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https://www.readbyqxmd.com/read/28526919/antibodies-to-post-translationally-modified-insulin-as-a-novel-biomarker-for-prediction-of-type-1-diabetes-in-children
#1
Rocky Strollo, Chiara Vinci, Nicola Napoli, Paolo Pozzilli, Johnny Ludvigsson, Ahuva Nissim
AIMS/HYPOTHESIS: We have shown that autoimmunity to insulin in type 1 diabetes may result from neoepitopes induced by oxidative post-translational modifications (oxPTM). Antibodies specific to oxPTM-insulin (oxPTM-INS-Ab) are present in most newly diagnosed individuals with type 1 diabetes and are more common than autoantibodies to native insulin. In this study, we investigated whether oxPTM-INS-Ab are present before clinical onset of type 1 diabetes, and evaluated the ability of oxPTM-INS-Ab to identify children progressing to type 1 diabetes...
May 20, 2017: Diabetologia
https://www.readbyqxmd.com/read/28503176/impact-of-autoantibodies-against-glycolytic-enzymes-on-pathogenicity-of-autoimmune-retinopathy-and-other-autoimmune-disorders
#2
REVIEW
Grazyna Adamus
Autoantibodies (AAbs) against glycolytic enzymes: aldolase, α-enolase, glyceraldehyde-3-phosphate dehydrogenase, and pyruvate kinase are prevalent in sera of patients with blinding retinal diseases, such as paraneoplastic [cancer-associated retinopathy (CAR)] and non-paraneoplastic autoimmune retinopathies, as well as in many other autoimmune diseases. CAR is a degenerative disease of the retina characterized by sudden vision loss in patients with cancer and serum anti-retinal AAbs. In this review, we discuss the widespread serum presence of anti-glycolytic enzyme AAbs and their significance in autoimmune diseases...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28432850/a-detailed-experimental-study-of-a-dna-computer-with-two-endonucleases
#3
Sebastian Sakowski, Tadeusz Krasiński, Joanna Sarnik, Janusz Blasiak, Jacek Waldmajer, Tomasz Poplawski
Great advances in biotechnology have allowed the construction of a computer from DNA. One of the proposed solutions is a biomolecular finite automaton, a simple two-state DNA computer without memory, which was presented by Ehud Shapiro's group at the Weizmann Institute of Science. The main problem with this computer, in which biomolecules carry out logical operations, is its complexity - increasing the number of states of biomolecular automata. In this study, we constructed (in laboratory conditions) a six-state DNA computer that uses two endonucleases (e...
April 22, 2017: Zeitschrift Für Naturforschung. C, A Journal of Biosciences
https://www.readbyqxmd.com/read/28428295/multiple-genome-sequences-of-heteropolysaccharide-forming-acetic-acid-bacteria
#4
Julia U Brandt, Frank Jakob, Andreas J Geissler, Jürgen Behr, Rudi F Vogel
We report here the complete genome sequences of the acetic acid bacteria (AAB) Acetobacter aceti TMW 2.1153, A. persici TMW 2.1084, and Neoasaia chiangmaiensis NBRC 101099, which secrete biotechnologically relevant heteropolysaccharides (HePSs) into their environments. Upon genome sequencing of these AAB strains, the corresponding HePS biosynthesis pathways were identified.
April 20, 2017: Genome Announcements
https://www.readbyqxmd.com/read/28407273/comorbidity-of-chronic-spontaneous-urticaria-and-autoimmune-thyroid-diseases-a-systematic-review
#5
REVIEW
Pavel Kolkhir, Martin Metz, Sabine Altrichter, Marcus Maurer
Chronic spontaneous urticaria (CSU) patients are widely held to often have other autoimmune disorders, including autoimmune thyroid disease. Here, we systematically evaluated the literature on the prevalence of thyroid autoimmunity in CSU and vice versa. There is a strong link between CSU and elevated levels of IgG anti-thyroid autoantibodies (AAbs), with most of a large number of studies reporting rates of ≥10%. Levels of IgG against thyroid peroxidase (TPO) are more often elevated in CSU than those of other IgG anti-thyroid AAbs (strong evidence)...
April 13, 2017: Allergy
https://www.readbyqxmd.com/read/28406061/effect-of-packing-material-on-organic-matter-removal-efficiency-in-an-anaerobic-aerobic-baffled-bioreactor
#6
Jacobo Tabla-Hernandez, E Lopez-Galvan
The aim of the present work was to study the effect of packing material on the organic matter removal efficiency (OMRE) in an anaerobic-aerobic baffled bioreactor (AAB). For this purpose, two different experiments were conducted with two types of packing material: activated carbon particles (AC) and polyurethane foam (PF). The system consisted of two treatments; the first one was anaerobic, where it took place hydrolysis, acetogenesis and methanogenesis. In anaerobic chambers, there were no packing material and the operating conditions were the same in both experiments...
