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https://www.readbyqxmd.com/read/29050278/identification-of-core-genes-and-outcome-in-gastric-cancer-using-bioinformatics-analysis
#1
Chenhua Sun, Qi Yuan, Dongdong Wu, Xiaohu Meng, Baolin Wang
Gastric cancer (GC) is a common malignant neoplasm of gastrointestinal tract. We chose gene expression profile of GSE54129 from GEO database aiming to find key genes during the occurrence and development of GC. 132 samples, including 111 cancer and 21 normal gastric mucosa epitheliums, were included in this analysis. Differentially expressed genes (DEGs) between GC patients and health people were picked out using GEO2R tool, then we performed gene ontology (GO) analysis and Kyoto Encyclopedia of Gene and Genome (KEGG) pathway analysis using The Database for Annotation, Visualization and Integrated Discovery (DAVID)...
September 19, 2017: Oncotarget
https://www.readbyqxmd.com/read/29049922/effect-of-co-culture-canine-cumulus-and-oviduct-cells-with-porcine-oocytes-during-maturation-and-subsequent-embryo-development-of-parthenotes-in%C3%A2-vitro
#2
Seok Hee Lee, Hyun Ju Oh, Min Jung Kim, Geon A Kim, Yoo Bin Choi, Young Kwang Jo, Erif Maha Nugraha Setyawan, Byeong Chun Lee
In the estrus stage, canine oocytes are surrounded by cumulus cells and undergo maturation in the oviduct for 2-3 days after ovulation. We hypothesized that canine oviduct cells (cOC) and canine cumulus cells (cCC) during this stage might affect the maturation of oocytes and thereby improve subsequent embryo development. Therefore, the objective of this study was to compare the effects of a cOC and cCC co-culture on oocyte in vitro maturation (IVM) and subsequent embryo development, and to analyze the gene expressions in a molecular fashion what co-culture actually gives the specific pathways in which the co-culture cells act to improve maturation and embryo development...
October 3, 2017: Theriogenology
https://www.readbyqxmd.com/read/29049729/myocilin-regulates-metalloprotease-2-activity-through-interaction-with-timp3
#3
Myung Kuk Joe, Raquel L Lieberman, Naoki Nakaya, Stanislav I Tomarev
Purpose: To elucidate functions of wild-type myocilin, a secreted glycoprotein associated with glaucoma. Methods: Lysates of mouse eyes were used for immunoprecipitation with affinity-purified antibodies against mouse myocilin. Shotgun proteomic analysis was used for the identification of proteins interacting with myocilin. Colocalization of myocilin and tissue inhibitor of metalloproteinases 3 (TIMP3) in different eye structures was investigated by a multiplex fluorescent in situ hybridization and immunofluorescent labeling with subsequent confocal microscopy...
October 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/29047110/cytoskeleton-and-ecm-tumor-mutant-peptides-increased-protease-sensitivities-and-potential-consequences-for-the-hla-class-i-mutant-epitope-reservoir
#4
Blake M Callahan, Jay S Patel, Timothy J Fawcett, George Blanck
Cytoskeleton and extracellular matrix-related proteins (CECMPs) represent the most common class of cancer mutants, owing to the large size of their coding regions and the randomness of mutagenesis. We used a bioinformatics approach to assess the impact of amino acid (AA) substitutions on the sensitivity of CECMPs to proteases relevant to melanoma; and on the binding affinities for HLA class I. CECMP peptides with AA substitutions overwhelmingly reflect increased sensitivity to proteases implicated in melanoma development (MME, CTSS, MMP2, CTSD, CTSL) in comparison to the wild type peptide sequences...
October 19, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/29044946/aquaporin-1-inhibition-reduces-metastatic-formation-in-a-mouse-model-of-melanoma
#5
Laura Simone, Concetta Domenica Gargano, Francesco Pisani, Antonio Cibelli, Maria Grazia Mola, Antonio Frigeri, Maria Svelto, Grazia Paola Nicchia
Aquaporin-1 (AQP1) is a proangiogenic water channel protein promoting endothelial cell migration. We previously reported that AQP1 silencing by RNA interference reduces angiogenesis-dependent primary tumour growth in a mouse model of melanoma. In this study, we tested the hypothesis that AQP1 inhibition also affects animal survival and lung nodule formation. Melanoma was induced by injecting B16F10 cells into the back of C57BL6J mice. Intratumoural injection of AQP1 siRNA and CTRL siRNA was performed 10 days after tumour cell implantation...
