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Oncology Reports

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https://www.readbyqxmd.com/read/28393256/tetrandrine-inhibits-the-proliferation-of-human-osteosarcoma-cells-by-upregulating-the-pten-pathway
#1
Dong-Dong Tian, Ran-Xi Zhang, Nian Wu, Wei Yuan, Shuai-Hong Luo, Hou-Qing Chen, Yang Liu, Yang Wang, Bai-Cheng He, Zhong-Liang Deng
Tetrandrine (TET) is a natural product isolated from the Chinese herb Stephania tetrandra S. Moore and has been reported to have antiproliferation and apoptosis-inducing activity in various malignant tumor cells. However, the exact molecular mechanisms underlying these effects remain unclear. In the present study, we tested the antiproliferation effect of TET on osteosarcoma (OS) 143B cells and explored the possible potential molecular mechanism in this process. Using CCK-8 assay and flow cytometry, we found that TET inhibited proliferation, induced apoptosis and arrested the cell cycle of the 143B cells...
April 6, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28393253/recombinant-adenovirus-of-sea-and-cd80-genes-driven-by-mmre-and-mouse-tert-promoter-induce-effective-antitumor-immune-responses-against-different-types-of-tumor-cells-in%C3%A2-vitro-and-in%C3%A2-vivo
#2
Shao-Yan Si, Jun-Li Liu, Jun-Lian Liu, Bing-Xin Xu, Jian-Zhong Li, Ya-Ya Qin, Shu-Jun Song
Staphylococcus enterotoxin A (SEA) is a powerful immunostimulant and can stimulate T cells bearing certain T-cell receptor β-chain variable regions when bound to major histocompatibility complex II molecules. SEA is widely used in research of antitumor therapy. The low affinity T-cell receptor (TCR) interaction with SEA in the absence of MHC class II antigens is sufficient for the induction of cytotoxicity but requires additional CD28/B7 signaling to result in proliferation of resting T cells. In this study, we constructed recombinant adenovirus (named as Ad-MMRE-mTERT-BIS) carrying membrane-expressing SEA (named as SEAtm) and CD80 driven by Myc-Max response elements (MMRE) and mouse telomerase reverse transcriptase (mTERT) promoter to reduce toxicity and to improve safety and efficiency...
April 6, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28393236/metabolomic-analysis-of-the-saliva-of-japanese-patients-with-oral-squamous-cell-carcinoma
#3
Mitsuyoshi Ohshima, Keisuke Sugahara, Kiyohiro Kasahara, Akira Katakura
The aim of the present study was to characterize the metabolic systems in Japanese patients with oral squamous cell carcinoma (OSCC) using capillary electrophoresis-mass spectrometry (CE-MS) metabolome analysis of saliva samples. A previous study showed variations among ethnicities and tumor sites in the saliva metabolome of patients with OSCC using CE-MS. In the present study, saliva was obtained from 22 Japanese patients with OSCC and from 21 healthy controls who visited the Department of Dentistry, Oral and Maxillofacial Surgery, Tokyo Dental Collage Ichikawa General Hospital, Tokyo, Japan, and all samples were subject to comprehensive quantitative metabolome analysis using CE-MS...
April 6, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28393233/assessment-of-th17-lymphocytes-and-cytokine-il%C3%A2-17a-in-epithelial-ovarian-tumors
#4
Izabela Winkler, Maria Pyszniak, Katarzyna Pogoda, Andrzej Semczuk, Marek Gogacz, Paweł Miotla, Aneta Adamiak, Dorota Darmochwal-Kolarz, Tomasz Rechberger, Jacek Tabarkiewicz
The present study was carried out to assess the percentage of T helper 17 (Th17) lymphocytes in blood and tissue and IL-17A serum concentrations in patients with epithelial ovarian tumors. Two isoforms, IL-17A and IL-17F, as well as IL-21 and IL-22, were simultaneously investigated. The study group consisted of 60 women affected by epithelial ovarian tumors (benign, borderline and malignant) and 20 women without ovarian pathology as a control group. The evaluation of the percentage of Th17 cells secreting IL-17A, IL-17F, IL-21 and IL-22 in peripheral blood and tumor tissues was performed using flow cytometry applying a Th17 cytokine staining panel...
April 6, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28393231/sulforaphane-cysteine-induces-apoptosis-by-sustained-activation-of-erk1-2-and-caspase%C3%A2-3-in-human-glioblastoma-u373mg-and-u87mg-cells
#5
Sai Wu, Yan Zhou, Gaoxiang Yang, Hua Tian, Yang Geng, Yabin Hu, Kai Lin, Wei Wu
We previously demonstrated that sulforaphane (SFN) inhibited invasion via sustained activation of ERK1/2 in human glioblastoma cells. However, sulforaphane-cysteine (SFN-Cys), an analog of SFN, enriched in plasma with longer half-life, had more potentiality to induce apoptosis. Here we investigated the molecular mechanisms of SFN-Cys-induced apoptosis in human glioblastoma U373MG and U87MG cells. Cell viability assay showed that SFN-Cys inhibited cell viability in a dose-dependent manner. Cell morphology observation also showed SFN-Cys increased the phenotype of cell death in a dose-dependent manner...
