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Pioglitazon

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https://www.readbyqxmd.com/read/28630491/chronic-high-fat-feeding-restricts-islet-mrna-translation-initiation-independently-of-er-stress-via-dna-damage-and-p53-activation
#1
Masayuki Hatanaka, Emily Anderson-Baucum, Alexander Lakhter, Tatsuyoshi Kono, Bernhard Maier, Sarah A Tersey, Yukio Tanizawa, Carmella Evans-Molina, Raghavendra G Mirmira, Emily K Sims
Under conditions of high fat diet (HFD) consumption, glucose dyshomeostasis develops when β-cells are unable to adapt to peripheral insulin demands. Few studies have interrogated the molecular mechanisms of β-cell dysfunction at the level of mRNA translation under such conditions. We sought to address this issue through polyribosome profile analysis of islets from mice fed 16-weeks of 42% HFD. HFD-islet analysis revealed clear trends toward global reductions in mRNA translation with a significant reduction in the polyribosome/monoribosome ratio for Pdx1 mRNA...
June 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28626866/activation-of-catalase-by-pioglitazone-multiple-spectroscopic-methods-combined-with-molecular-docking-studies
#2
Reza Yekta, Gholamreza Dehghan, Samaneh Rashtbari, Nader Sheibani, Ali Akbar Moosavi-Movahedi
Pioglitazone is an important prescription antidiabetic drug with positive roles in controlling high blood sugar in patients with type 2 diabetes. In the present study, we investigated the effects of pioglitazone on the structure and function of bovine liver catalase (BLC) using different spectroscopic and theoretical methods. UV-Vis absorption, fluorescence spectroscopy, synchronous fluorescence, and circular dichroism studies revealed conformational changes in the BLC structure and heme group in the presence of different concentrations of pioglitazone...
June 19, 2017: Journal of Molecular Recognition: JMR
https://www.readbyqxmd.com/read/28625806/a-randomized-placebo-controlled-double-blinded-crossover-trial-of-pioglitazone-for-severe-asthma
#3
Maryann Kaler, Amisha V Barochia, Nargues A Weir, Rosemarie A Cuento, Mario Stylianou, Mark J Roth, Armando C Filie, Ellen C Vaughey, Steven D Nathan, Stewart J Levine
The PPAR-γ agonist, pioglitazone, was associated with significant side effects and did not improve the primary outcome measure of the Juniper Asthma Quality of Life Questionnaire (AQLQ) score in severe asthmatics. We conclude that no further studies should be performed with pioglitazone for severe asthma.
June 15, 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28623552/pioglitazone-and-the-risk-of-bladder-cancer-a-meta-analysis
#4
REVIEW
Elena Filipova, Katya Uzunova, Krassimir Kalinov, Toni Vekov
People with type 2 diabetes are at increased risk of bladder cancer. Pioglitazone is said to increase it further, although published evidence is mixed. We conducted a meta-analysis to determine if any link between the use of pioglitazone and an increased risk of bladder cancer can be found. A comprehensive literature search was conducted through electronic databases as well as registries for data of clinical trials to identify studies that investigate the effect of pioglitazone on bladder cancer in diabetic patients...
June 16, 2017: Diabetes Therapy: Research, Treatment and Education of Diabetes and related Disorders
https://www.readbyqxmd.com/read/28620495/familial-partial-lipodystrophy-and-proteinuric-renal-disease-due-to-a-missense-c-1045c%C3%A2-%C3%A2-t-lmna-mutation
#5
Athanasios Fountas, Zoe Giotaki, Evangelia Dounousi, George Liapis, Alexandra Bargiota, Agathocles Tsatsoulis, Stelios Tigas
Proteinuric renal disease is prevalent in congenital or acquired forms of generalized lipodystrophy. In contrast, an association between familial partial lipodystrophy (FPLD) and renal disease has been documented in very few cases. A 22-year-old female patient presented with impaired glucose tolerance, hyperinsulinemia, hirsutism and oligomenorrhea. On examination, there was partial loss of subcutaneous adipose tissue in the face, upper and lower limbs, bird-like facies with micrognathia and low set ears and mild acanthosis nigricans...
2017: Endocrinology, Diabetes & Metabolism Case Reports
https://www.readbyqxmd.com/read/28615237/erratum-combination-therapy-with-exenatide-plus-pioglitazone-versus-basal-bolus-insulin-in-patients-with-poorly-controlled-type-2-diabetes-on-sulfonylurea-plus-metformin-the-qatar-study-diabetes-care-2017-40-325-331
#6
Muhammad Abdul-Ghani, Osama Migahid, Ayman Megahed, John Adams, Curtis Triplitt, Ralph A DeFronzo, Mahmoud Zirie, Amin Jayyousi
No abstract text is available yet for this article.
