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https://www.readbyqxmd.com/read/29776018/voxel-based-morphometry-in-creative-writers-gray-matter-increase-in-a-prefronto-thalamic-cerebellar-network
#1
Nicola Neumann, Martin Domin, Katharina Erhard, Martin Lotze
Continuous practice modulates those features of brain anatomy specifically associated with requirements of the respective training task. The current study aimed to highlight brain structural changes going along with long-term experience in creative writing. To this end, we investigated the gray-matter volume of 23 expert writers with voxel-based morphometry and compared it to 28 matched non-expert controls. Expert writers had higher gray-matter volume in the right superior frontal and middle frontal gyri (BA 9,10) as well as left middle frontal gyrus (BA 9, 10, 46), the bilateral medial dorsal nuclei of the thalamus and left posterior cerebellum...
May 18, 2018: European Journal of Neuroscience
https://www.readbyqxmd.com/read/29775997/improved-acmg-compliant-in-silico-prediction-of-pathogenicity-for-missense-substitutions-encoded-by-tp53-variants
#2
Cristina Fortuno, Paul A James, Erin L Young, Bing Feng, Magali Olivier, Tina Pesaran, Sean V Tavtigian, Amanda B Spurdle
Clinical interpretation of germline missense variants represents a major challenge, including those in the TP53 Li-Fraumeni syndrome gene. Bioinformatic prediction is a key part of variant classification strategies. We aimed to optimize the performance of the Align-GVGD tool used for p53 missense variant prediction, and compare its performance to other bioinformatic tools (SIFT, PolyPhen-2) and ensemble methods (REVEL, BayesDel). Reference sets of assumed pathogenic and assumed benign variants were defined using functional and/or clinical data...
May 18, 2018: Human Mutation
https://www.readbyqxmd.com/read/29775988/effects-of-different-resistance-training-frequencies-on-fat-in-overweight-obese-older-women
#3
Edilaine F Cavalcante, Alex S Ribeiro, Matheus A do Nascimento, Analiza M Silva, Crisieli M Tomeleri, Hellen C G Nabuco, Fábio L C Pina, Jerry L Mayhew, Marzo E Da Silva-Grigoletto, Danilo R P da Silva, Steven J Fleck, Edilson S Cyrino
AIM: This study compared the effect of different resistance training (RT) frequencies on total, android, gynoid and trunk body fat in overweight/obese older women. METHODS: Fifty-seven overweight/obese older women (66.9±5.3 years and 39.9±4.9% body fat) were randomly assigned to one of three groups: a group performing RT twice a week (G2X), a group performing RT three times a week (G3X), or a non-exercise control group (CG). Both training groups performed the same 12-week RT program consisting of 8 exercises that trained all major muscle groups...
May 18, 2018: International Journal of Sports Medicine
https://www.readbyqxmd.com/read/29775975/misleading-new-insights-into-the-chrysotile-debate
#4
H-J Woitowitz, X Baur
Although there is no dispute among independent scientists about the carcinogenic and fibrogenic effects of chrysotile, the asbestos industry has been continuously and successfully acting to cast doubts on its harm. Another approach including asbestos insurance entities is to refuse compensation by raising the bar and fight criminal prosecution for asbestos-related diseases by the help of paid scientists. A recent publication on asbestos fibre burden in human lungs fits well in this context. The claim that chrysotile fibres are biopersistent in human lung is not based on the data provided by these authors, and, additionally, exhibits serious inconsistencies and obvious mismeasurements and significant methodological problems...
May 18, 2018: Pneumologie
https://www.readbyqxmd.com/read/29775962/preterm-birth-and-oxidative-stress-effects-of-acute-physical-exercise-and-hypoxia-physiological-responses
#5
Agnès Martin, Camille Faes, Tadej Debevec, Chantal Rytz, Grégoire Millet, Vincent Pialoux
Preterm birth is a global health issue that can induce lifelong medical sequela. Presently, at least one in ten newborns are born prematurely. At birth, preterm newborns exhibit higher levels of oxidative stress (OS) due to the inability to face the oxygen rich environment in which they are born into. Moreover, their immature respiratory, digestive, immune and antioxidant defense systems, as well as the potential numerous medical interventions following a preterm birth, such as oxygen resuscitation, nutrition, phototherapy and blood transfusion further contribute to high levels of OS...