April 6, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28393252/high-expression-of-atonal-homolog-8-predicts-a-poor-clinical-outcome-in-patients-with-colorectal-cancer-and-contributes-to-tumor-progression
#6
Mengsi Ye, Yun He, Hao Lin, Shouxing Yang, Yuhui Zhou, Lingling Zhou, Jinwei Zhong, Guangrong Lu, Jihang Zheng, Zhan-Xiong Xue, Zhen-Zhai Cai
Hitherto, it has been identified that numerous basic-helix-loop-helix (bHLH) transcription factors play vital roles in tumor initiation and progression. Atonal homolog 8 (ATOH8) is a member of the bHLH family of transcription factors, which participates in embryogenesis and the development of various tissues. Several studies have demonstrated that ATOH8 is involved in the progression of malignancies; however, the effects of ATOH8 in colorectal cancer (CRC) remain unknown. The aim of the present study was to explore the expression and function of ATOH8 in CRC...
April 5, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28393234/downregulation-of-tnfaip2-suppresses-proliferation-and-metastasis-in-esophageal-squamous-cell-carcinoma-through-activation-of-the-wnt-%C3%AE-catenin-signaling-pathway
#7
Yunbo Xie, Bin Wang
Tumor necrosis factor-α (TNF-α) plays a pivotal role in malignant tumor formation in the tumor microenvironment. To investigate the role of TNF-α in esophageal squamous cell carcinoma (ESCC), we assessed expression profiles of the downstream gene TNF-α-induced protein 2 (TNFAIP2), which e previously unknown in ESCC. TNFAIP2 mRNA and protein expression levels were examined by qRT-PCR and immunohistochemical analysis in 24 fresh and 55 paraffin‑embedded specimens, respectively. The results demonstrated that TNFAIP2 mRNA and protein levels were overexpressed in tumor cells, and TNFAIP2 overexpression was significantly associated with T stage (p=0...
April 5, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28393224/overexpression-of-p53-protein-is-a-marker-of-poor-prognosis-in-mexican-women-with-breast-cancer
#8
Jisela Dimas-González, Vilma Maldonado-Lagunas, José Díaz-Chávez, María Eugenia López-Arellano, José Muñoz-Camacho, Marco Antonio Terán-Porcayo, Alfredo Lagunas-Martínez
Breast cancer (BC) is a disease with different clinical, histological and molecular characteristics, frequently presenting mutated tumour-suppressing genes and oncogenes. P53 is a known tumour suppressor that is often mutated in BC; several mutations in p53 inhibit its role as a transcriptional repressor of several oncogenes. Topoisomerase 2α (TOP2α) is a gene target of p53, and it is also a known target for anthracyclines. The aim of the present study, was to analyse the genetic alterations of p53 and TOP2α genes and their levels of protein expression, as well as their association with survival in Mexican women with BC...
April 5, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28393222/overexpression-of-rip140-suppresses-the-malignant-potential-of-hepatocellular-carcinoma-by-inhibiting-nf%C3%A2-%C3%AE%C2%BAb%C3%A2-mediated-alternative-polarization-of-macrophages
#9
Ying-Chun Hu, Zhu-Jun Yi, Yun Zhou, Pei-Zhi Li, Zuo-Jin Liu, Shi-Gang Duan, Jian-Ping Gong
Tumor-associated macrophages (TAMs) and their alternative activation contribute greatly to the development of hepatocellular carcinoma (HCC). Receptor-interacting protein 140 (RIP140) is widely expressed in macrophages and regulates macrophage-mediated energy metabolism, the inflammatory response and tumorigenesis. However, whether RIP140 is involved in the activation of TAMs has not been reported. In the present study, we determined the expression of RIP140 in macrophages after treatment with HCC-conditioned medium (HCM) for 24 h...