April 13, 2017: Environmental Technology
https://www.readbyqxmd.com/read/28375232/wind-profiling-for-a-coherent-wind-doppler-lidar-by-an-auto-adaptive-background-subtraction-approach
#7
Yanwei Wu, Pan Guo, Siying Chen, He Chen, Yinchao Zhang
Auto-adaptive background subtraction (AABS) is proposed as a denoising method for data processing of the coherent Doppler lidar (CDL). The method is proposed specifically for a low-signal-to-noise-ratio regime, in which the drifting power spectral density of CDL data occurs. Unlike the periodogram maximum (PM) and adaptive iteratively reweighted penalized least squares (airPLS), the proposed method presents reliable peaks and is thus advantageous in identifying peak locations. According to the analysis results of simulated and actually measured data, the proposed method outperforms the airPLS method and the PM algorithm in the furthest detectable range...
April 1, 2017: Applied Optics
https://www.readbyqxmd.com/read/28325643/alpha-cells-the-main-source-of-il-1%C3%AE-in-human-pancreas
#8
Florence Anquetil, Somayeh Sabouri, Charles Thivolet, Teresa Rodriguez-Calvo, Jose Zapardiel-Gonzalo, Natalie Amirian, Darius Schneider, Ericka Castillo, Yasaman Lajevardi, Matthias G von Herrath
Interleukin-1β (IL-1β) is known to trigger beta cell dysfunction in vitro and could potentially play a role during the pathogenesis of type 1 diabetes and type 2 diabetes. However, several clinical trials attempting to block IL-1β function have had minimal success. We therefore re-investigated local expression of IL-1β in human diabetic and non-diabetic pancreata. We obtained pancreatic tissue sections from the Network for Pancreatic Organ Donors with Diabetes (nPOD) including non-diabetic (n = 9), non-diabetic auto-antibody positive (AAb+, n = 5), type 1 diabetes (n = 6), and type 2 diabetes (n = 6) donors...
March 18, 2017: Journal of Autoimmunity
https://www.readbyqxmd.com/read/28290848/-autoimmunity-and-prognosis-of-patients-with-morphologically-documented-myocarditis
#9
D A Khashchevskaya, L B Mitrofanova, E A Belyakova, O V Beschuk, D A Zverev, D S Lebedev, O M Moiseeva
AIM: to assess clinical and prognostic value of circulating cardiospecific autoantibodies (AAB) and CD4+ T-regulatory cells in patients with myocarditis. MATERIAL AND METHODS: We included into this study 47 patients with lymphocytic myocarditis verified by analysis of histological and immunohistochemical data. Comparison group consisted of 30 practically healthy persons. Content of marker cardiotropic AAT were measured with the help of standardized immune enzyme test-systems...
June 2016: Kardiologiia
https://www.readbyqxmd.com/read/28277720/artificial-grammar-learning-in-tamarins-saguinus-oedipus-in-varying-stimulus-contexts
#10
Julie J Neiworth, Justin M London, Michael J Flynn, Deborah D Rupert, Owen Alldritt, Caleb Hyde
The human ability to detect regularities in sound sequences is a fundamental substrate of our language faculty. However, is this an ability exclusive to human language processing, or have we usurped a more general learning mechanism for this purpose, one shared with other species? The current study is an attempt to replicate and extend Hauser, Weiss, and Marcus's (2002) retracted study (2010) of artificial grammar learning in tamarins to determine if tamarins can detect an underlying grammatical structure in a pattern of sounds...
May 2017: Journal of Comparative Psychology
https://www.readbyqxmd.com/read/28277014/-you-are-labelled-by-your-children-s-disability-a-community-based-participatory-study-of-stigma-among-somali-parents-of-children-with-autism-living-in-the-united-kingdom
#11
Lucy Ellen Selman, Fiona Fox, Nura Aabe, Katrina Turner, Dheeraj Rai, Sabi Redwood
OBJECTIVES: Social stigma is commonly experienced by parents of children with autism. Our aim was to understand the nature of stigma experienced by Somali parents of children with autism in the United Kingdom (UK), and to consider how they coped with or resisted such stigma. DESIGN: We used a community-based participatory research approach, collaborating with a community organisation of Somali parents. In-depth interviews with simultaneous translation were conducted with 15 Somali parents of children with autism living in Bristol, UK, in 2015...
