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https://www.readbyqxmd.com/read/29679934/nanopriming-with-zero-valent-iron-nzvi-enhances-germination-and-growth-in-aromatic-rice-cultivar-oryza-sativa-cv-gobindabhog-l
#1
Titir Guha, K V G Ravikumar, Amitava Mukherjee, Anita Mukherjee, Rita Kundu
Engineered nanoparticles are utilized in agriculture for various purposes. They can be used as fertilizer, carrier for macro/micro nutrients or priming agents. Various nanoparticles are reported to have toxicity at very high doses, but at optimum concentration, they can be beneficial for plant growth and development. In the present study, low concentrations of nZVI nanoparticles were evaluated for their growth enhancement potential as seed priming agent in an aromatic rice cultivar, Oryza sativa cv. Gobindabhog...
April 12, 2018: Plant Physiology and Biochemistry: PPB
https://www.readbyqxmd.com/read/29679925/tocotrienol-rich-fraction-supplementation-reduces-hyperglycemia-induced-skeletal-muscle-damage-through-regulation-of-insulin-signaling-and-oxidative-stress-in-type-2-diabetic-mice
#2
Heaji Lee, Yunsook Lim
Chronic hyperglycemia induces impairment of muscle growth and development of diabetes mellitus (DM). Since skeletal muscle is the major site for disposal of ingested glucose, impaired glucose metabolism causes imbalance between protein synthesis and degradation which adversely affects physical mobility. In this study, we investigated the effect of tocotrienol-rich fraction (TRF) supplementation on skeletal muscle damage in diabetic mice. Diabetes was induced by a high-fat diet with streptozotocin (STZ) injection (100 mg/kg) in male C57BL/6J mice...
March 21, 2018: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/29679902/new-lipophilic-isoniazid-derivatives-and-their-1-3-4-oxadiazole-analogues-synthesis-antimycobacterial-activity-and-investigation-of-their-mechanism-of-action
#3
Rudolf Vosátka, Martin Krátký, Markéta Švarcová, Jiří Janoušek, Jiřina Stolaříková, Jan Madacki, Stanislav Huszár, Katarína Mikušová, Jana Korduláková, František Trejtnar, Jarmila Vinšová
The development of novel drugs is essential for the treatment of tuberculosis and other mycobacterial infections in future. A series of N-alkyl-2-isonicotinoylhydrazine-1-carboxamides was synthesized from isoniazid (INH) and then cyclized to N-alkyl-5-(pyridin-4-yl)-1,3,4-oxadiazole-2-amines. All derivatives were characterised spectroscopically. The compounds were screened for their in vitro antimycobacterial activity against susceptible and multidrug-resistant Mycobacterium tuberculosis (Mtb.) and nontuberculous mycobacteria (NTM; M...
April 10, 2018: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/29679794/multi-paratopic-vegf-decoy-receptor-have-superior-anti-tumor-effects-through-anti-egfrs-and-targeted-anti-angiogenic-activities
#4
Dae Hee Lee, Myeong Youl Lee, Youngsuk Seo, Hyo Jeong Hong, Hyun Joo An, Jong Soon Kang, Ho Min Kim
Limitation of current anti-Vascular Endothelial Growth Factor (VEGF) cancer therapy is transitory responses, inevitable relapses and its insufficient tumor-targeting. Thus, multifaceted approaches, including the development of bispecific antibodies and combination strategies targeting different pathways have been proposed as an alternative. Here, we developed a novel multi-paratopic VEGF decoy receptor, Cetuximab-VEGF-Grab and Trastuzumab-VEGF-Grab, by genetically fusing VEGF decoy receptor (VEGF-Grab) to a single chain Fv of anti-Epidermal Growth Factor Receptor (EGFR) antibody (Cetuximab and Trastuzumab)...
April 16, 2018: Biomaterials
https://www.readbyqxmd.com/read/29679755/long-non-coding-rna-xist-sponges-mir-34a-to-promotes-colon-cancer-progression-via-wnt-%C3%AE-catenin-signaling-pathway
#5
Ningning Sun, Guozun Zhang, Yingying Liu
Little is known about the role of long non-coding RNA XIST in the development of colon cancer. The aim of the present study was to investigate the levels of XIST in colon cancer, and explore its underlying mechanism. In this study, we found XIST expression level was upregulated in colon cancer tissues and cell lines. In addition, the growth rate of cells transfected with si-XIST was significantly decreased compared to that with si-NC, which was reversed by miR-34a targeted with 3'-UTR. Moreover, miR-34a suppressed the expression of WNT1 by binding with the 3'-UTR, which interact with WNT1 to inhibit the proliferation of cells...
