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https://www.readbyqxmd.com/read/28651374/cd70-a-novel-target-of-car-t-cell-therapy-for-gliomas
#1
Linchun Jin, Haitao Ge, Yu Long, Changlin Yang, Yifan Emily Chang, Luyan Mu, Elias J Sayour, Gabriel De Leon, Qiong J Wang, James C Yang, Paul S Kubilis, Hongbo Bao, Songsong Xia, Dunyue Lu, Yingjun Kong, Li Hu, Yujiao Shang, Chencheng Jiang, Jing Nie, Shimin Li, Yunhe Gu, Jiahang Sun, Duane A Mitchell, Zhiguo Lin, Jianping Huang
Background: Cancer immunotherapy represents a promising treatment approach for malignant-gliomas, but is hampered by the limited number of ubiquitously expressed tumor antigens and the profoundly immunosuppressive tumor microenvironment. We identified CD70 as a novel immunosuppressive ligand and glioma target. Methods: Normal tissues derived from 52 different organs, and primary and recurrent low-grade gliomas (LGGs) and glioblastomas (GBMs) were thoroughly evaluated for CD70 gene and protein expression...
June 23, 2017: Neuro-oncology
https://www.readbyqxmd.com/read/28651338/evaluation-of-the-impact-of-tumor-hpv-status-on-outcome-in-patients-with-locally-advanced-unresectable-head-and-neck-squamous-cell-carcinoma-hnscc-receiving-cisplatin-5-fluorouracil-with-or-without-docetaxel-a-subset-analysis-of-eortc-24971-study
#2
A Psyrri, C Fortpied, G Koutsodontis, M Avgeris, C Kroupis, N Goutas, J Menis, L Herman, L Giurgea, E Remenar, M Degardin, I S Pateras, J A Langendijk, C van Herpen, A Awada, J R Germà-Lluch, H R Kienzer, L Licitra, J B Vermorken
Background: EORTC 24971 was a phase III trial demonstrating superiority of induction regimen TPF over PF, in terms of progression-free (PFS) and overall survival (OS) in locoregionally advanced unresectable HNSCC. We conducted a retrospective analysis of prospectively collected data aiming to evaluate whether only HPV(-) patients (pts) benefit from adding docetaxel to PF, in which case de-intensifying induction treatment in HPV(+) pts could be considered. Methods: Pre-therapy tumor biopsies (blocks or slides) were assessed for high-risk HPV by p16 immunohistochemistry, PCR and qPCR...
June 23, 2017: Annals of Oncology: Official Journal of the European Society for Medical Oncology
https://www.readbyqxmd.com/read/28651331/il-1%C3%AE-up-regulates-star-and-progesterone-production-through-the-erk1-2-and-p38-mediated-creb-signaling-pathways-in-human-granulosa-lutein-cells
#3
Xuan Dang, Qinling Zhu, Yaqiong He, Yuan Wang, Yao Lu, Xiaoxue Li, Jia Qi, Hasiximuke Wu, Yun Sun
The pro-inflammatory cytokine interleukin-1β (IL-1β) may be involved in several ovulation-associated events, such as proteases synthesis, prostaglandin production and steroidogenesis in granulosa cells. However, the exact effect of IL-1β on progesterone synthesis in granulosa cells and the underlying mechanism remain unclear. By using cultured granulosa-lutein cells collected from women undergoing in vitro fertilization or intracytoplasmic sperm injection, we found that IL-1β up-regulated steroidogenic acute regulatory protein (StAR) expression and progesterone synthesis in granulosa-lutein cells, which was comparable with luteinizing hormone (LH) effect and could be abolished by an IL-1 receptor antagonist...
June 23, 2017: Endocrinology
https://www.readbyqxmd.com/read/28651306/heme-oxygenase-1-induction-and-anti-inflammatory-actions-of-atractylodes-macrocephala-and-taraxacum-herba-extracts-prevented-colitis-and-was-more-effective-than-sulfasalazine-in-preventing-relapse
#4
Kyu-Hyun Han, Jong-Min Park, Migyeong Jeong, Young-Min Han, Eun-Jin Go, Juyeon Park, Hocheol Kim, Jae Gab Han, Oran Kwon, Ki Baik Hahm
Background/Aims: In inflammatory bowel disease (IBD), repeated bouts of remission and relapse occur in patients and can impose a risk of colitis-associated cancer. We hypothesized that plant extracts of Atractylodes macrocephala (AM) or Taraxacum herba (TH) may be better than sulfasalazine for treating this disease because these extracts can promote additional regeneration. Methods: Murine intestinal epithelial IEC-6 cells were pretreated with AM or TH before a lipopolysaccharide (LPS)-induced challenge...
