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https://www.readbyqxmd.com/read/28549373/production-of-a-potential-liquid-plant-bio-stimulant-by-immobilized-piriformospora-indica-in-repeated-batch-fermentation-process
#1
Nikolay Vassilev, Bettina Eichler-Löbermann, Elena Flor-Peregrin, Vanessa Martos, Antonia Reyes, Maria Vassileva
Piriformospora indica, a mycorrhizal-like fungus able to establish associations with roots of a wide range of plants, supporting plant nutrition and increasing plant resistance and tolerance to stress, was shown to solubilise phosphate applied in the form of animal bone char (HABO) in fermentation systems. The process of P solubilisation was caused most likely by proton extrusion and medium pH lowering. The fungal mycelium was successfully immobilized/retained in a polyurethane foam carrier. Further employment of the immobilized mycelium in repeated-batch fermentation process resulted in at least 5 cycles of P solubilization...
December 2017: AMB Express
https://www.readbyqxmd.com/read/28549372/pgpr-strain-paenibacillus-polymyxa-sqr-21-potentially-benefits-watermelon-growth-by-re-shaping-root-protein-expression
#2
Yaoyao E, Jun Yuan, Fang Yang, Lei Wang, Jinghua Ma, Jing Li, Xiaowei Pu, Waseem Raza, Qiwei Huang, Qirong Shen
Paenibacillus polymyxa (SQR-21) is not only a plant growth-promoting rhizobacteria, but also an effective biocontrol agent against Fusarium wilt disease of watermelon. For the better understanding and clarifying the potential mechanisms of SQR-21 to improve watermelon growth and disease resistance, a split-root methodology in hydroponic and LC-MS technology with the label free method was used to analyze the key root proteins involved in watermelon metabolism and disease resistance after the inoculation of SQR-21...
December 2017: AMB Express
https://www.readbyqxmd.com/read/28549350/an-anti-cancer-wxxxe-containing-azurin-polypeptide-inhibits-rac1-dependent-stat3-and-erk-gsk-3%C3%AE-signaling-in-breast-cancer-cells
#3
Zhe Zhang, Zhiyong Luo, Wenpu Min, Lin Zhang, Yaqun Wu, Xiaopeng Hu
In our previous study, we characterized a mycoplasmal small GTPase-like polypeptide of 240 amino acids that possesses an N-terminal WVLGE sequence. The N-terminal WVLGE sequence promotes activation of Rac1 and subsequent host cancer cell proliferation. To investigate the function of the WxxxE motif in the interaction with Rac1 and host tumor progression, we synthesized a 35-amino acid WVLGE-containing polypeptide derived from a cell-penetrating peptide derived from the azurin protein. We verified that the WVLGE-containing polypeptide targeted MCF-7 cells rather than MCF-10A cells...
May 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/28549347/the-roles-of-ing5-in-gliomas-a-good-marker-for-tumorigenesis-and-a-potential-target-for-gene-therapy
#4
Shuang Zhao, Zhi-Juan Zhao, Hao-Yu He, Ji-Cheng Wu, Xiao-Qing Ding, Lei Yang, Ning Jia, Zhi-Jie Li, Hua-Chuan Zheng
To elucidate the anti-tumor effects and molecular mechanisms of ING5 on glioma cells, we overexpressed it in U87 cells, and examined the phenotypes and their relevant molecules. It was found that ING5 overexpression suppressed proliferation, energy metabolism, migration, invasion, and induced G2/M arrest, apoptosis, dedifferentiation, senescence, mesenchymal- epithelial transition and chemoresistance to cisplatin, MG132, paclitaxel and SAHA in U87 cells. There appeared a lower expression of N-cadherin, Twist, Slug, Zeb1, Zeb2, Snail, Ac-H3, Ac-H4, Cdc2, Cdk4 and XIAP, but a higher expression of Claudin 1, Histones 3 and 4, p21, p53, Bax, β-catenin, PI3K, Akt, and p-Akt in ING5 transfectants...
May 11, 2017: Oncotarget
https://www.readbyqxmd.com/read/28549346/functional-heterogeneity-in-tumor-derived-human-pancreatic-stellate-cells-differential-expression-of-hgf-and-implications-for-mitogenic-signaling-and-migration-in-pancreatic-cancer-cells
#5
Vegard Tjomsland, Monica Aasrum, Thoralf Christoffersen, Ivar P Gladhaug
The pancreatic stellate cell (PSC) is the principal cell type of the desmoplastic stroma of pancreatic ductal adenocarcinoma (PDAC). PSCs interact with cancer cells and influence the progression of the disease through a complex network of signaling molecules including hepatocyte growth factor (HGF). Functional heterogeneity of PSCs within a tumor might conceivably influence tumor progression. We investigated PSC populations isolated from different human PDACs and examined the effects of PSC-conditioned medium on BxPC-3 and AsPC-1 pancreatic cancer cells...
