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https://www.readbyqxmd.com/read/29774371/prediction-of-deoxynivalenol-toxicokinetics-in-humans-by-in-vitro-to-in-vivo-extrapolation-and-allometric-scaling-of-in-vivo-animal-data
#1
Christiane Kruse Fæste, Lada Ivanova, Amin Sayyari, Ulrik Hansen, Tore Sivertsen, Silvio Uhlig
Deoxynivalenol (DON) is the most prevalent mycotoxin in cereals worldwide. It can cause adverse health effects in humans and animals, and maximum levels in food and feed have been implemented by food authorities based on risk assessments derived from estimated intake levels. The lack of human toxicokinetic data such as absorption, distribution, and elimination characteristics hinders the direct calculation of DON plasma levels and exposure. In the present study, we have, therefore, used in vitro-to-in vivo extrapolation of depletion constants in hepatic microsomes from different species and allometric scaling of reported in vivo animal parameters to predict the plasma clearance [0...
May 17, 2018: Archives of Toxicology
https://www.readbyqxmd.com/read/29763681/manuka-honey-attenuates-oxidative-damage-induced-by-h-2-o-2-in-human-whole-blood-in-vitro
#2
Lada Živković, Vladan Bajić, Dragana Dekanski, Andrea Čabarkapa-Pirković, Francesca Giampieri, Massimiliano Gasparrini, Luca Mazzoni, Biljana Spremo Potparević
Manuka honey has been widely researched regarding its biological properties, in particular its antimicrobial and antioxidant capacities. We tested the genotoxic and genoprotective properties of Manuka honey, ranging from 25-1000 μg/mL, by performing an in vitro comet assay after exposure to human whole blood. No genotoxic effect on whole blood cells was observed within the tested concentration range (p = 0.154). Then, the antigenotoxic potency of Manuka honey against oxidative DNA damage to whole blood cells was assessed...
May 12, 2018: Food and Chemical Toxicology
https://www.readbyqxmd.com/read/29745910/misdiagnosed-patient-with-latent-autoimmune-diabetes-in-adults-case-report
#3
H Petreski
Latent Autoimmune Diabetes in Adults (LADA) is often misdiagnosed because it lacks both awareness and standardized diagnostic criteria. A 30-year-old patient with high blood glucose, HbA1c level 10.1% and positive GAD antibodies was diagnosed with type 1 diabetes but LADA was not ruled out. Patient refused to receive insulin therapy. He chose to follow the dietary restrictions and therapy with sulfonylurea, initiated by another physician. Following 7 months the patient's HbA1c values decreased, but never achieved the goal...
April 2018: Georgian Medical News
https://www.readbyqxmd.com/read/29741670/cadmium-exposure-inhibits-branching-morphogenesis-and-causes-alterations-consistent-with-hif-1%C3%AE-inhibition-in-human-primary-breast-organoids
#4
Sabrina A Rocco, Lada Koneva, Lauren Y M Middleton, Tasha Thong, Sumeet Solanki, Sarah Karram, Kowit Nambunmee, Craig Harris, Laura S Rozek, Maureen A Sartor, Yatrik M Shah, Justin A Colacino
Developmental cadmium exposure in vivo disrupts mammary gland differentiation, while exposure of breast cell lines to cadmium causes invasion consistent with the epithelial-mesenchymal transition (EMT). The effects of cadmium on normal human breast stem cells have not been measured. Here, we quantified the effects of cadmium exposure on reduction mammoplasty patient-derived breast stem cell proliferation and differentiation. Using the mammosphere assay and organoid formation in 3D hydrogels, we tested two physiologically relevant doses of cadmium, 0...
May 7, 2018: Toxicological Sciences: An Official Journal of the Society of Toxicology
https://www.readbyqxmd.com/read/29715140/depression-in-choroidal-melanoma-patients-treated-with-proton-beam-radiotherapy
#5
Marilita M Moschos, Giannis A Moustafa, Anastasios Lavaris, Christos Damaskos, Konstantinos Laios, Ekaterini Karathanou, Dimitrios S Ladas, Ioannis Asproudis, Nikolaos Garmpis, Christos Kalogeropoulos
AIM: To determine depression in patients with choroidal melanoma (CM) treated with proton beam radiotherapy. PATIENTS AND METHODS: This was a cross-sectional study including 50 patients with CM (50% males, mean age=49.88±6.34 years) and 46 age- and sex-matched healthy controls (52% males, mean age=48.60±8.05 years). Participants completed the Patient Health Questionnaire-9 (PHQ-9) and the Zung Self-Rating Depression Scale (SDS) questionnaires. RESULTS: There was a considerable difference in visual acuity as logarithm of the minimum angle of resolution (logMAR) between the patient and control groups (1...
