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https://www.readbyqxmd.com/read/28728294/-depletion-of-gp73-inhibits-invasion-and-metastasis-of-hepatocellular-carcinoma-cells
#1
L P Liu, J K Chen, Y M Liu, D H Zhang, J Zhang, X L Yang
Objective: To explore the in vitro and in vivo effect of GP73 on the proliferation, invasion and metastasis in hepatocellular carcinoma. Methods: GP73 gene was knocked out using CRISPR/Cas9 gene editing system in H22 and HepG2 cells, and stable knock out strains were constructed. The knockout efficiency was measured by western blot. Colony formation assay was used to detect the effect of GP73 on long-term survival ability. Cells were then highly synchronized in G(1) phase upon treatment with cell synchronization reagents (mimosine), and the percentage of cells in G(2)/M phase at different time points was detected by flow cytometry...
July 23, 2017: Zhonghua Zhong Liu za Zhi [Chinese Journal of Oncology]
https://www.readbyqxmd.com/read/28728034/construction-of-novel-wo3-snnb2o6-hybrid-nanosheet-heterojunctions-as-efficient-z-scheme-photocatalysts-for-pollutant-degradation
#2
Xiaodong Ma, Wanxia Ma, Deli Jiang, Di Li, Suci Meng, Min Chen
The artificially Z-scheme heterojunctions between WO3 nanosheet and SnNb2O6 nanosheet with strongly coupled heterointerfaces were successfully constructed via a simple hydrothermal coassembly method. Transmission electron microscopy (TEM) and high-resolution TEM proved that an intimate contact interface was formed. The synthesized heterojunctions exhibites enhanced photodegradation efficiency for Rhodamine B under irradiation of visible light, and the highest reaction rate over 30%-WO3/SnNb2O6 nanosheet heterojunctions is about 4...
July 5, 2017: Journal of Colloid and Interface Science
https://www.readbyqxmd.com/read/28727830/the-receptor-tyrosine-kinase-axl-promotes-migration-and-invasion-in-colorectal-cancer
#3
Diana J Uribe, Edward K Mandell, Adam Watson, Jesse D Martinez, Jonathan A Leighton, Sourav Ghosh, Carla V Rothlin
The receptor tyrosine kinases (RTKs) TYRO3, AXL and MERTK (TAM) have well-described oncogenic functions in a number of cancers. Notwithstanding, TAM RTKs are also potent and indispensable inhibitors of inflammation. The combined deletion of Axl and Mertk in mice enhances chronic inflammation and autoimmunity, including increased inflammation in the gut and colitis-associated cancer. On the other hand, deletion of Tyro3 increases the risk of allergic responses. Therefore, the indiscriminate inhibition of these TAM RTKs could result in undesirable immunological diseases...
2017: PloS One
https://www.readbyqxmd.com/read/28727754/dysregulation-of-endothelial-colony-forming-cell-function-by-a-negative-feedback-loop-of-circulating-mir-146a-and-146b-in-cardiovascular-disease-patients
#4
Ting-Yu Chang, Wei-Chi Tsai, Tse-Shun Huang, Shu-Han Su, Chih-Young Chang, Hsiu-Yen Ma, Chun-Hsien Wu, Chih-Yung Yang, Chi-Hung Lin, Po-Hsun Huang, Cheng-Chung Cheng, Shu-Meng Cheng, Hsei-Wei Wang
Functional impairment of endothelial colony-forming cells (ECFCs), a specific cell lineage of endothelial progenitor cells (EPCs) is highly associated with the severity of coronary artery disease (CAD), the most common type of cardiovascular disease (CVD). Emerging evidence show that circulating microRNAs (miRNAs) in CAD patients' body fluid hold a great potential as biomarkers. However, our knowledge of the role of circulating miRNA in regulating the function of ECFCs and the progression of CAD is still in its infancy...
2017: PloS One
https://www.readbyqxmd.com/read/28727747/plant-species-dispersed-by-galapagos-tortoises-surf-the-wave-of-habitat-suitability-under-anthropogenic-climate-change
#5
Diego Ellis-Soto, Stephen Blake, Alaaeldin Soultan, Anne Guézou, Fredy Cabrera, Stefan Lötters
Native biodiversity on the Galapagos Archipelago is severely threatened by invasive alien species. On Santa Cruz Island, the abundance of introduced plant species is low in the arid lowlands of the Galapagos National Park, but increases with elevation into unprotected humid highlands. Two common alien plant species, guava (Psidium guajava) and passion fruit (Passiflora edulis) occur at higher elevations yet their seeds are dispersed into the lowlands by migrating Galapagos tortoises (Chelonoidis spp.). Tortoises transport large quantities of seeds over long distances into environments in which they have little or no chance of germination and survival under current climate conditions...