May 11, 2017: Oncotarget
https://www.readbyqxmd.com/read/28549345/a-novel-synthetic-derivative-of-quercetin-8-trifluoromethyl-3-5-7-3-4-o-pentamethyl-quercetin-inhibits-bladder-cancer-growth-by-targeting-the-ampk-mtor-signaling-pathway
#6
Ting Tao, Caimei He, Jun Deng, Yanjun Huang, Qiongli Su, Mei Peng, Meiling Yi, Kwame Oteng Darko, Hui Zou, Xiaoping Yang
Quercetin is a naturally existing compound and shows attractive anticancer properties for a variety of solid tumors including glioma, bladder cancer, hepatocellular carcinoma, breast cancer, hematological malignancies and prostate carcinoma. However, these anticancer properties have not been clinically approved due to unclear mechanistic information and its low bioactivity. In our previous study, we elucidated that quercetin activates AMPK pathway which is the major mechanism for its unique anticancer effect in bladder cancer...
May 11, 2017: Oncotarget
https://www.readbyqxmd.com/read/28549321/studies-on-free-radical-scavenging-cancer-cell-antiproliferation-and-calf-thymus-dna-interaction-of-schiff-bases
#7
Cleiton M da Silva, Marina M Silva, Fabiano S Reis, Ana Lúcia T G Ruiz, João E de Carvalho, Josué C C Santos, Isis M Figueiredo, Rosemeire B Alves, Luzia V Modolo, Ângelo de Fátima
Thirty-nine Schiff bases were synthesized by performing microwave-assisted condensation of the corresponding aldehydes and aromatic amines. Their reactive nitrogen species (RNS) scavenging activity and inhibitory effects against cancer cell growth were then subsequently investigated. Additionally, the interaction between the calf thymus DNA (ctDNA) and selected Schiff bases was evaluated using fluorescence spectroscopy, and their binding parameters were determined. The yields of the various compounds ranged from moderate to excellent (43-99%) after only a 2-min reaction...
May 17, 2017: Journal of Photochemistry and Photobiology. B, Biology
https://www.readbyqxmd.com/read/28549285/environmental-response-to-long-term-mariculture-activities-in-the-weihai-coastal-area-china
#8
Hongmei Li, Xiaomin Li, Qiang Li, Ying Liu, Jide Song, Yongyu Zhang
The environmental impacts of rapid expansion of mariculture have garnered worldwide attention. China is currently one of the largest countries to engage in this practice. In this study, a representative mariculture zone, the Weihai coastal area in China, was explored to determine the temporal variations in regional nutrients, N/P ratio, dissolved oxygen (DO), pH, chlorophyll a (Chl-a), and cellular abundance of diatoms and dinoflagellates in response to the rapid growth in mariculture activities between 2006 and 2014...
May 23, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28549261/small-spontaneously-ruptured-gastrointestinal-stromal-tumor-in-the-small-intestine-causing-hemoperitoneum-a-case-report
#9
Shuichi Fukuda, Yoshinori Fujiwara, Tomoko Wakasa, Keisuke Inoue, Kotaro Kitani, Hajime Ishikawa, Masanori Tsujie, Masao Yukawa, Yoshio Ohta, Masatoshi Inoue
INTRODUCTION: Gastrointestinal stromal tumors (GISTs) are clinically asymptomatic until they reach a significant size; therefore, GISTs that are 2cm or less are typically asymptomatic. Patients with symptomatic GISTs typically present with abdominal pain, gastrointestinal bleeding, or a palpable mass but rarely present with hemoperitoneum. PRESENTATION OF CASE: A 72-year-old Japanese man presented to us with acute onset abdominal pain. Physical examination showed peritoneal irritation in the lower abdomen...
May 17, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28549260/identification-of-oral-cavity-biofilm-forming-bacteria-and-determination-of-their-growth-inhibition-by-acacia-arabica-tamarix-aphylla-l-and-melia-azedarach-l-medicinal-plants
#10
Muhammad Khalid, Danial Hassani, Muhammad Bilal, Zahid Ali Butt, Muhammad Hamayun, Ayaz Ahmad, Danfeng Huang, Anwar Hussain
OBJECTIVE: Biofilms are complex, multi-species bacterial communities that colonize the oral cavity in the form of plaque and are known to cause dental caries and periodontal disease. Present study demonstrated the potential of three selected medicinal plants against isolated and identified dental biofilm forming strains. METHODS: Pathogenic bacteria from dental biofilms were isolated, cultured, identified by phylogenetic analysis using PCR-based 16S ribosomal RNA (or 16S rRNA) nucleotide sequences and were analyzed for their biofilm forming capability...
