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https://www.readbyqxmd.com/read/28454470/terrein-performs-antitumor-functions-on-esophageal-cancer-cells-by-inhibiting-cell-proliferation-and-synergistic-interaction-with-cisplatin
#1
Yanqing Wu, Yinghua Zhu, Shunrong Li, Minhua Zeng, Junjun Chu, Pengnan Hu, Jingjing Li, Qiannan Guo, Xiao-Bin Lv, Guofu Huang
Terrein is a bioactive fungal metabolite isolated from Aspergillus terreus. Besides being a melanogenesis inhibitor, previous studies have revealed that terrein has antiproliferative effects on a number of types of cancer tumors. In the present study, the inhibitory effect of terrein on esophageal cancer was evaluated and the possible underlying mechanisms were investigated. The results revealed that terrein inhibited the proliferation of Eca109 esophageal cancer cells in a dose- and time-dependent manner. Mechanistically, terrein treatment led to the G2/M phase arrest of Eca109 cells by indirectly regulating cyclin B1 and phosphorylating the cell division cycle protein 2 genes...
April 2017: Oncology Letters
https://www.readbyqxmd.com/read/28454447/inhibitory-effect-and-mechanism-of-exogenous-mammalian-sterile-20-like-kinase-1-on-the-growth-of-human-colorectal-cancer
#2
Jian Wu, Xiaohong Yang, Hongfei Lu, Liqiao Liu, Baohua Xu, Shuangyan Zheng, Bo Yu, Kemin Jie, Fusheng Wan
The present study aimed to observe the inhibitory effect and preliminary mechanism of exogenous mammalian sterile 20-like kinase 1 (MST1) on the growth of colorectal cancer SW480 cells. The SW480 cells were randomly divided into the following groups: Control, empty enhanced green fluorescent protein (EGFP) plasmid (pEGFP-N1), MST1 EGFP plasmid (pEGFP-MST1), 20 µmol/l fluorouracil (5-FU) and pEGFP-MST1 + 5-FU. An MTS colorimetric assay was used to detect cell viability, Hoechst 33342 staining was used to observe cell apoptosis, and western blotting and immunohistochemistry were used to detect the levels of the proteins MST1, yes-associated protein (YAP), phospho-YAP1 (Ser127), p53 and p53 upregulated modulator of apoptosis (PUMA)...
April 2017: Oncology Letters
https://www.readbyqxmd.com/read/28454434/f10-a-novel-hydatidiform-mole-associated-gene-inhibits-the-paclitaxel-sensitivity-of-a549-lung-cancer-cells-by-downregulating-bax-and-caspase-3
#3
Yali Song, Wei Cao, Xi Zhu, Zhuolin Qiu, Xiaoping Yang, Jing Liu, Ruoting Xu, Weizhuang Yuan, Song Quan
F10 is a novel hydatidiform mole (HM)-associated gene that was initially identified during a study into the pathogenesis of HMs. However, the role of the F10 gene requires further investigation. Our, previous studies have indicated that F10 may be involved in the malignant transformation of HMs and the development of certain types of adenocarcinoma, and that the overexpression of F10 may lead to excessive proliferation and decreased apoptosis of A549 cells. The present study aimed to investigate whether F10 may suppress the sensitivity of A549 lung cancer cells to paclitaxel therapy...
April 2017: Oncology Letters
https://www.readbyqxmd.com/read/28454423/the-nutritional-herb-epimedium-grandiflorum-inhibits-the-growth-in-a-model-for-the-luminal-a-molecular-subtype-of-breast-cancer
#4
Nitin T Telang, Gou Li, Meena Katdare, Daniel W Sepkovic, H Leon Bradlow, George Y C Wong
The Luminal A subtype of breast cancer expresses the estrogen receptor (ER)-α and progesterone receptor (PR), but not the human epidermal growth factor receptor (HER)-2 oncogene. This subtype of breast cancer responds to endocrine therapy involving the use of selective estrogen receptor modulators and/or inhibitors of estrogen biosynthesis. However, these therapeutic agents are frequently associated with long-term systemic toxicity and acquired tumor resistance, emphasizing the need to identify non-toxic alternative treatments for chemo-endocrine therapy responsive breast cancer...
