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https://www.readbyqxmd.com/read/27915140/two-zinc-aminoclays-in-vitro-cytotoxicity-assessment-in-hela-cells-and-in-vivo-embryotoxicity-assay-in-zebrafish
#1
Hang-Suk Chun, Duckshin Park, Song Eun Lim, Kwang-Hun Jeong, Ji-Seon Park, Han-Jin Park, Shinyoung Kang, Kyoung Suk Kang, Hyun Gyu Park, Ha-Rim An, Yun Suk Huh, Young-Chul Lee
Two zinc-aminoclays [ZnACs] with functionalized primary amines [(-CH2)3NH2] were prepared by a simple sol-gel reaction using cationic metal precursors of ZnCl2 and Zn(NO3)2 with 3-aminopropyl triethoxysilane [APTES] under ambient conditions. Due to the facile interaction of heavy metals with primary amine sites and Zn-related intrinsic antimicrobial activity, toxicity assays of ZnACs nanoparticles (NPs) prior to their environmental and human-health applications are essential. However, such reports remain rare...
December 1, 2016: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/27914805/use-of-subdural-drain-for-chronic-subdural-haematoma-a-4-year-multi-centre-observational-study-of-302-cases
#2
David Yuen Chung Chan, Peter Yat Ming Woo, Calvin Hoi Kwan Mak, Alberto Chi Ho Chu, Charles Churk Hang Li, Natalie Man Wai Ko, Stephanie Chi Ping Ng, Tin Fung David Sun, Wai Sang Poon
Chronic subdural haematoma (CSDH) is a common neurosurgical condition and is more prevalent in the ageing population. Studies have suggested that placement of subdural drains after burr-hole drainage was associated with lower recurrence rates. However, a considerable proportion of surgeons remained unconvinced of the effectiveness of drain placement and concerns exist with the potential complications this additional manoeuvre entails such as infection or bleeding. The aim of the present study is to evaluate the impact of subdural drain on CSDH recurrence and its safety...
November 30, 2016: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/27914232/resuscitation-attempts-and-duration-in-traumatic-out-of-hospital-cardiac-arrest
#3
Ben Beck, Janet E Bray, Peter Cameron, Lahn Straney, Emily Andrew, Stephen Bernard, Karen Smith
BACKGROUND: This study aimed to understand factors associated with paramedics' decision to attempt resuscitation in traumatic out-of-hospital cardiac arrest (OHCA) and to characterise resuscitation attempts ≤10min in patients who die at the scene. METHODS: The Victorian Ambulance Cardiac Arrest Registry (VACAR) was used to identify all cases of traumatic OHCA between July 2008 and June 2014. We excluded cases <16 years of age or with a mechanism of hanging or drowning...
November 30, 2016: Resuscitation
https://www.readbyqxmd.com/read/27914177/virtual-touch-tissue-imaging-and-quantification-in-the-evaluation-of-thyroid-nodules
#4
Hang Zhou, Xian-Li Zhou, Hui-Xiong Xu, Dan-Dan Li, Bo-Ji Liu, Yi-Feng Zhang, Jun-Mei Xu, Xiao-Wan Bo, Xiao-Long Li, Le-Hang Guo, Shen Qu
OBJECTIVES: To investigate the diagnostic performance of a 2-dimensional shear wave elastographic technique (Virtual Touch tissue imaging and quantification [VTIQ]; Siemens Medical Solutions, Mountain View, CA) for predicting thyroid malignancy. METHODS: A total of 302 thyroid nodules underwent conventional sonography and VTIQ before fine-needle aspiration examination or surgery. Compared with histopathologic or cytologic results in combination with follow-up, the diagnostic performance of various shear wave speed (SWS) indices (minimum [SWSmin ], maximum [SWSmax ], and mean [SWSmean ]) on VTIQ as well as conventional sonographic features for predicting thyroid malignancy was evaluated in all of the nodules...
