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https://www.readbyqxmd.com/read/28343355/anti-c1q-autoantibodies-as-markers-of-renal-involvement-in-childhood-onset-systemic-lupus-erythematosus
#1
Cécile Picard, Jean-Christophe Lega, Bruno Ranchin, Pierre Cochat, Natalia Cabrera, Nicole Fabien, Alexandre Belot
BACKGROUND: Childhood-onset systemic lupus erythematosus (cSLE) is rare, and considered more severe than its adult-onset counterpart. Lupus nephritis (LN) occurs more frequently in children, accounting for higher long-term morbidity and mortality compared with adults. Thus, reliable biological markers are needed to predict disease course. This study aimed to investigate the capacity of anti-C1q autoantibodies (Abs) to predict renal flare and global disease activity in cSLE patients, and association with disease activity and kidney involvement...
March 25, 2017: Pediatric Nephrology: Journal of the International Pediatric Nephrology Association
https://www.readbyqxmd.com/read/28343351/health-related-quality-of-life-hrqol-and-its-correlates-among-community-recruited-children-living-with-hiv-and-uninfected-children-born-to-hiv-infected-parents-in-west-bengal-india
#2
Aritra Das, Roger Detels, Abdelmonem A Afifi, Marjan Javanbakht, Frank J Sorvillo, Samiran Panda
PURPOSE: Helping children living with HIV (CLH) to attain an optimum quality of life is an important goal for HIV programs around the world. Our principal objectives were to determine the association of HIV infection with different domains of health-related quality of life (HRQoL) among 8- to 15-year-old CLH in India and to compare the HRQoL parameters between CLH and HIV-negative children born to HIV-infected parents ("HIV-affected"). We also assessed whether antiretroviral therapy (ART) and CD4 lymphocyte counts were associated with HRQoL among CLH...
March 25, 2017: Quality of Life Research
https://www.readbyqxmd.com/read/28343291/intercalary-frozen-autograft-for-reconstruction-of-malignant-bone-and-soft-tissue-tumours
#3
Karem M Zekry, Norio Yamamoto, Katsuhiro Hayashi, Akihiko Takeuchi, Takashi Higuchi, Kensaku Abe, Yuta Taniguchi, Ali Zein A A Alkhooly, Ahmed Saleh Abd-Elfattah, Ezzat H Fouly, Adel Refaat Ahmed, Hiroyuki Tsuchiya
PURPOSE: In 1999, we developed a technique using frozen autografts-tumour-containing bone treated with liquid nitrogen-for the reconstruction of malignant bone tumours. The purpose of this study was to evaluate the functional and oncological outcomes of frozen autografts for intercalary reconstruction of malignant bones and soft tissue tumours. METHODS: This retrospective study was designed to assess 34 patients of mean age 35 (range, 6-79) years. The mean follow-up period was 62 (24-214) months...
March 25, 2017: International Orthopaedics
https://www.readbyqxmd.com/read/28343251/neurological-aspects-of-chemical-and-biological-terrorism-guidelines-for-neurologists
#4
REVIEW
Harald De Cauwer, Francis J M P Somville, Marieke Joillet
This statement paper deals with the key role an neurologist plays in the management of victims of chemical warfare/terrorist attacks. Because terrorist factions have expanded the war zone creating a worldwide risk of terrorist attacks, not only limited to some conflict zones in the Middle East, neurologists in all countries/regions have to be prepared for disaster response. The scope of this paper is to provide guidelines for the neurological management of victims of chemical and biological terrorist attacks...
March 25, 2017: Acta Neurologica Belgica
https://www.readbyqxmd.com/read/28343243/fusarium-species-a-promising-tool-box-for-industrial-biotechnology
#5
REVIEW
Marina Gabriel Pessôa, Bruno Nicolau Paulino, Mario Cezar Rodrigues Mano, Iramaia Angélica Neri-Numa, Gustavo Molina, Glaucia Maria Pastore
Global demand for biotechnological products has increased steadily over the years. Thus, need for optimized processes and reduced costs appear as a key factor in the success of this market. A process tool of high importance is the direct or indirect use of enzymes to catalyze the generation of various substances. Also, obtaining aromas and pigments from natural sources has becoming priority in cosmetic and food industries in order to supply the demand from consumers to substitute synthetic compounds, especially when by-products can be used as starting material for this purpose...
