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https://www.readbyqxmd.com/read/28434167/analysis-of-s1p-receptor-expression-by-uterine-immune-cells-using-standardized-multi-parametric-flow-cytometry
#1
Jianhong Zhang, Annie Bang, Stephen J Lye
Flow cytometry is a powerful tool for phenotypic and functional analyses of single immune cells. The increasing capability of flow cytometry technology has driven a more detailed understanding of immune cell subsets and functions in complex cellular systems such as the developing human decidua/placenta. We propose a standardized procedure for the isolation and analysis of human decidual natural killer (dNK) cells and this method can be extended to investigation of other uterine lymphocytes. Here this platform is used to examine the expression of sphingosine-1-phosphate (S1P) receptor and functional growth factors by dNK cells...
April 23, 2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28434113/precision-knockdown-of-egfr-gene-expression-using-radio-frequency-electromagnetic-energy
#2
Ilya V Ulasov, Haidn Foster, Mike Butters, Jae-Geun Yoon, Tomoko Ozawa, Theodore Nicolaides, Xavier Figueroa, Parvinder Hothi, Michael Prados, John Butters, Charles Cobbs
Electromagnetic fields (EMF) in the radio frequency energy (RFE) range can affect cells at the molecular level. Here we report a technology that can record the specific RFE signal of a given molecule, in this case the siRNA of epidermal growth factor receptor (EGFR). We demonstrate that cells exposed to this EGFR siRNA RFE signal have a 30-70% reduction of EGFR mRNA expression and ~60% reduction in EGFR protein expression vs. control treated cells. Specificity for EGFR siRNA effect was confirmed via RNA microarray and antibody dot blot array...
April 22, 2017: Journal of Neuro-oncology
https://www.readbyqxmd.com/read/28434000/apolipoprotein-a1-inhibits-the-tgf-%C3%AE-1-induced-endothelial-to-mesenchymal-transition-of-human-coronary-artery-endothelial-cells
#3
Juling Feng, Jingjing Zhang, Ampadu O Jackson, Xiao Zhu, Hainan Chen, Wen Chen, Qingjun Gui, Kai Yin
OBJECTIVE: Transforming growth factor β1 (TGF-β1) is the major cytokine for stimulating endothelial cells (ECs) to transdifferentiate to mesenchymal cells (MCs) in the process known as endothelial-to-mesenchymal transition (EndMT). Recently, TGF-β1-induced EndMT has been implicated in the pathogenesis of atherosclerosis (AS). It has been identified that apolipoprotein A1 (ApoA-I) obstructs TGF-β1-induced endothelial dysfunction, providing a protective effect for ECs and also anti-AS activity...
April 22, 2017: Cardiology
https://www.readbyqxmd.com/read/28433997/argon-delays-initiation-of-liver-regeneration-after-partial-hepatectomy-in-rats
#4
Tom Florian Ulmer, Athanassious Fragoulis, Henriette Dohmeier, Andreas Kroh, Anne Andert, Christian Stoppe, Hamid Alizai, Christian Klink, Mark Coburn, Ulf Peter Neumann
BACKGROUND: The liver can heal up to restitutio ad integrum following damage resulting from various causes. Different studies have demonstrated the protective effect of argon on various cells and organs. To the best of our knowledge, the organ-protective effects of the noble gas argon on the liver have not yet been investigated, although argon appears to influence signal paths that are well-known mediators of liver regeneration. We hypothesized that argon inhalation prior to partial hepatectomy (70%) has a positive effect on the initiation of liver regeneration in rats...
April 22, 2017: European Surgical Research. Europäische Chirurgische Forschung. Recherches Chirurgicales Européennes
https://www.readbyqxmd.com/read/28433992/the-aachen-minipig-phenotype-genotype-hematological-and-biochemical-characterization-and-comparison-to-the-g%C3%A3-ttingen-minipig
#5
Kerstin Pawlowsky, Lisa Ernst, Julia Steitz, Thaddäus Stopinski, Babette Kögel, Anna Henger, Reinhart Kluge, René Tolba
BACKGROUND: The pig is one of the most frequently used large animal models for biomedical research, especially in the field of translational research and surgical models. While standard livestock breeds are used in short-term and acute studies, minipig breeds are the preferred breeds in long-term and chronic studies due to their limited growth and body weight. OBJECTIVE: In consideration of the 3R principle (refinement, reduction, replacement) and the increasing demand, the aim of this study was to generate a new, robust, non-specific-pathogen-free minipig breed, the Aachen minipig...