June 27, 2017: Gut and Liver
https://www.readbyqxmd.com/read/28651258/a-randomized-trial-of-foley-balloon-induction-of-labor-trial-in-multiparas-fiat-m
#5
Katherine A Connolly, Katherine S Kohari, Stephanie H Factor, Patricia Rekawek, Meredith R Miller, Brooke S Smilen, Joanne L Stone, Angela T Bianco
No abstract text is available yet for this article.
June 26, 2017: American Journal of Perinatology
https://www.readbyqxmd.com/read/28651122/activation-of-irf3-contributes-to-ifn-%C3%AE-and-isg54-expression-during-the-immune-responses-to-b16f10-tumor-growth
#6
Zachary Guinn, Deborah M Brown, Thomas M Petro
Interferon Regulatory Factor (IRF-3) has been shown to contribute to immune control of B16 melanoma tumor growth. We have shown previously that IRF-3 has a role in IFN-γ-induced expression of pro-apoptotic interferon stimulated gene 54 (ISG54) in macrophages and IFN-γ in T cells. To investigate the IRF3-IFN-γ-ISG54 nexus, we injected C57Bl/6 (B6) and IRF3KO mice s.c. with luciferase-producing B16-F10 tumor cells. Tumor growth as measured by luciferase levels was similar between B6 and IRF3KO mice at days 2 and 6, but was significantly greater at day 9 in IRF3KO mice compared with B6 mice...
June 23, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28651100/methodological-challenges-in-qualitative-content-analysis-a-discussion-paper
#7
Ulla H Graneheim, Britt-Marie Lindgren, Berit Lundman
This discussion paper is aimed to map content analysis in the qualitative paradigm and explore common methodological challenges. We discuss phenomenological descriptions of manifest content and hermeneutical interpretations of latent content. We demonstrate inductive, deductive, and abductive approaches to qualitative content analysis, and elaborate on the level of abstraction and degree of interpretation used in constructing categories, descriptive themes, and themes of meaning. With increased abstraction and interpretation comes an increased challenge to demonstrate the credibility and authenticity of the analysis...
June 17, 2017: Nurse Education Today
https://www.readbyqxmd.com/read/28651073/hemophilia-a-inhibitor-treatment-the-promise-of-engineered-t-cell-therapy
#8
REVIEW
Kalpana Parvathaneni, Maha Abdeladhim, Kathleen P Pratt, David W Scott
Hemophilia A is a bleeding disorder caused by mutations in the gene encoding factor VIII (FVIII), a cofactor protein that is essential for normal blood clotting. Approximately, 1 in 3 patients with severe hemophilia A produce neutralizing antibodies (inhibitors) that block its biologic function in the clotting cascade. Current efforts to eliminate inhibitors consist of repeated FVIII injections under what is termed an "ITI" protocol (Immune Tolerance Induction). However, this method is extremely costly and approximately 30% of patients undergoing ITI do not achieve peripheral tolerance...
June 9, 2017: Translational Research: the Journal of Laboratory and Clinical Medicine
https://www.readbyqxmd.com/read/28651008/production-and-purification-of-human-hsp90%C3%AE-in-escherichia-coli
#9
Martina Radli, Dmitry B Veprintsev, Stefan G D Rüdiger
The molecular chaperone Hsp90 is an essential member of the cellular proteostasis system. It plays an important role in the stabilisation and activation of a large number of client proteins and is involved in fatal disease processes, e.g. Alzheimer disease, cancer and cystic fibrosis. This makes Hsp90 a crucial protein to study. Mechanistic studies require large amounts of protein but the production and purification of recombinant human Hsp90 in Escherichia coli is challenging and laborious. Here we identified conditions that influence Hsp90 production, and optimised a fast and efficient purification protocol...
2017: PloS One
https://www.readbyqxmd.com/read/28650983/differential-induction-of-apoptosis-and-autophagy-by-pyrrolizidine-alkaloid-clivorine-in-human-hepatoma-huh-7-5-cells-and-its-toxic-implication
#10
Wenju Liu, Xu Li, Bo Zhou, Shoucai Fang, Wenzhe Ho, Hui Chen, Hao Liang, Li Ye, Jun Tang
Growing evidence suggests that the pyrrolizidine alkaloids (PAs)-induced hepatotoxicity is mediated by multiple cell death/defence modalities. However, the detailed mechanisms are still lacking. In this study, the hepatotoxic effects of four PAs including three retronecine-type ones (senecionine, seneciphylline and monocrotaline) and one otonecine-type (clivorine) on the proliferation of Huh-7.5 cells and the possible mechanisms were investigated. The results showed that all the PAs could inhibit cell proliferation and induce apoptosis in a concentration-dependent manner...
