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https://www.readbyqxmd.com/read/28335416/supplementation-with-phycocyanobilin-citrulline-taurine-and-supranutritional-doses-of-folic-acid-and-biotin-potential-for-preventing-or-slowing-the-progression-of-diabetic-complications
#1
Mark F McCarty
Oxidative stress, the resulting uncoupling of endothelial nitric oxide synthase (eNOS), and loss of nitric oxide (NO) bioactivity, are key mediators of the vascular and microvascular complications of diabetes. Much of this oxidative stress arises from up-regulated nicotinamide adenine dinucleotide phosphate (NADPH) oxidase activity. Phycocyanobilin (PhyCB), the light-harvesting chromophore in edible cyanobacteria such as spirulina, is a biliverdin derivative that shares the ability of free bilirubin to inhibit certain isoforms of NADPH oxidase...
March 14, 2017: Healthcare (Basel, Switzerland)
https://www.readbyqxmd.com/read/28303117/expression-patterns-and-correlations-with-metabolic-markers-of-zinc-transporters-zip14-and-znt1-in-obesity-and-polycystic-ovary-syndrome
#2
Trine Maxel, Pernille Fog Svendsen, Kamille Smidt, Jesper Krogh Lauridsen, Birgitte Brock, Steen Bønlykke Pedersen, Jørgen Rungby, Agnete Larsen
Polycystic ovary syndrome (PCOS) is associated with infertility, increased androgen levels, and insulin resistance. In adipose tissue, zinc facilitates insulin signaling. Circulating zinc levels are altered in obesity, diabetes, and PCOS; and zinc supplementation can ameliorate metabolic disturbances in PCOS. In adipose tissue, expression of zinc influx transporter ZIP14 varies with body mass index (BMI), clinical markers of metabolic syndrome, and peroxisome proliferator-activated receptor gamma (PPARG). In this study, we investigated expression levels of ZIP14 and PPARG in subcutaneous adipose tissue of 36 PCOS women (17 lean and 19 obese women) compared with 23 healthy controls (7 lean and 16 obese women)...
2017: Frontiers in Endocrinology
https://www.readbyqxmd.com/read/28303020/importance-of-zinc-transporter-8-autoantibody-in-the-diagnosis-of-type-1-diabetes-in-latin-americans
#3
Karla Fabiana Brasil Gomes, Cintia Semzezem, Rodolfo Batista, Rosa Tsuneshiro Fukui, Aritania Sousa Santos, Márcia Regina Correia, Maria Rita Passos-Bueno, Maria Elizabeth Rossi da Silva
There is a scarcity of data of zinc transporter-8 autoantibody (ZnT8A) on mixed populations such as Brazilian. Therefore, we evaluated the relevance of ZnT8A for type 1 diabetes (T1D) diagnosis and the role of ZnT8 coding gene (SLC30A8) in T1D predisposition. Patients with T1D (n = 629; diabetes duration = 11 (6-16) years) and 651 controls were genotyped for SLC30A8 rs16889462 and rs2466295 variants (BeadXpress platform). ZnT8 triple antibody was measured by ELISA; glutamic acid decarboxylase (GAD65A) and protein tyrosine phosphatase (IA-2A) autoantibodies by radioimmunoassay...
March 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28302075/renal-effects-of-metallothionein-induction-by-zinc-in-vitro-and-in-vivo
#4
Moritz Schanz, Lea Schaaf, Juergen Dippon, Dagmar Biegger, Peter Fritz, Mark Dominik Alscher, Martin Kimmel
BACKGROUND: Metallothionein (MTT) is an endogenous antioxidant that can be induced by both zinc (Zn) and ischemia. In kidneys, increased MTT expression exerts a putative protective role in diabetes and hypoxia. Our goal was to further investigate the behavior of MTT under the influence of Zn and hypoxia in vitro and in vivo. METHODS: MTT expression was measured in vitro in cell cultures of proximal tubular cells (LCC-PK1) by immune-histochemistry and real-time PCR after incubation with increasing concentrations of Zn under hypoxic and non-hypoxic conditions...
March 16, 2017: BMC Nephrology
https://www.readbyqxmd.com/read/28297687/-a-rare-case-of-cerebellar-hemangioblastoma-causing-taste-disorder
#5
Hiroko Nakashiro, Masatou Kawashima, Fumitaka Yoshioka, Yukiko Nakahara, Yukinori Takase, Atsushi Ogata, Shoko Shimokawa, Jun Masuoka, Tatsuya Abe, Toshio Matsushima
Taste(gustation)is one of the five senses, and comprises the types: sweet, bitter, salty, sour, and umami. Taste disorders, such as dysgeusia and parageusia, are classified into 2 types: those with peripheral origin and those with central origin. The peripheral origin-type taste disorder is caused by zinc deficiency, mouth dryness, a side effect of radiotherapy or complication of systemic diseases such as, diabetes, hepatopathy, and nephropathy. The central origin-type taste disorder is reported to be caused due to demyelinating disease, pontine hemorrhage, pontine infarction, and thalamic infarction; it is very rarely caused by a brain tumor...
