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Oncology Reports

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https://www.readbyqxmd.com/read/28534999/mir-370-regulates-cell-proliferation-and-migration-by-targeting-egfr-in-gastric-cancer
#1
Tao Ning, Haiyang Zhang, Xinyi Wang, Shuang Li, Le Zhang, Ting Deng, Likun Zhou, Rui Liu, Xia Wang, Ming Bai, Shaohua Ge, Hongli Li, Dingzhi Huang, Guoguang Ying, Yi Ba
Epidermal growth factor receptor (EGFR) is known to be overexpressed in ~30% of gastric cancer (GC) cases, and may serve as an effective biomarker for predicting the clinical benefit of anti-EGFR therapy. However, the mechanism underlying the regulation of EGFR expression remains unknown. Evidence indicates that post-transcriptional regulation may exist in the process of EGFR expression. In the present study, we aimed to explore whether miR-370 is involved in this process, and how it impacts the biological behaviors of GC cells...
May 23, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28534991/long-non-coding-rna-xloc_006390-promotes-cervical-cancer-proliferation-and-metastasis-through-the-regulation-of-set-domain-containing-8
#2
Xiaotian Luan, Yankui Wang
The long non-coding RNA (lncRNA) XLOC_006390 is increased in various human cancer tissues and it plays important roles in cell growth and migration. However, the role of lncRNA XLOC_006390 in the progression and metastasis of cervical cancer has not been evaluated and remains unclear. In the present study, we hypothesized that lncRNA XLOC_006390 is also increased in cervical cancer, and upregulation of lncRNA XLOC_006390 contributes to cervical cancer metastasis. The expression of lncRNA XLOC_006390 in cervical cancer tissues and cell lines was analyzed using quantitative reverse-transcription-polymerase chain reaction (qRT-PCR)...
May 23, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28534975/resveratrol-inactivates-pi3k-akt-signaling-through-upregulating-bmp7-in-human-colon-cancer-cells
#3
Yu-Hua Zeng, Lin-Yun Zhou, Qian-Zhao Chen, Yang Li, Ying Shao, Wen-Yan Ren, Yun-Peng Liao, Han Wang, Jia-Hui Zhu, Ming Huang, Fang He, Jin Wang, Ke Wu, Bai-Cheng He
Colon cancer is common worldwide and accounts for the significant cancer related morbidity and mortality in patients. Although extensive advancement has been made in colon cancer treatment and diagnosis in the last decades, there is still a giant gap between the clinical expectation. It has been reported that resveratrol (Res) may be a potential candidate for cancer treatment. However, the specific mechanism underlying this activity remains unclear. In this study, we investigated the anticancer activity of Res in human colon cancer cells, and unveiled the possible mechanism for this effect...
May 23, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28534963/n-acetylglucosaminyltransferase-iva-promotes-invasion-of-choriocarcinoma
#4
Kimihiro Nishino, Eiko Yamamoto, Kaoru Niimi, Yoko Sekiya, Yoriko Yamashita, Fumitaka Kikkawa
Gestational trophoblastic neoplasia (GTN) results from the malignant transformation of placental trophoblasts which secrete human chorionic gonadotropin (hCG) as do normal placenta or hydatidiform mole. N-acetylglucosaminyltransferase IV (GnT-IV) is a glycosyltransferase which catalyses the formation of β1,4GlcNAc branches on the mannose core of N-glycans. Previous studies reported that β1,4GlcNAc branches on hCG were detected in GTN but not in normal pregnancy or hydatidiform mole. The aim of the present study was to understand the role of GnT-IVa in choriocarcinoma and find the target proteins for GnT-IVa glycosylation which contribute to the malignancy of choriocarcinoma...
May 23, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28535014/mir-455-inhibits-cell-proliferation-and-migration-via-negative-regulation-of-egfr-in-human-gastric-cancer
#5
Tao Ning, Zhijuan Peng, Shuang Li, Yanjun Qu, Haiyang Zhang, Jingjing Duan, Xinyi Wang, Haiou Yang, Rui Liu, Ting Deng, Ming Bai, Yi Wang, Yiran Si, Le Zhang, Xia Wang, Shaohua Ge, Likun Zhou, Guoguang Ying, Yi Ba
Epidermal growth factor receptor (EGFR) plays an important role in various types of cancer. However, the therapeutic agents that target EGFR have not produced favorable results in gastric cancer. miRNAs are known to regulate gene expression at the post-transcriptional level. We wondered if miRNAs could be potential therapeutic agents for the targeted therapy against EGFR. In this study, we found an increase in the copies of EGFR mRNA and the upregulated expression of the EGFR protein in gastric cancer tissues compared with normal gastric tissues...
