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https://www.readbyqxmd.com/read/29053945/tree-uptake-of-excess-nutrients-and-herbicides-in-a-maize-olive-tree-cultivation-system
#1
George Pavlidis, Vassilios A Tsihrintzis, Helen Karasali, Dimitrios Alexakis
Due to the extent of non-point source agricultural pollution, protective measures to control agrochemicals from entering aquatic systems are necessary. Measures may include, among others, vegetated buffer strips (VFS), no spray buffer zones, alley crops and agroforestry systems (AFS). The scope of the present work is to examine the pollution abatement potential of a maize-olive (MO) AFS. The efficiency of a combined MO trees system in reducing nutrients and herbicides is tested through soil monitoring in an experimental plot, located in Koropi, Eastern Attica, Greece, in the period May 2015 to November 2015...
October 20, 2017: Journal of Environmental Science and Health. Part A, Toxic/hazardous Substances & Environmental Engineering
https://www.readbyqxmd.com/read/29053396/embryonic-stem-cell-secreted-factors-decrease-invasiveness-of-triple-negative-breast-cancer-cells-through-regulome-modulation
#2
Elizabeth Tarasewicz, Robert S Oakes, Misael O Aviles, Joelle Straehla, Kathryn M Chilton, Joseph T Decker, Jia Wu, Lonnie D Shea, Jacqueline S Jeruss
Stem cell microenvironments decrease the invasiveness of cancer cells, and elucidating the mechanisms associated with disease regression could further the development of targeted therapies for aggressive cancer subtypes. To this end, we applied an emerging technology, TRanscriptional Activity CEll aRray (TRACER), to investigate the reprogramming of triple-negative breast cancer (TNBC) cells in conditions that promoted a less aggressive phenotype. The repressive environment was established through exposure to mouse embryonic stem cell conditioned media (mESC CM)...
October 20, 2017: Cancer Biology & Therapy
https://www.readbyqxmd.com/read/29051493/variation-in-a-range-of-mtor-related-genes-associates-with-intracranial-volume-and-intellectual-disability
#3
M R F Reijnders, M Kousi, G M van Woerden, M Klein, J Bralten, G M S Mancini, T van Essen, M Proietti-Onori, E E J Smeets, M van Gastel, A P A Stegmann, S J C Stevens, S H Lelieveld, C Gilissen, R Pfundt, P L Tan, T Kleefstra, B Franke, Y Elgersma, N Katsanis, H G Brunner
De novo mutations in specific mTOR pathway genes cause brain overgrowth in the context of intellectual disability (ID). By analyzing 101 mMTOR-related genes in a large ID patient cohort and two independent population cohorts, we show that these genes modulate brain growth in health and disease. We report the mTOR activator gene RHEB as an ID gene that is associated with megalencephaly when mutated. Functional testing of mutant RHEB in vertebrate animal models indicates pathway hyperactivation with a concomitant increase in cell and head size, aberrant neuronal migration, and induction of seizures, concordant with the human phenotype...
October 20, 2017: Nature Communications
https://www.readbyqxmd.com/read/29050254/rgs19-upregulates-nm23-h1-2-metastasis-suppressors-by-transcriptional-activation-via-the-camp-pka-creb-pathway
#4
Yuanjun Li, Jiaxing Song, Yao Tong, Sookja Kim Chung, Yung H Wong
The Nm23 metastasis suppressor family is involved in physiological and pathological processes including tumorigenesis and metastasis. Although the inverse correlation of Nm23 level with tumor metastasis potential has been widely observed, the mechanisms that regulate the expression of Nm23 remain poorly understood. Our previous studies have revealed that Nm23-H1/2 isoforms are upregulated by RGS19, a regulator of G protein signaling (RGS) protein which accelerates the termination of Gi signals. Here, we examined the ability of RGS19 to stimulate transcriptional regulation of Nm23 by screening a panel of luciferase reporter genes...
September 19, 2017: Oncotarget
https://www.readbyqxmd.com/read/29050215/proteomics-analysis-of-bladder-cancer-invasion-targeting-eif3d-for-therapeutic-intervention
#5
Agnieszka Latosinska, Marika Mokou, Manousos Makridakis, William Mullen, Jerome Zoidakis, Vasiliki Lygirou, Maria Frantzi, Ioannis Katafigiotis, Konstantinos Stravodimos, Marie C Hupe, Maciej Dobrzynski, Walter Kolch, Axel S Merseburger, Harald Mischak, Maria G Roubelakis, Antonia Vlahou
Patients with advanced bladder cancer have poor outcomes, indicating a need for more efficient therapeutic approaches. This study characterizes proteomic changes underlying bladder cancer invasion aiming for the better understanding of disease pathophysiology and identification of drug targets. High resolution liquid chromatography coupled to tandem mass spectrometry analysis of tissue specimens from patients with non-muscle invasive (NMIBC, stage pTa) and muscle invasive bladder cancer (MIBC, stages pT2+) was conducted...