March 2017: No Shinkei Geka. Neurological Surgery
https://www.readbyqxmd.com/read/28294049/in-silico-analysis-of-amp-activated-protein-kinase-and-ligand-based-virtual-screening-for-identification-of-novel-ampk-activators
#6
Ammarah Ghaffar, Sidra Batool, Gohar Mushtaq, Muhammad Amjad Kamal
BACKGROUND: Adenosine-Monophosphate-Activated protein kinase (AMPK) is a conserved kinase that plays an important role in maintaining the homeostasis of cells. AMPK activation has a positive impact on treatment of diseases such as diabetes, obesity and cancer as well. This observation led to the development of AMPK activators. Certain naturally occurring compounds have also been known to activate AMPK. METHOD: In this study, we retrieved the AMPK activators that includes chemical drugs, xenobiotics and natural compounds and analyzed their interactions with AMPK via docking studies...
March 9, 2017: Current Computer-aided Drug Design
https://www.readbyqxmd.com/read/28293546/zinc-and-curcumin-lower-arylsulfatses-and-some-metabolic-parameters-in-streptozotocin-induced-diabetes
#7
Mahmoud Balbaa, Marwa El-Zeftawy, Nabil Taha, Abdel-Wahab Mandour
In rats with induced diabetes, Zinc and curcumin treatment showed a significant increase of catalase and a significant decrease of glucose, lipid profile components and arylsulphatases activity compared to the untreated rats. We suggest that dietary zinc and curcumin are promising protective agents for reducing the metabolic defect of diabetes.
2017: Journal of Diabetes and Metabolic Disorders
https://www.readbyqxmd.com/read/28285974/associations-between-dietary-intakes-of-iron-copper-and-zinc-with-risk-of-type-2-diabetes-mellitus-a-large-population-based-prospective-cohort-study
#8
Ehab S Eshak, Hiroyasu Iso, Koutatsu Maruyama, Isao Muraki, Akiko Tamakoshi
BACKGROUND & AIMS: Abnormal homeostasis of iron, copper and zinc has been included in the pathogenesis of type 2 diabetes mellitus (T2DM). However, the evidence of associations between dietary intakes of these elements and T2DM is limited. We thought to examine the association between dietary intakes of iron, copper and zinc with risk of T2DM in Japanese population. METHODS: A prospective study encompassing 16,160 healthy Japanese men and women aged 40-65 years in whom the associations between dietary intakes of iron, copper and zinc, determined by a validated self-administered food frequency questionnaire, with risk of 5-year cumulative incidence of validated physician-diagnosed T2DM, were evaluated by logistic regression model...
February 28, 2017: Clinical Nutrition: Official Journal of the European Society of Parenteral and Enteral Nutrition
https://www.readbyqxmd.com/read/28272348/zinc-prevents-the-development-of-diabetic-cardiomyopathy-in-db-db-mice
#9
Shudong Wang, Bowei Wang, Yuehui Wang, Qian Tong, Quan Liu, Jian Sun, Yang Zheng, Lu Cai
Diabetic cardiomyopathy (DCM) is highly prevalent in type 2 diabetes (T2DM) patients. Zinc is an important essential trace metal, whose deficiency is associated with various chronic ailments, including vascular diseases. We assessed T2DM B6.BKS(D)-Leprdb/J (db/db) mice fed for six months on a normal diet containing three zinc levels (deficient, adequate, and supplemented), to explore the role of zinc in DCM development and progression. Cardiac function, reflected by ejection fraction, was significantly decreased, along with increased left ventricle mass and heart weight to tibial length ratio, in db/db mice...
March 7, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28268202/adverse-effects-of-parental-zinc-deficiency-on-metal-homeostasis-and-embryonic-development-in-a-zebrafish-model
#10
Laura M Beaver, Yasmeen M Nkrumah-Elie, Lisa Truong, Carrie L Barton, Andrea L Knecht, Greg D Gonnerman, Carmen P Wong, Robert L Tanguay, Emily Ho
The high prevalence of zinc deficiency is a global public health concern, and suboptimal maternal zinc consumption has been associated with adverse effects ranging from impaired glucose tolerance to low birthweights. The mechanisms that contribute to altered development and poor health in zinc deficient offspring are not completely understood. To address this gap, we utilized the Danio rerio model and investigated the impact of dietary zinc deficiency on adults and their developing progeny. Zinc deficient adult fish were significantly smaller in size, and had decreases in learning and fitness...
