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https://www.readbyqxmd.com/read/28071754/far-infrared-protects-vascular-endothelial-cells-from-advanced-glycation-end-products-induced-injury-via-plzf-mediated-autophagy-in-diabetic-mice
#1
Cheng-Hsien Chen, Tso-Hsiao Chen, Mei-Yi Wu, Tz-Chong Chou, Jia-Rung Chen, Meng-Jun Wei, San-Liang Lee, Li-Yu Hong, Cai-Mei Zheng, I-Jen Chiu, Yuh-Feng Lin, Ching-Min Hsu, Yung-Ho Hsu
The accumulation of advanced glycation end products (AGEs) in diabetic patients induces vascular endothelial injury. Promyelocytic leukemia zinc finger protein (PLZF) is a transcription factor that can be activated by low-temperature far-infrared (FIR) irradiation to exert beneficial effects on the vascular endothelium. In the present study, we investigated the influence of FIR-induced PLZF activation on AGE-induced endothelial injury both in vitro and in vivo. FIR irradiation inhibited AGE-induced apoptosis in human umbilical vein endothelial cells (HUVECs)...
January 10, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28070499/metabolic-relationship-between-diabetes-and-alzheimer-s-disease-affected-by-cyclo-his-pro-plus-zinc-treatment
#2
REVIEW
Moon K Song, David S Bischoff, Albert M Song, Koichi Uyemura, Dean T Yamaguchi
BACKGROUND: Association of Alzheimer's Disease (AD) with Type 2 Diabetes (T2D) has been well established. Cyclo(His-Pro) plus zinc (Cyclo-Z) treatment ameliorated diabetes in rats and similar improvements have been seen in human patients. Treatment of amyloid precursor protein (APP) transgenic mice with Cyclo-Z exhibited memory improvements and significantly reduced Aβ-40 and Aβ-42 protein levels in the brain tissues of the mice. SCOPE OF REVIEW: Metabolic relationship between AD and T2D will be described with particular attention to insulin sensitivity and Aβ degradation in brain and plasma tissues...
June 2017: BBA Clinical
https://www.readbyqxmd.com/read/28070325/comparative-study-on-proximate-functional-mineral-and-antinutrient-composition-of-fermented-defatted-and-protein-isolate-of-parkia-biglobosa-seed
#3
Bolajoko I Ogunyinka, Babatunji E Oyinloye, Foluso O Osunsanmi, Abidemi P Kappo, Andrew R Opoku
The use of plant-derived foods in the prevention, treatment, and management of metabolic diseases especially diabetes has gained prominence; this has been associated with their physicochemical properties. This study was conducted to compare the proximate, functional, mineral, and antinutrient composition of the fermented seeds, the defatted seeds, and the protein isolate from Parkia biglobosa seeds. The results showed that the fermented, defatted, and protein isolate varied in composition within the parameters studied...
January 2017: Food Science & Nutrition
https://www.readbyqxmd.com/read/28059470/levels-of-heavy-metals-and-their-binding-protein-metallothionein-in-type-2-diabetics-with-kidney-disease
#4
Martina Raudenska, Veronika Dvorakova, Lukas Pacal, Katarina Chalasova, Monika Kratochvilova, Jaromir Gumulec, Branislav Ruttkay-Nedecky, Ondrej Zitka, Katerina Kankova, Vojtech Adam, Michal Masarik
Hyperglycemia, a major metabolic disturbance present in diabetes, promotes oxidative stress. Activation of antioxidant defense is an important mechanism to prevent cell damage. Levels of heavy metals and their binding proteins can contribute to oxidative stress. Antiradical capacity and levels of metallothionein (MT), metals (zinc and copper), and selected antioxidants (bilirubin, cysteine, and glutathione) were determined in 70 type 2 diabetes mellitus (T2DM) subjects and 80 healthy subjects of Caucasian origin...
January 6, 2017: Journal of Biochemical and Molecular Toxicology
https://www.readbyqxmd.com/read/28057574/a-proteomic-approach-to-identify-metalloproteins-and-metal-binding-proteins-in-liver-from-diabetic-rats
#5
Camila Pereira Braga, José Cavalcante Souza Vieira, Ryan A Grove, Cory H T Boone, Aline de Lima Leite, Marília Afonso Rabelo Buzalaf, Ana Angélica Henrique Fernandes, Jiri Adamec, Pedro de Magalhaes Padilha
Proteins play crucial roles in biological systems, thus studies comparing the protein pattern present in a healthy sample with an affected sample have been widely used for disease biomarker discovery. Although proteins containing metal ions constitute only a small proportion of the proteome, they are essential in a multitude of structural and functional processes. The correct association between metal ions and proteins is essential because this binding can significantly interfere with normal protein function...
