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https://www.readbyqxmd.com/read/29458170/downregulation-of-metabotropic-glutamate-receptor-5-inhibits-hepatoma-development-in-a-neurotoxin-rotenone-induced-parkinson-s-disease-model
#1
Xiao Xu Bai, Li Gu, Hui Min Yang, Shao Song Xi, Ning Xia, Song Zhang, Hong Zhang
Clinical epidemiological studies have shown that there is a link between Parkinson's disease (PD) and cancer, but how PD regulates cancer development remains unknown. In our study, the effect of metabotropic glutamate receptor 5 (mGlu5 ) on hepatoma was explored in a rotenone-induced PD model both in vitro and in vivo. We found that conditioned media derived from MN9D dopaminergic neuronal cells by rotenone-induced toxicity inhibited the growth, migration, invasion and promoted apoptosis of Hepa1-6 cells, which corresponded with decreased expression of mGlu5 ...
February 16, 2018: Toxicology Letters
https://www.readbyqxmd.com/read/29458061/decreased-mcp-1-ccr2-axis-mediated-chemotactic-effect-of-conjunctival-fibroblasts-after-transdifferentiation-into-myofibroblasts
#2
Utako Tsutsumi-Kuroda, Toshihiro Inoue, Akiko Futakuchi, Kohei Shobayashi, Eri Takahashi, Sachi Kojima, Miyuki Inoue-Mochita, Tomokazu Fujimoto, Hidenobu Tanihara
The purpose of this study is to investigate the change in chemotactic effects of human conjunctival fibroblasts (HConFs) after transdifferentiation into myofibroblasts, and to explore related molecular mechanisms. HConFs were treated with 5 ng/mL transforming growth factor (TGF)-β2 for 48 h to induce transdifferentiation into myofibroblasts. The cytokine concentrations in the conditioned media of HConFs were measured by multiplex bead-based immunoassays. The Boyden chamber assay was used to assess the chemotactic effects using the monocyte cell line, THP-1 cells...
February 16, 2018: Experimental Eye Research
https://www.readbyqxmd.com/read/29458046/bmp-2-induces-angiogenesis-by-provoking-integrin-%C3%AE-6-expression-in-human-endothelial-progenitor-cells
#3
Wei-Cheng Chen, Ching-Hu Chung, Yung-Chang Lu, Min-Huan Wu, Po-Hsun Chou, Juei-Yu Yen, Yu-Wei Lai, Guo-Shou Wang, Shih-Chia Liu, Jen-Kun Cheng, Yih-Jer Wu, Hung-I Yeh, Li-Yu Wang, Shih-Wei Wang
Bone morphogenetic proteins-2 (BMP-2) is a multifunctional cytokine, capable of governing several cellular functions, including proliferation, motility, differentiation, and angiogenesis. Circulating endothelial progenitor cells (EPCs) have been shown to facilitate tissue repair, postnatal neovascularization, and tumor associated angiogenesis. Nevertheless, the impact of BMP-2 on angiogenesis of human EPCs has largely remained a mystery. In this study, we found that BMP-2 promoted cell migration and tube formation of EPCs in a concentration-dependent manner, indicating BMP-2 induced in vitro angiogenesis in human EPCs...
February 16, 2018: Biochemical Pharmacology
https://www.readbyqxmd.com/read/29458026/knockdown-of-fascin-1-expression-suppresses-cell-migration-and-invasion-of-non-small-cell-lung-cancer-by-regulating-the-mapk-pathway
#4
Da Zhao, Tao Zhang, Xiao-Ming Hou, Xiao-Ling Ling
Fascin-1 is a cytoskeletal protein and it can specifically bind to F-actin, it can be abnormally expressed in a variety of solid tumors. Fascin-1 was identified as a factor for poor prognosis in non-small cell lung cancer (NSCLC). However, the relevant molecular mechanisms are not yet fully understood. In this study, the fascin-1 knockdown cells were produced by lentivirus infection, and then cell proliferation, invasion and cell migration assay were used to investigate the role of fascin-1 in NSCLC cells. The MAPK pathway related proteins were determined by western blot...