February 20, 2017: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/28258359/concentration-of-zinc-copper-iron-calcium-and-magnesium-in-the-serum-tissues-and-urine-of-streptozotocin-induced-mild-diabetic-rat-model
#11
Tahiry Gómez, Leticia Bequer, Angel Mollineda, José L Molina, Alain Álvarez, Mayrelis Lavastida, Sonia Clapés
The present study aimed to investigate, in the streptozotocin-induced mild diabetic rat model, the zinc (Zn), copper (Cu), iron (Fe), calcium (Ca), and magnesium (Mg) concentration in serum, liver, and kidney tissues, and urine samples from adult Wistar rats treated neonatally with streptozotocin (STZ). Diabetes was induced by subcutaneous administration of streptozotocin (100 mg/Kg) in female Wistar rats of 2 days old (STZ, n = 10). Control group (CG, n = 10) received only sodium-citrate buffer. The mineral concentrations were measured by atomic absorption spectrophotometry...
March 3, 2017: Biological Trace Element Research
https://www.readbyqxmd.com/read/28250273/anti-hyperglycemic-effect-of-long-term-bis-hinokitiolato-zinc-complex-zn-hkt-2-ingestion-on-insulin-resistance-and-pancreatic-islet-cells-protection-in-type-2-diabetic-kk-a-y-mice
#12
Yuki Naito, Yutaka Yoshikawa, Michiko Shintani, Shingo Kamoshida, Naemi Kajiwara, Hiroyuki Yasui
Zinc (Zn) is a trace element with anti-diabetes mellitus (anti-DM) effects. Zn complexes exhibit stronger insulin-like activity than Zn ions. Bis(hinokitiolato)zinc complex ([Zn(hkt)2]) was recently reported to be a potent anti-DM candidate. We examined the effects of [Zn(hkt)2] on insulin resistance and pancreatic islet cells through in vivo long-term ingestion studies. In an in vivo study, we performed 4-month long-term [Zn(hkt)2] administration experiments in KK-A(y) mice as a type 2 DM animal model. Ingestion of [Zn(hkt)2] resulted in lower blood glucose levels compared with the non-treated KK-A(y) mice (control group)...
2017: Biological & Pharmaceutical Bulletin
https://www.readbyqxmd.com/read/28245884/attenuation-of-oxidative-stress-and-cardioprotective-effects-of-zinc-supplementation-in-experimental-diabetic-rats
#13
Susmita Barman, Krishnapura Srinivasan
Oxidative stress plays a major role in the pathogenesis of diabetes mellitus, which further exacerbates damage of cardiac, hepatic and other tissues. We have recently reported that Zn supplementation beneficially modulates hyperglycaemia and hypoinsulinaemia, with attendant reduction of associated metabolic abnormalities in diabetic rats. The present study assessed the potential of Zn supplementation in modulating oxidative stress and cardioprotective effects in diabetic rats. Diabetes was induced in Wistar rats with streptozotocin, and groups of diabetic rats were treated with 5- and 10-fold dietary Zn interventions (0·19 and 0·38 g Zn/kg diet) for 6 weeks...
March 1, 2017: British Journal of Nutrition
https://www.readbyqxmd.com/read/28229631/targeting-heme-oxygenase-1-in-early-diabetic-nephropathy-in-streptozotocin-induced-diabetic-rats
#14
R Abo El Gheit, M N Emam
Diabetic nephropathy (DN) is one of the most common microvascular diabetic complications. This study was designed to evaluate the possible protective effect and underlying mechanisms of HO-1 induction in streptozotocin (STZ)-induced early DN in rats. The diabetic rats were divided into three groups: STZ-diabetic, cobalt protoporphyrin (CoPP)-treated diabetic, and zinc protoporphyrin IX (ZnPP)-treated diabetic groups. Compared to the STZ-diabetic group, CoPP-induced HO-1 upregulation improved the diabetic state and renal functional parameters, suppressed the renal proinflammatory marker, NF-κB, abrogated the elevated renal hydroxyprolin, and decreased the enhanced renal nicotinamide adenine dinucleotide phosphate oxidase activity with parallel reduction of urinary oxidative stress markers...
December 2016: Physiol Int
https://www.readbyqxmd.com/read/28226181/use-of-self-collected-capillary-blood-samples-for-islet-autoantibody-screening-in-relatives-a-feasibility-and-acceptability-study
#15
Y Liu, L E Rafkin, D Matheson, C Henderson, D Boulware, R E J Besser, C Ferrara, L Yu, A K Steck, P J Bingley
AIMS: To evaluate the feasibility of using self-collected capillary blood samples for islet autoantibody testing to identify risk in relatives of people with Type 1 diabetes. METHODS: Participants were recruited via the observational TrialNet Pathway to Prevention study, which screens and monitors relatives of people with Type 1 diabetes for islet autoantibodies. Relatives were sent kits for capillary blood collection, with written instructions, an online instructional video link and a questionnaire...
