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https://www.readbyqxmd.com/read/28544229/clinical-heterogeneity-of-type-1-diabetes-t1d-found-in-asia
#1
REVIEW
Yongsoo Park, Kupper A Wintergerst, Zhiguang Zhou
Diabetes mellitus among young patients in Asia is caused by a complex set of factors. Although T1D remains the most common form of diabetes in children, the recent unabated increase in obesity has resulted in the emergence of T2D as a new type of diabetes at adolescent and young adult age. In addition to the typical autoimmune type 1 diabetes (T1aD) and type 2 diabetes (T2D) patients, there is a variable incidence of cases of non-autoimmune types of T1D associated with insulin deficiency (T1bD). Additional forms have been described, including fulminant T1D (FT1D)...
May 19, 2017: Diabetes/metabolism Research and Reviews
https://www.readbyqxmd.com/read/28543811/the-structural-flexibility-of-the-human-copper-chaperone-atox1-insights-from-combined-pulsed-epr-studies-and-computations
#2
Ariel R Levy, Meital Turgeman, Lada Gevorkyan-Aiapetov, Sharon Ruthstein
Metallochaperones are responsible for shuttling metal ions to target proteins. Thus, a metallochaperone's structure must be sufficiently flexible both to hold onto its ion while traversing the cytoplasm and to transfer the ion to or from a partner protein. Here, we sought to shed light on the structure of Atox1, a metallochaperone involved in the human copper regulation system. Atox1 shuttles copper ions from the main copper transporter, Ctr1, to the ATP7b transporter in the Golgi apparatus. Conventional biophysical tools such as X-ray or NMR cannot always target the various conformational states of metallochaperones, owing to a requirement for crystallography or low sensitivity and resolution...
May 20, 2017: Protein Science: a Publication of the Protein Society
https://www.readbyqxmd.com/read/28532935/toric-outcomes-computer-assisted-registration-versus-intraoperative-aberrometry
#3
Jonathan D Solomon, John Ladas
PURPOSE: To compare refractive outcomes of intraoperative computer-assisted registration and intraoperative aberrometry for the reduction of cylinder during toric intraocular lens (IOL) placement. SETTING: Bowie Vision Institute, Bowie, Maryland, USA. DESIGN: Prospective randomized case series. METHOD: The patients were divided into 2 groups that had toric IOL implantation after phacoemulsification. The intraoperative computer-assisted registration group (Group 1) had preoperative toric calculations...
April 2017: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/28514308/emotional-exhaustion-induced-latent-autoimmune-diabetes-in-adults-in-a-young-lady-a-care-compliant-case-report
#4
Yin-Ling Chen, Yong-Chao Qiao, Xin-Nan Song, Wei Ling, Hai-Lu Zhao, Xiao-Xi Zhang
RATIONALE: Latent autoimmune diabetes in adults (LADA) refers to an autoimmune disorder characterized with detectable islets antibodies in the early diagnosis and increased autoimmune beta-cell failure progression. Notably, this kind of diabetes seems to be confused with other phenotypic diabetes. PATIENT CONCERNS: A young woman suffered an emotional exhaustion-induced LADA, showing asthenia, polydipsia, polyuria, and visible weight loss. The patient emotionally ended a 14-year romantic relationship, leading to the emotional flooding...
May 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28498882/mutational-signatures-and-mutable-motifs-in-cancer-genomes
#5
Igor B Rogozin, Youri I Pavlov, Alexander Goncearenco, Subhajyoti De, Artem G Lada, Eugenia Poliakov, Anna R Panchenko, David N Cooper
Cancer is a genetic disorder, meaning that a plethora of different mutations, whether somatic or germ line, underlie the etiology of the 'Emperor of Maladies'. Point mutations, chromosomal rearrangements and copy number changes, whether they have occurred spontaneously in predisposed individuals or have been induced by intrinsic or extrinsic (environmental) mutagens, lead to the activation of oncogenes and inactivation of tumor suppressor genes, thereby promoting malignancy. This scenario has now been recognized and experimentally confirmed in a wide range of different contexts...
