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American Journal of Cancer Research

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https://www.readbyqxmd.com/read/28469971/alpinumisoflavone-suppresses-tumour-growth-and-metastasis-of-clear-cell-renal-cell-carcinoma
#1
Tingting Wang, Yuhua Jiang, Lei Chu, Tianhui Wu, Jie You
Clear cell renal cell carcinoma (ccRCC) is the most common type of kidney cancer. The present study is aimed to investigate the role of alpinumisoflavone (AIF), a naturally occurring flavonoid compound, in ccRCC and the underlying mechanism. In this study, miR-101 has been identified as a novel therapeutic target, which exerts anti-tumor effect on ccRCC by directly targeting RLIP76. Moreover, our results showed that AIF was able to increase the expression of miR-101 by suppressing Akt signalling. Our findings in this study provided experimental evidence that AIF has the potential to be used as an agent in the treatment of ccRCC...
2017: American Journal of Cancer Research
https://www.readbyqxmd.com/read/28469970/microrna-1301-inhibits-proliferation-of-human-glioma-cells-by-directly-targeting-n-ras
#2
Tongle Zhi, Kuan Jiang, Chuanzhuo Zhang, Xiupeng Xu, Weining Wu, Er Nie, Tianfu Yu, Xu Zhou, Zhongyuan Bao, Xin Jin, Junxia Zhang, Yingyi Wang, Ning Liu
Glioma is one of the most common, rapidly progressive and fatal brain tumors, and accumulating evidence shows that microRNAs (miRNAs) play important roles in the development of cancers, including glioma. Therapeutic applications of miRNAs in Ras-driven glioma have been proposed; however, their specific functions and mechanisms are poorly understood. Here, we report that miR-1301-3p directly targets the neuroblastoma Ras viral oncogene homolog (N-Ras) and functions as a tumor-suppressor in glioma. Quantitative reverse transcription-PCR was applied to detect the expression of miR-1301-3p in glioma specimens...
2017: American Journal of Cancer Research
https://www.readbyqxmd.com/read/28469969/vessel-morphometric-parameters-correlation-with-histologic-grade-and-vegf-expression-in-oligodendroglioma
#3
Leah B Strickland-Marmol, Steven Brem, Amyn M Rojiani, Mumtaz V Rojiani
The contributions of histologic features including microvascular proliferation to the determination of malignancy in oligodendrogliomas remain uncertain. We have retrospectively performed morphometric assessments in 20 tumors histologically classified as well-differentiated (WHO Grade II, n=8) or anaplastic (WHO Grade III, n=12) oligodendrogliomas (WDO or AO). Quantitative studies utilized image analysis of double immunolabeled vasculature with anti CD34 with VIP chromogen (purple) and proliferating nuclei with anti MIB-1, using DAB (brown)...
2017: American Journal of Cancer Research
https://www.readbyqxmd.com/read/28469968/the-selective-c-met-inhibitor-tepotinib-can-overcome-epidermal-growth-factor-receptor-inhibitor-resistance-mediated-by-aberrant-c-met-activation-in-nsclc-models
#4
Manja Friese-Hamim, Friedhelm Bladt, Giuseppe Locatelli, Uz Stammberger, Andree Blaukat
Non-small cell lung cancer (NSCLC) sensitive to first-generation epidermal growth factor receptor (EGFR) tyrosine kinase inhibitors (TKIs) often acquires resistance through secondary EGFR mutations, including the T790M mutation, aberrant c-Met receptor activity, or both. We assessed the ability of the highly selective c-Met inhibitor tepotinib to overcome EGFR TKI resistance in various xenograft models of NSCLC. In models with EGFR-activating mutations and low c-Met expression (patient explant-derived LU342, cell line PC-9), EGFR TKIs caused tumors to shrink, but growth resumed upon cessation of treatment...
2017: American Journal of Cancer Research
https://www.readbyqxmd.com/read/28469967/elevated-ascl2-expression-in-breast-cancer-is-associated-with-the-poor-prognosis-of-patients
#5
Hui Xu, Xi-Long Zhao, Xue Liu, Xu-Gang Hu, Wen-Juan Fu, Qian Li, Yan Wang, Yi-Fang Ping, Xia Zhang, Xiu-Wu Bian, Xiao-Hong Yao
Achaete scute-like 2 (ASCL2) is a member of the basic helix-loop-helix (bHLH) transcription factors, and is expressed mainly in intestinal stem cells under normal conditions. Recently, aberrantly elevated ASCL2 was detected in cancer tissues, but the clinical relevance of ASCL2 in breast cancers remains to be decided. In this study, we evaluated the expression of ASCL2 and its relationship to cancer progression in specimens from 191 cases of breast cancer patients with follow-up information. The results indicated that ASCL2 was highly expressed in cancer cells while it was undetectable in normal epithelial cells...