2017: PloS One
https://www.readbyqxmd.com/read/28650976/effect-of-praziquantel-on-the-differential-expression-of-mouse-hepatic-genes-and-parasite-atp-binding-cassette-transporter-gene-family-members-during-schistosoma-mansoni-infection
#11
Melissa C Sanchez, Katina V Krasnec, Amalia S Parra, Christian von Cabanlong, Geoffrey N Gobert, Boris Umylny, Pauline M Cupit, Charles Cunningham
Schistosomiasis is a chronic parasitic disease caused by sexually dimorphic blood flukes of the genus Schistosoma. Praziquantel (PZQ) is the only drug widely available to treat the disease but does not kill juvenile parasites. Here we report the use of next generation sequencing to study the transcriptional effect of PZQ on murine hepatic inflammatory, immune and fibrotic responses to Schistosoma mansoni worms and eggs. An initial T helper cell 1 (Th1) response is induced against schistosomes in mice treated with drug vehicle (Vh) around the time egg laying begins, followed by a T helper cell 2 (Th2) response and the induction of genes whose action leads to granuloma formation and fibrosis...
June 26, 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28650927/dexamethasone-prevents-lipopolysaccharide-induced-epithelial-barrier-dysfunction-in-rat-ileum
#12
Aline Barbosa Ribeiro, Humberto Giusti, Ana Paula Trevelin Souza, Celso Rodrigues Franci, Rafael Simone Saia
Inflammatory mediators have been postulated as elementary inducing factors to the disruption of the intestinal tight junctions (TJ) and consequently, gut permeability and bacterial translocation. Corticosteroids are considered the mainstay in the treatment of septic shock; however the impact of this therapy on the intestinal epithelial barrier dysfunction during septic shock remains unknown. Our aims were to demonstrate the role of low dexamethasone (DEX) doses in modulation of the inflammatory response, as well as the expression and the arrangement of TJ proteins in endotoxemic rats...
June 23, 2017: Shock
https://www.readbyqxmd.com/read/28650797/larp1-functions-as-a-molecular-switch-for-mtorc1-mediated-translation-of-an-essential-class-of-mrnas
#13
Sungki Hong, Mallory A Freeberg, Ting Han, Avani Kamath, Yao Yao, Tomoko Fukuda, Tsukasa Suzuki, John K Kim, Ken Inoki
The RNA binding protein, LARP1, has been proposed to function downstream of mTORC1 to regulate the translation of 5'TOP mRNAs such as those encoding ribosome proteins (RP). However, the roles of LARP1 in the translation of 5'TOP mRNAs are controversial and its regulatory roles in mTORC1-mediated translation remain unclear. Here we show that LARP1 is a direct substrate of mTORC1 and Akt/S6K1. Deep sequencing of LARP1-bound mRNAs reveal that non-phosphorylated LARP1 interacts with both 5' and 3'UTRs of RP mRNAs and inhibits their translation...
June 26, 2017: ELife
https://www.readbyqxmd.com/read/28650653/growth-and-metabolic-responses-of-rice-oryza-sativa-l-cultivated-in-phosphorus-deficient-soil-amended-with-tio2-nanoparticles
#14
Zahra Zahra, Naima Waseem, Rubab Zahra, Hwanhui Lee, Mohsin Ali Badshah, Arshad Mehmood, Hyung-Kyoon Choi, Muhammad Arshad
Plants have natural ability to withstand stress conditions through metabolic adjustments. The present study aimed at investigating effects of Titanium dioxide nanoparticles (TiO2 NPs) application (0, 25, 50, 150, 250, 500 and 750 mg kg-1) in phosphorus deficient soil in terms of growth responses, P contents and metabolic alterations in rice. TiO2 NPs application increased shoot length up to 14.5%. Phosphorus contents in rice roots, shoots, and grains were increased by 2.6-, 2.4-, and 1.3-fold, respectively at 750 mg kg-1 of TiO2 NPs...
June 26, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28650572/cloning-and-characterization-of-nitrate-reductase-gene-in-ulva-prolifera-ulvophyceae-chlorophyta
#15
Yang Guo, Hao Zhe Wang, Chun Hui Wu, Hui Hui Fu, Peng Jiang
Ulva spp. dominates green tides around the world, which are occurring at an accelerated rate. The competitive nitrogen assimilation efficiency in Ulva is suggested to result in ecological success against other seaweeds. However, molecular characterization of genes involved in nitrogen assimilation have not been conducted. Here, we describe the identification of the nitrate reductase (NR) gene from a green seaweed Ulva prolifera, an alga which is responsible for the world's largest green tide in the Yellow Sea...
