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https://www.readbyqxmd.com/read/28212583/role-of-topk-in-lipopolysaccharide-induced-breast-cancer-cell-migration-and-invasion
#1
Min-Ah Seol, Jung-Hwan Park, Ji Heun Jeong, Jungmook Lyu, Seung Yun Han, Sang-Muk Oh
Inflammation has been known to be linked to invasion or metastasis of breast cancer, which has poor prognosis, although the regulatory mechanism remains to be undiscovered. Here we show that T-LAK cell-originated protein kinase (TOPK) mediates pro-inflammatory endotoxin lipopolysaccharide (LPS)-induced breast cancer cell migration and invasion. The mRNA or protein level of TOPK, toll- like receptor4 (TLR4), interleukin (IL)-6, vascular endothelial growth factor (VEGF) or matrix metalloproteinase9 (MMP9) genes related to TLR4 signaling or tumor progression was induced by LPS treatment in MCF7 breast cancer cells, but the induction was abolished by stable knocking down of TOPK in MCF7 cells...
February 15, 2017: Oncotarget
https://www.readbyqxmd.com/read/28212565/the-mir-675-5p-regulates-the-progression-and-development-of-pancreatic-cancer-via-the-ubqln1-zeb1-mir200-axis
#2
Jue Wang, Youli Zhang, Hong Wei, Xingxing Zhang, Yan Wu, Aihua Gong, Yu Xia, Wenbing Wang, Min Xu
Pancreatic cancer (PC) is a highly lethal disease due to extensive metastatic lesions. Accumulating evidence suggests that miR-675-5p plays different roles in metastasis through the regulation of epithelial to mesenchymal (EMT) and the mesenchymal to epithelial transitions (MET) in different cancers. ZEB1 promotes the EMT process by controlling the expression of E-cadherin and may have a reciprocal regulation with Ubiquilin1 (UBQLN1) and mir-200 family in cancer progression. In the present study, we showed that decreased expression of miR-675-5p is associated with the enhanced cell proliferation and survival of PC cells, while the increased expression of mir-675-5p shows the opposite one...
February 15, 2017: Oncotarget
https://www.readbyqxmd.com/read/28212562/overexpression-of-mir-29a-reduces-the-oncogenic-properties-of-glioblastoma-stem-cells-by-downregulating-quaking-gene-isoform-6
#3
Zhuo Xi, Ping Wang, Yixue Xue, Chao Shang, Xiaobai Liu, Jun Ma, Zhiqing Li, Zhen Li, Min Bao, Yunhui Liu
Glioblastoma is the most common type of malignant primary brain tumor and has high recurrence and lethality rates. Glioblastoma stem cells (GSCs), a subpopulation of glioblastoma cells, may promote rapid tumor recurrence and therapy resistance. Because altered microRNA (miR) expression in GSCs may lead to glioblastoma progression, we assessed the effects of miR-29a expression on the oncogenic behavior of GSCs. MiR-29a expression was lower in GSCs than non-GSCs, and overexpression of miR-29a in GSCs inhibited cell proliferation, migration and invasion, but promoted apoptosis...
February 15, 2017: Oncotarget
https://www.readbyqxmd.com/read/28212550/plcb4-copy-gain-and-plc%C3%A3-4-overexpression-in-primary-gastrointestinal-stromal-tumors-integrative-characterization-of-a-lipid-catabolizing-enzyme-associated-with-worse-disease-free-survival
#4
Chien-Feng Li, Ting-Ting Liu, I-Chieh Chuang, Yen-Yang Chen, Fu-Min Fang, Ti-Chun Chan, Wan-Shan Li, Hsuan-Ying Huang
To explore the implications of lipid catabolism-associated genes in gastrointestinal stromal tumors, we reappraised transcriptomic and genomic datasets and identified copy-gained and differentially upregulated PLCB4 gene associated with tumor progression. On full sections, PLCB4 mRNA abundance and PLCß4 immunoexpression were validated in 70 cases. On tissue microarrays, PLCB4 gene copies and PLCß4 immunoexpression were both informative in 350 cases with KIT/PDGFRA/BRAF genotypes noted in 213. In GIST48 cell line, we stably silenced PLCB4 and YAP1 to characterize their functional effects and regulatory link...
February 13, 2017: Oncotarget
https://www.readbyqxmd.com/read/28212407/epidemiology-of-low-proteinuric-chronic-kidney-disease-in-renal-clinics
#5
Luca De Nicola, Michele Provenzano, Paolo Chiodini, Silvio Borrelli, Luigi Russo, Antonio Bellasi, Domenico Santoro, Giuseppe Conte, Roberto Minutolo
CKD patients with low-grade proteinuria (LP) are common in nephrology clinics. However, prevalence, characteristics, and the competing risks of ESRD and death as the specific determinants, are still unknown. We analyzed epidemiological features of LP status in a prospective cohort of 2,340 patients with CKD stage III-V referred from ≥6 months in 40 nephrology clinics in Italy. LP status was defined as proteinuria <0.5 g/24h according to current KDIGO guidelines. Patients with higher proteinuria constituted the control group (CON)...
