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Zhen Wang

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https://www.readbyqxmd.com/read/28532003/recent-development-in-cell-encapsulations-and-their-therapeutic-applications
#1
REVIEW
Jiang-Ze Wang, Zhen-Qi Ding, Feng Zhang, Wen-Bin Ye
Chronic and degenerative diseases are the main causes of death in the aging population worldwide. These diseases are currently maintained using long term administration of conventional drugs which are not curative and reduce the life quality of patients. It is urgent to develop new therapeutic approaches for the treatment of these diseases. Cell therapy that involves the injection of viable cell into patients is a promising therapeutic strategy in chronic and degenerative diseases. However, the survival of injected cells in host tissue is limited due to immunoresponse...
August 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/28531942/target-signalling-pathways-of-natural-plant-derived-radioprotective-agents-from-treatment-to-potential-candidates-a-reverse-thought-on-anti-tumour-drugs
#2
REVIEW
Ke-Li Yun, Zhen Yu Wang
Radiation damage can occur in nuclear power plant workers when physical protections fail, which results in nuclear leakage through the protective layers. Alternatively, workers may be unable to use physical protection in time (in the case of a sudden nuclear weapons attack). In addition, patients who receive local radiotherapy and are not allowed to adopt local physical protection may experience radiation damage. Thus, protection against chemical radiation has become indispensable. In view of the side effects caused by synthetic radioprotective agents (such as amisfostine), searching for radioprotective agents from plant sources is an alternative strategy...
May 17, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28531092/effective-silicon-nanowire-arrays-wo3-core-shell-photoelectrode-for-neutral-ph-water-splitting
#3
Zhen Chen, Ning Minghui, Ge Ma, Qingguo Meng, Yongguang Zhang, Jinwei Gao, Mingliang Jin, Zhihong Chen, Mingzhe Yuan, Xin Wang, Junming Liu, Guofu Zhou
We report the first demonstration of a high-efficiency photoelectrochemical (PEC) water splitting reaction using a novel Si NWs/WO3 core/shell photoanode prepared by a mild and inexpensive metal-catalyzed electroless etching (MCEE) process followed by dip-coating, airing and annealing methods. The dense and vertically aligned Si NWs/WO3 core/shell nanostructure were characterized by scanning electron microscopy (SEM), transmission electron microscopy (TEM), and X-ray diffraction (XRD). In comparison to planar n-Si, Si NWs and planar Si/WO3, the Si NWs/WO3 samples showed significantly enhanced photocurrent over the entire potential sweep range...
May 22, 2017: Nanotechnology
https://www.readbyqxmd.com/read/28529748/local-modulated-electro-hyperthermia-in-combination-with-traditional-chinese-medicine-vs-intraperitoneal-chemoinfusion-for-the-treatment-of-peritoneal-carcinomatosis-with-malignant-ascites-a-phase-ii-randomized-trial
#4
Clifford L K Pang, Xinting Zhang, Zhen Wang, Junwen Ou, Yimin Lu, Pengfei Chen, Changlin Zhao, Xiaopu Wang, Hongyu Zhang, Sergey V Roussakow
The purpose of this study was to develop a safe and non-toxic alternative to the conventional conservative treatment of peritoneal carcinomatosis with malignant ascites (PCMA) by investigating the efficacy and safety of local modulated electro-hyperthermia (mEHT) combined with the traditional Chinese medicine (TCM) 'Shi Pi' herbal decoction, compared with standard intraperitoneal chemoinfusion (IPCI). A randomized, controlled, single-center, open-label clinical trial (phase II) with two parallel groups (allocation ratio, 1:1) was conducted to investigate the efficacy and safety of mEHT+TCM (study group, SG) vs...
