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https://www.readbyqxmd.com/read/28823128/molecular-cloning-and-expression-analysis-of-annexin-a2-gene-in-sika-deer-antler-tip
#1
Yanling Xia, Haomiao Qu, Binshan Lu, Qiang Zhang, Heping Li
Objective: Molecular cloning and bioinformatics analysis of Annexin A2 gene in sika deer antler tip were conducted. The role of Annexin A2 gene in the growth and development of the antler were analyzed initially. Methods: The reverse transcriptase-polymerase chain reaction (RT-PCR) was used to clone the cDNA sequence of the Anxa2 gene from antler tip of sika deer (Cervus nippon hortulorum) and the bioinformatics tools provided on the web site were applied to analyze the amino acid sequence of Anxa2 protein...
August 16, 2017: Asian-Australasian Journal of Animal Sciences
https://www.readbyqxmd.com/read/28823082/mir-3910-promotes-the-growth-and-migration-of-cancer-cells-in-the-progression-of-hepatocellular-carcinoma
#2
Lina Cheng, Hongwei Wang, Shuangyin Han
INTRODUCTION: Previous studies have reported that specific depletion of mammalian sterile-like kinase (MST1) in the mouse liver driven Hepatocellular carcinoma (HCC). However, how the expression of MST1 was regulated in the progression of HCC remains largely unknown. MATERIALS AND METHODS: The expression of miR-3910 in the HCC tissues and cell lines were examined using q-PCR. The functions of miR-3910 in HCC were examined using MTT assay, Boyden chamber assay and soft agar assay...
August 19, 2017: Digestive Diseases and Sciences
https://www.readbyqxmd.com/read/28823025/nanomedicine-associated-with-photodynamic-therapy-for-glioblastoma-treatment
#3
REVIEW
Leonardo B de Paula, Fernando L Primo, Antonio C Tedesco
Glioblastoma, also known as glioblastoma multiforme (GBM), is the most recurrent and malignant astrocytic glioma found in adults. Biologically, GBMs are highly aggressive tumors that often show diffuse infiltration of the brain parenchyma, making complete surgical resection difficult. GBM is not curable with surgery alone because tumor cells typically invade the surrounding brain, rendering complete resection unsafe. Consequently, present-day therapy for malignant glioma remains a great challenge. The location of the invasive tumor cells presents several barriers to therapeutic delivery...
August 19, 2017: Biophysical Reviews
https://www.readbyqxmd.com/read/28822952/phosphorus-optimization-for-simultaneous-nitrate-contaminated-groundwater-treatment-and-algae-biomass-production-using-ettlia-sp
#4
Fariba Rezvani, Mohammad-Hossein Sarrafzadeh, Seong-Hyun Seo, Hee-Mock Oh
The effects of phosphorus concentration on the cell growth, nutrient assimilation, photosynthetic parameters, and biomass recovery of Ettlia sp. were evaluated with batch experiments using groundwater, 50mg/L of N-NO3(-), and different concentrations of P-PO4(3-): 0.5, 2.5, 5, and 10mg/L. The maximum biomass productivity and phosphorus removal rate were 0.2g/L/d and 5.95mg/L/d, respectively, with the highest phosphorus concentration of 10mg/L. However, a phosphorus concentration of 5mg/L (N:P=10) was sufficient to ensure an effective nitrogen removal rate of 11mg/L/d, maximum growth rate of 0...
August 12, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28822899/a-coupled-diffusion-fluid-pressure-model-to-predict-cell-density-distribution-for-cells-encapsulated-in-a-porous-hydrogel-scaffold-under-mechanical-loading
#5
Feihu Zhao, Ted J Vaughan, Myles J Mc Garrigle, Laoise M McNamara
Tissue formation within tissue engineering (TE) scaffolds is preceded by growth of the cells throughout the scaffold volume and attachment of cells to the scaffold substrate. It is known that mechanical stimulation, in the form of fluid perfusion or mechanical strain, enhances cell differentiation and overall tissue formation. However, due to the complex multi-physics environment of cells within TE scaffolds, cell transport under mechanical stimulation is not fully understood. Therefore, in this study, we have developed a coupled multiphysics model to predict cell density distribution in a TE scaffold...
August 3, 2017: Computers in Biology and Medicine
https://www.readbyqxmd.com/read/28822891/comparative-toxicity-of-the-plasticizer-dibutyl-phthalate-to-two-freshwater-algae
#6
Shurui Gu, Hao Zheng, Qingqing Xu, Cuizhu Sun, Mei Shi, Zhenyu Wang, Fengmin Li
Phthalate esters (PAEs), a family of emerging environmental contaminants, have been frequently detected in soils and water. However, intensive studies on the toxicity of PAEs have focused on growth response of terrestrial and aquatic animals, while only limited attention has been paid to aquatic plants, especially phytoplankton, the primary producer in aquatic ecosystems. Therefore, the acute toxic effects and underlying mechanisms of dibutyl phthalate (DBP) at different concentrations (0-20mgL(-1)) on two typical freshwater algae (Scenedesmus obliquus and Chlorella pyrenoidosa) were investigated...
