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Recent studies

Daniel Panchik, Sarah Masco, Patrice Zinnikas, Brooke Hillriegel, Tori Lauder, Erica Suttmann, Vernon Chinchilli, Maureen McBeth, William Hermann
BACKGROUND:  Breast cancer-related lymphedema (BCRL) affects many areas of daily living. Individuals with lymphedema may experience chronic and progressive swelling, recurrent skin infections, and decreased self-image and quality of life. For many years, it was considered best practice for this population to avoid exercise; however, in recent years, research has begun to challenge this belief. This systematic review and meta-analyses examined the recent literature on the effects of exercise for patients with, or at risk for, BCRL to inform best practice...
June 23, 2018: Journal of Reconstructive Microsurgery
Gulay Erdogan Kayhan, Mukadder Sanli, Ulku Ozgul, Ramazan Kirteke, Saim Yologlu
STUDY OBJECTIVE: Multimodal analgesic strategies are recommended to decrease opioid requirements and opioid-induced respiratory complications in patients undergoing laparoscopic bariatric surgery. Recent studies have demonstrated that intravenous ibuprofen decreases opioid consumption compared with placebo. The primary aim of this study was to compare the effect of intravenous ibuprofen and intravenous acetaminophen on opioid consumption. We also aimed to compare postoperative pain levels and side effects of the drugs...
June 20, 2018: Journal of Clinical Anesthesia
Stacey N Doan, Heimi Son, Lawrence N Kim
In recent years, empirical studies have shown that the inability to tolerate distress is associated with a wide range of negative outcomes including eating addiction, drug abuse, alcohol use, and antisocial behavior in adults. However, few studies have examined family correlates of this ability in children. Also, past literature on child emotional competencies has mainly focused on documenting the linkages between mother and child and has neglected the role of fathers. Children (N = 54, M age = 10.15 years, SD = 1...
June 8, 2018: Psychiatry Research
Alexey Rayevsky, Mohsen Sharifi, Michael Tukalo
The accuracy of protein synthesis is provided by the editing functions of aminoacyl-tRNA synthetases (aaRSs), a mechanism that eliminates misactivated amino acids or mischarged tRNAs. Despite research efforts, some molecular bases of these mechanisms are still unclear. The post-transfer editing pathway of leucyl-tRNA synthetase (LeuRS) carried out in a special insertion domain (the Connective Polypeptide 1 or CP1), as editing domain. Recently, it was shown by in vivo studies and was supported by mutagenesis, and the kinetics approaches that the CP1 domain of LeuRS has discriminatory power for different substrates...
June 18, 2018: Journal of Molecular Graphics & Modelling
Klariz Tucker, Tyra Dark, Jeffrey S Harman
PURPOSE: Given that out-of-pocket (OOP) costs impact adherence to treatment and recent and proposed changes to the health insurance system that impact OOP costs, it is imperative to understand the OOP cost burden faced by individuals with anxiety disorders depending upon type of insurance coverage. The objective of this study was to determine the annual OOP cost burden faced by individuals with anxiety disorders and the variation of these costs by type of insurance coverage. METHODS: Using weighted nationally representative data from the 2011-2014 Medical Expenditure Panel Surveys, total OOP health care costs were assessed for all respondents who indicated that they had an anxiety disorder (N = 9985)...
June 15, 2018: Journal of Anxiety Disorders
Zahra Safaeinejad, Fatemeh Kazeminasab, Abbas Kiani-Esfahani, Kamran Ghaedi, Mohammad Hossein Nasr-Esfahani
Stem cells which defined by dual features of self-renewal and differentiation potential provide a unique source for repairing damaged tissues to treat a wide spectrum of diseases and injuries. Several recent studies suggest that Resveratrol (RSV), a natural polyphenol component, possesses the ability to improve either culture conditions of stem cells or their target differentiation in culture. This review covers the literature that deals with the effects of RSV and its underlying mechanisms on survival, self-renewal and lineage commitment of various stem cells...
June 18, 2018: European Journal of Medicinal Chemistry
Andrea Gredelj, Alberto Barausse, Laura Grechi, Luca Palmeri
Over the past decades, per- and polyfluoroalkyl substances (PFASs) found in environmental matrices worldwide have raised concerns due to their toxicity, ubiquity and persistence. A widespread pollution of groundwater and surface waters caused by PFASs in Northern Italy has been recently discovered, becoming a major environmental issue, also because the exact risk for humans and nature posed by this contamination is unclear. Here, the Po River in Northern Italy was selected as a study area to assess the ecological risk posed by perfluoroalkyl acids (PFAAs), a class of PFASs, considering the noticeable concentration of various PFAAs detected in the Po waters over the past years...