October 17, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/29041886/-polymorphisms-in-genes-of-cytokines-and-matrix-metalloproteinases-associated-with-ischemic-heart-disease-in-patients-with-type-2-diabetes
#6
V V Klimontov, V A Shevchenko, M D Bulumbaeva, F V Prokof 'ev, I V Konenkov
OBJECTIVE: To examine associations between ischemic heart disease (IHD) and polymorphisms in cytokine genes (IL-1B, IL-4, IL-6, IL-10, TNFA, VEGF) and matrix metalloproteinase genes (MMP2, MMP3, MMP9) in patients with type 2 diabetes. MATERIAL AND METHODS: We studied 232 Caucasian diabetic subjects (33 men and 199 women aged 50-70 years). In 93 patients IHD was verified by treadmill test and/or coronary angiography (86 subjects with stable angina, 19 with previous myocardial infarction)...
August 2017: Kardiologiia
https://www.readbyqxmd.com/read/29040383/beyond-the-matrix-mmp2-as-critical-regulator-of-inflammation-mediated-vascular-dysfunction
#7
Saskia C A de Jager, Imo E Hoefer
No abstract text is available yet for this article.
October 13, 2017: Cardiovascular Research
https://www.readbyqxmd.com/read/29039472/e2f1-silencing-inhibits-migration-and-invasion-of-osteosarcoma-cells-via-regulating-ddr1-expression
#8
Zhaofeng Wang, Xianjie Sun, Yi Bao, Juanfen Mo, Hengchao Du, Jichao Hu, Xingen Zhang
In the present study, knockdown of E2F1 impaired the migration and invasion of osteosarcoma cells. Further analysis showed that E2F1 knockdown decreased the expression of discoidin domain receptor 1 (DDR1) which plays a crucial role in many fundamental processes such as cell differentiation, adhesion, migration and invasion. Luciferase and ChIP assays confirmed that E2F1 silencing attenuated the expression of DDR1 through disrupting E2F1-mediated transcription of DDR1 in osteosarcoma cells. Similarly with the effect of E2F1 silencing, DDR1 knockdown weakened the migratory and invasive capabilities of osteosarcoma cells; while overexpression of DDR1 resulted in a significant increase of cell motility and invasiveness, even after knocking down E2F1...
October 16, 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/29038881/downregulated-sox4-expression-suppresses-cell-proliferation-migration-and-induces-apoptosis-in-osteosarcoma-in-vitro-and-in-vivo
#9
Dong Chen, Chuanzhen Hu, Gen Wen, Qingcheng Yang, Changqing Zhang, Huilin Yang
The SOX4 transcription factor is involved in various cellular processes, such as embryonic development and differentiation. Deregulated expression of Sox4 in several human cancers has been reported to date, but its biological functions in the progression of osteosarcoma remain unclear. In this study, we found that the expression levels of SOX4 protein were significantly higher in high-grade osteosarcoma tissues and metastatic osteosarcoma tissues. Its overexpression was associated with poor prognosis in osteosarcoma...
October 16, 2017: Calcified Tissue International
https://www.readbyqxmd.com/read/29036448/il6-secretion-from-alternatively-activated-macrophages-promotes-the-migration-of-endometriotic-epithelial-cells
#10
Jeong-Hwa Woo, Yeong-In Yang, Ji-Hye Ahn, Youn Seok Choi, Jung-Hye Choi
Accumulating evidence has suggested an interaction between endometriotic cells and macrophages in the endometriotic microenvironment and the potential role of this interaction in the pathogenesis of endometriosis. However, how endometriotic cells communicate with macrophages to influence their function is poorly understood. In the present study, we found that the mRNA expression and production of CC chemokine ligand 2 (CCL2) were much higher in human endometriotic epithelial cells (11Z and 12Z) than those in human endometrial epithelial cells (HES)...
October 4, 2017: Biology of Reproduction
https://www.readbyqxmd.com/read/29035824/knockdown-of-diaph1-expression-inhibits-migration-and-decreases-the-expression-of-mmp2-and-mmp9-in-human-glioma-cells
#11
Can Zhang, Lin Wang, Jiaying Chen, Jie Liang, Yaming Xu, Zhe Li, Fuxue Chen, Dongshu Du
As the most common primary central nervous system tumor, glioma is characterized by high levels of mortality and migration. Unclear boundary with normal brain tissue results in poor treatment. The mammalian diaphanous-related formin 1 (Diaph1) which belongs to formin-homology protein family, is a target of RhoA and involved in a number of actin-related biological processes, which abnormally expressed in pathological conditions in a number of tumors. Immunohistochemical analysis showed that Diaph1 was overexpressed in glioma tissues compared with normal human brain tissue...