April 22, 2017: European Surgical Research. Europäische Chirurgische Forschung. Recherches Chirurgicales Européennes
https://www.readbyqxmd.com/read/28433904/biodegradation-of-naproxen-by-freshwater-algae-cymbella-sp-and-scenedesmus-quadricauda-and-the-comparative-toxicity
#6
Tengda Ding, Kunde Lin, Bo Yang, Mengting Yang, Juying Li, Wenying Li, Jay Gan
Naproxen is one of the most prevalent pharmaceuticals and of great environment concern. Information about bioremediation of naproxen by algae remains limited and no study has been reported on the degradation mechanism and the toxicity of NPX on algae. In this study, both Cymbella sp. and Scenedesmus quadricauda showed complete growth inhibition (100%) at 100mgL(-1) within 24h. Biochemical characteristics including chlorophyll a, carotenoid contents and enzyme activities for these two microalgae were affected by NPX at relatively high concentrations after 4d of exposure...
April 8, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28433890/il-37-induces-autophagy-in-hepatocellular-carcinoma-cells-by-inhibiting-the-pi3k-akt-mtor-pathway
#7
Ting-Ting Li, Di Zhu, Tong Mou, Zhen Guo, Jun-Liang Pu, Qing-Song Chen, Xu-Fu Wei, Zhong-Jun Wu
Autophagy is an intracellular "self-eating" process that is closely related to inflammation and cellular immunity. New studies indicate that autophagy is also involved in tumor suppression. The anti-inflammatory cytokine interleukin-37 (IL-37) has been shown to have tumor-suppressive abilities in hepatocellular carcinoma (HCC). Notably, autophagy appears to play a dual role in the development of HCC and may be involved in both tumorigenesis and tumor suppression. However, the potential role of IL-37 in autophagy is currently unknown...
April 20, 2017: Molecular Immunology
https://www.readbyqxmd.com/read/28433873/ph-dependent-synthesis-of-two-isomeric-dinuclear-cerium-ii-complexes-structures-dna-interactions-cytotoxic-activity-and-apoptotic-study
#8
En-Jun Gao, Jun-Qi Su, Hai-Tao Jin, Si-Jia Liu, Fu-Chen Zhao, Yang Meng, Xiao-Yu Ma, Jing Ge, Ya-Guang Sun, Wanzhong Zhang, Ming-Chang Zhu
Two isomeric dinuclear Cerium(II) complexes 1 and 2, formulated as Ce2(phen)2(NO3)2(L)4 [L=phenylacetic acid, phen=1,10-phenanthroline] was synthesized under solvothermal conditions at different pH values. The two complexes were characterized by elemental analysis, IR and single crystal X-ray diffraction. Complexes 1 and 2 were studied the binding with DNA and against cytotoxic activity. Fluorescence analysis indicated that the two complexes can bind to DNA. The changes with different gradient concentration of DNA added into the complexes in absorption spectra show a strongπ-stacking interaction between the complexes and DNA base pairs...
April 11, 2017: Journal of Photochemistry and Photobiology. B, Biology
https://www.readbyqxmd.com/read/28433812/the-perlecan-interacting-growth-factor-progranulin-regulates-ubiquitination-sorting-and-lysosomal-degradation-of-sortilin
#9
Ryuta Tanimoto, Chiara Palladino, Shi-Qiong Xu, Simone Buraschi, Thomas Neill, Leonard G Gomella, Stephen C Peiper, Antonino Belfiore, Renato V Iozzo, Andrea Morrione
Despite extensive clinical and experimental studies over the past decades, the pathogenesis and progression to the castration-resistant stage of prostate cancer remains largely unknown. Progranulin, a secreted growth factor, strongly binds the heparin-sulfate proteoglycan perlecan, and counteracts its biological activity. We established that progranulin acts as an autocrine growth factor and promotes prostate cancer cell motility, invasion, and anchorage-independent growth. Progranulin was overexpressed in prostate cancer tissues vis-à-vis non-neoplastic tissues supporting the hypothesis that progranulin may play a key role in prostate cancer progression...
