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Journal of Experimental & Clinical Cancer Research: CR

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https://www.readbyqxmd.com/read/29784019/the-parp-inhibitor-olaparib-potentiates-the-effect-of-the-dna-damaging-agent-doxorubicin-in-osteosarcoma
#1
Hye Jeong Park, Jun Sang Bae, Kyoung Min Kim, Young Jae Moon, See-Hyoung Park, Sang Hoon Ha, Usama Khamis Hussein, Zhongkai Zhang, Ho Sung Park, Byung-Hyun Park, Woo Sung Moon, Jung Ryul Kim, Kyu Yun Jang
BACKGROUND: PARP1 facilitates the recovery of DNA-damaged cells by recruiting DNA damage response molecules such as γH2AX and BRCA1/2, and plays a role in resistance to antitumor therapies. Therefore, PARP inhibition being evaluated as an anti-cancer therapy. However, there are limited studies regrading PARP inhibition in osteosarcoma. METHODS: We evaluated the expression of DNA damage response molecules in 35 human osteosarcomas and investigated the effects of co-treatment of the PARP inhibitor, olaparib, and doxorubicin in osteosarcoma cells...
May 21, 2018: Journal of Experimental & Clinical Cancer Research: CR
https://www.readbyqxmd.com/read/29776371/lncrna-tug1-promoted-kiaa1199-expression-via-mir-600-to-accelerate-cell-metastasis-and-epithelial-mesenchymal-transition-in-colorectal-cancer
#2
Junfeng Sun, Jiyi Hu, Guojun Wang, Zhen Yang, Chunlin Zhao, Xiefu Zhang, Jiaxiang Wang
BACKGROUND: LncRNA TUG1 has been reported to be highly expressed in CRC samples and cells and promoted metastasis by affecting EMT, indicating a poor prognosis for colorectal cancer (CRC). In this study, we determined the underlying mechanism for tumor oncogenesis of lncRNA TUG1 in CRC metastasis. METHODS: The expressions of miR-600 and KIAA1199 in 76 CRC patients and CRC cells and CRC metastatic tissues were determined using qRT-PCR. Epithelial-mesenchymal transition (EMT)-related proteins were determined using western blot...
May 18, 2018: Journal of Experimental & Clinical Cancer Research: CR
https://www.readbyqxmd.com/read/29764469/chibby-suppresses-aerobic-glycolysis-and-proliferation-of-nasopharyngeal-carcinoma-via-the-wnt-%C3%AE-catenin-lin28-let7-pdk1-cascade
#3
Cheng-Fu Cai, Guo-Dong Ye, Dong-Yan Shen, Wei Zhang, Mao-Li Chen, Xin-Xin Chen, Da-Xiong Han, Yan-Jun Mi, Qi-Cong Luo, Wang-Yu Cai, Shu-Yu Yang
BACKGROUND: Great progress has been achieved in the study of the aerobic glycolysis or the so-called Warburg effect in a variety of cancers; however, the regulation of the Warburg effect in Nasopharyngeal carcinoma (NPC) has not been completely defined. METHODS: Gene expression pattern of NPC cells were used to test associations between Chibby and β-catenin expression. Chibby siRNAs and over-expression vector were transfected into NPC cells to down-regulate or up-regulate Chibby expression...
May 15, 2018: Journal of Experimental & Clinical Cancer Research: CR
https://www.readbyqxmd.com/read/29764463/lncmapk6-drives-mapk6-expression-and-liver-tic-self-renewal
#4
Guanqun Huang, Hui Jiang, Yueming He, Ye Lin, Wuzheng Xia, Yuanwei Luo, Min Liang, Boyun Shi, Xinke Zhou, Zhixiang Jian
BACKGROUND: Liver tumor initiating cells (TICs) have self-renewal and differentiate capacities, and largely contribute to tumor initiation, metastasis and drug resistance. MAPK signaling is a critical pathway in many biological processes, while its role in liver TICs hasn't been explored. METHODS: Online-available dataset was used for unbiased screening. Liver TICs were examined CD133 FACS or oncosphere formation. TIC self-renewal was detected by oncosphere formation and tumor initiation assay...
