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Oncology Reports

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https://www.readbyqxmd.com/read/28901502/harmine-suppresses-the-proliferation-and-migration-of-human-ovarian-cancer-cells-through-inhibiting-erk-creb-pathway
#1
Jun Gao, Hong Zhu, Hong Wan, Xia Zou, Xiaoxin Ma, Guolan Gao
Ovarian cancer is the most lethal gynaecological cancer and the sixth most common cause of cancer related death among Western women. Recent studies show that harmine, a small-molecular β-carboline alkaloid present in medicinal plants, displayed obvious anticancer effects in several cancer cells. However, the effect of harmine on ovarian cancer is not well understood. In the present study, the effect of harmine on the cell proliferation and migration of ovarian cancer SKOV-3 cells and the underlying mechanism were investigated...
September 13, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28901495/biochanin-a-induces-apoptosis-and-suppresses-migration-in-fadu-human-pharynx-squamous-carcinoma-cells
#2
In-A Cho, Sang-Joun You, Kyeong-Rok Kang, Su-Gwan Kim, Ji-Su Oh, Jae-Seek You, Gyeong-Je Lee, Yo-Seob Seo, Do Kyung Kim, Chun Sung Kim, Sook-Young Lee, Jae-Sung Kim
The aim of the present study was to investigate biochanin-A-induced anticancer effects and their cellular signaling pathway in FaDu pharyngeal squamous carcinoma cells. Biochanin-A induced cell death through increased cytotoxicity of FaDu cells in a dose- and time-dependent manner. The number of cells with nucleus condensation and the apoptotic population were increased in the FaDu cells stimulated with biochanin-A for 24 h. Furthermore, extrinsic apoptotic factors such as FasL and their downstream target caspase-8 were increased and activated in the FaDu cells treated with biochanin-A in a dose-dependent manner...
September 13, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28901465/1h-nmr-based-metabolic-profiling-of-a-colorectal-cancer-ct-26-lung-metastasis-model-in-mice
#3
Yan Li, Chunting Wang, Dandan Li, Pengchi Deng, Xiaoni Shao, Jing Hu, Chunqi Liu, Hui Jie, Yiyun Lin, Zhuoling Li, Xinying Qian, Huaqin Zhang, Yinglan Zhao
Lung metastasis is an important cause for the low 5-year survival rate of colorectal cancer patients. Understanding the metabolic profile of lung metastasis of colorectal cancer is important for developing molecular diagnostic and therapeutic approaches. We carried out the metabonomic profiling of lung tissue samples on a mouse lung metastasis model of colorectal cancer using 1H-nuclear magnetic resonance (1H-NMR). The lung tissues of mice were collected at different intervals after marine colon cancer cell line CT-26 was intravenously injected into BALB/c mice...
September 13, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28901527/hypoxia-promotes-migration-invasion-and-glycolysis-in-head-and-neck-squamous-cell-carcinoma-via-an-hif-1%C3%AE-mtdh-loop
#4
Gangcai Zhu, Fusen Peng, Wei Gong, Li She, Ming Wei, Haolei Tan, Changhan Chen, Diekuo Zhang, Guo Li, Donghai Huang, Xin Zhang, Yong Liu
Hypoxia is a hallmark of progressive cancer. Hypoxic cancer cells trigger glycolysis in response to a decreased O2 supply to meet metabolic and bioenergetic demands. Meanwhile, these responses to hypoxia and alterations of the microenvironment promote cancer cell metastasis by increasing transcription of hypoxia-inducible factor (HIF)-regulated genes. However, the detailed mechanism by which hypoxia regulates cancer cell metastasis and glycolysis remains to be investigated. In the present study, we identified that metadherin (MTDH), a multifaceted oncogene, is involved in the regulation of head and neck squamous cell carcinoma (HNSCC) metastasis and invasion under hypoxic conditions...
September 7, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28901525/upregulation-of-muc1-by-its-novel-activator-14-3-3%C3%AE-promotes-tumor-invasion-and-indicates-poor-prognosis-in-lung-adenocarcinoma
#5
Min Xue, Weimin Tao
Lung adenocarcinoma (LAC) is currently the predominant histological subtype of lung cancer. Despite recent advancement in targeted therapies, the average 5-year survival rate is only 15%, highlighting the need to identify previously unrecognized molecular events that propel cancer development. Herein, we showed knockdown of 14-3-3ζ suppresses cell proliferation, migration and invasion capability of A549 and H1299 cells. MUC1 was then identified as a novel target of 14-3-3ζ protein. Overexpression of MUC1 is found to induce epithelial-mesenchymal transition and promote metastasis of lung cancer cells, while knockdown of 14-3-3ζ can completely abolish the oncogenic function of MUC1...
