varied in different regions, the results of regional studies were usually limited. METHODS: We included 7262 participants who were born between October 1, 1949, and July 1, 1966 who were participants in baseline data collection for CHARLS in 2011...
February 16, 2018: Journal of Diabetes
https://www.readbyqxmd.com/read/29451122/sprouting-angiogenesis-in-engineered-pseudo-islets
#20
Monika Hospodiuk, Madhuri Dey, Bugra Ayan, Donna Sosnoski, Kazim Kerim Moncal, Yang Wu, Ibrahim T Ozbolat
Despite the recent achievements in cell-based therapies for curing type-1 diabetes (T1D), capillarization in beta (β)-cell clusters is still a major roadblock as it is essential for long-term viability and function of β-cells in vivo. In this research, we report sprouting angiogenesis in engineered pseudo islets (EPIs) made of mouse insulinoma βTC3 cells and rat heart microvascular endothelial cells (RHMVECs). Upon culturing in three-dimensional (3D) constructs under angiogenic conditions, EPIs sprouted extensive capillaries into the surrounding matrix...
February 16, 2018: Biofabrication
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