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Oncology Letters

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https://www.readbyqxmd.com/read/29181107/investigation-of-fusion-gene-expression-in-hct116-cells
#1
Yanmei Zhang, Juan Ren, Mengdie Fang, Xiaoju Wang
Colon cancer is the most common type of gastrointestinal cancer. A number of specific and sensitive biomarkers facilitate the diagnosis and monitoring of patients with colon cancer. Fusion genes are typically identified in cancer and a majority of the newly identified fusion genes are oncogenic in nature. Therefore, fusion genes are potential biomarkers and/or therapy targets in cancer. In the present study, the regulation of specific candidate fusion genes were investigated using Brother of the Regulator of Imprinted Sites (BORIS) in the HCT116 colon cancer cell line, which is a paralog of the fusion gene regulator CCCTC-binding factor (CTCF)...
December 2017: Oncology Letters
https://www.readbyqxmd.com/read/29181106/aldh-enzyme-activity-is-regulated-by-nodal-and-histamine-in-the-a549-cell-line
#2
Yang Jiang, Hui Li, Yi Wang, Tian Tian, Yan He, Yinji Jin, Changsong Han, Xiaoming Jin, Fengmin Zhang, Eiichi Morii
The present study aimed to examine whether the enzyme activity of aldehyde dehydrogenase (ALDH) was regulated by Nodal and histamine in the human alveolar adenocarcinoma A549 cell line. The regulated enzyme activity of ALDH was analyzed by flow cytometry in the A549 cell line. ALDH1 and Nodal expression was investigated by immunohistochemistry in28 cases of lung mixed adenocarcinoma. The enzyme activity of ALDH was upregulated by histamine and agonists of histamine H1 receptor (H1R) and histamine H2 receptor (H2R)...
December 2017: Oncology Letters
https://www.readbyqxmd.com/read/29181105/overexpression-of-long-non-coding-rna-colon-cancer-associated-transcript-2-is-associated-with-advanced-tumor-progression-and-poor-prognosis-in-patients-with-colorectal-cancer
#3
Junling Zhang, Yong Jiang, Jing Zhu, Tao Wu, Ju Ma, Chuang Du, Shanwen Chen, Tengyu Li, Jinsheng Han, Xin Wang
The aim of the present study was to explore the clinicopathological and prognostic significance of long non-coding RNA (lncRNA) colon cancer-associated transcript 2 (CCAT2) expression in human colorectal cancer (CRC). Expression levels of lncRNA CCAT2 in CRC, adjacent non-tumor and healthy colon mucosa tissues were detected by quantitative polymerase chain reaction. The disease-free survival and overall survival rates were evaluated using the Kaplan-Meier method, and multivariate analysis was performed using Cox proportional hazard analysis...
December 2017: Oncology Letters
https://www.readbyqxmd.com/read/29181104/recombinant-human-adenovirus-p53-improves-the-outcome-of-mid-late-stage-pancreatic-cancer-via-arterial-infusion
#4
Jinggang Mo, Meihua Lin, Bin He, Kai Tan, Chong Jin, Hao Jiang, Xuefeng Pan, Weidong Lin
The present study aimed to investigate the therapeutic efficacy and clinical value of recombinant human adenovirus-p53 (rAd-p53) perfusion via the pancreatic artery for the treatment of mid-late stage pancreatic cancer. rAd-p53 (2×1012 virus particles) in 6 ml normal saline was pushed (intravenous bolus) into the gastroduodenal and superior pancreaticoduodenal arteries via interventional superselection, with the catheter retained for subsequent drug administration at a 3-day interval for 4 cycles. Tumor changes in all patients were observed to evaluate tumor response by computed tomography (CT) at 2, 8 and 16 weeks post-treatment...
December 2017: Oncology Letters
https://www.readbyqxmd.com/read/29181103/myxoid-liposarcoma-with-cartilaginous-differentiation-showing-ddit3-rearrangement
#5
Kayo Suzuki, Taketoshi Yasuda, Kenta Watanabe, Takeshi Hori, Masahiko Kanamori, Tomoatsu Kimura
Myxoid liposarcoma (MLPS) is the second most common histologic subtype of liposarcoma. However, cartilaginous differentiation within MLPS is an extremely rare phenomenon, with only 7 cases of MLPS with cartilaginous differentiation reported to date. The majority of MLPS cases show the t(12;16)(q13;p11) translocation, resulting in the fused in sarcoma-DNA damage-inducible transcript 3 (FUS-DDIT3) fusion gene. This fusion gene as a hallmark of MLPS is very useful for differential diagnosis from other soft tissue sarcomas, and the associated protein, FUS-DDIT3, performs an important role in the phenotypic selection of targeted multipotent mesenchymal cells during oncogenesis...