May 2017: Molecular and Clinical Oncology
https://www.readbyqxmd.com/read/28529609/is-pretreatment-epstein-barr-virus-dna-still-associated-with-6-year-survival-outcomes-in-locoregionally-advanced-nasopharyngeal-carcinoma
#5
Ya-Nan Jin, Ji-Jin Yao, Fan Zhang, Si-Yang Wang, Wang-Jian Zhang, Guan-Qun Zhou, Zhen-Yu Qi, Ying Sun
Purpose: The objective of this study was to confirm the association between pretreatment Epstein-Barr virus (EBV) DNA (pre-DNA) load and survival outcomes after long-term follow-up in patients with locoregionally advanced nasopharyngeal carcinoma (LA-NPC). Materials and Methods: Between November 2009 and February 2012, a total of 1036 patients with LA-NPC were enrolled. There were 762 patients in stage III and 274 in stage IVA-B. All patients were treated with radical radiotherapy with or without chemotherapy, and pre-DNA concentrations were quantified by a polymerase chain reaction assay...
2017: Journal of Cancer
https://www.readbyqxmd.com/read/28529606/comparison-of-prognostic-nomograms-based-on-different-nodal-staging-systems-in-patients-with-resected-gastric-cancer
#6
Zi-Xian Wang, Miao-Zhen Qiu, Yu-Ming Jiang, Zhi-Wei Zhou, Guo-Xin Li, Rui-Hua Xu
Purpose: Previous studies addressing the optimal nodal staging system in patients with resected gastric cancer have shown inconsistent results, and the optimal system for development of prognostic nomograms remains unclear. In this study, we compared prognostic nomograms based on the metastatic lymph node (MLN) count, lymph node ratio (LNR), and log odds of metastatic lymph nodes (LODDS) to predict the 5-year overall survival in patients with resected gastric cancer. Methods: We analysed 15,320 patients with resected gastric cancer in the Surveillance, Epidemiology, and End Results (SEER) database between 1988 and 2010...
2017: Journal of Cancer
https://www.readbyqxmd.com/read/28529470/microdissection-of-the-ah01-chromosome-in-upland-cotton-and-microcloning-of-resistance-gene-anologs-from-the-single-chromosome
#7
Xinchuan Cao, Yuling Liu, Zhen Liu, Fang Liu, Yalei Wu, Zhongli Zhou, Xiaoyan Cai, Xingxing Wang, Zhenmei Zhang, Yuhong Wang, Zhimin Luo, Renhai Peng, Kunbo Wang
BACKGROUND: Chromosome microdissection is one of the most important techniques in molecular cytogenetic research. Cotton (Gossypium Linnaeus, 1753) is the main natural fiber crop in the world. The resistance gene analog (RGA) cloning after its single chromosome microdissection can greatly promote cotton genome research and breeding. RESULTS: Using the linker adaptor PCR (LA-PCR) with the primers of rice disease-resistance homologues, three nucleotide sequences PS016 (KU051681), PS054 (KU051682), and PS157 (KU051680) were obtained from the chromosome Ah01 of upland cotton (cv...
2017: Hereditas
https://www.readbyqxmd.com/read/28529081/sysfinder-a-customized-platform-for-search-comparison-and-assisted-design-of-appropriate-animal-models-based-on-systematic-similarity
#8
Shuang Yang, Guoqing Zhang, Wan Liu, Zhen Wang, Jifeng Zhang, Dongshan Yang, Y Eugene Chen, Hong Sun, Yixue Li
Animal models are increasingly gaining values by cross-comparisons of response or resistance to clinical agents used for patients. However, many disease mechanisms and drug effects generated from animal models are not transferable to human. To address these issues, we developed SysFinder (http://lifecenter.sgst.cn/SysFinder), a platform for scientists to find appropriate animal models for translational research. SysFinder offers a "topic-centered" approach for systematic comparisons of human genes, whose functions are involved in a specific scientific topic, to the corresponding homologous genes of animal models...