May 11, 2017: Briefings in Bioinformatics
https://www.readbyqxmd.com/read/28494148/raman-spectroscopy-of-lattice-matched-graphene-on-strongly-interacting-metal-surfaces
#6
Dmitry Yu Usachov, Valery Yu Davydov, Vladimir S Levitskii, Viktor O Shevelev, Dmitry Marchenko, Boris V Senkovskiy, Oleg Yu Vilkov, Artem G Rybkin, Lada V Yashina, Evgueni V Chulkov, Irina Yu Sklyadneva, Rolf Heid, Klaus-Peter Bohnen, Clemens Laubschat, Denis V Vyalikh
Regardless of the widely accepted opinion that there is no Raman signal from single-layer graphene when it is strongly bonded to a metal surface, we present Raman spectra of a graphene monolayer on Ni(111) and Co(0001) substrates. The high binding energy of carbon to these surfaces allows formation of lattice-matched (1 × 1) structures where graphene is significantly stretched. This is reflected in a record-breaking shift of the Raman G band by more than 100 cm(-1) relative to the case of freestanding graphene...
May 18, 2017: ACS Nano
https://www.readbyqxmd.com/read/28490257/tissue-distribution-and-elimination-of-deoxynivalenol-and-ochratoxin-a-in-dietary-exposed-atlantic-salmon-salmo-salar
#7
Aksel Bernhoft, Helga R Høgåsen, Grethe Rosenlund, Lada Ivanova, Marc H G Berntssen, Jan Alexander, Gunnar Sundstøl Eriksen, Christiane Kruse Fæste
Post-smolt Atlantic salmon, were fed standard feed with added 2 or 6 mg/kg pure deoxynivalenol (DON), 0.8 or 2.4 mg/kg pure ochratoxin A (OTA), or no added toxins, for up to eight weeks. The experiments were performed in duplicate tanks with 25 fish each per diet group, and the feed was given for three two-hour periods per day. After three, six and eight weeks ten fish from each diet group were sampled. In the following hours after the last feeding at eight weeks, toxin elimination was studied by sampling three fish per diet group at five time points...
May 11, 2017: Food Additives & Contaminants. Part A, Chemistry, Analysis, Control, Exposure & Risk Assessment
https://www.readbyqxmd.com/read/28479035/erratum-to-prevalence-and-risk-factors-for-diabetic-retinopathy-at-diagnosis-drad-in-patients-recently-diagnosed-with-type-2-diabetes-t2d-or-latent-autoimmune-diabetes-in-the-adult-lada-j-diabetes-complications-30-8-1456-1461
#8
Mats Martinell, Mozhgan Dorkhan, Jan Stålhammar, Petter Storm, Leif Groop, Carin Gustavsson
No abstract text is available yet for this article.
May 3, 2017: Journal of Diabetes and its Complications
https://www.readbyqxmd.com/read/28472676/biotransformation-of-the-mycotoxin-enniatin-b1-in-pigs-a-comparative-in%C3%A2-vitro-and-in%C3%A2-vivo-approach
#9
Lada Ivanova, Silvio Uhlig, Mathias Devreese, Siska Croubels, Christiane Kruse Fæste
Enniatins (ENNs) are hexadepsipeptidic mycotoxins produced by Fusarium species. They occur in mg/kg levels in grain from Northern climate areas. Major ENNs such as ENN B and B1 have shown considerable cytotoxicity in different in vitro test systems. To adequately assess exposure and in vivo toxicity the toxicokinetic properties need to be investigated. The present study describes the metabolism of ENN B1 both in vitro and in vivo in pigs, comparing metabolites found in vitro in experiments with liver microsomes from different pig strains to those found in the plasma of pigs after single oral or intravenous application of ENN B1...
May 2, 2017: Food and Chemical Toxicology
https://www.readbyqxmd.com/read/28472070/increased-seroreactivity-to-proinsulin-and-homologous-mycobacterial-peptides-in-latent-autoimmune-diabetes-in-adults
#10
Magdalena Niegowska, Alessandro Delitala, Giovanni Mario Pes, Giuseppe Delitala, Leonardo A Sechi
Latent Autoimmune Diabetes in Adults (LADA) is a slowly progressing form of immune-mediated diabetes that combines phenotypical features of type 2 diabetes (T2D) with the presence of islet cell antigens detected in type 1 diabetes (T1D). Heterogeneous clinical picture have led to the classification of patients based on the levels of antibodies against glutamic acid decarboxylase 65 (GADA) that correlate with clinical phenotypes closer to T1D or T2D when GADA titers are high or low, respectively. To date, LADA etiology remains elusive despite numerous studies investigating on genetic predisposition and environmental risk factors...
2017: PloS One
https://www.readbyqxmd.com/read/28466315/-type-1-diabetes-lada-double-diabetes-differential-diagnosis-and-therapy
#11
REVIEW
Michael Hummel, Martin Füchtenbusch
No abstract text is available yet for this article.
