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https://www.readbyqxmd.com/read/29344274/immunotherapy-of-patient-with-hepatocellular-carcinoma-using-cytotoxic-t-lymphocytes-ex-vivo-activated-with-tumor-antigen-pulsed-dendritic-cells
#1
Ying Wang, Xijing Yang, Yi Yu, Zenghui Xu, Yan Sun, Hui Liu, Jingbo Cheng, Min Liu, Bibo Sha, Linfang Li, Na Ding, Zhong Li, Huajun Jin, Qijun Qian
Purpose The aim of this study was to evaluate the clinical response of immunotherapy with dendritic cell-cytotoxic T lymphocytes (DC-CTLs) in patients with hepatocellular carcinoma (HCC). Method Sixty-eight patients with a confirmed diagnosis of HCC and who received follow-up until December 2015 were enrolled. We measured immune phenotypes of DCs and activated T cells using flow cytometry and clinical indexes using an electrochemiluminescence method. Results DCs exhibited up-regulation of the maturation markers CD83, CD80, CD11c, and CD86 on day8...
2018: Journal of Cancer
https://www.readbyqxmd.com/read/29218012/anti-tumor-effect-of-rhaponticum-uniflorum-ethyl-acetate-extract-by-regulation-of-peroxiredoxin1-and-epithelial-to-mesenchymal-transition-in-oral-cancer
#2
Hui Chen, Chunxiao Wang, Moci Qi, Lihua Ge, Zhenchuan Tian, Jinhua Li, Min Zhang, Min Wang, Linfang Huang, Xiaofei Tang
Objective: To explore whether Rhaponticum uniflorum (R. uniflorum) had anti-tumor effects in oral cancer and investigate the molecular mechanisms involved in these anti-tumor effects. Methods: Chemical compositions of R. uniflorum ethyl acetate (RUEA) extracts were detected by ultra-performance liquid chromatography-Q/time-of-flight mass spectrometry (UPLC-Q/TOF-MS), followed by pharmacology-based network prediction analysis. The effects of RUEA extracts on proliferation, apoptosis, migration, and invasion ability of human oral squamous cell carcinoma (OSCC) cell line SCC15 were evaluated by CCK8 assay, Annexin V- fluorescein isothiocyanate/propidium iodide staining, wound healing assay, and Matrigel invasion assay, respectively...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/29210380/construction-of-magnetically-separable-nial-ldh-fe3o4-rgo-nanocomposites-with-enhanced-photocatalytic-performance-under-visible-light
#3
Jie Ni, Jinjuan Xue, LinFang Xie, Jing Shen, Guangyu He, Haiqun Chen
Magnetic NiAl layered doubled hydroxide (LDH)/Fe3O4-RGO composites were successfully synthesized via a simple hydrothermal route. The as-prepared samples were well characterized by X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS), field emission scanning electron microscopy (FE-SEM) and transmission electron microscopy (TEM). The results showed that NiAl LDH nanoplatelets and Fe3O4 nanoparticles sized around 15 nm were uniformly anchored on the surface of graphene sheets. The NiAl LDH/Fe3O4-RGO25 photocatalyst was employed to degrade ciprofloxacin (CIP) in an aqueous solution under visible light irradiation...
December 6, 2017: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/29196641/simultaneous-realization-of-high-sensing-sensitivity-and-tunability-in-plasmonic-nanostructures-arrays
#4
Yuan-Fong Chou Chau, Chan-Kuang Wang, Linfang Shen, Chee Ming Lim, Hai-Pang Chiang, Chung-Ting Chou Chao, Hung Ji Huang, Chun-Ting Lin, N T R N Kumara, Nyuk Yoong Voo
A plasmonic nanostructure (PNS) which integrates metallic and dielectric media within a single structure has been shown to exhibit specific plasmonic properties which are considered useful in refractive index (RI) sensor applications. In this paper, the simultaneous realization of sensitivity and tunability of the optical properties of PNSs consisting of alternative Ag and dielectric of nanosphere/nanorod array have been proposed and compared by using three-dimensional finite element method. The proposed system can support plasmonic hybrid modes and the localized surface plasmonic resonances and cavity plasmonic resonances within the individual PNS can be excited by the incident light...