January 3, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28045430/administration-of-zinc-plus-cyclo-his-pro-increases-hippocampal-neurogenesis-in-rats-during-the-early-phase-of-streptozotocin-induced-diabetes
#6
Bo Young Choi, In Yeol Kim, Jin Hee Kim, Bo Eun Lee, Song Hee Lee, A Ra Kho, Min Sohn, Sang Won Suh
The effects of zinc supplementation on hippocampal neurogenesis in diabetes mellitus have not been studied. Herein, we investigated the effects of zinc plus cyclo-(His-Pro) (ZC) on neurogenesis occurring in the subgranular zone of dentate gyrus after streptozotocin (STZ)-induced diabetes. ZC (27 mg/kg) was administered by gavage once daily for one or six weeks from the third day after the STZ injection, and histological evaluation was performed at 10 (early phase) or 45 (late phase) days after STZ injection...
January 1, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28032423/comparison-of-the-impact-of-human-vs-analogue-insulins-on-glycosylated-haemoglobin-in-a-population-with-diabetes-mellitus
#7
Jorge Enrique Machado-Alba, Diego Alejandro Medina-Morales
AIMS: To compare the effect on metabolic control of treatment with conventional and analogue insulins for patients with diabetes mellitus. METHODS: Retrospective cohort study held in cities of Colombia (Pereira and Manizales). People insured by the paid healthcare system, who were diagnosed with diabetes mellitus type 1 and 2, and treated with conventional and analogue insulin for at least 6 months prior to the start of the study were sampled and followed up for 18 months...
December 2016: International Journal of Clinical Practice
https://www.readbyqxmd.com/read/27998308/semilobar-holoprosencephaly-in-a-12-month-old-baby-boy-born-to-a-primigravida-patient-with-type-1-diabetes-mellitus-a-case-report
#8
Pedro Pallangyo, Frederick Lyimo, Paulina Nicholaus, Hilda Makungu, Maria Mtolera, Isaac Mawenya
BACKGROUND: Holoprosencephaly is a rare spectrum of cephalic disorders resulting from a failure or incomplete division of the embryonic forebrain into distinct cerebral hemispheres. It is the most common brain malformation with an incidence of 1:250 during embryogenesis; however, owing to the associated high rates of spontaneous abortion the incidence is 1:16,000 among live deliveries. Pathogenesis of holoprosencephaly is complex and heterogeneous involving genetic abnormalities, teratogenic exposures, and syndromic associations...
December 20, 2016: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/27990559/prevention-of-hypoglycemia-induced-hippocampal-neuronal-death-by-n-acetyl-l-cysteine-nac
#9
A Ra Kho, Bo Young Choi, Jin Hee Kim, Song Hee Lee, Dae Ki Hong, Sang Hwon Lee, Jeong Hyun Jeong, Min Sohn, Sang Won Suh
Type 1 and type 2 diabetic patients who are treated with insulin or other blood glucose reducing agents for tight control of blood glucose levels are frequently at risk of experiencing severe hypoglycemia which can lead to seizures, loss of consciousness and death. Hypoglycemic neuronal cell death is not a simple result of low glucose supply to the brain, but, instead, results from a cell death signaling pathway that is started by the re-administration of glucose after glucose deprivation. Zinc is a biologically important element for physiological function of central nervous system...
December 19, 2016: Amino Acids
https://www.readbyqxmd.com/read/27984016/trace-elements-and-diabetes-assessment-of-levels-in-tears-and-serum
#10
A Cancarini, J Fostinelli, L Napoli, M E Gilberti, P Apostoli, F Semeraro
Tear film is critical for the well-being and homeostasis of the ocular surface. Although the composition of the tear film is well known, the composition of metallic elements have yet to be analysed. Despite trace elements metabolism has been reported to play a role in the pathogenesis of diabetes mellitus, a metabolic disease that affects several aspects of homeostasis, little is known in the literature regarding concentration and possible variation of metallic elements in tear film. We studied the concentrations of several essential and non-essential metallic elements in the tear fluid and serum of patients with type II diabetes mellitus and a group of non-diabetic controls...
October 29, 2016: Experimental Eye Research
https://www.readbyqxmd.com/read/27983982/mir-24-suppression-of-poz-btb-and-at-hook-containing-zinc-finger-protein-1-patz1-protects-endothelial-cell-from-diabetic-damage
#11
Yan-Xiang Cui, Yu-Zhong Hua, Ning Wang, Xun Chen, Fang Wang, Jun-Ying Liu, Lei-Lei Wang, Chang-You Yan, Yang-Guo Ma, Yun-He Cao, Xiu-Hua Zhang
The regulatory transcriptional factor PATZ1 is abnormally up-regulated in diabetic endothelial cells (ECs) where it acts as an anti-angiogenic factor via modulation of fatty acid-binding protein 4 (FABP4) signaling. The aim of the present work was to elucidate the upstream molecular events regulating PATZ1 expression in diabetic angiogenesis. The bioinformatics search for microRNAs (miRNAs) able to potentially target PATZ1 led to the identification of several miRNAs. Among them we focused on the miR-24 since the multiple targets of miR-24, which have so far been identified in beta cells, cardiomyocytes and macrophages, are all involved in diabetic complications...