April 20, 2017: Matrix Biology: Journal of the International Society for Matrix Biology
https://www.readbyqxmd.com/read/28433772/mesenchymal-stem-cells-induce-epithelial-to-mesenchymal-transition-in-colon-cancer-cells-through-direct-cell-to-cell-contact
#10
Hidehiko Takigawa, Yasuhiko Kitadai, Kei Shinagawa, Ryo Yuge, Yukihito Higashi, Shinji Tanaka, Wataru Yasui, Kazuaki Chayama
We previously reported that in an orthotopic nude mouse model of human colon cancer, bone marrow-derived mesenchymal stem cells (MSCs) migrated to the tumor stroma and promoted tumor growth and metastasis. Here, we evaluated the proliferation and migration ability of cancer cells cocultured with MSCs to elucidate the mechanism of interaction between cancer cells and MSCs. Proliferation and migration of cancer cells increased following direct coculture with MSCs but not following indirect coculture. Thus, we hypothesized that direct contact between cancer cells and MSCs was important...
April 20, 2017: Neoplasia: An International Journal for Oncology Research
https://www.readbyqxmd.com/read/28433746/transforming-growth-factor-beta-1-signaling-regulates-neuroinflammation-and-apoptosis-in-mild-traumatic-brain-injury
#11
Rachel K Patel, Nithisha Prasad, Ram Kuwar, Debanjan Haldar, P M Abdul-Muneer
Mild Traumatic brain injury (mTBI) is a low-level injury, which often remains undiagnosed, and in most cases it leads to death and disability as it advances as secondary injury. Therefore, it is important to study the underlying signaling mechanisms of mTBI-associated neurological ailments. While transforming growth factor-beta1 (TGF-β1) has a significant role in inflammation and apoptosis in myriads of other pathophysiological conditions, the precise function of increased TGF-β1 after mTBI is unknown. In this study, our objective is to study the physiological relevance and associated mechanisms of TGF-β1-mediated inflammation and apoptosis in mTBI...
April 19, 2017: Brain, Behavior, and Immunity
https://www.readbyqxmd.com/read/28433722/high-precision-genome-sequencing-of-engineered-g-oxydans-621h-by-combining-long-nanopore-and-short-accurate-illumina-reads
#12
Angela Kranz, Alexander Vogel, Ursula Degner, Ines Kiefler, Michael Bott, Björn Usadel, Tino Polen
State of the art and novel high-throughput DNA sequencing technologies enable fascinating opportunities and applications in the life sciences including microbial genomics. Short high-quality read data already enable not only microbial genome sequencing, yet can be inadequately to solve problems in genome assemblies and for the analysis of structural variants, especially in engineered microbial cell factories. Single-molecule real-time sequencing technologies generating long reads promise to solve such assembly problems...
April 19, 2017: Journal of Biotechnology
https://www.readbyqxmd.com/read/28433699/egfr-mediated-apoptosis-via-stat3
#13
Nicole M Jackson, Brian P Ceresa
The Epidermal Growth Factor Receptor (EGFR) is a cell surface receptor with primary implications in cell growth in both normal and malignant tissue. Paradoxically, cell lines that hyperexpress the EGFR have been documented to undergo receptor-mediated apoptosis. The underlying mechanism by which EGF-induced apoptosis occurs however remains inexplicit. In an attempt to identify this mechanism, we assessed downstream effectors of EGFR in MDA-MB-468 cells during conditions of EGF-induced apoptosis. The effector assessment revealed STAT3 as a potential mediator of EGF-induced apoptosis...
April 19, 2017: Experimental Cell Research
https://www.readbyqxmd.com/read/28433657/mir-938-promotes-colorectal-cancer-cell-proliferation-via-targeting-tumor-suppressor-phlpp2
#14
Chang-Feng Li, Yong-Chao Li, Jing-Peng Jin, Zhen-Kun Yan, Dan-Dan Li
Colorectal cancer (CRC) is one of the leading causes of cancer-related deaths worldwide. Although the development of therapy approaches, the outcome of CRC patients still is poor, understanding the biological mechanism of CRC progression is critical to improve the treatment strategies. miRNAs regulate CRC progression, we found miR-938 was upregulated in CRC tissues and cells, MTT assay, colony formation assay and soft agar growth assay suggested miR-938 overexpression promoted CRC cell proliferation, miR-938 knockdown inhibited CRC cell proliferation...
April 19, 2017: European Journal of Pharmacology
https://www.readbyqxmd.com/read/28433654/high-molecular-weight-fgf2-isoforms-demonstrate-canonical-receptor-mediated-activity-and-support-human-embryonic-stem-cell-self-renewal
#15
Denis Kole, Alexandra Grella, David Dolivo, Lucia Shumaker, William Hermans, Tanja Dominko
Basic fibroblast growth factor (FGF2) is a highly pleiotropic member of a large family of growth factors with a broad range of activities, including mitogenesis and angiogenesis (Ornitz et al., 1996; Zhang et al., 2006), and it is known to be essential for maintenance of balance between survival, proliferation, and self-renewal in human pluripotent stem cells (Eiselleova et al., 2009; Zoumaro-Djayoon et al., 2011). A single FGF2 transcript can be translated into five FGF2 protein isoforms, an 18kDa low molecular weight (LMW) isoform and four larger high molecular weight (HMW) isoforms (Arese et al...
