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https://www.readbyqxmd.com/read/29156835/indonesian-herbal-medicine-prevents-hypertension-induced-left-ventricular-hypertrophy-by-diminishing-nadph-oxidase-dependent-oxidative-stress
#1
Erna Sulistyowati, Jong-Hau Hsu, Yuan-Bin Cheng, Fang-Rong Chang, Ying-Fu Chen, Jwu-Lai Yeh
Indonesian herbal medicine Centella asiatica, Justicia gendarussa and Imperata cylindrica decoction (CJID) are known to be efficacious for hypertension. Oxidative stress plays an important role in hypertension-induced left ventricular hypertrophy (H-LVH). This study evaluated whether CJID inhibit cardiac remodeling in spontaneously hypertensive rats (SHRs) through mechanism of oxidative stress-related cardiac-NADPH oxidase (NOXs) pathway: NOX1, NOX2 and NOX4. Forty-weeks-old SHRs and normotensive-WKY rats, were both randomly divided into 2 groups: CJID and control...
October 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/29156834/oncolytic-reovirus-inhibits-angiogenesis-through-induction-of-cxcl10-ip-10-and-abrogation-of-hif-activity-in-soft-tissue-sarcomas
#2
Jennifer S Carew, Claudia M Espitia, Weiguo Zhao, Monica M Mita, Alain C Mita, Steffan T Nawrocki
The tumor-selective viral replication capacity and pro-apoptotic effects of oncolytic reovirus have been reported to be dependent on the presence of an activated RAS pathway in several solid tumor types. However, the mechanisms of selective anticancer efficacy of the reovirus-based formulation for cancer therapy (Reolysin, pelareorep) have not been rigorously studied in soft tissue sarcomas (STS). Here we report that Reolysin triggered a striking induction of the anti-angiogenic chemokine interferon-γ-inducible protein 10 (IP-10)/CXCL10 (CXC chemokine ligand 10) in both wild type and RAS mutant STS cells...
October 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/29156828/the-%C3%AE-glucan-from-lentinus-edodes-suppresses-cell-proliferation-and-promotes-apoptosis-in-estrogen-receptor-positive-breast-cancers
#3
Hui Xu, Siwei Zou, Xiaojuan Xu
Breast cancer is now the most common cancer in worldwide women, and novel interventions are needed to overcome the resistance occurring in the estrogen-targeted endocrine therapy. Herein, we demonstrate that the β-glucan from Lentinus edodes (LNT) exhibited a profound inhibition ratio of ∼53% against estrogen receptor positive (ER+) MCF-7 tumor growth in nude mice similar to the positive control of cisplatin. Immunohistochemistry images showed that LNT evidently suppressed cell proliferation and promoted apoptosis in MCF-7 tumor tissues...
October 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/29156827/hepatitis-c-virus-core-protein-potentiates-proangiogenic-activity-of-hepatocellular-carcinoma-cells
#4
Yu-Yun Shao, Min-Shu Hsieh, Han-Yu Wang, Yong-Shi Li, Hang Lin, Hung-Wei Hsu, Chung-Yi Huang, Chih-Hung Hsu, Ann-Lii Cheng
Increased angiogenic activity has been demonstrated in hepatitis C virus (HCV)-related hepatocellular carcinoma (HCC), but the mechanism was unclear. To study the role of HCV core protein, we used tube formation and Matrigel plug assays to assess the proangiogenic activity of an HCC cell line, HuH7, and 2 of its stable clones-HuH7-core-high and HuH7-core-low, with high and low HCV core protein expression, respectively. In both assays, HuH7-core-high and HuH7-core-low cells dose-dependently induced stronger angiogenesis than control cells...
October 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/29156823/differential-activation-of-fyn-kinase-distinguishes-saturated-and-unsaturated-fats-in-mouse-macrophages
#5
Elena Tarabra, Ting-Wen An Lee, Victor A Zammit, Manu Vatish, Eijiro Yamada, Jeffrey E Pessin, Claire C Bastie
Diet-induced obesity is associated with increased adipose tissue activated macrophages. Yet, how macrophages integrate fatty acid (FA) signals remains unclear. We previously demonstrated that Fyn deficiency (fynKO) protects against high fat diet-induced adipose tissue macrophage accumulation. Herein, we show that inflammatory markers and reactive oxygen species are not induced in fynKO bone marrow-derived macrophages exposed to the saturated FA palmitate, suggesting that Fyn regulates macrophage function in response to FA signals...
