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https://www.readbyqxmd.com/read/29331856/schizandrin-a-enhances-chemosensitivity-of-colon-carcinoma-cells-to-5-fluorouracil-through-up-regulation-of-mir-195
#1
Dongfang Kong, Deyong Zhang, Xianqun Chu, Jing Wang
Nowadays 5-fluorouracil (5-FU)-based adjuvant chemotherapy is widely used for treating colon carcinoma. However, 5-FU resistance in the treatment of colon carcinoma has become more common and thereby new therapeutic strategies and new adjuvant drugs still need to be explored. Two 5-FU-resistant colon cancer cell lines, HCT116 and SW480, were used to investigate the effects of Schizandrin A (SchA), 5-FU, or their combination on cell viability and apoptosis. Besides, the role of miR-195 was studied to further clarify the specific function of SchA...
January 11, 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29331811/volatile-organic-compounds-vocs-removal-in-non-thermal-plasma-double-dielectric-barrier-discharge-reactor
#2
Muhammad Farooq Mustafa, Xindi Fu, Yanjun Liu, Yawar Abbas, Hongtao Wang, Wenjing Lu
Non-thermal plasma (NTP) an emerging technology to treat volatile organic compounds (VOCs) present in unhygienic point source air streams. In present study, double dielectric barrier discharge (DDBD) reactors were used for the first time to evaluate the removal efficiency of VOCs mixture of different nature at constant experimental conditions (input power 16-65.8 W, VOCs mixture feeding rate 1-6 L/min, 100-101 ppm inlet concentration of individual VOC). Reactor A and B with discharge gap at 6 mm and 3 mm respectively, were used in current study...
January 9, 2018: Journal of Hazardous Materials
https://www.readbyqxmd.com/read/29331415/nogo-b-receptor-promotes-epithelial-mesenchymal-transition-in-non-small-cell-lung-cancer-cells-through-the-ras-erk-snail1-pathway
#3
Donghua Wu, Baofeng Zhao, Xiaoyu Qi, Fang Peng, Hailu Fu, Xinming Chi, Qing Robert Miao, Shujuan Shao
Nogo-B receptor (NgBR) is a specific receptor of Nogo-B that regulates vascular remodeling and angiogenesis. Previously, we found that NgBR promotes the membrane translocation and activation of Ras in breast cancer cells and enhances the chemoresistance of hepatocellular carcinoma cells to 5-fluorouracil. However, the role of NgBR in lung cancer has not yet been elucidated. In the present study, we found that NgBR knockdown inhibited epithelial-mesenchymal transition (EMT) in non-small cell lung cancer (NSCLC) cells in vitro and metastasis of NSCLC cells in vivo...
January 10, 2018: Cancer Letters
https://www.readbyqxmd.com/read/29330682/life-threatening-reaction-with-topical-5-fluorouracil
#4
Patrick Kishi, Cynthia J Price
A 67-year-old man developed a suspected adverse drug reaction during treatment with topical 5-fluorouracil (5-FU) for multiple actinic keratosis of the face, neck, and forearms. The man received topical 5-FU at a dosage of 0.5% for the actinic keratoses. After 1 week, he developed extreme lethargy, fatigue, fever, and mouth erosions. Several days later, and after discontinuation of 5-FU, painful mucositis and systemic side effects occurred, meeting criteria for hospitalization because of dehydration and a 6...
January 12, 2018: Drug Safety—Case Reports
https://www.readbyqxmd.com/read/29330293/differential-regulation-of-let-7-by-lin28b-isoform-specific-functions
#5
Rei Mizuno, Priya Chatterji, Sarah F Andres, Kathryn E Hamilton, Lauren Simon, Shawn W Foley, Arjun N Jeganathan, Brian D Gregory, Blair B Madison, Anil K Rustgi
The RNA binding protein LIN28B plays an important role in development, stem cell biology and tumorigenesis. LIN28B has two isoforms: the LIN28B-long and -short isoforms. Although studies have revealed the functions of the LIN28B-long isoform in tumorigenesis, the role of the LIN28B-short isoform remains unclear and represents a major gap in the field. The LIN28B-long and -short isoforms are expressed in a subset of human colorectal cancers (CRCs) and adjacent normal colonic mucosa, respectively. To elucidate the functional and mechanistic aspects of these isoforms, CRC cells (Caco-2 and LoVo) were generated to either express no LIN28B or the -short or -long isoform...
