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https://www.readbyqxmd.com/read/28534978/demethylzeylasteral-ameliorates-inflammation-in-a-rat-model-of-unilateral-ureteral-obstruction-through-inhibiting-activation-of-the-nf%C3%A2-%C3%AE%C2%BAb-pathway
#1
Qiang Wang, Yanmei Xiao, Tongwei Liu, Haibo Yuan, Chunwu Li
The present study investigated the pharmacodynamic role and therapeutic mechanism of demethylzeylasteral in the suppression of inflammation in a rat model of unilateral ureteral obstruction and reduction in nuclear factor (NF)‑κB pathway activity. The rats in the unilateral ureteral obstruction model were treated with 30‑120 mg/kg demethylzeylasteral for 8 weeks. The activities of tumor necrosis factor (TNF)‑α, interleukin (IL)‑6 and caspase‑3/9, and the protein expression levels of cyclooxygenase (COX)‑2 and intercellular adhesion molecule‑1 (ICAM‑1) and NF‑κB p65 were analyzed using ELISA kits and western blot analyses, respectively...
May 16, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28534976/mir-130b-regulates-the-proliferation-invasion-and-apoptosis-of-glioma-cells-via-targeting-of-cyld
#2
Zhi-Qiang Xiao, Teng-Kun Yin, Ya-Xing Li, Jian-He Zhang, Jian-Jun Gu
MicroRNAs are short non-coding RNAs that play important roles in gliomas. However, the role of miR-130b in glioma remains unclear. In the present study, miR-130b expression was upregulated in glioma tissues and cell lines. Kaplan-Meier analysis indicated that the upregulation of miR-130b expression correlated with poor prognoses in glioma patients. Multivariate analysis demonstrated that this upregulation and a high-grade classification were independent factors that both predicted poor outcomes for glioma patients...
May 19, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28534956/effects-of-octreotide-on-hepatic-glycogenesis-in-rats-with-high-fat-diet%C3%A2-induced-obesity
#3
Xiao-Xia Wang, Ting Ye, Mao Li, Xian Li, Ou Qiang, Cheng-Wei Tang, Rui Liu
Reduced hepatic glycogenesis is one of the most important causes of metabolic abnormalities in non‑alcoholic fatty liver disease. Octreotide, a somatostatin analogue, has been demonstrated to promote weight loss and improve metabolic disorders in mice with high fat diet (HFD)‑induced obesity. However, whether octreotide affects hepatic glycogenesis is unknown. The aim of the present study was to verify the effects of octreotide on hepatic glycogenesis in rats with HFD‑induced obesity. Male Sprague‑Dawley rats were fed a standard diet or a HFD for 24 weeks...
May 16, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28534955/long-non%C3%A2-coding-rna-ab019562-promotes-cell-proliferation-and-metastasis-in-human-hepatocellular-carcinoma
#4
Fan Wu, Jie Li, Xin Du, Weisan Zhang, Ping Lei, Qiang Zhang
Increasing evidence has supported the prognostic and therapeutic values of long non-coding RNAs (LncRNAs) in human tumorigenesis. Hepatocellular carcinoma (HCC), as one of the most refractory diseases, continues to warrant investigation for novel clues to enable early diagnosis. In the present study, the role of LncRNA AB019562 in cell proliferation and metastasis was investigated in HCC. Reverse transcription‑quantitative polymerase chain reaction analysis was performed to determine the expression of AB019562 in clinical HCC samples and cultured HCC cells...
May 19, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28534899/fabrication-of-pt-cu3-po4-2-ultrathin-nanosheet-heterostructure-for-photoelectrochemical-microrna-sensing-using-novel-g-wire-enhanced-strategy
#5
Cui Ye, Min Qiang Wang, Ling Jie Li, Hong Qun Luo, Nian Bing Li
Herein, we focus on preparing a highly efficient photocatalytic material to construct a signal-on photoelectrochemical (PEC) sensing platform in view of the rigorous demand of accurate miRNA quantification. The well-dispersed Pt nanoclusters-coated copper phosphate ultrathin nanosheets (PtNCs/Cu3(PO4)2NSs) were first successfully synthesized as a photoelectrode material. Because of the ultrathin two-dimensional lamellar structure of Cu3(PO4)2NSs with a 1.3 nm thickness, as well as the homogeneous size and abundant PtNCs loaded on Cu3(PO4)2NSs, the resultant PtNCs/Cu3(PO4)2NSs were employed as a photoelectrode material for the first time and revealed outstanding photocatalytic activity in PEC sensing as a substrate...