May 1, 2018: Redox Biology
https://www.readbyqxmd.com/read/29775953/effect-of-adjuvant-on-pendimethalin-and-dimethenamid-p-behaviour-in-soil
#6
Martin Kočárek, Radka Kodešová, Umrbek Sharipov, Miroslav Jursík
Adjuvants are used to improve pesticides' performance. It is expected that adjuvants should increase sorption and persistence, as well as decrease mobility of pesticides in soils. Impact of the "Grounded" brand adjuvant on the behaviour of two herbicides, pendimethalin and dimethenamid-P, was investigated in a Haplic Chernozem. Both herbicides were tested in a laboratory batch sorption experiment with and without adjuvant. The sorption experiment showed that adjuvant negligibly increased dimethenamid-P sorption (KF  = 2...
April 30, 2018: Journal of Hazardous Materials
https://www.readbyqxmd.com/read/29775928/tributyltin-impaired-reproductive-success-in-female-zebrafish-through-disrupting-oogenesis-reproductive-behaviors-and-serotonin-synthesis
#7
Wei-Yang Xiao, Ying-Wen Li, Qi-Liang Chen, Zhi-Hao Liu
Tributyltin (TBT), an organotin acting as aromatase (Cyp19a1) inhibitor, has been found to disrupt gametogenesis and reproductive behaviors in several fish species. However, few studies addressing the mechanisms underlying the impaired gametogenesis and reproduction have been reported. In this study, female adults of zebrafish (Danio rerio) were continuously exposed to two nominal concentrations of TBT (100 and 500 ng/L, actual concentrations: 90.8 ± 1.3 ng/L and 470.3 ± 2.7 ng/L, respectively) for 28 days...
May 12, 2018: Aquatic Toxicology
https://www.readbyqxmd.com/read/29775916/cortisol-trajectory-melancholia-and-response-to-electroconvulsive-therapy
#8
Brian J Mickey, Yarden Ginsburg, Adam F Sitzmann, Clara Grayhack, Srijan Sen, Clemens Kirschbaum, Daniel F Maixner, James L Abelson
While biomarkers have been used to define pathophysiological types and to optimize treatment in many areas of medicine, in psychiatry such biomarkers remain elusive. Based on previously described abnormalities of hypothalamic-pituitary-adrenal (HPA) axis function in severe forms of depression, we hypothesized that the temporal trajectory of basal cortisol levels would vary among individuals with depression due to heterogeneity in pathophysiology, and that cortisol trajectories that reflect elevated or increasing HPA activity would predict better response to electroconvulsive therapy (ECT)...
May 15, 2018: Journal of Psychiatric Research
https://www.readbyqxmd.com/read/29775915/impact-of-declining-exposure-to-secondhand-tobacco-smoke-in-public-places-to-decreasing-smoking-related-cancer-mortality-in-the-us-population
#9
Esther García-Esquinas, Angélica Jiménez, Roberto Pastor-Barriuso, Miranda R Jones, Beatriz Perez-Gomez, Ana Navas-Acien, Maria Tellez-Plaza
BACKGROUND: The major decrease in exposure to secondhand smoke (SHS) in public places in recent decades could have contributed to the decline in smoking-related cancer mortality observed in the US population. METHODS: Prospective study among 11,856 non-smoking adults aged ≥40 years who participated in NHANES 1988-1994 or 1999-2004 and were followed for mortality through 2006. We estimated the amount of change in cancer mortality over time attributed to the intermediate pathway of changes in SHS exposure in public places, after adjustment for risk factors and SHS exposure at home...
May 15, 2018: Environment International
https://www.readbyqxmd.com/read/29775908/mirror-therapy-for-improving-lower-limb-motor-function-and-mobility-after-stroke-a-systematic-review-and-meta-analysis
#10
REVIEW
P Broderick, F Horgan, C Blake, M Ehrensberger, D Simpson, K Monaghan
BACKGROUND: Mirror therapy has been proposed as an effective intervention for lower limb rehabilitation post stroke. RESEARCH QUESTION: This systematic review with meta-analysis examined if lower limb mirror therapy improved the primary outcome measures of muscle tone and motor function and the secondary outcome measures balance characteristics, functional ambulation, walking velocity, passive range of motion (PROM) for ankle dorsiflexion and gait characteristics in patients with stroke compared to other interventions...
