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https://www.readbyqxmd.com/read/29331868/zinc-supplementation-alleviates-the-progression-of-diabetic-nephropathy-by-inhibiting-the-overexpression-of-oxidative-stress-mediated-molecular-markers-in-streptozotocin-induced-experimental-rats
#1
Susmita Barman, Seetur R Pradeep, Krishnapura Srinivasan
Zinc deficiency during diabetes projects a role for zinc nutrition in the management of diabetic nephropathy. The current study explored whether zinc supplementation protects against diabetic nephropathy through modulation of kidney oxidative stress and stress-induced expression related to the inflammatory process in streptozotocin-induced diabetic rats. Groups of hyperglycemic rats were exposed to dietary interventions for 6 weeks with zinc supplementation (5 times and 10 times the normal level). Supplemental-zinc-fed diabetic groups showed a significant reversal of increased kidney weight and creatinine clearance...
December 11, 2017: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/29327148/autoantibodies-against-zinc-transporter-8-are-related-to-age-and-metabolic-state-in-patients-with-newly-diagnosed-autoimmune-diabetes
#2
Elżbieta Niechciał, Anita Rogowicz-Frontczak, Stanisław Piłaciński, Marta Fichna, Bogda Skowrońska, Piotr Fichna, Dorota Zozulińska-Ziółkiewicz
AIMS: To assess the prevalence of ZnT8-ab and its correlation to other autoimmune markers and diabetic ketoacidosis occurrence in children and adults with T1DM onset. METHODS: The study included 367 patients (218 children; 149 adults) at the T1DM onset. Selected diabetes-related autoantibodies such as GAD-ab, IA2-ab, ZnT8-ab were tested before the initiation of insulin therapy. Diabetic ketoacidosis was defined as glucose concentration > 13.9 mmol/l, pH < 7...
January 11, 2018: Acta Diabetologica
https://www.readbyqxmd.com/read/29319001/vertically-grown-zinc-oxide-nanorods-functionalized-with-ferric-oxide-for-in-vivo-and-non-enzymatic-glucose-detection
#3
Mohammed Marie, Anishkumar Manoharan, Andrian V Kuchuk, Simon Ang, M Omar Manasreh
An enzyme-free glucose sensor out of vertically grown Zinc oxide nanorods (ZnO NRs) functionalized with ferric oxide Fe2O3 is investigated. The well-aligned and high-dense ZnO NRs were synthesized on an FTO/glass substrate by sol-gel and hydrothermal growth methods. Dip-coating technique was utilized to modify the surface of the as-grown ZnO NRs with Fe2O3, and the immobilized surface was coated with a layer of a nafion membrane. The fabricated glucose sensor was characterized amperometrically using three electrodes station at room temperature in the phosphate buffer solution, where ZnO NRs/Fe2O3/nafion membrane was the sensing or working electrode, platinum plate and silver/silver chloride were the counter and the reference electrodes respectively...
January 10, 2018: Nanotechnology
https://www.readbyqxmd.com/read/29316405/magnesium-zinc-calcium-vitamin-d-co-supplementation-improves-glycemic-control-and-markers-of-cardio-metabolic-risk-in-gestational-diabetes-a-randomized-double-blind-placebo-controlled-trial
#4
Maryam Karamali, Shahla Bahramimoghadam, Fateme Sharifzadeh, Zatollah Asemi
To the best our knowledge, data on the effects of magnesium-zinc-calcium-vitamin D co-supplementation on glycemic control and markers of cardio-metabolic risk in gestational diabetes mellitus (GDM) are scarce. The purpose of this study was to establish the effects of magnesium-zinc-calcium-vitamin D co-supplementation on glycemic control and markers of cardio-metabolic risk of GDM patients. Sixty patients with GDM, aged 18-40 years old were randomised into two groups to intake either magnesium-zinc-calcium-vitamin D co-supplements or placebo (n=30 each group) for 6 weeks in a randomized, double-blind, placebo-controlled trial...
January 9, 2018: Applied Physiology, Nutrition, and Metabolism, Physiologie Appliquée, Nutrition et Métabolisme
https://www.readbyqxmd.com/read/29295546/zinc-in-wound-healing-modulation
#5
REVIEW
Pei-Hui Lin, Matthew Sermersheim, Haichang Li, Peter H U Lee, Steven M Steinberg, Jianjie Ma
Wound care is a major healthcare expenditure. Treatment of burns, surgical and trauma wounds, diabetic lower limb ulcers and skin wounds is a major medical challenge with current therapies largely focused on supportive care measures. Successful wound repair requires a series of tightly coordinated steps including coagulation, inflammation, angiogenesis, new tissue formation and extracellular matrix remodelling. Zinc is an essential trace element (micronutrient) which plays important roles in human physiology...