May 2017: MMW Fortschritte der Medizin
https://www.readbyqxmd.com/read/28464557/non-invasive-diagnostic-system-and-its-opto-mechanical-probe-for-combining-confocal-raman-spectroscopy-and-optical-coherence-tomography
#12
Jan Klemes, Adela Kotzianova, Marek Pokorny, Peter Mojzes, Jindrich Novak, Lada Sukova, Jaroslav Demuth, Jaroslav Vesely, Ladislav Sasek, Vladimir Velebny
Non-invasive optical diagnostic methods allow important information about studied systems to be obtained in a non-destructive way. Complete diagnosis requires information about the chemical composition as well as the morphological structure of a sample. We report on the development of an opto-mechanical probe that combines Raman spectroscopy (RS) and optical coherence tomography (OCT), two methods that provide all the crucial information needed for a non-invasive diagnosis. The aim of this paper is to introduce the technical design, construction and optimization of a dual opto-mechanical probe combining two in-house developed devices for confocal RS and OCT...
May 2, 2017: Journal of Biophotonics
https://www.readbyqxmd.com/read/28455994/molecular-profiling-of-colorectal-pulmonary-metastases-and-primary-tumours-implications-for-targeted-treatment
#13
Sing Yu Moorcraft, Thomas Jones, Brian A Walker, George Ladas, E Kalaitzaki, Lina Yuan, Ruwaida Begum, Zakaria Eltahir, Andrew Wotherspoon, Angeles Montero Fernandez, Larissa S Teixeira Mendes, David Gonzalez de Castro, Sanna Hulkki Wilson, Paula Proszek, Ye Mong To, Eliza Hawkes, Amitesh Roy, David Cunningham, Sheela Rao, David Watkins, Naureen Starling, Anne M Bowcock, Ian Chau
This study aimed to molecularly characterise colorectal pulmonary metastases (PM) and investigate whether their molecular profiles were concordant with those of the primary tumour. Clinical data and archival formalin fixed paraffin embedded tissue samples were retrospectively collected from patients who underwent ≥ 1 pulmonary metastasectomies for colorectal cancer between 1997-2012. Primary tumour and metastatic samples were analysed using a targeted capture sequencing panel of 46 cancer-associated genes...
April 11, 2017: Oncotarget
https://www.readbyqxmd.com/read/28448902/surface-modified-tio2-nanoparticles-with-ascorbic-acid-antioxidant-properties-and-efficiency-against-dna-damage-in-vitro
#14
Vladan Bajić, Biljana Spremo-Potparević, Lada Živković, Andrea Čabarkapa, Jelena Kotur-Stevuljević, Esma Isenović, Dušan Sredojević, Ivana Vukoje, Vesna Lazić, S Phillip Ahrenkiel, Jovan M Nedeljković
The antigenotoxic and antioxidative properties of surface-modified TiO2 nanoparticles (NPs) with ascorbic acid (AA) were compared with those of constituents (free AA and bare TiO2 NPs). Colloids consisting of the TiO2 NPs with anatase crystal structure were prepared by acidic hydrolysis of TiCl4. The synthesized TiO2 NPs were characterized using transmission electron microscopy and X-ray diffraction analysis. The charge transfer (CT) complex formation between surface Ti atoms and AA is indicated by immediate appearance of red color...
April 14, 2017: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/28445848/a-systematic-and-critical-review-on-bioanalytical-method-validation-using-the-example-of-simultaneous-quantitation-of-antidiabetic-agents-in-blood
#15
REVIEW
Mariana Millan Fachi, Letícia Paula Leonart, Letícia Bonancio Cerqueira, Flavia Lada Degaut Pontes, Michel Leandro de Campos, Roberto Pontarolo
A systematic and critical review was conducted on bioanalytical methods validated to quantify combinations of antidiabetic agents in human blood. The aim of this article was to verify how the validation process of bioanalytical methods is performed and the quality of the published records. The validation assays were evaluated according to international guidelines. The main problems in the validation process are pointed out and discussed to help researchers to choose methods that are truly reliable and can be successfully applied for their intended use...
April 13, 2017: Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences
https://www.readbyqxmd.com/read/28441523/carbohydrates-and-gibberellins-relationship-in-potato-tuberization
#16
Hana Ševčíková, Petra Mašková, Danuše Tarkowská, Tomáš Mašek, Helena Lipavská
Potato represents the third most important crop worldwide and therefore to understand regulations of tuber onset is crucial from both theoretical and practical points of view. Photosynthesis and related carbohydrate status along with phytohormone balance belong to the essential factors in regulation of plant development including storage organ formation. In our work we used potato (Solanum tuberosum) cv. Lada and its spontaneously tuberizing mutant (ST plants) grown in vitro under low carbohydrate availability (non-inductive conditions)...