June 26, 2017: Journal of Phycology
https://www.readbyqxmd.com/read/28650479/aml1-eto-requires-enhanced-c-d-box-snorna-rnp-formation-to-induce-self-renewal-and-leukaemia
#16
Fengbiao Zhou, Yi Liu, Christian Rohde, Cornelius Pauli, Dennis Gerloff, Marcel Köhn, Danny Misiak, Nicole Bäumer, Chunhong Cui, Stefanie Göllner, Thomas Oellerich, Hubert Serve, Maria-Paz Garcia-Cuellar, Robert Slany, Jaroslaw P Maciejewski, Bartlomiej Przychodzen, Barbara Seliger, Hans-Ulrich Klein, Christoph Bartenhagen, Wolfgang E Berdel, Martin Dugas, Makoto Mark Taketo, Daneyal Farouq, Schraga Schwartz, Aviv Regev, Josée Hébert, Guy Sauvageau, Caroline Pabst, Stefan Hüttelmaier, Carsten Müller-Tidow
Leukaemogenesis requires enhanced self-renewal, which is induced by oncogenes. The underlying molecular mechanisms remain incompletely understood. Here, we identified C/D box snoRNAs and rRNA 2'-O-methylation as critical determinants of leukaemic stem cell activity. Leukaemogenesis by AML1-ETO required expression of the groucho-related amino-terminal enhancer of split (AES). AES functioned by inducing snoRNA/RNP formation via interaction with the RNA helicase DDX21. Similarly, global loss of C/D box snoRNAs with concomitant loss of rRNA 2'-O-methylation resulted in decreased leukaemia self-renewal potential...
June 26, 2017: Nature Cell Biology
https://www.readbyqxmd.com/read/28650329/correlation-of-thyroid-antibodies-with-tsh-t3-and-t4-hormones-in-patients-diagnosed-with-autoimmune-thyroid-disorders
#17
Mohammed W Al-Rabia
The serum concentrations of anti-thyroid peroxidase (anti-TPO) and anti-thyroglobulin (anti-TG) antibodies are directly correlate in the induction and diagnosis of autoimmune thyroid disorders (AITDs). Therefore, the evaluation of serum anti-TPO and anti-TG antibodies in relation to thyroid function test parameters including thyroid-stimulating hormone (TSH), triiodothyronine (T3), and thyroxine (T4). This evaluation would be helpful in early diagnosis of abnormal thyroid function and associated autoimmune thyroid diseases...
March 2017: Pakistan Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28649990/a-pan-cancer-genome-wide-analysis-reveals-tumour-dependencies-by-induction-of-nonsense-mediated-decay
#18
Zhiyuan Hu, Christopher Yau, Ahmed Ashour Ahmed
Nonsense-mediated decay (NMD) eliminates transcripts with premature termination codons. Although NMD-induced loss-of-function has been shown to contribute to the genesis of particular cancers, its global functional consequence in tumours has not been characterized. Here we develop an algorithm to predict NMD and apply it on somatic mutations reported in The Cancer Genome Atlas. We identify more than 73 K mutations that are predicted to elicit NMD (NMD-elicit). NMD-elicit mutations in tumour suppressor genes (TSGs) are associated with significant reduction in gene expression...
June 26, 2017: Nature Communications
https://www.readbyqxmd.com/read/28649853/cationic-liposome-co-encapsulation-of-smac-mimetic-and-zvad-using-a-novel-lipid-bilayer-fusion-loaded-with-mlkl-pdna-for-tumor-inhibition-in-vivo
#19
Dan Sun, Linshu Zhao, Junzhong Lin, Yun Zhao, Yu Zheng
The increase in multidrug resistance among colon cancer cells presents a challenge for the development of effective therapies. Small-molecule analogs of second mitochondria-derived activator of caspase (SMAC) mimetic in association with mixed lineage kinase domain-like protein (MLKL)-pDNA and z-VAD-fmk have shown ideal antitumor effects in colon cancer cells in vitro via induction of RIP3-dependent necroptosis. To achieve synergistic antitumor effects in vivo, liposomes loaded with SMAC mimetic, MLKL-pDNA and z-VAD-fmk have been developed using novel lipid fusion methods to co-localize the molecules of interest within the tumor cells...
June 26, 2017: Journal of Drug Targeting
https://www.readbyqxmd.com/read/28649667/impact-of-protein-kinase-ck2-inhibitors-on-proliferation-and-differentiation-of-neural-stem-cells
#20
Melanie Bender, Lisa Schwind, David Grundmann, Monika Martin, Markus Klotz, Claudia Götz, Mathias Montenarh, Karl-Herbert Schäfer
BACKGROUND: Protein kinases play central roles in cell and tissue development. Protein kinase CK2, an ubiquitously expressed serine/threonine kinase has severe impacts on embryo- and spermatogenesis. Since its role in neurogenesis has so far only been investigated in very few studies, we analysed the role of CK2 in neural stem cells by using two specific inhibitors. METHODS: Neural stem cells were isolated from the subventricular zone of neonatal mice, using a neurosphere approach...
June 2017: Heliyon
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