May 18, 2017: Archives of Oral Biology
https://www.readbyqxmd.com/read/28549253/synechococcus-nidulans-from-a-thermoelectric-coal-power-plant-as-a-potential-co2-mitigation-in-culture-medium-containing-flue-gas-wastes
#11
Jessica Hartwig Duarte, Jorge Alberto Vieira Costa
This study evaluated the intermittent addition of coal flue gas wastes (CO2, SO2, NO and ash) into a Synechococcus nidulans LEB 115 cultivation in terms of growth parameters, CO2 biofixation and biomass characterization. The microalga from a coal thermoelectric plant showed tolerance up to 200ppm SO2 and NO, with a maximum specific growth rate of 0.18±0.03d(-)(1). The addition of thermal coal ash to the cultivation increased the Synechococcus nidulans LEB 115 maximum cell growth by approximately 1.3 times...
May 13, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28549248/metastatic-chromophobe-renal-cell-carcinoma-treated-with-targeted-therapies-a-renal-cross-channel-group%C3%A2-study
#12
Emeline Colomba, Gwénaël Le Teuff, Tim Eisen, Grant D Stewart, Kate Fife, James Larkin, Andrea Biondo, Lisa Pickering, Anandagopal Srinivasan, Helen Boyle, Lisa Derosa, Cora N Sternberg, Federica Recine, Christy Ralph, Carolina Saldana, Philippe Barthélémy, Jean Christophe Bernhard, Howard Gurney, Gregory Verhoest, Elodie Vauleon, Pierre Bigot, Julien Berger, Christian Pfister, Gwenaelle Gravis, Jean-Michel Rodier, Stéphane Culine, Armelle Caty, Frederic Rolland, Franck Priou, Bernard Escudier, Laurence Albiges
BACKGROUND: Treatment of non-clear cell renal cell carcinoma (RCC) remains controversial despite several recent prospective studies of targeted therapies (TT). Often Vascular Endothelial growth Factor (VEGF) and Mammalian Target of Rapamycin (mTOR) inhibitors are used, extrapolating the data from use of these agents in clear cell RCC. METHODS: We performed a retrospective data analysis within the Renal Cross Channel Group to determine metastatic chromophobe RCC (mChRCC) outcomes in the TT era...
May 23, 2017: European Journal of Cancer
https://www.readbyqxmd.com/read/28549227/too-much-or-just-enough-of-a-good-thing-vascular-endothelial-growth-factor-inhibition-in-renal-cell-carcinoma
#13
Lauren C Harshman
No abstract text is available yet for this article.
June 1, 2017: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28549218/exosite-2-directed-ligands-attenuate-protein-c-activation-by-the-thrombin-thrombomodulin-complex
#14
Kai Chen, Alan R Stafford, Chengliang Wu, Calvin Yeh, Paul Y Kim, James C Fredenburgh, Jeffrey I Weitz
Thrombin activity, inhibition, and localization are regulated by two exosites that flank the active site. Substrates, cofactors and inhibitors bind to exosite 1 to promote active site access, whereas exosite 2 interactions retain thrombin on cells, platelets, and proteins. The exosites also serve allosteric roles, whereby ligand binding alters thrombin activity. Previously, we showed that ligands that bind exosite 2 attenuate the exosite 1-mediated interaction of thrombin with fibrin, demonstrating allosteric connection between the exosites...
May 26, 2017: Biochemistry
https://www.readbyqxmd.com/read/28549216/agglomeration-determines-effects-of-carbonaceous-nanomaterials-on-soybean-nodulation-dinitrogen-fixation-potential-and-growth-in-soil
#15
Ying Wang, Chong Hyun Chang, Zhaoxia Ji, Dermont C Bouchard, Roger M Nisbet, Joshua P Schimel, Jorge L Gardea-Torresdey, Patricia A Holden
The potential effects of carbonaceous nanomaterials (CNMs) on agricultural plants are of concern. However, little research has been performed using plants cultivated to maturity in soils contaminated with various CNMs at different concentrations. Here, we grew soybean for 39 days to seed production in soil amended with 0.1, 100, or 1000 mg kg-1 of either multi-walled carbon nanotubes (MWCNTs), graphene nanoplatelets (GNPs), or carbon black (CB), and studied plant growth, nodulation, and dinitrogen (N2) fixation potential...