December 3, 2016: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
https://www.readbyqxmd.com/read/27914065/computational-design-of-membrane-curvature-sensing-peptides
#5
Armando Jerome de Jesus, Hang Yin
Computer simulations have become an indispensable tool in studying molecular biological systems. The unmatched spatial and temporal resolution that it offers enables for microscopic-level views into the dynamics and mechanics of biological systems. Recent advances in hardware resources have also opened up to computer simulations the investigation of longer timescale biological processes and larger systems. The study of membrane proteins or peptides especially benefits from simulations due to difficulties related to crystallization of such proteins in a membrane environment...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/27912124/highly-dispersed-ultrasmall-ni-oh-2-aggregated-particles-on-a-conductive-support-as-a-supercapacitor-electrode-with-superior-performance
#6
Yue Wang, Xianfeng Zhang, Xin Li, Xiaojun Li, Yong Zhao, Hang Wei, Yongguang Liu, Peng Jiang, Minghui Liang
To reduce the size of Ni(OH)2 aggregates is an effective way to improve their capacitive performance for the electrodes of supercapacitors. The ultrasmall Ni(OH)2 aggregates (1-2nm) on active carbon (AC) can be obtained by depositing the soluble precursor of Ni(OH)2 on AC at low temperature. The Ni(OH)2/AC samples were characterized by SEM, TEM, XRD and XPS. The specific capacitance of ultrasmall Ni(OH)2 aggregates in the Ni(OH)2/AC composite can reach 2949Fg(-1) at a scan rate of 20mVs(-1), which is higher than its theoretical specific capacitance (2382Fg(-1))...
November 21, 2016: Journal of Colloid and Interface Science
https://www.readbyqxmd.com/read/27912109/characterization-and-fine-mapping-of-a-novel-premature-leaf-senescence-mutant-yellow-leaf-and-dwarf-1-in-rice
#7
Luchang Deng, Peng Qin, Zhi Liu, Geling Wang, Weilan Chen, Jianhua Tong, Langtao Xiao, Bin Tu, Yuantao Sun, Wei Yan, Hang He, Jun Tan, Xuewei Chen, Yuping Wang, Shigui Li, Bingtian Ma
Leaves are the main organs in which photosynthates are produced. Leaf senescence facilitates the translocation of photosynthates and nutrients from source to sink, which is important for plant development and especially for crop yield. However, the molecular mechanism of leaf senescence is unknown. Here, we identified a mutant, yellow leaf and dwarf 1 (yld1), which exhibited decreased plant height and premature leaf senescence. Nitroblue tetrazolium and diamiobenzidine staining analyses revealed that the concentrations of reactive oxygen species were higher in yld1 leaves than in wild type leaves...
November 22, 2016: Plant Physiology and Biochemistry: PPB
https://www.readbyqxmd.com/read/27911870/mir-146a-polymorphism-correlates-with-lung-cancer-risk-in-chinese-nonsmoking-females
#8
Zhihua Yin, Zhigang Cui, Yangwu Ren, Lingzi Xia, Hang Li, Baosen Zhou
This study provides evidence that the common rs2910164 polymorphism in miR-146a strongly correlates with lung cancer risk in nonsmoking females in northeast China. The genotypes of miR-146a rs2910164 were determined in 1131 patients with lung cancer and 1003 healthy control subjects. Tissue samples were used to evaluate the association between miRNA expression and lung cancer risk as well as the correlation between rs2910164 genotypes and miR-146a expression. The secondary structures of the wild-type and variant miR-146a sequences were predicted, and luciferase-based target assays were used to test whether miR-146a bound to tumor necrosis factor receptor associated factor 6 (TRAF6) mRNA...
November 30, 2016: Oncotarget
https://www.readbyqxmd.com/read/27911857/yap1-regulates-abcg2-and-cancer-cell-side-population-in-human-lung-cancer-cells
#9
Yuyuan Dai, Shu Liu, Wen-Qian Zhang, Yi-Lin Yang, Phillip Hang, Hui Wang, Li Cheng, Ping-Chih Hsu, Yu-Chen Wang, Zhidong Xu, David M Jablons, Liang You
A small population of cancer cells called cancer-initiating cells or cancer stem cells (CSCs) are involved in drug resistance, metastasis, and cancer relapse. Finding pathways that regulate CSC is very important for clinical therapy. ATP-binding cassette sub-family G member 2 (ABCG2) plays a role in side population (SP) cell formation and contributes to chemotherapy resistance in common forms of cancer. Yes-associated protein 1 (YAP1) is a major transcriptional effector of the Hippo pathway, which plays important roles in organ size control and tumorigenesis...
November 29, 2016: Oncotarget
https://www.readbyqxmd.com/read/27910945/thyroid-transcription-factor-1-distinguishes-subependymal-giant-cell-astrocytoma-from-its-mimics-and-supports-its-cell-origin-from-the-progenitor-cells-in-the-medial-ganglionic-eminence
#10
Jen-Fan Hang, Chih-Yi Hsu, Shih-Chieh Lin, Chih-Chun Wu, Han-Jui Lee, Donald Ming-Tak Ho
Subependymal giant cell astrocytoma is a benign brain tumor mostly associated with tuberous sclerosis complex. However, it may be misinterpreted as other high-grade brain tumors due to the presence of large tumor cells with conspicuous pleomorphism and occasional atypical features, such as tumor necrosis and endothelial proliferation. In this study, we first investigated thyroid transcription factor-1 (TTF-1) expression in a large series of subependymal giant cell astrocytomas and other histologic and locational mimics to validate the diagnostic utility of this marker...