December 24, 2017: Nutrients
https://www.readbyqxmd.com/read/29285723/the-divalent-elements-changes-in-early-stages-of-chronic-kidney-disease
#6
Wan-Ju Kung, Ching-Tang Shih, Chien-Hung Lee, Ching-Chiang Lin
As the glomerular filtration rate (GFR) decreases, it can cause imbalance in some divalent elements. These imbalances can cause increased oxidative stress in patients with renal impairment. The aim of present study was to investigate the changes of these divalent elements with CKD progression. One hundred and ninety-four patients with chronic kidney diseases (CKD) were divided into five stages, stage 1, 2, 3a, 3b, 4, and were recruited into this study. The divalent elements, calcium, magnesium, phosphorus, as well as iron, zinc, and copper were determined in clinical chemistry analyzer...
December 28, 2017: Biological Trace Element Research
https://www.readbyqxmd.com/read/29274684/identification-of-novel-nt-mgam-inhibitors-for-potential-treatment-of-type-2-diabetes-virtual-screening-atom-based-3d-qsar-model-docking-analysis-and-adme-study
#7
Aicha Laoud, Fouad Ferkous, Laura Maccari, Giorgio Maccari, Youcef Saihi, Khaireddine Kraim
In this study, a virtual screening procedure was applied to identify new potential nt-MGAM inhibitors as a possible medication for type 2 diabetes. To this aim, a series of salacinol analogues were first investigated by docking analysis for their binding to the X-ray structure of the biological target nt-MGAM. Key interactions for ligand binding into the receptor active site were identified which shared common features to those found for other known inhibitors, which strengthen the results of this study. 3D QSAR model was then built and showed to be statistically significant and with a good predictive power for the training (R2 = 0...
December 12, 2017: Computational Biology and Chemistry
https://www.readbyqxmd.com/read/29237072/appropriate-choice-of-stress-modality-in-patients-undergoing-myocardial-perfusion-scintigraphy-with-a-cardiac-camera-equipped-with-solid-state-detectors-the-role-of-diabetes-mellitus
#8
Alessia Gimelli, Riccardo Liga, Alberto Clemente, Emilio Maria Pasanisi, Brunella Favilli, Paolo Marzullo
Aims: To evaluate the impact of diabetes mellitus (DM) on the accuracy of myocardial perfusion scintigraphy (MPS) in detecting coronary artery disease (CAD). Methods and results: Two hundred and sixteen patients with DM and 432 matched controls were submitted to MPS on a dedicated cardiac camera equipped with cadmium-zinc-telluride (CZT) detectors and coronary angiography. Exercise stress was performed in 442 (68%) patients, while the remainders underwent vasodilator stress...
December 11, 2017: European Heart Journal Cardiovascular Imaging
https://www.readbyqxmd.com/read/29227974/mir302a-3p-may-modulate-renal-epithelial-mesenchymal-transition-in-diabetic-kidney-disease-by-targeting-zeb1
#9
Wen-Bin Tang, Linfeng Zheng, Renheng Yan, Jiayi Yang, Jianping Ning, Linlin Peng, Qiaoling Zhou, Liping Chen
BACKGROUND: Recent study found that microRNA (miRNA) are involved in diabetic kidney disease (DKD). The objective of this study is to determine the role of miR302a-3p in the process of renal epithelial-mesenchymal transition (EMT) in DKD. METHODS: The miRNA expression profiling of the cell line stimulated by high glucose was performed by a microarray analysis. Then real-time polymerase chain reaction (PCR) were used to determine the expression of one of the miRNAs significantly upregulated in cell line stimulated by high glucose, miR302a-3p...
December 8, 2017: Nephron
https://www.readbyqxmd.com/read/29222266/impact-of-bone-disease-and-pain-in-thalassemia
#10
REVIEW
Antonio Piga
Conventional treatment of thalassemia, namely regular blood transfusion and iron chelation, improves perspectives and quality of life; however, successful treatment leads to more time in which long-term complications such as bone disease can develop. Thalassemia bone disease (TBD) is unique: all aspects, from bone anatomy and bone quality to mineral density, may be affected, with important morbidity including osteoporosis, fractures, spinal deformities, nerve compression, and pain. Clinical presentations include growth impairment, rickets-like features, back pain, spinal deformities, any sign of nerve compression, severe osteoporosis, and fragility fractures...