March 25, 2017: Applied Microbiology and Biotechnology
https://www.readbyqxmd.com/read/28343237/actogram-analysis-of-free-flying-migratory-birds-new-perspectives-based-on-acceleration-logging
#6
REVIEW
Johan Bäckman, Arne Andersson, Lykke Pedersen, Sissel Sjöberg, Anders P Tøttrup, Thomas Alerstam
The use of accelerometers has become an important part of biologging techniques for large-sized birds with accelerometer data providing information about flight mode, wing-beat pattern, behaviour and energy expenditure. Such data show that birds using much energy-saving soaring/gliding flight like frigatebirds and swifts can stay airborne without landing for several months. Successful accelerometer studies have recently been conducted also for free-flying small songbirds during their entire annual cycle. Here we review the principles and possibilities for accelerometer studies in bird migration...
March 25, 2017: Journal of Comparative Physiology. A, Neuroethology, Sensory, Neural, and Behavioral Physiology
https://www.readbyqxmd.com/read/28343215/a-study-of-biological-rhythm-disturbances-in-polish-remitted-bipolar-patients-using-the-brian-csm-and-swpaq-scales
#7
Ewa Dopierala, Adrian Chrobak, Flavio Kapczinski, Michał Michalak, Anna Tereszko, Ewa Ferensztajn-Rochowiak, Dominika Dudek, Jan Jaracz, Marcin Siwek, Janusz K Rybakowski
BACKGROUND/AIMS: The Biological Rhythms Interview of Assessment in Neuropsychiatry (BRIAN) is a novel tool allowing for a complex assessment of biological rhythms. We compared patients with bipolar disorder (BD) and healthy control subjects (HC) using the Polish version of the BRIAN scale. METHOD: Fifty-four remitted BD patients (17 males and 37 females aged 52 ± 13 years) and 54 healthy control subjects (25 males and 29 females aged 42 ± 14 years) were studied...
March 25, 2017: Neuropsychobiology
https://www.readbyqxmd.com/read/28343174/mirna-analysis-in-pancreatic-cancer-the-dartmouth-experience
#8
Francine B de Abreu, Xiaoying Liu, Gregory J Tsongalis
Pancreatic cancer is considered one of the most lethal cancers being the fourth leading cause of cancer deaths in adults in the United States because of the lack of early signs and symptoms and the lack of early detection. Pancreatic ductal adenocarcinoma (PDAC) is the most common histological type among pancreatic cancers, representing 80%-90% of all solid tumors of the pancreas. The majority of PDAC develops from three precursor lesions: pancreatic intraepithelial neoplasia, intraductual papillary mucinous neoplasm and mucinous cystic neoplasm...
March 27, 2017: Clinical Chemistry and Laboratory Medicine: CCLM
https://www.readbyqxmd.com/read/28343169/a-bayesian-semiparametric-factor-analysis-model-for-subtype-identification
#9
Jiehuan Sun, Joshua L Warren, Hongyu Zhao
Disease subtype identification (clustering) is an important problem in biomedical research. Gene expression profiles are commonly utilized to infer disease subtypes, which often lead to biologically meaningful insights into disease. Despite many successes, existing clustering methods may not perform well when genes are highly correlated and many uninformative genes are included for clustering due to the high dimensionality. In this article, we introduce a novel subtype identification method in the Bayesian setting based on gene expression profiles...
March 25, 2017: Statistical Applications in Genetics and Molecular Biology
https://www.readbyqxmd.com/read/28343162/mesothelin-promoter-variants-are-associated-with-increased-soluble-mesothelin-related-peptide-levels-in-asbestos-exposed-individuals
#10
Chiara De Santi, Perla Pucci, Alessandra Bonotti, Ombretta Melaiu, Monica Cipollini, Roberto Silvestri, Veronika Vymetalkova, Elisa Barone, Elisa Paolicchi, Alda Corrado, Irene Lepori, Irene Dell'Anno, Lucia Pellè, Pavel Vodicka, Luciano Mutti, Rudy Foddis, Alfonso Cristaudo, Federica Gemignani, Stefano Landi
BACKGROUND: Soluble mesothelin-related peptide (SMRP) is a promising diagnostic biomarker for malignant pleural mesothelioma (MPM), but various confounders hinder its usefulness in surveillance programmes. We previously showed that a single nucleotide polymorphism (SNP) within the 3'untranslated region (3'UTR) of the mesothelin (MSLN) gene could affect the levels of SMRP. OBJECTIVES: To focus on SNPs located within MSLN promoter as possible critical genetic variables in determining SMRP levels...
