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https://www.readbyqxmd.com/read/28648006/-0-5-gy-x-ray-radiation-promotes-osteoblast-differentiation-by-wnt-%C3%AE-catenin-signaling
#1
M Chen, Q R Dong, Q Huang, C She, W Xu
Objective: To investigate the important roles of Wnt signaling in the processes of 0.5Gy X-ray promoting osteoblast differentiation, and make clear the molecular mechanisms involved. Methods: Flow cytometry was employed to detect the apoptosis after osteoblast exposure to 0.5 Gy X-ray radiation.The protein level of osteoblast differentiation markers, such as collagen Iα (Col1α), alkaline phosphatase (ALP), osteocalcin (OCN), were detected by Western-blot and ALP activity staining was performed. Real-time PCR and Western-blot were utilized to evaluate the variations of key factors in Wnt signaling pathways, while specific inhibitor of Wnt/β-Catenin, XAV939 was used to block the Wnt signaling...
June 20, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/28648003/-curative-effect-analysis-of-15-cases-of-cervical-intra-and-extra-spinal-tumors-by-microsurgical-resection
#2
Y Han, X L Zheng, L Li, Z Q Jiang, F Y Lou, S J Zhang
Objective: To explore the curative effect of microsurgical treatment of cervical intra- and extra-spinal tumors. Methods: The clinical data of 15 patients with cervical intra-and extra-spinal tumors in Department of Neurosurgery, the First Affiliated Hospital of Bengbu Medical College from January 2013 to February 2017 were retrospectively analyzed. According to Shaw's tumor stage: 6 cases in stage Ⅰ, 5 cases in stage Ⅱ, 3 cases in stage Ⅲ, and 1 case in stage Ⅳ. About the surgical methods: 9 cases were treated via posterior median semi-laminectomy approach, of which were internal fixation in 2 cases, and via posterior median approach spinous process and vertebral plate complex orthotopic replantation to spinal canal plasty in 3 cases, other 3 cases were operated via anterior cervical approach, including internal fixation in 1 case...
June 20, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/28647973/-study-on-the-immunization-status-and-its-influencing-factors-among-workers-from-the-polio-network-laboratories-in-china
#3
Y S Guo, J Q Wang, C Xu, Y N Liu, X H He, Q Wei
Objective: To Investigate the immune status and influencing factors of provincial polio network laboratory (PNL) workers in China so as to provide evidence for the development of related strategies to protect personnel working at the PNLs. Methods: All the practitioners from the PNLs at the provincial centers for disease control, were selected as objects for this study, from October to December, 2016, under a questionnaire survey. Information on status of immunity and influencing factors was collected, with SAS software, trend chi-square used for statistics analysis...
June 10, 2017: Zhonghua Liu Xing Bing Xue za Zhi, Zhonghua Liuxingbingxue Zazhi
https://www.readbyqxmd.com/read/28647971/-association-between-body-fat-percentage-visceral-fat-index-and-cardiometabolic-risk-factor-clustering-among-population-aged-35-year-old-or-over-in-tibet-autonomous-region-and-xinjiang-uygur-autonomous-region
#4
J L Wang, Z Chen, L F Zhang, X Wang, Y Dong, J Y Nie, C Y Zheng, L Shao, Y Tian, Z W Wang
Objective: To investigate the association between body fat percentage (BFP), visceral fat index (VFI) and Cardiometabolic Risk Factor Clustering (CRFC), among population aged 35 or older in Tibet and Xinjiang areas. Methods: Using the stratified multi-stage random sampling method, 7 571 residents aged 35 or above were examined with international standardized examination between 2015 and 2016. Of the eligible 5 643 participants, association of BFP and VFI with CRFC was defined as having two or more of the four risk factors: hypertension, diabetes mellitus, high TG and low HDL-C, at the same time...
June 10, 2017: Zhonghua Liu Xing Bing Xue za Zhi, Zhonghua Liuxingbingxue Zazhi
https://www.readbyqxmd.com/read/28647872/identification-and-characterization-of-intramolecular-%C3%AE-halo-interaction-in-d-0-complexes-a-theoretical-approach
#5
Tanay Debnath, Tamalika Ash, Subhendu Sarkar, Abhijit K Das
A mechanistic investigation to detect intramolecular M⋯X-C type interactions in d(0) neutral and cationic complexes was carried out through a benchmark study employing different density functional methods. As γ-halogen is involved in M⋯X-C type interactions, it is denoted as a γ-halo interaction and the respective conformers are designated as halo-conformers. By analyzing the geometrical parameters of halo-conformers, it was observed that, irrespective of the nature of the metal and the halogen, the Cγ-X bond distance increases compared to the usual C-X bond, which brings the M and X centers close enough to generate a weak interaction...