September 7, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28901517/cx32-inhibits-tnf%C3%AE-induced-extrinsic-apoptosis-with-and-without-egfr-suppression
#6
Yongchang Lai, Liang Tao, Yifan Zhao, Xiaomin Zhang, Xingjuan Sun, Qin Wang, Chengfang Xu
Tumor necrosis factor α (TNFα) and TNF-related apoptosis-inducing ligand (TRAIL) can trigger the extrinsic apoptosis pathway. Our previous study indicated that connexin32 (Cx32) inhibited streptonigrin-induced intrinsic apoptosis via the epidermal growth factor receptor (EGFR) pathway. However, whether Cx32 can exert effects on the extrinsic apoptosis pathway through EGFR signaling remains unclear. In the present study, we investigated the role of Cx32 in extrinsic apoptosis induced by treatment with TNFα + cycloheximide (CHX) or afatinib in human cervical cancer (CaCx) cells...
September 7, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28901493/high-pemetrexed-sensitivity-of-docetaxel-resistant-a549-cells-is-mediated-by-tp53-status-and-downregulated-thymidylate-synthase
#7
Wei-Ting Kuo, Dom-Gene Tu, Ling-Yen Chiu, Gwo-Tarng Sheu, Ming-Fang Wu
The chemoresistance of non-small cell lung cancer (NSCLC) that occurs in docetaxel (DOC) chemotherapy substantially decreases the survival of patients. To overcome DOC-induced chemoresistance, we established DOC-selected A549 lung cancer sublines (A549/D16 and A549/D32) and revealed that both sublines were cross-resistant to vincristine (VCR) and doxorubicin (DXR). Notably, both sublines were more sensitive to pemetrexed (PEM) than parental cells according to MTT and clonogenic assays. The expression levels of thymidylate synthase (TS) and γ-glutamyl hydrolase (GGH) were downregulated in DOC-resistant sublines...
September 7, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28901486/mirna%C3%A2-148a-inhibits-cell-growth-of-papillary-thyroid-cancer-through-stat3-and-pi3k-akt-signaling-pathways
#8
Yuan Xu, Yi-Fan Han, Shao-Jun Zhu, Jian-Da Dong, Bing Ye
The function of miRNA‑148a in lymphatic metastases of papillary thyroid cancer and its mechanism were tested. In this investigation, miRNA‑148a expression of lymphatic metastases of papillary thyroid cancer patients was inhibited, compared with normal group. We found that miRNA‑148a overexpression was effectively reduced cell cell proliferation and metastases, and induced apoptosis of papillary thyroid cancer in vitro. Overexpression of miRNA‑148a significantly induced Bax protein expression and caspase‑3/9 levels, and suppressed phosphorylation STAT3 (p‑STAT3), PI3K and p‑Akt protein expression of papillary thyroid cancer in vitro...
September 7, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28901472/inositol-hexaphosphate-hydrolysate-competitively-binds-to-akt-to-inhibit-the-proliferation-of-colon-carcinoma
#9
Chen Chen, Fuguo Yang, Cuiping Liu, Lianhua Cui, Min Fu, Yang Song
Phytate, myto-inositol 1,2,3,4,5,6 hexaphosphate (IP6), is recognized as an anti-nutrition phytochemical for decades. Recently, numerous studies have indicated that IP6 and its hydrolysates could suppress colon oncogenesis. However, very little is known concerning the mechanism of IP6 hydrolysates in regulating colon oncogenesis. The aim of the present study was to identify the underlying relationship between IP6 hydrolysates and colon cancer. Three types of human colorectal cancer cells were utilized in the present study...
September 7, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28901466/mir-133b-acts-as-a-tumor-suppressor-and-negatively-regulates-atp-citrate-lyase-via-ppar%C3%AE-in-gastric-cancer
#10
Yunsheng Cheng, Benli Jia, Yong Wang, Shengyun Wan
MicroRNAs (miRNAs/miRs) are a class of small noncoding RNAs that negatively regulate protein expression by binding to protein-coding mRNAs and suppressing translation. Accumulating evidence suggests that miRNAs are involved in the development and progression of cancer by regulating cancer metabolism. Meanwhile, the cytosolic enzyme ATP citrate lyase (ACLY) is a promising target in the prevention and treatment of cancer. In the present study we revealed by western blot analysis and reverse transcription‑quantitative PCR that miR-133b was downregulated in human gastric cancer (GC) tissues and cell lines, while ACLY was upregulated...