February 16, 2018: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29458020/circrna-circ_0067934-promotes-tumor-growth-and-metastasis-in-hepatocellular-carcinoma-through-regulation-of-mir-1324-fzd5-wnt-%C3%AE-catenin-axis
#5
Qian Zhu, Guiyu Lu, Zihua Luo, Fenfang Gui, Jinghua Wu, Dongwei Zhang, Yong Ni
Recently, increasing evidences demonstrate that circular RNAs (circRNAs) exert very important functions in the progression of human cancers. However, the functions and molecular mechanism of circ_0067934 in hepatocellular carcinoma (HCC) are largely unknown. In the present study, we found that the expression of circ_0067934 was significantly upregulated in HCC tissues and cell lines compared to adjacent normal tissues. Furthermore, we showed that circ_0067934 knockdown remarkably suppressed the proliferation, migration and invasion of Hep3B and HuH7 cells while inducing their apoptosis...
February 16, 2018: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29458009/the-lim-only-protein-fhl2-supports-influenza-a-virus-induced-lung-inflammation-by-restricting-the-host-adaptive-immune-response
#6
Dörthe Masemann, Rafael Leite Dantas, Siarhei Sitnik, Tanja Schied, Carolin Nordhoff, Stephan Ludwig, Viktor Wixler
FHL2 is a multifunctional adaptor protein with fine-tuning adjustment properties. It acts as a regulator of signaling cascades but also as a cofactor of transcription and controls several anti-inflammatory immune responses. Recently, we described FHL2 as a novel regulator of influenza A virus propagation. We have shown that in vitro FHL2 restricts viral replication by accelerating the IRF-3-dependent transcription of the Ifnb1 gene. In this work, we unraveled an ambiguous role of FHL2 during influenza A virus infection in vivo...
February 16, 2018: American Journal of Pathology
https://www.readbyqxmd.com/read/29457966/combined-treatment-with-valproic-acid-and-5-aza-2-deoxycytidine-synergistically-inhibits-human-clear-cell-renal-cell-carcinoma-growth-and-migration
#7
Wenjin Xi, Xu Chen, Jinbo Sun, Wei Wang, Yi Huo, Guoxu Zheng, Jieheng Wu, Yufang Li, Angang Yang, Tao Wang
BACKGROUND Histone acetylation and DNA methylation are important mammalian epigenetic modifications that participate in the regulation of gene expression. Because dysregulation of histone deacetylase and DNA methyltransferases are hallmarks of malignancy, they have become promising therapeutic targets. In this study, we explored the anti-tumor activity of valproic acid (VPA), a histone deacetylase inhibitor (HDACi) and 5-Aza-2'-deoxycytidine (5-Aza), an inhibitor of DNA methyltransferases, on renal cell carcinoma (RCC) cell lines 786-O and 769-P...
February 19, 2018: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/29457907/deletion-of-adipose-triglyceride-lipase-links-triacylglycerol-accumulation-to-a-more-aggressive-phenotype-in-a549-lung-carcinoma-cells
#8
Tamara Tomin, Katarina Fritz, Juergen Gindlhuber, Linda Waldherr, Bettina Pucher, Gerhard G Thallinger, Daniel K Nomura, Matthias Schittmayer, Ruth Birner-Gruenberger
Adipose triglyceride lipase (ATGL) catalyzes the rate limiting step in triacylglycerol breakdown in adipocytes but is expressed in most tissues. The enzyme was shown to be lost in many human tumors, and its loss may play a role in early stages of cancer development. Here we report that loss of ATGL supports a more aggressive cancer phenotype in a model system where ATGL was deleted in A549 lung cancer cells by CRISPR/Cas9. We observed that loss of ATGL led to triacylglycerol accumulation in lipid droplets, and higher levels of cellular phospholipid and bioactive lipid species (lyso- and ether-phospholipids)...
February 19, 2018: Journal of Proteome Research
https://www.readbyqxmd.com/read/29457830/mirna-124-3p-neuropilin-1-nrp-1-axis-plays-an-important-role-in-mediating-glioblastoma-growth-and-angiogenesis
#9
Guilong Zhang, Lukui Chen, Ahsan Ali Khan, Bingqian Li, Bin Gu, Fan Lin, Xinhui Su, Jianghua Yan
Glioblastoma Multiforme (GBM) is the most lethal brain malignancy which involves multi-gene abnormality. Unfortunately, effective therapy against GBM is still lacking. Previously, we found that NRP-1 and its downstream NRP-1/GIPC1 pathway played an important role in GBM. In this study, we further investigated the upstream signaling of NRP-1 to understand how it is regulated. Firstly, we identified that hsa-miR-124-3p was miRNA differentially expressed in GBM and in normal brain tissues by high-throughput sequencing...