December 1, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29190879/longevity-of-protective-immune-responses-induced-by-a-split-influenza-a-h7n9-vaccine-mixed-with-mf59-adjuvant-in-balb-c-mice
#5
Huilin Ou, Wei Yao, Dongshan Yu, Tianhao Weng, Frederick X C Wang, Xiaoxin Wu, Haibo Wu, Linfang Cheng, Xiangyun Lu, Nanping Wu, Honglin Chen, Lanjuan Li, Hangping Yao
The influenza virus is a serious threat to public health worldwide. A novel avian influenza A (H7N9) virus with a mortality rate of approximately 30% has been identified as an unusually dangerous virus for humans by the World Health Organization. Pathogenic H7N9 continue to represent a public health concern, and several candidate vaccines are currently in development. We generated candidate H7N9 vaccine strains using reverse genetics, consisting of hemagglutinin and neuraminidase genes derived from a human H7N9 virus and the remaining genes from the PR8 (A/PuertoRico/8/34 (H1N1)) virus...
November 3, 2017: Oncotarget
https://www.readbyqxmd.com/read/29182593/analytical-methods-of-phytochemicals-from-the-genus-gentiana
#6
REVIEW
Yan Xu, Ying Li, Katherine G Maffucci, Linfang Huang, Rui Zeng
The genus Gentiana comprises approximately 400 species. Many species have a wide range of pharmacological activities and have been used therapeutically for thousands of years. To provide comprehensive guidance, utilization and quality control of Gentiana species, this review presents updated information concerning the recent application and progress of chemical analysis including phytochemical analysis, sample preparation and chemometrics. Detailed and comprehensive data including number of analytes, extraction/separation methods, analytical techniques and chemometrics are shown as corresponding tables...
November 28, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/29171118/translesional-pressure-gradient-and-leptomeningeal-collateral-status-in-symptomatic-middle-cerebral-artery-stenosis
#7
Xinyi Leng, Linfang Lan, Hing Lung Ip, Florence Fan, Sze Ho Ma, Karen Ma, Haipeng Liu, Zhengzheng Yan, Jia Liu, Jill Abrigo, Yannie Oy Soo, David S Liebeskind, Ka Sing Wong, Thomas W Leung
BACKGROUND AND PURPOSE: Leptomeningeal collateral (LMC) status governs prognosis of large artery occlusive stroke, while factors determining the LMC status were not fully elucidated. We aimed to investigate metrics affecting LMC status in such patients by using computational fluid dynamics (CFD) models based on CT angiography (CTA). METHODS: In this cross-sectional study, we recruited patients with recent ischemic stroke or transient ischemic attack attributed to atherosclerotic M1 middle cerebral artery (MCA) stenosis (50-99%)...
November 24, 2017: European Journal of Neurology: the Official Journal of the European Federation of Neurological Societies
https://www.readbyqxmd.com/read/29156573/neuraminidase-inhibitory-activity-and-constituent-characterization-of-fagopyrum-dibotrys
#8
Xiang Zhang, Yu Cao, Jinhua Li, Ailin Liu, Haibo Liu, Linfang Huang
This study aimed to identify a new biological activity of the widely distributed species Fagopyrum dibotrys. Four F. dibotrys extracts (ethyl acetate (EA), petroleum ether (P), ethanol (E), and water (W)) were explored for their anti-neuraminidase (NA) activity. A total of 32 compounds were identified using UHPLC-Q-Exactive Orbitrap HRMS in the EA extract, which had the best NA inhibitory effects. We used the docking data for supporting compounds' anti-neuraminidase activity. Among them, five compounds including one flavonoid, three organic acids, and one glucoside were discovered for the first time in F...
November 18, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/29146988/variations-in-nutrient-and-trace-element-composition-of-rice-in-an-organic-rice-frog-coculture-system
#9
Zhimin Sha, Qingnan Chu, Zheng Zhao, Yubo Yue, Linfang Lu, Jing Yuan, Linkui Cao
Introducing frogs into paddy fields can control pests and diseases, and organic farming can improve soil fertility and rice growth. The aim of this 2-year field study was compare the yield and elemental composition of rice between an organic farming system including frogs (ORF) and a conventional rice culture system (CR). The grain yields were almost the same in the ORF system and the CR system. The ORF significantly increased the contents of phosphorus (P), ion (Fe), zinc (Zn), molybdenum (Mo) and selenium (Se) in rice grain at one or both years...
November 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29111361/cerebral-venous-collagen-remodeling-in-a-modified-white-matter-lesions-animal-model
#10
Jing Lin, Linfang Lan, Dilong Wang, Baoshan Qiu, Yuhua Fan
To mimic the expected pathological changes of white matter lesions (WMLs) and increase the stability, we applied modified two-vessel occlusion (modified 2VO) (1-week interval bilateral carotid artery occlusion) in stroke-prone renovascular hypertensive rats (RHRSP) and established a modified WMLs model (RHRSP/modified 2VO) that compared their phenotypes with RHRSP and sham-operated rats. In addition, we tried to differentiate small veins from small arteries through the presence of smooth muscle to study the pathological changes of small veins detailed in the model...
