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Diabetes. Metabolism disorders

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https://www.readbyqxmd.com/read/29054976/regulation-of-insulin-like-growth-factor-receptors-by-ubiquilin1
#1
Zimple Kurlawala, Rain Dunaway, Parag P Shah, Julie A Gosney, Leah J Siskind, Brian P Ceresa, Levi J Beverly
Insulin-like growth factor-1 receptor (IGF1R) is a receptor tyrosine kinase that mediates growth, proliferation and survival. Dysregulation of IGF pathway contributes to initiation, progression and metastasis of cancer and is also involved in diseases of glucose metabolism, such as Diabetes. We have identified Ubiquilin1 (UBQLN1) as a novel interaction partner of IGF1R, IGF2R and Insulin Receptor. UBQLN family of proteins have been studied primarily in the context of protein quality control and in the field of neurodegenerative disorders...
October 20, 2017: Biochemical Journal
https://www.readbyqxmd.com/read/29054925/platelet-mitochondrial-dysfunction-and-the-correlation-with-human-diseases
#2
REVIEW
Li Wang, Qiang Wu, Zhijia Fan, Rufeng Xie, Zhicheng Wang, Yuan Lu
The platelet is considered as an accessible and valuable tool to study mitochondrial function, owing to its greater content of fully functional mitochondria compared with other metabolically active organelles. Different lines of studies have demonstrated that mitochondria in platelets have function far more than thrombogenesis regulation, and beyond hemostasis, platelet mitochondrial dysfunction has also been used for studying mitochondrial-related diseases. In this review, the interplay between platelet mitochondrial dysfunction and oxidative stress, mitochondrial DNA lesions, electron transfer chain impairments, mitochondrial apoptosis and mitophagy has been outlined...
October 20, 2017: Biochemical Society Transactions
https://www.readbyqxmd.com/read/29051963/applications-of-particulate-oxygen-generating-substances-pogs-in-the-bioartificial-pancreas
#3
John P McQuilling, Sivanandane Sittadjody, Samuel Pendergraft, Alan C Farney, Emmanuel C Opara
Type-1 Diabetes (T1D) is a devastating autoimmune disorder which results in the destruction of beta cells within the pancreas. A promising treatment strategy for T1D is the replacement of the lost beta cell mass through implantation of immune-isolated microencapsulated islets referred to as the bioartificial pancreas. The goal of this approach is to restore blood glucose regulation and prevent the long-term comorbidities of T1D without the need for immunosuppressants. A major requirement in the quest to achieve this goal is to address the oxygen needs of islet cells...
October 20, 2017: Biomaterials Science
https://www.readbyqxmd.com/read/29050364/lncrnas-key-players-and-novel-insights-into-diabetes-mellitus
#4
REVIEW
Xiaoyun He, Chunlin Ou, Yanhua Xiao, Qing Han, Hao Li, Suxian Zhou
Long non-coding RNAs (LncRNAs) are a class of endogenous RNA molecules, which have a transcribing length of over 200 nt, lack a complete functional open reading frame (ORF), and rarely encode a functional short peptide. Recent studies have revealed that disruption of LncRNAs levels correlates with several human diseases, including diabetes mellitus (DM), a complex multifactorial metabolic disorder affecting more than 400 million people worldwide. LncRNAs are emerging as pivotal regulators in various biological processes, in the progression of DM and its associated complications, involving pancreatic β-cell disorder, insulin resistance, and epigenetic regulation, etc...
September 19, 2017: Oncotarget
https://www.readbyqxmd.com/read/29050301/mir-377-promotes-white-adipose-tissue-inflammation-and-decreases-insulin-sensitivity-in-obesity-via-suppression-of-sirtuin-1-sirt1
#5
Jie Peng, Yinghui Wu, Zhao Deng, Yuanfei Zhou, Tongxing Song, Yang Yang, Xiaming Zhang, Tao Xu, Mao Xia, Anle Cai, Zuhong Liu, Jian Peng
Obesity is associated with a wide range of metabolic disorders including inflammation and insulin-resistance. Sirtuin-1 (SIRT1) is an important regulator of metabolic homeostasis and stress response pathways in white adipose tissue. However, involvement of microRNAs (miRNAs) in regulating SIRT1 during obesity-induced inflammation and insulin-resistance remains unclear. Here, we found that miR-377 was upregulated in adipose tissue and showed a negative correlation with SIRT1 in chronic high fat diet (HFD)-fed mice...