2017: PloS One
https://www.readbyqxmd.com/read/28727734/microrna-200c-inhibits-epithelial-mesenchymal-transition-invasion-and-migration-of-lung-cancer-by-targeting-hmgb1
#6
Po-Len Liu, Wei-Lun Liu, Jia-Ming Chang, Yung-Hsiang Chen, Yu-Peng Liu, Hsuan-Fu Kuo, Chong-Chao Hsieh, Yu-Sian Ding, Wei-Wei Chen, Inn-Wen Chong
MicroRNAs (miRs) play critical roles in cancer development, proliferation, epithelial-mesenchymal transition (EMT), invasion, and migration through regulating the expression of oncogenes and tumour suppressor genes. Previous studies have indicated that miR-200c acts as a tumour suppressor in various cancers by downregulating high-mobility group box 1 (HMGB1) and thereby suppressing EMT and metastasis. In addition, miR-200c was reported to be downregulated and correlated with poor outcomes in non-small cell lung cancer (NSCLC)...
2017: PloS One
https://www.readbyqxmd.com/read/28727733/a-new-methodology-for-sampling-blackflies-for-the-entomological-surveillance-of-onchocerciasis-in-brazil
#7
Érika S do Nascimento-Carvalho, Raquel de Andrade Cesário, Vladimir Fazito do Vale, Arion Tulio Aranda, Ana Carolina Dos Santos Valente, Marilza Maia-Herzog
The effectiveness of the MosqTent® trap was evaluated in endemic area to onchocerciasis in Brazil. This study seeks to provide subsidies for the monitoring of the onchocerciasis transmission in the country. The study was carried out at the Homoxi and Thirei villages, located in the Yanomami Indigenous Land, in the state of Roraima. This area presents hyperendemicity, high blackflies densities, large population migrations and mining activities. The Homoxi and Thirei villages are assisted by the Brazilian Ministry of Health...
2017: PloS One
https://www.readbyqxmd.com/read/28727520/undocumented-immigration-drug-problems-and-driving-under-the-influence-in-the-united-states-1990-2014
#8
Michael T Light, Ty Miller, Brian C Kelly
OBJECTIVES: To examine the influence of undocumented immigration in the United States on 4 different metrics of drug and alcohol problems: drug arrests, drug overdose fatalities, driving under the influence (DUI) arrests, and DUI deaths. METHODS: We combined newly developed state-level estimates of the undocumented population between 1990 and 2014 from the Center for Migration Studies with arrest data from the Federal Bureau of Investigation Uniform Crime Reports and fatality information from the Fatality Analysis Reporting System and the Centers for Disease Control and Prevention Underlying Cause of Death database...
July 20, 2017: American Journal of Public Health
https://www.readbyqxmd.com/read/28727496/modulation-of-vegf-induced-migration-and-network-formation-by-lymphatic-endothelial-cells-roles-of-platelets-and-podoplanin
#9
Stacey A Langan, Leyre Navarro-Núñez, Steve P Watson, Gerard B Nash
Lymphatic endothelial cells (LEC) express the transmembrane receptor podoplanin whose only known endogenous ligand CLEC-2 is found on platelets. Both podoplanin and CLEC-2 are required for normal lymphangiogenesis as mice lacking either protein develop a blood-lymphatic mixing phenotype. We investigated the roles of podoplanin and its interaction with platelets in migration and tube formation by LEC. Addition of platelets or antibody-mediated crosslinking of podoplanin inhibited LEC migration induced by vascular endothelial growth factors (VEGF-A or VEGF-C), but did not modify basal migration or the response to basic fibroblast growth factor or epidermal growth factor...
July 20, 2017: Platelets
https://www.readbyqxmd.com/read/28727228/actin-gamma-1-a-new-skin-cancer-pathogenic-gene-identified-by-the-biological-feature-based-classification
#10
Xinqian Dong, Yingsheng Han, Zhen Sun, Junlong Xu
Skin cancer is the most common form of cancer that accounting for at least 40% of cancer cases around the world. This study aimed to identify skin cancer-related biological features and predict skin cancer candidate genes by employing machine learning based on biological features of known skin cancer genes. The known skin cancer-related genes were fetched from database and encoded by the enrichment scores of gene ontology and pathways. The optimal features of the skin cancer related genes were selected with a series of feature selection methods, such as mRMR, IFS, and Random Forest algorithm...