April 18, 2018: Gene
https://www.readbyqxmd.com/read/29679653/effects-of-selective-serotonin-reuptake-inhibitors-ssris-on-human-villous-trophoblasts-syncytialization
#6
Hélène Clabault, Denis Flipo, Jean Guibourdenche, Thierry Fournier, Thomas Sanderson, Cathy Vaillancourt
Selective serotonin-reuptake inhibitors (SSRIs) are the most commonly prescribed antidepressants during pregnancy. The human placenta is a highly specialized organ supporting normal growth and development of the fetus. Therefore, this study aims to analyze the effects of SSRIs on villous cytotrophoblasts cells, using BeWo cells and human placental trophoblast cells in primary culture. The SSRIs fluoxetine and its metabolite norfluoxetine, sertraline and venlafaxine did not affect BeWo cell proliferation and viability, nor the percentage of M30-positive (apoptotic) primary trophoblast cells...
April 18, 2018: Toxicology and Applied Pharmacology
https://www.readbyqxmd.com/read/29679588/growth-and-development-of-craniofacial-structures-in-patients-at-different-ages-with-unrepaired-submucous-cleft-palate
#7
Congcong Cao, Xue Xu, Qian Zheng, Bing Shi, Jingtao Li, Yan Wang
PURPOSE: Submucous cleft palate (SMCP) is a particular subtype of cleft palate deformity; research related to the craniofacial features of patients with SMCP is comparatively rare. The study objective was to perform a cephalometric comparison of the craniofacial features of patients with SMCP and non-cleft controls at different ages. MATERIALS AND METHODS: The sample in this cross-sectional study was composed of 2 groups: SMCP patients and non-cleft controls. The primary predictor variables were study group (cleft and non-cleft) and age...
March 28, 2018: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/29679567/hdac-mediated-deacetylation-of-klf5-associates-with-its-proteasomal-degradation
#8
Ran Tao, Baotong Zhang, Yixiang Li, Jamie L King, Ruoyu Tian, Siyuan Xia, Cara Rae Schiavon, Jin-Tang Dong
Krüppel-like factor 5 (KLF5) is a basic transcription factor that regulates diverse cellular processes during tumor development. Acetylation of KLF5 at lysine 369 (K369) reverses its function from promoting to suppressing cell proliferation and tumor growth. In this study, we examined the regulation of KLF5 by histone deacetylases in the prostate cancer cell line DU 145. While confirming the functions of HDAC1/2 in KLF5 deacetylation and the promotion of cell proliferation, we found that the knockdown of HDAC1/2 upregulated KLF5 protein but not KLF5 mRNA, and the increase in KLF5 protein level by silencing HDAC1/2 was at least in part due to decreased proteasomal degradation...
April 18, 2018: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29679561/drosophila-nucleostemin-3-is-required-to-maintain-larval-neuroblast-proliferation
#9
Patrick W Johnson, Chris Q Doe, Sen-Lin Lai
Stem cells must maintain proliferation during tissue development, repair and homeostasis, yet avoid tumor formation. In Drosophila, neural stem cells (neuroblasts) maintain proliferation during embryonic and larval development and terminate cell cycle during metamorphosis. An important question for understanding how tissues are generated and maintained is: what regulates stem cell proliferation versus differentiation? We performed a genetic screen which identified nucleostemin 3 (ns3) as a gene required to maintain neuroblast proliferation...
April 18, 2018: Developmental Biology
https://www.readbyqxmd.com/read/29679549/chm-1-a-novel-microtubule-destabilizing-agent-exhibits-antitumor-activity-via-inducing-the-expression-of-sirt2-in-human-breast-cancer-cells
#10
Chin-Wei Liu, Ying-Chao Lin, Chao-Ming Hung, Bing-Lan Liu, Sheng-Chu Kuo, Chi-Tang Ho, Tzong-Der Way, Chih-Hsin Hung
Breast cancer is a major public health problem throughout the world. In this report, we investigated whether CHM-1, a novel synthetic antimitotic agent could be developed into a potent antitumor agent for treating human breast cancer. CHM-1 induced growth inhibition in MDA-MB-231, MDA-MB-453 and MCF-7 cells in a concentration-dependent manner. Importantly, CHM-1 is less toxic to normal breast (HBL-100) cells. CHM-1 interacted with tubulin, markedly inhibited tubulin polymerization, and disrupted microtubule organization...