September 19, 2017: Oncotarget
https://www.readbyqxmd.com/read/29049401/risk-factors-for-intrahepatic-and-extrahepatic-cholangiocarcinoma-in-the-united-states-a-population-based-study-in-seer-medicare
#6
Jessica L Petrick, Baiyu Yang, Sean F Altekruse, Alison L Van Dyke, Jill Koshiol, Barry I Graubard, Katherine A McGlynn
OBJECTIVES: Intrahepatic (ICC) and extrahepatic (ECC) cholangiocarcinomas are rare tumors that arise from the epithelial cells of the bile ducts, and the etiology of both cancer types is poorly understood. Thus, we utilized the Surveillance, Epidemiology, and End Results (SEER)-Medicare resource to examine risk factors and novel preexisting medical conditions that may be associated with these cancer types. METHODS: Between 2000 and 2011, 2,092 ICC and 2,981 ECC cases and 323,615 controls were identified using the SEER-Medicare database...
2017: PloS One
https://www.readbyqxmd.com/read/29049270/adipokine-profile-in-patients-with-type-2-diabetes-depends-on-degree-of-obesity
#7
Joanna Kocot, Piotr Dziemidok, Małgorzata Kiełczykowska, Anna Hordyjewska, Grzegorz Szcześniak, Irena Musik
BACKGROUND The fast pace of life, promoting fast food consumption and low physical activity, has resulted in obesity and/or diabetes as being serious social problems. The aim of the present study was to evaluate concentrations of selected adipokines (leptin, adiponectin, resistin, and visfatin) and to assess the leptin/adiponectin ratio in plasma of type 2 diabetes (T2D) patients in relation to degree of obesity. MATERIAL AND METHODS The study comprised 92 T2D subjects divided into 4 groups according to BMI value - I (normal body weight), II (overweight), III (obesity), and IV (severe obesity) - and 20 healthy volunteers (control group)...
October 19, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/29046482/blunted-rise-in-brain-glucose-levels-during-hyperglycemia-in-adults-with-obesity-and-t2dm
#8
Janice J Hwang, Lihong Jiang, Muhammad Hamza, Elizabeth Sanchez Rangel, Feng Dai, Renata Belfort-DeAguiar, Lisa Parikh, Brian B Koo, Douglas L Rothman, Graeme Mason, Robert S Sherwin
In rodent models, obesity and hyperglycemia alter cerebral glucose metabolism and glucose transport into the brain, resulting in disordered cerebral function as well as inappropriate responses to homeostatic and hedonic inputs. Whether similar findings are seen in the human brain remains unclear. In this study, 25 participants (9 healthy participants; 10 obese nondiabetic participants; and 6 poorly controlled, insulin- and metformin-treated type 2 diabetes mellitus (T2DM) participants) underwent 1H magnetic resonance spectroscopy scanning in the occipital lobe to measure the change in intracerebral glucose levels during a 2-hour hyperglycemic clamp (glucose ~220 mg/dl)...
October 19, 2017: JCI Insight
https://www.readbyqxmd.com/read/29045936/anti-diabetic-potential-of-the-leaves-of-anisomeles-malabarica-in-streptozotocin-induced-diabetic-rats
#9
Peddanna Kotha, Kameswara Rao Badri, Ramya Nagalapuram, Rajasekhar Allagadda, Appa Rao Chippada
BACKGROUND/AIMS: Diabetes mellitus is a pandemic metabolic disorder that is affecting a majority of populations in recent years. There is a requirement for new drugs that are safer and cheaper due to the side effects associated with the available medications. METHODS: We investigated the anti-diabetic activity of leaves of Anisomeles malabarica following bioactivity guided fractionation. The different solvent (hexane, ethyl acetate, methanol and water) extracts of A...
October 18, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29044904/diabetes-mellitus-and-als-time-to-bridge-the-gap-between-the-bench-and-the-bed-side
#10
Ali Jawaid, Anooshay Abid, Paul E Schulz
The article of D'Ovidio et al.(1) in the current issue of European Journal of Neurology is an important addition to the growing body of evidence supporting a disease-modifying effect of metabolic disorders in neurodegenerative diseases (NDDs). Eight years ago, we first showed a protective effect of type 2 diabetes mellitus (T2DM) in ALS. Using a very large clinical cohort (n=2,371), we found that pre-morbid T2DM was associated with a reduced risk for ALS and a 4 year delay in onset.(2) Since then, a number of studies have independently confirmed a protective effect of T2DM in ALS...