July 20, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28727201/gene-expression-stasis-and-plasticity-following-migration-into-a-foreign-environment
#11
Brian K Lohman, William E Stutz, Daniel I Bolnick
Selection against migrants is key to maintaining genetic differences between populations linked by dispersal. However, migrants may mitigate fitness costs by proactively choosing among available habitats, or by phenotypic plasticity. We previously reported that a reciprocal transplant of lake and stream stickleback (Gasterosteus aculeatus) found little support for divergent selection. Here, we revisit that experiment to test whether phenotypic plasticity in gene expression may have helped migrants adjust to unfamiliar habitats...
July 20, 2017: Molecular Ecology
https://www.readbyqxmd.com/read/28727138/partial-diel-migration-a-facultative-migration-underpinned-by-long-term-inter-individual-variation
#12
Philip M Harrison, Lee F G Gutowsky, Eduardo G Martins, David A Patterson, Steven J Cooke, Michael Power
The variations in migration that comprise partial diel migrations, putatively occur entirely as a consequence of behavioural flexibility. However, seasonal partial migrations are increasingly recognised to be mediated by a combination of reversible plasticity in response to environmental variation and individual variation due to genetic and environmental effects. Here, we test the hypothesis that while partial diel migration heterogeneity occurs primarily due to short-term within-individual flexibility in behaviour, long-term individual differences in migratory behaviour also underpin this migration variation...
June 14, 2017: Journal of Animal Ecology
https://www.readbyqxmd.com/read/28726881/effects-of-co2-adsorption-on-proton-migration-on-a-hydrated-zro2-surface-an-ab-initio-molecular-dynamics-study
#13
Ryuhei Sato, Yasushi Shibuta, Fuyuki Shimojo, Shu Yamaguchi
Hydration reactions on a carbonate-terminated cubic ZrO2(110) surface were analyzed using ab initio molecular dynamics (AIMD) simulations. After hydration reactions, carbonates were still present on the surface at 500 K. However, these carbonates are very weak conjugate bases and only act as steric hindrance in proton hopping processes between acidic chemisorbed H2O molecules (Zr-OH2) and monodentate hydroxyl groups (Zr-OH(-)). Similar to a carbonate-free hydrated surface, Zr-OH2, Zr-OH(-), and polydentate hydroxyl groups ([double bond splayed left]OH(+)) were observed, while the ratio of acidic Zr-OH2 was significantly larger than that on the carbonate-free hydrated surface...
July 20, 2017: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/28726876/bioceramic-nanocomposite-thiol-acrylate-polyhipe-scaffolds-for-enhanced-osteoblastic-cell-culture-in-3d
#14
Aaron Lee, Caitlin R Langford, Luis M Rodriguez-Lorenzo, Helmut Thissen, Neil R Cameron
Emulsion-templated (polyHIPE) scaffolds for bone tissue engineering were produced by photopolymerisation of a mixture of trimethylolpropane tris(3-mercaptopropionate) and dipentaerythritol penta-/hexa-acrylate in the presence of hydroxyapatite (HA) or strontium-modified hydroxyapatite (SrHA) nanoparticles. Porous and permeable polyHIPE materials were produced regardless of the type or incorporation level of the bioceramic, although higher loadings resulted in a larger average pore diameter. Inclusion of HA and SrHA into the scaffolds was confirmed by EDX-SEM, FTIR and XPS and quantified by thermogravimetry...
July 20, 2017: Biomaterials Science
https://www.readbyqxmd.com/read/28726786/calcium-binding-protein-s100a14-induces-differentiation-and-suppresses-metastasis-in-gastric-cancer
#15
Min Zhu, Hongyi Wang, Jiantao Cui, Wenmei Li, Guo An, Yuanming Pan, Qingying Zhang, Rui Xing, Youyong Lu
S100A14 is a calcium-binding protein involved in cell proliferation and differentiation as well as the metastasis of human tumors. In this study, we characterized the regulation of S100A14 expression between biological signatures and clinical pathological features in gastric cancer (GC). Our data demonstrated that S100A14 induced the differentiation of GC by upregulating the expression of E-cadherin and PGII. Moreover, S100A14 expression negatively correlated with cell migration and invasion in in vitro and in vivo experimental models...