January 12, 2018: Molecular Cancer Research: MCR
https://www.readbyqxmd.com/read/29329840/determination-of-colistin-in-animal-tissues-egg-milk-and-feed-by-ultra-high-performance-liquid-chromatography-tandem-mass-spectrometry
#6
Qin Fu, Xiaowei Li, Kangni Zheng, Yuebin Ke, Yingyu Wang, Lina Wang, Fugen Yu, Xi Xia
A confirmatory method for the determination of colistin in animal tissues, egg, milk, and feed was developed and validated. Colistin A and colistin B were extracted from samples with the mixture of 10% trichloroacetic acid-acetonitrile and isolated with mixed-mode weak cation exchange cartridge. Analytes were separated from matrix components using ultra-high performance liquid chromatography, and detected with electrospray ionization on a triple quadrupole mass spectrometer. Mean recoveries ranged from 78.0% to 115...
May 15, 2018: Food Chemistry
https://www.readbyqxmd.com/read/29329648/preparation-and-physicochemical-characterization-of-t-oa-plga-microspheres
#7
Jing Fu, Xiao-Xu Dong, Zu-Ping Zeng, Xing-Bin Yin, Fa-Wei Li, Jian Ni
As the carrier of water-insoluble drugs, microspheres can play a role in increasing solubility and delaying releasing essence. The objective of this study was to improve the solubility and to delay the release of a newly discovered antitumor compound 3β-hydroxyolea-12-en-28-oic acid-3, 5, 6-trimethylpyrazin-2-methyl ester (T-OA). Early-stage preparation discovery concept (EPDC) was employed in the present study. The preparation, physicochemical characterization, and drug release properties of PLGA microspheres were evaluated...
December 2017: Chinese Journal of Natural Medicines
https://www.readbyqxmd.com/read/29329528/transmission-of-measles-among-healthcare-workers-in-hospital-w-xinjiang-autonomous-region-china-2016
#8
Haimei Jia, Chao Ma, Mengting Lu, Jianping Fu, Lance E Rodewald, Qiru Su, Huaqin Wang, Lixin Hao
BACKGROUND: As China approaches the elimination of measles, outbreaks of measles continue to occur. Healthcare workers (HCWs) are known to be at high risk of infection and transmission of measles virus. A measles outbreak occurred in a hospital in Xinjiang Uighur Autonomous Region of the People's Republic of China. We report an investigation of this outbreak and its implications for measles elimination and outbreak preparedness. METHODS: We conducted a retrospective search for measles cases using hospital records...
January 12, 2018: BMC Infectious Diseases
https://www.readbyqxmd.com/read/29329117/ce-original-research-physical-activity-among-chinese-american-immigrants-with-prediabetes-or-type-2-diabetes
#9
Sophia H Hu, Mei R Fu, Shan Liu, Yen-Kuang Lin, Wen-Yin Chang
Findings from this mixed-methods study reveal deficits and suggest areas for change. ABSTRACT: Background: Although the benefits of aerobic exercise and strength training for patients with type 2 diabetes have been studied extensively, research on physical activity among Chinese American immigrants diagnosed with prediabetes or type 2 diabetes has been limited. PURPOSE: We sought to learn more about this population's knowledge of physical activity, the types and intensity levels performed, and the barriers to such activity...
January 11, 2018: American Journal of Nursing
https://www.readbyqxmd.com/read/29328475/heat-shock-protein-27-knockdown-using-nucleotide%C3%A2-based-therapies-enhances-sensitivity-to-5-fu-chemotherapy-in-sw480-human-colon-cancer-cells
#10
Takehiro Shimada, Masashi Tsuruta, Hirotoshi Hasegawa, Koji Okabayashi, Kohei Shigeta, Takashi Ishida, Yusuke Asada, Hirofumi Suzumura, Kaoru Koishikawa, Shingo Akimoto, Yuko Kitagawa
Heat shock protein 27 (Hsp27) is a chaperone protein of low molecular weight that is produced in response to various stresses and has a cytoprotective function. In the present study we found that there is a strong correlation between sensitivity to 5-fluorouracil (5-FU) and the expression of Hsp27 in colorectal cancer. Apatorsen is an antisense oligonucleotide that targets Hsp27 and has various antitumor effects in some types of cancer, such as bladder and prostate. Although several clinical studies are currently studying apatorsen in many malignancies, to date no promising results have been reported for colorectal cancer...