June 14, 2017: Diabetes Care
https://www.readbyqxmd.com/read/28612683/determination-of-26-anti-diabetic-compounds-in-dietary-supplements-using-a-validated-uplc-method
#7
Nam Sook Kim, Kyu Yeon Kim, Geum Joo Yoo, Ji Hyun Lee, Han Na Park, Sung-Kwan Park, Sun Young Baek
The purpose of this study was to validate a rapid, simple, and accurate method using ultra performance liquid chromatography (UPLC) for the simultaneous determination of 26 anti-diabetic compounds in illegally adulterated dietary supplements. The method was validated for specificity, linearity, limit of detection, limit of quantitation, precision, accuracy, recovery, and stability. All compounds were separated with a resolution of over 1.5. The limits of detection and quantitation were 0.10-1.70 and 0.30-5...
June 14, 2017: Food Additives & Contaminants. Part A, Chemistry, Analysis, Control, Exposure & Risk Assessment
https://www.readbyqxmd.com/read/28606576/insulin-sensitizers-improve-the-glp-1-secretion-and-the-amount-of-intestinal-l-cells-on-high-fat-diet-induced-catch-up-growth
#8
Juan Zheng, Kang-Li Xiao, Lulu Chen, Chaodong Wu, Xiang Hu, Tianshu Zeng, Xiao-Qian Chen, Wen-Juan Li, Xiuling Deng, Huiqing Li, Yu-Ming Li
OBJECTIVE: The aim of this study was to investigate whether insulin resistance can result in impaired glucagon-like peptide (GLP)-1 secretion and to determine whether insulin-sensitizing drugs could improve the secretion of GLP-1 in catch-up growth rats. METHODS: Male Sprague Dawley rats were used to establish a catch-up growth model. At the end of weeks 6 and 14, these rats were euthanized to measure energy intake, body weight, plasma triacylglycerol, and nonesterified fatty acid...
July 2017: Nutrition
https://www.readbyqxmd.com/read/28606340/cardiovascular-protection-in-the-treatment-of-type-2-diabetes-a%C3%A2-review-of-clinical-trial-results-across-drug-classes
#9
Francesco Paneni, Thomas F Lüscher
Patients with type 2 diabetes (T2DM) have a significantly higher risk of developing cardiovascular disease (CVD)-namely myocardial infarction, heart failure, and stroke. Despite clear advances in the prevention and treatment of CVD, the impact of T2DM on CVD outcome remains high and continues to escalate. Available evidence indicates that the risk of macrovascular complications increases with the severity of hyperglycemia, thus suggesting that the relation between metabolic disturbances and vascular damage is approximately linear...
July 1, 2017: American Journal of Cardiology
https://www.readbyqxmd.com/read/28603033/in-vivo-analysis-of-supersaturation-precipitation-absorption-behavior-after-oral-administration-of-pioglitazone-hydrochloride-salt-determinant-site-of-oral-absorption
#10
Yusuke Tanaka, Masahisa Sugihara, Ayaka Kawakami, So Imai, Takafumi Itou, Hirokazu Murase, Kazunori Saiki, Satoshi Kasaoka, Hiroshi Yoshikawa
The purpose of this study was to evaluate in vivo supersaturation/precipitation/absorption behavior in the gastrointestinal (GI) tract based on the luminal concentration-time profiles after oral administration of pioglitazone (PG, a highly permeable lipophilic base) and its hydrochloride salt (PG-HCl) to rats. In the in vitro precipitation experiment in the classic closed system, while the supersaturation was stable in the simulated gastric condition, PG drastically precipitated in the simulated intestinal condition, particularly at a higher initial degree of supersaturation...
June 9, 2017: European Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28597936/the-beneficial-metabolic-effects-of-insulin-sensitizers-are-not-attenuated-by-mitochondrial-pyruvate-carrier-2-hypomorphism
#11
Patrick A Vigueira, Kyle S McCommis, Wesley T Hodges, George G Schweitzer, Serena L Cole, Lalita Oonthonpan, Eric B Taylor, William G McDonald, Rolf F Kletzien, Jerry R Colca, Brian N Finck
Rosiglitazone and pioglitazone are thiazolidinedione (TZD) compounds that have been used clinically as insulin-sensitizing drugs and are generally believed to mediate their effects via activation of the peroxisome proliferator-activated receptor γ (PPARγ). Recent work has shown that it is possible to synthesize TZD compounds with potent insulin-sensitizing effects and markedly-diminished affinity for PPARγ. Both clinically-used TZDs and investigational PPARγ-sparing TZDs, such as MSDC-0602, interact with the mitochondrial pyruvate carrier (MPC) and inhibit its activity...