May 2018: Anticancer Research
https://www.readbyqxmd.com/read/29706951/transcriptional-modulation-of-human-endogenous-retroviruses-in-primary-cd4-t-cells-following-vorinostat-treatment
#6
Cory H White, Nadejda Beliakova-Bethell, Steven M Lada, Michael S Breen, Tara P Hurst, Celsa A Spina, Douglas D Richman, John Frater, Gkikas Magiorkinis, Christopher H Woelk
The greatest obstacle to a cure for HIV is the provirus that integrates into the genome of the infected cell and persists despite antiretroviral therapy. A "shock and kill" approach has been proposed as a strategy for an HIV cure whereby drugs and compounds referred to as latency-reversing agents (LRAs) are used to "shock" the silent provirus into active replication to permit "killing" by virus-induced pathology or immune recognition. The LRA most utilized to date in clinical trials has been the histone deacetylase (HDAC) inhibitor-vorinostat...
2018: Frontiers in Immunology
https://www.readbyqxmd.com/read/29697198/pathophysiology-based-phenotyping-in-type-2-diabetes-a-clinical-classification-tool
#7
Jacob V Stidsen, Jan E Henriksen, Michael H Olsen, Reimar W Thomsen, Jens S Nielsen, Jørgen Rungby, Sinna P Ulrichsen, Klara Berencsi, Johnny A Kahlert, Søren G Friborg, Ivan Brandslund, Aneta A Nielsen, Jens S Christiansen, Henrik T Sørensen, Thomas B Olesen, Henning Beck-Nielsen
BACKGROUND: Type 2 diabetes may be a more heterogeneous disease than previously thought. Better understanding of pathophysiological subphenotypes could lead to more individualized diabetes treatment. We examined the characteristics of different phenotypes among 5813 Danish patients with new clinically diagnosed type 2 diabetes. METHODS: We first identified all patients with rare subtypes of diabetes, latent autoimmune diabetes of adults (LADA), secondary diabetes, or glucocorticoid-associated diabetes...
April 26, 2018: Diabetes/metabolism Research and Reviews
https://www.readbyqxmd.com/read/29643787/optical-coherence-tomography-angiography-of-foveal-neovascularization-in-diabetic-retinopathy
#8
Konstantinos Andreanos, Tryfon Rotsos, George Kymionis, Chryssanthi Koutsandrea, Athanasios Kotsolis, Ioannis Ladas
Purpose: To report a case of foveal neovascularization in a patient with proliferative diabetic retinopathy as seen on optical coherence tomography angiography (OCT-A). Methods: Multimodal imaging was used for diagnostic investigation. Patient: A 61-year-old male with a 16-year history of insulin-dependent diabetes mellitus was referred to our medical retina department for examination and management. Meticulous fundus examination and multimodal imaging revealed proliferative diabetic retinopathy lesions, including neovascularization located in the foveal area...
January 2018: Case Reports in Ophthalmology
https://www.readbyqxmd.com/read/29619531/autoantibodies-to-n-terminally-truncated-gad-improve-clinical-phenotyping-of-individuals-with-adult-onset-diabetes-action-lada-12
#9
Peter Achenbach, Mohammed I Hawa, Stephanie Krause, Vito Lampasona, Samuel T Jerram, Alistair J K Williams, Ezio Bonifacio, Anette G Ziegler, R David Leslie
AIMS/HYPOTHESIS: Adult-onset type 1 diabetes, in which the 65 kDa isoform of GAD (GAD65) is a major autoantigen, has a broad clinical phenotype encompassing variable need for insulin therapy. This study aimed to evaluate whether autoantibodies against N-terminally truncated GAD65 more closely defined a type 1 diabetes phenotype associated with insulin therapy. METHODS: Of 1114 participants with adult-onset diabetes from the Action LADA (latent autoimmune diabetes in adults) study with sufficient sera, we selected those designated type 1 (n = 511) or type 2 diabetes (n = 603) and retested the samples in radiobinding assays for human full-length GAD65 autoantibodies (f-GADA) and N-terminally truncated (amino acids 96-585) GAD65 autoantibodies (t-GADA)...
April 4, 2018: Diabetologia
https://www.readbyqxmd.com/read/29616948/dietary-patterns-in-nafld-and-their-interaction-with-polymorphisms-in-pnpla3-and-tm6sf2-genes
#10
Dimitra Borsa, Ioanna-Panagiota Kalafati, John Vlachogiannakos, Konstantinos Revenas, Alexander Kokkinos, Spyridon Ladas, George Dedoussis
No abstract text is available yet for this article.