May 23, 2017: Nanoscale
https://www.readbyqxmd.com/read/28534563/enhanced-catalytic-performance-of-a-pdo-catalyst-prepared-via-a-two-step-method-of-in-situ-reduction-oxidation
#6
Wei Hu, Guang-Xia Li, Jian-Jun Chen, Fu-Jin Huang, Yang Wu, Shan-Dong Yuan, Lin Zhong, Yao-Qiang Chen
A supported PdO nanocatalyst prepared by a facile in situ reduction process followed by an oxidation step showed significantly enhanced activity for the removal of pollutants from natural gas vehicles. The excellent catalytic performance is mainly due to high dispersion of the uniform PdO nanoparticles generated during the novel two-step method.
May 23, 2017: Chemical Communications: Chem Comm
https://www.readbyqxmd.com/read/28534501/electronic-evidence-of-temperature-induced-lifshitz-transition-and-topological-nature-in-zrte5
#7
Yan Zhang, Chenlu Wang, Li Yu, Guodong Liu, Aiji Liang, Jianwei Huang, Simin Nie, Xuan Sun, Yuxiao Zhang, Bing Shen, Jing Liu, Hongming Weng, Lingxiao Zhao, Genfu Chen, Xiaowen Jia, Cheng Hu, Ying Ding, Wenjuan Zhao, Qiang Gao, Cong Li, Shaolong He, Lin Zhao, Fengfeng Zhang, Shenjin Zhang, Feng Yang, Zhimin Wang, Qinjun Peng, Xi Dai, Zhong Fang, Zuyan Xu, Chuangtian Chen, X J Zhou
The topological materials have attracted much attention for their unique electronic structure and peculiar physical properties. ZrTe5 has host a long-standing puzzle on its anomalous transport properties manifested by its unusual resistivity peak and the reversal of the charge carrier type. It is also predicted that single-layer ZrTe5 is a two-dimensional topological insulator and there is possibly a topological phase transition in bulk ZrTe5. Here we report high-resolution laser-based angle-resolved photoemission measurements on the electronic structure and its detailed temperature evolution of ZrTe5...
May 23, 2017: Nature Communications
https://www.readbyqxmd.com/read/28534286/development-of-a-novel-resin-based-dental-material-with-dual-biocidal-modes-and-sustained-release-of-ag-ions-based-on-photocurable-core-shell-agbr-cationic-polymer-nanocomposites
#8
Weiwei Cao, Yu Zhang, Xi Wang, Yinyan Chen, Qiang Li, Xiaodong Xing, Yuhong Xiao, Xuefeng Peng, Zhiwen Ye
Research on the incorporation of cutting-edge nano-antibacterial agent for designing dental materials with potent and long-lasting antibacterial property is demanding and provoking work. In this study, a novel resin-based dental material containing photocurable core-shell AgBr/cationic polymer nanocomposite (AgBr/BHPVP) was designed and developed. The shell of polymerizable cationic polymer not only provided non-releasing antibacterial capability for dental resins, but also had the potential to polymerize with other methacrylate monomers and prevented nanoparticles from aggregating in the resin matrix...
July 2017: Journal of Materials Science. Materials in Medicine
https://www.readbyqxmd.com/read/28533963/morphology-of-an-early-oligocene-beaver-propalaeocastor-irtyshensis-and-the-status-of-the-genus-propalaeocastor
#9
Lüzhou Li, Qiang Li, Xiaoyu Lu, Xijun Ni
The Early to Late Oligocene Propalaeocastor is the earliest known beaver genus from Eurasia. Although many species of this genus have been described, these species are defined based on very fragmentary specimens. Propalaeocastor irtyshensis from the Early Oligocene Irtysh River Formation in northwestern Xinjiang, China is one of the earliest-known members of Propalaeocastor. This species is defined on a single maxillary fragment. We revise the diagnosis of P. irtyshensis and the genus Propalaeocastor, based on newly discovered specimens from the Irtysh River Formation...
2017: PeerJ
https://www.readbyqxmd.com/read/28533675/comparison-of-endoscopic-ultrasound-computed-tomography-and-magnetic-resonance-imaging-in-assessment-of-detailed-structures-of-pancreatic-cystic-neoplasms
#10
Chen Du, Ning-Li Chai, En-Qiang Linghu, Hui-Kai Li, Li-Hua Sun, Lei Jiang, Xiang-Dong Wang, Ping Tang, Jing Yang
AIM: To evaluate the advantages of endoscopic ultrasound (EUS) in the assessment of detailed structures of pancreatic cystic neoplasms (PCNs) compared to computed tomography (CT) and magnetic resonance imaging (MRI). METHODS: All patients with indeterminate PCNs underwent CT, MRI, and EUS. The detailed information, including size, number, the presence of a papilla/nodule, the presence of a septum, and the morphology of the pancreatic duct of PCNs were compared among the three imaging modalities...
