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https://www.readbyqxmd.com/read/28804631/the-influence-of-d-chiro-inositol-and-d-myo-inositol-in-pregnant-women-with-glucose-intolerance
#1
Domenico Dell'Edera, Francesca Sarlo, Arianna Allegretti, Francesca Simone, Maria Giovanna Lupo, Annunziata Anna Epifania
The aim of the present study was to demonstrate that the use of inositol and folic acid from the first trimester of pregnancy, counteracts the onset of gestational diabetes mellitus (GDM) in women at risk, preserving the infants from macrosomia, hypoglycemia and preterm delivery. The authors collected data from the pregnant women at the laboratory (Unit of Cytogenic and Molecular Genetics), from January 2014 to April 2016, all with first trimester fasting plasma glucose (FPG) >92 mg/dl. A total of 40 women were treated with 250 mg/day D-chiro-inositol, 1...
August 2017: Biomedical Reports
https://www.readbyqxmd.com/read/28776438/allosteric-inhibition-of-carnosinase-cn1-by-inducing-a-conformational-shift
#2
Verena Peters, Claus P Schmitt, Tim Weigand, Kristina Klingbeil, Christian Thiel, Antje van den Berg, Vittorio Calabrese, Peter Nawroth, Thomas Fleming, Elisabete Forsberg, Andreas H Wagner, Markus Hecker, Giulio Vistoli
In humans, low serum carnosinase (CN1) activity protects patients with type 2 diabetes from diabetic nephropathy. We now characterized the interaction of thiol-containing compounds with CN1 cysteine residue at position 102, which is important for CN1 activity. Reduced glutathione (GSH), N-acetylcysteine and cysteine (3.2 ± 0.4, 2.0 ± 0.3, 1.6 ± 0.2 µmol/mg/h/mM; p < .05) lowered dose-dependently recombinant CN1 (rCN1) efficiency (5.2 ± 0.2 µmol/mg/h/mM) and normalized increased CN1 activity renal tissue samples of diabetic mice...
December 2017: Journal of Enzyme Inhibition and Medicinal Chemistry
https://www.readbyqxmd.com/read/28770950/prevention-of-neural-tube-defects-and-maternal-gestational-diabetes-through-the-inositol-supplementation-preliminary-results
#3
D Dell'Edera, F Sarlo, A Allegretti, A A Epifania, F Simone, M G Lupo, M Benedetto, M R D'Apice, A Capalbo
OBJECTIVE: Our study aims to demonstrate that the use in the preconceptional period until the 24th week of pregnancy of inositol and folic acid, first of all, preserves the product of conception from neural tube defects (NTDs) and then, thanks to inositol supplementation, it possibly counteracts and prevents the onset of maternal gestational diabetes (GDM). PATIENTS AND METHODS: We have collected data derived from pregnant women arrived at our laboratory, from January 2014 to January 2016, with no family history of type 2 diabetes and hypertension...
July 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28760554/pathological-and-gene-expression-analysis-of-a-polygenic-diabetes-model-noncnzo10-ltj-mice
#4
Tsuyoshi Hirata, Tomomi Yoshitomi, Minoru Inoue, Yutaka Iigo, Koji Matsumoto, Kazuishi Kubota, Akira Shinagawa
The NONcNZO10/LtJ mouse is a polygenic model of type-2 diabetes (T2D) that shows moderate obesity and diabetes, and is regarded as a good model reflective of the conditions of human T2D. In this study, we analyzed pathological changes of pancreases with the progress of time by using histopathology and gene expression analysis, including microRNA. A number of gene expression changes associated with decreased insulin secretion (possibly regulated by miR-29a/b) were observed, and zinc homeostasis (Slc30a8, Mt1 and Mt2) or glucose metabolism (Slc2a2) was suggested as being the candidate mechanism of pancreas failure in NONcNZO10/LtJ mice...
July 28, 2017: Gene
https://www.readbyqxmd.com/read/28760087/diabetes-mellitus-induces-alterations-in-metallothionein-protein-expression-and-metal-levels-in-the-testis-and-liver
#5
Yiming Gu, Xin Lian, Weixia Sun, Baoshan Gao, Yaowen Fu
Objective To investigate the effect of diabetes with and without vitamin E treatment on testicular metallothionein (MT) and metal (zinc, copper and iron) changes. Methods Diabetes was induced with a single intraperitoneal injection (i.p.) of streptozotocin in rats, and diabetic rats were given Vitamin E by i.p. every other day for 4 weeks. MT protein was measured by the cadmium-haeme assay and metal levels were detected by an atomic absorption spectrophotometer. Results Diabetes did not change testicular MT protein, but significantly increased hepatic MT protein...