April 2018: Clinical Nutrition ESPEN
https://www.readbyqxmd.com/read/29607129/pulmonary-metastectomy-impact-of-tumor-histology-and-size
#11
EDITORIAL
Michal J Lada, Michael T Milano, Carolyn E Jones
No abstract text is available yet for this article.
February 2018: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/29604537/chronic-exposure-to-low-environmental-concentrations-and-legal-aquaculture-doses-of-antibiotics-cause-systemic-adverse-effects-in-nile-tilapia-and-provoke-differential-human-health-risk
#12
Samwel M Limbu, Li Zhou, Sheng-Xiang Sun, Mei-Ling Zhang, Zhen-Yu Du
BACKGROUND: Antibiotics used globally to treat human and animal diseases exist ubiquitously in the environment at low doses because of misuse, overdose and poor absorption after ingestion, coupled with their high-water solubility and degradation resistance. However, the systemic chronic effects of exposure to low environmental concentrations of antibiotics (LECAs) and legal aquaculture doses of antibiotics (LADAs) in fish and their human health risk are currently unknown. OBJECTIVE: To investigate the in vivo chronic effects of exposure to LECAs and LADAs using oxytetracycline (OTC) and sulfamethoxazole (SMZ) in Nile tilapia (Oreochromis niloticus) and their human health risk...
March 27, 2018: Environment International
https://www.readbyqxmd.com/read/29589073/overweight-obesity-and-the-risk-of-lada-results-from-a-swedish-case-control-study-and-the-norwegian-hunt-study
#13
Rebecka Hjort, Emma Ahlqvist, Per-Ola Carlsson, Valdemar Grill, Leif Groop, Mats Martinell, Bahareh Rasouli, Anders Rosengren, Tiinamaija Tuomi, Bjørn Olav Åsvold, Sofia Carlsson
AIMS/HYPOTHESIS: Excessive weight is a risk factor for type 2 diabetes, but its role in the promotion of autoimmune diabetes is not clear. We investigated the risk of latent autoimmune diabetes in adults (LADA) in relation to overweight/obesity in two large population-based studies. METHODS: Analyses were based on incident cases of LADA (n = 425) and type 2 diabetes (n = 1420), and 1704 randomly selected control participants from a Swedish case-control study and prospective data from the Norwegian HUNT Study including 147 people with LADA and 1,012,957 person-years of follow-up (1984-2008)...
March 27, 2018: Diabetologia
https://www.readbyqxmd.com/read/29587655/impedance-cardiography-as-tool-for-continuous-hemodynamic-monitoring-during-cesarean-section-randomized-prospective-double-blind-study
#14
Alessandro D'Ambrosio, Antonella Cotoia, Renata Beck, Potito Salatto, Lada Zibar, Gilda Cinnella
BACKGROUND: Impedance Cardiography (ICG) is a non-invasive tool for continuous hemodynamic monitoring. Aims of our study were to assess the utility of ICG to evaluate the hemodynamic impact of 6 mg (GL6) vs 8 mg (GL8) levobupivacaine combined with fentanyl in healthy patients undergoing elective cesarean section; secondary, to compare the duration and quality of analgesia and anesthesia. METHODS: Sixty-two women receiving combined spinal-epidural (CSE) for elective cesarean delivery were randomly allocated to GL6 or GL8 groups...
March 27, 2018: BMC Anesthesiology
https://www.readbyqxmd.com/read/29574608/fish-intake-interacts-with-tm6sf2-gene-variant-to-affect-nafld-risk-results-of-a-case-control-study
#15
I P Kalafati, M Dimitriou, D Borsa, J Vlachogiannakos, K Revenas, A Kokkinos, S D Ladas, G V Dedoussis
PURPOSE: Non-alcoholic fatty liver disease (NAFLD) is a complex disease, resulting from a variety of genetic and environmental factors. The aim of this case-control study was to evaluate the effect of selected genetic polymorphisms, nutrition aspects and their interaction on the risk of NAFLD. METHODS: The sample consisted of 134 patients with NAFLD and 217 controls. Disease was diagnosed by liver ultrasound and volunteers were clinically and nutritionally assessed...
March 24, 2018: European Journal of Nutrition
https://www.readbyqxmd.com/read/29552558/nd-tio-2-anatase-brookite-photocatalysts-for-photocatalytic-decomposition-of-methanol
#16
Kamila Kočí, Ivana Troppová, Martin Reli, Lenka Matějová, Miroslava Edelmannová, Helena Drobná, Lada Dubnová, Anna Rokicińska, Piotr Kuśtrowski, Libor Čapek
Neodymium enriched TiO2 anatase-brookite powders were prepared by unconventional method via using pressurized hot fluids for TiO2 crystallization and purification. The photocatalysts were tested in the CH3 OH photocatalytic decomposition and they were characterized with respect to the textural (nitrogen adsorption), structural (XRD, XPS, and Raman spectroscopies), chemical (XRF), and optical (DR UV-Vis spectroscopy) and photoelectrochemical measurement. All prepared materials were nanocrystalline, had biphasic (anatase- brookite) structure and relatively large specific surface area (125 m2 ...