April 18, 2018: Chemico-biological Interactions
https://www.readbyqxmd.com/read/29679482/an-impurity-characterization-based-approach-for-the-rapid-development-of-integrated-downstream-purification-processes
#11
Steven M Timmick, Nicholas Vecchiarello, Chaz Goodwine, Laura E Crowell, Kerry R Love, J Christopher Love, Steven M Cramer
In this work, we describe a new approach for the characterization of process-related impurities along with an in silico tool to generate orthogonal, integrated downstream purification processes for biological products. A one-time characterization of process-related impurities from product expression in Pichia pastoris was first carried out using linear salt and pH gradients on a library of multimodal, salt-tolerant, and hydrophobic charge induction chromatographic resins. Reversed phase UPLC analysis of the fractions from these gradients was then used to generate large data sets of impurity profiles...
April 21, 2018: Biotechnology and Bioengineering
https://www.readbyqxmd.com/read/29679428/estimating-sensitivity-of-seabed-habitats-to-disturbance-by-bottom-trawling-based-on-the-longevity-of-benthic-fauna
#12
Adriaan D Rijnsdorp, Stefan G Bolam, Clement Garcia, Jan Geert Hiddink, Niels T Hintzen, P Daniel van Denderen, Tobias van Kooten
Bottom fishing such as trawling and dredging may pose serious risks to the seabed and benthic habitats, calling for a quantitative assessment method to evaluate the impact and guide management to develop mitigation measures. We provide a method to estimate the sensitivity of benthic habitats based on the longevity composition of the invertebrate community. We hypothesize that long-lived species are more sensitive to trawling mortality due to their lower pace of life (i.e. slower growth, late maturation). We analyse data from box-core and grab samples taken from 401 stations in the English Channel and southern North Sea to estimate the habitat-specific longevity composition of the benthic invertebrate community and of specific functional groups (i...
April 20, 2018: Ecological Applications: a Publication of the Ecological Society of America
https://www.readbyqxmd.com/read/29679326/synthetic-peg-hydrogel-for-engineering-the-environment-of-ovarian-follicles
#13
Uziel Mendez, Hong Zhou, Ariella Shikanov
The functional unit within the ovary is the ovarian follicle, which is also a morphological unit composed of three basic cell types: the oocyte, granulosa, and theca cells. Similar to human ovarian follicles, mouse follicles can be isolated from their ovarian environment and cultured in vitro to study folliculogenesis, or follicle development for days or weeks. Over the course of the last decade, follicle culture in a three-dimensional (3D) environment exponentially improved the outcomes of in vitro folliculogenesis...
2018: Methods in Molecular Biology
https://www.readbyqxmd.com/read/29679322/three-dimensional-hydrogel-based-culture-to-study-the-effects-of-toxicants-on-ovarian-follicles
#14
Hong Zhou, Ariella Shikanov
Various toxicants, such as drugs and their metabolites, can cause potential ovarian toxicity. As the functional units of the ovary, ovarian follicles are susceptible to this type of damage at all developmental stages. Studying the effects of toxicants on ovarian follicles is an important task. Three-dimensional (3D) hydrogels, such as fibrin alginate interpenetrating networks (FA-IPNs), can support ovarian follicle culture in vitro for extended periods of time and serve as a suitable tool for studying ovotoxicity...
2018: Methods in Molecular Biology
https://www.readbyqxmd.com/read/29679312/efficient-production-of-secretory-streptomyces-clavuligerus-%C3%AE-lactamase-inhibitory-protein-blip-in-pichia-pastoris
#15
Kin-Ho Law, Man-Wah Tsang, Yuk-Ki Wong, Ming-San Tsang, Pui-Yee Lau, Kwok-Yin Wong, Kwok-Ping Ho, Yun-Chung Leung
β-Lactamase inhibitory protein (BLIP), a low molecular weight protein from Streptomyces clavuligerus, has a wide range of potential applications in the fields of biotechnology and pharmaceutical industry because of its tight interaction with and potent inhibition on clinically important class A β-lactamases. To meet the demands for considerable amount of highly pure BLIP, this study aimed at developing an efficient expression system in eukaryotic Pichia pastoris (a methylotrophic yeast) for production of BLIP...
April 20, 2018: AMB Express
https://www.readbyqxmd.com/read/29679282/burosumab-first-global-approval
#16
Yvette N Lamb
Burosumab (Crysvita® ; Kyowa Hakko Kirin Co., Ltd. and Ultragenyx Pharmaceutical Inc.) is a fully human monoclonal antibody directed at fibroblast growth factor 23 (FGF23). Excessive FGF23 production has been implicated in various hypophosphataemic diseases. Inhibition of FGF23 by burosumab results in increased renal phosphate reabsorption and increased serum levels of phosphorus and active vitamin D. In February 2018, the EMA granted subcutaneous burosumab conditional marketing authorization for the treatment of X-linked hypophosphataemia (XLH) with radiographic evidence of bone disease in children one year of age and older and adolescents with growing skeletons...