December 2017: Oncology Letters
https://www.readbyqxmd.com/read/29181102/microrna-1271-inhibits-cellular-proliferation-of-hepatocellular-carcinoma
#6
Andong Qin, Jiehua Zhu, Xingxiang Liu, Dongxiao Zeng, Maolin Gu, Chun Lv
Hepatocellular carcinoma (HCC) is one of the most common causes of cancer-associated mortality worldwide, particularly in China. MicroRNAs (miRs) serve important roles in the pathogenesis of HCC. The present study investigated the function of miR-1271 in HCC. The miR-1271 levels were analyzed by quantitative reverse transcription polymerase chain reaction. Cells growth was examined by MTT assay. Bioinformatics algorithms from TargetScanHuman were used to predict the target genes of miR-1271. The protein level was assayed by western blotting...
December 2017: Oncology Letters
https://www.readbyqxmd.com/read/29181101/downregulation-of-nuclear-and-cytoplasmic-chibby-is-associated-with-advanced-cervical-cancer
#7
Ming-Chang Yang, Shang-Tao Chien, Tzu-Feng Yang, Shih-Yi Lin, Tai-Min Lee, Yi-Ren Hong
Chibby has been identified as a putative tumor suppressor and antagonist to β-catenin, thereby controlling the Wnt signaling pathway. Chibby is typically downregulated in numerous types of cancer and may be associated with tumorigenesis. The present study aimed at clarifying the following: i) Whether Chibby antagonizes β-catenin in cervical cancer; ii) whether Chibby and β-catenin mRNA expression is associated with cancer progression; and iii) whether Chibby and β-catenin expression may be used as a biomarker...
December 2017: Oncology Letters
https://www.readbyqxmd.com/read/29181100/kinesin-family-member-11-contributes-to-the-progression-and-prognosis-of-human-breast-cancer
#8
Yuan-Yuan Pei, Gao-Chi Li, Jian Ran, Feng-Xiang Wei
The present study aimed to clarify the association between kinesin family member 11 (KIF11) and human breast cancer, and the effect of KIF11 on breast cancer cell progression. Western blot analysis, reverse transcription-quantitative polymerase chain reaction (RT-qPCR) analysis, retroviral infection, immunohistochemistry staining, MTT assay, anchorage-independent growth ability assay and tumorigenicity assay were all used in the present study. Western blot and RT-qPCR analysis revealed that the expression of KIF11 was markedly increased in malignant cells compared with that in non-tumorous cells at the mRNA and protein level...
December 2017: Oncology Letters
https://www.readbyqxmd.com/read/29181099/breast-cancers-with-egfr-and-her2-co-amplification-favor-distant-metastasis-and-poor-clinical-outcome
#9
Peng Guo, Tianjie Pu, Shinan Chen, Yan Qiu, Xiaorong Zhong, Hong Zheng, Lina Chen, Hong Bu, Feng Ye
ErbB signaling serves essential roles in invasive ductal carcinoma (IDC). The aim of the present study was to assess gene amplification in ErbB family members in IDC with clinical implications. Quantitative polymerase chain reaction and fluorescence in situ hybridization were performed on formalin-fixed paraffin-embedded tumor samples for gene amplification detection. The clinical and histopathological characteristics, as well as the prognostic significance, were analyzed. Among the 119 IDC patients evaluated, epidermal growth factor receptor [EGFR; also known as human epidermal growth factor receptor (HER)1], HER2, HER3 and HER4 gene amplification was observed in 30 (25...
December 2017: Oncology Letters
https://www.readbyqxmd.com/read/29181098/characterization-of-hair-follicle-side-population-cells-in-mouse-epidermis-and-skin-tumors
#10
Sun Hye Kim, Christopher Sistrunk, Paula L Miliani de Marval, Marcelo L Rodriguez-Puebla
A subset of cells, termed side-population (SP), which have the ability to efflux Hoeschst 33342, have previously been demonstrated to act as a potential method to isolate stem cells. Numerous stem/progenitor cells have been localized in different regions of the mouse hair follicle (HF). The present study identified a SP in the mouse HF expressing the ABCG2 transporter and MTS24 surface marker. These cells are restricted to the upper isthmus of the HF and have previously been described as progenitor cells. Consistent with their SP characteristic, they demonstrated elevated expression of ABCG2 transporter, which participates in the dye efflux...