July 2017: Journal of Molecular Modeling
https://www.readbyqxmd.com/read/28647832/genetic-dissection-of-adventitious-shoot-regeneration-in-roses-by-employing-genome-wide-association-studies
#6
Thi Hong Nhung Nguyen, Dietmar Schulz, Traud Winkelmann, Thomas Debener
We analysed the capacity to regenerate adventitious shoots in 96 rose genotypes and found 88 SNP markers associated with QTLs, some of which are derived from candidate genes for shoot regeneration. In an association panel of 96 rose genotypes previously analysed for petal colour, we conducted a genome-wide association study on the capacity of leaf petioles for direct shoot regeneration. Shoot regeneration rate and shoot ratio (number of shoots/total number of explants) were used as phenotypic descriptors for regeneration capacity...
June 24, 2017: Plant Cell Reports
https://www.readbyqxmd.com/read/28647779/transcriptome-profiling-and-digital-gene-expression-analysis-of-the-skin-of-dybowski-s-frog-rana-dybowskii-exposed-to-aeromonas-hydrophila
#7
Yi-Gang Xu, Long-Hui Chai, Wen Shi, Dan-Dan Wang, Jing-Yu Zhang, Xiang-Hong Xiao
Recently, populations of Rana dybowskii, an important amphibian species in Northeast China, have decreased, mainly owing to the disease caused by Aeromonas hydrophila. However, effective control methods have not yet been developed. In order to explore the immune responses of R. dybowskii upon exposure to A. hydrophila infection, Illumina high-throughput transcriptome sequencing and digital gene expression (DGE) technology were employed to investigate transcriptomic changes in the skin of R. dybowskii exposed to A...
June 24, 2017: Applied Microbiology and Biotechnology
https://www.readbyqxmd.com/read/28647697/analysis-of-k-ras-interactions-by-biotin-ligase-tagging
#8
Christopher Ritchie, Andrew Mack, Logan Harper, Ayna Alfadhli, Philip J S Stork, Xiaolin Nan, Eric Barklis
BACKGROUND: Mutations of the human K-Ras 4B (K-Ras) G protein are associated with a significant proportion of all human cancers. Despite this fact, a comprehensive analysis of K-Ras interactions is lacking. Our investigations focus on characterization of the K-Ras interaction network. MATERIALS AND METHODS: We employed a biotin ligase-tagging approach, in which tagged K-Ras proteins biotinylate neighbor proteins in a proximity-dependent fashion, and proteins are identified via mass spectrometry (MS) sequencing...
July 2017: Cancer Genomics & Proteomics
https://www.readbyqxmd.com/read/28647673/constitutive-differences-in-glucocorticoid-responsiveness-to-stress-are-related-to-variation-in-aggression-and-anxiety-related-behaviors
#9
Sophie E Walker, Olivia Zanoletti, Isabelle Guillot de Suduiraut, Carmen Sandi
Glucocorticoids coordinate responses that enable an individual to cope with stressful challenges and, additionally, mediate adaptation following cessation of a stressor. There are important individual differences in the magnitude of glucocorticoid responsiveness to stressors. However, whether individual differences in glucocorticoid responsiveness to stress are linked to different behavioral strategies in coping with social and non-social challenges is not easily studied, owing to the lack of appropriate animal models...
June 16, 2017: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/28647647/itraq-based-quantitative-analysis-of-alveolar-bone-resorption-in-rats-with-experimental-periodontitis
#10
Weidong Yang, Yafan Gao, Yajie Qian, Jingjing Li, Qingang Hu
OBJECTIVE: Periapical periodontitis results in alveolar bone resorption around the root apex. During the progression of inflammation, host cells release various inflammatory mediators and pro-inflammatory cytokines through immune responses. However, the pathological mechanisms associated with periapical bone destruction remain unclear. This study was objected to identify differentially regulated proteins in periapical periodontitis via a quantitative proteomics approach using isobaric tags for relative and absolute quantification (iTRAQ) labelling of peptides...
