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https://www.readbyqxmd.com/read/28088621/4-hydroxynonenal-causes-impairment-of-human-subcutaneous-adipogenesis-and-induction-of-adipocyte-insulin-resistance
#1
Mohamed Elrayess, Shamma Al-Muraikhy, Wael Kafienah, Afnan Al-Menhali, Fatima Al-Khalaifi, Moataz Bashah, Kamelija Zarkovic, Neven Zarkovic, Georg Waeg, Mohammed Alsayrafi, Morana Jaganjac
OBJECTIVE: Increased adipose production of 4-hydroxynonenal (4-HNE), a bioreactive aldehyde, directly correlates with obesity and insulin resistance. The aim of this study was to elucidate the impact of 4-HNE in mediating adipocyte differentiation and function in two metabolically distinct obese groups; the insulin sensitive (IS) and the insulin resistant (IR). METHODS: Subcutaneous (SC) adipose tissues were obtained from eighteen clinically well characterized obese premenopausal women undergoing weight reduction surgery...
January 11, 2017: Free Radical Biology & Medicine
https://www.readbyqxmd.com/read/28088384/the-signalling-mechanisms-of-a-novel-mitochondrial-complex-i-inhibitor-prevent-lipid-accumulation-and-attenuate-tnf-%C3%AE-induced-insulin-resistance-in-vitro
#2
Siobhán Leonard, Laura M Tobin, John B C Findlay
RTC-1 has recently been identified as a member of a new class of anti-diabetic compounds acting through the inhibition of complex I of the mitochondrial respiratory chain (NADH:ubiquinone oxidoreductase) to improve glucose handling and inhibit weight gain in mice fed a high-fat diet (HFD). The exact mechanism by which the reduced activity of NADH:ubiquinone oxidoreductase, in response to RTC-1, promotes these improved metabolic parameters remains to be established. Through extensive in vitro analysis, new molecular insights into these downstream signalling pathways have been obtained...
January 11, 2017: European Journal of Pharmacology
https://www.readbyqxmd.com/read/28088287/insulin-like-growth-factor-binding-protein-3-deficiency-leads-to-behavior-impairment-with-monoaminergic-and-synaptic-dysfunction
#3
Hongmei Dai, Yu-Ichi Goto, Masayuki Itoh
Insulin-like growth factor binding protein (IGFBP)-3 regulates IGF bioactivity, induces apoptosis, and inhibits cell growth independent of IGFs, but the functional role of IGFBP3 in the brain is not clear. In the present study, we revealed the effect of IGFBP3 on the brain by characterizing the phenotype of Igfbp3-null mice. Compared with wild-type mice, Igfbp3-null mice had significantly decreased IGF-1 content in the brain but no change in weights of brain and body. In Igfbp3-null mice, the number of dendritic spines was significantly reduced, and the dendritic diameter was thickening...
January 10, 2017: American Journal of Pathology
https://www.readbyqxmd.com/read/28088113/modulatory-effect-of-vanillic-acid-on-antioxidant-status-in-high-fat-diet-induced-changes-in-diabetic-hypertensive-rats
#4
Kolanji Vinothiya, Natarajan Ashokkumar
The worldwide incidence of diabetes has increased dramatically along with widespread lifestyle and dietary changes. Diets high in fat are strongly associated with the development of obesity and can induce insulin resistance in humans and animals. It is clear that obesity constitutes a risk factor for contributing to the development of type 2 diabetes. In the present study, we investigated the therapeutic potential action of vanillic acid on diabetes associated complications using a rat model. Rats were made diabetic hypertensive by high fat diet (HFD) for 20 weeks and were treated with vanillic acid (50mg/kg bw) for last 8 weeks...
January 11, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28087555/associations-of-reallocating-sitting-time-into-standing-or-stepping-with-glucose-insulin-and-insulin-sensitivity-a-cross-sectional-analysis-of-adults-at-risk-of-type-2-diabetes
#5
Charlotte L Edwardson, Joe Henson, Danielle H Bodicoat, Kishan Bakrania, Kamlesh Khunti, Melanie J Davies, Thomas Yates
OBJECTIVE: To quantify associations between sitting time and glucose, insulin and insulin sensitivity by considering reallocation of time into standing or stepping. DESIGN: Cross-sectional. SETTING: Leicestershire, UK, 2013. PARTICIPANTS: Adults aged 30-75 years at high risk of impaired glucose regulation (IGR) or type 2 diabetes. 435 adults (age 66.8±7.4 years; 61.7% male; 89.2% white European) were included. METHODS: Participants wore an activPAL3 monitor 24 hours/day for 7 days to capture time spent sitting, standing and stepping...