June 9, 2017: Experimental Physiology
https://www.readbyqxmd.com/read/28595561/sexual-dysfunction-cardiovascular-risk-and-effects-of-pharmacotherapy
#12
Konstantinos P Imprialos, Konstantinos Stavropoulos, Michael Doumas, Konstantinos Tziomalos, Asterios Karagiannis, Vasilios G Athyros
Sexual dysfunction affects millions of people with an increasing prevalence, worldwide. The pathophysiology of the disease shares several similarities with cardiovascular disease (CVD), including atherosclerosis, endothelial dysfunction, structural vascular damage and subclinical inflammation. Erectile dysfunction (ED) and female sexual dysfunction are common among patients with CVD and risk factors such as hypertension, diabetes, obesity and metabolic syndrome. Given the common pathogenesis of the diseases, ED is an independent prognostic factor of future ED events...
June 9, 2017: Current Vascular Pharmacology
https://www.readbyqxmd.com/read/28595081/pioglitazone-attenuates-lipopolysaccharide-induced-depression-like-behaviors-modulates-nf-%C3%AE%C2%BAb-il-6-stat3-creb-bdnf-pathways-and-central-serotonergic-neurotransmission-in-mice
#13
L Liao, X D Zhang, J Li, Z W Zhang, C C Yang, C L Rao, C J Zhou, L Zeng, L B Zhao, L Fang, D Y Yang, P Xie
Immune activation and inflammation are closely associated with the development of depression. Pioglitazone (PIO), a peroxisome proliferator-activated receptor gamma (PPAR-γ) agonist, has exhibited antidepressant-like effects in a couple of studies. However, the underlying mechanisms are far from being fully elucidated. The study aimed to investigate the effects of PIO on depression-like behaviors induced by lipopolysaccharide (LPS) and to explore the possible underlying mechanisms. The results showed that PIO pretreatment attenuated the depression-like behaviors in mice challenged with intracerebroventricular (i...
June 5, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28586016/protective-effects-of-asiatic-acid-in-a-spontaneous-type%C3%A2-2-diabetic-mouse-model
#14
Wen Sun, Guangyuan Xu, Xuan Guo, Guangbin Luo, Lili Wu, Yi Hou, Xiangyu Guo, Jingxin Zhou, Tunhai Xu, Lingling Qin, Yixin Fan, Li Han, Motlalepula Matsabisa, Xuesheng Ma, Tonghua Liu
Asiatic acid (AA) has been demonstrated to exhibit anti-diabetic activity. However, the mechanisms and underlying signaling pathways remain to be elucidated. The present study was performed to confirm the protective effect of AA and demonstrate its ability to regulate the phosphatidylinositol 3‑kinase (PI3K)/protein kinase B (AKT)/glycogen synthase kinase‑3β (GSK‑3β) signaling pathway in db/db mice. Db/db mice fed on a high‑fat diet were used to model diabetes mellitus. Modeled mice were divided randomly into the model control, pioglitazone hydrochloride tablet (PH) and AA groups...
June 2, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28582649/synthesis-molecular-docking-and-anti-diabetic-evaluation-of-2-4-thiazolidinedione-based-amide-derivatives
#15
Mohd Javed Naim, Md Jahangir Alam, Farah Nawaz, V G M Naidu, Shams Aaghaz, Meeta Sahu, Nadeem Siddiqui, Ozair Alam
A series of thiazolidinedione based amide derivatives were designed, synthesized and docked against the PPARγ receptor target. 11 compounds from the series with good glide scores were selected for in vivo antidiabetic study based on streptozotocin induced diabetic rat model. It was observed that 4 compounds (6c, 6e, 6m &6n) showed significantly good antidiabetic activity in comparison to rosiglitazone and pioglitazone as reference drugs. Compound 6c appeared as the most potent derivative in lowering blood glucose level and showed excellent interaction with SER 342, ILE 281, pi-pi interaction with ARG 288 and halogen bond interaction with LYS 367...