2017: PloS One
https://www.readbyqxmd.com/read/28212322/detection-of-salmonella-typhimurium-on-spinach-using-phage-based-magnetoelastic-biosensors
#6
Fengen Wang, Shin Horikawa, Jiajia Hu, Howard C Wikle, I-Hsuan Chen, Songtao Du, Yuzhe Liu, Bryan A Chin
Phage-based magnetoelastic (ME) biosensors have been studied as an in-situ, real-time, wireless, direct detection method of foodborne pathogens in recent years. This paper investigates an ME biosensor method for the detection of Salmonella Typhimurium on fresh spinach leaves. A procedure to obtain a concentrated suspension of Salmonella from contaminated spinach leaves is described that is based on methods outlined in the U.S. FDA Bacteriological Analytical Manual for the detection of Salmonella on leafy green vegetables...
February 16, 2017: Sensors
https://www.readbyqxmd.com/read/28212319/a-validated-stability-indicating-hplc-method-for-simultaneous-determination-of-amoxicillin-and-enrofloxacin-combination-in-an-injectable-suspension
#7
Nidal Batrawi, Shorouq Wahdan, Fuad Al-Rimawi
The combination of amoxicillin and enrofloxacin is a well-known mixture of veterinary drugs; it is used for the treatment of Gram-positive and Gram-negative bacteria. In the scientific literature, there is no high-performance liquid chromatography (HPLC)-UV method for the simultaneous determination of this combination. The objective of this work is to develop and validate an HPLC method for the determination of this combination. In this regard, a new, simple and efficient reversed-phase HPLC method for simultaneous qualitative and quantitative determination of amoxicillin and enrofloxacin, in an injectable preparation with a mixture of inactive excipients, has been developed and validated...
February 16, 2017: Scientia Pharmaceutica
https://www.readbyqxmd.com/read/28212299/exogenous-and-endogenous-hydrogen-sulfide-protects-gastric-mucosa-against-the-formation-and-time-dependent-development-of-ischemia-reperfusion-induced-acute-lesions-progressing-into-deeper-ulcerations
#8
Marcin Magierowski, Katarzyna Magierowska, Magdalena Hubalewska-Mazgaj, Zbigniew Sliwowski, Robert Pajdo, Grzegorz Ginter, Slawomir Kwiecien, Tomasz Brzozowski
Hydrogen sulfide (H₂S) is an endogenous mediator, synthesized from l-cysteine by cystathionine γ-lyase (CSE), cystathionine β-synthase (CBS) or 3-mercaptopyruvate sulfurtransferase (3-MST). The mechanism(s) involved in H₂S-gastroprotection against ischemia/reperfusion (I/R) lesions and their time-dependent progression into deeper gastric ulcerations have been little studied. We determined the effect of l-cysteine, H₂S-releasing NaHS or slow H₂S releasing compound GYY4137 on gastric blood flow (GBF) and gastric lesions induced by 30 min of I followed by 3, 6, 24 and 48 h of R...
February 15, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28212257/matched-case-control-comparative-study-of-laparoscopic-versus-open-pancreaticoduodenectomy-for-malignant-lesions
#9
Yazan S Khaled, Kavi Fatania, Jenifer Barrie, Nicola De Liguori, Rahul Deshpande, Derek A O'Reilly, Basil J Ammori
INTRODUCTION: Advances in surgical technologies allowed safe laparoscopic pancreaticoduodenectomy (LPD). The aim of this study is to compare the oncologic outcomes of LPD to open pancreaticoduodenectomy (OPD) in terms of safety and recurrence rate. MATERIALS AND METHODS: A cohort of 30 patients were matched for age, sex, American Society of Anaesthesiologists, tumor size, pancreatic duct diameter, and histopathologic diagnosis on a 1:1 basis (15 LPD, 15 OPD). Comparison between groups was performed on intention-to-treat basis...
February 16, 2017: Surgical Laparoscopy, Endoscopy & Percutaneous Techniques
https://www.readbyqxmd.com/read/28212205/spontaneous-breathing-during-extracorporeal-membrane-oxygenation-in-acute-respiratory-failure
#10
Stefania Crotti, Nicola Bottino, Giulia Maria Ruggeri, Elena Spinelli, Daniela Tubiolo, Alfredo Lissoni, Alessandro Protti, Luciano Gattinoni
BACKGROUND: We evaluate the clinical feasibility of spontaneous breathing on extracorporeal membrane oxygenation and the interactions between artificial and native lungs in patients bridged to lung transplant or with acute exacerbation of chronic obstructive pulmonary disease (COPD) or acute respiratory distress syndrome. METHODS: The clinical course of a total of 48 patients was analyzed. Twenty-three of 48 patients were enrolled in the prospective study (nine bridged to lung transplant, six COPD, and eight acute respiratory distress syndrome)...
