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James H Cole, Tiina Annus, Liam R Wilson, Ridhaa Remtulla, Young T Hong, Tim D Fryer, Julio Acosta-Cabronero, Arturo Cardenas-Blanco, Robert Smith, David K Menon, Shahid H Zaman, Peter J Nestor, Anthony J Holland
Individuals with Down syndrome (DS) are more likely to experience earlier onset of multiple facets of physiological aging. This includes brain atrophy, beta amyloid deposition, cognitive decline, and Alzheimer's disease-factors indicative of brain aging. Here, we employed a machine learning approach, using structural neuroimaging data to predict age (i.e., brain-predicted age) in people with DS (N = 46) and typically developing controls (N = 30). Chronological age was then subtracted from brain-predicted age to generate a brain-predicted age difference (brain-PAD) score...
April 18, 2017: Neurobiology of Aging
Tiina Annus, Liam R Wilson, Julio Acosta-Cabronero, Arturo Cardenas-Blanco, Young T Hong, Tim D Fryer, Jonathan P Coles, David K Menon, Shahid H Zaman, Anthony J Holland, Peter J Nestor
People with Down syndrome (DS) have a neurodevelopmentally distinct brain and invariably developed amyloid neuropathology by age 50. This cross-sectional study aimed to provide a detailed account of DS brain morphology and the changes occuring with amyloid neuropathology. Forty-six adults with DS underwent structural and amyloid imaging-the latter using Pittsburgh compound B (PIB) to stratify the cohort into PIB-positive (n = 19) and PIB-negative (n = 27). Age-matched controls (n = 30) underwent structural imaging...
May 2017: Neurobiology of Aging
Annamária Juhász, Zsuzsanna Aschermann, Péter Ács, József Janszky, Márton Kovács, Attila Makkos, Márk Harmat, Dalma Tényi, Kázmér Karádi, Sámuel Komoly, Annamária Takáts, Adrián Tóth, Helga Nagy, Péter Klivényi, György Dibó, Lívia Dézsi, Dénes Zádori, Ádám Annus, László Vécsei, Lajos Varannai, Norbert Kovács
BACKGROUND: Levodopa/carbidopa intestinal gel therapy (LCIG) can efficiently improve several motor and non-motor symptoms of advanced Parkinson's disease (PD). The recently developed Movement Disorder Society-sponsored Unified Parkinson's Disease Rating Scale (MDS-UPDRS) improved the original UPDRS making it a more robust tool to evaluate therapeutic changes. However, previous studies have not used the MDS-UPDRS and the Unified Dyskinesia Rating Scale (UDysRS) to assess the efficacy of LCIG...
February 3, 2017: Parkinsonism & related Disorders
Ádám Annus, László Vécsei
Parkinson's disease (PD) is a progressive, chronic, neurodegenerative disease characterized by rigidity, tremor, bradykinesia and postural instability secondary to dopaminergic deficit in the nigrostriatal system. Currently, disease-modifying therapies are not available, and levodopa (LD) treatment remains the gold standard for controlling motor and nonmotor symptoms of the disease. LD is extensively and rapidly metabolized by peripheral enzymes, namely, aromatic amino acid decarboxylase and catechol-O-methyltransferase (COMT)...
2017: Drug Design, Development and Therapy
Zsófia Majláth, Ádám Annus, László Vécsei
Multiple sclerosis is a common chronic, disabling autoimmune neurological disease affecting mainly young adults. In its pathomechanism, neurodegenerative and acute inflammatory characteristics are both involved. Disease-modifying therapies aim to reduce relapse-rate and slow down the deterioration in neurological functions. The currently available therapies fail to exert neuroprotective effects and most of them are associated with potentially toxic side-effects, therefore, ongoing research aims to develop novel drug candidates to cover these therapeutic gaps...
December 23, 2016: Current Drug Targets
Paulo S A de Souza, Alexandre A Cerqueira, Michelle M Rigo, Julieta L de Paiva, Rafael S P Couto, Fábio Merçon, Daniel V Perez, Monica R C Marques
This study aims to evaluate the effects of oilfield water (OW), treated by a hybrid process of electrocoagulation and reverse osmosis (EC-RO), on seed germination and early growth characteristics of sunflower (Heliantus annus L.). In the EC step, tests were conducted with 28.6 A m(-2) current density and 4 min. reaction time. In the RO step, the system was operated with 1 L min(-1) constant flow and 2 MPa, 2.5 MPa and 3 MPa feed pressures. In all feed pressures, RO polymeric membranes achieved very high removals of chemical oxygen demand (up to 89%) and oils and greases (100%) from EC-treated effluent...