February 19, 2018: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/29457531/shedding-new-light-on-rhoa-signalling-as-a-drug-target-in-vivo-using-a-novel-rhoa-fret-biosensor-mouse
#10
Max Nobis, David Herrmann, Sean C Warren, Douglas Strathdee, Thomas R Cox, Kurt I Anderson, Paul Timpson
The small GTPase RhoA is a master regulator of signalling in cell-extracellular matrix interactions. RhoA signalling is critical to many cellular processes including migration, mechanotransduction, and is often disrupted in carcinogenesis. Investigating RhoA activity in a native tissue environment is challenging using conventional biochemical methods; we therefore developed a RhoA-FRET biosensor mouse, employing the adaptable nature of intravital imaging to a variety of settings. Mechnotransduction was explored in the context of osteocyte processes embedded in the calvaria responding in a directional manner to compression stress...
February 18, 2018: Small GTPases
https://www.readbyqxmd.com/read/29456832/interleukin-25-and-eosinophils-progenitor-cell-mobilization-in-allergic-asthma
#11
Wei Tang, Steven G Smith, Wei Du, Akash Gugilla, Juan Du, John Paul Oliveria, Karen Howie, Brittany M Salter, Gail M Gauvreau, Paul M O'Byrne, Roma Sehmi
Background: Eosinophil-lineage committed progenitor cells (EoP) migrate from the bone marrow and differentiate locally to provide an ongoing source of mature eosinophils in asthmatic inflammatory responses in the airways. Sputum levels of EoP are increased in asthmatics compared to normal controls suggesting an exaggerated eosinophilopoietic environment in the airways. Understanding what factors promote EoP traffic to the airways is important to understand the diathesis of asthma pathology...
2018: Clinical and Translational Allergy
https://www.readbyqxmd.com/read/29456830/hypoxia-induced-the-upregulation-of-stromal-cell-derived-factor-1-in-fibroblast-like-synoviocytes-contributes-to-migration-of-monocytes-into-synovium-tissue-in-rheumatoid-arthritis
#12
Ru Yang, Yanhua Yao, Panjun Wang
Background: Rheumatoid arthritis (RA) is an auto-immune disease characterized by chronic inflammation of multiple joints. Hypoxia is a constant feature of synovial microenvironment in RA. Fibroblast-like synoviocytes (FLSs), which are potent effector cells in RA. It has been reported that large numbers of monocytes are recruited to the synovium and play an important role in synovial inflammation and tissue destruction in RA. However, the mechanism is still unclear. The aim of this study is to explore the role of hypoxia microenvironment on the recruitment of monocytes and then promote the development of RA...
2018: Cell & Bioscience
https://www.readbyqxmd.com/read/29456754/management-of-osteonecrosis-of-the-femoral-head-in-children-with-sickle-cell-disease-results-of-conservative-and-operative-treatments-at-skeletal-maturity
#13
C Mallet, A Abitan, C Vidal, L Holvoet, K Mazda, A-L Simon, B Ilharreborde
Purpose: Sickle cell disease (SCD) is the most common cause of femoral head osteonecrosis (ONFH) during childhood with an overall prevalence of 10%. In children, spontaneous revascularization can occur, as in Legg-Calve-Perthes disease. Consequently, the aim of treatment is to restore proper hip containment to prevent joint arthritis. This is the first study reporting long-term results at skeletal maturity of non-operative and surgical treatments for ONFH in SCD children. Methods: All children with ONFH due to SCD were retrospectively reviewed...
February 1, 2018: Journal of Children's Orthopaedics
https://www.readbyqxmd.com/read/29456733/fbxw7-regulates-renal-cell-carcinoma-migration-and-invasion-via-suppression-of-the-epithelial-mesenchymal-transition
#14
Hongchao He, Jun Dai, Zhaoping Xu, Wei He, Xiaojing Wang, Yu Zhu, Haofei Wang
F-box and WD repeat domain containing 7 (Fbxw7) is an F-box protein that belongs to the SKP1-CUL1-F-box protein E3 ligase complex and is responsible for transferring the ubiquitin molecule to the substrate, which results in its recognition and subsequent degradation by proteasomes. Furthermore, it can identify a network of signaling proteins that function in cell growth, diversion and apoptosis. In the present study, Fbxw7 was downregulated in renal cell carcinoma (RCC) tissues compared with the adjacent non-tumor tissues and its expression was significantly associated with the tumor-node-metastasis stage, lymph node metastasis and distant metastasis in patients with RCC...