March 2, 2017: Ethnicity & Health
https://www.readbyqxmd.com/read/28276515/mri-assessment-of-cardiomyopathy-induced-by-%C3%AE-1-adrenoreceptor-autoantibodies-and-protection-through-%C3%AE-3-adrenoreceptor-overexpression
#12
Laetitia Vanhoutte, Céline Guilbaud, Ruben Martherus, Caroline Bouzin, Bernard Gallez, Chantal Dessy, Jean-Luc Balligand, Stéphane Moniotte, Olivier Feron
The cardiopathogenic role of autoantibodies (aabs) directed against β1-adrenoreceptors (β1-AR) is well established. In mouse models, they cause progressive dilated cardiomyopathy (DCM) whose characterization with echocardiography requires prolonged protocols with numerous animals, complicating the evaluation of new treatments. Here, we report on the characterization of β1-aabs-induced DCM in mice using 11.7T MRI. C57BL/6J mice (n = 10 per group) were immunized against the β1-AR and left ventricular (LV) systolic function was assessed at 10, 18 and 27 weeks...
March 9, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28272216/nonorgan-specific-autoantibodies-in-hiv-infected-patients-in-the-haart-era
#13
Laura Iordache, Djaouida Bengoufa, Olivier Taulera, Agathe Rami, Caroline Lascoux-Combe, Nesrine Day, Maguy Parrinello, Pierre-Olivier Sellier, Jean-Michel Molina, Alfred Mahr
Nonorgan-specific autoantibodies (AAbs) are used for diagnosing autoimmune diseases but can also be detected in other conditions. We carried out a cross-sectional study with the aim to screen HIV1-infected patients in the era of highly active antiretroviral therapy (HAART) for AAbs and to analyze the association of their presence with hypergammaglobulinemia and immunovirological status.Blood samples from HIV1-infected patients without major concomitant illnesses followed in 2 hospitals in Paris, France were tested for immunovirological status, serum immunoglobulin G (IgG) level, antinuclear antibodies (ANAs), anti-double-stranded DNA (anti-dsDNA), anti-extractable nuclear antigens (anti-ENAs), anticardiolipin (aCL), anti-β2glycoprotein1 (anti-β2GP1), and antineutrophil cytoplasmic antibodies (ANCAs)...
March 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28262783/increased-circulating-%C3%AE-2-adrenergic-receptor-autoantibodies-are-associated-with-smoking-related-emphysema
#14
Jia-Yi Hu, Bei-Bei Liu, Yi-Peng Du, Yuan Zhang, Yi-Wei Zhang, You-Yi Zhang, Ming Xu, Bei He
Smoking is a dominant risk factor for chronic obstructive pulmonary disease (COPD) and emphysema, but not every smoker develops emphysema. Immune responses in smokers vary. Some autoantibodies have been shown to contribute to the development of emphysema in smokers. β2-adrenergic receptors (β2-ARs) are important targets in COPD therapy. β2-adrenergic receptor autoantibodies (β2-AAbs), which may directly affect β2-ARs, were shown to be increased in rats with passive-smoking-induced emphysema in our current preliminary studies...
March 6, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28237188/identification-of-acetic-acid-bacteria-through-matrix-assisted-laser-desorption-ionization-time-of-flight-mass-spectrometry-and-report-of-gluconobacter-nephelii-kommanee-et-al-2011-and-gluconobacter-uchimurae-tanasupawat-et-al-2012-as-later-heterotypic-synonyms
#15
Leilei Li, Ilse Cleenwerck, Luc De Vuyst, Peter Vandamme
The classification and identification of acetic acid bacteria (AAB) underwent much change during the last two decades. However, several closely related AAB species are difficult to differentiate and rapid and correct species level identification remains challenging. In the present study, 281 well-characterized AAB strains representing AAB species of the family Acetobacteraceae were used to construct a matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOF MS) identification database...
