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https://www.readbyqxmd.com/read/28821564/sox15-regulates-proliferation-and-migration-of-endometrial-cancer-cells
#1
Xiaohui Rui, Yun Xu, Xiping Jiang, Caixia Guo, Jingting Jiang
The study aimed to investigate the effects of SOX15 on proliferation and migration of endometrial cancer (EC) cells. Immunohistochemistry was applied to determine the expression of SOX15 in EC tissues and adjacent tissues. We used cell transfection method to construct the HEC-1-A and Ishikawa cell lines with stable overexpression and low-expression SOX15 Reverse transcription quantitative real-time PCR (RT-qPCR) and western blot were performed to examine expression of SOX15 mRNA and SOX15 protein respectively...
August 18, 2017: Bioscience Reports
https://www.readbyqxmd.com/read/28818578/can-exercise-training-counteract-doxorubicin-induced-oxidative-damage-of-testis-proteome
#2
José Magalhães, António Ascensão, Ana I Padrão, Inês M Aleixo, Estela Santos-Alves, Sílvia Rocha-Rodrigues, André Ferreira, Luis Korrodi-Gregório, Rui Vitorino, Rita Ferreira, Margarida Fardilha
The use of the chemotherapeutic drug doxorubicin (DOX) is limited by its toxicity in several organs such as testes. So, we analyzed the effect of endurance treadmill exercise training (EX) performed before sub-chronic DOX treatment on sperm count and motility, testes markers of oxidative damage and apoptosis. Tissue profiling of proteins more susceptible to oxidation was made to identify the molecular pathways regulated by oxidative modifications, as nitration and carbonylation. Twenty-four adult male rats were divided into four groups (n=6/group): sedentary saline (SED+SAL), sedentary sub-chronically injected with DOX (2mg-kg-1 per week, during 7 weeks; SED+DOX), 12 weeks trained saline (EX+SAL) and trained treated with DOX (EX+DOX)...
August 14, 2017: Toxicology Letters
https://www.readbyqxmd.com/read/28816551/1%C3%AE-25-dihydroxyvitamin-d3-up-regulates-il-34-expression-in-sh-sy5y-neural-cells
#3
Dong Zhang, Miaomiao Li, Yang Dong, Xinhui Zhang, Xingyun Liu, Zhangming Chen, Yongji Zhu, Huiming Wang, Xuwen Liu, Jialiang Zhu, Yujun Shen, Heinrich Korner, Songcheng Ying, Shengyun Fang, Yuxian Shen
Vitamin D supplementation is regarded as a novel approach to treat Alzheimer's disease, but the underlying mechanism remains elusive. The cytokine IL-34 provides strong neuroprotective and survival signals in brain injury and neurodegeneration and could be an immunological mediator for the vitamin D-induced protection. The aim of this study was to investigate whether human IL-34 is up-regulated in neuronal cells by the hormonally active form of vitamin D, 1α,25-dihydroxyvitamin D3 [1α,25(OH)2D3]. We found that IL-34 was detectable in a variety of cell lines and its expression was strongly induced in SH-SY5Y neural cells in a dose- and time-dependent manner by 1α,25(OH)2D3 through the vitamin D receptor (VDR)...
January 1, 2017: Innate Immunity
https://www.readbyqxmd.com/read/28816457/a-coupled-cluster-investigation-of-sno-radical-isomers-and-their-reactions-with-hydrogen-atom-insight-into-structures-conformers-barriers-and-energetics
#4
Manoj Kumar, Joseph S Francisco
High-level coupled cluster theory with single and double excitation, and including a perturbative triples correction (CCSD(T)) method and a series of Dunning's augmented correlation consistent basis sets, aug-cc-pVXZ (X=D, T, Q and 5) was applied to examine the conformational landscape of SNO radical system. The basis set has an important effect on the relative stability of SNO radical isomers, and the NSO radical is the most stable member of SNO radical family. This is in contrast to previous density functional theory prediction suggesting SNO radical is the most stable isomer...
August 17, 2017: Journal of Physical Chemistry. A
https://www.readbyqxmd.com/read/28815971/topographical-and-electrical-stimulation-of-neuronal-cells-through-microwrinkled-conducting-polymer-biointerfaces
#5
Alberto Bonisoli, Attilio Marino, Gianni Ciofani, Francesco Greco
The development of smart biointerfaces combining multiple functions is crucial for triggering a variety of cellular responses. In this work, wrinkled organic interfaces based on the conducting polymer poly(3,4-ethylene dioxythiophene) doped with poly(styrene sulfonate) are developed with the aim to simultaneously convey electrical and topographical stimuli to cultured cells. The surface wrinkling of thin films on heat-shrink polymer sheets allows for rapid patterning of self-assembled anisotropic topographies characterized by micro/sub-microscale aligned wrinkles...