2018: Frontiers in Chemistry
https://www.readbyqxmd.com/read/29543854/comparison-of-axial-length-anterior-chamber-depth-and-intraocular-lens-power-between-iolmaster-and-ultrasound-in-normal-long-and-short-eyes
#17
Jing Dong, Yaqin Zhang, Haining Zhang, Zhijie Jia, Suhua Zhang, Xiaogang Wang
PURPOSE: To compare the axial length (AL), anterior chamber depth (ACD) and intraocular lens power (IOLP) of IOLMaster and Ultrasound in normal, long and short eyes. METHODS: Seventy-four normal eyes (≥ 22 mm and ≤ 25 mm), 74 long eyes (> 25 mm) and 78 short eyes (< 22 mm) underwent AL and ACD measurements with both devices in the order of IOLMaster followed by Ultrasound. The IOLP were calculated using a free online LADAS IOL formula calculator. RESULTS: The difference in AL and IOLP between IOLMaster and Ultrasound was statistically significant when all three groups were combined...
2018: PloS One
https://www.readbyqxmd.com/read/29542013/the-influence-of-substituents-on-the-reactivity-and-cytotoxicity-of-imidazothiazolotriazinones
#18
Galina A Gazieva, Alexei N Izmest'ev, Lada V Anikina, Sergey A Pukhov, Marina E Meshchaneva, Dmitry V Khakimov, Natalya G Kolotyrkina, Angelina N Kravchenko
A series of tetrahydroimidazo[4,5-e]thiazolo[3,2-b]-1,2,4-triazine-2,7(1H, 6H)-diones were synthesized via the reaction of imidazotriazinethiones and bromoacetic acid followed by condensation with isatins. Amidine skeletal rearrangement of 3,3a,9,9a-tetrahydroimidazo[4,5-e]thiazolo[3,2-b]-1,2,4-triazine-2,7 (1H, 6H)-diones into 1,3a,4,9a-tetrahydroimidazo[4,5-e]thiazolo[2,3-c]-1,2,4-triazine-2,8 (3H, 7H)-diones under KOH treatment has been studied. The influence of substituents at positions 1,3,3a,6,9a of imidazothiazolotriazine on the ability to undergo rearrangement was analyzed based on experimental data and theoretical calculations...
March 14, 2018: Molecular Diversity
https://www.readbyqxmd.com/read/29518492/lower-mortality-and-cardiovascular-event-rates-in-patients-with-latent-autoimmune-diabetes-in-adults-lada-as-compared-with-type-2-diabetes-and-insulin-deficient-diabetes-a-cohort-study-of-4368-patients
#19
Mette Wod, Reimar W Thomsen, Lars Pedersen, Knud B Yderstraede, Henning Beck-Nielsen, Kurt Højlund
BACKGROUND: Latent Autoimmune Diabetes in Adults (LADA) is the second most common form of diabetes, but data on its clinical course and prognosis are scarce. We compared long-term risk of mortality and cardiovascular outcomes in patients with LADA, type 2 diabetes mellitus (T2D), and insulin deficient diabetes (IDD). METHODS: We conducted a cohort study of 4368 adults with diabetes referred to the Department of Endocrinology, Odense University Hospital, Denmark, between 1997 and 2012...
May 2018: Diabetes Research and Clinical Practice
https://www.readbyqxmd.com/read/29510221/acute-toxicity-study-in-mice-of-orally-administrated-tio-2-nanoparticles-functionalized-with-caffeic-acid
#20
Dragana Dekanski, Biljana Spremo-Potparević, Vladan Bajić, Lada Živković, Dijana Topalović, Dušan N Sredojević, Vesna Lazić, Jovan M Nedeljković
The acute toxicity of surface-modified TiO2 nanoparticles (NPs) with caffeic acid (CA) was compared with those of its separate constituents (free CA and bare TiO2 NPs) upon their oral administration in laboratory mice. Prior to in vivo experiments, the interfacial charge transfer (ICT) complex between surface Ti atoms and CA is thoroughly characterized. Composition and stability constants of ICT complex were determined using Job's method and Banesi-Hildebrand analysis, respectively. The experimental data were supported with quantum chemical calculations based on density functional theory (DFT)...
May 2018: Food and Chemical Toxicology
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