April 5, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28393204/inverse-relationship-between-insulin-receptor-expression-and-progression-in-renal-cell-carcinoma
#10
Makoto Takahashi, Takamitsu Inoue, Mingguo Huang, Kazuyuki Numakura, Hiroshi Tsuruta, Mitsuru Saito, Atsushi Maeno, Eijiro Nakamura, Shintaro Narita, Norihiko Tsuchiya, Tomonori Habuchi
We investigated the relationship among serum insulin level, insulin receptor (IR) expression in renal cell carcinoma (RCC), and outcomes in patients with RCC who underwent nephrectomy. We also explored the role of insulin signaling in RCC progression in a murine RCC allograft RENCA model using metformin to treat hyperinsulinemia induced by a high-carbohydrate diet. Clinically, the IR expression level in RCC tissue was significantly lower in patients with tumor stage pT2-4 and/or distant metastases. The IR expression level in RCC tissue was significantly lower in patients with preoperative serum C-peptide levels greater than or equal to the median than in patients with levels less than the median...
April 5, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28393196/preparation-of-human-single-chain-variable-fragment-antibodies-against-anaplastic-thyroid-carcinoma-and-single-photon-emission%C3%A2-computed-tomography-computed-tomography-imaging-in-tumor-bearing-nude-mice
#11
Qian Liu, Hua Pang, Qiong Liu, Jing Zhou, Ying Liu
Anaplastic thyroid carcinoma (ATC) is the most aggressive malignant thyroid tumor with the worst prognosis, and the response to treatment is poor. We investigated soluble human single-chain variable fragment (scFv) which provides unique information for diagnostics, and for monitoring and optimizing responses to therapy. Enzyme-linked immunosorbent assay (ELISA) was used to detect the expression of scFv. The expression and relative molecular mass of soluble scFv were assessed by sodium dodecyl sulfate‑polyacrylamide gel electrophoresis (SDS-PAGE) and western blotting, respectively...
April 5, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28394001/pharmacokinetics-biodistribution-and-antitumour-effects-of-sclerotium-rolfsii-lectin-in-mice
#12
S Anupama, Preeti Laha, Mamta Sharma, Kamal Pathak, Sanjay Bane, Arvind D Ingle, Vikram Gota, Rajiv D Kalraiya, Lu-Gang Yu, Jonathan M Rhodes, Bale M Swamy, Shashikala R Inamdar
Sclerotium rolfsii lectin (SRL) is a lectin isolated from the fungus Sclerotium rolfsii and has exquisite binding specificity towards the oncofetal Thomsen-Friedenreich antigen (TF-Ag; Galβ1-3GalNAcα-O-Ser/Thr) and its derivatives. Previous studies have shown that SRL inhibits the proliferation of human colon, breast and ovarian cancer cells in vitro and suppresses tumour growth in mice when introduced intratumourally. The present study assessed the effect of SRL on tumour growth when introduced intraperitoneally in BALB/c nude mice and investigated the pharmacokinetics and biodistribution of SRL in Swiss albino mice...
April 3, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28393215/mir-539-inhibits-fscn1-expression-and-suppresses-hepatocellular-carcinoma-migration-and-invasion
#13
Yanping Liu, Wei Hong, Cancan Zhou, Zhengdong Jiang, Guanghui Wang, Guangbing Wei, Xuqi Li
Increasing evidence indicates that the dysregulation of miRNAs that act as tumor suppressors or oncogenes is involved in tumorigenesis. However, the role of miR-539 in hepatocellular carcinoma (HCC) has not been well investigated. Quantitative RT-PCR (qRT-PCR), proliferation assay, colony formation assay, migration and invasion assays, western blotting, and xenograft tumor growth models were performed to assess the expression levels and functions of miR-539 in HCC. Luciferase reporter assays, qRT-PCR, western blotting, and immunohistochemistry were used to identify and verify the targets of miR-539...
April 3, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28393200/microrna-187-modulates-epithelial-mesenchymal-transition-by-targeting-ptrf-in-non-small-cell-lung-cancer
#14
Yanjun Cai, Jian Ruan, Xueqing Yao, Liang Zhao, Baocheng Wang
MicroRNAs (miRNAs) that negatively regulate gene expression play a key role in the development and progression of cancer. Aberrant expression of hsa-miR-187 (miR-187) has been reported in various malignancies. However, the function of miR-187 in tumor progression remains controversial and its role in non-small cell lung cancer (NSCLC) is poorly understood. In the present study, the role of miR-187 in the progression of NSCLC was investigated. Our results revealed that miR-187 was frequently upregulated in NSCLC tissues and cells...
April 3, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28393193/mir-107-functions-as-a-tumor-suppressor-in-human-esophageal-squamous-cell-carcinoma-and-targets-cdc42
#15
Priyanka Sharma, Neeru Saini, Rinu Sharma
Previously, we reported significantly decreased expression of tissue and circulating miR-107 in esophageal cancer (EC). However, its role in esophageal tumorigenesis still remains elusive. Therefore, the aim of the present study was to analyze the role of miR-107 in esophageal squamous cell carcinoma (ESCC). The role of miR-107 in ESCC was evaluated using MTT assay, cell cycle analysis by flow cytometry, annexin assay, colony formation assay and scratch assay. Overexpression of miR-107 in KYSE-410 cells suppressed cell proliferation at 72 h post-transfection (p=0...