May 22, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28535001/standardization-of-a375-human-melanoma-models-on-chicken-embryo-chorioallantoic-membrane-and-balb-c-nude-mice
#6
Stefana Avram, Dorina-Elena Coricovac, Ioana Zinuca Pavel, Iulia Pinzaru, Roxana Ghiulai, Flavia Baderca, Codruta Soica, Danina Muntean, Daciana E Branisteanu, Demetrios A Spandidos, Aristides M Tsatsakis, Cristina Adriana Dehelean
Cutaneous melanoma is a metastatic disease characterized by high resistance to treatment, the incidence of which has alarmingly increased worldwide over the past years. A thorough characterization of tumor onset, progression and metastasis is compulsory to overcome the gaps existent in melanoma biology. The present study suggests a well‑established protocol and a detailed histological description of human melanoma models in ovo and in vivo obtained by the inoculation of A375 cells to chick embryo chorioallantoic membrane (CAM) and Balb/c nude mice...
May 22, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28534992/hif-1%C3%AE-inhibits-idh-1-expression-in-osteosarcoma
#7
Deng-Cheng Liu, Xun Zheng, Yong Zho, Wan-Rong Yi, Zong-Huan Li, Xiang Hu, Ai-Xi Yu
Recently, hypoxia inducible factor-1 (HIF-1) was reported to be correlated with isocitrate dehydrogenase 1 (IDH-1) in several types of tumors. However, the expression and significance of HIF-1 and IDH-1 in osteosarcoma is still unknown. In the present study, the expression levels of IDH-1 and HIF-1α in 35 formalin-fixed paraffin-embedded sections from osteosarcoma patients were investigated by immunohistochemistry. The expression levels of IDH-1 and HIF-1α in human osteosarcoma cell lines (MG-63 and 143B) were further detected by western blotting under normal and hypoxic conditions...
May 22, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28534983/trim59-facilitates-the-proliferation-of-colorectal-cancer-and-promotes-metastasis-via-the-pi3k-akt-pathway
#8
Ye Sun, Bing Ji, Yifei Feng, Yue Zhang, Dongjian Ji, Chunyan Zhu, Sen Wang, Chuan Zhang, Dongsheng Zhang, Yueming Sun
Tripartite motif-containing 59 (TRIM59) belongs to the tripartite motif (TRIM) protein family and is upregulated in various malignancies. However, its expression in colorectal cancer (CRC) is still unknown. In the present study, we examined the expression and biological function of TRIM59 in CRC. We analyzed CRC tissues and cells by quantitative real-time polymerase chain reaction. Kaplan-Meier survival analysis was used to evaluate the prognostic significance of TRIM59 in CRC patients. Furthermore, we investigated the role of TRIM59 in CRC growth and metastasis...
May 22, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28534981/loss-of-csmd1-expression-disrupts-mammary-duct-formation-while-enhancing-proliferation-migration-and-invasion
#9
Mohamed Kamal, Deborah L Holliday, Ewan E Morrison, Valerie Speirs, Carmel Toomes, Sandra M Bell
The CUB and sushi multiple domains 1 (CSMD1) gene maps to chromosome 8p23, a region deleted in many cancers. Loss of CSMD1 expression is associated with poor prognosis in breast cancer suggesting that it acts as a tumour suppressor in this cancer. However, the function of CSMD1 is largely unknown. Herein, we investigated CSMD1 functions in cell line models. CSMD1 expression was suppressed in MCF10A and LNCaP cells using short hairpin RNA. Functional assays were performed focusing on the 'normal' MCF10A cell line...
May 22, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28534959/microrna-200c-regulates-cisplatin-resistance-by-targeting-zeb2-in-human-gastric-cancer-cells
#10
Tao Jiang, Pengfei Dong, Long Li, Xiao Ma, Pei Xu, He Zhu, Yanqiu Wang, Baotong Yang, Kuangge Liu, Jinwei Liu, Juan Xue, Runzhe Lv, Panke Su, Guoqiang Kong, Yongchao Chang, Chonggao Zhao, Lidong Wang
This study was specifically designed to confirm the hypothesis that microRNA-200c (miR-200c) affects the development of cisplatin (DDP) resistance in human gastric cancer cells by targeting zinc finger E-box binding homeobox 2 (ZEB2). A total of 50 gastric cancer tissues and their corresponding normal adjacent tissue samples were collected. Then, the expression levels of miR-200c and ZEB2 in both gastric cancer specimens and cells were detected using the quantitative real-time reverse transcription-polymerase chain reaction (qRT-PCR) and immunohistochemical methods...