September 7, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28901457/screening-and-identification-of-key-biomarkers-in-hepatocellular-carcinoma-evidence-from-bioinformatic-analysis
#11
Lin Li, Qingsong Lei, Shujun Zhang, Lingna Kong, Bo Qin
Hepatocellular carcinoma (HCC) is one of the most common cancers worldwide. Intense efforts have been made to elucidate the pathogeny, but the molecular mechanisms of HCC are still not well understood. To identify the candidate genes in the carcinogenesis and progression of HCC, microarray datasets GSE19665, GSE33006 and GSE41804 were downloaded from Gene Expression Omnibus (GEO) database. The differentially expressed genes (DEGs) were identified, and function enrichment analyses were performed. The protein-protein interaction network (PPI) was constructed and the module analysis was performed using STRING and Cytoscape...
September 7, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28901456/the-antitumor-effects-of-arsenic-trioxide-in-mantle-cell-lymphoma-via-targeting-wnt-%C3%AE-%C3%A2-catenin-pathway-and-dna-methyltransferase-1
#12
Xin-Yu Li, Ying Li, Lingyan Zhang, Xin Liu, Lili Feng, Xin Wang
Mantle cell lymphoma (MCL) is an aggressive non‑Hodgkin lymphoma (NHL) with poor prognosis. The rapid progression and frequently relapse make it urgent to identify therapeutic agents with potent antitumor effect. Increasing evidence indicated that dysregulation of Wnt/β‑catenin pathway and abnormal methylation appeared to promote tumorigenesis. Arsenic trioxide (As2O3, ATO) has been reported effective in many hematologic malignancies in recent studies, however, the mechanism and effects of ATO in MCL still need further research...
September 7, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28901519/salidroside-a-scavenger-of-ros-enhances-the-radioprotective-effect-of-ex-rad%C3%A2-via-a-p53-dependent-apoptotic-pathway
#13
Tian Feng, Libin Wang, Nan Zhou, Chang Liu, Jiahui Cui, Rangxin Wu, Juan Jing, Shengyong Zhang, Hui Chen, Siwang Wang
Salidroside (Sal), the predominant component of a Chinese medicinal herb, Rhodiola rosea L., has become an attractive bioagent due to its significant anti-radiation, antioxidant and immune adjustment effects. We explored the radioprotective effect of Sal to ascertain whether it could enhance the anti-radiation effect of ON 01210.Na (Ex-RAD®) in vivo and in vitro, and elucidate its underlying mechanism. Our data demonstrated that Sal inhibited radiation-induced apoptosis, scavenged reactive oxygen species (ROS), and decreased the DNA damage of human umbilical vein endothelial cells (HUVECs)...
September 6, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28901479/interaction-with-neutrophils-promotes-gastric-cancer-cell-migration-and-invasion-by-inducing-epithelial-mesenchymal-transition
#14
Wen Zhang, Jianmei Gu, Jingyan Chen, Peng Zhang, Runbi Ji, Hui Qian, Wenrong Xu, Xu Zhang
Emerging evidence has revealed that neutrophils have phenotypic and functional plasticity. Neutrophils could be polarized towards a pro-tumor phenotype by tumor-derived factors. In the present study, we investigated the role of the interaction with neutrophils on the functions of gastric cancer cells in vitro. Human promyelocytic leukemia HL-60 cells were induced to differentiate into neutrophil-like cells (HL-60N) using dimethyl sulfoxide (DMSO). Human gastric cancer cells were co-cultured with HL-60N cells or treated with the conditioned medium (CM) of cancer-activated HL-60N cells...
September 6, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28901470/tlr5-7-mediated-pi3k-activation-triggers-epithelial-mesenchymal-transition-of-ovarian-cancer-cells-through-wave3-dependent-mesothelin-or-oct4-sox2-expression
#15
Ga Bin Park, Daejin Kim
Toll-like receptor (TLR)-mediated signaling induces cell migration or invasion in several tumors and various stages of cancer. Interactions of mesothelin, a 40-kDa cell surface glycoprotein, with cancer antigen 125 (CA125) is associated with drug resistance, metastasis, and poor clinical outcome of ovarian cancer patients. In this study, we examined the role of TLR5 and TLR7 in the metastasis of ovarian cancer through the induction of mesothelin/CA125 expression and investigated its underlying mechanism. TLR5 agonist (flagellin) and TLR7 agonist (imiquimod) upregulated mesenchymal phenotypes and produced epithelial-mesenchymal transition (EMT)-related cytokines in the SKOV3 cells; however, TLR7 expressing CaOV3 cells had no response to the specific ligand, imiquimod, for enhancing its EMT processes...