January 13, 2017: BMJ Open
https://www.readbyqxmd.com/read/28087246/adipocytokines-and-anthropometric-measures-in-type-2-diabetics
#6
Shubhangi M Harke, Suresh P Khadke, Abhijit A Ghadge, Ashwini S Manglekar, Shashank S Shah, Arundhati G Diwan, Aniket A Kuvalekar
AIM: Type 2 diabetes mellitus has assumed pandemic proportions worldwide. Aggressive management of hyperglycemia in diabetics is a primary goal of treatment. We have previously reported favorable effects of oral hypoglycemic agents on adipocytokines. Aim of the present study was to investigate the relationship of adipocytokines with anthropometric measures and biochemical parameters in type 2 diabetics. METHODS: Clinically diagnosed type 2 diabetics and age, gender matched healthy volunteers were recruited for study...
December 30, 2016: Diabetes & Metabolic Syndrome
https://www.readbyqxmd.com/read/28087233/anti-diabetic-effects-of-inonotus-obliquus-polysaccharides-chromium-iii-complex-in-type-2-diabetic-mice-and-its-sub-acute-toxicity-evaluation-in-normal-mice
#7
Cong Wang, Zhongqin Chen, Yuxiang Pan, Xudong Gao, Haixia Chen
Polysaccharides are important bioactive ingredients from Inonotus obliquus. This study aimed to synthesize and characterize a novel I. obliquus polysaccharides-chromium (III) complex (UIOPC) and investigate the anti-diabetic effects in streptozotocin (STZ) induced type 2 diabetes mellitus (T2DM) mice and sub-acute toxicity in normal mice. The molecular weight of UIOPC was about 11.5 × 10 (4) Da with the chromium content was 13.01% and the chromium was linked with polysaccharides through coordination bond...
January 10, 2017: Food and Chemical Toxicology
https://www.readbyqxmd.com/read/28086765/health-related-quality-of-life-hrqol-and-its-associated-factors-in-children-with-type-1-diabetes-mellitus-t1dm
#8
Marta Murillo, Joan Bel, Jacobo Pérez, Raquel Corripio, Gemma Carreras, Xavier Herrero, Josep-Maria Mengibar, Dolors Rodriguez-Arjona, Ulrike Ravens-Sieberer, Hein Raat, Luis Rajmil
BACKGROUND: The objective of the study was to describe the baseline health-related quality of life (HRQOL) in a cohort of children and adolescents with type 1 diabetes mellitus (T1DM), and analyze its associated clinical and sociodemographic factors, assessing HRQOL through internet. METHODS: This was a descriptive study of 136 patients with T1DM from 5 hospitals in Catalonia, Spain (72 girls, mean age 13.4 years (range 8-19). Inclusion criteria were more than 6 months from diagnosis, more than 8 years old and without cognitive problems...
January 13, 2017: BMC Pediatrics
https://www.readbyqxmd.com/read/28080219/adipose-tissue-insulin-resistance-in-gestational-diabetes
#9
Batbayar Tumurbaatar, Aaron T Poole, Gayle Olson, Michel Makhlouf, Hanaa S Sallam, Shwetha Thukuntla, Sucharitha Kankanala, Obos Ekhaese, Guillermo Gomez, Manisha Chandalia, Nicola Abate
BACKGROUND: Gestational diabetes mellitus (GDM) is a metabolic disorder characterized by insulin resistance (IR) and altered glucose-lipid metabolism. We propose that ectonucleotide pyrophosphate phosphodiesterase-1 (ENPP1), a protein known to induce adipocyte IR, is a determinant of GDM. Our objective was to study ENPP1 expression in adipose tissue (AT) of obese pregnant women with or without GDM, as well as glucose tolerance in pregnant transgenic (Tg) mice with AT-specific overexpression of human ENPP1...
January 12, 2017: Metabolic Syndrome and related Disorders
https://www.readbyqxmd.com/read/28080100/metabolic-control-and-academic-achievement-over-time-among-adolescents-with-type-1-diabetes
#10
Joel B Winnick, Cynthia A Berg, Deborah J Wiebe, Barbara A Schaefer, Pui-Wa Lei, Jonathan E Butner
The relation between metabolic control (HbA1c) and achievement (grade point average [GPA]) was examined over a period of 2.5 years (every 6 months) employing a dynamical systems approach that allowed for the examination of whether HbA1c was associated with change in subsequent GPA and vice versa. Metabolic control tends to deteriorate (i.e., with higher HbA1c reflecting poorer metabolic control) during adolescence. It was hypothesized that these higher levels of HbA1c would limit subsequent increases in GPA...
