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Hui Wang, Bin Fang, Lin Kong, Xiangzi Li, Zhijun Feng, Yunjun Wu, Kajsa Uvdal, Zhangjun Hu
A novel donor-π-acceptor-π-donor type (D-π-A-π-D') Schiff base derivative (L) has been designed and synthesized. The structure of L is confirmed by single-crystal X-ray diffraction analysis as well. The photophysical properties of compound L were comprehensively investigated by using both experimental and theoretical methods. The results indicate that L exhibits large Stokes shift and moderate two-photon action (2PA) cross-section in the near infrared (NIR) region. Furthermore, the confocal microscopy imaging study demonstrates that compound L could penetrate into cells and target the cellular mitochondria compartment...
March 13, 2018: Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy
Wei Wu, Jin Wang, Peter Ercius, Nicomario Courtney Wright, Danielle Marie Leppert-Simenauer, Robert A Burke, Madan Dubey, Avinash M Dongare, Michael Thompson Pettes
Transition metal dichalcogenides (TMDs) are particularly sensitive to mechanical strain as they are capable of experiencing high atomic displacements without nucleating defects to release excess energy. Promising for photonic applications, it has been shown that as certain phases of layered TMDs MX2 (M=Mo, W; X=S, Se, Te) are scaled to a thickness of one monolayer, the photoluminescence response is dramatically enhanced due to the emergence of a direct electronic band gap, compared with their multi-layer or bulk counterparts which typically exhibit indirect band gaps...
March 20, 2018: Nano Letters
Lei Hu, Feiyu Qin, Andrea Sanson, Liang-Feng Huang, Zhao Pan, Qiang Li, Qiang Sun, Lu Wang, Fangming Guo, Umut Aydemir, Yang Ren, Chengjun Sun, Jinxia Deng, Giuliana Aquilanti, James M Rondinelli, Jun Chen, Xianran Xing
The local symmetry, beyond the averaged crystallographic structure, tends to bring unusual performances. Negative thermal expansion is a peculiar physical property of solids. Here, we report the delicate design of the localized symmetry breaking to achieve the controllable thermal ex-pansion in ScF3 nano-scale frameworks. Intriguingly, an iso-tropic zero thermal expansion is concurrently engineered by localized symmetry breaking, with a remarkably low coefficient of thermal expansion of about +4.0×10-8/K up to 675K...
March 20, 2018: Journal of the American Chemical Society
Chang Liu, Xueqin Ran, Jiafu Wang, Sheng Li, Jianfeng Liu
Genomic structural variation (SV) is noticed for the contribution to genetic diversity and phenotypic changes. Guizhou indigenous pig (GZP) has been raised for hundreds of years with many special characteristics. The present paper aimed to uncover the influence of SV on gene polymorphism and the genetic mechanisms of phenotypic traits for GZP. Eighteen GZPs were chosen for resequencing by Illumina sequencing platform. The confident SVs of GZP were called out by both programs of pindel and softSV simultaneously and compared with the SVs deduced from the genomic data of European pig (EUP) and the native pig outside of Guizhou, China (NPOG)...
2018: PloS One
Ge Li, Baodong Wang, Wayne Qiang Xu, Yonglong Li, Yifan Han, Qi Sun
Nitrogen oxides (NOx ) and sulfur dioxide (SO2 ) are major air pollutants, so simultaneously removing them from gases emitted during fossil fuel combustion in stationary systems is important. Wet denitrification using urea is used for a wide range of systems. Additives have strong effects on wet denitrification using urea, and different mechanisms are involved and different effects found using different additives. In this study, the effects of different additives, initial urea concentrations, reaction temperatures, initial pH values, gas flow rates, and reaction times on the simultaneous desulfurization and denitrification efficiencies achieved using wet denitrification using urea were studied in single factor experiment...
March 20, 2018: Environmental Technology
Keith G Avin, Julian A Vallejo, Neal X Chen, Kun Wang, Chad D Touchberry, Marco Brotto, Sarah L Dallas, Sharon M Moe, Michael J Wacker
Skeletal muscle dysfunction accompanies the clinical disorders of chronic kidney disease (CKD) and hereditary hypophosphatemic rickets. In both disorders fibroblast growth factor 23 (FGF23), a bone-derived hormone regulating phosphate and vitamin D metabolism, becomes chronically elevated. FGF23 has been shown to play a direct role in cardiac muscle dysfunction; however, it is unknown whether FGF23 signaling can also directly induce skeletal muscle dysfunction. We found expression of potential FGF23 receptors ( Fgfr1-4) and α-Klotho in muscles of two animal models (CD-1 and Cy/+ rat, a naturally occurring rat model of Chronic Kidney Disease-Mineral Bone Disorder) as well as C2 C12 myoblasts and myotubes...