2017: American Journal of Cancer Research
https://www.readbyqxmd.com/read/28469966/analysis-of-the-correlation-among-hypertension-the-intake-of-%C3%AE-blockers-and-overall-survival-outcome-in-patients-undergoing-chemoradiotherapy-with-inoperable-stage-iii-non-small-cell-lung-cancer
#6
Pei Yang, Weiye Deng, Yaqian Han, Yingrui Shi, Ting Xu, Juan Shi, Hesham Elhalawani, Yu Zhao, Xiaoxue Xie, Fan Lou, Rong Zhang, Hekun Jin
It is known that hypertension could increase the plasma levels of VEGF and that β-blockers propranolol could counteract the effect. Our aim was to explore the possibility of improving survival outcomes for patients with and patients without hypertension. In addition, we also compared the efficacy of the usage of β-blockers in inoperable non-small cell lung cancer (NSCLC) patients. We retrospectively reviewed 1753 NSCLC patients who underwent concurrence/sequential chemoradiotherapy in our hospital from 1994 to 2005...
2017: American Journal of Cancer Research
https://www.readbyqxmd.com/read/28469965/eight-plex-itraq-labeling-and-quantitative-proteomic-analysis-for-human-bladder-cancer
#7
Qimin Zhang, Shengsong Huang, Huarong Luo, Xin Zhao, Gang Wu, Denglong Wu
Bladder cancer is one of the most prevalent cancers worldwide, and increasing research has focused on new technologies for early detection of bladder cancer. For example, proteomic techniques for biomarker discovery have been implemented for the detection and analysis of protein changes in the tissues, blood, and urine from bladder cancer patients. In this present study, we evaluated the effectiveness of the eight-plex iTRAQ labeling and quantitative proteomic approaches for differentially analyzing proteins found in normal and bladder cancer tissues from individual patients...
2017: American Journal of Cancer Research
https://www.readbyqxmd.com/read/28469964/comprehensive-pharmacological-profiling-of-neurofibromatosis-cell-lines
#8
Jianman Guo, Michael R Grovola, Hong Xie, Grace E Coggins, Patrick Duggan, Rukhsana Hasan, Jiale Huang, Danny W Lin, Claire Song, Gabriela M Witek, Simon Berritt, David C Schultz, Jeffrey Field
Patients with Neurofibromatosis type 1 (NF1) and Neurofibromatosis type 2 (NF2) are predisposed to tumors of the nervous system. NF1 patients predominantly develop neurofibromas, and Malignant Peripheral Nerve Sheath Tumors (MPNST) while NF2 patients develop schwannomas and meningiomas. Here we quantified the drug sensitivities of NF1 and NF2 tumor cell lines in a high throughput platform. The platform contained a comprehensive collection of inhibitors of MEK, RAF, RAS, farnesyl transferase, PAK and ERK, representative drugs against many other cancer pathways including Wnt, Hedgehog, p53, EGF, HDAC, as well as classical cytotoxic agents recommended for treating MPNST, such as doxorubicin and etoposide...
2017: American Journal of Cancer Research
https://www.readbyqxmd.com/read/28469963/mir-381-3p-suppresses-the-proliferation-of-oral-squamous-cell-carcinoma-cells-by-directly-targeting-fgfr2
#9
Xiao Yang, Huibing Ruan, Xi Hu, Anyi Cao, Li Song
Mutiple microRNAs are implicated in oral squamous cell carcinoma (OSCC), which is characterized by a high rate of proliferation and nodal metastasis. Data from the present study showed that miR-381-3p is significantly underexpressed in both OSCC tissues and cell lines. Overexpression of miR-381-3p led to marked suppression of proliferation and cell cycle progression of OSCC cells and promotion of apoptosis. Notably, fibroblast growth factor receptor 2 (FGFR2) was downregulated by miR-381-3p through direct interactions with its 3' untranslated region...
2017: American Journal of Cancer Research
https://www.readbyqxmd.com/read/28469962/lenvatinib-enhances-the-antitumor-effects-of-paclitaxel-in-anaplastic-thyroid-cancer
#10
Changxin Jing, Zhifei Gao, Rong Wang, Zhao Yang, Bingyin Shi, Peng Hou
Anaplastic thyroid cancer (ATC) is a rare malignancy and has a very poor prognosis due to its aggressive behavior and resistance to treatment. No effective treatment modalities are currently available. Lenvatinib has shown encouraging results in the patients with radioiodine-refractory differentiated thyroid cancer (DTC); however, lenvatinib monotherapy has a relatively low efficacy against ATC. In this study, we assessed the antitumor effects of a combination of lenvatinib and microtubule inhibitor paclitaxel in ATC cells in vitro and in vivo...