October 17, 2017: European Journal of Neurology: the Official Journal of the European Federation of Neurological Societies
https://www.readbyqxmd.com/read/29044853/regulation-of-voltage-gated-potassium-channels-in-vascular-smooth-muscle-during-hypertension-and-metabolic-disorders
#11
Madeline Nieves-Cintrón, Arsalan U Syed, Matthew A Nystoriak, Manuel F Navedo
Voltage-gated potassium (KV ) channels are key regulators of vascular smooth muscle contractility and vascular tone, and thus have major influence on the microcirculation. KV channels are important determinants of vascular smooth muscle membrane potential (Em ). A number of KV subunits are expressed in the plasma membrane of smooth muscle cells. Each subunit confers distinct kinetics and regulatory properties that allow for fine control of Em to orchestrate vascular tone. Modifications in KV subunit expression and/or channel activity can contribute to changes in vascular smooth muscle contractility in response to different stimuli and in diverse pathological conditions...
October 16, 2017: Microcirculation: the Official Journal of the Microcirculatory Society, Inc
https://www.readbyqxmd.com/read/29044635/development-and-application-of-a-real-time-polymerase-chain-reaction-assay-for-detection-of-a-novel-gut-bacteriophage-crassphage
#12
Yuying Liang, Xin Jin, Yuan Huang, Shuiping Chen
BACKGROUND: crAssphage is a novel and by far the most abundant bacteriophage in human gut. This bacteriophage might modulate gut microbiota balance so as to be involved in some diseases like obesity, diabetes, metabolic disorders, hypertension, and cancer. Therefore, a rapid and reliable detection and quantification method for crAssphage is essential for studying its molecular epidemiology and pathogenicity in human diseases. MATERIALS AND METHODS: The primers-probes set for the quantitative real-time PCR assay was designed based on the DNA polymerase gene (ORF00018) of crAssphage...
October 16, 2017: Journal of Medical Virology
https://www.readbyqxmd.com/read/29044551/disordered-eating-and-obesity-associations-between-binge-eating-disorder-night-eating-syndrome-and-weight-related-comorbidities
#13
REVIEW
Courtney McCuen-Wurst, Madelyn Ruggieri, Kelly C Allison
Binge-eating disorder (BED) and night-eating syndrome (NES) are two forms of disordered eating associated with overweight and obesity. While these disorders also occur in nonobese persons, they seem to be associated with weight gain over time and higher risk of diabetes and other metabolic dysfunction. BED and NES are also associated with higher risk of psychopathology, including mood, anxiety, and sleep problems, than those of similar weight status without disordered eating. Treatments are available, including cognitive behavior therapy (CBT), interpersonal psychotherapy, lisdexamfetamine, and selective serotonin reuptake inhibitors (SSRIs) for BED; and CBT, SSRIs, progressive muscle relaxation, and bright light therapy for NES...
October 16, 2017: Annals of the New York Academy of Sciences
https://www.readbyqxmd.com/read/29042442/1%C3%AE-25-dihydroxyvitamin-d3-promotes-bone-formation-by-promoting-nuclear-exclusion-of-the-foxo1-transcription-factor-in-diabetic-mice
#14
Yi Xiong, Yixin Zhang, Na Xin, Ying Yuan, Qin Zhang, Ping Gong, Yingying Wu
1α,25-Dihydroxyvitamin D3 (1,25(OH)2D3) is the active form of vitamin D, which is responsible for reducing the risk for diabetes mellitus (DM), decreasing insulin resistance, and improving insulin secretion. Previous studies have shown that 1,25(OH)2D3 inhibited the activity of FoxO1, which has been implicated in the regulation of glucose metabolism. However, its function and mechanism of action in DM-induced energy disorders and also in bone development remains unclear. Here, using in vitro and in vivo approaches including osteoblast-specific, conditional FoxO1-knockout mice, we demonstrate that 1,25(OH)2D3 ameliorates abnormal osteoblast proliferation in DM-induced oxidative stress conditions, and rescues the impaired glucose and bone metabolism through FoxO1 nuclear exclusion resulted from the activation of PI3K/Akt signaling...
October 17, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/29041003/depression-in-the-context-of-medical-disorders-new-pharmacological-pathways-revisited
#15
Undine E Lang, Marc Walter
The depressive state has been characterised as one of elevated inflammation, changed cardiovascular parameters and a deranged metabolic situation all of which holds promise for a better understanding and handling of treatment-resistance in affective disorders as well as for future developments in treatment algorithms. In this context several biomarkers are differentially regulated by antidepressant treatment and connected to metabolic, inflammatory, cardiovascular and apoptotic components of the pathophysiology, i...
October 17, 2017: Neuro-Signals
https://www.readbyqxmd.com/read/29037516/statin-use-and-knee-osteoarthritis-progression-results-from-a-post-hoc-analysis-of-the-sekoia-trial
#16
Florent Eymard, Camille Parsons, Mark H Edwards, Florence Petit-Dop, Jean-Yves Reginster, Olivier Bruyère, Xavier Chevalier, Cyrus Cooper, Pascal Richette
OBJECTIVE: Epidemiological and experimental studies have suggested that lipid disorders might be involved in the pathophysiology of knee osteoarthritis (OA). Studies assessing the effect of statins on knee OA progression have shown conflicting results. We investigated the impact of statin use on radiological progression in patients with radiological and symptomatic knee OA. METHODS: 336 patients from the placebo arm of SEKOIA trial completed the 3-year follow-up and were included in this post-hoc analysis...