March 20, 2018: American Journal of Physiology. Endocrinology and Metabolism
Junjun Zhang, Haoyuan Shen, Mengjun Wang, Sheng Nie, Xizheng Wu, Yi Huang, Xiang Gao
C-X-C motif chemokine ligand 12 (CXCL12) may play an important role in the development of intracranial aneurysm (IA). The goal of this study was to explore the association between CXCL12 rs1746048 genotypes and circulating lipid concentrations along with the risk of IA. A total of 256 IA patients and 361 healthy volunteers were included in the case-control study. The genotypes of CXCL12 rs1746048 were detected by Melting Temperature shift (Tm-shift) polymerase chain reaction (PCR). Significant higher levels were seen in TC (padjusted < 0...
March 19, 2018: Current Neurovascular Research
Minghui Li, Yan Zhou, Tiansong Xia, Xin Zhou, Zebo Huang, Huo Zhang, Wei Zhu, Qiang Ding, Shui Wang
PURPOSE: Novel noninvasive biomarkers with high sensitivity and specificity for the diagnosis of breast cancer (BC) are urgently needed in clinics. The aim of this study was to explore whether miRNAs from the miR-106a-363 cluster can be detected in the circulation of BC patients and whether these miRNAs can serve as potential diagnostic biomarkers. METHODS: The expression of 12 miRNAs from the miR-106a-363 cluster was evaluated using qRT-PCR in 400 plasma samples (from 200 BC patients and 200 healthy controls (HCs)) and 406 serum samples (from 204 BC patients and 202 HCs) via a three-phase study...
March 20, 2018: Breast Cancer Research and Treatment
Guo Wang, Wei-Bo Hu, Xiao-Li Zhao, Yahu A Liu, Jiu-Sheng Li, Biao Jiang, Ke Wen
A supramolecular organic framework, P5-bpy-SOF, made of perhydroxyl-pillar[5]arene (P5) and 4,4-bipyridine (bpy) and prepared by using a co-crystallization approach, showed a different hydrogen bonding pattern and a 3D molecular arrangement from that in the perhydroxyl-pillar[5]arene-based supramolecular organic framework (P5-SOF). TGA analyses, powder X-ray diffraction and gas absorption study confirmed P5-bpy-SOF's structural stability, permanent porosity, and, especially, selectivity of absorption of CO2 over N2...
March 20, 2018: Dalton Transactions: An International Journal of Inorganic Chemistry
Jiao Ji, Yan Yu, Zhi-Ling Li, Ming-Yuan Chen, Rong Deng, Xiang Huang, Guang-Feng Wang, Meng-Xia Zhang, Qi Yang, Senthilkumar Ravichandran, Gong-Kan Feng, Xue-Lian Xu, Chen-Lu Yang, Miao-Zhen Qiu, Lin Jiao, Dajun Yang, Xiao-Feng Zhu
Rationale: Nasopharyngeal carcinoma (NPC) is the most frequent head and neck tumor in South China. The presence of cancer stem cells (CSCs) in NPC contributes to tumor maintenance and therapeutic resistance, while the ability of CSCs to escape from the apoptosis pathway may render them the resistant property to the therapies. Inhibitor of apoptosis proteins family proteins (IAPs), which are overexpressed in nasopharyngeal carcinoma stem cells, may play an important role in maintaining nasopharyngeal cancer stem cell properties...
2018: Theranostics
Xiaolei Hu, Jie Wang, Wan He, Pan Zhao, Changsheng Ye
Breast cancer is the most frequently diagnosed malignancy in women. However, the molecular mechanisms underlying breast cancer pathogenesis are not fully understood. The present study examined the role of miR-433 in breast cancer and investigated its underlying molecular mechanisms of action. Reverse transcription-quantitative polymerase chain reaction and western blot analysis were performed to analyze the level of microRNA (miRNA/miR)/mRNA and protein expression, respectively. Additionally, MTT assay was used to determined cell proliferation and viability...
March 2018: Oncology Letters
Huihui Mao, Kai Wang, Yuehua Feng, Jun Zhang, Lili Pan, Yuxia Zhan, Haijun Sheng, Guanghua Luo
Background: The aberrant expression of long non-coding RNA (lncRNA) X inactivate-specific transcript (XIST) has been demonstrated to be involved in the tumourigenesis and the development of various cancers. Therefore, we conducted a meta-analysis to assess the prognostic role of lncRNA XIST expression in solid tumors. Methods: The databases of PubMed, EMBase, Web of Science, Cochrane library (up to Dec 31, 2017) were searched for the related studies and identified 15 eligible studies containing 1209 patients to include in the meta-analysis...
2018: Cancer Cell International
Dandan Xiang, Tianyi Chu, Meng Li, Qiangwei Wang, Guonian Zhu
Mounting evidence suggests there is a link between exposure to synthetic pyrethroids (SPs) and the development of obesity. The information presented in this study suggests that cis-bifenthrin (cis-BF) could activate pregnane X receptor (PXR) mediated pathway and lead to the lipid accumulation of human hepatoma (HepG2) cells. Cells were incubated in the control or different concentrations of cis-BF for 24 h. The 1 × 10-7  M and 1 × 10-6  M cis-BF exposure were found to induce cellular triglyceride (TG) accumulation significantly...