June 13, 2017: Archives of Oral Biology
https://www.readbyqxmd.com/read/28647633/nicotine-dependence-and-willingness-to-quit-smoking-in-vascular-surgery-patients
#11
Matthew R Smeds, Anna Privratsky, Carol R Thrush, Claudia P Barone, Guillermo A Escobar, Ahsan T Ali, Mohammed M Moursi
OBJECTIVE: Smoking rates have declined, however it remains the primary modifiable risk factor for vascular disease. While vascular surgeons often advise patients to quit, few provide assistance. We sought to understand patients' interest in quitting and determine factors that influence this willingness to quit. METHODS: Anonymous surveys were given to vascular surgery clinic patients in a single institution over a 5-month period. Demographic information, smoking status, cessation attempts, and barriers to quitting were obtained...
June 21, 2017: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/28647616/photodynamic-therapy-in-dermatology-beyond-non-melanoma-cancer-an-update
#12
REVIEW
Xiang Wen, Yong Li, Michael R Hamblin
Photodynamic therapy (PDT) employs a photosensitizer (PS) and visible light in the presence of oxygen, leading to production of cytotoxic reactive oxygen species, which can damage the cellular organelles and cause cell death. In dermatology PDT has usually taken the form of topical application of a precursor in the heme biosynthesis pathway, called 5-aminolevulinic acid (or its methyl ester), so that an active PS, protoporphyrin IX accumulates in the skin. As PDT enhances dermal remodeling and resolves chronic inflamation, it has been used to treat cutaneous disorders include actinic keratoses, acne, viral warts, skin rejuvenation, psoriasis, localized scleroderma, some non-melanoma skin cancers and port-wine stains...
June 21, 2017: Photodiagnosis and Photodynamic Therapy
https://www.readbyqxmd.com/read/28647607/bioaccessibility-and-risk-assessment-of-essential-and-non-essential-elements-in-vegetables-commonly-consumed-in-swaziland
#13
Robert Londi Mnisi, Peter P Ndibewu, Lihle D Mafu, Gabriel C Bwembya
The green leafy vegetables (Mormodica involucrate, Bidens pilosa and Amaranthus spinosus) are economic; seasonal; locally grown and easily available; easy to propagate and store; highly nutritious food substances that form an important component of diets. This study applies a physiology based extraction technique (PBET) to mimic digestion of these vegetables to determine the fraction of essential (Fe and Zn) and non-essential elements (Cd, Cr and Pb) that are made available for absorption after ingestion. Prior to the application of the PBET, the vegetables were cooked adopting indigenous Swazi cooking methods...
June 22, 2017: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/28647567/stearoyl-coa-desaturase-regulates-sorafenib-resistance-via-modulation-of-er-stress-induced-differentiation
#14
Mark Kin Fai Ma, Eunice Yuen Ting Lau, Doris Hoi Wing Leung, Jessica Lo, Nicole Pui Yu Ho, Lily Kwan Wai Cheng, Stephanie Ma, Chi Ho Lin, John A Copland, Jin Ding, Regina Cheuk Lam Lo, Irene Oi Lin Ng, Terence Kin Wah Lee
We investigated the functional role and clinical significance of Stearoyl CoA desaturase-1 (SCD1) mediated endoplasmic reticulum (ER) stress in regulation of liver tumor-initiating cells (T-ICs) and sorafenib resistance, aiming to develop a novel therapeutic strategy against hepatocellular carcinomas (HCCs) METHODS We evaluated the clinic-pathological relevance of SCD1 and its correlation with sorafenib resistance in large cohorts of HCC clinical samples by qPCR and immunohistochemical analyses. Lentiviral-based overexpression and knockdown approaches were performed to characterize functional roles of SCD1 in regulation of liver T-ICs and sorafenib resistance...
June 21, 2017: Journal of Hepatology
https://www.readbyqxmd.com/read/28647549/motivational-interviewing-improves-sustainable-return-to-work-in-injured-workers-after-rehabilitation-a-cluster-randomized-controlled-trial
#15
Douglas P Gross, Joanne Park, Fahreen Rayani, Colleen M Norris, Shaniff Esmail
OBJECTIVE: To examine whether motivational interviewing (MI) leads to more sustainable return-to-work outcomes for injured workers undergoing rehabilitation. MI is a client-centred counselling approach that facilitates behavioural change through identifying and resolving ambivalence. DESIGN: A cluster randomised controlled trial was conducted with analysis at level of claimant (registration ISRCTN45748422). SETTING: The study was conducted at a workers' compensation rehabilitation facility in Edmonton, Canada...