February 17, 2017: Anesthesiology
https://www.readbyqxmd.com/read/28212110/the-impact-of-chewing-gum-on-halitosis-parameters-a-systematic-review
#11
Francisco Wilker Mustafa Gomes Muniz, Stephanie Anagnostopoulos Friedrich, Carina Folgearini Silveira, Cassiano Kuchenbecker Rösing
This study aimed to analyze the impact of chewing gum on halitosis parameters. Three databases were searched with the following focused question: 'Can chewing gum additionally reduce halitosis parameters, such as organoleptic scores and volatile sulfur compounds (VSC), when compared to a control treatment'? Controlled clinical trials presenting at least two halitosis measurements (organoleptic scores and/or VSC) were included. Ten studies were included, and different active ingredients were used. One study was performed using a chewing gum without any active ingredient...
February 17, 2017: Journal of Breath Research
https://www.readbyqxmd.com/read/28212082/semantic-highlight-retrieval-and-term-prediction
#12
Min Sun, Kuo-Hao Zeng, Yenchen Lin, Farhadi Ali
Due to the unprecedented growth of unedited videos, finding highlights relevant to a text query in a set of unedited videos has become increasingly important. We refer this task as semantic highlight retrieval and propose a query-dependent video representation for retrieving a variety of highlights. Our method consists of two parts: (1) "viralets", a mid-level representation bridging between semantic (Fig. 1(a)) and visual (Fig. 1(c)) spaces; (2) a novel Semantic-MODulation (SMOD) procedure to make viralets query-dependent (referred to as SMOD viralets)...
February 13, 2017: IEEE Transactions on Image Processing: a Publication of the IEEE Signal Processing Society
https://www.readbyqxmd.com/read/28212012/-meyeniins-a-c-novel-hexahydroimidazo-1-5-c-thiazole-derivatives-from-the-tubers-of-lepidium-meyenii-complete-structural-elucidation-by-biomimetic-synthesis-and-racemic-crystallization
#13
Min Zhou, Hang-Ying Ma, Zhi-Hua Liu, Guang-Yu Yang, Gang Du, Yan-Qing Ye, Gan-Peng Li, Qiu-Fen Hu
(+)-Meyeniins A-C (1-3), a novel class of sulfur-containing hexahydroimidazo[1,5-c]thiazole derivatives, were isolated from the tubers of Lepidium meyenii cultivated in Lijiang, Yunnan Province, China. Guided by their biosynthetic hypothesis, a stereocontrolled biomimetic synthesis of meyeniins A-C and their individual enantiomers was efficiently accomplished by a combination of a condensation reaction and Edman degradation. The formation of high-quality crystals for X-ray crystallography occurred much more readily from a racemic mixture of (±)-meyeniin A than with the single enantiomer alone in this case...
February 17, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28212001/rapid-method-for-the-quantification-of-reduced-and-oxidized-glutathione-in-human-plasma-and-saliva
#14
Kamonwad Ngamchuea, Christopher Batchelor-McAuley, Richard G Compton
A new method is developed to determine the concentrations of reduced (GSH) and oxidized glutathione (GSSG), and it enables the calculation of the GSH:GSSG ratios in human plasma and saliva samples. The assay is based on the masking of GSH in a GSH and GSSG mixture via a 1,4-addition reaction with p-benzoquinone (BQ), followed by enzymatic kinetic measurement. The enzyme, glutathione reductase, is highly specific to glutathione. Excess BQ can thus be easily removed by the addition of non-GSH thiols. The assay takes less than 2 min, is suitable for a short-time-scale study, and minimizes the in vitro underestimation of the GSH:GSSG ratio arising from the degradation of GSH and formation of GSSG...
February 17, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/28211995/far-uv-annealed-inkjet-printed-in2o3-semiconductor-layers-for-tfts-on-flexible-pen-substrate
#15
Jaakko Henrik Leppäniemi, Kim Eiroma, Himadri Majumdar, Ari Alastalo
The inkjet-printing process of precursor solutions containing In-nitrate dissolved in 2-methoxyethanol is optimized using ethylene glycol as a co-solvent that allows the stabilization of the droplet formation, leading to a robust, repeatable printing process. The inkjet-printed precursor films are then converted to In2O3 semiconductors at flexible-substrate-compatible low-temperatures (150 - 200 °C) using combined far ultraviolet (FUV) exposure at ~160 nm and thermal treatment. The compositional nature of the precursor-to-metal oxide conversion is studied using grazing incidence X-ray diffraction (GIXRD), X-ray reflectivity (XRR) and Fourier transform infrared (FTIR) spectroscopy that indicate that amorphous, high density (up to 5...