September 6, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28901507/%C3%AE-7-nicotinic-acetylcholine-receptor-in-tumor-associated-macrophages-inhibits-colorectal-cancer-metastasis-through-the-jak2-stat3-signaling-pathway
#16
Rushan Fei, Yuanwei Zhang, Saisai Wang, Tao Xiang, Wenbin Chen
Considerable evidence has implied that α7 nicotinic receptor subtypes play an important role in chronic inflammatory and neuropathic pain signaling. The aim of the present study was to determine the role of endogenous α7nAChR signaling in tumor-associated macrophages (TAMs) in human colorectal cancer (CRC) metastasis and prognosis. α7nAChR expression in primary tumor cells and adjacent stroma cells especially in TAMs in 51 CRC patients was observed. Using a human monocyte THP-derived macrophages (TMs) with α7nAChR-siRNA knockdown (TMα7-/-) and a CRC cell Transwell co-culture model, the migration and invasion of two CRC cells, LoVo and SW620, were determined...
September 4, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28901497/regulation-of-uhrf1-by-microrna-378-modulates-medulloblastoma-cell-proliferation-and-apoptosis
#17
Zhen-Yu Zhang, Bin Zhu, Xin-Wei Zhao, Yun-Bo Zhan, Jian-Ji Bao, Jin-Qiao Zhou, Feng-Jiang Zhang, Bin Yu, Jun Liu, Yan-Min Wang, Ya-Hui Bai, Jin Hong, Xian-Zhi Liu
A previous study revealed that ubiquitin-like with PHD and RING finger domains 1 (UHRF1) promoted cell proliferation and was a potential biomarker in medulloblastoma (MB). In the present study, we reported that miR-378 inhibited the expression of UHRF1 to affect the proliferation of MB through competitive binding to the same region of its 3'-UTR. We found that the expression of miR-378 was significantly downregulated in MB tissues and inversely correlated with the expression of UHRF1. Western blot analysis revealed that overexpression of miR-378 led to the suppression of UHRF1...
September 4, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28901481/silencing-of-histone-methyltransferase-nsd3-reduces-cell-viability-in-osteosarcoma-with-induction-of-apoptosis
#18
Zhiwei Liu, Lianhua Piao, Ming Zhuang, Xubin Qiu, Xiaoshuang Xu, Dawei Zhang, Mengmeng Liu, Ding Ren
NSD3 is a histone lysine methyltransferase that methylates histone H3 at lysine 36. NSD3 is located at chromosome 8p11.23, the locus that exhibits strong cancer relevance. Thus, NSD3 is likely involved in multiple human cancers. Nevertheless, its roles in human carcinogenesis remain unknown. In the present study, we demonstrated that silencing of NSD3 in osteosarcoma, the most common primary bone cancer in children and adolescents, results in a marked decrease in the number of viable cancer cells, accompanied by increases in the cell population at the G2/M phase and the number of apoptotic cells...
September 4, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28901480/radioiodine-labeled-anti-epidermal-growth-factor-receptor-binding-bovine-serum-albumin-polycaprolactone-for-targeting-imaging-of-glioblastoma
#19
Chengxia Li, Jian Tan, Jin Chang, Wei Li, Zhongyun Liu, Ning Li, Yanhui Ji
The aim of this study was to look for a new medicine in diagnosing and treating of glioblastoma. Radioiodine-labeled anti-epidermal growth factor receptor (EGFR) binding nanoparticles were constructed. In vitro cell-binding assays were confirmed by confocal microscopy and flow cytometry. Cell cytotoxicity assays were evaluated by MTT assay; radionuclide uptake assays were performed by γ-counter. Radioiodine-imaging studies were conducted using a xenograft nude mouse model in vivo. The results showed that EGFR significantly enhanced the uptake and accumulation of BSA-PCL in the experimental model of xenografts in nude mice, suggesting improved specific nanoparticle-based delivery...
September 4, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28901474/inhibition-of-mir-23a-increases-the-sensitivity-of-lung-cancer-stem-cells-to-erlotinib-through-pten-pi3k-akt-pathway
#20
Zhijun Han, Xiaoyun Zhou, Shanqing Li, Yingzhi Qin, Yeye Chen, Hongsheng Liu
Epidermal growth factor receptor-targeted tyrosine kinase inhibitors (EGFR-TKIs) have become first-line drugs used for non-small cell lung cancer (NSCLC) treatment. However, drug resistance to EGFR-TKIs will be developed inevitably due to the repeated use of these drugs. In the present study, we isolated cancer stem cells (CSCs) from the PC9 NSCLC cell line. We then observed that the PC9 CSCs showed significant resistance to erlotinib compared with the PC9 non-CSCs. Erlotinib failed to suppress the phosphorylation of PI3K and AKT in PC9 CSCs, although the EGFR was inhibited sufficiently...
September 4, 2017: Oncology Reports
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