August 16, 2017: Macromolecular Bioscience
https://www.readbyqxmd.com/read/28815701/lincrna-dyn-lrb2-2-upregulates-cholesterol-efflux-by-decreasing-tlr2-expression-in-macrophages
#6
Yongqiang Li, Shuxin Shen, Shoukun Ding, Lixia Wang
OBJECTIVE: This study is designed to determine whether lincRNA-DYNLRB2-2 could promote cholesterol efflux through regulating the expression of TLR2. METHODS: THP-1 and RAW264.7 cells were incubated with oxLDL for 48 h to induce the formation of foam cells, and ORO staining was performed and intracellular cholesterol contents were measured by HPLC assay. qRT-PCR and Western blotting were performed to detect mRNA and protein expression levels, respectively. Lentiviral vector LV-DYNLRB2-2 and lincRNA-DYNLRB2-2 siRNA was constructed to explore its potential role...
August 16, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28815510/inhibition-of-%C3%AE-secretase-leads-to-an-increase-in-presenilin-1
#7
Aitana Sogorb-Esteve, María-Salud García-Ayllón, Marta Llansola, Vicente Felipo, Kaj Blennow, Javier Sáez-Valero
γ-Secretase inhibitors (GSIs) are potential therapeutic agents for Alzheimer's disease (AD); however, trials have proven disappointing. We addressed the possibility that γ-secretase inhibition can provoke a rebound effect, elevating the levels of the catalytic γ-secretase subunit, presenilin-1 (PS1). Acute treatment of SH-SY5Y cells with the GSI LY-374973 (N-[N-(3,5-difluorophenacetyl)-L-alanyl]-S-phenylglycine t-butyl ester, DAPT) augments PS1, in parallel with increases in other γ-secretase subunits nicastrin, presenilin enhancer 2, and anterior pharynx-defective 1, yet with no increase in messenger RNA expression...
August 16, 2017: Molecular Neurobiology
https://www.readbyqxmd.com/read/28815211/phenotypic-differences-between-asian-and-african-lineage-zika-viruses-in-human-neural-progenitor-cells
#8
Fatih Anfasa, Jurre Y Siegers, Mark van der Kroeg, Noreen Mumtaz, V Stalin Raj, Femke M S de Vrij, W Widagdo, Gülsah Gabriel, Sara Salinas, Yannick Simonin, Chantal Reusken, Steven A Kushner, Marion P G Koopmans, Bart Haagmans, Byron E E Martina, Debby van Riel
Recent Zika virus (ZIKV) infections have been associated with a range of neurological complications, in particular congenital microcephaly. Human neural progenitor cells (hNPCs) are thought to play an important role in the pathogenesis of microcephaly, and experimental ZIKV infection of hNPCs has been shown to induce cell death. However, the infection efficiency and rate of cell death have varied between studies, which might be related to intrinsic differences between African and Asian lineage ZIKV strains...
July 2017: MSphere
https://www.readbyqxmd.com/read/28814090/melatonin-a-hepatoprotective-agent-against-radioiodine-toxicity-in-rats
#9
A M Barlas, M Sadic, H I Atilgan, Y M Bag, A K Onalan, N Yumusak, M Senes, V Fidanci, M R Pekcici, M Korkmaz, K Kismet, G Koca
OBJECTIVES: The aim of the current study was to investigate the possible radioprotective effects of melatonin against hepatic radioiodine (RAI) toxicity. METHODS: Thirty-six rats were randomly divided into three groups: untreated control (Group 1); oral radioiodine (RAI, 111 MBq) administrated rats (Group 2), and melatonin group (oral RAI and daily intraperitoneal injection of 12 mg/kg melatonin-Group 3). In the third group, melatonin administration was started two days before and continued for five days after RAI administration...
2017: Bratislavské Lekárske Listy
https://www.readbyqxmd.com/read/28813867/therapeutic-effects-of-anti-gravity-treadmill-alterg-training-on-reflex-hyper-excitability-corticospinal-tract-activities-and-muscle-stiffness-in-children-with-cerebral-palsy
#10
Sh Parvin, A Taghiloo, A Irani, M Mehdi Mirbagheri
We aimed to study therapeutic effects of antigravity treadmill (AlterG) training on reflex hyper-excitability, muscle stiffness, and corticospinal tract (CST) function in children with spastic hemiplegic cerebral palsy (CP). Three children received AlterG training 3 days per week for 8 weeks as experimental group. Each session lasted 45 minutes. One child as control group received typical occupational therapy for the same amount of time. We evaluated hyper-excitability of lower limb muscles by H-reflex response...