October 13, 2017: Joint, Bone, Spine: Revue du Rhumatisme
https://www.readbyqxmd.com/read/29036612/cd40l-controls-obesity-associated-vascular-inflammation-oxidative-stress-and-endothelial-dysfunction-in-mice-translational-aspects-for-man
#17
Sebastian Steven, Mobin Dib, Michael Hausding, Fatemeh Kashani, Matthias Oelze, Swenja Kröller-Schön, Alina Hanf, Steffen Daub, Siyer Roohani, Yves Gramlich, Esther Lutgens, Eberhard Schulz, Christian Becker, Karl J Lackner, Hartmut Kleinert, Christoph Knosalla, Beate Niesler, Philipp S Wild, Thomas Münzel, Andreas Daiber
Aims: CD40 ligand (CD40L) signaling controls vascular oxidative stress and related dysfunction in angiotensin-II-induced arterial hypertension by regulating vascular immune cell recruitment and platelet activation. Here we investigated the role of CD40L in experimental hyperlipidemia. Methods and Results: Male wild type and CD40L-/- mice (C57BL/6 background) were subjected to high fat diet for sixteen weeks. Weight, cholesterol, HDL and LDL levels, endothelial function (isometric tension recording), oxidative stress (NADPH oxidase expression, dihydroethidium fluorescence) and inflammatory parameters (inducible nitric oxide synthase, interleukin-6 expression) were assessed...
September 26, 2017: Cardiovascular Research
https://www.readbyqxmd.com/read/29035174/in-male-rats-the-ability-of-central-insulin-to-suppress-glucose-production-is-impaired-by-olanzapine-whereas-glucose-uptake-is-left-intact
#18
Chantel Kowalchuk, Celine Teo, Virginia Wilson, Araba Chintoh, Loretta Lam, Sri Mahavir Agarwal, Adria Giacca, Gary J Remington, Margaret K Hahn
BACKGROUND: Insulin receptors are widely expressed in the brain and may represent a crossroad between metabolic and cognitive disorders. Although antipsychotics, such as olanzapine, are the cornerstone treatment for schizophrenia, they are associated with high rates of type 2 diabetes and lack efficacy for illness-related cognitive deficits. Historically, this risk of diabetes was attributed to the weight gain propensity of antipsychotics, but recent work suggests antipsychotics can have weight-independent diabetogenic effects involving unknown brain-mediated mechanisms...
October 16, 2017: Journal of Psychiatry & Neuroscience: JPN
https://www.readbyqxmd.com/read/29032144/peroxisome-proliferator-activated-receptor-%C3%AE-ppar%C3%AE-a-master-gatekeeper-in-cns-injury-and-repair
#19
REVIEW
Wei Cai, Tuo Yang, Huan Liu, Lijuan Han, Kai Zhang, Xiaoming Hu, Xuejing Zhang, Ke-Jie Yin, Yanqin Gao, Michael V L Bennett, Rehana K Leak, Jun Chen
Peroxisome proliferator-activated receptor γ (PPARγ) is a widely expressed ligand-modulated transcription factor that governs the expression of genes involved in inflammation, redox equilibrium, trophic factor production, insulin sensitivity, and the metabolism of lipids and glucose. Synthetic PPARγ agonists (e.g. thiazolidinediones) are used to treat Type II diabetes and have the potential to limit the risk of developing brain injury by mitigating the influence of comorbidities. If brain injury develops, PPARγ serves as a master gatekeeper of cytoprotective stress responses, improving the chances of survival and recovery of homeostatic equilibrium...
October 11, 2017: Progress in Neurobiology
https://www.readbyqxmd.com/read/29024702/polycystic-ovarian-syndrome-pcos-long-term-metabolic-consequences
#20
Panagiotis Anagnostis, Basil C Tarlatzis, Robert P Kauffman
Polycystic ovary syndrome (PCOS) is the most common endocrine disorder in women during their reproductive ages, associated with a plethora of cardiometabolic consequences, with obesity, insulin resistance and hyperandrogenemia playing a major role in the degree of such manifestations. These consequences include increased risk of glucose intolerance and diabetes mellitus (both type 2 and gestational), atherogenic dyslipidemia, systemic inflammation, non-alcoholic fatty liver disease, hypertension and coagulation disorders...
October 9, 2017: Metabolism: Clinical and Experimental
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