June 20, 2018: Environment International
Timothy M Frayling, Charli E Stoneman
Type 2 diabetes, coronary artery disease and hypertension are associated with anthropometric and biomarker traits, including waist-to-hip-ratio, body mass index and altered glucose and insulin levels. Clinical trials, for example of weight-loss interventions, show these factors are causal, but lifelong impact of subtle changes in body mass index and body fat distribution are less clear. The use of human genetics can quantify the causal effects of long-term exposure to subtle changes of modifiable risk factors...
June 20, 2018: Current Opinion in Genetics & Development
Albert Lladó, Adrià Tort-Merino, Raquel Sánchez-Valle, Neus Falgàs, Mircea Balasa, Beatriz Bosch, Magda Castellví, Jaume Olives, Anna Antonell, Michael Hornberger
Recent studies suggest that hippocampus has different cortical connectivity and functionality along its longitudinal axis. We sought to elucidate the possible different pattern of atrophy in longitudinal axis of hippocampus between Amyloid/Tau pathology and TDP-43-pathies. Seventy-three presenile subjects were included: Amyloid/Tau group (33 Alzheimer's disease with confirmed cerebrospinal fluid [CSF] biomarkers), probable TDP-43 group (7 semantic variant progressive primary aphasia, 5 GRN and 2 C9orf72 mutation carriers) and 26 healthy controls...
June 1, 2018: Neurobiology of Aging
Suzana Gonçalves Carvalho, Larissa Ataíde Siqueira, Marcos Santos Zanini, Ana Paula Dos Santos Matos, Carla Holandino Quaresma, Luisa Mota da Silva, Sérgio Faloni de Andrade, Juliana Aparecida Severi, Janaina Cecília Oliveira Villanova
Recently, there have been numerous cases of leishmaniasis reported in different Brazilian states. The use of furazolidone (FZD) to treat leishmaniasis has been previously described; however, the drug is associated with adverse effects such as anorexia, weight loss, incoordination, and fatigue in dogs. Thus, in the present study, we prepared and evaluated inclusion complexes between FZD and β-cyclodextrin (β-CD) to guarantee increased drug solubility and reduce the toxicity associated with high doses. The FZD:β-CD complexes were prepared by two different techniques (kneading and lyophilization) prior to incorporation in an oral pharmaceutical dosage form...
June 15, 2018: Research in Veterinary Science
Jonathan L King, Jennifer D Churchill, Nicole M M Novroski, Xiangpei Zeng, David H Warshauer, Lay-Hong Seah, Bruce Budowle
The use of single nucleotide polymorphisms (SNPs) in forensic genetics has been limited to challenged samples with low template and/or degraded DNA. The recent introduction of massively parallel sequencing (MPS) technologies has expanded the potential applications of these markers and increased the discrimination power of well-established loci by considering variation in the flanking regions of target loci. The ForenSeq Signature Preparation Kit contains 165 SNP amplicons for ancestry- (aiSNPs), identity- (iiSNPs), and phenotype-inference (piSNPs)...
June 6, 2018: Forensic Science International. Genetics
Anna M Trier, Brian S Kim
Atopic dermatitis (AD) is an inflammatory skin disease characterized by two primary features: relapsing skin lesions and chronic itch. Major advances in our understanding of type 2 immunity have led to new insights into the critical factors that promote the development and persistence of AD-associated skin inflammation. Although inflammation is strongly associated with the development of atopic itch, the precise mechanisms by which itch arises in AD are poorly understood. In this review, we highlight recent studies that have started to unveil how various proinflammatory factors released within the skin can elicit sensations of itch and discuss the therapeutic potential of targeting these neuroimmunologic processes...
June 20, 2018: Current Opinion in Immunology
Qiuming Yao, Zhenyu Song, Bin Wang, Jin-An Zhang
Immunometabolism is an emerging field that focuses on the role of cellular metabolism in the regulation of immune cells. Recent studies have revealed an intensive link between the metabolic state and the functions of immune cells. MicroRNAs (miRNAs) are small non-coding, single-stranded RNAs generally consisting of 18-25 nucleotides that exert crucial roles in regulating gene expression at the posttranscriptional level. Although the role of miRNAs in immune regulation has long been recognized, their roles in immunometabolism have not yet been well established...
June 20, 2018: Cancer Letters
Bing Wang, Chao Wu, Genserik Reniers, Lang Huang, Liangguo Kang, Laobing Zhang
China is a major country producing and using hazardous chemicals. Unfortunately, the hazardous chemical industry is still one of the most high-risk industries in China. In recent years, especially after two devastating hazardous chemical accidents, namely "Qingdao 11.2 Crude Oil Leaking and Explosion Accident" and "Tianjin Port 8.12 Fire and Explosion Accident" which occurred in 2013 and 2015 respectively, China has attached great importance to hazardous chemical safety. The period between 2016 and 2017 is a crucial period for the future direction of hazardous chemical safety in China because China released a series of important government documents (such as 'Thirteenth Five-Year (2016-2020) Plan for Hazardous Chemical Safety' and 'Comprehensive Plan for Hazardous Chemical Safety Management (December 2016-November 2019)') to promote hazardous chemical safety in the future...