May 7, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28533663/low-grade-slightly-elevated-and-polypoid-colorectal-adenomas-display-differential-%C3%AE-catenin-tcf-lef-activity-c-myc-and-cyclin-d1-expression
#11
Tian-Wen Yang, Yun-Han Gao, Sha-Ying Ma, Qiang Wu, Zhong-Fu Li
AIM: To comparatively investigate the cellular and molecular characteristics of low-grade slightly elevated adenomas and polypoid adenomas. METHODS: Colorectal tumors were collected from 24 patients with slightly elevated adenomas and 23 patients with polypoid adenomas. Five commonly mutated genes (APC, BRAF, KRAS, NRAS, and PIK3CA) were selected for mutational analysis. Paraffin-embedded tumor sections were used to calculate the apoptotic index (AI) and Ki-67 labeling index (KLI)...
May 7, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28533413/confined-catalysis-under-two-dimensional-materials
#12
Haobo Li, Jianping Xiao, Qiang Fu, Xinhe Bao
Confined microenvironments formed in heterogeneous catalysts have recently been recognized as equally important as catalytically active sites. Understanding the fundamentals of confined catalysis has become an important topic in heterogeneous catalysis. Well-defined 2D space between a catalyst surface and a 2D material overlayer provides an ideal microenvironment to explore the confined catalysis experimentally and theoretically. Using density functional theory calculations, we reveal that adsorption of atoms and molecules on a Pt(111) surface always has been weakened under monolayer graphene, which is attributed to the geometric constraint and confinement field in the 2D space between the graphene overlayer and the Pt(111) surface...
May 22, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28531231/utility-of-th1-cell-immune-responses-for-distinguishing-active-tuberculosis-from-non-active-tuberculosis-a-case-control-study
#13
Lifan Zhang, Xinhe Cheng, Sainan Bian, Yanhua Song, Qiang Li, Mengqiu Gao, Yueqiu Zhang, Xiaochun Shi, Xiaoqing Liu
Currently available Interferon-γ release assay (IGRA) cannot reliably differentiate active TB (ATB) from non-active TB (non-ATB). A study was performed to evaluate the value of Mycobacterium tuberculosis (MTB) specific Th1 cell immune responses which test IFN-γ and IL-2 simultaneous for differentiating ATB from non-ATB. Forty-nine newly diagnosed inpatients with ATB (26 pulmonary TB and 23 extrapulmonary TB) were enrolled as the ATB group. Forty-five volunteers with latent tuberculosis infection (LTBI) and twenty with evidence of previous TB were enrolled during the same period as the non-ATB group...
2017: PloS One
https://www.readbyqxmd.com/read/28531120/antidiabetic-effects-of-tea
#14
REVIEW
Qiu-Yue Fu, Qing-Sheng Li, Xiao-Ming Lin, Ru-Ying Qiao, Rui Yang, Xu-Min Li, Zhan-Bo Dong, Li-Ping Xiang, Xin-Qiang Zheng, Jian-Liang Lu, Cong-Bo Yuan, Jian-Hui Ye, Yue-Rong Liang
Diabetes mellitus (DM) is a chronic endocrine disease resulted from insulin secretory defect or insulin resistance and it is a leading cause of death around the world. The care of DM patients consumes a huge budget due to the high frequency of consultations and long hospitalizations, making DM a serious threat to both human health and global economies. Tea contains abundant polyphenols and caffeine which showed antidiabetic activity, so the development of antidiabetic medications from tea and its extracts is increasingly receiving attention...
May 20, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28530735/direct-observation-of-cation-distributions-of-ideal-inverse-spinel-cofe2o4-nanofibres-and-correlated-magnetic-properties
#15
Xue Zeng, Junwei Zhang, Shimeng Zhu, Xia Deng, Hongbin Ma, Junli Zhang, Qiang Zhang, Peng Li, Desheng Xue, Nigel J Mellors, Xixiang Zhang, Yong Peng
Low-dimensional spinel ferrites have recently attracted increasing attention because their tunable magnetic properties make them attractive candidates as spin-filtering tunnel barriers in spintronic devices and as magnetic components in artificial multiferroic heterostructures. Although we know that the distribution of cations (Fe(3+) and Co(2+)) in a spinel structure governs its magnetic properties, their distribution in the so-called ideal inverse spinel structure of a ferrite, CoFe2O4, has not yet been imaged with sub-ångstrom resolution...