October 28, 2016: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/27957812/interrelationships-among-mediators-of-cellular-zinc-homeostasis-in-healthy-and-type-2-diabetes-mellitus-populations
#12
Anna Chu, Meika Foster, Dale Hancock, Peter Petocz, Samir Samman
SCOPE: The involvement of zinc in multiple physiological systems requires tight control of cellular zinc concentration. This study aims to explore the relationships among selected mediators of cellular zinc homeostasis in an apparently healthy (AH) population and a cohort with Type 2 diabetes mellitus (T2DM). METHODS AND RESULTS: Baseline data of three trials forming two cohorts, AH (n = 70) and T2DM (n = 42), were used for multivariate analyses to identify groupings within 10 zinc transporter and metallothionein gene expressions, stratified by health status...
December 13, 2016: Molecular Nutrition & Food Research
https://www.readbyqxmd.com/read/27930980/vitamin-d3-intake-as-regulator-of-insulin-degrading-enzyme-and-insulin-receptor-phosphorylation-in-diabetic-rats
#13
Mohamed Mahmoud Elseweidy, Rawia Sarhan Amin, Hebatallah Husseini Atteia, Maha Abdo Ali
Insulin-degrading enzyme (IDE, insulysin) is a rate-limiting enzyme in the insulin degradation process. It is an intracellular 110-kDa thiol zinc-metalloendopeptidase located in the cytosol, peroxisomes, endosomes and cell surface. IDE catalyzes degradation of several small proteins including insulin, amylin and β-amyloid protein. In addition, insulin clearance was expressed as a target in the treatment of type 2 diabetes given the role of hyperinsulinemia in the pathogenesis of insulin resistance. In this study, fourtyadult male Wistar albino rats were used, thirty rats received 20% fructose in drinking water (HFW) for six weeks to induce diabetes...
January 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/27925712/quantitative-assessment-of-nutrition-in-patients-with-polycystic-ovary-syndrome-pcos
#14
Małgorzata Szczuko, Magdalena Skowronek, Marta Zapałowska-Chwyć, Andrzej Starczewski
Background: PCOS (polycystic ovary syndrome) is called a pathology of the XX century and affects at least 10-15% women of childbearing age. The therapy involves pharmacotherapy of hormonal imbalance, as well as the change of lifestyle, including the diet. Objective: Performing the quantitative assessment of components of diets of women with PCOS, comparing the results with current dietary standards for Polish people and defining dietary requirements for the patients...
2016: Roczniki Państwowego Zakładu Higieny
https://www.readbyqxmd.com/read/27899485/circulating-microrna-122-is-associated-with-the-risk-of-new-onset-metabolic-syndrome-and-type-2-diabetes
#15
Peter Willeit, Philipp Skroblin, Alexander R Moschen, Xiaoke Yin, Dorothee Kaudewitz, Anna Zampetaki, Temo Barwari, Meredith Whitehead, Cristina M Ramírez, Leigh Goedeke, Noemi Rotllan, Enzo Bonora, Alun D Hughes, Peter Santer, Carlos Fernández-Hernando, Herbert Tilg, Johann Willeit, Stefan Kiechl, Manuel Mayr
MicroRNA-122 (miR-122) is abundant in the liver and involved in lipid homeostasis, but its relevance to the long-term risk of developing metabolic disorders is unknown. We therefore measured circulating miR-122 in the prospective population-based Bruneck Study (n=810; survey year: 1995). Circulating miR-122 was associated with prevalent insulin resistance, obesity, metabolic syndrome, type-2 diabetes, and an adverse lipid profile. Among 92 plasma proteins and 135 lipid subspecies quantified with mass spectrometry, it correlated inversely with zinc-alpha-2-glycoprotein and positively with afamin, complement-factor H, VLDL-associated apolipoproteins, and lipid subspecies containing monounsaturated and saturated fatty acids...