May 4, 2017: Journal of Genetics and Genomics, Yi Chuan Xue Bao
https://www.readbyqxmd.com/read/28529078/hcsgd-an-integrated-database-of-human-cellular-senescence-genes
#9
Qiongye Dong, Hongqing Han, Xuehui Liu, Lei Wei, Wei Zhang, Zhen Zhao, Michael Q Zhang, Xiaowo Wang
Cellular senescence is an irreversible cell cycle arrest program in response to various exogenous and endogenous stimuli like telomere dysfunction and DNA damage. It has been widely accepted as an anti-tumor program and is also found closely related to embryo development, tissue repair, organismal aging and age-related degenerative diseases. In the past decades, numerous efforts have been made to uncover the gene regulatory mechanisms of cellular senescence. There is a strong demand to integrate these data from various resources into one open platform...
April 29, 2017: Journal of Genetics and Genomics, Yi Chuan Xue Bao
https://www.readbyqxmd.com/read/28528183/effects-of-quercetin-on-proliferation-and-migration-of-human-glioblastoma-u251-cells
#10
Yue Liu, Zhen-Gang Tang, Yi Lin, Xin-Guo Qu, Wei Lv, Guo-Bin Wang, Cai-Li Li
Quercetin is a flavonoid that has been shown to have anti-oxidation, anti-inflammation, anti-allergic, anti-viral, and anti-cancer activities. Here, we examined the effects of quercetin on cell viability, cell cycle progression, and migration in U251 cells, a human glioblastoma cell line. We found that quercetin inhibited cell proliferation after treating cells for 24 (IC50 of 113.65μg/ml) or 48h (IC50 of 48.61μg/ml). Quercetin treatment also induced apoptosis via deregulating the expression of apoptotic genes, including Bax and Bcl-2, and arrested cell cycle at G2/M phases...
May 18, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28525946/ghrelin-attenuates-vascular-calcification-in-diabetic-patients-with-amputation
#11
Suining Xu, Fei Ye, Lihua Li, Jinchuan Yan, Zhengyang Bao, Zhen Sun, Liangjie Xu, Jie Zhu, Zhongqun Wang
Vascular calcification is established to be a critical factor in diabetes mellitus, which causes cardiovascular and amputation complication of diabetic patients. OPG/RANKL/RANK axis serves as a regulatory role in vascular calcification. Ghrelin, an endogenous ligand of growth hormone secretagogue receptor (GHSR), has been reported to exhibit potent cardiovascular protective effects. However, the role of ghrelin in the regulation of diabetic vascular calcification is still elusive. Here, we reported the role of ghrelin and its relationship with OPG/RANKL/RANK system in patients with diabetic foot amputation...
May 15, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28525903/polymorphisms-in-methotrexate-transporters-and-their-relationship-to-plasma-methotrexate-levels-toxicity-of-high-dose-methotrexate-and-outcome-of-pediatric-acute-lymphoblastic-leukemia
#12
Shu-Guang Liu, Chao Gao, Rui-Dong Zhang, Xiao-Xi Zhao, Lei Cui, Wei-Jing Li, Zhen-Ping Chen, Zhi-Xia Yue, Yuan-Yuan Zhang, Min-Yuan Wu, Jian-Xiang Wang, Zhi-Gang Li, Hu-Yong Zheng
High-dose methotrexate (HDMTX) plays an important role in the treatment of acute lymphoblastic leukemia (ALL) although there is great inter-patient variability in the efficacy and toxicity of MTX. The relationship between polymorphisms in genes encoding MTX transporters and MTX response is controversial. In the present study, 322 Chinese children with standard- and intermediate-risk ALL were genotyped for 12 polymorphisms. SLCO1B1 rs10841753 showed a significant association with plasma MTX levels at 48 h (P = 0...