April 2017: Oncology Letters
https://www.readbyqxmd.com/read/28454387/association-between-wnt-inhibitory-factor-1-and-receptor-tyrosine-kinase-like-orphan-receptor-2-protein-expression-and-the-clinical-pathological-significance-in-benign-and-malignant-pancreatic-lesions
#5
Daoqi Zhu, Zhulin Yang, Ziru Liu, Qiong Zou, Yuan Yuan, Chunhong Hu
Pancreatic cancer is one of the most malignant types of tumor. It is important to elucidate the underlying molecular mechanisms of pancreatic tumorigenesis and to identify novel biomarkers as therapeutic targets of pancreatic cancer. In the present study, the protein expression levels of Wnt inhibitory factor 1 (WIF1) and receptor tyrosine kinase-like orphan receptor 2 (ROR2) were examined in a collection of pancreatic ductal carcinoma and benign pancreatic lesion tissue samples using immunohistochemistry. The positive expression rate of WIF1 protein in pancreatic ductal carcinoma was demonstrated to be significantly decreased compared with that of the paracancerous tissue, benign lesions and wild-type pancreatic tissue (P=0...
April 2017: Oncology Letters
https://www.readbyqxmd.com/read/28454361/microrna-30e-3p-inhibits-cell-invasion-and-migration-in-clear-cell-renal-cell-carcinoma-by-targeting-snail1
#6
Daya Wang, Chao Zhu, Yifan Zhang, Yuenan Zheng, Feiju Ma, Li Su, Guojian Shao
Clear cell renal cell carcinoma (ccRCC) is the most common type of neoplasm affecting the adult kidney. Previous studies on ccRCC have focused on microRNAs, a class of small non-coding RNAs that are important in cancer development and progression. The present study aimed to investigate the potential role of microRNA (miR)-30e-3p in ccRCC. The results revealed that overexpression of miR-30e-3p in the A498 and 786O ccRCC cell lines was able to inhibit cell invasion and migration. The expression level of Snail1, a potential target gene of miR-30e-3p, was inversely correlated with miR-30e-3p expression in ccRCC tissues and cell lines...
April 2017: Oncology Letters
https://www.readbyqxmd.com/read/28454351/the-role-of-quercetin-and-vitamin-c-in-nrf2-dependent-oxidative-stress-production-in-breast-cancer-cells
#7
Zohreh Mostafavi-Pour, Fatemeh Ramezani, Fatemeh Keshavarzi, Nasser Samadi
The balance between the production and elimination of reactive oxygen species (ROS) is essential in determining whether cells survive or undergo apoptosis. Nuclear factor erythroid 2-related factor 2 (Nrf2) may act as a sensor for electrophilic stress, thus regulating the intracellular antioxidant response. The present study investigated the role of vitamin C (VC) and quercetin (Q) in the induction of Nrf2-mediated oxidative stress in cancer cells. An MTT assay was conducted to examine the anti-proliferative effects of VC and Q...
March 2017: Oncology Letters
https://www.readbyqxmd.com/read/28454337/inhibitory-effect-of-ginkgol-c17-1-on-the-biological-behavior-of-tumor-cells
#8
Yueying Li, Jun Liu, Yali Liu, Xiaoming Yang, Bingzhong Huang, Min Chen
Ginkgol C17:1 is a bioactive compound derived from Ginkgo biloba. In the present study, the effect and possible mechanisms of action of Ginkgol C17:1 on the biological behaviors of tumor cells were investigated. Whilst cell proliferation was assessed using the MTT assay, the behaviors of cell migration and invasion were explored using Transwell and modified Transwell assays. The results revealed that Ginkgol C17:1 significantly inhibited the proliferation, migration and invasion of human tumor cells in a dose-dependent manner...