September 19, 2017: Oncotarget
https://www.readbyqxmd.com/read/29049996/nogo-b-promotes-angiogenesis-in-proliferative-diabetic-retinopathy-via-vegf-pi3k-akt-pathway-in-an-autocrine-manner
#6
Yuelu Zhang, Liang Wang, Yuechan Zhang, Mo Wang, Qinglei Sun, Fangzhou Xia, Ruobing Wang, Lin Liu
BACKGROUND/AIMS: Nogo-B, a conservative protein of endoplasmic reticulum, is a member of the reticulon family of proteins. Proliferative diabetic retinopathy (PDR) is the major concerning problem of diabetic retinopathy. This study explored the role of Nogo-B in the regulation of angiogenesis in PDR patients and primary human retinal endothelial cells (HRMECs). METHODS: Nogo-B was down-regulated through the use of Lentivirus-NogoB-RNAi, the effects of Nogo-B on angiogenesis under high glucose stimulation were evaluated via CCK-8 assay, wound closure assay, transwell assay, and tube formation assay...
October 19, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29048673/the-ethanol-extracts-of-sporoderm-broken-spores-of-ganoderma-lucidum-inhibit-colorectal-cancer-in-vitro-and-in-vivo
#7
Kang Li, Kun Na, Tingting Sang, Kaikai Wu, Ying Wang, Xingya Wang
The medicinal mushroom Ganoderma lucidum (G. lucidum) has been reported to possess a variety of pharmacological activities including anticancer effects. However, the anti-colorectal cancer effects and the potential molecular mechanisms of the ethanol extracts of sporoderm-broken spores of G. lucidum (BSGLEE), which mainly contains triterpenoids, have not been reported. The aim of the present study was to investigate the anticancer effects and molecular mechanisms exerted by BSGLEE on colorectal cancer in vitro and in vivo...
September 27, 2017: Oncology Reports
https://www.readbyqxmd.com/read/29048665/tgx-221-inhibits-proliferation-and-induces-apoptosis-in-human-glioblastoma-cells
#8
Xue Yang, Ji-An Yang, Bao-Hui Liu, Jian-Ming Liao, Fan-En Yuan, Yin-Qiu Tan, Qian-Xue Chen
Glioblastoma is the most common type of primary brain tumor in adults, with high mortality and morbidity rates. More effective therapeutic strategies are imperative. Previous studies have shown that the known p110-β-selective inhibitor TGX-221 blocks the activation of PKB/Akt in PTEN-deficient cells. We treated U87 and U251 glioblastoma cells with TGX-221 to determine the effect of TGX-221. We performed a Cell Counting Kit-8 (CCK-8) test, EDU staining and cell cycle distribution analysis and found that TGX-221 inhibited glioblastoma cell proliferation...
September 22, 2017: Oncology Reports
https://www.readbyqxmd.com/read/29048663/suppression-of-letm1-by-sirna-inhibits-cell-proliferation-and-invasion-of-bladder-cancer-cells
#9
Bisheng Huang, Jingwei Zhang, Xiaolu Zhang, Chi Huang, Guanghui Hu, Saiyang Li, Tiancheng Xie, Mengnan Liu, Yunfei Xu
The leucine zipper-EF-hand containing transmembrane protein 1 (LETM1) is highly expressed in many human malignancies and is correlated with poor prognosis. However, the function of LETM1 in bladder cancer still remains unknown. In the present study, we analyzed the expression levels of LETM1 in bladder cancer tissues and non-cancerous tissues as well as in four bladder cancer cell lines (T24, EJ, 5637 and J82) and a human bladder epithelial immortalized cell line SV-HUC-1. Small interfering RNA (siRNA) was employed to knockdown the expression of LETM1 in the T24 cells...