May 15, 2018: Journal of Experimental & Clinical Cancer Research: CR
https://www.readbyqxmd.com/read/29751820/physical-interaction-of-stat1-isoforms-with-tgf-%C3%AE-receptors-leads-to-functional-crosstalk-between-two-signaling-pathways-in-epithelial-ovarian-cancer
#5
Xiaoling Tian, Wencai Guan, Lingyun Zhang, Wenwen Sun, Daibing Zhou, Qunbo Lin, Weimin Ren, Lubna Nadeem, Guoxiong Xu
BACKGROUND: The signal transducer and activator of transcription (STAT) and transforming growth factor-β (TGF-β) signaling pathways play important roles in epithelial ovarian cancer (EOC). However, the mechanism of crosstalk between two pathways is not completely understood. METHODS: The expression of STAT1 protein was detected by tissue microarray and immunoblotting (IB). The interaction of STAT1 isoforms with TGF-β receptors was confirmed by immunoprecipitation and IB...
May 11, 2018: Journal of Experimental & Clinical Cancer Research: CR
https://www.readbyqxmd.com/read/29747653/inactivation-of-the-tight-junction-gene-cldn11-by-aberrant-hypermethylation-modulates-tubulins-polymerization-and-promotes-cell-migration-in-nasopharyngeal-carcinoma
#6
Hsin-Pai Li, Chen-Ching Peng, Chih-Ching Wu, Chien-Hsun Chen, Meng-Jhe Shih, Mei-Yuan Huang, Yi-Ru Lai, Yung-Li Chen, Ting-Wen Chen, Petrus Tang, Yu-Sun Chang, Kai-Ping Chang, Cheng-Lung Hsu
BACKGROUND: Aberrant hypermethylation of cellular genes is a common phenomenon to inactivate genes and promote tumorigenesis in nasopharyngeal carcinoma (NPC). METHODS: Methyl binding domain (MBD)-ChIP sequencing of NPC cells, microarray data of NPC biopsies and gene ontology analysis were conducted to identify a potential tumor suppressor gene CLDN11 that was both hypermethylated and downregulated in NPC. Bisulfite sequencing, qRT-PCR, immunohistochemistry staining of the NPC clinical samples and addition of methylation inhibitor, 5'azacytidine, in NPC cells were performed to verify the correlation between DNA hypermethylation and expression of CLDN11...
May 10, 2018: Journal of Experimental & Clinical Cancer Research: CR
https://www.readbyqxmd.com/read/29743122/spin1-negatively-regulated-by-mir-148-152-enhances-adriamycin-resistance-via-upregulating-drug-metabolizing-enzymes-and-transporter-in-breast-cancer
#7
Xu Chen, Ya-Wen Wang, Peng Gao
BACKGROUND: Spindlin1 (SPIN1), a protein highly expressed in several human cancers, has been correlated with tumorigenesis and development. Alterations of drug metabolizing enzymes and drug transporters are major determinants of chemoresistance in tumor cells. However, whether the metabolizing enzymes and transporters are under the control of SPIN1 in breast cancer chemoresistance has not yet been defined. METHODS: SPIN1 expression in breast cancer cells and tissues was detected by quantitative real-time PCR (qRT-PCR) and immunohistochemistry...
May 9, 2018: Journal of Experimental & Clinical Cancer Research: CR
https://www.readbyqxmd.com/read/29743091/the-dysregulation-of-trnas-and-trna-derivatives-in-cancer
#8
REVIEW
Shi-Qiong Huang, Bao Sun, Zong-Ping Xiong, Yan Shu, Hong-Hao Zhou, Wei Zhang, Jing Xiong, Qing Li
Transfer RNAs (tRNAs), traditionally considered to participate in protein translation, were interspersed in the entire genome. Recent studies suggested that dysregulation was observed in not only tRNAs, but also tRNA derivatives generated by the specific cleavage of pre- and mature tRNAs in the progression of cancer. Accumulating evidence had identified that certain tRNAs and tRNA derivatives were involved in proliferation, metastasis and invasiveness of cancer cell, as well as tumor growth and angiogenesis in several malignant human tumors...