October 12, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29029445/microrna-200c-increases-radiosensitivity-of-human-cancer-cells-with-activated-egfr-associated-signaling
#12
Taeryool Koo, Bong Jun Cho, Dan Hyo Kim, Ji Min Park, Eun Jung Choi, Hans H Kim, David J Lee, In Ah Kim
MicroRNA-200c (miR-200c) recently was found to have tumor-suppressive properties by inhibiting the epithelial-mesenchymal transition (EMT) in several cancers. miR-200c also interacts with various cellular signaling molecules and regulates many important signaling pathways. In this study, we investigated the radiosensitizing effect of miR-200c and its mechanism in a panel of human cancer cell lines. Malignant glioma (U251, T98G), breast cancer (MDA-MB-468), and lung carcinoma (A549) cells were transfected with control pre-microRNA, pre-miR-200c, or anti-miR-200c...
September 12, 2017: Oncotarget
https://www.readbyqxmd.com/read/29025423/downregulation-of-nmi-promotes-tumor-growth-and-predicts-poor-prognosis-in-human-lung-adenocarcinomas
#13
Jingshu Wang, Kun Zou, Xu Feng, Miao Chen, Cong Li, Ranran Tang, Yang Xuan, Meihua Luo, Wangbing Chen, Huijuan Qiu, Ge Qin, Yixin Li, Changlin Zhang, Binyi Xiao, Lan Kang, Tiebang Kang, Wenlin Huang, Xinfa Yu, Xiaojun Wu, Wuguo Deng
BACKGROUND: N-myc (and STAT) interactor (NMI) plays vital roles in tumor growth, progression, and metastasis. In this study, we identified NMI as a potential tumor suppressor in lung cancer and explored its molecular mechanism involved in lung cancer progression. METHODS: Human lung cancer cell lines and a mouse xenograft model was used to study the effect of NMI on tumor growth. The expression of NMI, COX-2 and relevant signaling proteins were examined by Western blot...
October 12, 2017: Molecular Cancer
https://www.readbyqxmd.com/read/29024632/quantitative-proteome-analysis-of-bovine-mammary-gland-reveals-protein-dynamic-changes-involved-in-peak-and-late-lactation-stages
#14
Xianrui Zheng, Chao Ning, Yichun Dong, Pengju Zhao, Junhui Li, Ziyao Fan, Jiang Li, Ying Yu, Raphael Mrode, Jian-Feng Liu
Mammary gland is an important organ for milk synthesis and secretion. It undergoes dramatic physiological changes to adapt the shift from peak to late lactation stage. Protein plays a final very vital role in many life functions, and the protein changes during different lactation stages potentially reflect the biology of lactation and the functions of mammary gland in cows. In current study, we adopted tandem mass tags label-based quantitative analysis technique and to investigate proteome changes occurring in bovine mammary gland from peak to late lactation stages...
October 9, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29020881/knockdown-of-reg%C3%AE-inhibits-the-proliferation-and-migration-and-promotes-the-apoptosis-of-multiple-myeloma-cells-by-downregulating-nf-%C3%AE%C2%BAb-signal-pathway
#15
Shuang Liu, Li-Ling Zheng, Yang-Min Zhu, Hui-Juan Shen, Qi Zhong, Jing Huang, Cheng Li, Zhi Liu, Meng-Dong Yao, Rui-Ming Ou, Qing Zhang
OBJECTIVES: This study aimed to evaluate the effects of REGγ knockdown on the proliferation, apoptosis and migration of multiple myeloma (MM) cells, and reveal the potential regulatory mechanisms. METHODS: The expression of REGγ on myeloma cells of 28 MM patients was detected by Western blot. shRNA-REGγ-1 and shRNA-REGγ-2 were constructed to downregulate REGγ in RPMI-8226 cells. The proliferation, apoptosis and migration of transfected cells were analyzed by Cell Counting Kit 8 (CCK8), flow cytometry and transwell chamber, respectively...
October 11, 2017: Hematology (Amsterdam, Netherlands)
https://www.readbyqxmd.com/read/29016715/matrix-metalloproteinase-2-knockout-prevents-angiotensin-ii-induced-vascular-injury
#16
Tlili Barhoumi, Julio C Fraulob-Aquino, Muhammad Oneeb Rehman Mian, Sofiane Ouerd, Noureddine Idris-Khodja, Ku-Geng Huo, Asia Rehman, Antoine Caillon, Bianca Dancose-Giambattisto, Talin Ebrahimian, Stéphanie Lehoux, Pierre Paradis, Ernesto L Schiffrin
Aims: Matrix metalloproteinases (MMPs) have been implicated in the development of hypertension in animal models and humans. Mmp2 deletion did not change Ang II-induced blood pressure (BP) rise. However, whether Mmp2 knockout affects angiotensin (Ang) II-induced vascular injury has not been tested. We sought to determine whether Mmp2 knockout will prevent Ang II-induced vascular injury. Methods and results: A fourteen-day Ang II infusion (1000 ng/kg/min, SC) increased systolic BP, decreased vasodilatory responses to acetylcholine, induced mesenteric artery (MA) hypertrophic remodelling, and enhanced MA stiffness in wild-type (WT) mice...