September 18, 2017: Oncology Reports
https://www.readbyqxmd.com/read/29048641/baicalein-inhibits-tumor-progression-by-inhibiting-tumor-cell-growth-and-tumor-angiogenesis
#10
Yang-Gyu Park, Jawun Choi, Hye-Kang Jung, Bumseok Kim, Chan Kim, Sang-Youel Park, Jae-Won Seol
Baicalein, a herbal medicine, is a natural flavonoid isolated from the roots of Scutellaria baicalensis Georgi. It is known for its anticancer, anti-inflammatory and neuroprotective properties. Despite these well-known properties, it is not yet clear what effect baicalein has on tumor progression. Therefore, in the present study, we used B16F10 cells, Lewis lung carcinoma (LLC) cells, and human umbilical vein endothelial cells (HUVECs) to investigate the effect of baicalein on cell proliferation and viability, migration and tube formation in vitro...
September 26, 2017: Oncology Reports
https://www.readbyqxmd.com/read/29048621/irisin-reverses-the-il-6-induced-epithelial-mesenchymal-transition-in-osteosarcoma-cell-migration-and-invasion-through-the-stat3-snail-signaling-pathway
#11
Gang Kong, Yunpeng Jiang, Xiujiang Sun, Zhilin Cao, Guodong Zhang, Zhongyuan Zhao, Yong Zhao, Qian Yu, Gong Cheng
As a novel discovered myokine, irisin is considered to be a promising candidate for the treatment of metabolic disorders and cancer. However, little is known about the anti-metastasic effect of irisin on osteosarcoma cells and its underlying mechanisms. In the present study, we aimed to explore the effect of irisin on the migration and invasion of osteosarcoma cells and the underlying mechanisms involved. Viability and proliferation of osteosarcoma cells were examined by MTT assay. Then, by using scratch wound healing assay and Transwell assays, we evaluated migratory and invasive ability of the cells, respectively...
September 20, 2017: Oncology Reports
https://www.readbyqxmd.com/read/29047077/adventitial-fibroblast-nox4-expression-and-ros-signaling-in-pulmonary-arterial-hypertension
#12
Scott A Barman, David Fulton
Pulmonary arterial hypertension (PAH) is a progressive disease arising from remodeling and narrowing of pulmonary arteries (PA) resulting in high pulmonary arterial blood pressure and ultimately right ventricular failure. Elevated production of reactive oxygen species (ROS) by NADPH oxidase 4 (Nox4), a constitutively active enzyme, has been associated with oxygen sensing, vasomotor control, cellular proliferation, differentiation, migration, apoptosis, senescence, fibrosis, and angiogenesis. Further, elevated expression of Nox4 has been reported in a number of cardiovascular diseases, including atherosclerosis, hypertension, cardiac failure, ischemic stroke, and PAH...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/29046786/sedentary-time-among-primary-school-children-in-south-west-germany-amounts-and-correlates
#13
Belinda Hoffmann, Sarah Kettner, Tamara Wirt, Olivia Wartha, Lina Hermeling, Jürgen M Steinacker, Susanne Kobel
BACKGROUND: Sedentary behaviour in children is related to different health consequences such as overweight and cardio-metabolic diseases that can track into adulthood. Previous studies have shown that children spend hours being sedentary, but no data of sedentary time (ST) among German children has been available, yet. Therefore, this study investigated objectively measured amounts and correlates of ST in a sample of German primary school children. METHODS: Children's physical activity (PA) was objectively assessed for 6 days using a multi-sensor device (Actiheart®; CamNtech, Cambridge, UK)...
2017: Archives of Public Health, Archives Belges de Santé Publique
https://www.readbyqxmd.com/read/29046734/epigenome-wide-association-study-of-asthma-and-wheeze-in-childhood-and-adolescence
#14
Ryan Arathimos, Matthew Suderman, Gemma C Sharp, Kimberley Burrows, Raquel Granell, Kate Tilling, Tom R Gaunt, John Henderson, Susan Ring, Rebecca C Richmond, Caroline L Relton
BACKGROUND: Asthma heritability has only been partially explained by genetic variants and is known to be sensitive to environmental factors, implicating epigenetic modifications such as DNA methylation in its pathogenesis. METHODS: Using data collected in the Avon Longitudinal Study of Parents and Children (ALSPAC), we assessed associations of asthma and wheeze with DNA methylation at 7.5 and 16.5 years, at over 450,000 CpG sites in DNA from the peripheral blood of approx...
2017: Clinical Epigenetics
https://www.readbyqxmd.com/read/29044712/inferring-the-geographic-origin-of-a-range-expansion-latitudinal-and-longitudinal-coordinates-inferred-from-genomic-data-in-an-abc-framework-with-the-program-x-origin
#15
Qixin He, Joyce R Prado, L Lacey Knowles
Climatic or environmental change is not only driving distributional shifts in species today, but it has also caused distributions to expand and contract in the past. Inferences about the geographic locations of past populations, especially regions that served as refugia (i.e., source populations) and migratory routes are a challenging endeavor. Refugial areas may be evidenced from fossil records or regions of temporal stability inferred from ecological niche models. Genomic data offer an alternative and broadly applicable source of information about the locality of refugial areas, especially relative to fossil data, which are either unavailable or incomplete for most species...