October 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/29156815/the-effect-of-aspirin-on-circulating-netrin-1-levels-in-humans-is-dependent-on-the-inflammatory-status-of-the-vascular-endothelium
#6
Kerry Layne, Timothy Goodman, Albert Ferro, Gabriella Passacquale
In atherosclerotic animal models, the cyclo-oxygenase (COX)-inhibitor aspirin counteracts downregulation of endothelial-derived netrin-1, thus reducing arterial inflammation. We here explored the effect of aspirin on netrin-1 in healthy subjects undergoing influenza immunisation, which is an established experimental model of inflammation-related endothelial dysfunction. Our data showed that netrin-1 undergoes reduction (-29.25% from baseline; p=0.0017) in the presence of endothelial activation (VCAM-1 rose by 9...
October 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/29156799/asiatic-acid-protects-against-hepatic-ischemia-reperfusion-injury-by-inactivation-of-kupffer-cells-via-ppar%C3%AE-nlrp3-inflammasome-signaling-pathway
#7
Ying Xu, Jun Yao, Chen Zou, Heng Zhang, Shouliang Zhang, Jun Liu, Gui Ma, Pengcheng Jiang, Wenbo Zhang
Hepatic ischemia/reperfusion (I/R) contributes to major complications in clinical practice affecting perioperative morbidity and mortality. Recent evidence suggests the key role of nucleotide-binding oligomerization domain-like receptor (NLR) family pyrin domain-containing 3 (NLRP3) inflammaosme activation on the pathogenesis of I/R injury. Asiatic acid (AA) is a pentacyclic triterpene derivative presented with versatile activities, including antioxidant, anti-inflammation and hepatoprotective effects. This study was designed to determine whether AA had potential hepatoprotective benefits against hepatic I/R injury, as well as to unveil the underlying mechanisms involved in the putative effects...
October 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/29156794/salen-mn-compounds-induces-cell-apoptosis-in-human-prostate-cancer-cells-through-promoting-ampk-activity-and-cell-autophagy
#8
Xiaoshuang Tang, Jing Jia, Feng Li, Wei Liu, Chao Yang, Bin Jin, Qi Shi, Xinyang Wang, Dalin He, Peng Guo
Currently only docetaxel has been approved to be used in the chemotherapy of prostate cancer and new drugs are urgent need. Salen-Mn is a novel type of synthetic reagent bionic and exerts remarkable anticancer activities. However, the effect of Salen-Mn on human prostate cancer has not been elucidated yet. In this study, we found that treatment of PC-3 and DU145 human prostate cancer cells with Salen-Mn inhibited cell growth in dose and time dependent manner. Moreover, Salen-Mn induced cell apoptosis, and increased the expression of apoptotic proteins, such as cleaved caspase-3, cleaved PARP, and Bax, in PC-3 and DU145 prostate cancer cells...
October 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/29156793/methylation-of-microrna-129-5p-modulates-nucleus-pulposus-cell-autophagy-by-targeting-beclin-1-in-intervertebral-disc-degeneration
#9
Kangcheng Zhao, Yukun Zhang, Liang Kang, Yu Song, Kun Wang, Shuai Li, Xinghuo Wu, Wenbin Hua, Zengwu Shao, Shuhua Yang, Cao Yang
MicroRNAs play an important role in the etiology and progression of many diseases, including intervertebral disc degeneration (IVDD). The miRNA miR-129-5P regulates autophagy in various cancers, but its role in human nucleus pulposus (NP) cells is unclear. The present study investigated whether miR-129-5p regulates the expression of Beclin-1 which is known to induce autophagy in NP cells by evaluating their levels in normal and degenerative disc tissues and human NP cells transfected with miR-129-5P mimic or inhibitor by quantitative real-time (qRT-)PCR, western blotting, flow cytometry, and immunofluorescence analysis...
October 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/29156783/isolation-of-circulating-tumor-cells-from-pancreatic-cancer-by-automated-filtration
#10
Nora Brychta, Michael Drosch, Christiane Driemel, Johannes C Fischer, Rui P Neves, Irene Esposito, Wolfram Knoefel, Birte Möhlendick, Claudia Hille, Antje Stresemann, Thomas Krahn, Matthias U Kassack, Nikolas H Stoecklein, Oliver von Ahsen
It is now widely recognized that the isolation of circulating tumor cells based on cell surface markers might be hindered by variability in their protein expression. Especially in pancreatic cancer, isolation based only on EpCAM expression has produced very diverse results. Methods that are independent of surface markers and therefore independent of phenotypical changes in the circulating cells might increase CTC recovery also in pancreatic cancer. We compared an EpCAM-dependent (IsoFlux) and a size-dependent (automated Siemens Healthineers filtration device) isolation method for the enrichment of pancreatic cancer CTCs...