March 25, 2017: Occupational and Environmental Medicine
https://www.readbyqxmd.com/read/28343105/photoluminescence-light-up-detection-of-zinc-ion-and-imaging-in-living-cells-based-on-the-aggregation-induced-emission-enhancement-of-glutathione-capped-copper-nanoclusters
#11
Liyun Lin, Yuefang Hu, Liangliang Zhang, Yong Huang, Shulin Zhao
In this work, we prepared glutathione (GSH)-capped copper nanoclusters (Cu NCs) with red emission by simply adjusting the pH of GSH/Cu(2+) mixture at room temperature. A photoluminescence light-up method for detecting Zn(2+) was then developed based on the aggregation induced emission enhancement of GSH-capped Cu NCs. Zn(2+) could trigger the aggregation of Cu NCs, inducing the enhancement of luminescence and the increase of absolute quantum yield from 1.3% to 6.2%. GSH-capped Cu NCs and the formed aggregates were characterized, and the possible mechanism was also discussed...
March 19, 2017: Biosensors & Bioelectronics
https://www.readbyqxmd.com/read/28343073/breviscapine-confers-a-neuroprotective-efficacy-against-transient-focal-cerebral-ischemia-by-attenuating-neuronal-and-astrocytic-autophagy-in-the-penumbra
#12
Zhang Pengyue, Guo Tao, He Hongyun, Yang Liqiang, Deng Yihao
Breviscapine is a flavonoid derived from a traditional Chinese herb Erigerin breviscapus (Vant.) Hand-Mazz, and has been extensively used in clinical treatment for cerebral stroke in China, but the underlying pharmacological mechanisms are still unclear. In present study, we investigated whether breviscapine could confer a neuroprotection against cerebral ischemia injury by targeting autophagy mechanisms. A cerebral stroke model in Sprague-Dawley rats was prepared by middle cerebral artery occlusion (MCAO), rats were then randomly divided into 5 groups: MCAO+Bre group, rats were treated with breviscapine; MCAO+Tat-Beclin-1 group, animals were administrated with specific autophagy inducer Tat-Beclin-1; MCAO+Bre+Tat-Beclin-1 group, rats were treated with both breviscapine and Tat-Beclin-1, MCAO+saline group, rats received the same volume of physiological saline, and Sham surgery group...
March 23, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28343052/season-of-treatment-initiation-with-antidepressants-and-suicidal-behavior-a-population-based-cohort-study-in-sweden
#13
Georgios D Makris, Johan Reutfors, Morten Andersen, Richard A White, Lisa Ekselius, Fotios C Papadopoulos
BACKGROUND: Decreased binding capacity of SERT in the prefrontal cortex has been observed in both suicide victims and suicide attempters. Moreover, some studies have shown that SERT has a seasonal variation with lower binding capacity in the spring and summer, which coincides with a seasonal peak of suicides. Our aim was to explore whether the season of treatment initiation with antidepressants is associated with suicide or suicide attempt and compare it with the underlying suicide seasonality in the general population...
March 10, 2017: Journal of Affective Disorders
https://www.readbyqxmd.com/read/28343031/assessing-the-genotoxic-effects-of-two-lipid-peroxidation-products-4-oxo-2-nonenal-and-4-hydroxy-hexenal-in-haemocytes-and-midgut-cells-of-drosophila-melanogaster-larvae
#14
Eşref Demir, Ricard Marcos
Lipid peroxidation products can induce tissue damage and are implicated in diverse pathological conditions, including aging, atherosclerosis, brain disorders, cancer, lung and various liver disorders. Since in vivo studies produce relevant information, we have selected Drosophila melanogaster as a suitable in vivo model to characterise the potential risks associated to two lipid peroxidation products namely 4-oxo-2-nonenal (4-ONE) and 4-hydroxy-hexenal (4-HHE). Toxicity, intracellular reactive oxygen species production, and genotoxicity were the end-points evaluated...