February 22, 2017: Diabetic Medicine: a Journal of the British Diabetic Association
https://www.readbyqxmd.com/read/28218639/genetic-variations-as-modifying-factors-to-dietary-zinc-requirements-a-systematic-review
#16
REVIEW
Kaitlin J Day, Melissa M Adamski, Aimee L Dordevic, Chiara Murgia
Due to reduced cost and accessibility, the use of genetic testing has appealed to health professionals for personalising nutrition advice. However, translation of the evidence linking polymorphisms, dietary requirements, and pathology risk proves to be challenging for nutrition and dietetic practitioners. Zinc status and polymorphisms of genes coding for zinc-transporters have been associated with chronic diseases. The present study aimed to systematically review the literature to assess whether recommendations for zinc intake could be made according to genotype...
February 17, 2017: Nutrients
https://www.readbyqxmd.com/read/28208654/a-protein-isolate-from-moringa-oleifera-leaves-has-hypoglycemic-and-antioxidant-effects-in-alloxan-induced-diabetic-mice
#17
Paulo C Paula, Daniele O B Sousa, Jose T A Oliveira, Ana F U Carvalho, Bella G T Alves, Mirella L Pereira, Davi F Farias, Martonio P Viana, Flavia A Santos, Talita C Morais, Ilka M Vasconcelos
Moringa oleifera has been used in traditional medicine to treat diabetes. However, few studies have been conducted to relate its antidiabetic properties to proteins. In this study, a leaf protein isolate was obtained from M. oleifera leaves, named Mo-LPI, and the hypoglycemic and antioxidant effects on alloxan-induced diabetic mice were assessed. Mo-LPI was obtained by aqueous extraction, ammonium sulphate precipitation and dialysis. The electrophoresis profile and proteolytic hydrolysis confirmed its protein nature...
February 11, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28174261/identification-of-unique-antigenic-determinants-in-the-amino-terminus-of-ia-2-ica512-in-childhood-and-adult-autoimmune-diabetes-new-biomarker-development
#18
Maria Acevedo-Calado, Eddie A James, Michael P Morran, Susan L Pietropaolo, Qin Ouyang, David Arribas-Layton, Marco Songini, Marco Liguori, Anna Casu, Richard J Auchus, Shuai Huang, Liping Yu, Aaron Michels, Roberto Gianani, Massimo Pietropaolo
OBJECTIVE: The characterization of diverse subtypes of diabetes is a dynamic field of clinical research and an active area of discussion. The objective of this study was to identify new antigenic determinants in the neuroendocrine autoantigen IA-2 (ICA512) and assess whether circulating autoantibodies directed to new IA-2 epitopes identify autoimmune diabetes in young and adult populations with diabetes. RESEARCH DESIGN AND METHODS: Clinically diagnosed patients with type 2 diabetes (n = 258; diabetes duration: 0...
February 7, 2017: Diabetes Care
https://www.readbyqxmd.com/read/28159227/alterations-of-serum-trace-elements-in-patients-with-type-2-diabetes
#19
Hongmei Zhang, Chonghuai Yan, Zhen Yang, Weiwei Zhang, Yixin Niu, Xiaoyong Li, Li Qin, Qing Su
OBJECTIVE: The aim of the present study is to investigate the association of trace elements and the risk of type 2 diabetes mellitus. DESIGN AND METHODS: The 1837 participants (637 men and 1200 women) aged 40-70 were from a cross-sectional community-based study performed in downtown Shanghai. All the participants without diabetes mellitus history underwent a 75-g OGTT. The participants with diabetes mellitus took 100g steamed bread as the substitute. The fasting and OGTT 2h or postprandial 2h venous blood samples were collected...
March 2017: Journal of Trace Elements in Medicine and Biology
https://www.readbyqxmd.com/read/28159221/trace-elements-in-early-phase-type-2-diabetes-mellitus-a-population-based-study-the-hunt-study-in-norway
#20
Ailin Falkmo Hansen, Anica Simić, Bjørn Olav Åsvold, Pål Richard Romundstad, Kristian Midthjell, Tore Syversen, Trond Peder Flaten
Differences in trace elements levels between individuals with type 2 diabetes and controls have been reported in several studies in various body fluids and tissues, but results have been inconsistent. In order to examine trace element levels in the early phase of type 2 diabetes, we investigated the association between whole blood levels of 26 trace elements and the prevalence of previously undiagnosed, screening-detected type 2 diabetes. The study was conducted as a case-control study nested within the third survey of the population-based Nord-Trøndelag Health Study (HUNT3 Survey)...
March 2017: Journal of Trace Elements in Medicine and Biology
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