March 2018: Oncology Letters
https://www.readbyqxmd.com/read/29456724/long-noncoding-rna-blacat1-promotes-cell-proliferation-and-invasion-in-human-cervical-cancer
#15
Dan Shan, Yumin Shang, Tongxiu Hu
Cervical cancer is one of the leading causes of mortality in females worldwide. Predisposition to distant metastasis has reduced the prognosis of this malignancy, thus the identification of a novel agent for metastatic cervical cancer is required. Long noncoding RNAs (LncRNAs) have been reported to serve significant roles in human tumorigenesis. The present study aimed to investigate the effects of a newly discovered LncRNA bladder cancer associated transcript 1 (non-protein coding) (BLACAT1) on cell proliferation and metastasis in cervical cancer...
March 2018: Oncology Letters
https://www.readbyqxmd.com/read/29456723/mir-96-promotes-breast-cancer-metastasis-by-suppressing-mtss1
#16
Wei Xie, Feng Sun, Lin Chen, Xinjian Cao
Novel, non-invasive biomarkers with high sensitivity and specificity are critical for breast cancer treatment, and prognosis. MicroRNA (miR)-96 has been demonstrated to be highly expressed in several solid malignancies, including breast cancer. However, its expression and function in the metastasis and prognosis of breast cancer have not been fully explored, and its regulation mechanisms remain unclear. In the present study, the serum miR-96 expression in healthy controls, benign and malignant breast cancer types was compared by using reverse transcription-quantitative polymerase chain reaction...
March 2018: Oncology Letters
https://www.readbyqxmd.com/read/29456722/fucosterol-exhibits-selective-antitumor-anticancer-activity-against-hela-human-cervical-cell-line-by-inducing-mitochondrial-mediated-apoptosis-cell-cycle-migration-inhibition-and-downregulation-of-m-tor-pi3k-akt-signalling-pathway
#17
Hongye Jiang, Jie Li, Aiyue Chen, Yinguang Li, Meng Xia, Peng Guo, Shuzhong Yao, Shuqin Chen
Cervical cancer greatly contributes to cancer-associated mortalities worldwide. The growing incidence of cervical cancer is of primary concern, and has signaled the need for multiple treatment options. Despite preliminary responses to chemotherapy and/or surgical interventions, the tumors consistently relapse. Previously, natural products gained attention for their diverse bioactivities, which include however are not limited to, neuroprotective, antimicrobial and anticancer effects. The present study evaluated the anticancer activity of fucosterol against a panel of human cancer cell lines...
March 2018: Oncology Letters
https://www.readbyqxmd.com/read/29456712/microrna-144-functions-as-a-tumor-suppressor-in-gastric-cancer-by-targeting-cyclooxygenase-2
#18
Qiang Yao, Anxin Gu, Zhuozhong Wang, Yingwei Xue
Gastric cancer (GC) poses a serious public health threat and the 5-year survival rate of patients with GC is low. MicroRNAs (miRNAs/miRs) may serve oncogenic or tumor suppressor functions during tumorigenesis by regulating cell proliferation, apoptosis, migration and invasion and it has been demonstrated that they may be dysregulated in various types of cancer. The present study demonstrated that miR-144 and GATA4 were downregulated in GC tissues and cell lines and suggested that this may be due to hypermethylation...
March 2018: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/29456688/overexpression-of-microrna-506-3p-aggravates-the-injury-of-vascular-endothelial-cells-in-patients-with-hypertension-by-downregulating-beclin1-expression
#19
Fanfan Yi, Yugui Hao, Xiaoyi Chong, Wei Zhong
The aim of the present study was to measure the expression of microRNA (miRNA)-506-3p in the peripheral blood of patients with hypertension and to determine the biological functions and mechanisms of action of miR-506-3p. A total of 61 patients with primary hypertension were included in the present study. Peripheral blood was collected from all patients, as well as 31 healthy subjects who were included in a control group. The expression of miR-506-3p in peripheral blood was determined by reverse transcription-quantitative polymerase chain reaction...
March 2018: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/29456686/biochanin-a-extirpates-the-epithelial-mesenchymal-transition-in-a-human-lung-cancer
#20
Yan Wang, Jiao-Jiao Li, Yu-Min Chen
The natural iso-flavonoid, biochanin A, is categorized as a phytoestrogen and has been demonstrated to exhibit various pharmacological properties. However, no effects of biochanin A on lung cancer cell lines have been reported. Therefore, the present study aimed to demonstrate whether biochanin A has the ability to reduce lung cancer triggered pro-inflammatory effects from leukemic monocytes. We studied the release of cytokines, tumor necrosis factor (TNF)-α and interleukin (IL)-6, from the cocultured cells of A427:AML-193...
March 2018: Experimental and Therapeutic Medicine
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