March 22, 2017: Food and Chemical Toxicology
https://www.readbyqxmd.com/read/28343024/sex-estimation-with-the-total-area-of-the-proximal-femur-a-densitometric-approach
#15
Francisco Curate, Anabela Albuquerque, Izilda Ferreira, Eugénia Cunha
The estimation of sex is a central step to establish the biological profile of an anonymous skeletal individual. Imaging techniques, including bone densitometry, have been used to evaluate sex in remains incompletely skeletonized. In this paper, we present a technique for sex estimation using the total area (TA) of the proximal femur, a two-dimensional areal measurement determined through densitometry. TA was acquired from a training sample (112 females; 112 males) from the Coimbra Identified Skeletal Collection (University of Coimbra, Portugal)...
March 8, 2017: Forensic Science International
https://www.readbyqxmd.com/read/28343017/%C3%AE-lactoglobulin-an-efficient-nanocarrier-for-advanced-delivery-systems
#16
REVIEW
Zahra Shafaei, Behafarid Ghalandari, Akbar Vaseghi, Adeleh Divsalar, Thomas Haertlé, Ali Akbar Saboury, Lindsay Sawyer
Thanks to the progress of nanotechnology there are several agent-delivery systems that can be selected to achieve rapid and specific delivery of a wide variety of biologically active agents. Consequently, the manipulation and engineering of biopolymers has become one of the most exciting subjects for those who study delivery systems on the nano-scale. In this regard, both nanoparticle formation and a carrier role have been observed in the case of the globular milk whey protein, β-lactoglobulin (β-LG), setting it apart from many other proteins...
March 22, 2017: Nanomedicine: Nanotechnology, Biology, and Medicine
https://www.readbyqxmd.com/read/28343010/structural-and-dynamics-studies-of-the-tetr-family-protein-cprb-from-streptomyces-coelicolor-in-complex-with-its-biological-operator-sequence
#17
Hussain Bhukya, Asis K Jana, Neelanjana Sengupta, Ruchi Anand
In Streptomycetes, tetracycline repressor family of transcription regulators (TetR-FTRs) controls various biological processes including antibiotic biosynthesis, cellular morphology and innate resistance. Here, we focus on understanding the structural basis of transcription regulation by CprB, a member of TetR-FTRs from S. coelicolor. CprB is implicated as a receptor of γ-butyrolactones, a class of quorum sensing molecules, responsible for initiating secondary metabolic pathways. In order to understand the molecular mechanism of DNA recognition, the X-ray structure of CprB in complex with its biological relevant operator sequence was solved to a resolution of 3...
March 22, 2017: Journal of Structural Biology
https://www.readbyqxmd.com/read/28343001/comprehensive-functional-analysis-of-large-lists-of-genes-and-proteins
#18
Bernhard Mlecnik, Jérôme Galon, Gabriela Bindea
The interpretation of high dimensional datasets resulting from genomic and proteomic experiments in a timely and efficient manner is challenging. ClueGO software is a Cytoscape App that extracts representative functional biological information for large lists of genes or proteins. The functional enrichment analysis is based on the latest publicly available data from multiple annotation and ontology resources that can be automatically accessed through ClueGO. Predefined settings for the selection of the terms are provided to facilitate the analysis...
March 22, 2017: Journal of Proteomics
https://www.readbyqxmd.com/read/28342987/circular-rnas-and-cancer
#19
Jun He, Qichao Xie, Hailin Xu, Jiantian Li, Yongsheng Li
Circular RNAs (circRNAs) are a type of non-coding RNA molecules that lack a 5'-terminal cap and 3'-terminal poly A tail. A large number of circRNAs have been identified through biological experiments, computational methods and high-throughput sequencing. CircRNA sequence composition determines if a given circRNA is exonic, intronic or retained-intronic. CircRNAs are more abundant and stable than linear mRNAs, and their expression is both step- and location-specific. CircRNAs mediate transcriptional and post-transcriptional regulation of gene and protein expression...
March 22, 2017: Cancer Letters
https://www.readbyqxmd.com/read/28342885/high-throughput-identification-of-mirnas-of-taenia-ovis-a-cestode-threatening-sheep-industry
#20
Yadong Zheng
Taenia ovis is a tapeworm that is mainly transmitted between dogs and sheep or goats and has an adverse effect on sheep industry. miRNAs are short regulatory non-coding RNAs, involved in parasite development and growth as well as parasite infection. The miRNA profile of T. ovis remains to be established. Herein, 33 known miRNAs belonging to 23 different families were identified in T. ovis metacestodes using deep sequencing approach. Of them, expression of some miRNAs such as tov-miR-10 and -let-7 was absolutely predominant...
March 22, 2017: Infection, Genetics and Evolution
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