May 9, 2018: Journal of Experimental & Clinical Cancer Research: CR
https://www.readbyqxmd.com/read/29728125/matrix-stiffness-upregulated-loxl2-promotes-fibronectin-production-mmp9-and-cxcl12-expression-and-bmdcs-recruitment-to-assist-pre-metastatic-niche-formation
#9
Sifan Wu, Qiongdan Zheng, Xiaoxia Xing, Yinying Dong, Yaohui Wang, Yang You, Rongxin Chen, Chao Hu, Jie Chen, Dongmei Gao, Yan Zhao, Zhiming Wang, Tongchun Xue, Zhenggang Ren, Jiefeng Cui
BACKGROUND: Higher matrix stiffness affects biological behavior of tumor cells, regulates tumor-associated gene/miRNA expression and stemness characteristic, and contributes to tumor invasion and metastasis. However, the linkage between higher matrix stiffness and pre-metastatic niche in hepatocellular carcinoma (HCC) is still largely unknown. METHODS: We comparatively analyzed the expressions of LOX family members in HCC cells grown on different stiffness substrates, and speculated that the secreted LOXL2 may mediate the linkage between higher matrix stiffness and pre-metastatic niche...
May 4, 2018: Journal of Experimental & Clinical Cancer Research: CR
https://www.readbyqxmd.com/read/29728107/cyclizing-berberine-a35-induces-g2-m-arrest-and-apoptosis-by-activating-yap-phosphorylation-ser127
#10
Wuli Zhao, Hong Liu, Junxia Wang, Mengyan Wang, Rongguang Shao
BACKGROUND: A35 is a novel synthetic cyclizing-berberine recently patented as an antitumor compound. Based on its dual targeting topoisomerase (top) activity, A35 might overcome the resistance of single-target top inhibitors and has no cardiac toxicity for not targeting top2β. In this study we further explored the biological effects and mechanisms of A35. METHODS: Antitumor activity of A35 was evaluated by SRB and colony formation assay. G2/M phase arrest (especially M) and first damage of M-phase cells were investigated by flow cytometry, cytogenetic analysis, immunofluorescence, co-immunoprecipitation and WB...
May 4, 2018: Journal of Experimental & Clinical Cancer Research: CR
https://www.readbyqxmd.com/read/29716631/nherf1-and-tumor-microenvironment-a-new-scene-in-invasive-breast-carcinoma
#11
Concetta Saponaro, Alessandro Vagheggini, Emanuela Scarpi, Matteo Centonze, Ivana Catacchio, Ondina Popescu, Maria Irene Pastena, Francesco Giotta, Nicola Silvestris, Anita Mangia
BACKGROUND: Tumor microenvironment (TME) includes many factors such as tumor associated inflammatory cells, vessels, and lymphocytes, as well as different signaling molecules and extracellular matrix components. These aspects can be de-regulated and consequently lead to a worsening of cancer progression. In recent years an association between the scaffolding protein Na+ /H+ exchanger regulatory factor 1 (NHERF1) and tumor microenvironment changes in breast cancer (BC) has been reported...
May 2, 2018: Journal of Experimental & Clinical Cancer Research: CR
https://www.readbyqxmd.com/read/29716630/serum-mir-22-as-potential-non-invasive-predictor-of-poor-clinical-outcome-in-newly-diagnosed-uniformly-treated-patients-with-diffuse-large-b-cell-lymphoma-an-explorative-pilot-study
#12
Francesco Marchesi, Giulia Regazzo, Francesca Palombi, Irene Terrenato, Andrea Sacconi, Manuela Spagnuolo, Sara Donzelli, Mirella Marino, Cristiana Ercolani, Anna Di Benedetto, Giovanni Blandino, Gennaro Ciliberto, Andrea Mengarelli, Maria Giulia Rizzo
BACKGROUND: Diffuse large B-cell lymphoma (DLBCL) is a heterogeneous group of tumors, with aggressive clinical course that renders prognostication and choice of treatment strategy difficult. Chemo-immunotherapy with rituximab, cyclophosphamide, doxorubicin, vincristine, prednisone (R-CHOP) is the current first-line treatment. MicroRNAs (miRNAs) are under investigation as novel diagnostic and prognostic biomarkers in several malignancies, including malignant lymphomas. While tissue miRNAs in DLBCL patients have been extensively studied as biomarkers, only few reports to date have evaluated the role of circulating/serum miRNAs as potential prognostic factors...