November 29, 2016: Diabetes
https://www.readbyqxmd.com/read/27899481/hznt8-slc30a8-transgenic-mice-which-overexpress-the-r325w-polymorph-have-reduced-islet-zn2-and-proinsulin-levels-increased-glucose-tolerance-after-a-high-fat-diet-and-altered-levels-of-pancreatic-zinc-binding-proteins
#16
Li Li, Shi Bai, Christian T Sheline
Zinc is involved in both type-1 (T1DM) and type-2 (T2DM) diabetes. The wildtype (WT) form of the beta-cell specific Zn(2+) transporter, ZNT8, is linked to T2DM susceptibility. ZnT8 null mice have a mild phenotype with a slight decrease in glucose tolerance, whereas patients with the ZnT8 R325W polymorphism (rs13266634) have decreased proinsulin staining and susceptibility to T2DM. We measured zinc, insulin, and proinsulin stainings, and IPGTT in transgenic mice overexpressing hZnT8 WT or hZnT8 R325W fed a normal or high fat diet (HFD)...
November 29, 2016: Diabetes
https://www.readbyqxmd.com/read/27899417/emerging-roles-of-glis3-in-neonatal-diabetes-type-1-and-type-2-diabetes
#17
Xianjie Wen, Yisheng Yang
GLI-similar 3 (GLIS3), a member of the Krüppel-like zinc finger protein subfamily, is predominantly expressed in the pancreas, thyroid, and kidney. Glis3 mRNA can be initially detected in mouse pancreas at embryonic day 11.5 and is largely restricted to β cells, pancreatic polypeptide-expressing cells, as well as ductal cells at later stage of pancreas development. Mutations in GLIS3 cause a neonatal diabetes syndrome, characterized by neonatal diabetes, congenital hypothyroidism, and polycystic kidney. Importantly, genome-wide association studies showed that variations of GLIS3 are strongly associated with both type 1 diabetes (T1D) and type 2 diabetes (T2D) in multiple populations...
November 29, 2016: Journal of Molecular Endocrinology
https://www.readbyqxmd.com/read/27896278/lack-of-association-between-slc30a8-variants-and-type-2-diabetes-in-mexican-american-families
#18
Hemant Kulkarni, Manju Mamtani, Juan Manuel Peralta, Vincent Diego, Thomas D Dyer, Harald Goring, Laura Almasy, Michael C Mahaney, Sarah Williams-Blangero, Ravindranath Duggirala, Joanne E Curran, John Blangero
SLC30A8 encodes zinc transporter 8 which is involved in packaging and release of insulin. Evidence for the association of SLC30A8 variants with type 2 diabetes (T2D) is inconclusive. We interrogated single nucleotide polymorphisms (SNPs) around SLC30A8 for association with T2D in high-risk, pedigreed individuals from extended Mexican American families. This study of 118 SNPs within 50 kb of the SLC30A8 locus tested the association with eight T2D-related traits at four levels: (i) each SNP using measured genotype approach (MGA); (ii) interaction of SNPs with age and sex; (iii) combinations of SNPs using Bayesian Quantitative Trait Nucleotide (BQTN) analyses; and (iv) entire gene locus using the gene burden test...
2016: Journal of Diabetes Research
https://www.readbyqxmd.com/read/27895622/serum-zn-cu-ratio-is-associated-with-renal-function-glycemic-control-and-metabolic-parameters-in-japanese-patients-with-and-without-type-2-diabetes-a-cross-sectional-study
#19
Hidetaka Hamasaki, Yu Kawashima, Hidekatsu Yanai
BACKGROUND: Zinc (Zn) and copper (Cu) may play a pivotal role in the pathogenesis of diabetes and diabetic complications by mediating oxidative stress. Both Zn deficiency and excess of Cu are associated with an increased risk of type 2 diabetes and cardiovascular disease. We aimed to investigate the relationships between serum Zn/Cu ratio and glycemic status, renal function, and metabolic parameters in patients with and without type 2 diabetes. METHODS: We conducted a cross-sectional study on 355 subjects (149 type 2 diabetic and 206 non-diabetic) in whom serum Zn and Cu levels were measured at the same time...
2016: Frontiers in Endocrinology
https://www.readbyqxmd.com/read/27890939/the-metal-face-of-protein-tyrosine-phosphatase-1b
#20
REVIEW
Elisa Bellomo, Kshetrimayum Birla Singh, Alberto Massarotti, Christer Hogstrand, Wolfgang Maret
A new paradigm in metallobiochemistry describes the activation of inactive metalloenzymes by metal ion removal. Protein tyrosine phosphatases (PTPs) do not seem to require a metal ion for enzymatic activity. However, both metal cations and metal anions modulate their enzymatic activity. One binding site is the phosphate binding site at the catalytic cysteine residue. Oxyanions with structural similarity to phosphate, such as vanadate, inhibit the enzyme with nanomolar to micromolar affinities. In addition, zinc ions (Zn(2+)) inhibit with picomolar to nanomolar affinities...
November 15, 2016: Coordination Chemistry Reviews
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