May 2017: Environmental Technology
Carlo Selmi
Compared to the clear trend observed in previous years, the number of peer-reviewed articles published during 2015 and retrieved using the "autoimmunity" key word declined by 4 %, while remaining 5 % of immunology articles. On the other hand, a more detailed analysis of the published articles in leading immunology and autoimmunity journals revealed exciting scenarios, with fascinating lines of evidence being supported by convincing data and likely followed by rapid translational or clinical developments. As examples, the study of the microbiome, the development of new serum or other tissue biomarkers, and a more solid understanding of disease pathogenesis and tolerance breakdown mechanisms have been central issues in the past year...
August 2016: Clinical Reviews in Allergy & Immunology
Pedro Alves da Rocha-Filho, Mônica Maruno, Márcio Ferrari, José Fernando Topan
The Brazilian biodiversity offers a multiplicity of raw materials with great potential in cosmetics industry applications. Some vegetable oils and fatty esters increase skin hydration by occlusivity, keeping the skin hydrated and with a shiny appearance. Sunflower (Helianthus annus L.) oil is widely employed in cosmetic emulsions in the form of soaps, creams, moisturizers and skin cleansers due to the presence of polyphenols and its high vitamin E content. Liquid crystals are systems with many applications in both pharmaceutical and cosmetic formulations and are easily detected by microscopy under polarized light due to their birefringence properties...
June 9, 2016: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
Zoltán Szakács, Ágnes Ádám, János Kristóf Annus, Dalma Csatlós, Andrea László, László Kalabay, Péter Torzsa
Obstructive sleep apnea is the most frequent sleep-disordered breathing. The prevalence of sleep apnea in the general population is 2-4% and the main characteristics of the disease are the intermittent cessation or substantial reduction of airflow during sleep, which is caused by complete, or near complete upper airway obstruction. Decreased airflow is followed by oxygen desaturation and intermittent arousals. Untreated patients are 4-6 times more likely to cause traffic accidents than their healthy counterparts...
June 5, 2016: Orvosi Hetilap
A Krivoshei, H Uuetoa, M Min, P Annus, T Uuetoa, J Lamp
The paper presents analysis of the generic transfer function (TF) between Electrical Bioimpedance (EBI) measured non-invasively on the wrist and Central Aortic Pressure (CAP) invasively measured at the aortic root. Influence of the Heart Rate (HR) variations on the generic TF and on reconstructed CAP waveforms is investigated. The HR variation analysis is provided on a single patient data to exclude inter-patient influences at the current research stage. A new approach for the generic TF estimating from a data ensemble is presented as well...
August 2015: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
Tiina Annus, Liam R Wilson, Young T Hong, Julio Acosta-Cabronero, Tim D Fryer, Arturo Cardenas-Blanco, Robert Smith, Istvan Boros, Jonathan P Coles, Franklin I Aigbirhio, David K Menon, Shahid H Zaman, Peter J Nestor, Anthony J Holland
INTRODUCTION: Adults with Down syndrome (DS) invariably develop Alzheimer's disease (AD) neuropathology. Understanding amyloid deposition in DS can yield crucial information about disease pathogenesis. METHODS: Forty-nine adults with DS aged 25-65 underwent positron emission tomography with Pittsburgh compound-B (PIB). Regional PIB binding was assessed with respect to age, clinical, and cognitive status. RESULTS: Abnormal PIB binding became evident from 39 years, first in striatum followed by rostral prefrontal-cingulo-parietal regions, then caudal frontal, rostral temporal, primary sensorimotor and occipital, and finally parahippocampal cortex, thalamus, and amygdala...
May 2016: Alzheimer's & Dementia: the Journal of the Alzheimer's Association
Carlo Selmi
Our PubMed search for peer-reviewed articles published in the 2014 solar year retrieved a significantly higher number of hits compared to 2013 with a net 28 % increase. Importantly, full articles related to autoimmunity constitute approximately 5 % of immunology articles. We confirm that our understanding of autoimmunity is becoming a translational paradigm with pathogenetic elements rapidly followed by new treatment options. Furthermore, numerous clinical and pathogenetic elements and features are shared among autoimmune diseases, and this is well illustrated in the recent literature...
October 2015: Clinical Reviews in Allergy & Immunology
Imelda Marton, Éva Pósfai, János Kristóf Annus, Zita Borbényi, Attila Nemes, László Vecsei, Erika Vörös
INTRODUCTION: The FIP1L1-PDGFR alpha-positive, hypereosinophilic syndrome (HES) is a new category of hematological entities. Various clinical symptoms may occur, with no specific characteristics in either the clinical picture or the neuroimaging findings, and this may give rise to a diagnostic dilemma. A report on a long follow-up period (10 years) in a case of HES that presented with neuropsychiatric symptoms appears to be unique. Besides the complexity of the diagnostic process, the successful treatment is discussed...