August 12, 2017: Aquatic Toxicology
https://www.readbyqxmd.com/read/28822889/metformin-targets-gastric-cancer-stem-cells
#7
Sarah Courtois, Raúl V Durán, Julie Giraud, Elodie Sifré, Julien Izotte, Francis Mégraud, Philippe Lehours, Christine Varon, Emilie Bessède
Gastric cancer is the third leading cause of cancer-related deaths worldwide and has still a poor prognosis. Therefore, new therapeutic strategies are needed: among them, targeting cancer stem cells (CSCs) could offer new opportunities. The aim of our study was to evaluate the anti-tumoural effect of metformin on gastric cancer in vitro and in vivo and especially, to determine whether this molecule could target the gastric CSCs. Metformin effects were evaluated on the proliferation and tumourigenic properties of the gastric CSCs from patient-derived primary tumour xenografts (PDXs) and cancer cell lines (MKN45, AGS and MKN74) in vitro in conventional 2 dimensional (2D) and in 3 dimensional (3D) culture systems, in which only CSCs are able to form tumourspheres and in mouse xenograft models in vivo...
August 17, 2017: European Journal of Cancer
https://www.readbyqxmd.com/read/28822888/apatinib-enhances-antitumour-activity-of-egfr-tkis-in-non-small-cell-lung-cancer-with-egfr-tki-resistance
#8
Fang Li, Tengjiao Zhu, Baoshan Cao, Jiadong Wang, Li Liang
BACKGROUND: Epidermal growth factor receptor tyrosine kinase inhibitors (EGFR-TKIs)-rechallenged therapy for EGFR-mutant non-small cell lung cancer (NSCLC) patients who acquired resistance showed moderate efficacy. Considering the high interrelation between EGFR and vascular endothelial growth factor/vascular endothelial growth factor receptor (VEGF/VEGFR) pathways, we firstly evaluated EGFR-TKI combined with apatinib (a highly selective VEGFR2 inhibitor) in EGFR-TKI-resistant model and patients...
August 17, 2017: European Journal of Cancer
https://www.readbyqxmd.com/read/28822887/the-changing-diagnostic-pathway-for-lung-cancer-patients-in-shanghai-china
#9
REVIEW
Tao Jiang, Shengxiang Ren, Xuefei Li, Chunxia Su, Caicun Zhou, Mary O'Brien
Accumulating evidence suggest that patients with advanced non-small-cell lung cancer (NSCLC) and specific genomic alterations including epidermal growth factor receptor and microtubule-associated protein-like 4 anaplastic lymphoma kinase could significantly benefit from molecular-targeted therapies compared with chemotherapy. Recently, immunotherapy based on programmed cell death 1 (PD-1) and its ligand (PD-L1) blockade prolong survival in patients with advanced NSCLC, especially in those patients with positive expression of PD-L1 and when used in the first-line setting...
August 17, 2017: European Journal of Cancer
https://www.readbyqxmd.com/read/28822844/a-ph-sensitive-methenamine-mandelate-loaded-nanoparticle-induces-dna-damage-and-apoptosis-of-cancer-cells
#10
Linhua Zhang, Wenbo Hao, Lv Xu, Yongfeng Gao, Xusheng Wang, Dunwan Zhu, Zhuo Chen, Xudong Zhang, Hongbo Chen, Lin Mei
Methenamine mandelate is a urinary antibacterial agent, which can be converted to formaldehyde in urine that has a relatively low pH of average 5.5-6.8. Here, we prepare a pH-sensitive PLGA-based nanoparticle containing both methenamine mandelate and NaHCO3. Methenamine mandelate/NaHCO3-coloaded nanoparticle could enter cells via endosome/lysosome pathway. The pH in lysosomes and endo-lysosomes is approximately 5.0. In the acidic environment, NaHCO3 reacts with proton and produce CO2 bubbles, which burst nanoparticles and lead to the rapidly release of methenamine mandelate...