December 2017: Oncology Letters
https://www.readbyqxmd.com/read/29181097/stomatin-like-protein-2-is-overexpressed-in-cervical-cancer-and-involved-in-tumor-cell-apoptosis
#11
Huan Deng, Yongjian Deng, Feiye Liu, Jie Chen, Zheng Li, Kelei Zhao, Xiaoqian Guan, Weijiang Liang
Stomatin-like protein 2 (SLP-2) is overexpressed in numerous types of human cancer and previous studies revealed that SLP-2 may function in mitochondria. The purpose of the present study was to evaluate the expression of SLP-2 in cervical cancer and the association between SLP-2 expression and clinical features, in addition to investigating the role of SLP-2 in the apoptosis of cervical cancer cells. The expression profile of SLP-2 was determined by quantitative polymerase chain reaction, western blotting and immunohistochemical staining...
December 2017: Oncology Letters
https://www.readbyqxmd.com/read/29163714/downregulation-of-eukaryotic-initiation-factor-4a1-improves-radiosensitivity-by-delaying-dna-double-strand-break-repair-in-cervical-cancer
#12
Shanhui Liang, Xingzhu Ju, Yuqi Zhou, Yiran Chen, Guihao Ke, Hao Wen, Xiaohua Wu
Expression of eukaryotic initiation factor 4A1 (eIF4A1) following brachytherapy has been reported to predict improved radiosensitivity and tumor-specific survival in cervical cancer. Therefore, the present study investigated the function of eIF4A1 in cervical cancer and the mechanism by which eIF4A1 regulates cervical cancer radiosensitivity. It was determined that the downregulation of eIF4A1 in HeLa and SiHa cells notably attenuated cell proliferation, in addition to repressing cervical cancer migration and invasion, and promoting cell apoptosis...
December 2017: Oncology Letters
https://www.readbyqxmd.com/read/29163713/microrna-154-adam9-axis-inhibits-the-proliferation-migration-and-invasion-of-breast-cancer-cells
#13
Chengwei Qin, Yanming Zhao, Chunzhi Gong, Zhenlin Yang
Breast cancer is the leading cause for cancer-associated mortality in women. Although great progress has been made in the earlier diagnosis and systemic therapy of patients with breast cancer in recent years, recurrence or distant metastasis continue to present major barriers to the successful treatment of breast cancer. Therefore, fully understanding the molecular mechanisms underlying the progression of breast cancer may be critical for the development of effective therapeutic strategies against breast cancer...
December 2017: Oncology Letters
https://www.readbyqxmd.com/read/29163712/combinations-of-elevated-tissue-mirna-17-92-cluster-expression-and-serum-prostate-specific-antigen-as-potential-diagnostic-biomarkers-for-prostate-cancer
#14
Sujuan Feng, Xiaosong Qian, Han Li, Xiaodong Zhang
The aim of the present study was to investigate the effectiveness of the miR-17-92 cluster as a disease progression marker in prostate cancer (PCa). Reverse transcription-quantitative polymerase chain reaction analysis was used to detect the microRNA (miR)-17-92 cluster expression levels in tissues from patients with PCa or benign prostatic hyperplasia (BPH), in addition to in PCa and BPH cell lines. Spearman correlation was used for comparison and estimation of correlations between miRNA expression levels and clinicopathological characteristics such as the Gleason score and prostate-specific antigen (PSA)...
December 2017: Oncology Letters
https://www.readbyqxmd.com/read/29163711/identification-of-a-protein-associated-with-the-activity-of-cytokine-induced-killer-cells
#15
Jingsong Cao, Cong Chen, Yongqiang Gao, Li Hu, Yu Liang, Jianhua Xiao
Cytokine-induced killer cells (CIKs) adoptive immunotherapy for efficient antitumor ability is used clinically, but details regarding the proteins associated with CIK activity remain unclear. In the current study, the cytotoxicity of CIKs on hepatoma was identified to be significantly downregulated by 1.61-fold following gentamincin treatment. Further research revealed that a differentially expressed protein (P43) was significantly downregulated by 1.22-fold using one-dimensional gel electrophoresis analysis...