May 30, 2015: Ideggyógyászati Szemle
D Manimanjari, M Srinivasa Rao, P Swathi, C A Rama Rao, M Vanaja, M Maheswari
Predicted increase in temperature and atmospheric CO2 concentration will influence the growth of crop plants and phytophagous insects. The present study, conducted at the Central Research Institute for Dryland Agriculture, Hyderabad, India, aimed at (1) construction of life tables at six constant temperatures viz., 20, 25, 27, 30, 33, and 35 ± 0.5 °C for Spodoptera litura (Fabricius) (Noctuidae: Lepidoptera) reared on sunflower (Helianthus annus L.) grown under ambient and elevated CO2 (eCO2) (550 ppm) concentration in open top chambers and (2) prediction of the pest status in near future (NF) and distant future (DF) climate change scenarios at major sunflower growing locations of India...
2014: Journal of Insect Science
V Laudadio, E Ceci, N M B Lastella, V Tufarelli
The present study was designed to determine the effect on laying performance and egg quality resulting from total substitution of soybean meal (SBM) with low-fiber sunflower meal (SFM; Helianthus annus L.) meal in diet of hens. ISA Brown layers, 28 wk of age, were randomly allocated to 2 dietary treatments and fed for 10 wk. The hens were kept in a free-range environment and fed 2 wheat middling-based diets consisting of a control diet, which contained SBM (153 g/kg of diet), and a test diet containing low-fiber SFM (160 g/kg of diet) as the main protein source...
November 2014: Poultry Science
Krista Ress, Kaupo Teesalu, Triine Annus, Urve Putnik, Kristi Lepik, Katrin Luts, Oivi Uibo, Raivo Uibo
BACKGROUND: Atopic dermatitis (AD) is a multifactorial chronic inflammatory skin disease presenting with a relapsing clinical pattern similar to chronic autoimmune disease. Several human transglutaminases have been defined and keratinocyte transglutaminase (TG1) and epidermal transglutaminase (TG3) expressed in the epidermis are associated with epidermal barrier dysfunction. Since impairments to the epidermal barrier represent an important factor in AD, we hypothesized that IgA autoantibodies specific for TG1 (IgA-anti-TG1) and TG3 (IgA-anti-TG3) may affect AD development during childhood...
2014: BMC Research Notes
Jaan Ojarand, Mart Min, Paul Annus
The multisine excitation is widely used in impedance measurements to retain the advantages of the sine wave, while reducing the measurement time. Adding up sine waves increases the amplitude of the excitation signal, but, for the linearity assumption to be valid, the overall amplitude of the signal needs to be kept low. Thus, the crest factor (CF) of the excitation signal must be minimized. A novel empirical method for the minimization of the CF is described in this paper. As in the case of other known methods, the computed CF may be guaranteed to be only a local minimum...
June 2014: Physiological Measurement
Krista Ress, Triine Annus, Urve Putnik, Katrin Luts, Raivo Uibo, Oivi Uibo
Celiac disease (CD) is an autoimmune disorder of the small intestine with highly variable clinical presentation and frequently associated with various immune-mediated diseases. Among these immune-mediated diseases, atopy has been found frequently in individuals with CD. We aimed to study the prevalence of CD in Estonian children with atopic dermatitis (AD), a common multifactorial chronic inflammatory skin disease. We recruited 351 consecutive children with active AD (mean age 5.8 yrs, 57.6% boys) at Tallinn Children's Hospital, Estonia...
July 2014: Pediatric Dermatology
Mustafa Sengul, Cağrı Ergin, Tuğba Kartal
Cryptococcus neofomans is an encapsulated yeast-like fungus that causes life-threatening infections, especially in immunosuppresive patients. C.neoformans infection is believed to be acquired via inhalation of aerosolized particles from the environment. Avian guano, decaying tree hollows and soil are the related known environmental niches. Brown pigmented yeast growth from the precursors in growth media is an important step for the identification and isolation of C.neoformans. Seeds of plants in nature are preferred owing to easy accessibility and low costs for the preparation of such media...
April 2014: Mikrobiyoloji Bülteni
Krista Ress, Kaja Metsküla, Triine Annus, Urve Putnik, Kristi Lepik, Katrin Luts, Oivi Uibo, Raivo Uibo
BACKGROUND: Atopic dermatitis (AD) is a chronic inflammatory skin disease that can be classified into an extrinsic or intrinsic type. A high percentage of patients, especially adults with the extrinsic type of AD, have been reported to show antibodies to antinuclear proteins (ANA). We aimed to study the prevalence of ANA in children with AD and to evaluate clinical differences between patients with ANA-positive and ANA-negative AD. METHODS: A total 346 serum samples from children with active AD (mean age 5...
January 2015: International Journal of Dermatology
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