December 8, 2017: Hematology—the Education Program of the American Society of Hematology
https://www.readbyqxmd.com/read/29217217/antioxidant-role-of-vitamin-d-in-mice-with-alloxan-induced-diabetes
#11
Sarah Iqbal, Saman Khan, Imrana Naseem
OBJECTIVES: The discovery of vitamin D receptors has revolutionized the understanding of vitamin D biology, which is now thought to influence a wide array of cell pathways. The antihyperglycemic actions of vitamin D involving calcium metabolism have been widely discussed, but studies are now suggesting a possibility of vitamin D-induced amelioration of oxidative stress. Despite its significance in disease pathogenesis, oxidative status remains poorly investigated with respect to vitamin D treatment in the biology of diabetes mellitus...
December 4, 2017: Canadian Journal of Diabetes
https://www.readbyqxmd.com/read/29215553/anti-diabetic-effect-of-organo-chalcogen-sulfur-and-selenium-zinc-complexes-with-hydroxy-pyrone-derivatives-on-leptin-deficient-type-2-diabetes-model-ob-ob-mice
#12
Takayuki Nishiguchi, Yutaka Yoshikawa, Hiroyuki Yasui
Since the discovery of the anti-diabetic effects of zinc (Zn) complex, we synthesized several Zn complexes and evaluated their effects using the KKAy type 2 diabetes mouse model. Recently, we demonstrated that organo-chalcogen (sulfur and selenium) Zn complexes elicit strong anti-diabetic effects. In this study, we treated leptin-deficient ob/ob mice with organo-chalcogen Zn complexes, and evaluated the resulting anti-diabetic effects in a mouse model of diabetes arising from pathogenic mechanisms different from those in KKAy mice...
December 7, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29210632/role-of-matrix-metalloproteinases-in-degenerative-kidney-disorders
#13
Shifa Narula, Chanderdeep Tandon, Simran Tandon
Matrix metalloproteinases (MMPs) are members of calcium dependent-zinc containing endopeptidases that play a pivotal role in extracellular matrix (ECM) remodeling. MMPs are also known to cleave non-matrix proteins, including cell surface receptors, TNF-α, angiotensin-II, growth factors, (especially transforming growth factor-β1, ΤGF-β1) plasminogen, endothelin and other bioactive molecules. The tissue inhibitors of metalloproteinases (TIMPs) inhibit the activity of MMPs and decrease ECM degradation. Various patho-physiological conditions have been linked with the imbalance of ECM synthesis and degradation...
December 5, 2017: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/29184000/a-subclass-of-serum-anti-znt8-antibodies-directed-to-the-surface-of-live-pancreatic-beta-cells
#14
Chengfeng Merriman, Qiong Huang, Wei Gu, Liping Yu, Dax Fu
The islet-specific zinc transporter ZnT8 is a major self-antigen found in insulin granules of pancreatic beta-cells. Frequent insulin secretion exposes ZnT8 to the cell surface, but the humoral antigenicity of the surface-displayed ZnT8 remains unknown. Here we show that a membrane-embedded human ZnT8 antigen trigged a vigorous immune response in ZnT8-knockout mice. About 50% of serum immunoreactivities toward ZnT8 were mapped to its transmembrane domain that is accessible to extracellular ZnT8 antibody (ZnT8A)...
November 28, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/29172917/prospective-evaluation-of-a-protocol-for-transitioning-porcine-lente-insulin-treated-diabetic-cats-to-human-recombinant-protamine-zinc-insulin
#15
Ruth Gostelow, Katarina Hazuchova, Christopher Scudder, Yaiza Forcada, David Church, Stijn J M Niessen
Objectives The objective was to evaluate a nadir-led protocol for transitioning porcine lente insulin suspension (PLIS)-treated diabetic cats onto human recombinant protamine zinc insulin (PZIR). Methods Recently diagnosed (<5 months) diabetic cats, treated with PLIS q12h for ⩾6 weeks, were recruited. Fructosamine, 24 h blood glucose curve (BGC), quality of life assessment (DIAQoL-pet score) and Diabetic Clinical Score (DCS) were assessed at enrolment (PLIS-treated) and 2, 4 and 12 weeks after transitioning to PZIR (starting dose 0...