December 2, 2016: Modern Pathology: An Official Journal of the United States and Canadian Academy of Pathology, Inc
https://www.readbyqxmd.com/read/27910790/exploring-geographical-differentiation-of-the-hoelen-medicinal-mushroom-wolfiporia-extensa-agaricomycetes-using-fourier-transform-infrared-spectroscopy-combined-with-multivariate-analysis
#11
Yan Li, Ji Zhang, Yanli Zhao, Honggao Liu, Yuanzhong Wang, Hang Jin
In this study the geographical differentiation of dried sclerotia of the medicinal mushroom Wolfiporia extensa, obtained from different regions in Yunnan Province, China, was explored using Fourier-transform infrared (FT-IR) spectroscopy coupled with multivariate data analysis. The FT-IR spectra of 97 samples were obtained for wave numbers ranging from 4000 to 400 cm-1. Then, the fingerprint region of 1800-600 cm-1 of the FT-IR spectrum, rather than the full spectrum, was analyzed. Different pretreatments were applied on the spectra, and a discriminant analysis model based on the Mahalanobis distance was developed to select an optimal pretreatment combination...
2016: International Journal of Medicinal Mushrooms
https://www.readbyqxmd.com/read/27910270/the-australasian-contribution-to-the-development-of-neurosurgery-in-singapore
#12
Aaron Song Chuan Foo, James Chee Min Khoo, Peck Leong Ong, Kee Hang Ho, Wan Tew Seow, Wai Hoe Ng, Tseng Tsai Yeo
No abstract text is available yet for this article.
December 2016: ANZ Journal of Surgery
https://www.readbyqxmd.com/read/27910227/preoperative-computed-tomography-diagnosis-of-non-recurrent-laryngeal-nerve-in-patients-with-esophageal-carcinoma
#13
Zhong-Xi Niu, Hang Zhang, Long-Qi Chen, Hui Shi, Jun Peng, Li-Wei Su, Wei Li, Bo Xiao, Shu He, Hong-Xu Yue
BACKGROUND: The non-recurrent laryngeal nerve (NRLN) is a rare but potentially serious anomaly that is commonly associated with the aberrant right subclavian artery (ARSA). It is easy to damage during surgical resection of esophageal cancer, leading to severe complications. METHODS: Preoperative enhanced thoracic computed tomography (CT) scans of 2697 patients with esophageal carcinoma treated in our hospital between January 2010 and December 2013 were examined...
December 2, 2016: Thoracic Cancer
https://www.readbyqxmd.com/read/27909985/il-25-blockade-inhibits-metastasis-in-breast-cancer
#14
Zhujun Jiang, Jingtao Chen, Xuemei Du, Hang Cheng, Xiaohu Wang, Chen Dong
Metastasis is the leading cause of death in breast cancer patients. However, the mechanisms underlying metastasis are not well understood and there is no effective treatment in the clinic. Here, we demonstrate that in MMTV-PyMT, a highly malignant spontaneous breast tumor model, IL-25 (also called IL-17E) was expressed by tumor-infiltrating CD4(+) T cells and macrophages. An IL-25 neutralization antibody, while not affecting primary tumor growth, substantially reduced lung metastasis. Inhibition of IL-25 resulted in decreased type 2 T cells and macrophages in the primary tumor microenvironments, both reported to enhance breast tumor invasion and subsequent metastasis to the lung...
December 1, 2016: Protein & Cell
https://www.readbyqxmd.com/read/27908306/comparing-diffusion-weighted-imaging-with-clinical-and-blood-parameters-and-with-short-tau-inversion-recovery-sequence-in-detecting-spinal-and-sacroiliac-joint-inflammation-in-axial-spondyloarthritis
#15
Ho Yin Chung, Xiaopei Xu, Vince Wing Hang Lau, Grace Ho, Ka Lai Lee, Philip Hei Li, Helen Hoi Lun Tsang, Suet Kei Kwok, Chak Sing Lau, Chun Sing Wong
OBJECTIVES: To investigate the usefulness of diffusion weighted imaging (DWI) by comparing with clinical features, blood parameters and traditional short tau inversion recovery (STIR) sequence in detecting spinal and sacroiliac (SI) joint inflammation in axial spondyloarthritis (axSpA) patients. METHODS: One hundred and ten axSpA patients were recruited. Clinical, radiological and blood parameters were recorded. DWI and STIR MRI were performed simultaneously and results were scored according to the Spondyloarthritis Research Consortium of Canada (SPARCC) for comparison...