October 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/29156781/toxoplasma-gondii-clp-family-protein-tgclpb1-plays-a-crucial-role-in-thermotolerance
#11
Shinuo Cao, Nali Du, Heming Chen, Yu Pang, Zhaoxia Zhang, Jun Zheng, Honglin Jia
Caseinolytic peptidase B (ClpB) plays a pivotal role in suppressing and reversing protein aggregation. Toxoplasma gondii is an intracellular parasitic protozoan that infects a wide variety of mammals and birds and therefore is exposed to a broad range of living condition. We screened ToxoDB (http://ToxoDB.org) and identified 10 putative T. gondii genes encoding members of the Clp superfamily of caseinolytic proteases and chaperones. Of these, we focused on characterizing the Class I ATP-dependent molecular chaperones TgClpB1, TgClpB2, and TgClpB3...
October 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/29156780/baicalein-inhibits-progression-of-osteosarcoma-cells-through-inactivation-of-the-wnt-%C3%AE-catenin-signaling-pathway
#12
Guo Dai, Di Zheng, Qianliang Wang, Jian Yang, Gaiwei Liu, Qi Song, Xiangran Sun, Chunjie Tao, Qingzhu Hu, Tian Gao, Ling Yu, Weichun Guo
Osteosarcoma is a very common type of malignant bone tumor in children and young adults and aberrant activation of Wnt/β-catenin signaling pathway has been discovered in osteosarcoma. The traditional Chinese medicine baicalein was proved to have anti-proliferative and anti-metastatic properties in osteosarcoma, but the mechanism remained poorly understood. In the present study, we assessed the effects of baicalein on osteosarcoma and detected the potential molecular mechanism. We found that baicalein significantly suppressed the proliferation of osteosarcoma cells in a concentration- and time-dependent manner...
October 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/29156777/patients-with-nsclc-may-display-a-low-ratio-of-p-t790m-vs-activating-egfr-mutations-in-plasma-at-disease-progression-implications-for-personalised-treatment
#13
Marzia Del Re, Paola Bordi, Iacopo Petrini, Eleonora Rofi, Francesca Mazzoni, Lorenzo Belluomini, Enrico Vasile, Giuliana Restante, Francesco Di Costanzo, Alfredo Falcone, Antonio Frassoldati, Ron H N van Schaik, Christi M J Steendam, Antonio Chella, Marcello Tiseo, Riccardo Morganti, Romano Danesi
Introduction: NSCLC harboring activating mutations of EGFR is highly sensitive to first-line EGFR-tyrosine kinase inhibitors (TKIs), but drug resistance depending on the EGFR mutation p.T790M will occur in about 50-60% of patients. Detailed information on the amount of p.T790M plasmatic level associated with resistance to EGFR-TKIs and guidance to treatment with p.T790M-effective TKI depending on these levels, is lacking. Methods: This study enrolled p.T790M-positive patients (n=49) affected by EGFR-mutated NSCLC at progression to first-line EGFR-TKIs and, in selected cases (n=5), after second-line treatment with osimertinib...
October 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/29156775/monophosphoryl-lipid-a-attenuates-radiation-injury-through-tlr4-activation
#14
Jiaming Guo, Yuanyuan Chen, Xiao Lei, Yang Xu, Zhe Liu, Jianming Cai, Fu Gao, Yanyong Yang
Ionizing radiation causes severe damage to human body, and normal tissue toxicity in cancer radiotherapy also limits its further application. It is urgently required to develop safe and effective radioprotector. Our previous study has shown that toll like receptor 4 (TLR4) was dispensable for basal radiation resistance. However, severe toxicity of its traditional agonist lipopolysaccharide limits the clinical application. In present study, we demonstrated that monophosphoryl lipid A (MPLA), a potent TLR4 agonist with low toxicity, effectively attenuated radiation injury on in vitro and in vivo...
October 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/29156772/stat3-and-stat5a-are-potential-therapeutic-targets-in-castration-resistant-prostate-cancer
#15
Sambit K Mohanty, Kader Yagiz, Dinesh Pradhan, Daniel J Luthringer, Mahul B Amin, Serhan Alkan, Bekir Cinar
Mechanisms of castration-resistant prostate cancer (CRPC) are not well understood, thus hindering rational-based drug design. Activation of STAT3/5A, key components of the JAK/STAT pathway, is implicated in aggressive PC, yet their clinical relevance in CRPC remains elusive. Here, we evaluated the possible role of STAT3/5A in CRPC using immunological, quantitative mRNA expression profiling, and pharmacological methods. We observed a strong nuclear immunoreactivity for STAT3 and STAT5A in 93% (n=14/15) and 80% (n=12/15) of CRPC cases, respectively, compared with benign prostatic hyperplasia (BPH)...