July 20, 2017: Cardiovascular Research
https://www.readbyqxmd.com/read/28994231/tipe1-suppresses-invasion-and-migration-through-down-regulating-wnt-%C3%AE-catenin-pathway-in-gastric-cancer
#17
Wenwen Liu, Ye Chen, Hua Xie, Yongmin Guo, Dandan Ren, Yupeng Li, Xu Jing, Dongliang Li, Xiao Wang, Miaoqing Zhao, Tianfeng Zhu, Ziying Wang, Xinbing Wei, Fei Gao, Xiaojie Wang, Suxia Liu, Yan Zhang, Fan Yi
Epithelial-mesenchymal transition (EMT) plays an important role in the invasiveness and metastasis of gastric cancer. Therefore, identifying key molecules involved in EMT will provide new therapeutic strategy for treating patients with gastric cancer. TIPE1 is a newly identified member of the TIPE (TNFAIP8) family, and its contributions to progression and metastasis have not been evaluated. In this study, we found that the levels of TIPE1 were significantly reduced and inversely correlated with differentiation status and distant metastasis in primary gastric cancer tissues...
October 10, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/28990072/2-3-5-4%C3%A2-tetrahydroxy-diphenylethylene%C3%A2-2%C3%A2-o%C3%A2-glucoside-inhibits-the-adhesion-and-invasion-of-a549-human-lung-cancer-cells
#18
Ming Xu, Cong Wang, Minglin Zhu, Xianguo Wang, Li Zhang, Jinping Zhao
Lung cancer is considered to be a serious disease that poses a significant threat to human health. 2,3,5,4‑tetrahydroxy diphenylethylene‑2‑O‑glucoside (THSG) is a bioactive compound derived from Polygonum multiflorum Thunb. That has been demonstrated to possess antioxidative, anti‑inflammatory and antitumor activities. However, little is currently known regarding the potential anticancer effects of this compound in lung cancer. Therefore, the present study aimed to investigate the effects of THSG on the adhesion and invasion of A549 human lung cancer cells in vitro, and to identify the putative mechanisms involved...
October 2, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28989119/effects-of-protein-coated-nanofibers-on-conformation-of-gingival-fibroblast-spheroids-potential-utility-for-connective-tissues-regeneration
#19
Gili Kaufman, Ryan Whitescarver, Laiz Nunes, Xavier-Lewis Palmer, Drago Skrtic, Wojtek Tutak
Deep wounds in the gingiva caused by trauma or surgery require a rapid and robust healing of connective tissues. We propose utilizing gas-brushed nanofibers coated with collagen and fibrin for that purpose. Our hypotheses are that protein-coated nanofibers will: (i) attract and mobilize cells in various spatial orientations, and (ii) regulate the expression levels of specific extracellular matrix (ECM)-associated proteins, determining the initial conformational nature of dense and soft connective tissues. Gingival fibroblast monolayers and 3D spheroids were cultured on ECM substrate and covered with gas-blown poly-(DL-lactide-co-glycolide) (PLGA) nanofibers (uncoated/coated with collagen and fibrin)...
October 9, 2017: Biomedical Materials
https://www.readbyqxmd.com/read/28984384/the-role-of-the-long-non-coding-rna-tdrg1-in-epithelial-ovarian-carcinoma-tumorigenesis-and-progression-through-mir-93-rhoc-pathway
#20
Shuo Chen, Li-Li Wang, Kai-Xuan Sun, Yin-Ling Xiu, Zhi-Hong Zong, Xi Chen, Yang Zhao
As one of the most frequently diagnosed cancers in women, the development and progression of epithelial ovarian carcinoma (EOC) remains an open area of research. The role of long non-coding RNAs (lncRNAs) in EOC is an emerging field of study. We found that LncRNA TDRG1 (human testis development-related gene 1) was highly expressed in EOC tissues than in normal ovarian tissues, and expression differed significantly with differentiation. LncRNA TDRG1 downregulation suppressed EOC cell proliferation, migration, and invasion, while its overexpression had the opposite effect...
October 6, 2017: Molecular Carcinogenesis
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