April 20, 2018: Drugs
https://www.readbyqxmd.com/read/29679278/overexpression-of-modified-human-tr%C3%AE-1-suppresses-the-growth-of-hepatocarcinoma-sk-hep1-cells-in-vitro-and-in-xenograft-models
#17
Xiaoxiang Peng, Yuntao Zhou, Yanli Sun, Wei Song, Xiangying Meng, Chunling Zhao, Ronglan Zhao
Association studies suggest that TRβ1 functions as a tumor suppressor. Thyroid hormone receptors (TRs) mediate transcriptional responses through a highly conserved DNA-binding domain (DBD). We previously constructed an artificially modified human TRβ1 (m-TRβ1) via the introduction of a 108-bp exon sequence into the corresponding position of the wild-type human TRβ1 (TRβ1) DBD. Studies confirmed that m-TRβ1 was functional and could inhibit the proliferation of breast cancer MDA-MB-468 cells in vitro. To understand the role of m-TRβ1 in liver tumor development, we adopted a gain-of-function approach by stably expressing TRβ (m-TRβ1 and TRβ1) genes in a human hepatocarcinoma cell line, SK-hep1 (without endogenous TRβ), and then evaluated the effects of the expressed TRβ on cancer cell proliferation, migration, and tumor growth in cell-based studies and xenograft models...
April 20, 2018: Molecular and Cellular Biochemistry
https://www.readbyqxmd.com/read/29679187/growth-a-journey-from-experience-to-higher-perception-among-iranian-muslim-cpr-survivors
#18
Seyed Hamid Seyed Bagheri, Masoud Rayyani, Sedigheh Iranmanesh, Mahlagha Dehghan, Batool Tirgari, Seyed Habibollah Hosseini
Several studies have been conducted among cardiopulmonary resuscitation (CPR) survivors. Some studies have shown that positive and negative experiences coexist. Emotional distress and psychopathology in CPR survivors are related to the urgent need to make growth. Understanding the meaning of CPR survivors' lived experiences of growth may facilitate their growth. The aim of the study was to illuminate the meaning of CPR survivor's lived experiences of growth in southeast Iran. A qualitative design using a phenomenological hermeneutic approach influenced by Ricoeur was used in 12 CPR survivors...
April 20, 2018: Journal of Religion and Health
https://www.readbyqxmd.com/read/29679179/isolation-and-characterization-of-phosphofungi-and-screening-of-their-plant-growth-promoting-activities
#19
Xiaohui Wang, Changdong Wang, Junkang Sui, Zhaoyang Liu, Qian Li, Chao Ji, Xin Song, Yurong Hu, Changqian Wang, Rongbo Sa, Jiamiao Zhang, Jianfeng Du, Xunli Liu
Rhizospheric microorganisms can increase phosphorus availability in the soil. In this regard, the ability of phosphofungi to dissolve insoluble phosphorus compounds is greater than that of phosphate-solubilizing bacteria. The aim of the current study was to identify efficient phosphofungi that could be developed as commercial microbial agents. Among several phosphate-solubilizing fungal isolates screened, strain CS-1 showed the highest phosphorus-solubilization ability. Based on phylogenetic analysis of the internal transcribed spacer region sequence, it was identified as Aspergillus niger...
April 20, 2018: AMB Express
https://www.readbyqxmd.com/read/29679131/process-optimization-involving-critical-evaluation-of-oxygen-transfer-oxygen-uptake-and-nitrogen-limitation-for-enhanced-biomass-and-lipid-production-by-oleaginous-yeast-for-biofuel-application
#20
Jayita Chopra, Ramkrishna Sen
Lipid accumulation in oleaginous yeast is generally induced by nitrogen starvation, while oxygen saturation can influence biomass growth. Systematic shake flask studies that help in identifying the right nitrogen source and relate its uptake kinetics to lipid biosynthesis under varying oxygen saturation conditions are very essential for addressing the bioprocessing-related issues, which are envisaged to occur in the fermenter scale production. In the present study, lipid bioaccumulation by P. guilliermondii at varying C:N ratios and oxygen transfer conditions (assessed in terms of kL a) was investigated in shake flasks using a pre-optimized N-source and a two-stage inoculum formulated in a hybrid medium...
April 20, 2018: Bioprocess and Biosystems Engineering
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