February 17, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28211947/insulin-like-growth-factor-1-promotes-osteogenic-differentiation-and-collagen-i-alpha-2-synthesis-via-induction-of-mrna-binding-protein-larp6-expression
#16
Yue Guo, Chen-Yi Tang, Xiao-Fei Man, Hao-Neng Tang, Jun Tang, Ci-La Zhou, Shu-Wen Tan, Min Wang, Yun-Zhi Feng, Hou-De Zhou
This study explored the mechanism underlying the stimulation of collagen synthesis and osteoblastic differentiation by insulin-like growth factor 1 (IGF1) in primary mouse osteoblasts. Primary mouse calvarial osteoblasts were cultured and treated with various doses of IGF1 before transfection with siRNA targeting the collagen type I alpha 2 (Col1a2) or La ribonucleoprotein domain family member 6 (Larp6) genes. Alkaline phosphatase (ALP) activity, osteocalcin staining, alizarin red quantification and the expression level of runt-related transcription factor 2 (RUNX2) were performed to assess the differentiation of pre-osteoblasts...
February 17, 2017: Development, Growth & Differentiation
https://www.readbyqxmd.com/read/28211911/three-dimensional-printing-of-calcium-sulfate-and-mesoporous-bioactive-glass-scaffolds-for-improving-bone-regeneration-in-vitro-and-in-vivo
#17
Xin Qi, Peng Pei, Min Zhu, Xiaoyu Du, Chen Xin, Shichang Zhao, Xiaolin Li, Yufang Zhu
In the clinic, bone defects resulting from infections, trauma, surgical resection and genetic malformations remain a significant challenge. In the field of bone tissue engineering, three-dimensional (3D) scaffolds are promising for the treatment of bone defects. In this study, calcium sulfate hydrate (CSH)/mesoporous bioactive glass (MBG) scaffolds were successfully fabricated using a 3D printing technique, which had a regular and uniform square macroporous structure, high porosity and excellent apatite mineralization ability...
February 13, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28211837/the-physiological-demand-of-pulling-a%C3%A2-rescue-sled-across-the-mud-and-the-impact-experience-has-on-this-task
#18
Gemma S Milligan, James R House, Michael J Tipton
BACKGROUND: To establish a Physical Employment Standard for tasks with high physical demands, it is important to determine the physiological requirements. One such task for the UK Coastguard is mud rescue. OBJECTIVE: To quantify the physiological demand of pulling a rescue sled across estuary mud, and determine whether rescuer experience has an impact on the physiological demand of this task. METHODS: Forty participants walked 150 m in 3 minutes across estuary mud...
February 17, 2017: Work: a Journal of Prevention, Assessment, and Rehabilitation
https://www.readbyqxmd.com/read/28211827/association-between-gait-variability-falls-and-mobility-in-people-with-multiple-sclerosis-a-specific-observation-on-the-edss-4-0-4-5-level
#19
Alon Kalron
BACKGROUND: We previously demonstrated that gait variability increases throughout the disease process in people with multiple sclerosis (PwMS). While gait variability tends to remain steady in the lower levels of disability, a significant increase occurs once patients reach the moderate neurological level. OBJECTIVE: To examine the relationship between variability of major spatio-temporal parameters of gait and falls, in PwMS with an expanded disability status scale score of 4...
February 13, 2017: NeuroRehabilitation
https://www.readbyqxmd.com/read/28211803/comparison-of-two-different-2d-shear-wave-speed-imaging-techniques-for-diagnosis-of-thyroid-nodules-the-first-initial-experience
#20
Ya-Ping He, Hui-Xiong Xu, Xiao-Long Li, Dan-Dan Li, Xiao-Wan Bo, Chong-Ke Zhao, Bo-Ji Liu, Dan Wang, Hui-Xiong Xu
OBJECTIVE: The aim of this study was to compare the diagnostic performance of two different 2D shear wave speed imaging techniques of Virtual Touch Tissue Imaging & Quantification (VTIQ) and Toshiba shear wave elastography (T-SWE) in predicting malignant thyroid nodules (TNs). MATERIALS AND METHODS: 75 TNs in 75 patients which were subject to both VTIQ and T-SWE examinations were enrolled and analyzed. Shear wave speed (SWS) values on VTIQ and T-SWE were computed (SWS_max, min, mean and median)...
February 17, 2017: Clinical Hemorheology and Microcirculation
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