April 3, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28393246/the-downstream-of-tyrosine-kinase-7-is-reduced-in-lung-cancer-and-is-associated-with-poor-survival-of-patients-with-lung-cancer
#16
Gang Chen, Hefen Yu, Lucy Satherley, Catherine Zabkiewicz, Jeyna Resaul, Huishan Zhao, Hu Mu, Xiuyi Zhi, Junqi He, Lin Ye, Wen G Jiang
The downstream of tyrosine kinase 7 (DOK7) is an adaptor protein mediating signalling transduction between receptors and intracellular downstream molecules. Reduced expression of DOK7 has been observed in breast cancer. The present study aimed to investigate the role played by DOK7 in lung cancer. The expression of DOK7 at both mRNA and protein levels was evaluated in human lung cancer. A reduced expression of DOK7 transcripts was seen in lung cancers compared with normal lung tissues. Kaplan-Meier analyses showed that the reduced expression of DOK7 was associated with poorer overall survival and progression-free survival of patients with lung cancer...
March 31, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28393229/dysregulated-mir-27a-3p-promotes-nasopharyngeal-carcinoma-cell-proliferation-and-migration-by-targeting-mapk10
#17
Lihua Li, Zhaohui Luo
miRNA-27a-3p is an important regulator of carcinogenesis and other pathological processes. However, its role in laryngeal carcinoma is still unknown. In our previous research, we found that miR-27a-3p expression was upregulated in nasopharyngeal carcinoma (NPC) using a microarray chip. In the present study, we identified miR-27a-3p as an endogenous promoter of metastatic invasion. The expression levels of miR-27a-3p were correlated with human metastatic progression outcomes and Kaplan-Meier survival. In silico database analyses revealed that Mapk10 is a potential target of miR-27a-3p, and luciferase reporter assay results revealed that miR-27a-3p directly inhibits the Mapk10 3' untranslated region (3'UTR)...
March 31, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28393186/a-novel-5-fluorouracil-resistant-human-esophageal-squamous-cell-carcinoma-cell-line-eca-109-5-fu-with-significant-drug-resistance-related-characteristics
#18
Chi Zhang, Qunfeng Ma, Yinan Shi, Xue Li, Ming Wang, Junfeng Wang, Jianlin Ge, Zhinan Chen, Ziling Wang, Hong Jiang
5-Fluorouracil (5-FU) is used for the clinical treatment of esophageal squamous cell carcinomas (ESCCs), yet it also induces chemoresistant cancer cells during treatment, which leads to the failure of the therapy. To further explore the resistance mechanism of 5-FU in ESCC, we established the 5-FU-resistant ESCC cell line Eca-109/5-FU, which was prepared by the stepwise exposure to increasing 5-FU concentrations. MTT assay and nude mouse xenograft models were used to test the drug resistance and proliferation of Eca-109 and Eca-109/5-FU cells in vitro and in vivo...
March 31, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28358423/circulating-microrna-194-regulates-human-melanoma-cells-via-pi3k-akt-foxo3a-and-p53-p21-signaling-pathway
#19
Ming Bai, Mingzi Zhang, Fei Long, Nanze Yu, Ang Zeng, Ru Zhao
In the present study, we analyzed the role of microRNA-194 circulating regulated human melanoma cell growth. We found that microRNA-194 expression was markedly suppressed in human melanoma patients, compared with negative control group. Next, disease-free survival (DFS) and overall survival (OS) of high expression in human melanoma patients was higher than those of low expression in human melanoma patients. MicroRNA-194 overexpression inhibited cell proliferation, induced apoptosis, increased caspase-3/-9 activities and promoted Bax/Bcl-2 of human melanoma cells...
March 30, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28358435/clinical-significance-of-t-cell-clonality-and-expression-levels-of-immune-related-genes-in-endometrial-cancer
#20
Yuji Ikeda, Kazuma Kiyotani, Poh Yin Yew, Sho Sato, Yuichi Imai, Rui Yamaguchi, Satoru Miyano, Keiichi Fujiwara, Kosei Hasegawa, Yusuke Nakamura
Immune microenvironment characterized by T cell clonality as well as expression signatures of immune-related genes in endometrial cancer tissues may play significant roles in clinical outcome of patients. We aimed to investigate the clinical significance of immune-related gene expression and TCR repertoire in endometrial cancer. Using total RNAs extracted from 32 endometrioid endometrial cancer cases, we performed quantitative real-time PCR to measure mRNA expression levels of immune-related genes including TRB, CD8, GZMA, HLA-A, CD11c and PD-L1...
March 29, 2017: Oncology Reports
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