December 2017: Oncology Letters
https://www.readbyqxmd.com/read/29163710/combination-of-histoculture-drug-response-assay-and-qpcr-as-an-effective-method-to-screen-biomarkers-for-personalized-chemotherapy-in-esophageal-cancer
#16
Bin Wei, Jiru Wang, Xiaohui Zhang, Zhaoye Qian, Jingjing Wu, Yuan Sun, Qin Han, Li Wan, Jing Zhu, Yong Gao, Xiaofei Chen
Personalized chemotherapy with the use of biomarkers helps to maximize clinical efficiency. Therefore, the present study aimed to identify a potential method for identifying biomarkers in esophageal cancer. A total of 49 freshly resected tumor tissues and 72 paraffin-embedded specimens from patients with esophageal cancer were obtained. mRNA expression levels of ERCC1, BRCA1, TUBB3, FBW7, RRM1, MDM2, TS and TOP1 were measured quantitative reverse transcription polymerase chain reaction (RT-qPCR). In vitro chemosensitivity to cisplatin, docetaxel, gemcitabine, etoposide, fluorouracil and irinotecan were tested using histoculture drug response assay (HDRA)...
December 2017: Oncology Letters
https://www.readbyqxmd.com/read/29163709/the-anti-hepatocellular-carcinoma-activity-of-mel-p15-is-mediated-by-natural-killer-cells
#17
Tao Xu, Tongxing Cui, Lipan Peng, Shuai Kong, Jianqiang Zou, Xingsong Tian
Mel-P15 is a peptide derived from melittin, the main toxic component in the venom of the European honeybee Apis mellifera. In the present study, the antitumor effects of Mel-P15 and the underlying molecular mechanisms of these effects in vivo were investigated. Mel-P15 directly stimulated natural killer (NK) cell cytotoxicity in vitro, which was increased to 55.45% at a 4 µg/ml dose of Mel-P15. In the mouse liver cancer (H22) xenograft mice model, Mel-P15 suppressed tumor growth in vivo; the tumor inhibitory rate was 61...
December 2017: Oncology Letters
https://www.readbyqxmd.com/read/29163708/mir-20b-promotes-cellular-proliferation-and-migration-by-directly-regulating-phosphatase-and-tensin-homolog-in-prostate-cancer
#18
Ju Guo, Zewen Xiao, Xingwei Yu, Runfu Cao
MicroRNAs are small non-coding RNAs, which are critical regulators of carcinogenesis and tumor progression. Previous studies have identified that microRNA-20b (miR-20b) acts as an oncogene in numerous cancers. However, the role of miR-20b in prostate cancer remains unclear. The present study aimed to investigate the expression of miR-20b in prostate cancer and to examine whether modulating miR-20b expression impacts prostate cancer cellular proliferation and migration. It was revealed that miR-20b was strongly expressed in prostate cancer tissues compared with adjacent normal prostate tissues (P<0...
December 2017: Oncology Letters
https://www.readbyqxmd.com/read/29163707/n-myc-downstream-regulated-gene-2-restrains-glycolysis-and-glutaminolysis-in-clear-cell-renal-cell-carcinoma
#19
Wei Shi, Xinyuan Xu, Fei Yan, Bao Wang, Hang Zhao, Aaron Chan, Zhen Ren, Yongzheng Ma, Fuli Wang, Jianlin Yuan
Glycolysis and glutaminolysis are heavily involved in the metabolic reprogramming of cancer cells. The activation of oncogenes and inactivation of tumor suppressor genes has a marked effect on the cellular metabolic processes glycolysis and glutaminolysis. N-Myc downstream-regulated gene 2 (NDRG2) is a tumor suppressor gene that previous studies have demonstrated can inhibit the growth, proliferation and metastasis of clear cell renal cell carcinoma (ccRCC) cells. However, the function of NDRG2 in ccRCC metabolism remains unknown...
December 2017: Oncology Letters
https://www.readbyqxmd.com/read/29163706/igfbp-4-expression-is-adversely-associated-with-lung-cancer-prognosis
#20
Yang Xiao, Shan Zhu, Wen Yin, Xiaofan Liu, Yi Hu
Insulin-like growth factor binding protein-4 (IGFBP-4) was reported to be associated with prognosis in several types of cancer; however, to the best of our knowledge, whether it is correlated with lung cancer has yet to be reported. In the present study, 102 pairs of lung cancer tissues and surrounding non-cancerous tissues (SNCTs) were collected. The IGFBP-4 levels in tissues were detected with immunohistochemistry. The relevance of IGFBP-4 to the survival of patients was assessed. The IGFBP-4 gene was knocked down, and its function in the proliferation of lung cancer cells was measured...
December 2017: Oncology Letters
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