July 2017: IEEE ... International Conference on Rehabilitation Robotics: [proceedings]
https://www.readbyqxmd.com/read/28813801/therapeutic-effects-of-an-anti-gravity-locomotor-training-alterg-on-postural-balance-and-cerebellum-structure-in-children-with-cerebral-palsy
#11
A H Rasooli, P M Birgani, Sh Azizi, A Shahrokhi, M M Mirbagheri
We evaluated the therapeutic effects of anti-gravity locomotor treadmill (AlterG) training on postural stability in children with Cerebral Palsy (CP) and spasticity, particularly in the lower extremity. AlterG can facilitate walking by reducing the weight of CP children by up to 80%; it can also help subjects maintain an appropriate posture during the locomotor AlterG training. Thus, we hypothesized that AlterG training, for a sufficient period of time, has a potential to produce cerebellum neuroplasticity, and consequently result in an effective permanent postural stability...
July 2017: IEEE ... International Conference on Rehabilitation Robotics: [proceedings]
https://www.readbyqxmd.com/read/28813475/evaluation-of-the-adaptogenic-potential-exerted-by-ginsenosides-rb1-and-rg1-against-oxidative-stress-mediated-neurotoxicity-in-an-in-vitro-neuronal-model
#12
Carlos Fernández-Moriano, Elena González-Burgos, Irene Iglesias, Rafael Lozano, M Pilar Gómez-Serranillos
BACKGROUND: Ginseng (Panax sp.) is a drug with multiple pharmacological actions that has been largely used in traditional medicines for the treatment of many health problems. In the therapy of neurodegenerative disorders, it has been employed due to its capacity to strengthen mental processes by enhancing cognitive performance and psychological function. Current work aimed at evaluating the adaptogenic potential of Rb1 and Rg1 against oxidative-stress mediated degeneration in a model of nervous cells...
2017: PloS One
https://www.readbyqxmd.com/read/28813012/inhibitory-effect-of-lycopene-on-amyloid-%C3%AE-induced-apoptosis-in-neuronal-cells
#13
Sinwoo Hwang, Joo Weon Lim, Hyeyoung Kim
Alzheimer's disease (AD) is a fatal neurodegenerative disease. Brain amyloid-β deposition is a crucial feature of AD, causing neuronal cell death by inducing oxidative damage. Reactive oxygen species (ROS) activate NF-κB, which induces expression of Nucling. Nucling is a pro-apoptotic factor recruiting the apoptosome complex. Lycopene is an antioxidant protecting from oxidative stress-induced cell damage. We investigated whether lycopene inhibits amyloid-β-stimulated apoptosis through reducing ROS and inhibiting mitochondrial dysfunction and NF-κB-mediated Nucling expression in neuronal SH-SY5Y cells...
August 16, 2017: Nutrients
https://www.readbyqxmd.com/read/28812957/examining-gender-bias-in-the-feedback-shared-with-family-medicine-residents
#14
Chantal Loeppky, Oksana Babenko, Shelley Ross
OBJECTIVES: Competency-based education places increasing emphasis on formative feedback to learners as part of the assessment process. We wished to determine if gender bias was present in the feedback shared with post-graduate medical trainees (residents) in a two-year family medicine residency program at a Canadian university. METHODS: We performed secondary data analyses of documented feedback (FieldNotes) extracted from the Competency-Based Achievement System database...
August 16, 2017: Education for Primary Care
https://www.readbyqxmd.com/read/28812231/the-neuroprotective-effect-of-conditioned-medium-from-human-adipose-derived-mesenchymal-stem-cells-is-impaired-by-n-acetyl-cysteine-supplementation
#15
Teodoro Palomares, María Cordero, Cristina Bruzos-Cidon, María Torrecilla, Luisa Ugedo, Ana Alonso-Varona
Oxidative stress is a common feature in neurodegenerative diseases associated with neuroinflammation, and therefore, has been proposed as a key target for novel therapies for these diseases. Recently, adipose-derived stem cell (ASC)-based cell therapy has emerged as a novel strategy for neuroprotection. In this study, we evaluate the therapeutic role of ASC-conditioned medium (ASC-CM) against H2O2-induced neurotoxicity in a new in vitro model of ec23/brain-derived neurotrophic factor (BDNF)-differentiated human SH-SY5Y neuron-like cells (SH-SY5Yd)...