May 2, 2018: Journal of Experimental & Clinical Cancer Research: CR
https://www.readbyqxmd.com/read/29716623/mir-221-stimulates-breast-cancer-cells-and-cancer-associated-fibroblasts-cafs-through-selective-interference-with-the-a20-c-rel-ctgf-signaling
#13
Maria Francesca Santolla, Rosamaria Lappano, Francesca Cirillo, Damiano Cosimo Rigiracciolo, Anna Sebastiani, Sergio Abonante, Pierfrancesco Tassone, Pierosandro Tagliaferri, Maria Teresa Di Martino, Marcello Maggiolini, Adele Vivacqua
BACKGROUND: MicroRNA (miRNAs) are non-coding small RNA molecules that regulate gene expression by inhibiting the translation of target mRNAs. Among several dysregulated miRNAs in human cancer, the up-regulation of miR-221 has been associated with development of a variety of hematologic and solid malignancies. In this study, we investigated the involvement of miR-221 in breast cancer. METHODS: TaqMan microRNA assay was used to detect the miR-221 levels in normal cells and in MDA-MB 231 and SkBr3 breast cancer cells as well as in main players of the tumor microenvironment, namely cancer-associated fibroblasts (CAFs)...
May 2, 2018: Journal of Experimental & Clinical Cancer Research: CR
https://www.readbyqxmd.com/read/29716622/a-novel-small-molecule-inhibitor-of-mdm2-p53-apg-115-enhances-radiosensitivity-of-gastric-adenocarcinoma
#14
Hanjie Yi, Xianglei Yan, Qiuyun Luo, Luping Yuan, Baoxia Li, Wentao Pan, Lin Zhang, Haibo Chen, Jing Wang, Yubin Zhang, Yifan Zhai, Miao-Zhen Qiu, Da-Jun Yang
BACKGROUND: Gastric cancer is the leading cause of cancer related death worldwide. Radiation alone or combined with chemotherapy plays important role in locally advanced and metastatic gastric adenocarcinoma. MDM2-p53 interaction and downstream signaling affect cellular response to DNA damage which leads to cell cycle arrest and apoptosis. Therefore, restoring p53 function by inhibiting its interaction with MDM2 is a promising therapeutic strategy for cancer. APG-115 is a novel small molecule inhibitor which blocks the interaction of MDM2 and p53...
May 2, 2018: Journal of Experimental & Clinical Cancer Research: CR
https://www.readbyqxmd.com/read/29712569/the-dual-blockade-of-met-and-vegfr2-signaling-demonstrates-pronounced-inhibition-on-tumor-growth-and-metastasis-of-hepatocellular-carcinoma
#15
Yu Zhang, Xiaomei Gao, Ying Zhu, Dhruba Kadel, Haoran Sun, Jing Chen, Qin Luo, Haoting Sun, Luyu Yang, Jing Yang, Yuanyuan Sheng, Yan Zheng, Kejin Zhu, Qiongzhu Dong, Lunxiu Qin
BACKGROUND: The application of VEGF signaling inhibitors have been associated with more invasive or metastatic behavior of cancers including hepatocellular carcinoma (HCC). We explored the contribution of MET pathway to the enhanced HCC invasion and metastasis by VEGF signaling inhibition, and investigated the antitumor effects of NZ001, a novel dual inhibitor of MET and VEGFR2, in HCC. METHODS: Immunocompetent orthotopic mice model of hepal-6 was established to investigate the effects of either VEGF antibody alone or in combination with the selective MET inhibitor on tumor aggressiveness...
April 30, 2018: Journal of Experimental & Clinical Cancer Research: CR
https://www.readbyqxmd.com/read/29703238/integrins-as-therapeutic-targets-in-the-organ-specific-metastasis-of-human-malignant-melanoma
#16
REVIEW
Ruixia Huang, Einar K Rofstad
Integrins are a large family of adhesion molecules that mediate cell-cell and cell-extracellular matrix interactions. Among the 24 integrin isoforms, many have been found to be associated with tumor angiogenesis, tumor cell migration and proliferation, and metastasis. Integrins, especially αvβ3, αvβ5 and α5β1, participate in mediating tumor angiogenesis by interacting with the vascular endothelial growth factor and angiopoietin-Tie signaling pathways. Melanoma patients have a poor prognosis when the primary tumor has generated distant metastases, and the melanoma metastatic site is an independent predictor of the survival of these patients...