2017: American Journal of Cancer Research
https://www.readbyqxmd.com/read/28469961/long-non-coding-rna-ak093407-promotes-proliferation-and-inhibits-apoptosis-of-human-osteosarcoma-cells-via-stat3-activation
#11
Yongkun Wang, Tingting Liang, Yao Wang, Yan Huang, Ye Li
Osteosarcoma is a malignant tumor of the skeletal system. Long non-coding RNAs (lncRNAs) have been shown to play significant role in osteosarcoma. The present study evaluated the effects and mechanism of lncRNA AK093407 in osteosarcoma. The study included human osteosarcoma cell line, U-2OS. Cell proliferation, viability, and apoptosis were measured using Ki-67 proliferation assay, MTT assay, and Annexin V/PI staining assay, respectively. Relative mRNA and protein expressions were measured using qRT-PCR and western blot, respectively...
2017: American Journal of Cancer Research
https://www.readbyqxmd.com/read/28469960/p62-sqstm1-levels-predicts-radiotherapy-resistance-in-hypopharyngeal-carcinomas
#12
Akihito Arai, Tokuhiro Chano, Kaichiro Ikebuchi, Yusuke Hama, Yasuko Ochi, Hitosuke Tameno, Taketoshi Shimada
Hypopharyngeal carcinoma is one of the worst prognostic malignancies among head and neck carcinomas. Therefore, a good biomarker should be identified to predict the best therapeutic option before starting the treatment. In cell models, p62/SQSTM1 levels affected the Nrf2-Keap1 pathway, ROS levels, GSH/GSSG ratios and cell growth, especially under irradiation rather than under CDDP exposure, which was toxic despite p62/SQSTM1 status. In a clinical cohort of hypopharyngeal carcinomas, high levels of p62/SQSTM1 significantly predicted poor prognosis (log-rank test, Chi-square value = 6...
2017: American Journal of Cancer Research
https://www.readbyqxmd.com/read/28469959/treatment-with-the-c-c-chemokine-receptor-type-5-ccr5-inhibitor-maraviroc-suppresses-growth-and-induces-apoptosis-of-acute-lymphoblastic-leukemia-cells
#13
Jie Zi, Shushu Yuan, Jianlin Qiao, Kai Zhao, Linyan Xu, Kunming Qi, Kailin Xu, Lingyu Zeng
Acute lymphoblastic leukemia (ALL) is the most common hematological malignancy diagnosed in children and is a malignant disorder that originates from one single hematopoietic precursor committed to B- or T-cell lineage. C-C chemokine receptor type 5 (CCR5) is a chemokine and chemokine receptor pair playing critical roles in tumorigenesis. A highly potent competitive antagonist of CCR5, maraviroc, recently has been identified with suppression of cancer cells aggressive in a variety of cancers. However, the effects of maraviroc on ALL cells have not yet been defined...
2017: American Journal of Cancer Research
https://www.readbyqxmd.com/read/28469958/mir-421-inhibits-the-malignant-phenotype-in-glioma-by-directly-targeting-mef2d
#14
Liang Liu, Sitong Cui, Rui Zhang, Yan Shi, Liangsheng Luo
MicroRNA-421 (miRNA-421) dysregulation has been found in various human tumors, however, the biological function and molecular mechanism of miR-421 in glioma remain unclear. In this study, we investigated the potential biological roles of miR-421 in glioma cell lines. First, we demonstrated that compared with that of low grade gliomas (LGG), miR-421 expression is much lower in high grade gliomas (HGG) within the CGGA (Chinese Glioma Genome Atlas) database. MiR-421 expression in 5 normal brain tissues and 20 glioma tissues were in agreement with the result in the CGGA...
2017: American Journal of Cancer Research
https://www.readbyqxmd.com/read/28469957/hbx-related-long-non-coding-rna-malat1-promotes-cell-metastasis-via-up-regulating-ltbp3-in-hepatocellular-carcinoma
#15
Zhouhua Hou, Xuwen Xu, Xiaoyu Fu, Shuhui Tao, Jiebin Zhou, Shuiping Liu, Deming Tan
Though it is widely known that hepatitis B virus X protein (HBx) is involved in the progression of hepatocellular carcinoma (HCC), the underlying mechanisms are not entirely clear. In recent years, metastasis associated with lung adenocarcinoma transcript 1 (MALAT1), which is an oncogenic long non-coding RNA (lncRNA), has been proved to be associated with many kinds of tumors, including liver cancer. In this study, we demonstrated that MALAT1 was involved in the HBx-mediated hepatocarcinogenesis. Firstly, we found that expression of MALAT1 was strongly up-regulated in HCC tissues and was directly proportional to the expression of HBx...