May 22, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28535015/the-circadian-clock-gene-per2-plays-an-important-role-in-tumor-suppression-through-regulating-tumor-associated-genes-in-human-oral-squamous-cell-carcinoma
#11
Xiaoli Su, Dan Chen, Kai Yang, Qin Zhao, Dan Zhao, Xiaoqiang Lv, Yiran Ao
Low expression of the clock gene PER2 is closely related to carcinogenesis and the development of cancer; however, the mechanism of the low expression of PER2 that led to cell malignant transformation remains unclear. This study used RNA interference (RNAi) technology to silence PER2 in SCC15 human oral squamous cell carcinoma (OSCC) cells. Then it was found that the ability of cancer cell proliferation, migration, and invasion were markedly increased (P<0.05), and the ability of cancer cell apoptosis and the number of cells in G1/G0 phase were markedly reduced (P<0...
May 19, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28534996/ginsenoside-rd-regulates-the-akt-mtor-p70s6k-signaling-cascade-and-suppresses-angiogenesis-and-breast-tumor-growth
#12
Eryun Zhang, Hailian Shi, Li Yang, Xiaojun Wu, Zhengtao Wang
Blockade of angiogenesis is an important approach for cancer treatment and prevention. In the present study, we investigated the effect of ginsenoside Rd (Rd) on angiogenesis in vitro and in vivo. Our results demonstrated that Rd inhibited vascular endothelial growth factor (VEGF)-induced migration, tube formation and proliferation of primary cultured human umbilical vascular endothelial cells (HUVECs) dose‑dependently. Furthermore, Rd abrogated VEGF-induced sprouting of the vessels from aortic rings, and inhibited vascular formation in the Matrigel plug assay in vivo...
May 19, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28534976/mir-130b-regulates-the-proliferation-invasion-and-apoptosis-of-glioma-cells-via-targeting-of-cyld
#13
Zhi-Qiang Xiao, Teng-Kun Yin, Ya-Xing Li, Jian-He Zhang, Jian-Jun Gu
MicroRNAs are short non-coding RNAs that play important roles in gliomas. However, the role of miR-130b in glioma remains unclear. In the present study, miR-130b expression was upregulated in glioma tissues and cell lines. Kaplan-Meier analysis indicated that the upregulation of miR-130b expression correlated with poor prognoses in glioma patients. Multivariate analysis demonstrated that this upregulation and a high-grade classification were independent factors that both predicted poor outcomes for glioma patients...
May 19, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28535016/nherf1-inhibits-proliferation-of-triple-negative-breast-cancer-cells-by-suppressing-gper-signaling
#14
Yan Wang, Zhiqiang Peng, Ran Meng, Tao Tao, Qiqi Wang, Chunjuan Zhao, Hua Liu, Ran Song, Junfang Zheng, Qiong Qin, Junqi He
G protein-coupled estrogen receptor (GPER) signaling is activated in triple-negative breast cancer (TNBC); however, the detailed mechanisms of its regulation remain unclear. The present study aimed to elucidate the molecular mechanisms involved in GPER activation in TNBC. In MDA-MB-231 cells, a TNBC cell line, NHERF1 interaction with GPER was verified by co-immunoprecipitation and immunofluorescent staining assays. Overexpression of NHERF1 in MDA-MB-231 cells inhibited GPER-mediated proliferation and phosphorylation of ERK1/2 and Akt...
May 18, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28534994/amplification-and-the-clinical-significance-of-circulating-cell-free-dna-of-pvt1-in-breast-cancer
#15
Xujing Li, Weijuan Chen, Hui Wang, Qun Wei, Xiaodi Ding, Wentong Li
Duplication in the chromosome 8q24 region is a frequent occurrence in carcinomas. The PVT1 oncogene (PVT1), a long non-coding RNA, is found in this locus. PVT1 amplification is a frequent event in cancers, such as in lymphomas, serous ovarian, colorectal and breast cancers. Ectopic PVT1 expression is related with reduced survival duration in cancer patients. in the present study, we proved that PVT1 is markedly augmented in breast cancer tissues compared with adjacent non-tumorous tissues. Thus, PVT1 is an independent prognostic factor for the survival duration of breast cancer patients...
May 18, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28534965/cucurbitacin%C3%A2-b-induces-autophagy-and-apoptosis-by-suppressing-cip2a-pp2a-mtorc1-signaling-axis-in-human-cisplatin-resistant-gastric-cancer-cells
#16
Xuewen Liu, Chao Duan, Juanli Ji, Te Zhang, Xiaoning Yuan, Yunfei Zhang, Wenjing Ma, Jingyuan Yang, Linsen Yang, Zhiguo Jiang, Huiliang Yu, Ying Liu
Cancerous inhibitor of protein phosphatase 2A (CIP2A) is a human oncoprotein that is overexpressed in multiple kinds of tumors including gastric cancer (GC). Mammalian target of rapamycin complex 1 (mTORC1) over-activation is detected in GC and many other cancers. Previous study found that CIP2A/mTORC1 controls cell growth and autophagy through direct association. CIP2A plays an 'oncogenic nexus' in several cancer types to participate in the tumorigenic transformation and chemoresistance. In the present study, we investigated whether Cucurbitacin B (CuB), a natural compound found in Cucurbitaceae, can be used in cisplatin (DDP)-resistant human GC cell line SGC7901/DDP...