January 12, 2017: School Psychology Quarterly
https://www.readbyqxmd.com/read/28079384/hypoxia-and-h2o2-dual-sensitive-vesicles-for-enhanced-glucose-responsive-insulin-delivery
#11
Jicheng Yu, Chenggen Qian, Yuqi Zhang, Zheng Cui, Yong Zhu, Qundong Shen, Frances S Ligler, John B Buse, Zhen Gu
A glucose-responsive closed-loop insulin delivery system mimicking pancreas activity without long-term side effect has the potential to improve diabetic patients' health and quality of life. Here, we developed a novel glucose-responsive insulin delivery device using a painless microneedle-array patch containing insulin-loaded vesicles. Formed by self-assembly of hypoxia and H2O2 dual-sensitive diblock copolymer, the glucose-responsive polymersome-based vesicles (d-GRPs) can disassociate and subsequently release insulin triggered by H2O2 and hypoxia generated during glucose oxidation catalyzed by glucose specific enzyme...
January 12, 2017: Nano Letters
https://www.readbyqxmd.com/read/28078385/glucose-and-fatty-acids-synergistically-and-reversibly-promote-beta-cell-proliferation-in-rats
#12
Valentine S Moullé, Kevin Vivot, Caroline Tremblay, Bader Zarrouki, Julien Ghislain, Vincent Poitout
AIMS/HYPOTHESIS: The mechanisms underlying pancreatic islet mass expansion have attracted considerable interest as potential therapeutic targets to prevent or delay the onset of type 2 diabetes. While several factors promoting beta cell proliferation have been identified, in the context of nutrient excess the roles of glucose or NEFA in relation to insulin resistance remain unclear. Here we tested the hypothesis that glucose and NEFA synergistically and reversibly promote beta cell proliferation in the context of nutrient-induced insulin resistance...
January 11, 2017: Diabetologia
https://www.readbyqxmd.com/read/28078252/the-evaluation-of-the-effect-of-herbal-extract-on-osteoarthritis-in-vitro-and-in-vivo-study
#13
Jaeyong Kim, Siyoung Yang, Chul-Yung Choi
In this study, the anti-osteoarthritis effects of Cynanchum wilfordii, Phlomis umbrosa, and Angelica gigas extract (CPAE), observed and confirmed in previously clinical studies were further investigated by in vitro and in vivo studies. Anabolic biomarkers related to healthy cartilage maintenance, such as aggrecan, type II collagen α-1 (Col2a1), sex determining region Y-box-9 (Sox-9), and catabolic biomarkers related to osteoarthritis, such as cyclooxygenase-2 (Cox-2), matrix metalloproteinase-13 (Mmp13), and nuclear factor kappa-light-chain-enhancer of activated B cells (Nfκb), were evaluated by quantitative reverse transcriptase polymerase chain reaction and reporter gene assay...
December 2016: Preventive Nutrition and Food Science
https://www.readbyqxmd.com/read/28077319/role-of-insulin-like-growth-factor-axis-in-the-bleomycin-induced-lung-injury-in-rats
#14
Lakshmi Kanth Kotarkonda, Ritu Kulshrestha, Krishnan Ravi
BACKGROUND: Alveolar epithelial cell injury has been proposed as a causative factor for the onset and progression ofpulmonary fibrosis. However, the role of type II alveolar epithelial cells (AECs) in the epithelial mesenchymal transition (EMT) is controversial. AIMS: The present study performed in rats instilled with bleomycin investigated a) the expressions of the insulin growth factor (IGF-1) and insulin growth factor binding protein 5 (IGFBP-5) and transforming growth factor (TGF-β1) in the type II AECs, b) the role oftype II AECs in EMT andextracellular matrix (ECM) formation and, c) the effect of pioglitazone on all the above parameters...
January 7, 2017: Experimental and Molecular Pathology
https://www.readbyqxmd.com/read/28077299/anaplastic-lymphoma-kinase-alk-inhibitors-in-the-treatment-of-alk-driven-lung-cancers
#15
REVIEW
Robert Roskoski
Anaplastic lymphoma kinase is expressed in two-thirds of the anaplastic large-cell lymphomas as an NPM-ALK fusion protein. Physiological ALK is a receptor protein-tyrosine kinase within the insulin receptor superfamily of proteins that participates in nervous system development. The EML4-ALK fusion protein and four other ALK-fusion proteins play a fundamental role in the development in about 5% of non-small cell lung cancers. The amino-terminal portions of the ALK fusion proteins result in dimerization and subsequent activation of the ALK protein kinase domain that plays a key role in the pathogenesis of various tumors...