January 3, 2018: Oncology Reports
https://www.readbyqxmd.com/read/29328459/%C3%AE-solanine-enhances-the-chemosensitivity-of-esophageal-cancer-cells-by-inducing-microrna%C3%A2-138-expression
#11
Jianbo Wu, Li Wang, Xinhui Du, Qianqian Sun, Yuanyuan Wang, Min Li, Wenqiao Zang, Kangdong Liu, Guoqiang Zhao
Esophageal cancer is a common malignant tumor worldwide. Inherent and acquired drug resistance are the major challenges faced in anticancer chemotherapy. This study aimed to explore the effects of α-solanine in regards to the chemosensitivity of esophageal cancer cells. We found that α-solanine enhanced the sensitivity of EC9706 and KYSE30 cells to 5-flurouracil (5-FU) and cisplatin (Cis) by promoting drug-induced apoptosis. qRT-PCR and western blotting results showed that α-solanine treatment promoted miR-138 expression and decreased survivin expression in EC9706 and KYSE30 cells...
January 4, 2018: Oncology Reports
https://www.readbyqxmd.com/read/29327973/fluoroscopy-guided-percutaneous-vertebroplasty-for-symptomatic-loosened-pedicle-screw-and-instrumentation-associated-vertebral-fracture-an-evaluation-of-initial-experiences-and-technical-note
#12
Tsai-Sheng Fu, Yun-Da Li
OBJECTIVE For symptomatic loosened pedicle screws and instrumentation-associated vertebral fracture, extensive surgery to remove the pedicle screws and extend the instrumentation, along with the reinsertion of more pedicle screws, is usually the treatment of choice. After such a surgery, however, similar complications will still be encountered. In this study the authors propose minimally invasive percutaneous cement augmentation under fluoroscopic guidance as a salvage procedure that eliminates the inherent risks of conventional extensive surgery...
January 12, 2018: Journal of Neurosurgery. Spine
https://www.readbyqxmd.com/read/29327755/reversible-three-equal-step-spin-crossover-in-an-iron-ii-hofmann-type-metal-organic-framework
#13
Fu-Ling Liu, Dong Li, Li-Jie Su, Jun Tao
A novel bent ligand-pillared three-dimensional Hofmann-type metal-organic framework, [FeII(Hbpt)Pt(CN)4]·1/2Hbpt·1/2CH3OH·5/2H2O [1, Hbpt = 4,4'-(1H-1,2,4-triazole-3,5-diyl) dipyridine], was synthesized and crystallographically and magnetically characterized, which showed incomplete three-step spin-crossover behavior with a reversible three equal-step sequence of HS1.00 ↔ HS0.75LS0.25 ↔ HS0.5LS0.5 ↔ HS0.25LS0.75.
January 12, 2018: Dalton Transactions: An International Journal of Inorganic Chemistry
https://www.readbyqxmd.com/read/29327356/gene-specific-variant-classifier-dpyd-varifier-to-identify-deleterious-alleles-of-dihydropyrimidine-dehydrogenase
#14
Shikshya Shrestha, Cheng Zhang, Calvin R Jerde, Qian Nie, Hu Li, Steven M Offer, Robert B Diasio
Deleterious variants in dihydropyrimidine dehydrogenase (DPD, DPYD gene) can be highly predictive of clinical toxicity to the widely prescribed chemotherapeutic 5-fluorouracil (5-FU). However, there is very limited data pertaining to the functional consequences of the >450 reported non-synonymous DPYD variants. We developed a DPYD-specific variant classifier (DPYD-Varifier) using machine learning and in vitro functional data for 156 missense DPYD variants. The developed model showed 85% accuracy and outperformed other in silico prediction tools...
January 12, 2018: Clinical Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/29326531/medial-pivot-in-total-knee-arthroplasty-literature-review-and-our-first-experience
#15
REVIEW
Luigi Sabatini, Salvatore Risitano, Gennaro Parisi, Ferdinando Tosto, Pier Francesco Indelli, Francesco Atzori, Alessandro Massè
Background: Traditional total knee implants designs, usually, are not able to reproduce the physiological kinematics of the knee, leaving almost 20% of the patients, those who underwent a total knee arthroplasty (TKA), not fully satisfied. Modern inserts are nowadays designed with a fully congruent medial compartment to reproduce the normal medial pivoting biomechanics of the knee. The aim of this article was to evaluate preliminary clinical improvement using the Medial Congruent (MC) insert as specific level of constraint...