March 2017: Oncology Letters
https://www.readbyqxmd.com/read/28454336/promoter-methylation-and-expression-of-raf-kinase-inhibitory-protein-in-esophageal-squamous-cell-carcinoma
#9
Hong Wei, Zhijun Liu, Hongyan She, Baoguo Liu, Junxia Gu, Dongmin Wei, Xiangyang Zhang, Jiufeng Wang, Shujing Qi, Fumin Ping
Raf kinase inhibitory protein (RKIP) regulates multiple cellular processes, and its downregulation is associated with distinct human cancers. In the present study, the status of RKIP promoter methylation, as well as its expression and clinical significance in esophageal squamous cell carcinoma (ESCC), were examined. The promoter methylation status in the 5'-CpG island of the RKIP gene and the expression level of the RKIP protein were examined using a modified methylation-specific polymerase chain reaction (MSP) method and immunohistochemical staining, respectively, in 77 ESCC samples and matched paratumor normal tissues...
March 2017: Oncology Letters
https://www.readbyqxmd.com/read/28454333/a-polysaccharide-component-from-strongylocentrotus-nudus-eggs-inhibited-hepatocellular-carcinoma-in-mice-by-activating-t-lymphocytes
#10
Min Zhang, Yang Liu, Jingwen Li, Mengyun Ke, Jie Yu, Jie Dou, Hui Wang, Changlin Zhou
A component purified from Strongylocentrotus nudus eggs on a diethylaminoethyl cellulose-52 chromatography column and eluted using a NaCl solution gradient (SEP-S), is a homogeneous polysaccharide of α-D-glucan with a reduced molecular weight of 9.33×10(5) Da, compared with that of S. nudus egg polysaccharide (SEP). In an in vivo antitumor assay of histocompatibility-22 hepatocellular carcinoma in tumor-bearing mice, the inhibitory rates at SEP-S doses of 5, 10 and 20 mg/kg/day were 38.8, 50.7 and 70.3%, respectively...
March 2017: Oncology Letters
https://www.readbyqxmd.com/read/28454312/treatment-with-a-selenium-platinum-compound-induced-t-cell-acute-lymphoblastic-leukemia-lymphoma-cells-apoptosis-through-the-mitochondrial-signaling-pathway
#11
Feifei Wu, Wei Cao, Huaping Xu, Mingxia Zhu, Jing Wang, Xiaoyan Ke
T-cell acute lymphoblastic leukemia/lymphoma (T-ALL/LBL) is an aggressive hematological disorder that is sensitive to chemotherapy; however, it exhibits frequent relapse rates. Platinum-containing therapeutics are the first-line salvage regimens used in the treatment of relapsed or refractory T-ALL/LBL. The selenium-platinum compound EG-Se/Pt is obtained from the combination of selenium-containing molecules (EG-Se) with cisplatin (CDDP); however, its anticancer properties have been poorly investigated. In the present study, the Cell Counting Kit-8 assay was used to evaluate the inhibitory effect of treatment with EG-Se/Pt on cell viability...
March 2017: Oncology Letters
https://www.readbyqxmd.com/read/28454306/inhibitory-effect-of-norcantharidin-on-melanoma-tumor-growth-and-vasculogenic-mimicry-by-suppressing-mmp-2-expression
#12
Zhenyu Wang, Dingyun You, Minnan Lu, Yuefeng He, Shan Yan
A form of microcirculation called vasculogenic mimicry (VM), which constitutes a novel approach for tumor blood supply in certain highly aggressive malignant tumors, was recently reported to contribute to tumor metastasis and poor prognosis in melanoma patients. Development of strategies to target tumor VM may be significant to reduce the recurrence and metastasis of melanoma. Norcantharidin (NCTD) has been shown to inhibit tumor growth and VM of human gallbladder carcinomas. Besides, NCTD could induce melanoma cell apoptosis...