April 8, 2017: Journal of Plant Physiology
https://www.readbyqxmd.com/read/28440768/clinical-and-metabolic-profile-of-patients-with-latent-autoimmune-diabetes-in-adults-in-specialized-care-in-madrid
#17
Alfonso Arranz Martín, Edurne Lecumberri Pascual, Miguel Ángel Brito Sanfiel, Víctor Andía Melero, Lia Nattero Chavez, Iván Sánchez López, Gloria Cánovas Molina, Francisco Arrieta Blanco, Noemí González Perez Del Villar
OBJECTIVE: To report the clinical characteristics of patients with latent autoimmune diabetes in adults (LADA), and to ascertain their metabolic control and associated chronic complications. METHODS: Patients with DM attending specialized medical care in Madrid who met the following criteria: age at diagnosis of DM >30years, initial insulin independence for at least 6months and positive GAD antibodies were enrolled. Clinical profiles, data on LADA diagnosis, associated autoimmunity, C-peptide levels, therapeutic regimen, metabolic control, and presence of chronic complications were analyzed...
January 2017: Endocrinol Diabetes Nutr
https://www.readbyqxmd.com/read/28438156/relative-contribution-of-type-1-and-type-2-diabetes-loci-to-the-genetic-etiology-of-adult-onset-non-insulin-requiring-autoimmune-diabetes
#18
Rajashree Mishra, Alessandra Chesi, Diana L Cousminer, Mohammad I Hawa, Jonathan P Bradfield, Kenyaita M Hodge, Vanessa C Guy, Hakon Hakonarson, Didac Mauricio, Nanette C Schloot, Knud B Yderstræde, Benjamin F Voight, Stanley Schwartz, Bernhard O Boehm, Richard David Leslie, Struan F A Grant
BACKGROUND: In adulthood, autoimmune diabetes can present as non-insulin-requiring diabetes, termed as 'latent autoimmune diabetes in adults' (LADA). In this study, we investigated established type 1 diabetes (T1D) and type 2 diabetes (T2D) genetic loci in a large cohort of LADA cases to assess where LADA is situated relative to these two well-characterized, classic forms of diabetes. METHODS: We tested the association of T1D and T2D GWAS-implicated loci in 978 LADA cases and 1057 non-diabetic controls of European ancestry using a linear mixed model...
April 25, 2017: BMC Medicine
https://www.readbyqxmd.com/read/28414668/autoimmune-diabetes-presented-with-diabetic-ketoacidosis-induced-by-immunotherapy-in-an-adult-with-melanoma
#19
A A Alzenaidi, J Dendy, L Rejjal
INTRODUCTION: Immunotherapy has been approved for treatment of melanoma. Autoimmune endocrinopathies have been reported in trials involving immunotherapy but autoimmune diabetes has not been definitively linked to them. Here we describe a case of autoimmune diabetes presenting with DKA after receiving combined immunotherapy with anti-CTLA4 and anti-PD1 monoclonal antibodies. CASE: A 47year old gentleman with metastatic melanoma presented to our institution with confusion, abdominal pain and decreased oral intake...
March 2017: Journal of the Louisiana State Medical Society: Official Organ of the Louisiana State Medical Society
https://www.readbyqxmd.com/read/28414330/hiv-persistence-in-tissue-macrophages-of-humanized-myeloid-only-mice-during-antiretroviral-therapy
#20
Jenna B Honeycutt, William O Thayer, Caroline E Baker, Ruy M Ribeiro, Steven M Lada, Youfang Cao, Rachel A Cleary, Michael G Hudgens, Douglas D Richman, J Victor Garcia
Despite years of fully suppressive antiretroviral therapy (ART), HIV persists in its hosts and is never eradicated. One major barrier to eradication is that the virus infects multiple cell types that may individually contribute to HIV persistence. Tissue macrophages are critical contributors to HIV pathogenesis; however, their specific role in HIV persistence during long-term suppressive ART has not been established. Using humanized myeloid-only mice (MoM), we demonstrate that HIV infection of tissue macrophages is rapidly suppressed by ART, as reflected by a rapid drop in plasma viral load and a dramatic decrease in the levels of cell-associated viral RNA and DNA...
May 2017: Nature Medicine
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