January 8, 2017: Pharmacological Research: the Official Journal of the Italian Pharmacological Society
https://www.readbyqxmd.com/read/28077204/review-of-the-next-generation-of-long-acting-basal-insulins-insulin-degludec-and-insulin-glargine
#16
Matthew Stailey, Susan E Conway
Older adults are at an increased risk of developing type 2 diabetes mellitus (T2DM). Although oral agents (i.e., metformin) are the preferred first-line therapy, older adults often eventually require the addition of insulin to control their blood glucose. Long-acting insulin analogues are the preferred insulin products for older adults with T2DM. Insulin degludec and insulin glargine U-300 are both new generation long-acting insulins. When compared with the standard of care, long-acting insulin product insulin glargine U-100, insulin degludec, and insulin glargine U-300 had similar glucose-lowering effects, longer half-lives and durations of action, and a more even distribution over a 24-hour period...
January 1, 2017: Consultant Pharmacist: the Journal of the American Society of Consultant Pharmacists
https://www.readbyqxmd.com/read/28077171/prostate-specific-il-6-transgene-autonomously-induce-prostate-neoplasm-through-amplifying-inflammation-in-the-prostate-and-peri-prostatic-adipose-tissue
#17
Gang Liu, Jinyu Zhang, Lewis Frey, Xiao Gang, Kongming Wu, Qian Liu, Michael Lilly, Jennifer Wu
BACKGROUND: The causative role of the pro-inflammatory cytokine IL-6 in prostate cancer progression has been well established at molecular level. However, whether and how IL-6 may play a role in prostate cancer risk and development is not well defined. One limitation factor to acquiring this knowledge is the lack of appropriate animal models. METHODS: We generated a novel line of prostate-specific IL-6 transgenic mouse model. We compared the prostate pathology, tumorigenic signaling components, and prostate tumor microenvironment of the IL-6 transgenic mice with wild type littermates...
January 11, 2017: Journal of Hematology & Oncology
https://www.readbyqxmd.com/read/28076808/spatiotemporal-modeling-of-triggering-and-amplifying-pathways-in-glp-1-secreting-intestinal-l-cells
#18
Alessia Tagliavini, Morten Gram Pedersen
Glucagon-like peptide 1 (GLP-1) is secreted by intestinal L-cells, and augments glucose-induced insulin secretion, thus playing an important role in glucose control. The stimulus-secretion pathway in L-cells is still incompletely understood and a topic of debate. It is known that GLP-1 secreting cells can sense glucose to promote electrical activity either by the electrogenic sodium-glucose cotransporter SGLT1, or by closure of ATP-sensitive potassium channels after glucose metabolism. Glucose also has an effect on GLP-1 secretion downstream of electrical activity...
January 10, 2017: Biophysical Journal
https://www.readbyqxmd.com/read/28076599/applicability-of-the-spoken-knowledge-in-low-literacy-patients-with-diabetes-in-brazilian-elderly
#19
Jonas Gordilho Souza, Daniel Apolinario, José Marcelo Farfel, Omar Jaluul, Regina Miksian Magaldi, Alexandre Leopold Busse, Flávia Campora, Wilson Jacob-Filho
Objective: To translate, adapt and evaluate the properties of a Brazilian Portuguese version of the Spoken Knowledge in Low Literacy Patients with Diabetes, which is a questionnaire that evaluate diabetes knowledge. Methods: A cross-sectional study with type 2 diabetes patients aged ≥60 years, seen at a public healthcare organization in the city of Sao Paulo (SP). After the development of the Portuguese version, we evaluated the psychometrics properties and the association with sociodemographic and clinical variables...
October 2016: Einstein
https://www.readbyqxmd.com/read/28076311/biomarkers-of-acute-kidney-injury-the-pathway-from-discovery-to-clinical-adoption
#20
Kianoush Kashani, Wisit Cheungpasitporn, Claudio Ronco
Acute kidney injury (AKI) is a common complication of critical illnesses and has a significant impact on outcomes, including mortality and morbidities. Unfortunately, apart from prophylactic measures, no effective treatment for this syndrome is known. Therefore, early recognition of AKI not only can provide better opportunities for preventive interventions, but also opens many gates for research and development of effective therapeutic options. Over the last few years, several new AKI biomarkers have been discovered and validated to improve early detection, differential diagnosis, and differentiation of patients into risk groups for progressive renal failure, need for renal replacement therapy (RRT), or death...
January 11, 2017: Clinical Chemistry and Laboratory Medicine: CCLM
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