March 2017: Oncology Letters
https://www.readbyqxmd.com/read/28454291/thioridazine-has-potent-antitumor-effects-on-lung-cancer-stem-like-cells
#13
Jiani Shen, Buyun Ma, Xinmin Zhang, Xiaozhu Sun, Jiancui Han, Yigang Wang, Liang Chu, Haineng Xu, Yu Yang
Thioridazine (TDZ), originally an anti-psychotic drug, suppresses several types of cancer and has specificity for leukemia stem cells. The present study was performed to assess its effect on lung cancer stem-like cells, as its effect remains unknown. TDZ was utilized to treat lung cancer stem-like cells (A549 sphere cells) and its cytotoxic effect and mechanism were evaluated in vitro and in vivo. TDZ elicited cytotoxicity in A549 sphere cells and inhibited their proliferation in a dose-dependent pattern. A549 sphere cells treated with TDZ showed nuclear fragmentation, increased G0/G1 phase distribution, positive Annexin V staining, and a change in the expression of caspase family and cell cycle-associated proteins...
March 2017: Oncology Letters
https://www.readbyqxmd.com/read/28454279/anticancer-activity-of-nelumbo-nucifera-stamen-extract-in-human-colon-cancer-hct-116-cells-in-vitro
#14
Xin Zhao, Xia Feng, Cun Wang, Deguang Peng, Kai Zhu, Jia-Le Song
The aim of the present study was to investigate the anticancer activities of Nelumbo nucifera (Ba lotus) stamen ethanol crude extract (BLSEE) in human colon carcinoma HCT-116 cells. MTT assay, flow cytometry analysis and reverse transcription-polymerase chain reaction assay were employed to investigate the anticancer mechanisms of BLSEE (100, 200 and 400 µg/ml) in HCT-116 cells. BLSEE reduced HCT-116 cell proliferation in a dose-dependent manner. BLSEE treatment also significantly increased the sub-G1 population in HCT-116 cells (P=0...
March 2017: Oncology Letters
https://www.readbyqxmd.com/read/28454274/role-of-endoplasmic-reticulum-stress-on-cisplatin-resistance-in-ovarian-carcinoma
#15
Jing Tian, Rong Liu, Quanxin Qu
Endoplasmic reticulum (ER) is an essential site of cellular homeostasis regulation. ER stress (ERS) may induce autophagy in tumor cells that escape from apoptosis. The present study examined the effects and mechanism of ERS on cisplatin (DDP) sensitivity in ovarian carcinoma. SKOV3 tumor cells treated with Saquinavir were subjected to western blot and reverse transcription-quantitative polymerase chain reaction analysis to determine protein and messenger RNA (mRNA) expression levels of mechanistic target of rapamycin (mTOR) and Beclin 1...
March 2017: Oncology Letters
https://www.readbyqxmd.com/read/28454263/investigation-of-the-cytotoxicity-apoptosis-and-pharmacokinetics-of-raddeanin-a
#16
Guiying Gu, Huanhuan Qi, Tianyue Jiang, Bo Ma, Zheng Fang, Hong Xu, Qi Zhang
Raddeanin A, one of the triterpenoid saponins extracted from Anemone raddeana rhizome of the Ranunculaceae family, has demonstrated the ability to inhibit the growth of human hepatic and gastric cancer cells. However, the effects of Raddeanin A on human colon cancer cells have not been investigated extensively. The present study aimed to examine the antiproliferative and apoptosis-inducing effects of Raddeanin A on the HCT-116 human colon cancer cell line in vitro, and evaluate the pharmacokinetic and biodistribution properties of Raddeanin A in mice following a single oral administration...