June 21, 2017: Archives of Physical Medicine and Rehabilitation
https://www.readbyqxmd.com/read/28647548/the-bioeconomy-in-poland-within-the-context-of-the-european-union
#16
REVIEW
Ewa Woźniak, Tomasz Twardowski
This article outlines the potential of the development of bioeconomy in Poland in the context of the European Union (EU). The analyses take into account the concept of bioeconomy, the overview of documents referring to the bioeconomy in the EU, including policy frameworks and agendas. Many countries including Poland emphasise the importance of bioeconomy, but have not yet developed a complex strategy. The state of bioeconomy in Poland is characterised by the sectors of agriculture, forestry and food production, as well as parts of the chemical, biotechnology and energy industries...
June 21, 2017: New Biotechnology
https://www.readbyqxmd.com/read/28647547/beyond-education-and-income-identifying-novel-socioeconomic-correlates-of-cigarette-use-in-u-s-young-adults
#17
Andrea C Villanti, Amanda L Johnson, Jessica M Rath
Young adulthood is defined by transitions in family life, living situations, educational settings, and employment. As a result, education and income may not be appropriate measures of socioeconomic status (SES) in young people. Using a national sample of young adults aged 18-34 (n=3364; collected February 2016), we explored novel socioeconomic correlates of ever cigarette use, past 30-day cigarette use, and daily cigarette use, weighted to account for non-response. Measures of SES assessed current education, household income, employment status, and subjective financial situation (SFS) and childhood SES (maternal and paternal education, SFS during childhood, parental divorce before age 18)...
June 21, 2017: Preventive Medicine
https://www.readbyqxmd.com/read/28647483/demands-on-response-inhibition-processes-determine-modulations-of-theta-band-activity-in-superior-frontal-areas-and-correlations-with-pupillometry-implications-for-the-norepinephrine-system-during-inhibitory-control
#18
Gabriel Dippel, Moritz Mückschel, Tjalf Ziemssen, Christian Beste
Response inhi bition processes are important for goal-directed behavior and particularly demanded when it is unlikely to inhibit automatically executed responses. It has been suggested that the norepinephrine (NE) system is important to consider for such likelihood effects. As an indirect measure of the NE system activity we used the pupil diameter and integrated this data with neurophysiological (EEG) data and beamforming analyses. The study shows that inhibitory control processes reflected by theta oscillations are strongly modulated by the likelihood to employ these processes and that these mechanisms were related to neural processes in the SMA and SFG...
June 21, 2017: NeuroImage
https://www.readbyqxmd.com/read/28647464/data-against-a-common-assumption-xenogeneic-mouse-models-can-be-used-to-assay-suppression-of-immunity-by-human-mscs
#19
REVIEW
Darwin J Prockop, Joo Youn Oh, Ryang Hwa Lee
Much of what we know about immunology suggests that little is to be gained from experiments in which human cells are administered to immunocompetent mice. Multiple reports have demonstrated that this common assumption does not hold for experiments with human mesenchymal stem/stromal cells (hMSCs). The data demonstrate that hMSCs can suppress immune responses to a variety of stimuli in immunocompetent mice by a range of different mechanisms that are similar to those employed by mouse MSCs. Therefore, further experiments with hMSCs in mice will make it possible to generate preclinical data that will improve both the efficacy and safety of the clinical trials with the cells that are now in progress...
June 21, 2017: Molecular Therapy: the Journal of the American Society of Gene Therapy
https://www.readbyqxmd.com/read/28647426/age-related-changes-in-structural-connectivity-are-improved-using-subject-specific-thresholding
#20
Corinna M Bauer, Lauren E Zajac, Bang-Bon Koo, Ronald J Killiany, Lotfi B Merabet
BACKGROUND: Deterministic diffusion tractography obtained from high angular resolution diffusion imaging (HARDI) requires user-defined quantitative anisotropy (QA) thresholds. Most studies employ a common threshold across all subjects even though there is a strong degree of individual variation within groups. We sought to explore whether it would be beneficial to use individual thresholds in order to accommodate individual variance. To do this, we conducted two independent experiments...
June 21, 2017: Journal of Neuroscience Methods
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