November 13, 2016: Clinical and Experimental Rheumatology
https://www.readbyqxmd.com/read/27906388/correction-molecular-stacking-dependent-phosphorescence-fluorescence-dual-emission-in-a-single-luminophore-for-self-recoverable-mechanoconversion-of-multicolor-luminescence
#16
Hongwei Wu, Cheng Hang, Xin Li, Liyuan Yin, Mingjie Zhu, Jian Zhang, Yunyun Zhou, Hans Ågren, Qing Zhang, Liangliang Zhu
Correction for 'Molecular stacking dependent phosphorescence-fluorescence dual emission in a single luminophore for self-recoverable mechanoconversion of multicolor luminescence', Chem. Commun., 2016, DOI: .
December 1, 2016: Chemical Communications: Chem Comm
https://www.readbyqxmd.com/read/27905696/the-curative-effect-of-early-use-of-enteral-immunonutrition-in-postoperative-gastric-cancer-a-meta-analysis
#17
Hu Qiang, Lu Hang, Sun Y Shui
INTRODUCTION: It's uncertain about the clinical efficacy which early enteral immunonutrition in postoperative gastric cancer patients,and this study attempts to assess its clinical efficacy. EVIDENCE ACQUISITION: Use the search engine database incuding the Pubmed,the Cochrane library, Web of Science, Medline,and Embase,which there are comparative studies of early efficacy of enteral immune nutrition and standard enteral nutrition after gastric cancer operation.According to the studies,we use the RevMan 5...
December 1, 2016: Minerva Gastroenterologica e Dietologica
https://www.readbyqxmd.com/read/27905049/radiofrequency-ablation-vs-microwave-ablation-for-patients-with-benign-thyroid-nodules-a-propensity-score-matching-study
#18
Wen-Wen Yue, Shu-Rong Wang, Feng Lu, Li-Ping Sun, Le-Hang Guo, Yong-Lin Zhang, Xiao-Long Li, Hui-Xiong Xu
PURPOSE: To compare the efficacy and the safety of radiofrequency ablation and microwave ablation for treatment of benign thyroid nodules using a propensity score matching study design. METHODS: Two hundred and sixty patients with benign thyroid nodules were studied retrospectively, including 102 patients treated with radiofrequency ablation and 158 treated with microwave ablation. To reduce confounding bias due to retrospective assignment, propensity score matching was performed to balance the preablation data of the two groups...
November 30, 2016: Endocrine
https://www.readbyqxmd.com/read/27904772/mir-101-targets-usp22-to-inhibit-the-tumorigenesis-of-papillary-thyroid-carcinoma
#19
Huadong Zhao, Haili Tang, Qike Huang, Bo Qiu, Xiaomin Liu, Dong Fan, Li Gong, Hang Guo, Chong Chen, Shixiong Lei, Lu Yang, Jianguo Lu, Guoqiang Bao
Increasing evidence suggests that microRNA-101 (miR-101) is involved in the progression of various human cancers, including papillary thyroid carcinoma (PTC). However, the biological functions of miR-101 and underlying molecular mechanisms in PTC remain largely unknown. In this study, we demonstrated that miR-101 underexpression in PTC tissue was associated with lymph node metastasis and poor prognosis of PTC patients. MiR-101 reduced PTC cell proliferation, apoptosis resistance, and invasion. Ubiquitin-specific protease 22 (USP22) was confirmed as a direct target of miR-101...
2016: American Journal of Cancer Research
https://www.readbyqxmd.com/read/27904713/farnesoid-x-receptor-ligand-cdca-suppresses-human-prostate-cancer-cells-growth-by-inhibiting-lipid-metabolism-via-targeting-sterol-response-element-binding-protein-1
#20
Nian Liu, Jun Zhao, Jinguo Wang, Haolin Teng, Yaowen Fu, Hang Yuan
AIM: A wealth of studies have demonstrated that abnormal cellular lipid metabolism plays an important role in prostate cancer (PCa) development. Therefore, manipulating lipid metabolism is a potential PCa therapy strategy. In this study, our goal is to investigate the role of farnesoid X receptor (FXR) in regulating the proliferation and lipid metabolism of human PCa cells following its ligand chenodexycholic acid (CDCA) treatment. METHODS: Oil Red O was used to stain lipid contents in PCa cells, and siRNA knockdown was performed to deplete FXR expression...
2016: American Journal of Translational Research
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