May 6, 2017: Bioorganic Chemistry
https://www.readbyqxmd.com/read/28581362/ppars-regulators-of-metabolism-and-as-therapeutic-targets-in-cardiovascular-disease-part-ii-ppar-%C3%AE-%C3%AE-and-ppar-%C3%AE
#16
Lu Han, Wen-Jun Shen, Stefanie Bittner, Fredric B Kraemer, Salman Azhar
The PPARs are a subfamily of three ligand-inducible transcription factors, which belong to the superfamily of nuclear hormone receptors. In mammals, the PPAR subfamily consists of three members: PPAR-α, PPAR-β/δ and PPAR-γ. PPARs control the expression of a large number of genes involved in metabolic homeostasis, lipid, glucose and energy metabolism, adipogenesis and inflammation. PPARs regulate a large number of metabolic pathways that are implicated in the pathogenesis of metabolic diseases such as metabolic syndrome, Type 2 diabetes mellitus, nonalcoholic fatty liver disease and cardiovascular disease...
June 5, 2017: Future Cardiology
https://www.readbyqxmd.com/read/28575232/liver-safety-of-statins-in-prediabetes-or-t2dm-and-nonalcoholic-steatohepatitis-post-hoc-analysis-of-a-randomized-trial
#17
Fernando Bril, Paola Portillo Sanchez, Romina Lomonaco, Beverly Orsak, Joan Hecht, Fermin Tio, Kenneth Cusi
Context: Patients with NAFLD have a high cardiovascular risk, but statins are rarely prescribed due to fear of hepatotoxicity. Objective: To perform a prospective assessment of the long-term safety of statins in patients with prediabetes/T2DM and NASH. Design: Post-hoc analysis of statin use during a randomized, controlled trial (RCT) assessing pioglitazone vs. placebo in patients with NASH. Patients: A total of 101 subjects (86 on statins) with biopsy-proven NASH and prediabetes/T2DM were followed for up to 36 months...
June 1, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28566590/the-effects-of-pioglitazone-on-bone-formation-and-resorption-markers-in-type-2-diabetes-mellitus
#18
Hiroko Mori, Yosuke Okada, Yoshiya Tanaka
Objective The use of thiazolidinediones is reported to be associated with an increased frequency of fractures, especially in women; however, the underlying mechanism is not clear. In this prospective study, we compared the effects of pioglitazone and metformin on bone metabolism in Japanese patients with type 2 diabetes mellitus. Methods A total of 58 patients with type 2 diabetes (24 men and 34 women) were randomly assigned to receive either pioglitazone (30 and 15 mg/day for men and women, respectively) or metformin (750 mg/day)...
2017: Internal Medicine
https://www.readbyqxmd.com/read/28560603/micro-rna-130a-3p-regulates-gemcitabine%C3%A2-resistance-via-pparg-in-cholangiocarcinoma
#19
Kei Asukai, Koichi Kawamoto, Hidetoshi Eguchi, Masamitsu Konno, Ayumu Asai, Yoshifumi Iwagami, Daisaku Yamada, Tadafumi Asaoka, Takehiro Noda, Hiroshi Wada, Kunihito Gotoh, Naohiro Nishida, Taroh Satoh, Yuichiro Doki, Masaki Mori, Hideshi Ishii
BACKGROUND: The prognosis of cholangiocarcinoma (CCA) is so poor that its chemoresistance needs to be reduced. In this study, we focused on the microRNAs (miRNAs) associated with gemcitabine resistance of CCA and assessed the clinical significance of miRNAs and their target genes. METHODS: We performed miRNA microarray analysis for two CCA cell lines (CCLP-1 and MzChA-1) and their gemcitabine-resistant (GR) cells. An miR-130a-3p mimic was induced into CCA cells using lipofection, and we used pioglitazone as a peroxisome proliferator-activated receptor-γ (PPARγ) agonist in vitro...
May 30, 2017: Annals of Surgical Oncology
https://www.readbyqxmd.com/read/28556428/identification-of-tissue-specific-transcriptional-markers-of-caloric-restriction-in-the-mouse-and-their-use-to-evaluate-caloric-restriction-mimetics
#20
Jamie L Barger, James M Vann, Nicole L Cray, Thomas D Pugh, Angela Mastaloudis, Shelly N Hester, Steven M Wood, Michael A Newton, Richard Weindruch, Tomas A Prolla
Caloric restriction (CR) without malnutrition has been shown to retard several aspects of the aging process and to extend lifespan in different species. There is strong interest in the identification of CR mimetics (CRMs), compounds that mimic the beneficial effects of CR on lifespan and healthspan without restriction of energy intake. Identification of CRMs in mammals is currently inefficient due to the lack of screening tools. We have performed whole-genome transcriptional profiling of CR in seven mouse strains (C3H/HeJ, CBA/J, DBA/2J, B6C3F1/J, 129S1/SvImJ, C57BL/6J, and BALB/cJ) in white adipose tissue (WAT), gastrocnemius muscle, heart, and brain neocortex...
May 26, 2017: Aging Cell
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