June 20, 2018: Science of the Total Environment
Yang Yanfang, Zhang Kaikai, Yang Liying, Lv Xing, Wu Ying, Liu Hongwei, Lu Qiang, Chen Duanfen, Qiu Deyou
Myelocytomatosis (MYC) transcription factors (TFs) are key regulators of the jasmonic acid (JA) signaling pathway. In cell cultures, methyl jasmonate (MeJA) can improve the production of taxol, which is a complex terpenoid compound with an intense antitumor activity. However, the functions of MYC genes in Taxus sp. (yew trees) remain poorly known. Based on Taxus sp. transcriptome changes induced by MeJA, a TcMYC gene was isolated in a previous study. Here, we further characterized the TcMYC TF encoded by that gene and four other yew MYC TFs previously obtained...
June 20, 2018: Gene
Qingkui Zhang, Yang Li, Huaiyu Tong, Xiancong Wu, Yunxia Wang, Wei Ge, Chao He, Ruozhuo Liu, Shengyuan Yu
BACKGROUND: Encephaloduroarteriosynangiosis (EDAS) as a form of indirect revascularization has been recently proposed as a potentially promising alternative for patients with intracranial atherosclerotic disease (ICAD). The object of this study was to compare the prognostic roles between isolated EDAS and medical therapy in patients with atherosclerotic middle cerebral artery occlusion (MCAO). METHODS: From January 2014 to June 2017, 125 patients with atherosclerotic MCAO were enrolled in this prospective non-randomized controlled cohort study...
June 20, 2018: World Neurosurgery
Jessica J Lin, Viola W Zhu, Adam J Schoenfeld, Beow Y Yeap, Ashish Saxena, Lorin A Ferris, Ibiayi Dagogo-Jack, Anna F Farago, Angela Taber, Anne Traynor, Smitha Menon, Justin F Gainor, Jochen K Lennerz, Andrew J Plodkowski, Subba R Digumarthy, Sai-Hong Ignatius Ou, Alice T Shaw, Gregory J Riely
BACKGROUND: The second-generation ALK inhibitor alectinib recently demonstrated superior efficacy compared to the first-generation ALK inhibitor crizotinib in advanced anaplastic lymphoma kinase (ALK)-rearranged non-small cell lung cancer (NSCLC), establishing alectinib as the new standard first-line therapy. Brigatinib, another second-generation ALK inhibitor, has demonstrated substantial activity in patients with crizotinib-refractory ALK-positive NSCLC; however, its activity in the alectinib-refractory setting is unknown...
June 20, 2018: Journal of Thoracic Oncology
Yan Chen, Jude Juventus Aweya, Wanwei Sun, Xiaoyuan Wei, Yi Gong, Hongyu Ma, Yueling Zhang, Xiaobo Wen, Shengkang Li
Tolls and Toll-like receptors (TLRs) were the first pattern recognition receptors (PRRs) identified to play key roles in host innate immunity. However, relatively little is known about other types of Toll-like receptors in Scylla paramamosain, although a Toll-like receptor (SpToll1) has recently been cloned. In this study, we cloned and characterized another novel Toll-like receptor 2 (SpToll2) from S. paramamosain. The full-length cDNA of SpToll2 is 3391 bp with a 2646 bp open reading frame (ORF) encoding a putative protein of 881 amino acids, and predicted to contain six extracellular leucine-rich repeat (LRR) domains, a transmembrane domain and an intracellular Toll/IL-1 receptor (TIR) domain...
June 20, 2018: Developmental and Comparative Immunology
Drew R Van Orden
Mineral particles have long been observed in the ambient air and for >40 years, samples of these airborne particulate have been collected in attempt to identify and quantify the amount of asbestos particles in the air. For most of this time, regulated asbestos particles (in the shape of fibers) were the target for these analyses. However, since the turn of the century, more emphasis has been placed on finding and identifying elongate mineral particles (EMPs). For EMPs (particularly serpentine and amphibole minerals), these airborne particles have generally been associated with industrial activities and were reported as "asbestos"...
June 20, 2018: Toxicology and Applied Pharmacology
Laura D Lewis, Kawin Setsompop, Bruce R Rosen, Jonathan R Polimeni
Recent developments in fMRI acquisition techniques now enable fast sampling with whole-brain coverage, suggesting fMRI can be used to track changes in neural activity at increasingly rapid timescales. When images are acquired at fast rates, the limiting factor for fMRI temporal resolution is the speed of the hemodynamic response. Given that HRFs may vary substantially in subcortical structures, characterizing the speed of subcortical hemodynamic responses, and how the hemodynamic response shape changes with stimulus duration (i...
June 20, 2018: NeuroImage
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