October 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/29156763/elas1-induces-apoptotic-death-in-adenocarcinoma-du145-and-squamous-cell-carcinoma-sas-cancer-cells-but-not-in-normal-kd-cells
#16
Toshihiro Uchihashi, Kaori Ota, Yusuke Yabuno, Shouichi Ohno, Kohshiro Fukushima, Yoko Naito, Mikihiko Kogo, Norikazu Yabuta, Hiroshi Nojima
We previously reported that an ELAS1 peptide containing 29 amino acids induces apoptotic death in U2OS human osteosarcoma cells following DNA double-strand break insults. Here, we show that ELAS1 also caused apoptosis in prostate adenocarcinoma DU145 cells and tongue squamous-cell carcinoma SAS cells. ELAS1 appears to be safe because it induced apoptosis only in cancer cells, not in normal KD cells. Because the effect of ELAS1 is dependent on increased stability of p53 and enhanced phosphorylation of p53-S46, we exogenously expressed wild-type p53 protein to fully promote ELAS1-mediated induction of apoptosis in SAS cells...
October 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/29156762/glutaminase-inhibition-in-multiple-myeloma-induces-apoptosis-via-myc-degradation
#17
Madlen Effenberger, Kathryn S Bommert, Viktoria Kunz, Jessica Kruk, Ellen Leich, Martina Rudelius, Ralf Bargou, Kurt Bommert
Multiple Myeloma (MM) is an incurable hematological malignancy affecting millions of people worldwide. As in all tumor cells both glucose and more recently glutamine have been identified as important for MM cellular metabolism, however there is some dispute as to the role of glutamine in MM cell survival. Here we show that the small molecule inhibitor compound 968 effectively inhibits glutaminase and that this inhibition induces apoptosis in both human multiple myeloma cell lines (HMCLs) and primary patient material...
October 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/29156756/mir-221-regulated-kit-level-by-wild-type-or-leukemia-mutant-runx1-a-determinant-of-single-myeloblast-fate-decisions-that-collectively-drives-or-hinders-granulopoiesis
#18
Stefano Rossetti, Michael J Anauo, Nicoletta Sacchi
RUNX1, a master transcription factor of hematopoiesis, was shown to orchestrate both cell proliferation and differentiation during granulopoiesis by regulating microRNAs (miRs). In this study, taking advantage of the miR-ON reporter system, we monitored first, how the granulocyte colony stimulation factor (GCSF) temporally modulates the concomitant level variation of miR-221 and one of its prototypic targets, the stem cell factor receptor KIT, in single 32D(miR-ON-221) myeloblasts expressing wild type RUNX1...
October 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/29156755/escherichia-coli-nissle-1917-engineered-to-express-tum-5-can-restrain-murine-melanoma-growth
#19
Lian He, Huijun Yang, Fei Liu, Yiyan Chen, Sijia Tang, Wei Ji, Jianli Tang, Zhudong Liu, Yunjun Sun, Shengbiao Hu, Youming Zhang, Xiong Liu, Weitao Huang, Xuezhi Ding, Liqiu Xia
Tumor growth and metastasis depend on angiogenesis. Thus, inhibiting tumor angiogenesis has become promising cancer therapeutic strategy in recent years. Tumstatin is a more powerful angiogenesis inhibitor than endostatin. Anti-angiogenic active fragment encoding amino acids 45-132 (Tum-5) of tumstatin was subcloned into four different inducible expression vectors and successfully solubly expressed in Escherichia coli BL21 (DE3) in this study. Subsequently, an anaerobic inducible expression vector was constructed under Vitreoscilla hemoglobin gene promoter Pvhb in E...
October 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/29156747/lethality-of-inappropriate-plasma-exposure-on-chicken-embryonic-development
#20
Jiao Jiao Zhang, Jin Oh Jo, Do Luong Huynh, Mrinmoy Ghosh, Nameun Kim, Sang Baek Lee, Hak Kyo Lee, Young Sun Mok, Taeho Kwon, Dong Kee Jeong
In this study, we examined the effects of non-thermal dielectric barrier discharge plasma on embryonic development in chicken eggs in order to determine the optimal level of plasma exposure for the promotion of embryonic growth. We exposed developing chicken embryos at either Hamburger-Hamilton (HH) stage 04 or HH 20 to plasma at voltages of 11.7 kV to 27.6 kV. Our results show exposure at 11.7 kV for 1 min promoted chicken embryonic development, but exposure to more duration and intensity of plasma resulted in dose-dependent embryonic death and HH 20 stage embryos survive longer than those at stage HH 04...
October 17, 2017: Oncotarget
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