May 18, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28535011/tumor-growth-limited-to-subcutaneous-site-vs-tumor-growth-in-pulmonary-site-exhibit-differential-effects-on-systemic-immunities
#17
Junko Masuda, Eiji Takayama, Warren Strober, Ayano Satoh, Yuji Morimoto, Yasuko Honjo, Tatsuo Ichinohe, Shin-Ichi Tokuno, Toshiaki Ishizuka, Takahiro Nakata, Akifumi Mizutani, Naoki Umemura, Atsushi Kitani, Ivan J Fuss, Tsukasa Shigehiro, Harumi Kawaki, Masako Mizuno-Kamiya, Nobuo Kondoh, Masaharu Seno
To evaluate systemic immunity associated with tumor growth limited to a subcutaneous site versus growth proceeding at multiple tumor sites, we established syngeneic mouse subcutaneous and pulmonary tumor models by local subcutaneous and intravenous injection of colon carcinoma CT26 cells. We found that splenic myeloid-derived suppressor cell (MDSC) levels were significantly increased in the subcutaneous tumor model but not in the pulmonary tumor model. Furthermore, both CD4+ and CD8+ T cells as well as CD4+ Foxp3+ T cells were significantly decreased in the subcutaneous tumor model and were largely unchanged in the pulmonary tumor model...
May 17, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28534979/high-expression-of-piwil2-promotes-tumor-cell-proliferation-migration-and-predicts-a-poor-prognosis-in-glioma
#18
Jinquan Li, Li Xu, Zhen Bao, Peng Xu, Hao Chang, Jingjing Wu, Yuanqi Bei, Liuwan Xia, Peizhang Wu, Gang Cui
Piwi-like RNA-mediated gene silencing 2 (PIWIL2), has been reported as an oncogene tightly associated with the genesis and progression of various malignancies. Nevertheless, the function of the PIWIL2 protein in human gliomas has not yet been clarified. In this study, we sought to investigate the clinical significance of PIWIL2 expression and reveal its function in the pathological process of gliomas. Through western blot and immunohistochemical analyses we found that PIWIL2 was overexpressed in glioma tissues...
May 17, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28534988/p21-activated-protein-kinase-1-induces-the-invasion-of-gastric-cancer-cells-through-c-jun-nh2-terminal-kinase-mediated-activation-of-matrix-metalloproteinase-2
#19
Liang-Hui Li, Guo-Yang Wu, Yi-Zhuo Lu, Xue-Hua Chen, Bing-Ya Liu, Min-Hua Zheng, Jian-Chun Cai
Gastric cancer (GC) is one of the most common malignancies worldwide. The prognosis of GC is poor, mostly due to widespread metastasis. p21-activated kinase 1 (Pak1), the best characterized member of an evolutionarily conserved family of serine/threonine kinases, plays an important role in the regulation of cell morphogenesis, motility, mitosis and angiogenesis. By qRT-PCR and Gelatin zymograph assay, we demonstrated in the present study that stable overexpression of Pak1 induced matrix metalloproteinase (MMP)-2 mRNA expression and activity in the human MKN45 GC cell line...
May 16, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28534968/functional-significance-of-the-long-non-coding-rna-rp11-169d4-1-as-a-metastasis-suppressor-in-laryngeal-squamous-cell-carcinoma-by-regulating-cdh1
#20
Jing Zhao, Kexing Lv, Zeng-Hong Li, Jianhui Wu, Wei Gao, Thian-Sze Wong, Jie Luo, Hao Qin, Bin Wang, Qingling Fu, Wen-Bin Lei
The present study investigated the expression profile and the function of RP11-169D4.1 and explored its potential mechanisms in laryngeal squamous cell carcinoma. The biological function of RP11-169D4.1 was examined using the MTT assay, flow cytometric analysis, wound healing and transwell assays. The relationship between RP11-169D4.1 and miR-205-5p was discovered by Argonaute 2 protein immunoprecipitation. The target gene of RP11-169D4.1 was CDH1 which was assessed by Pearson's correlation analysis, RT-PCR and western blot assay...
May 16, 2017: Oncology Reports
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