May 26, 2017: ACS Nano
https://www.readbyqxmd.com/read/28549215/nanowire-mesh-templated-growth-of-out-of-plane-three-dimensional-fuzzy-graphene
#16
Raghav Garg, Sahil Kumar Rastogi, Michael Lamparski, Sergio de la Barrera, Gordon T Pace, Noel T Nuhfer, Benjamin Matthew Hunt, Vincent Meunier, Tzahi Cohen-Karni
Graphene, a honeycomb sp(2) hybridized carbon lattice, is a promising building block for hybrid-nanomaterials due to its electrical, mechanical, and optical properties. Graphene can be readily obtained through mechanical exfoliation, solution-based deposition of reduced graphene oxide (rGO), and chemical vapor deposition (CVD). The resulting graphene films' topology is two-dimensional (2D) surface. Recently a three-dimensional (3D) graphene topology has been demonstrated by various approaches. However, the resulting graphene films are lying flat on the surface hence still exposing a 2D surface topology...
May 26, 2017: ACS Nano
https://www.readbyqxmd.com/read/28549201/cytogenetic-aspects-of-a-canine-breast-carcinosarcoma-a-case-report
#17
C S D Morais, P R A M Affonso, J A Bitencourt, A A Wenceslau
This study searched a rare and aggressive type of cancer in dogs and humans, the breast carcinosarcoma. Both clinical and pathological traits of mammary carcinosarcomas in dogs are similar to humans, such as infrequent occurrence, fast tumor growth, and unfavorable prognosis when compared to carcinomas. Other possible alterations include chromosomal abnormalities that can be useful for the identification of tumoral cells and diagnosis. The aim of this study was to compare the chromosomal features of peripheral lymphocytes and tumor cells in a mammary carcinosarcoma of a 14-year-old female Poodle...
May 25, 2017: Genetics and Molecular Research: GMR
https://www.readbyqxmd.com/read/28549199/effect-of-1-25-oh2d3-on-the-proliferation-of-human-mesangial-cells-and-their-expression-of-ki67
#18
D Zhao, C-J Zhang, R Yang, J-P Chen, L Ma, G Liu, X-P Yang
Previous studies have found that 1,25-dihydroxyvitamin D3 [1,25(OH)2D3 or VD3] exerts many biological effects, including the inhibition of cell proliferation and induction of apoptosis, but its mechanism of action remains unclear. The goal of our investigation was to explore the effects of 1,25(OH)2D3 on the proliferation of cultured human mesangial cells and their expression of Ki67 in vitro, and to establish its mechanism of action. Cultured human mesangial cells were randomly divided into the following four groups: normal control (N group; administered Dulbecco's modified Eagle's medium containing 5% fetal bovine serum), proliferation [epidermal growth factor (EGF) group; administered 10 μg/L EGF], VD3 intervention [administered 10(-8) M 1,25(OH)2D3], and proliferation and intervention [EGF+VD3 group; administered 10 μg/L EGF and 10(-8) M 1,25(OH)2D3]...
May 25, 2017: Genetics and Molecular Research: GMR
https://www.readbyqxmd.com/read/28549196/effects-of-enterococcus-faecium-slb-120-on-growth-performance-blood-parameters-relative-organ-weight-breast-muscle-meat-quality-excreta-microbiota-shedding-and-noxious-gas-emission-in-broilers
#19
R X Lan, S I Lee, I H Kim
This 5-week study was conducted to determine the effects of Enterococcus faecium (SLB 120) on growth performance, blood parameters, relative organ weight, breast muscle meat quality, excreta microbiota shedding, and noxious gas emission in broilers. A total of 816 one-day-old male broilers were allocated to 4 groups with 12 replications (17 broilers/pen) according to body weight (43.2 ± 0.32 g). Dietary treatment groups were: (1) CON, basal diet, (2) T1, CON + 0.05% E. faecium, (3) T2, CON + 0.10% E. faecium, (4) T3, CON + 0...
May 26, 2017: Poultry Science
https://www.readbyqxmd.com/read/28549182/single-provenance-mature-conifers-show-higher-non-structural-carbohydrate-storage-and-reduced-growth-in-a-drier-location
#20
Frida I Piper, Alex Fajardo, Günter Hoch
Since growth is more sensitive to drought than photosynthesis, trees inhabiting dry regions are expected to exhibit higher carbohydrate storage and less growth than their conspecifics from more humid regions. However, the same pattern can be the result of different genotypes inhabiting contrasting humidity conditions. To test if reduced growth and high carbohydrate storage are environmentally driven by drought, we examined the growth and non-structural carbohydrate (NSC) concentrations in single-provenance stands of mature trees of Pinus contorta Douglas and Pinus ponderosa Douglas ex C...
May 26, 2017: Tree Physiology
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