May 22, 2017: Nanoscale
https://www.readbyqxmd.com/read/28530649/thymidine-phosphorylase-promotes-metastasis-and-serves-as-a-marker-of-poor-prognosis-in-hepatocellular-carcinoma
#16
Qiang Zhang, Yang Zhang, Xuejiao Hu, Yuan Qin, Weilong Zhong, Jing Meng, Ting Xiao, Chunhong Zhang, Meng Li, Shuang Chen, Huijuan Liu, Yanrong Liu, Tao Sun, Cheng Yang
Hepatocellular carcinoma (HCC) ranks as one of the most common and lethal malignancies worldwide. A better understanding of the mechanism responsible for HCC metastasis will be helpful for the treatment of HCC patients. Thymidine phosphorylase (TP), a key enzyme that catalyzes the conversion of thymidine to thymine and deoxyribose-1-phosphate, was demonstrated to promote the invasion and metastasis of HCC in our study. Clinical retrospective analysis revealed that metastatic HCC tumor tissues have higher TP expression, and TP expression was significantly correlated with matrix metalloproteinase (MMP) 2 and 9 expression...
May 22, 2017: Laboratory Investigation; a Journal of Technical Methods and Pathology
https://www.readbyqxmd.com/read/28530271/intense-blue-circularly-polarized-luminescence-from-helical-aromatic-esters
#17
Dong-Qiang He, Hai-Yan Lu, Meng Li, Chuan-Feng Chen
A new class of chiral organic molecules was synthesized with CPL properties based on helical aromatic esters. The molecules not only show blue fluorescence with high quantum yields in solution and films, but also exhibit intense CPL with large glum.
May 22, 2017: Chemical Communications: Chem Comm
https://www.readbyqxmd.com/read/28530022/development-of-a-reverse-transcription-quantitative-polymerase-chain-reaction-based-assay-for-broad-coverage-detection-of-african-and-asian-zika-virus-lineages
#18
Yang Yang, Gary Wong, Baoguo Ye, Shihua Li, Shanqin Li, Haixia Zheng, Qiang Wang, Mifang Liang, George F Gao, Lei Liu, Yingxia Liu, Yuhai Bi
The Zika virus (ZIKV) is an arbovirus that has spread rapidly worldwide within recent times. There is accumulating evidence that associates ZIKV infections with Guillain-Barré Syndrome (GBS) and microcephaly in humans. The ZIKV is genetically diverse and can be separated into Asian and African lineages. A rapid, sensitive, and specific assay is needed for the detection of ZIKV across various pandemic regions. So far, the available primers and probes do not cover the genetic diversity and geographic distribution of all ZIKV strains...
May 19, 2017: Virologica Sinica
https://www.readbyqxmd.com/read/28529930/the-central-role-of-ifi204-in-ifn-%C3%AE-release-and-autophagy-activation-during-mycobacterium-bovis-infection
#19
Liu Chunfa, Sun Xin, Li Qiang, Srinand Sreevatsan, Lifeng Yang, Deming Zhao, Xiangmei Zhou
Mycobacterium bovis (M. bovis) is the pathogen of animals and humans that can replicate in the phagosomes of myeloid cells. Cytosolic detection of bacterial products plays a crucial role in initiating the innate immune response, including autophagy activation and interferon-β (IFN-β) release. Although IFN-β release and autophagy activation have been reported during mycobacterium infection, the mechanisms underlying remains poorly defined. Here, we demonstrated that IFN-β release increases in macrophages exposed to M...
2017: Frontiers in Cellular and Infection Microbiology
https://www.readbyqxmd.com/read/28529242/hyperuricemia-as-a-protective-factor-for-mild-cognitive-impairment-in-non-obese-elderly
#20
Feng Wang, Minghui Zhao, Zhaoli Han, Dai Li, Shishuang Zhang, Yongqiang Zhang, Xiaodong Kong, Ning Sun, Qiang Zhang, Ping Lei
Mild cognitive impairment (MCI) is regarded as incipient dementia. Patients with MCI have increased risk of later progressing to dementia. Blood uric acid (UA) is an important non-enzymatic antioxidant in peripheral circulation, and plays an unconfirmed protective role in MCI. Furthermore, obesity-induced inflammation, which affects UA metabolism and MCI onset, might regulate such protective role. Thus, the aim of the study was to determine the relationship of UA to MCI and the potential effect from inflammation...
2017: Tohoku Journal of Experimental Medicine
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