March 1, 2017: Journal of Feline Medicine and Surgery
https://www.readbyqxmd.com/read/29171140/safety-and-efficacy-of-autoantigen-specific-therapy-with-2-doses-of-alum-formulated-glutamate-decarboxylase-in-children-with-multiple-islet-autoantibodies-and-risk-for-type-1-diabetes-a-randomized-clinical-trial
#16
Helena Elding Larsson, Markus Lundgren, Berglind Jonsdottir, David Cuthbertson, Jeffrey Krischer
OBJECTIVE: Treatments have failed to delay or stop the autoimmune process, preceding onset of type 1 diabetes. We investigated if autoantigen-specific treatment with alum-formulated glutamate decarboxylase (GAD-Alum) was safe and affected progression to type 1 diabetes in children with islet autoimmunity. METHODS: In an investigator-initiated, double-blind, placebo-controlled clinical trial, non-diabetic children aged 4 to 17.9 years with autoantibodies to glutamate decarboxylase (GADA) and at least one of insulinoma-associated protein 2, insulin or zinc-transporter 8, were randomized, stratified by 2 or ≥3 islet autoantibodies, to 2 injections of 20 μg GAD-Alum or placebo, 30 days apart...
November 24, 2017: Pediatric Diabetes
https://www.readbyqxmd.com/read/29161661/chlorogenic-acid-prevents-diabetic-nephropathy-by-inhibiting-oxidative-stress-and-inflammation-through-modulation-of-the-nrf2-ho-1-and-nf-%C3%A4-b-pathways
#17
Liping Bao, Jushuang Li, Dongqing Zha, Lian Zhang, Ping Gao, Tao Yao, Xiaoyan Wu
Oxidative and inflammatory damage have been suggested to play important roles in the pathogenesis of diabetic nephropathy (DN). Chlorogenic acid (CGA) is one of the most abundant polyphenols and has known immunoprotective, antioxidant and anti-inflammatory properties. In the present study, animal experiments were designed to examine the protective effects of CGA in DN, and cellular experiments were designed to explore the underlying mechanisms. CGA significantly attenuated diabetic renal damage based on histological pathology and molecular biological methods...
November 18, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/29157600/receptor-structure-based-discovery-of-non-metabolite-agonists-for-the-succinate-receptor-gpr91
#18
Mette Trauelsen, Elisabeth Rexen Ulven, Siv A Hjorth, Matjaz Brvar, Claudia Monaco, Thomas M Frimurer, Thue W Schwartz
OBJECTIVE: Besides functioning as an intracellular metabolite, succinate acts as a stress-induced extracellular signal through activation of GPR91 (SUCNR1) for which we lack suitable pharmacological tools. METHODS AND RESULTS: Here we first determined that the cis conformation of the succinate backbone is preferred and that certain backbone modifications are allowed for GPR91 activation. Through receptor modeling over the X-ray structure of the closely related P2Y1 receptor, we discovered that the binding pocket is partly occupied by a segment of an extracellular loop and that succinate therefore binds in a very different mode than generally believed...
December 2017: Molecular Metabolism
https://www.readbyqxmd.com/read/29157234/zinc-transporters-and-insulin-resistance-therapeutic-implications-for-type-2-diabetes-and-metabolic-disease
#19
REVIEW
Shaghayegh Norouzi, John Adulcikas, Sukhwinder Singh Sohal, Stephen Myers
BACKGROUND: Zinc is a metal ion that is essential for growth and development, immunity, and metabolism, and therefore vital for life. Recent studies have highlighted zinc's dynamic role as an insulin mimetic and a cellular second messenger that controls many processes associated with insulin signaling and other downstream pathways that are amendable to glycemic control. MAIN BODY: Mechanisms that contribute to the decompartmentalization of zinc and dysfunctional zinc transporter mechanisms, including zinc signaling are associated with metabolic disease, including type 2 diabetes...
November 20, 2017: Journal of Biomedical Science
https://www.readbyqxmd.com/read/29154507/relationship-between-selected-micronutrient-deficiencies-and-oxidative-stress-biomarkers-in-diabetes-mellitus-patients-with-foot-ulcers-in-ibadan-nigeria
#20
Elizabeth Bosede Bolajoko, Olubayo Michael Akınosun, John Anetor, Kensese Sontin Mossanda
Background/aim: Micronutrients are indispensable in the prevention of diseases and maintenance of good health. Their deficiencies have been implicated in several diseases associated with oxidative stress (OS). This study aimed at investigating the levels of some vitamins and minerals in association with OS markers in diabetic foot ulcer (DFU) patients in Ibadan, Oyo State, Nigeria. Materials and methods: Seventy DFU patients and 50 apparently healthy volunteers (controls) were recruited for the study. Blood samples of 10 mL were collected after a 10-h overnight fast from each participant after obtaining their consent...
August 23, 2017: Turkish Journal of Medical Sciences
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