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Hye Won Lee, Jun Yong Park, Beom Kyung Kim, Moon Young Kim, Jung Il Lee, Young Suk Kim, Ki Tae Yoon, Kwang-Hyub Han, Sang Hoon Ahn
Background/Aims: It remains to be determined whether switching from adefovir (ADV) to tenofovir (TDF) provides better virological outcomes in patients exhibiting suboptimal responses to ADV plus nucleoside analogue (ADV+NA) therapy for NA-resistant chronic hepatitis B (CHB). Methods: In this prospective trial, patients who showed partial responses (defined as serum hepatitis B virus [HBV] DNA >60 IU/mL) to ADV+NA therapy for NA resistance were randomly allocated to receive TDF plus NA (TDF+NA group, n=16) or to continue their current therapy (ADV+NA group, n=16)...
November 25, 2016: Clinical and Molecular Hepatology
Sandeep Shankar, T S Ahluwalia, V S Gurunadh, Alok Sati
No abstract text is available yet for this article.
October 2016: Medical Journal, Armed Forces India
Pascal Sati, Jiwon Oh, R Todd Constable, Nikos Evangelou, Charles R G Guttmann, Roland G Henry, Eric C Klawiter, Caterina Mainero, Luca Massacesi, Henry McFarland, Flavia Nelson, Daniel Ontaneda, Alexander Rauscher, William D Rooney, Amal P R Samaraweera, Russell T Shinohara, Raymond A Sobel, Andrew J Solomon, Constantina A Treaba, Jens Wuerfel, Robert Zivadinov, Nancy L Sicotte, Daniel Pelletier, Daniel S Reich
Over the past few years, MRI has become an indispensable tool for diagnosing multiple sclerosis (MS). However, the current MRI criteria for MS diagnosis have imperfect sensitivity and specificity. The central vein sign (CVS) has recently been proposed as a novel MRI biomarker to improve the accuracy and speed of MS diagnosis. Evidence indicates that the presence of the CVS in individual lesions can accurately differentiate MS from other diseases that mimic this condition. However, the predictive value of the CVS for the development of clinical MS in patients with suspected demyelinating disease is still unknown...
November 11, 2016: Nature Reviews. Neurology
Michele Varvara, Giancarlo Bozzo, Giuseppe Celano, Chiara Disanto, Cosimo Nicola Pagliarone, Gaetano Vitale Celano
Ascorbic acid (C6H8O6) is an organic compound belonging to the family of monosaccharide. It is highly soluble in water, and is often called one of the secrets of the Mediterranean diet. Its use is widespread in the food industry is also important, having always been exploited for its antioxidant and stabilising ability. Many indeed are the additive formulations that take advantage of these properties. The purpose of this paper is to explain the characteristics that make ascorbic acid an important food additive and to emphasise the technical and legal issues related to its use in food productions...
January 18, 2016: Italian Journal of Food Safety
Hua Zhang, Zhen Zhao, Zhen Lei, Zhenxin Wang
The phosphorylation of nucleic acid with 5'-OH termini catalyzed by polynucleotide kinase (PNK) invovles several significant cellular events. Here a paper-based fluorescence assay with λ exonuclease-assistance was reported for facile detection of PNK activity through monitoring the change of fluorescence intensity on paper surface. Cy5-labeled ssDNA was firstly immobilized on the surface of aldehyde group modified paper. And BHQ-labeled ssDNA was then employed to quench the fluorescence of the immobilized Cy5-labeled ssDNA with the help of an adaptor ssDNA...
October 31, 2016: Analytical Chemistry
Pietro Maggi, Pascal Sati, Luca Massacesi
Magnetic resonance imaging (MRI) is an invaluable tool for the diagnosis and monitoring of patients with multiple sclerosis (MS) as well as for the study of the disease pathophysiology. Because of its strong clinical, radiological and histopathological similarities with the human disease, experimental autoimmune encephalomyelitis (EAE) in the common marmoset has been studied more intensively over the past several years. Here, we review the current knowledge on MRI in the marmoset EAE, and we outline the physiopathological significance and translational values of these studies with respect to MS...
October 8, 2016: Journal of Neuroimmunology
Lucas B Moreira, Ítalo B Castro, Marcos A Hortellani, Silvio T Sasaki, Satie Taniguchi, Mônica A V Petti, Gilberto Fillmann, Jorge E S Sarkis, Márcia C Bícego, Leticia V Costa-Lotufo, Denis M S Abessa
Tropical marine environments are rich in biodiversity and the presence of harbor activities in these areas can harm the coastal ecosystems. In this study, we assessed sediment quality of two harbors from a tropical region in Brazil by applying multiple lines-of-evidence approach. This approach included the integration of results on: (1) grain size, organic matter, organic carbon, nitrogen, phosphorus, trace metals, polycyclic aromatic hydrocarbons, linear alkylbenzenes, and tributyltin; (2) acute toxicity of whole sediments and chronic toxicity of liquid phases; and (3) benthic community descriptors...