April 2017: Systematic and Applied Microbiology
https://www.readbyqxmd.com/read/28191285/autoantibodies-against-oncogenic-erg-protein-in-prostate-cancer-potential-use-in-diagnosis-and-prognosis-in-a-panel-with-c-myc-amacr-and-herv-k-gag
#16
Anshu Rastogi, Amina Ali, Shyh-Han Tan, Sreedatta Banerjee, Yongmei Chen, Jennifer Cullen, Charles P Xavier, Ahmed A Mohamed, Lakshmi Ravindranath, Jigisha Srivastav, Denise Young, Isabell A Sesterhenn, Jacob Kagan, Sudhir Srivastava, David G McLeod, Inger L Rosner, Gyorgy Petrovics, Albert Dobi, Shiv Srivastava, Alagarsamy Srinivasan
Overdiagnosis and overtreatment of prostate cancer (CaP) is attributable to widespread reliance on PSA screening in the US. This has prompted us and others to search for improved biomarkers for CaP, to facilitate early detection and disease stratification. In this regard, autoantibodies (AAbs) against tumor antigens could serve as potential candidates for diagnosis and prognosis of CaP. Towards this, our goals were: i) To investigate whether AAbs against ERG oncoprotein (overexpressed in 25-50% of Caucasian American and African American CaP) are present in the sera of CaP patients; ii) To evaluate an AAb panel to enhance CaP detection...
November 2016: Genes & Cancer
https://www.readbyqxmd.com/read/28190808/quantification-of-triacylglycerol-molecular-species-in-edible-fats-and-oils-by-gas-chromatographyflame-ionization-detector-using-correction-factors
#17
Kazuaki Yoshinaga, Junji Obi, Toshiharu Nagai, Hiroyuki Iioka, Akihiko Yoshida, Fumiaki Beppu, Naohiro Gotoh
In the present study, the resolution parameters and correction factors (CFs) of triacylglycerol (TAG) standards were estimated by gas chromatography-flame ionization detector (GC-FID) to achieve the precise quantification of the TAG composition in edible fats and oils. Forty seven TAG standards comprising capric acid, lauric acid, myristic acid, pentadecanoic acid, palmitic acid, palmitoleic acid, stearic acid, oleic acid, linoleic acid, and/or linolenic acid were analyzed, and the CFs of these TAGs were obtained against tripentadecanoyl glycerol as the internal standard...
February 10, 2017: Journal of Oleo Science
https://www.readbyqxmd.com/read/28190713/transient-atrial-fibrillation-after-open-abdominal-aortic-revascularization-surgery-is-associated-with-increased-length-of-stay-mortality-and-readmission-rates
#18
Barbara A Blanco, Anai N Kothari, Pegge M Halandras, Robert H Blackwell, Dawn M Graunke, Paul C Kuo, Jae S Cho
BACKGROUND: It is well established that transient postoperative atrial fibrillation (TPAF) is associated with adverse postoperative outcomes after major cardiac and noncardiac operations. The purpose of this study was to elucidate the incidence, impact, and risk factors associated with the development of TPAF in patients undergoing revascularization surgery for occlusive diseases of the abdominal aorta and its branches (AAB). METHODS: By use of the Healthcare Cost and Utilization Project State Inpatient Database from Florida and California, patients who underwent open revascularization of AAB between 2006 and 2011 were identified...
February 9, 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28187326/effect-of-chitosan-and-so2-on-viability-of-acetobacter-strains-in-wine
#19
Maria José Valera, Florencia Sainz, Albert Mas, María Jesús Torija
Wine spoilage is an important concern for winemakers to preserve the quality of their final product and avoid contamination throughout the production process. The use of sulphur dioxide (SO2) is highly recommended to prevent wine spoilage due to its antimicrobial activity. However, SO2 has a limited effect on the viability of acetic acid bacteria (AAB). Currently, the use of SO2 alternatives is favoured in order to reduce the use of chemicals and improve stabilization in winemaking. Chitosan is a biopolymer that is approved by the European authorities and the International Organization of Vine and Wine to be used as a fining agent and antimicrobial in wines...
February 1, 2017: International Journal of Food Microbiology
https://www.readbyqxmd.com/read/28178782/formation-of-aab-type-collagen-heterotrimers-from-designed-cationic-and-aromatic-collagen-mimetic-peptides-evaluation-of-the-c-terminal-cation-%C3%AF-interactions
#20
Chu-Harn Chiang, Yi-Hsuan Fu, Jia-Cherng Horng
Most of natural collagens are heterotrimers composed of two (AAB) or three (ABC) different peptide chains, and thus heterotrimeric constructs are preferable to mimic natural collagens. Exploring the forces to assemble synthetic collagen-mimetic peptides (CMPs) into heterotrimers has been an attractive topic in preparing collagen-related biomaterials. Here we designed and synthesized two cationic CMPs (CR and CK) in which multiple Arg or Lys residues are installed in their C-terminal region, and one aromatic CMP (CF) whose C-terminal end contains multiple Phe residues...
March 13, 2017: Biomacromolecules
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