January 1, 2017: Journal of International Medical Research
https://www.readbyqxmd.com/read/28756807/association-between-plasma-metal-levels-and-diabetes-risk-a-case-control-study-in-china
#6
Xiu Ting Li, Peng Fei Yu, Yan Gao, Wen Hui Guo, Jun Wang, Xin Liu, Ai Hua Gu, Gui Xiang Ji, Qiu Dong, Bo Shen Wang, Ying Cao, Bao Li Zhu, Hang Xiao
OBJECTIVE: Many metals, some of which have been classified as environmental endocrine disruptors, are used extensively in everyday consumer products and are ubiquitous in our living environment. In the present study, we aimed to explore the associations between the prevalence risk of type 2 diabetes and plasma levels of 20 trace elements as well as those of heavy metals in a Han Chinese population. METHODS: We conducted a case-control study to investigate the associations between plasma concentrations of 20 metals and diabetes in Jiangsu province...
July 2017: Biomedical and Environmental Sciences: BES
https://www.readbyqxmd.com/read/28733937/sequential-extraction-as-novel-approach-to-compare-12-medicinal-plants-from-kenya-regarding-their-potential-to-release-chromium-manganese-copper-and-zinc
#7
R Mogwasi, S Zor, D K Kariuki, M Z Getenga, V Nischwitz
This study is focusing on a novel approach to screen a large number of medicinal plants from Kenya regarding their contents and availability of selected metals potentially relevant for treatment of diabetes patients. For this purpose, total levels of zinc, chromium, manganese, and copper were determined by flame atomic absorption spectrometry and inductively coupled plasma mass spectrometry as well as BCR sequential extraction to fractionate the elemental species in anti-diabetic medicinal plants collected from five natural locations in two sub counties in Nyamira County, Kenya...
July 21, 2017: Biological Trace Element Research
https://www.readbyqxmd.com/read/28713269/the-emerging-role-for-zinc-in-depression-and-psychosis
#8
REVIEW
Matthew A Petrilli, Thorsten M Kranz, Karine Kleinhaus, Peter Joe, Mara Getz, Porsha Johnson, Moses V Chao, Dolores Malaspina
Zinc participation is essential for all physiological systems, including neural functioning, where it participates in a myriad of cellular processes. Converging clinical, molecular, and genetic discoveries illuminate key roles for zinc homeostasis in association with clinical depression and psychosis which are not yet well appreciated at the clinical interface. Intracellular deficiency may arise from low circulating zinc levels due to dietary insufficiency, or impaired absorption from aging or medical conditions, including alcoholism...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28701370/twenty-year-progression-rate-to-clinical-onset-according-to-autoantibody-profile-age-and-hla-dq-genotype-in-a-registry-based-group-of-children-and-adults-with-a-first-degree-relative-with-type-1-diabetes
#9
Frans K Gorus, Eric V Balti, Anissa Messaaoui, Simke Demeester, Annelien Van Dalem, Olivier Costa, Harry Dorchy, Chantal Mathieu, Luc Van Gaal, Bart Keymeulen, Daniël G Pipeleers, Ilse Weets
OBJECTIVE: We investigated whether islet autoantibody profile, HLA-DQ genotype, and age influenced a 20-year progression to diabetes from first autoantibody positivity (autoAb(+)) in first-degree relatives of patients with type 1 diabetes. RESEARCH DESIGN AND METHODS: Persistently islet autoAb(+) siblings and offspring (n = 462) under 40 years of age were followed by the Belgian Diabetes Registry. AutoAbs against insulin (IAA), GAD (GADA), IA-2 antigen (IA-2A), and zinc transporter 8 (ZnT8A) were determined by radiobinding assay...
July 12, 2017: Diabetes Care
https://www.readbyqxmd.com/read/28701285/association-of-divalent-cations-and-insulin-resistance-with-thyroid-hormones-in-patients-with-type-2-diabetes-mellitus
#10
Rajendran Jayanthi, Abu Raghavan Srinivasan, Niranjan Gopal, Ramesh Ramaswamy
AIM: The study was primarily aimed at investigating the association of Magnesium and Zinc levels in the serum of adult Non- obese and Obese type 2 diabetic patients, with particular reference to thyroid comorbidity. METHODS: 108 patients with T2DM of both genders (24 Non obese and 84 Obese) were enrolled from a tertiary health care unit in Puducherry. The cardio-metabolic risk factors were assessed through body mass index, Waist hip ratio, blood pressure, fasting blood glucose, lipid profile and glycated haemoglobin...