August 16, 2017: Acta Biomaterialia
https://www.readbyqxmd.com/read/28822836/fty720-fingolimod-an-oral-s1pr-modulator-mitigates-radiation-induced-cognitive-deficits
#11
Alexander M Stessin, Matei A Banu, Mariano Guardia Clausi, Nicholas Berry, John A Boockvar, Samuel Ryu
PURPOSE: This study evaluates FTY720/Fingolimod, modulator of sphingosine-1-phosphate (S1P) receptor, as a potential mitigator of radiation-induced neurocognitive dysfunction. METHODS AND MATERIALS: To study radiation-induced neurocognitive deficits, 6 week-old C57/Bl/6J mice received 0 or 7Gy cranial irradiation and were treated with FTY720 or vehicle for seven weeks. Fear conditioning and Morris water maze were then employed to test learning and memory. Immunohistochemical staining for neural progenitor cells (NPCs) and mature neurons was used to assess changes in hippocampal neurogenesis...
August 16, 2017: Neuroscience Letters
https://www.readbyqxmd.com/read/28822817/rosiglitazone-promotes-cardiac-hypertrophy-and-alters-chromatin-remodeling-in-isolated-cardiomyocytes
#12
Lama Fawaz Pharaon, Naglaa Fathi El-Orabi, Muhammad Kunhi, Nadya Al Yacoub, Salma Mahmoud Awad, Coralie Poizat
Rosiglitazone is an anti-diabetic agent that raised a major controversy over its cardiovascular adverse effects. There is in vivo evidence that Rosiglitazone promotes cardiac hypertrophy by PPAR -γ-independent mechanisms. However, whether Rosiglitazone directly alters hypertrophic growth in cardiac cells is unknown. Chromatin remodeling by histone post-translational modifications has emerged as critical for many cardiomyopathies. Based on these observations, this study was initiated to investigate the cardiac hypertrophic effect of Rosiglitazone in a cellular model of primary neonatal rat cardiomyocytes (NRCM)...
August 16, 2017: Toxicology Letters
https://www.readbyqxmd.com/read/28822816/genetically-modified-rabies-virus-vectored-ebola-virus-disease-vaccines-are-safe-and-induce-efficacious-immune-responses-in-mice-and-dogs
#13
Lei Shuai, Xijun Wang, Zhiyuan Wen, Jinying Ge, Jinliang Wang, Dandan Zhao, Zhigao Bu
Ebola viruses (EBOVs) are zoonotic pathogens that cause EBOV disease (EVD) with high case fatality in humans. Currently, EVD vaccines are still under development in several countries. Here, we generated two recombinant rabies viruses (RABVs), rERAG333E/ZGP and rERAG333E/SGP, expressing the Zaire EBOV glycoprotein (ZGP) or Sudan EBOV glycoprotein (SGP) gene based on a modified ERA vaccine strain (rERAG333E) vector platform. The recombinant RABVs retained growth properties similar to those of the vector virus in BSR cell culture and efficiently expressed ZGP or SGP...
August 16, 2017: Antiviral Research
https://www.readbyqxmd.com/read/28822802/stromal-expression-of-activated-leukocyte-cell-adhesion-molecule-alcam-promotes-lung-tumor-growth-and-metastasis
#14
Ann-Helen Willrodt, Michal Beffinger, Martina Vranova, Darya Protsyuk, Katja Schuler, Maria Jadhav, Mathias Heikenwalder, Maries van den Broek, Lubor Borsig, Cornelia Halin Winter
Activated leukocyte cell adhesion molecule (ALCAM) is expressed on various cell types, including leukocytes, endothelial cells and certain tumor cells. While ALCAM expression on tumor cells has been linked with tumor invasion and metastatic spread, the contribution of ALCAM expressed in cells forming the tumor stroma to cancer progression has not been investigated. In this study, we made use of ALCAM-deficient (ALCAM(-/-)) mice to evaluate the role of ALCAM in lung tumor growth and metastasis. ALCAM(-/-) mice displayed an altered blood vascular network in the lung and the diaphragm, indicative of an angiogenesis defect...
August 16, 2017: American Journal of Pathology
https://www.readbyqxmd.com/read/28822790/galectin-3-as-a-novel-regulator-of-osteoblast-osteoclast-interaction-and-bone-homeostasis
#15
Dominic Simon, Anja Derer, Fabian Andes, Patrick Lezuo, Aline Bozec, Georg Schett, Martin Herrmann, Ulrike Harre
Bone tissue undergoes permanent and lifelong remodeling with a concerted action of bone-building osteoblasts and bone-resorbing osteoclasts. A precise cooperation between those two cell types is critical in the complex process of bone renewal. Galectin-3 is a member of the β-galactoside-binding lectin family playing multiple roles in cell growth, differentiation and aggregation. As it has been described to be expressed in bone, galectin-3 might influence bone homeostasis by regulating the function and/or interplay of osteoblasts and osteoclasts...