April 27, 2018: Journal of Experimental & Clinical Cancer Research: CR
https://www.readbyqxmd.com/read/29703234/bortezomib-enhances-radiosensitivity-in-oral-cancer-through-inducing-autophagy-mediated-traf6-oncoprotein-degradation
#17
Yuan-Hua Wu, Wun-Syuan Wu, Li-Ching Lin, Chiang-Shin Liu, Sheng-Yow Ho, Bour-Jr Wang, Bu-Miin Huang, Ya-Ling Yeh, Hui-Wen Chiu, Wei-Lei Yang, Ying-Jan Wang
BACKGROUND: Oral squamous cell carcinoma (OSCC) is a malignant tumor that may occur anywhere within the oral cavity. The survival rate of OSCC patients has not improved over the past decades due to its heterogeneous etiology, genetic aberrations, and treatment outcomes. We investigated the role of tumor necrosis factor receptor-associated factor 6 (TRAF6) in OSCC cells treated with bortezomib (a proteasome inhibitor) combined with irradiation (IR) treatment. METHODS: The effects of combined treatment in OSCC cells were investigated using assays of cell viability, autophagy, apoptosis, western blotting, and immunofluorescence staining...
April 27, 2018: Journal of Experimental & Clinical Cancer Research: CR
https://www.readbyqxmd.com/read/29699590/attenuation-of-tgfbr2-expression-and-tumour-progression-in-prostate-cancer-involve-diverse-hypoxia-regulated-pathways
#18
Hui Zhou, Guanqing Wu, Xueyou Ma, Jun Xiao, Gan Yu, Chunguang Yang, Nan Xu, Bao Zhang, Jun Zhou, Zhangqun Ye, Zhihua Wang
BACKGROUND: Dysregulation of transforming growth factor β (TGF-β) signaling and hypoxic microenvironment have respectively been reported to be involved in disease progression in malignancies of prostate. Emerging evidence indicates that downregulation of TGFBR2, a pivotal regulator of TGF-β signaling, may contribute to carcinogenesis and progression of prostate cancer (PCa). However, the biological function and regulatory mechanism of TGFBR2 in PCa remain poorly understood. In this study, we propose to investigate the crosstalk of hypoxia and TGF-β signaling and provide insight into the molecular mechanism underlying the regulatory pathways in PCa...
April 27, 2018: Journal of Experimental & Clinical Cancer Research: CR
https://www.readbyqxmd.com/read/29699584/androgen-receptor-and-heat-shock-protein-27-co-regulate-the-malignant-potential-of-molecular-apocrine-breast-cancer
#19
Xiaozhen Liu, Changyun Feng, Junjun Liu, Lu Cao, Guomin Xiang, Fang Liu, Shuling Wang, Jiao Jiao, Yun Niu
BACKGROUND: The most striking feature of molecular apocrine breast cancer (MABC) is the expression of androgen receptor (AR). We report here the mechanism of the AR in regulating the behavior of MABC. METHODS: The MABC cell line, MDA-MB-453, and the nonMABC cell line, MCF7, were used in this study. The effect of dihydrotestosterone (DHT) and heat shock protein 27 (HSP27) on cell proliferation was quantified using the cell counter kit-8 (CCK8) and clonogenic assays in vitro and by a xenograft tumor model in vivo...
April 27, 2018: Journal of Experimental & Clinical Cancer Research: CR
https://www.readbyqxmd.com/read/29690909/targeting-chemotherapy-resistant-leukemia-by-combining-dnt-cellular-therapy-with-conventional-chemotherapy
#20
Branson Chen, Jong Bok Lee, Hyeonjeong Kang, Mark D Minden, Li Zhang
BACKGROUND: While conventional chemotherapy is effective at eliminating the bulk of leukemic cells, chemotherapy resistance in acute myeloid leukemia (AML) is a prevalent problem that hinders conventional therapies and contributes to disease relapse, and ultimately patient death. We have recently shown that allogeneic double negative T cells (DNTs) are able to target the majority of primary AML blasts in vitro and in patient-derived xenograft models. However, some primary AML blast samples are resistant to DNT cell therapy...
April 24, 2018: Journal of Experimental & Clinical Cancer Research: CR
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