October 16, 2017: Molecular Ecology
https://www.readbyqxmd.com/read/29044500/water-and-salt-migration-with-phase-change-in-saline-soil-during-freezing-and-thawing-processes
#16
Daoyong Wu, Xiangyang Zhou, Xingyuan Jiang
Water and salt transfer coupled with phase change may cause serious damage to engineering structures in saline soil regions. In this study, the migration of water and salt in silty clay collected from the Qinghai-Tibet Plateau is explored experimentally and numerically during freezing and thawing processes. The results revealed that there are significant differences in the variations of liquid water content and solution concentration for different initial salt contents, due to salt crystallization and dissolution...
October 17, 2017: Ground Water
https://www.readbyqxmd.com/read/29044184/zebrafish-aversive-taste-co-receptor-is-expressed-in-both-chemo-and-mechanosensory-cells-and-plays-a-role-in-lateral-line-development
#17
Nazia Mojib, Jin Xu, Zinka Bartolek, Barry Imhoff, Nael A McCarty, Chong Hyun Shin, Julia Kubanek
Fishes rely on both chemical and tactile senses to orient themselves to avoid predators, and to detect and taste food. This is likely achieved by highly coordinated reception of signals by mechano- and chemosensory receptors in fish. A small co-receptor from zebrafish, receptor activity modifying protein (RAMP)-like triterpene glycoside receptor (RL-TGR), was previously found to be involved in recognition of triterpene glycosides, a family of naturally occurring compounds that act as chemical defenses in various prey species...
October 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29044039/myxobolus-arcticus-and-parvicapsula-minibicornis-infections-in-sockeye-salmon-oncorhynchus-nerka-following-downstream-migration-in-british-columbia
#18
A M Mahony, S C Johnson, C M Neville, M E Thiess, S R M Jones
Factors influencing the health of sockeye salmon Oncorhynchus nerka in British Columbia, Canada, are important for fisheries management and conservation. Juvenile salmon originating from the Fraser River were screened for 3 enzootic parasites (Myxobolus arcticus, Parvicapsula minibicornis, Ceratonova shasta) and the bacterium Renibacterium salmoninarum. Fish were collected from the Strait of Georgia in 2010, 2011 and 2012 and genotyped to stock of origin. Trends in infection status were estimated by year, spawning zone and catch area...
October 18, 2017: Diseases of Aquatic Organisms
https://www.readbyqxmd.com/read/29043215/inhibitory-effect-of-hizikia-fusiformis-solvent-partitioned-fractions-on-invasion-and-mmp-activity-of-ht1080-human-fibrosarcoma-cells
#19
Seul-Gi Lee, Fatih Karadeniz, Jung Hwan Oh, Ga Hyun Yu, Chang-Suk Kong
Matrix metalloproteinases (MMPs) are endopeptidases that take significant roles in extracellular matrix degradation and therefore linked to several complications such as metastasis of cancer progression, oxidative stress, and hepatic fibrosis. Hizikia fusiformis, a brown algae, was reported to possess bioactivities, including but not limited to, antiviral, antimicrobial, and anti-inflammatory partly due to bioactive polysaccharide contents. In this study, the potential of H. fusiformis against cancer cell invasion was evaluated through the MMP inhibitory effect in HT1080 fibrosarcoma cells in vitro...
September 2017: Preventive Nutrition and Food Science
https://www.readbyqxmd.com/read/29042947/mir-124-inhibits-proliferation-migration-and-invasion-of-malignant-melanoma-cells-via-targeting-versican
#20
Ping Yang, Pingyuan Bu, Chengyuan Li
MicroRNA (miR)-124 has been implicated in malignant melanoma (MM). However, the detailed regulatory mechanism of miR-124 in the malignant phenotypes of MM cells has remained largely elusive. A total of 68 pairs of MM tissues and adjacent tissues were collected. Reverse-transcription quantitative polymerase chain reaction was used to examine the mRNA expression of versican as well as the expression of miR-124, and the protein expression of versican was assessed by western blot analysis. MTT, wound healing and Transwell assays were used to determine cell proliferation, migration and invasion, respectively...
October 2017: Experimental and Therapeutic Medicine
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