August 16, 2017: Bone
https://www.readbyqxmd.com/read/28822767/eurostemcell-a-european-infrastructure-for-communication-and-engagement-with-stem-cell-research
#16
REVIEW
Jan Barfoot, Kate Doherty, C Clare Blackburn
EuroStemCell is a large and growing network of organizations and individuals focused on public engagement with stem cells and regenerative medicine - a fluid and contested domain, where scientific, political, ethical, legal and societal perspectives intersect. Rooted in the European stem cell research community, this project has developed collaborative and innovative approaches to information provision and direct and online engagement, that reflect and respond to the dynamic growth of the field itself. EuroStemCell started as the communication and outreach component of a research consortium and subsequently continued as a stand-alone engagement initiative...
August 16, 2017: Seminars in Cell & Developmental Biology
https://www.readbyqxmd.com/read/28822696/influence-of-surgical-decompression-on-the-expression-of-inflammatory-and-tissue-repair-biomarkers-in-periapical-cysts
#17
Janderson Teixeira Rodrigues, Henrique Dos Santos Antunes, Luciana Armada, Fábio Ramôa Pires
OBJECTIVE: The biologic effects of surgical decompression on the epithelium and connective tissues of periapical cysts are not fully understood. The aim of this study was to evaluate the expression of tissue repair and inflammatory biomarkers in periapical cysts before and after surgical decompression. STUDY DESIGN: Nine specimens of periapical cysts treated with decompression before undergoing complete enucleation were immunohistochemically analyzed to investigate the expression of interleukin-1β, tumor necrosis factor-α, transforming growth factor-β1, matrix metalloproteinase-9, Ki-67, and epidermal growth factor receptor...
July 5, 2017: Oral Surgery, Oral Medicine, Oral Pathology and Oral Radiology
https://www.readbyqxmd.com/read/28822602/time-dependent-role-of-prefrontal-cortex-and-hippocampus-on-cognitive-improvement-by-aripiprazole-in-olfactory-bulbectomized-mice
#18
Kohei Takahashi, Osamu Nakagawasai, Wataru Nemoto, Takayo Odaira, Yuichiro Arai, Tadashi Hisamitsu, Koichi Tan-No
Dopamine (DA) modulates cognitive functions in the prefrontal cortex (PFC) and hippocampus. Olfactory bulbectomy (OBX) in mice induces cognitive dysfunctions. Recently, we reported that aripiprazole (ARI) normalizes the behavioral hyper-responsivity to DA agonists in OBX mice. However, it remains unclear whether ARI affects OBX-induced cognitive dysfunctions. To address this question we evaluated ARI-treated and untreated OBX mice in a passive avoidance test. Then, we investigated the effects of ARI on cell proliferation in the hippocampal dentate gyrus by immunohistochemistry, and on c-fos levels in the PFC and hippocampus, as well as nerve growth factor (NGF) levels in the hippocampus by western blotting...
August 16, 2017: European Neuropsychopharmacology: the Journal of the European College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/28822472/tens-like-stimulation-downregulates-inflammatory-cytokines-in-a-pc-12-cell-line
#19
Guy Sovak, Brian Budgell
OBJECTIVES: The purpose of this study was to evaluate the effects of transcutaneous electrical nerve stimulation (TENS)-like stimulation on the expression of the proinflammatory cytokines tumor necrosis factor α (TNF-α), interleukin 1β (IL-1β), and IL-6 in PC-12 cells, which are commonly used as neuronal cell models. METHODS: Nerve growth factor-differentiated PC-12 cells were exposed to electrical stimulation for 15 minutes at 1 mA, 200 μs, and 100 Hz. Cell lysate from stimulated and control cells was assayed for TNF-α, IL-1β, and IL-6...
July 2017: Journal of Manipulative and Physiological Therapeutics
https://www.readbyqxmd.com/read/28822459/oral-propylene-glycol-modifies-follicular-fluid-and-gene-expression-profiles-in-cumulus-oocyte-complexes-and-embryos-in-feed-restricted-heifers
#20
G Gamarra, C Ponsart, S Lacaze, F Nuttinck, A Cordova, P Mermillod, B Marquant-Le Guienne, D Monniaux, P Humblot, A A Ponter
Dietary supplementation with propylene glycol (PG) increases in vitro production of high-quality embryos in feed-restricted heifers. The aim of the present study was to evaluate the effects of PG in feed-restricted heifers on follicular fluid insulin and insulin-like growth factor (IGF) 1 concentrations, expression of IGF system genes in oocytes and cumulus cells and the expression of selected genes in blastocysts. Feed-restricted (R) heifers were drenched with water or PG during induced oestrous cycles (400mL of PG or water/drench, daily drenching at 1600 hours for the first 9 days of the oestrous cycle)...
August 21, 2017: Reproduction, Fertility, and Development
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