2017: American Journal of Cancer Research
https://www.readbyqxmd.com/read/28469956/targeting-nras-q61k-mutant-delays-tumor-growth-and-angiogenesis-in-non-small-cell-lung-cancer
#16
Zhaowei Song, Fenghai Liu, Jie Zhang
Tumor cells require vascular supply for their growth, and they express proangiogenic growth factors that promote the formation of vascular networks. Many oncogenic mutations that may potentially lead to tumor angiogenesis have been identified. Somatic mutations in the small GTPase NRAS are the most common activating lesions found in human cancer and are generally associated with poor response to standard therapies. However, the mechanisms by which NRAS mutations affect tumor angiogenesis are largely unknown...
2017: American Journal of Cancer Research
https://www.readbyqxmd.com/read/28469955/molecular-mechanism-underlying-the-pharmacological-interactions-of-the-protein-kinase-c-%C3%AE-inhibitor-enzastaurin-and-erlotinib-in-non-small-cell-lung-cancer-cells
#17
Nele Van Der Steen, Lisette Potze, Elisa Giovannetti, Andrea Cavazzoni, Rob Ruijtenbeek, Christian Rolfo, Patrick Pauwels, Godefridus J Peters
Erlotinib is commonly used as a second line treatment in non-small cell lung cancer patients with sensitizing EGFR mutations. In EGFR-wild type patients, however the results are limited. Therefore we evaluated whether the combination of the Protein kinase C-β inhibitor enzastaurin with erlotinib could enhance the effect in the A549 and H1650 cell lines. Cytotoxicity of erlotinib, enzastaurin and their 72-h simultaneous combination was assessed with the MTT assay. The pharmacologic interaction was studied using the method of Chou and Talalay, cell cycle perturbations were assessed by flow cytometry and modulation of ERK1/2 and AKT phosphorylation was determined with ELISA...
2017: American Journal of Cancer Research
https://www.readbyqxmd.com/read/28469954/osteosarcoma-cell-intrinsic-colony-stimulating-factor-1-receptor-functions-to-promote-tumor-cell-metastasis-through-jag1-signaling
#18
Zhi-Qiang Wen, Xi-Gong Li, Yi-Jun Zhang, Zhi-Heng Ling, Xiang-Jin Lin
Therapeutic antibodies or inhibitors targeting CSF-1R block colony stimulating factor-1/colony stimulating factor-1 receptor (CSF-1/CSF-R) signaling, and have shown remarkable efficacy in the treatment of cancer. However, little is known about tumor cell-intrinsic CSF-1R effects. Here, we show that human osteosarcomas contain CSF-1R-expressing cancer subpopulations, and demonstrate that osteosarcoma cell-intrinsic CSF-1R promotes growth in vitro and in vivo. CSF-1R inhibition in osteosarcoma cells by RNA interference suppresses cell proliferation and tumor growth in mice...
2017: American Journal of Cancer Research
https://www.readbyqxmd.com/read/28469953/microrna-1468-5p-inhibits-glioma-cell-proliferation-and-induces-cell-cycle-arrest-by-targeting-rrm1
#19
Kuan Jiang, Tongle Zhi, Wenhui Xu, Xiupeng Xu, Weining Wu, Tianfu Yu, Er Nie, Xu Zhou, Zhongyuan Bao, Xin Jin, Junxia Zhang, Yingyi Wang, Ning Liu
MicroRNAs are associated with different types of cancers. In this study, we found that miR-1468-5p could inhibit growth and cell cycle progression in glioma by targeting ribonucleotide reductase large subunit M1 (RRM1). First, we analyzed miR-1468-5p expression in different glioma grades and the prognostic significance of its expression in glioblastoma multiform patients from the Chinese Glioma Genome Atlas. Then, we expressed miR-1468-5p in U87 and U251 cells and assessed the effects on proliferation and cell cycle progression using cell counting kit-8, colony formation, EdU and flow cytometry assays...
2017: American Journal of Cancer Research
https://www.readbyqxmd.com/read/28469952/long-noncoding-rna-atb-promotes-osteosarcoma-cell-proliferation-migration-and-invasion-by-suppressing-mir-200s
#20
Feng Han, Changhe Wang, Yi Wang, Liang Zhang
Long noncoding RNA activated by transforming growth factor-β (lncRNA-ATB) is a novel lncRNA, which is recently reported to have critical roles in carcinogenesis and progression of several cancers. However, the expression, clinical values, biological roles, and underlying molecular mechanisms of lncRNA-ATB in osteosarcoma are still known. In this study, we measured lncRNA-ATB expression in serum and osteosarcoma tissues of osteosarcoma patients, analyzed its diagnostic and prognostic values. Serum lncRNA-ATB is increased in osteosarcoma patients and could accurately discriminate osteosarcoma patients from healthy controls...
2017: American Journal of Cancer Research
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