October 31, 2017: Neuroscience
https://www.readbyqxmd.com/read/29107636/impact-of-side-branches-on-the-computation-of-fractional-flow-in-intracranial-arterial-stenosis-using-the-computational-fluid-dynamics-method
#11
Haipeng Liu, Linfang Lan, Xinyi Leng, Hing Lung Ip, Thomas W H Leung, Defeng Wang, Ka Sing Wong
BACKGROUND: Computational fluid dynamics (CFD) allows noninvasive fractional flow (FF) computation in intracranial arterial stenosis. Removal of small artery branches is necessary in CFD simulation. The consequent effects on FF value needs to be judged. METHODS: An idealized vascular model was built with 70% focal luminal stenosis. A branch with one third or one half of the radius of the parent vessel was added at a distance of 5, 10, 15 and 20 mm to the lesion...
October 27, 2017: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/29050214/prox1-represses-il-2-gene-expression-by-interacting-with-nfat2
#12
Shujie Zhang, Ning Yu, Linfang Wang, Yanfeng Liu, Yuying Kong, Jing Liu, Youhua Xie
Interleukin-2 (IL-2) is critical for T lymphocyte activation and regulated by many transcriptional factors. Prospero-related homeobox 1 (Prox1) is a multifunctional transcription factor, which can work as either a transcriptional activator or repressor depending on the cellular and developmental environment. We previously reported the Prox1 expression in T cells, raising the possibility of Prox1 involvement in the regulation of T cell function and IL-2 production. Here we demonstrated that the Prox1 expression in CD4+ T cells was downregulated by T cell receptor (TCR) activation...
September 19, 2017: Oncotarget
https://www.readbyqxmd.com/read/29049369/discrimination-and-prediction-of-cultivation-age-and-parts-of-panax-ginseng-by-fourier-transform-infrared-spectroscopy-combined-with-multivariate-statistical-analysis
#13
Byeong-Ju Lee, Hye-Youn Kim, Sa Rang Lim, Linfang Huang, Hyung-Kyoon Choi
Panax ginseng C.A. Meyer is a herb used for medicinal purposes, and its discrimination according to cultivation age has been an important and practical issue. This study employed Fourier-transform infrared (FT-IR) spectroscopy with multivariate statistical analysis to obtain a prediction model for discriminating cultivation ages (5 and 6 years) and three different parts (rhizome, tap root, and lateral root) of P. ginseng. The optimal partial-least-squares regression (PLSR) models for discriminating ginseng samples were determined by selecting normalization methods, number of partial-least-squares (PLS) components, and variable influence on projection (VIP) cutoff values...
2017: PloS One
https://www.readbyqxmd.com/read/28956837/predicting-the-global-potential-distribution-of-four-endangered-panax-species-in-middle-and-low-latitude-regions-of-china-by-the-geographic-information-system-for-global-medicinal-plants-gmpgis
#14
Zhixia Du, Jie Wu, Xiangxiao Meng, Jinhua Li, Linfang Huang
Global biodiversity is strongly influenced by the decrease in endangered biological species. Predicting the distribution of endangered medicinal plants is necessary for resource conservation. A spatial distribution model-geographic information system for global medicinal plants (GMPGIS)-is used to predict the global potential suitable distribution of four endangered Panax species, including Panax japonicas (T. Nees) C. A. Meyer and Panax japonicas var. major (Burkill) C. Y. Wu & K. M. Feng distributed in low- and middle-latitude, Panax zingiberensis C...
September 28, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28946190/p38-map-kinase-is-involved-in-oleuropein-induced-apoptosis-in-a549-cells-by-a-mitochondrial-apoptotic-cascade
#15
Shasha Cao, Xixi Zhu, Linfang Du
Lung cancer is one of malignant tumors that cause great threats to human health, which causes the fastest growing morbidity and mortality. Oleuropein as natural production exerts anticancer effects in several cancer cells. In the study, we investigated apoptotic effect of oleuropein on A549 cells and the underlying mechanisms. Oleuropein markedly decreased cell viability in A549 cells by resulting in G2/M phase arrest, but failed to decreased cell viability in BEAS-2B cells significantly. Apoptosis by oleuropein was confirmed by apoptotic morphology, accumulation in a sub-G1 peak, nucleus fragmentation and cleavage of PARP...