October 7, 2016: Ecotoxicology and Environmental Safety
Leah H Suttner, Amanda Mejia, Blake Dewey, Pascal Sati, Daniel S Reich, Russell T Shinohara
Diffusion tensor imaging (DTI) has become the predominant modality for studying white matter integrity in multiple sclerosis (MS) and other neurological disorders. Unfortunately, the use of DTI-based biomarkers in large multi-center studies is hindered by systematic biases that confound the study of disease-related changes. Furthermore, the site-to-site variability in multi-center studies is significantly higher for DTI than that for conventional MRI-based markers. In our study, we apply the Quantitative MR Estimation Employing Normalization (QuEEN) model to estimate the four DTI measures: MD, FA, RD, and AD...
2016: NeuroImage: Clinical
Bruce L Rollman, Bea Herbeck Belnap, Sati Mazumdar, Kaleab Z Abebe, Jordan F Karp, Eric J Lenze, Herbert C Schulberg
BACKGROUND: Collaborative care for depression is more effective in improving treatment outcomes than primary care physicians' (PCPs) usual care (UC). However, few trials of collaborative care have targeted anxiety. OBJECTIVE: To examine the impact and 12-month durability of a centralized, telephone-delivered, stepped collaborative care intervention (CC) for treating anxiety disorders across a network of primary care practices. DESIGN: Randomized controlled trial with blinded outcome assessments...
October 6, 2016: Journal of General Internal Medicine
John Cassidy, Ankita Sati Batra, Wendy Greenwood, Alejandra Bruna
Despite remarkable advances in our understanding of the drivers of human malignancies, new targeted therapies often fail to show sufficient efficacy in clinical trials. Indeed, the cost of bringing a new agent to market has risen substantially in the last several decades, in part fuelled by extensive reliance on preclinical models that fail to accurately reflect tumour heterogeneity. In order to halt unsustainable rates of attrition in the drug discovery process we must develop a new generation of preclinical models capable of reflecting the complex heterogeneity found in human cancers...
October 4, 2016: Endocrine-related Cancer
Ana Cecília Rizzatti de Albergaria-Barbosa, Vinicius Faria Patire, Satie Taniguchi, Wellington Silva Fernandez, June Ferraz Dias, Márcia Caruso Bícego
This work aimed to evaluate the use of Mugil curema as a biomonitor for polycyclic aromatic hydrocarbon (PAH) bioavailability. Fish biliary metabolites from low-contaminated (Cananéia) and contaminated (Santos) Brazilian estuaries were analysed using a high-performance liquid chromatography apparatus coupled to fluorescence detectors connected in a series. In the Cananéia and Santos estuaries, total metabolite levels ranged from 0.85 to 34.4μgg(-1) of bile and from 4.06 to 528μgg(-1) of bile, respectively...
September 29, 2016: Marine Pollution Bulletin
Vincent Loubiere, Anna Delest, Aubin Thomas, Boyan Bonev, Bernd Schuettengruber, Satish Sati, Anne-Marie Martinez, Giacomo Cavalli
Polycomb group proteins form two main complexes, PRC2 and PRC1, which generally coregulate their target genes. Here we show that PRC1 components act as neoplastic tumor suppressors independently of PRC2 function. By mapping the distribution of PRC1 components and trimethylation of histone H3 at Lys27 (H3K27me3) across the genome, we identify a large set of genes that acquire PRC1 in the absence of H3K27me3 in Drosophila larval tissues. These genes massively outnumber canonical targets and are mainly involved in the regulation of cell proliferation, signaling and polarity...
September 19, 2016: Nature Genetics
Alejandra Bruna, Oscar M Rueda, Wendy Greenwood, Ankita Sati Batra, Maurizio Callari, Rajbir Nath Batra, Katherine Pogrebniak, Jose Sandoval, John W Cassidy, Ana Tufegdzic-Vidakovic, Stephen-John Sammut, Linda Jones, Elena Provenzano, Richard Baird, Peter Eirew, James Hadfield, Matthew Eldridge, Anne McLaren-Douglas, Andrew Barthorpe, Howard Lightfoot, Mark J O'Connor, Joe Gray, Javier Cortes, Jose Baselga, Elisabetta Marangoni, Alana L Welm, Samuel Aparicio, Violeta Serra, Mathew J Garnett, Carlos Caldas
The inter- and intra-tumor heterogeneity of breast cancer needs to be adequately captured in pre-clinical models. We have created a large collection of breast cancer patient-derived tumor xenografts (PDTXs), in which the morphological and molecular characteristics of the originating tumor are preserved through passaging in the mouse. An integrated platform combining in vivo maintenance of these PDTXs along with short-term cultures of PDTX-derived tumor cells (PDTCs) was optimized. Remarkably, the intra-tumor genomic clonal architecture present in the originating breast cancers was mostly preserved upon serial passaging in xenografts and in short-term cultured PDTCs...