March 2017: Oncology Letters
https://www.readbyqxmd.com/read/28454231/wif-1-gene-inhibition-and-wnt-signal-transduction-pathway-activation-in-nsclc-tumorigenesis
#17
Qiong Tang, Hui Zhao, Bingjun Yang, Li Li, Qiulan Shi, Chunyang Jiang, Huibin Liu
The aim of the present study is to explore the differential expression of key molecules associated with Wnt signaling in both clinical non-small cell lung cancer (NSCLC) tissue and adjacent normal lung tissue, and to discuss the tumorigenic role of the activation of Wnt signaling pathways in NSCLC. A total of 52 NSCLC patients were employed in the present study. Lung cancer tissue samples and paracarcinoma tissue samples were obtained from these patients, who had undergone surgical resection of their primary cancer...
March 2017: Oncology Letters
https://www.readbyqxmd.com/read/28454222/effects-of-rna-silencing-of-matrix-metalloproteinase-2-on-the-growth-of-esophageal-carcinoma-cells-in-vivo
#18
Yu-Guang Shen, Wen Feng, Yi-Jun Xu, Na-Na Jiao, Da-Qiang Sun, Wen-Dong Qu, Quan Tang, Wei Xiong, Yang Tang, Yu Xia, Qing-Yong Cai, Da-Xing Liu, Xun Zhang, Gang Xu, Gui-You Liang
Esophageal carcinoma is one of the most common malignancies in China. Previous studies reported that matrix metalloproteinases (MMPs) have important roles in the progression and invasion of numerous types of solid tumors. Among the MMPs, MMP-2 has been closely associated with tumor growth and invasion. In the present study, a short hairpin RNA (shRNA) lentiviral expression vector targeting the MMP-2 gene was constructed in order to observe the inhibitory effect of MMP-2 gene silencing on the growth of the KYSE150 esophageal carcinoma cell line in vivo...
March 2017: Oncology Letters
https://www.readbyqxmd.com/read/28454118/simultaneous-exposure-to-fc%C3%AE-r-and-fc%C3%AE-r-on-monocytes-and-macrophages-enhances-antitumor-activity-in-vivo
#19
Bingyu Li, Lijun Xu, Fei Tao, Kun Xie, Zhiqiang Wu, You Li, Jie Li, Kaiming Chen, Chenyu Pi, Andrew Mendelsohn, James W Larrick, Hua Gu, Jianmin Fang
Therapeutic antibodies are effective for tumor immunotherapy and exhibit prominent clinical effects. All approved antibody therapeutics utilize IgG as the molecular format. Antibody-dependent cell-mediated cytotoxicity (ADCC) is a key mechanism for tumor cell killing by antibodies. For IgG antibodies, ADCC depends on FcγR-expressing cells, such as natural killer (NK) cells. However, in patients with a high tumor burden, antibody therapeutics may lose efficacy owing to exhaustion of FcγR-expressing effector cells as well as the inhibitory effects of certain FcγRs on effector cells...
April 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/28454090/peroxiredoxin-6-overexpression-attenuates-lipopolysaccharide-induced-acute-kidney-injury
#20
Dong Hun Lee, Ju Ho Park, Sang Bae Han, Do Young Yoon, Yu Yeon Jung, Jin Tae Hong
Peroxiredoxin 6 (PRDX6) is a member of the PRDX family of antioxidant enzymes and correlated with inflammatory response. Therefore, we investigated the role of PRDX6 during lipopolysaccharide (LPS)-induced acute kidney injury. Both 3 months aged PRDX6-overexpressing transgenic mice (PRDX6 mice) and wild type (WT) mice had acute renal injury induced by intraperitoneal injection of LPS (10 mg/kg)., PRDX6 mice showed decreased mortality and renal injury following LPS challenge compared to WT mice. Furthermore, infiltration of macrophages, T-cells and neutrophils, and the number of apoptotic cells were more decreased by LPS treatment in PRDX6 mice than in WT mice...
April 10, 2017: Oncotarget
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