July 3, 2017: Diabetes & Metabolic Syndrome
https://www.readbyqxmd.com/read/28694505/presence-of-diabetes-autoantigens-in-extracellular-vesicles-derived-from-human-islets
#11
Craig P Hasilo, Sarita Negi, Isabelle Allaeys, Nathalie Cloutier, Alissa K Rutman, Marco Gasparrini, Éric Bonneil, Pierre Thibault, Éric Boilard, Steven Paraskevas
Beta-cell (β-cell) injury is the hallmark of autoimmune diabetes. However, the mechanisms by which autoreactive responses are generated in susceptible individuals are not well understood. Extracellular vesicles (EV) are produced by mammalian cells under normal and stressed physiological states. They are an important part of cellular communication, and may serve a role in antigen processing and presentation. We hypothesized that isolated human islets in culture produce EV that contain diabetes autoantigens (DAA) from these otherwise normal, non-diabetic donors...
July 10, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28692245/insight-into-a-new-binding-site-of-zinc-ions-in-fibrillar-amylin
#12
Vered Wineman-Fisher, Yifat Miller
Amylin peptides are secreted together with insulin and zinc ions from pancreatic β-cells. Under unknown conditions, the amylin peptides aggregate to produce oligomers and fibrils, and in some cases Zn(2+) ions can bind to amylin peptides to form Zn(2+)-aggregate complexes. Consequently, these aggregates lead to the death of the β-cells and a decrease in insulin, which is one of the symptoms of type-2 diabetes (T2D). Therefore, it is crucial to investigate the binding sites of the Zn(2+) ions in fibrillary amylin...
July 20, 2017: ACS Chemical Neuroscience
https://www.readbyqxmd.com/read/28687933/cellular-zinc-homeostasis-modulates-polarization-of-thp-1-derived-macrophages
#13
Laura Dierichs, Veronika Kloubert, Lothar Rink
PURPOSE: Polarization of macrophages by environmental stimuli leads to the characteristic of different phenotypes that exhibit distinct functions, ranging in a continuous spectrum from pro-inflammatory M1 up to immunoregulatory and wound-healing M2 macrophages. Diseases like cancer, allergic asthma or diabetes are associated with an M1/M2 imbalance. Owing to the importance of the essential trace element zinc for the immune system and its involvement in signal transduction as a second messenger, we investigated the impact of zinc on M1 and M2 polarization of macrophages in vitro...
July 7, 2017: European Journal of Nutrition
https://www.readbyqxmd.com/read/28685672/micrornas-mediated-mmp-regulation-current-diagnostic-and-therapeutic-strategies-for-metabolic-syndrome
#14
Sharad Saxena, Aditi Jain, Vibha Rani
Metabolic syndrome (MS) is a global socioeconomic problem rapidly progressing in accordance with increasing body mass index (BMI) and age. It is a consortium of risk factors, such as dyslipidaemia, insulin resistance, leptin resistance, reduced adiponectin, glucose intolerance, hyperglycemia, and hypertension. Collectively, these factors accelerate the onset of type 2 diabetes mellitus, cardiovascular disease, stroke, and certain cancers such as breast, liver pancreatic, and colon cancer. Extracellular matrix (ECM) and basement membrane remodeling play a central role during pathogenesis of MS as they regulate diverse cell functions including proliferation, differentiation, and migration...
July 7, 2017: Current Gene Therapy
https://www.readbyqxmd.com/read/28672144/zn-ii-pramlintide-stability-binding-sites-and-unexpected-aggregation
#15
D Łoboda, M Rowińska-Żyrek
Pramlintide is an antidiabetic drug which mimics amylin - a small peptide co-secreted from pancreatic β-cells together with insulin, one of the hallmarks of type 2 diabetes. In the course of the disease, amylin misfolds into small oligomers or to an aggregated β-sheet amyloid fiber. The misfolding mechanism is not yet quite understood, but it is clear that zinc ions play an important role in the process. This work sheds new light on the role of zinc and pramlintide in the course of the disease, giving a detailed description of the Zn(II)-pramlintide complex, in which the metal ion binds to the imidazole of His18 and the amine group of Lys1, imposing a bend in the peptide between these residues...