May 12, 2018: Gait & Posture
https://www.readbyqxmd.com/read/29775904/biosynthesis-of-chiral-epichlorohydrin-using-an-immobilized-halohydrin-dehalogenase-in-aqueous-and-non-aqueous-phase
#11
Xiao-Jian Zhang, Ping-Xiu Shi, Han-Zhong Deng, Xin-Xin Wang, Zhi-Qiang Liu, Yu-Guo Zheng
Asymmetric synthesis of chiral epichlorohydrin (ECH) from 1,3-dichloro-2-propanol (1,3-DCP) using halohydrin dehalogenase (HHDH) is of great value due to the 100% theoretical yield and high enantioselectivity. In this study, HheC (P175S/W249P) was immobilized on an A502Ps resin and used for the preparation of (S)-ECH. In aqueous system, the immobilized HheC catalyzed the biosynthesis of (S)-ECH with 83.78% yield and 92.53% enantiomeric excess (ee) at 1,3-DCP concentration of 20 mM. The non-aqueous system was further developed using water saturated ethyl acetate as solvent and reaction phase...
May 8, 2018: Bioresource Technology
https://www.readbyqxmd.com/read/29775901/tricine-co-ligand-improved-the-efficacy-of-99m-tc-hynic-ser-3-j18-peptide-for-targeting-and-imaging-of-non-small-cell-lung-cancer
#12
Zahra Shaghaghi, Seyed Mohammad Abedi, Seyed Jalal Hosseinimehr
The early diagnosis of non-small cell lung cancer (NSCLC) is important for increasing survival rate and improving quality life of patients. The aim of this study was to investigate 99m  Tc-(tricine)-HYNIC-(Ser)3 -J18 for targeting and imaging of NSCLC in A-549 xenografted nude mice. The (Ser)3 -J18 peptide was conjugated with HYNIC and labeled with 99m  Tc using tricine as a co-ligand. The radiolabeled peptide was evaluated for its radiochemical purity, stability, receptor binding and internalization in vitro...
May 15, 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29775890/triterpenic-acids-enriched-fraction-from-cyclocarya-paliurus-attenuates-non-alcoholic-fatty-liver-disease-via-improving-oxidative-stress-and-mitochondrial-dysfunction
#13
Meng-Ge Zhao, Xue-Ping Sheng, Ya-Ping Huang, Yi-Ting Wang, Cui-Hua Jiang, Jian Zhang, Zhi-Qi Yin
The effects of triterpenic acids-enriched fraction from Cyclocarya paliurus (CPT) on nonalcoholic fatty liver disease (NAFLD) were investigated using in vivo and in vitro models. In high fat diet-induced Wister rats, CPT significantly increased superoxide dismutase (SOD) activity and glutathione/oxidized glutathione (GSH/GSSG) ratio, reduced malondialdehyde (MDA) and protein carbonyl (PCO) levels. Moreover, CPT restored mitochondrial membrane potential dysfunction, decreased cytochrome P450 enzyme 2E1 (CYP2E1) activity, improved nuclear factor erythroid 2-related factor 2 (Nrf2) and Nrf2-mediated antioxidant enzyme heme oxygenase1 (HO-1) expression...
May 15, 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29775889/lncrna-mir22hg-negatively-regulates-mir-141-3p-to-enhance-dapk1-expression-and-inhibits-endometrial-carcinoma-cells-proliferation
#14
Zhili Cui, Xin An, Jingxia Li, Qiaozhen Liu, Wenli Liu
Emerging evidence has indicated that long non-coding RNAs (lncRNAs) play critical roles in tumor development and progression. Recent studies reported that lncRNA MIR22HG could play important roles in hepatocellular carcinoma and lung cancer progression. However, the expression and underlying mechanism of MIR22HG in endometrial cancer (EC) remain unclear. In the present study, qRT-PCR showed that MIR22HG expression was significantly downregulated in EC tissues. In vitro function assays showed that increased MIR22HG expression significantly inhibited EC cells proliferation, induced EC cells apoptosis, and arrested EC cells in G0/G1 phase...
May 15, 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29775873/psychosocial-stress-and-inflammation-driving-tryptophan-breakdown-in-children-and-adolescents-a-cross-sectional-analysis-of-two-cohorts
#15
Nathalie Michels, Gerard Clarke, Loreto Olavarria-Ramirez, Sonia Gómez-Martínez, Ligia Esperanza Díaz, Ascensión Marcos, Kurt Widhalm, Livia A Carvalho
BACKGROUND: Tryptophan breakdown is an important mechanism in several diseases e.g. inflammation and stress-induced inflammation have been associated with the development of depression via enhanced tryptophan breakdown. Depression is a major public health problem which commonly starts during adolescence, thus identifying underlying mechanisms during early life is crucial in prevention. The aim of this work was to verify whether independent and interacting associations of psychosocial stress and inflammation on tryptophan breakdown already exist in children and adolescents as a vulnerable age group...