July 20, 2017: Cell Death & Disease
https://www.readbyqxmd.com/read/28726783/kmt2a-promotes-melanoma-cell-growth-by-targeting-htert-signaling-pathway
#16
Changlin Zhang, Chen Song, Tianze Liu, Ranran Tang, Miao Chen, Fan Gao, Binyi Xiao, Ge Qin, Fen Shi, Wenbin Li, Yixin Li, Xiaoyan Fu, Dingbo Shi, Xiangsheng Xiao, Lan Kang, Wenlin Huang, Xiaojun Wu, Bing Tang, Wuguo Deng
Melanoma is an aggressive cutaneous malignancy, illuminating the exact mechanisms and finding novel therapeutic targets are urgently needed. In this study, we identified KMT2A as a potential target, which promoted the growth of human melanoma cells. KMT2A knockdown significantly inhibited cell viability and cell migration and induced apoptosis, whereas KMT2A overexpression effectively promoted cell proliferation in various melanoma cell lines. Further study showed that KMT2A regulated melanoma cell growth by targeting the hTERT-dependent signal pathway...
July 20, 2017: Cell Death & Disease
https://www.readbyqxmd.com/read/28726720/tgf-%C3%AE-dependent-growth-arrest-and-cell-migration-in-benign-and-malignant-breast-epithelial-cells-are-antagonistically-controlled-by-rac1-and-rac1b
#17
Catharina Melzer, Juliane von der Ohe, Ralf Hass, Hendrik Ungefroren
Despite improvements in diagnosis and treatment, breast cancer is still the most common cancer type among non-smoking females. TGF-β can inhibit breast cancer development by inducing cell cycle arrest in both, cancer cells and, as part of a senescence program in normal human mammary epithelial cells (HMEC). Moreover, TGF-β also drives cell migration and invasion, in part through the small GTPases Rac1 and Rac1b. Depletion of Rac1b or Rac1 and Rac1b in MDA-MB-231 or MDA-MB-435s breast cancer cells by RNA interference enhanced or suppressed, respectively, TGF-β1-induced migration/invasion...
July 20, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28726671/in-situ-decoration-of-plasmonic-au-nanoparticles-on-graphene-quantum-dots-graphitic-carbon-nitride-hybrid-and-evaluation-of-its-visible-light-photocatalytic-performance
#18
Biswajit Choudhury, Pravat Kumar Giri, Rajender Gone
This work spotlights the development of a plasmonic photocatalyst showing surface plasmon induced enhanced visible light photocatalytic performance. Plasmonic Au nanoparticles (NPs) are decorated over the hybrid nanosystem of graphitic carbon nitride (GCN) and graphene quantum dots (GQD) by citrate reduction method. Surface plasmon resonance (SPR) induced enhancement of Raman G and 2D band intensity is encountered on excitation of the Plasmonic hybrid at 514.5 nm, which is near to the 532 nm absorption band of Au nanoparticles...
July 20, 2017: Nanotechnology
https://www.readbyqxmd.com/read/28726396/the-potent-anti-inflammatory-and-anti-adipogenic-properties-of-bamboo-sasa-coreana-nakai-leaves-extract-and-its-major-constituent-flavonoids
#19
Ji Hye Yang, Moon-Hee Choi, Seung Hwa Yang, Sam Seok Cho, Su Jung Park, Hyun-Jae Shin, Sung Hwan Ki
The pro-inflammatory response and recruitment of macrophages into adipose tissue contribute to metabolic dysfunction. Here, we reported the anti-inflammatory and anti-adipogenic effects of the methanol (MeOH) extract and ethylacetate (EtOAc) fraction of bamboo leaf and its molecular mechanism in RAW264.7 cells and 3T3-L1 adipocytes, respectively. Functional macrophage migration assays also were performed. Surprisingly, EtOAc fraction of MeOH extracts from native Korean plant species Sasa coreana Nakai (SCN) has shown potent anti-inflammatory properties; SCN pretreatment inhibited nitric oxide (NO) production (p<0...
July 20, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28726203/cysteine-containing-peptides-stimulate-monocyte-migration-through-nadph-oxidase-activation
#20
T L Krasnikova, T I Arefieva, E A Pylaeva, M V Sidorova
We analyzed migration of monocytes under the effect of apocinin (NADPH inhibitor) and PD98059 (blocker of extracellular MEK/ERK kinase involved in Nox4 oxidase-mediated migration of monocytes). Migration of monocytes stimulated by cysteine-containing peptides (fragments of chemokines with free thiol group MCP-1 and fractalkine) was completely inhibited by apocinin and MEK/ERK blocker. It is assumed that the stimulating effect of cysteine-containing peptides on monocyte migration is mediated by the NADPH-oxidase system, in particular, Nox4...
July 18, 2017: Bulletin of Experimental Biology and Medicine
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