2018: Clinical Medicine Insights. Arthritis and Musculoskeletal Disorders
https://www.readbyqxmd.com/read/29326367/organic-anion-transporter-2-mediates-hepatic-uptake-of-tolbutamide-a-cytochrome-p450-2c9-probe-drug
#16
Yi-An Bi, Sumathy Mathialagan, Laurie Tylaska, Myra Fu, Julie Keefer, Anna Vildhede, Chester Costales, A David Rodrigues, Manthena Varma
Tolbutamide is primarily metabolized by cytochrome P450 (CYP)2C9, and thus, frequently applied as a clinical probe substrate for CYP2C9 activity. However, there is a marked discrepancy in the in vitro-in vivo extrapolation of its metabolic clearance implying potential for additional clearance mechanisms. The goal of this study was to evaluate the role of hepatic uptake transport in the pharmacokinetics of tolbutamide and identify the molecular mechanism thereof. Transport studies using singly-transfected cells expressing six major hepatic uptake transporters showed that tolbutamide is a substrate to organic anion transporter (OAT)2 alone -- with transporter affinity (Km) of 19...
January 11, 2018: Journal of Pharmacology and Experimental Therapeutics
https://www.readbyqxmd.com/read/29326194/association-of-erythrocyte-parameters-with-metabolic-syndrome-in-the-pearl-river-delta-region-of-china-a-cross-sectional-study
#17
Ling Ling Huang, Dong-Mei Dou, Nan Liu, Xiao Xiao Wang, Li-Ying Fu, Xiao Wu, Peixi Wang
OBJECTIVE: Increasing studies have reported that erythrocyte parameters, including red blood cells (RBCs), haematocrit (HCT), haemoglobin (Hb) and red blood cell distribution width (RDW), are associated with metabolic syndrome (MetS) in adults worldwide. However, the association, stratified by sex, remains to be elucidated, particularly in the Pearl River Delta region of China. Therefore, our aim was to explore the association of erythrocyte parameters with MetS, stratified by sex, in the Pearl River Delta region of China...
January 10, 2018: BMJ Open
https://www.readbyqxmd.com/read/29326047/periodontal-status-of-tooth-adjacent-to-implant-with-peri-implantitis
#18
Cheng-En Sung, Cheng-Yang Chiang, Hsien-Chung Chiu, Yi-Shing Shieh, Fu-Gong Lin, Earl Fu
OBJECTIVES: To evaluate the relationship between peri-implantitis and the periodontal health of the adjacent tooth, the periodontal status of the teeth adjacent and contralateral to the implants with and without peri-implantitis. METHODS: Fifty-three subjects with existing dental implants and chronic periodontitis were examined in this cross-sectional study. Seventy implants were categorized into peri-implantitis (n = 42) and healthy/mucositis (n = 28) groups...
January 8, 2018: Journal of Dentistry
https://www.readbyqxmd.com/read/29326016/synthesis-of-novel-6-substituted-amino-9-%C3%AE-d-ribofuranosyl-purine-analogs-and-their-bioactivities-on-human-epithelial-cancer-cells
#19
Meral Tuncbilek, Aslıgul Kucukdumlu, Ebru Bilget Guven, Duygu Altiparmak, Rengul Cetin-Atalay
New nucleoside derivatives with nitrogen substitution at the C-6 position were prepared and screened initially for their in vitro anticancer bioactivity against human epithelial cancer cells (liver Huh7, colon HCT116, breast MCF7) by the NCI-sulforhodamine B assay. N6-(4-trifluoromethylphenyl)piperazine analog (27) exhibited promising cytotoxic activity. The compound 27 was more cytotoxic (IC50 = 1-4 μM) than 5-FU, fludarabine on Huh7, HCT116 and MCF7 cell lines. The most potent nucleosides (11, 13, 16, 18, 19, 21, 27, 28) were further screened for their cytotoxicity in hepatocellular cancer cell lines...
January 2, 2018: Bioorganic & Medicinal Chemistry Letters
https://www.readbyqxmd.com/read/29325250/-myofibroma-myofibromatosis-a-clinicopathologic-analysis-of-9-cases
#20
Y Fu, W Y Guan, H Y Wu, H Y Wu, Z W Fan, Q Ye, F Q Meng
Objective: To investigate the clinical and histological features, diagnosis and differential diagnosis of myofibroma/myofibromatosis. Methods: The clinical data and pathology features of nine cases of myofibroma/myofibromatosis were collected from August 2011 to November 2016 in Affiliated Drum Tower Hospital, Nanjing University Medical School and Children's Hospital of Nanjing Medical University. Immunohistochemistry(IHC), PDGFRB molecular analysis and ETV6-NTRK3 gene fusion were performed and relevant literature reviewed...
January 8, 2018: Zhonghua Bing Li Xue za Zhi Chinese Journal of Pathology
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