May 15, 2018: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/29775872/adolescents-motives-for-selling-sex-in-a-welfare-state-a-swedish-national-study
#16
Cecilia Fredlund, Örjan Dahlström, Carl Göran Svedin, Marie Wadsby, Linda S Jonsson, Gisela Priebe
In addition to money or other compensation, other motives for selling sex may be important in a welfare country such as Sweden. The aim of this study was to carry out an exploratory investigation of adolescents' motives for selling sex in a population-based survey in Sweden. A total of 5839 adolescents from the third year of Swedish high school, mean age 18.0 years, participated in the study. The response rate was 59.7% and 51 students (0.9%) reported having sold sex. Exploratory factor analysis and hierarchical cluster analysis were used to identify groups of adolescents according to underlying motives for selling sex...
May 15, 2018: Child Abuse & Neglect
https://www.readbyqxmd.com/read/29775861/screening-methylation-of-dna-repair-genes-in-the-oral-mucosa-of-chronic-smokers
#17
Celina Faig Lima Carta, Mônica Ghislaine Oliveira Alves, Patrícia Pimentel de Barros, Márcia Sampaio Campos, Jaqueline Scholz, Antonio Olavo Cardoso Jorge, Fábio Daumas Nunes, Janete Dias Almeida
OBJECTIVE: The aim of this study was to evaluate the epigenetic changes in the process of oral carcinogenesis by screening the methylation of repair genes in chronic smokers. DESIGN: Two groups were formed: Group 1: 16 smokers with consumption of 20 cigarettes/day for at least 10 years; and Group 2: 10 non-smoking. Exfoliative cytology of the tongue was performed, and the extracted DNA was treated by enzymes. The PCR Array System performed methylation screening to evaluate 22 DNA repair genes, and the results were validated by RT-qPCR for each gene with methylation levels ≥10%...
May 1, 2018: Archives of Oral Biology
https://www.readbyqxmd.com/read/29775859/facilitating-complex-dna-mixture-interpretation-by-sequencing-highly-polymorphic-haplotypes
#18
Lev Voskoboinik, Uzi Motro, Ariel Darvasi
Interpretation of complex DNA mixtures is an ongoing challenge in the field of forensic genetics. Commonly used STR markers are quite polymorphic, enabling very high statistical association between a single source DNA profile from a crime scene and a matching suspect. STR typing of low order mixtures with two and three contributors also commonly produces high statistical association for a contributor, using current interpretation software. However higher order mixtures, with four contributors or more, are more challenging...
May 2, 2018: Forensic Science International. Genetics
https://www.readbyqxmd.com/read/29775845/toward-innovative-combinational-immunotherapy-a-systems-biology-perspective
#19
REVIEW
Xue-Tao Li, Jin-Ji Yang, Yi-Long Wu, Jun Hou
The treatment of non-small-cell lung cancer (NSCLC) has advanced significantly in the last decades. Especially immune checkpoint inhibitors have shown inconceivable effect on enhancing host anti-tumor activity in NSCLC. However, the limitation of checkpoint blockade monotherapy seems unavoidable in most of the NSCLC patients and only ∼20% of them achieved response to monotherapy with immune checkpoint inhibitors. Thus combining immune checkpoint inhibitors with other agents with different action mechanisms holds a promise to revitalize NSCLC treatment, such as the combination of checkpoint inhibitors with angiogenesis inhibitors, or with chemotherapy, as well as the combination of two checkpoint inhibitors...
May 8, 2018: Cancer Treatment Reviews
https://www.readbyqxmd.com/read/29775843/transfer-of-radionuclides-and-dose-assessment-to-ants-and-anthills-in-a-swedish-forest-ecosystem
#20
K Rosén, L Lenoir, K Stark, M Vinichuk, S Sundell-Bergman
In forest ecosystems soil organisms are important for immobilization, translocation and recycling of radionuclides. Still, there is a lack of studies on the role of insects such as ants in the turnover of radionuclides and how radioactivity affects an ant community. In this study seven anthills were sampled in an area that was heavily contaminated after the fallout from the Chernobyl accident. Samples of ant and anthill materials were taken from different depths of the anthills as well as from the surrounding soil and the activity concentrations of 137 Cs were determined...
May 15, 2018: Journal of Environmental Radioactivity
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