November 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28945770/chemical-and-genetic-diversity-of-astragalus-mongholicus-grown-in-different-eco-climatic-regions
#16
Lin Li, Sihao Zheng, Josef A Brinckmann, Juan Fu, Rui Zeng, Linfang Huang, Shilin Chen
Astragalus mongholicus Bunge (Fabaceae) is an important plant source of the herbal drug known as Radix Astragali, which is used worldwide as a medicinal ingredient and a component of food supplement. Russian Federation, Mongolia, Kazakhstan, and China are the main natural distribution areas of A. mongholicus in the world. However, the quality of medicinal plant varies among different locations. As for A. mongholicus, limited literature focused on its biodiversity mechanism. Here, we combined the chemometric analysis of chemical components with genetic variation, as well as climatic and edaphic traits, to reveal the biodiversity mechanism of A...
2017: PloS One
https://www.readbyqxmd.com/read/28945464/transcriptome-profiling-of-clematis-apiifolia-insights-into-heat-stress-responses
#17
Lulu Gao, Yuzhu Ma, Peng Wang, Shu'an Wang, Rutong Yang, Qing Wang, Linfang Li, Ya Li
Clematis apiifolia, belonging to the Clematis L., is a woody vine native to China. It is characterized as heat resistant and fast growing. To better understand potential mechanisms involved in heat-stress responses in Clematis, we characterized the digital gene expression signatures of C. apiifolia under heat-stress conditions. Using RNA sequencing technology, we sequenced six libraries, three biological replicates of control samples and three of heat-stressed samples. In total, 61,708 unigenes were obtained, 36,447 (59...
November 2017: DNA and Cell Biology
https://www.readbyqxmd.com/read/28892002/state-of-panax-ginseng-research-a-global-analysis
#18
REVIEW
Wanqi Xu, Hyung-Kyoon Choi, Linfang Huang
This article aims to understand the global and longitudinal trends of research on Panax ginseng. We used bibliometrics to analyze 3974 papers collected from the Web of Science(TM) Core Collection database during 1959-2016. The number of publications showed a steady growth before 2000 and exponentially increased in stage III (2000-2016, about 86% of the papers were published). Research on P. ginseng was conducted in 64 countries, mainly in Asia; in particular, 41% and 28% of the publications were from South Korea and China, respectively...
September 11, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28885057/plasticity-in-older-adults-theory-of-mind-performance-the-impact-of-motivation
#19
Xin Zhang, Serena Lecce, Irene Ceccato, Elena Cavallini, Linfang Zhang, Tianyong Chen
OBJECTIVE: Recently, motivation has been found to attenuate the age-related decline in Theory of Mind (ToM) performance (i.e. faux pas recognition). However, whether or not this effect could be generalized to other ToM tasks is still unknown. In the present study, we investigated whether and how motivation could enhance older adults' performance and reduce age differences in ToM tasks (Faux Pas vs. Animation task) that differ in familiarity. METHOD: Following a previous paradigm, 171 Chinese adults (87 younger adults and 84 older adults) were recruited, and we experimentally manipulated the level of perceived closeness between participants and the experimenter before administering the ToM tasks in order to enhance participants' motivation...
September 8, 2017: Aging & Mental Health
https://www.readbyqxmd.com/read/28881608/anti-tumor-efficacy-of-theliatinib-in-esophageal-cancer-patient-derived-xenografts-models-with-epidermal-growth-factor-receptor-egfr-overexpression-and-gene-amplification
#20
Yongxin Ren, Jianming Zheng, Shiming Fan, Linfang Wang, Min Cheng, Dongxia Shi, Wei Zhang, Renxiang Tang, Ying Yu, Longxian Jiao, Jun Ni, Haibin Yang, Huaqing Cai, Fang Yin, Yunxin Chen, Feng Zhou, Weihan Zhang, Weiguo Qing, Weiguo Su
Targeted therapy is not yet approved for esophageal cancer (EC). In this study, we first evaluated EGFR gene and protein expression in 70 Chinese EC patient tumor samples collected during surgery. We then established 23 patient-derived EC xenograft (PDECX) models and assessed the efficacy of theliatinib, a potent and highly selective EGFR inhibitor currently in Phase I clinical study, in 9 PDECX models exhibiting various EGFR expression levels. Immunohistochemical analysis showed that 50 patient tumor samples (71...
August 1, 2017: Oncotarget
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