May 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/28525710/mercury-telluride-quantum-dot-based-phototransistor-enabling-high-sensitivity-room-temperature-photodetection-at-2000-nanometers
#13
Mengyu Chen, Haipeng Lu, Nema M Abdelazim, Ye Zhu, Zhen Wang, Wei Ren, Stephen V Kershaw, Andrey L Rogach, Ni Zhao
Near-to-Mid infrared photodetection technologies could be widely deployed to advance the infrastructures of surveillance, environmental monitoring and manufacturing, if the detection devices would be low-cost, in compact format and with high performance. For such application requirements, colloidal quantum dot (QD) based photodetectors stand out as particularly promising due to the solution processability and ease of integration with silicon technologies; unfortunately, the detectivity of the QD photodetectors towards longer wavelengths has so far been low...
May 19, 2017: ACS Nano
https://www.readbyqxmd.com/read/28525393/novel-nb3o7f-ws2-hybrid-nanomaterials-with-enhanced-optical-absorption-and-photocatalytic-activity
#14
Fei Huang, Zhen Li, Aihua Yan, Hui Zhao, Hao Feng, Yuehua Wang
Coping with the increasing environmental issues, niobium oxyfluoride (Nb3O7F) as a novel semiconductor is a kind of promising photocatalyst due to its outstanding electronic and optoelectrinic properties. However, the photocatalytic performance of Nb3O7F is restricted in practical application due to its weak optical absorption and low carrier separation. In this work, novel Nb3O7F/WS2 hybrid nanocomposites with superior optical absorption and photocatalytic activity have been successfully synthesized by a facile two-step sol-hydrothermal technique...
May 19, 2017: Nanotechnology
https://www.readbyqxmd.com/read/28525387/sestrin-2-suppresses-cells-proliferation-through-ampk-mtorc1-pathway-activation-in-colorectal-cancer
#15
Jin-Lai Wei, Min Fang, Zhong-Xue Fu, Shou-Ru Zhang, Jin-Bao Guo, Rong Wang, Zhen-Bing Lv, Yong-Fu Xiong
Sestrin 2 is a conserved antioxidant protein that reduces reactive oxygen species (ROS) and inhibits mammalian target of rapamycin complex 1 (mTORC1). We previously showed that sestrin 2 is abnormally decreased in colorectal cancer (CRC). To elucidate the molecular mechanism behind the potential contribution of sestrin 2 to CRC, we used a lentiviral expression vector system to determine the effects of sestrin 2 overexpression on human CRC cells. We found that sestrin 2 overexpression decreased ROS production, inhibited cell growth, and stimulated apoptosis in two CRC cell lines...
May 3, 2017: Oncotarget
https://www.readbyqxmd.com/read/28524850/a-high-quantum-yield-molecule-protein-complex-fluorophore-for-near-infrared-ii-imaging
#16
Alexander L Antaris, Hao Chen, Shuo Diao, Zhuoran Ma, Zhe Zhang, Shoujun Zhu, Joy Wang, Alexander X Lozano, Quli Fan, Leila Chew, Mark Zhu, Kai Cheng, Xuechuan Hong, Hongjie Dai, Zhen Cheng
Fluorescence imaging in the second near-infrared window (NIR-II) allows visualization of deep anatomical features with an unprecedented degree of clarity. NIR-II fluorophores draw from a broad spectrum of materials spanning semiconducting nanomaterials to organic molecular dyes, yet unfortunately all water-soluble organic molecules with >1,000 nm emission suffer from low quantum yields that have limited temporal resolution and penetration depth. Here, we report tailoring the supramolecular assemblies of protein complexes with a sulfonated NIR-II organic dye (CH-4T) to produce a brilliant 110-fold increase in fluorescence, resulting in the highest quantum yield molecular fluorophore thus far...