September 2017: Journal of Inorganic Biochemistry
https://www.readbyqxmd.com/read/28648615/structural-biology-and-the-design-of-new-therapeutics-from-hiv-and-cancer-to-mycobacterial-infections-a-paper-dedicated-to-john-kendrew
#16
REVIEW
Sherine E Thomas, Vitor Mendes, So Yeon Kim, Sony Malhotra, Bernardo Ochoa-Montaño, Michal Blaszczyk, Tom L Blundell
Interest in applications of protein crystallography to medicine was evident, as the first high-resolution structures emerged in the 50s and 60s. In Cambridge, Max Perutz and John Kendrew sought to understand mutations in sickle cell and other genetic diseases related to hemoglobin, while in Oxford, the group of Dorothy Hodgkin became interested in long-lasting zinc-insulin crystals for treatment of diabetes and later considered insulin redesign, as synthetic insulins became possible. The use of protein crystallography in structure-guided drug discovery emerged as enzyme structures allowed the identification of potential inhibitor-binding sites and optimization of interactions of hits using the structure of the target protein...
June 23, 2017: Journal of Molecular Biology
https://www.readbyqxmd.com/read/28648506/the-role-of-glis3-in-thyroid-disease-as-part-of-a-multisystem-disorder
#17
REVIEW
P Dimitri
Congenital hypothyroidism is the most common hereditary endocrine disorder. In a small number of cases, mutations have been identified that are associated with maldevelopment and maldescent of the thyroid. Some of these mutations present as syndromes with a multisystem phenotype such as NKX2-1, PAX8, and FOXE. The association of permanent neonatal diabetes and congenital hypothyroidism was first reported in 2003 and subsequently led to the identification GLIS3 as the mutation responsible for this presentation...
March 2017: Best Practice & Research. Clinical Endocrinology & Metabolism
https://www.readbyqxmd.com/read/28643849/prevalence-of-exposure-of-heavy-metals-and-their-impact-on-health-consequences
#18
Kanwal Rehman, Fiza Fatima, Iqra Waheed, Muhammad Sajid Hamid Akash
Even in the current era of growing technology, the concentration of heavy metals present in drinking water is still not within the recommended limits as set by the regulatory authorities in different countries of the world. Drinking water contaminated with heavy metals namely; arsenic, cadmium, nickel, chromium, mercury, chromium, zinc and lead is becoming a major health concern for public and health care professionals. Occupational exposure to heavy metals is known to occur by the utilization of these metals in various industrial processes and/or contents including color pigments and alloys...
June 23, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28635330/multiple-functions-of-insulin-degrading-enzyme-a-metabolic-crosslight
#19
Grazia R Tundo, Diego Sbardella, Chiara Ciaccio, Giuseppe Grasso, Magda Gioia, Andrea Coletta, Fabio Polticelli, Donato Di Pierro, Danilo Milardi, Peter Van Endert, Stefano Marini, Massimo Coletta
Insulin-degrading enzyme (IDE) is a ubiquitous zinc peptidase of the inverzincin family, which has been initially discovered as the enzyme responsible for insulin catabolism; therefore, its involvement in the onset of diabetes has been largely investigated. However, further studies on IDE unraveled its ability to degrade several other polypeptides, such as β-amyloid, amylin, and glucagon, envisaging the possible implication of IDE dys-regulation in the "aggregopathies" and, in particular, in neurodegenerative diseases...
June 21, 2017: Critical Reviews in Biochemistry and Molecular Biology
https://www.readbyqxmd.com/read/28632927/prospective-associations-between-environmental-heavy-metal-exposure-and-renal-outcomes-in-adults-with-chronic-kidney-disease
#20
Chun-Chieh Tsai, Chia-Lin Wu, Chew-Teng Kor, Ie-Bin Lian, Chin-Hua Chang, Teng-Hsiang Chang, Chia-Chu Chang, Ping-Fang Chiu
BACKGROUND: In Taiwan, Changhua County residents were exposed to high heavy metal pollution and exhibited high heavy metal levels in blood and urine. We examined associations between heavy metals in residential soil and renal outcomes of residents with chronic kidney disease (CKD). METHOD: From January 01, 2003 to June 30, 2015, we retrospectively identified CKD patients with an estimated glomerular filtration rate of <60 mL/min/1.73 m(2) at one tertiary care center...
June 20, 2017: Nephrology
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