April 18, 2017: Stem Cell Research
https://www.readbyqxmd.com/read/28433596/effects-of-diuron-and-carbofuran-and-their-mixtures-on-the-microalgae-raphidocelis-subcapitata
#16
Adrislaine S Mansano, Raquel A Moreira, Hugo C Dornfeld, Emanuela C Freitas, Eny M Vieira, Hugo Sarmento, Odete Rocha, Mirna H R Seleghim
In aquatic environments, organisms are often exposed to mixtures of several pesticides. In this study, the effects of carbofuran and diuron and their mixtures on the microalgae Raphidocelis subcapitata were investigated. For this purpose, toxicity tests were performed with the single compounds (active ingredients and commercial formulations) and their combinations (only active ingredients). According to the results, the toxicity of active ingredients and their commercial formulations to R. subcapitata was similar...
April 20, 2017: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/28433582/effects-of-twenty-standard-amino-acids-on-biochemical-constituents-docosahexaenoic-acid-production-and-metabolic-activity-changes-of-crypthecodinium-cohnii
#17
Waseem Safdar, Xinyi Zan, Muhammad Shamoon, Hafiz Rizwan Sharif, Omar Mukama, Xin Tang, Yuanda Song
The influence of 20 standard amino acids was investigated on growth, lipid accumulation, docosahexaenoic acid (DHA) production and cell biochemical composition of Crypthecodinium cohnii. C. cohnii efficiently utilize organic nitrogen (predominantly threonine and to a lesser extent tyrosine and serine) as compared to inorganic nitrogen (NH4)2SO4. However, No significant effect was observed on major biochemical composition of C. cohnii (lipids, carbohydrates and proteins) under N limitation or supplementation with different N-sources...
April 9, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28433543/phenformin-inhibits-myeloid-derived-suppressor-cells-and-enhances-the-anti-tumor-activity-of-pd-1-blockade-in-melanoma
#18
Sun Hye Kim, Man Li, Sebastian Trousil, Yaqing Zhang, Marina Pasca di Magliano, Kenneth D Swanson, Bin Zheng
Biguanides, such as the diabetes therapeutics metformin and phenformin, have demonstrated antitumor activity both in vitro and in vivo. However, their potential effects on the tumor microenvironment are largely unknown. Here we report that phenformin selectively inhibits granulocytic myeloid-derived suppressor cells (G-MDSCs) in spleens of tumor bearing mice and ex vivo. Phenformin induces production of reactive oxygen species in G-MDSC, whereas the antioxidant N-acetylcysteine attenuates the inhibitory effects of phenformin...
April 19, 2017: Journal of Investigative Dermatology
https://www.readbyqxmd.com/read/28433540/er-%C3%AE-36-interactions-with-cytosolic-molecular-network-in-acquired-tamoxifen-resistance
#19
REVIEW
Azin Teymourzadeh, Sepideh Mansouri, Leila Farahmand, Aysooda Hosseinzade, Keivan Majidzadeh-A
According to the World Health Organization (WHO) published data in 2015; breast cancer is the most prevalent and the second leading cause of cancer death among females. As approximately 70% of breast cancer tumor cells are estrogen receptor (ER) positive, primary therapeutic agents such as Anti-estrogens were produced mostly in a way to target this receptor. Anti-estrogen therapies mostly target Estrogen receptor and block its underlying signaling pathways. Nevertheless, resistance to these agents made the condition more complicated...
March 30, 2017: Clinical Breast Cancer
https://www.readbyqxmd.com/read/28433515/understanding-clinical-development-of-chimeric-antigen-receptor-t-cell-therapies
#20
Sofieke de Wilde, Henk-Jan Guchelaar, Maarten Laurens Zandvliet, Pauline Meij
BACKGROUND AIMS: In the past decade, many clinical trials with gene- and cell-based therapies (GCTs) have been performed. Increased interest in the development of these drug products by various stakeholders has become apparent. Despite this growth in clinical studies, the number of therapies receiving marketing authorization approval (MAA) is lagging behind. To enhance the success rate of GCT development, it is essential to better understand the clinical development of these products...
April 19, 2017: Cytotherapy
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