September 22, 2016: Cell
Tatiana K Deveney, Bea Herbeck Belnap, Sati Mazumdar, Bruce L Rollman
OBJECTIVE: An American Heart Association (AHA) Science Advisory recommends patients with coronary heart disease undergo routine screening for depressive symptoms with the two-stage Patient Health Questionnaire (PHQ). However, little is known on the prognostic impact of a positive PHQ screen on heart failure (HF) mortality. METHODS: We screened hospitalized patients with systolic HF (left ventricle ejection fraction≤40%) for depression with the two-item Patient Health Questionnaire (PHQ-2) and administered the follow-up nine-item Patient Health Questionnaire (PHQ-9) both immediately following the PHQ-2 and by telephone 1 month after discharge...
September 2016: General Hospital Psychiatry
Dania Comparcini, Marco Tomietto, Valentina Simonetti, Francesca Zambri, Giancarlo Cicolini
AIM: To explore the first year midwifery students' clinical learning experience and satisfaction; to analyse the association between students' satisfaction and individual motivation. METHOD: The multicentre cross-sectional study was carried out in four Italian midwifery degree courses. A convenience sample of 61 students filled out the Italian version of the "Clinical Learning Environment and Supervision plus Nurse Teacher (CLES+T) scale" after the conclusion of their first clinical placement...
April 2016: Professioni Infermieristiche
Daniele Claudino Maciel, José Roberto Botelho de Souza, Satie Taniguchi, Márcia Caruso Bícego, Carlos Augusto França Schettini, Eliete Zanardi-Lamardo
Estuaries generally act as sediment traps and may retain a range of contaminants associated to this matrix. Aliphatic hydrocarbons (AHs) were investigated in Capibaribe Estuarine System and adjacent shelf, Northeast of Brazil, to evaluate the contamination and to better understand its functionality related to the coast. Fourteen sediment samples were analyzed, using gas chromatography with flame ionization detection. Total AHs concentrations ranged from 7.5 to 190.3μgg(-1) and n-alkanes ranged from below detection limit (<DL) to 9...
August 29, 2016: Marine Pollution Bulletin
Srikant Sharma, Triptish Bhatia, Sati Mazumdar, Smita N Deshpande
Both neurological soft signs (NSS) and cognitive deficits are present among euthymic bipolar patients. NSS could be related to neurocognitive performance, but this is not explored thoroughly. Healthy relatives of patients may also suffer from similar deficits. This study compared NSS and cognitive functions in euthymic Bipolar I Disorder (BPI) cases to their non-affected first degree relatives and healthy controls. We also investigated the association between NSS and cognitive functions in these three groups...
August 2016: Asian Journal of Psychiatry
Josilene da Silva, Satie Taniguchi, José Henrique Becker, Max Rondon Werneck, Rosalinda Carmela Montone
Organochlorines (OCs), such as pesticides and polychlorinated biphenyls (PCBs), are persistent, toxic and widely distributed through atmospheric transport and ocean currents. Few studies have been conducted on OCs in sea turtles, especially on the coast of Brazil. Chelonia mydas is the largest hard-shell sea turtle and is found tropical and subtropical regions in all oceans. The aim of the present study was to determine the occurrence of OCs in the green sea turtle (C. mydas). Fat, liver, kidney and muscle samples were collected from 27 juveniles found on the beach of the city of Ubatuba on the northern coast of the state of São Paulo, Brazil...
November 15, 2016: Marine Pollution Bulletin
Triptish Bhatia, Sati Mazumdar, Joel Wood, Fanyin He, Raquel E Gur, Ruben C Gur, Vishwajit L Nimgaonkar, Smita N Deshpande
BACKGROUND: Yoga and physical exercise have been used as adjunctive intervention for cognitive dysfunction in schizophrenia (SZ), but controlled comparisons are lacking. Aims A single-blind randomised controlled trial was designed to evaluate whether yoga training or physical exercise training enhance cognitive functions in SZ, based on a prior pilot study. METHODS: Consenting, clinically stable, adult outpatients with SZ (n=286) completed baseline assessments and were randomised to treatment as usual (TAU), supervised yoga training with TAU (YT) or supervised physical exercise training with TAU (PE)...
August 12, 2016: Acta Neuropsychiatrica
Ankita Sati, Sushil Chandra Sati, Nitin Sati, O P Sati
Natural fats and dietary oils are chief source of fatty acids and are well known to have antimicrobial activities against various microbes. The chemical composition and antimicrobial activities of fatty acids from fruits of white Oak (Quercus leucotrichophora) are yet unexplored and therefore the present study for the first time determines the fatty acid composition, and the antibacterial and antifungal activities of fatty acid methyl esters (FAME) of the white Oak plant found along the Himalayan region of Uttarakhand, India...
August 8, 2016: Natural Product Research
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