August 15, 2017: Molecular Neurobiology
https://www.readbyqxmd.com/read/28812176/effects-of-sodium-houttuyfonate-on-pulmonary-inflammation-in-copd-model-rats
#16
Zhonghua Wu, Bo Tan, Haiying Zhang, Yinuo Guo, Yanjie Tu, Furong Qiu, Aidong Yang
The anti-inflammatory effect of sodium houttuyfonate (SH), an herbal-originated drug that used in China clinically, was investigated on chronic obstructive pulmonary disease (COPD) inflammatory model rats induced by combination usage of cigarette smoke (CS) and lipopolysaccharide (LPS). The morphology of the lung tissue, the expression levels of cytokines in the bronchoalveolar lavage fluid (BALF), the protein levels of TLR4, NF-κB p65, and SIGIRR, and the mRNA levels of TLR4, MyD88, NF-κB p65, and SIGIRR in lung tissues were investigated, respectively...
August 15, 2017: Inflammation
https://www.readbyqxmd.com/read/28812167/superficial-hemangioma-is-better-treated-by-topical-5-aminolevulinic-followed-by-595-nm-pulsed-dye-laser-therapy-rather-than-595-nm-laser-therapy-alone
#17
Ming Zeng, Songke Shen, Wei Chen, Chunjun Yang, ShengXiu Liu
The aim of this study was to compare the efficacy and adverse effects of a 595-nm pulsed dye laser therapy alone (PDL alone) with a 5-aminolevulinic (5-ALA) local application followed by a 595-nm PDL (5-ALA PDL) in the treatment of superficial hemangioma (SH). A prospectively randomized study in 181 patients with SH was carried out over a period of 24 months. One hundred and ninety-three patients were seen. One hundred and eighty-one patients with SH were enrolled, of which 165 completed final follow-up. One hundred and nineteen patients received PDL alone and 46 received 5-ALA PDL...
August 16, 2017: Lasers in Medical Science
https://www.readbyqxmd.com/read/28811853/effects-of-sevelamer-hydrochloride-on-uremic-toxins-serum-indoxyl-sulfate-and-p-cresyl-sulfate-in-hemodialysis-patients
#18
Cheng-Jui Lin, Chi-Feng Pan, Chih-Kuang Chuang, Hsuan-Liang Liu, Sung-Fa Huang, Han-Hsiang Chen, Chih-Jen Wu
BACKGROUND: Beside the phosphate binding effect, non-calcium non-aluminum phosphate binder, namely sevelamer hydrochloride (SH), has many other effects in dialysis patients. It can absorb many other compounds, decrease low-density lipoprotein cholesterol (LDL-C) level, and attenuate the progression of vascular calcification; it has been reported to have anti-inflammatory effect. However, it is not clear whether it has any effect on uremic toxins, i.e. serum indoxyl sulfate (IS) and p-cresyl sulfate, (PCS) in hemodialysis (HD) patients...
September 2017: Journal of Clinical Medicine Research
https://www.readbyqxmd.com/read/28809129/effect-of-methotrexate-vitamin-b12-on-dna-methylation-as-a-potential-factor-in-leukemia-treatment-related-neurotoxicity
#19
Victoria J Forster, Alex McDonnell, Rachel Theobald, Jill A McKay
Methotrexate (MTX) is administered to treat childhood acute lymphoblastic leukemia (ALL). It acts by inhibiting dihydrofolate reductase which reduces methyltetrahydrofolate, a key component in one carbon metabolism, thus reducing cell proliferation. Further perturbations to one carbon metabolism, such as reduced vitamin B12 levels via the use of nitrous oxide for sedation during childhood ALL treatment, may increase neurotoxicity risk. With B12 as an enzymatic cofactor, methyltetrahydrofolate is essential to produce methionine, which is critical for DNA methylation...
August 15, 2017: Epigenomics
https://www.readbyqxmd.com/read/28808305/multipolar-second-harmonic-generation-in-a-symmetric-nonlinear-metamaterial
#20
Omri Wolf, Salvatore Campione, Yuanmu Yang, Igal Brener
Optical nonlinearities are intimately related to the spatial symmetry of the nonlinear media. For example, the second order susceptibility vanishes for centrosymmetric materials under the dipole approximation. The latter concept has been naturally extended to the metamaterials' realm, sometimes leading to the (erroneous) hypothesis that second harmonic (SH) generation is negligible in highly symmetric meta-atoms. In this work we aim to show that such symmetric meta-atoms can radiate SH light efficiently. In particular, we investigate in-plane centrosymmetric meta-atom designs where the approximation for meta-atoms breaks down...
August 14, 2017: Scientific Reports
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