March 3, 2018: Chemosphere
Oana Ursu, Nathan Boley, Maryna Taranova, Y X Rachel Wang, Galip Gurkan Yardimci, William Stafford Noble, Anshul Kundaje
Motivation: The three-dimensional organization of chromatin plays a critical role in gene regulation and disease. High-throughput chromosome conformation capture experiments such as Hi-C are used to obtain genome-wide maps of 3D chromatin contacts. However, robust estimation of data quality and systematic comparison of these contact maps is challenging due to the multi-scale, hierarchical structure of chromatin contacts and the resulting properties of experimental noise in the data. Measuring concordance of contact maps is important for assessing reproducibility of replicate experiments and for modeling variation between different cellular contexts...
March 15, 2018: Bioinformatics
Yang Wang, Xueping Kong, Wei Xu, Fengrui Jiang, Bao Li, Lixin Wu
A series of triol ligand [CH3 C(CH2 OH)3 ] covalently decorated polyoxometalates (POMs), which could be ascribed to the primary complexes with structural formulas {M2 [Mo2 O4 (CH3 C(CH2 O)3 )2 ]3 }2- (M = Cu2+ , Co2+ , Ni2+ , Zn2+ ), have been synthesized in organic solvents. Single-crystal X-ray structural analysis reveals that the synthesized polyanionic clusters are comprised of three {Mo2 } units and two divalent transition-metal ions connecting to each other in an alternating style, where all {Mo2 } blocks were covalently decorated by two triol ligands in the trans conformation...
March 19, 2018: Inorganic Chemistry
Zhou Zhou, Ming-Jiang Xu, Yan Cai, Wei Wang, Joy X Jiang, Zoltan V Varga, Dechun Feng, Pal Pacher, George Kunos, Natalie J Torok, Bin Gao
Background & Aims: Hepatic infiltration of neutrophils is a hallmark of steatohepatitis; however, the role of neutrophils in the progression of steatohepatitis remains unknown. Methods: A clinically relevant mouse model of steatohepatitis induced by high-fat diet (HFD) plus binge ethanol feeding was used. Liver fibrosis was examined. In vitro cell culture was used to analyze the interaction of hepatic stellate cells (HSCs) and neutrophils. Results: HFD plus one binge ethanol (HFD+1B) feeding induced significant hepatic neutrophil infiltration, liver injury, and fibrosis...
March 2018: Cellular and Molecular Gastroenterology and Hepatology
Ruxing Wang, Yanjie Lu, Hong Li, Lixin Sun, Ning Yang, Mingzhen Zhao, Manli Zhang, Qingwen Shi
Ailanthone is isolated from the bark of Ailanthus altissima (Mill.) Swingle (Simaroubaceae). The mechanism that underlies the activity of ailanthone on MCF-7 cells was investigated by MTT assay. Breast cancer MCF-7 cells were treated with 0.5, 1.0, 2.0, 4.0 and 8.0 µg/ml ailanthone for 24, 48 and 72 h. The inhibition of proliferation induced by treatment with ailanthone was assessed by MTT assay. Apoptosis and cell cycle distribution in MCF-7 cells with the same doses of ailanthone for 48 h were determined by flow cytometry...
April 2018: Oncology Letters
Xuan Wang, Xiangli Yao, Shiming Fan, Chenshuang Xiang, Runjiao Liu, Juan Feng, Jing Huang, Shouxin Liu
Melanoma is highly resistant to most traditional treatments; therefore, its incidence and mortality rates are rapidly increasing. The effect of a novel sansalvamide A analogue named LY-15 on the growth and induction of apoptosis in B16 cancer cells was investigated in vitro . The inhibitory effects of LY-15 on B16 cells occurred in a concentration- and time-dependent manner. The B16 cells were cultured in various concentrations of LY-15 (5, 15 and 25 µM), and the ameliorating effect of LY-15 was evaluated using apoptotic protein markers B-cell lymphoma 2 (Bcl-2), Bcl-2-associated X protein (Bax), caspase-3 and caspase-9...
April 2018: Oncology Letters
Suolin Zhang, Yayan Wang
Expression of angiotensin II (Ang II), a key biological peptide in the renin-angiotensin system, is closely associated with the occurrence and development of cancer. Ang II binds two receptor subtypes, the Ang II type 1 receptor (AT1R) and the AT2R, to mediate a series of biological effects. Telmisartan, a specific AT1R blocker, has been reported to have potential as an anticancer drug for treating renal cancer. In the present study, whether telmisartan had an effect on non-small cell lung cancer (NSCLC) cell proliferation and migration was investigated...
April 2018: Oncology Letters
Hui Di, Xinting Zhang, Yi Guo, Yanfang Shi, Chuan Fang, Yu Yuan, Jiwei Wang, Chao Shang, Wenzhe Guo, Chunhui Li
Glioblastoma multiforme (GBM) is a prevalent and aggressive disease, and the development of a novel therapy to better treat advanced GBM is urgently required. Lactate dehydrogenase A (LDHA), which functions as a key enzyme in transforming pyruvate into lactate, has attracted more attention in recent years due to its critical role in various types of advanced cancer. Previous data derived from the Oncomine database have shown that the expression of LDHA is higher in GBM tissues than that in corresponding normal control tissues...
April 2018: Oncology Letters
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