May 19, 2017: Nature Communications
https://www.readbyqxmd.com/read/28524166/homology-mediated-end-joining-based-targeted-integration-using-crispr-cas9
#17
Xuan Yao, Xing Wang, Xinde Hu, Zhen Liu, Junlai Liu, Haibo Zhou, Xiaowen Shen, Yu Wei, Zijian Huang, Wenqin Ying, Yan Wang, Yan-Hong Nie, Chen-Chen Zhang, Sanlan Li, Leping Cheng, Qifang Wang, Yan Wu, Pengyu Huang, Qiang Sun, Linyu Shi, Hui Yang
Targeted integration of transgenes can be achieved by strategies based on homologous recombination (HR), microhomology-mediated end joining (MMEJ) or non-homologous end joining (NHEJ). The more generally used HR is inefficient for achieving gene integration in animal embryos and tissues, because it occurs only during cell division, although MMEJ and NHEJ can elevate the efficiency in some systems. Here we devise a homology-mediated end joining (HMEJ)-based strategy, using CRISPR/Cas9-mediated cleavage of both transgene donor vector that contains guide RNA target sites and ∼800 bp of homology arms, and the targeted genome...
May 19, 2017: Cell Research
https://www.readbyqxmd.com/read/28522875/serum-uric-acid-is-associated-with-erectile-dysfunction-a-population-based-cross-sectional-study-in-chinese-men
#18
Fengbin Gao, Boren Jiang, Zhen Cang, Ningjian Wang, Bing Han, Qin Li, Yi Chen, Yingchao Chen, Fangzhen Xia, Hualing Zhai, Chi Chen, Meng Lu, Ying Meng, Yingli Lu, Zhoujun Shen
The role that serum uric acid (UA) plays in the pathophysiological development of erectile dysfunction (ED) is controversial. We aimed to screen the factors related with ED, and to examine the association between serum UA and ED. Our data were derived from a cross-sectional Survey on Prevalence in East China for Metabolic Diseases and Risk Factors study in 2014-2015. Questionnaire of International Index of Erectile Dysfunction-5 was used for assessment of ED. Data were collected in three general communities respectively...
May 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28521475/microrna-1258-an-invasion-and-metastasis-regulator-that-targets-heparanase-in-gastric-cancer
#19
Jinxin Shi, Ping Chen, Jingxu Sun, Yongxi Song, Bin Ma, Peng Gao, Xiaowan Chen, Zhenning Wang
Numerous microRNAs (miRNAs/miRs) are involved in suppressing or promoting the formation of cancer. However, to the best of our knowledge, the role of miRNA-1258 in gastric cancer (GC) has not previously been investigated. Our previous study demonstrated an increased expression of heparanase (HPSE) in GC tissues and HPSE-facilitated invasion and metastasis of GC cells. Consequently, in the present study, the function of miR-1258 in the invasion and metastasis of GC cells was investigated to determine whether miR-1258 is associated with GC through HPSE...
May 2017: Oncology Letters
https://www.readbyqxmd.com/read/28521452/assessment-of-high-sensitivity-c-reactive-protein-tests-for-the-diagnosis-of-hepatocellular-carcinoma-in-patients-with-hepatitis-b-associated-liver-cirrhosis
#20
Li-Na Ma, Xiao-Yan Liu, Zhen-Hui Lu, Li-Gang Wu, Yuan-Yuan Tang, Xia Luo, Yan-Chao Hu, Ting-Ting Yan, Qi Wang, Xiang-Chun Ding, Yan Xie
Hepatocellular carcinoma (HCC) is a common malignant tumor worldwide, with high morbidity and mortality. Chronic infection with hepatitis B virus (HBV) is a major risk factor for the development of hepatocellular carcinoma and the majority (~80%) of hepatocellular carcinoma patients in China exhibit co-morbidity with HBV-associated liver cirrhosis. The goal of reliable early diagnostic and prognostic techniques for HBV-associated HCC remains unrealized. The aim of the present study was to explore the efficacy of serum high-sensitivity C-reactive protein (hs-CRP) tests in the early diagnosis of HCC in patients with HBV-associated liver cirrhosis...
May 2017: Oncology Letters
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