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Cancer Cell International

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https://www.readbyqxmd.com/read/28435405/establishment-and-characterization-of-6-novel-patient-derived-primary-pancreatic-ductal-adenocarcinoma-cell-lines-from-korean-pancreatic-cancer-patients
#1
Mi-Ju Kim, Min-Sun Kim, Sung Joo Kim, Soyeon An, Jin Park, Hosub Park, Jae Hoon Lee, Ki-Byung Song, Dae Wook Hwang, Suhwan Chang, Kyu-Pyo Kim, Seong-Yun Jeong, Song Cheol Kim, Seung-Mo Hong
BACKGROUND: Pancreatic ductal adenocarcinomas are among the most malignant neoplasms and have very poor prognosis. Our understanding of various cancers has recently improved the survival of patients with cancer, except for pancreatic cancers. Establishment of primary cancer cell lines of pancreatic ductal adenocarcinomas will be useful for understanding the molecular mechanisms of this disease. METHODS: Eighty-one surgically resected pancreatic ductal adenocarcinomas were collected...
2017: Cancer Cell International
https://www.readbyqxmd.com/read/28428733/microrna-338-3p-suppresses-cell-proliferation-and-induces-apoptosis-of-non-small-cell-lung-cancer-by-targeting-sphingosine-kinase-2
#2
Guowei Zhang, Hao Zheng, Guojun Zhang, Ruirui Cheng, Chunya Lu, Yijie Guo, Guoqiang Zhao
BACKGROUND: Lung cancer is the major cause of cancer-related death worldwide, and 80% patients of lung cancer are non-small-cell lung cancer (NSCLC) cases. MicroRNAs are important gene regulators with critical roles in diverse biological processes, including tumorigenesis. Studies indicate that sphingosine kinase 2 (SphK2) promotes tumor progression in NSCLC, but how this occurs is unclear. Thus, we explored the effect of miR-338-3p targeting SphK2 on proliferation and apoptosis of NSCLC cells...
2017: Cancer Cell International
https://www.readbyqxmd.com/read/28400705/high-expression-of-rab25-contributes-to-malignant-phenotypes-and-biochemical-recurrence-in-patients-with-prostate-cancer-after-radical-prostatectomy
#3
Chunhui Hu, Beibei Chen, Yibin Zhou, Yuxi Shan
BACKGROUND: Ras-related protein 25 (Rab25) functions either as an oncogene or a tumor suppressor with a cancer type-dependent manner. We aimed to investigate clinical significance of Rab25 in prostate cancer (PCa). METHODS: Quantitative real-time polymerase chain reaction, Western blot and immunohistochemistry were respectively performed to detect Rab25 mRNA and protein expression in PCa and adjacent non-cancerous prostate tissues. Receiver-operating characteristic curve analysis was used to evaluate predictive diagnostic value of Rab25...
2017: Cancer Cell International
https://www.readbyqxmd.com/read/28396617/long-non-coding-rna-malat1-drives-gastric-cancer-progression-by-regulating-hmgb2-modulating-the-mir-1297
#4
Jijun Li, Jinghua Gao, Wen Tian, Yongsheng Li, Jinghua Zhang
BACKGROUND: Emerging evidences have verified that long non-coding RNAs (lncRNAs) play important regulatory roles in the pathogenesis and progression of cancers. lncRNAs metastasis associated lung adenocarcinoma transcript 1 (MALAT1) have been found to be up-regulated in some human cancers. The main objective of this study was to investigate the expression level and biological function of MALAT1 in gastric cancer (GC). METHODS: Quantificational real-time polymerase chain reaction (qRT-PCR) was performed to detect the mRNA levels of MALAT1 in 78 paired gastric carcinoma tissues and adjacent normal tissues, and the associations of MALAT1 expression with the clinicopathological features were analyzed, and the prognosis of gastric carcinoma patients was evaluated...
2017: Cancer Cell International
https://www.readbyqxmd.com/read/28373828/the-synthetic-peptide-cigb-300-modulates-ck2-dependent-signaling-pathways-affecting-the-survival-and-chemoresistance-of-non-small-cell-lung-cancer-cell-lines
#5
Stéfano M Cirigliano, María I Díaz Bessone, Damián E Berardi, Carolina Flumian, Elisa D Bal de Kier Joffé, Silvio E Perea, Hernán G Farina, Laura B Todaro, Alejandro J Urtreger
BACKGROUND: Lung cancer is the most frequently diagnosed cancer and the leading cause of cancer-related deaths worldwide. Up to 80% of cancer patients are classified as non-small-cell lung cancer (NSCLC) and cisplatin remains as the gold standard chemotherapy treatment, despite its limited efficacy due to both intrinsic and acquired resistance. The CK2 is a Ser/Thr kinase overexpressed in various types of cancer, including lung cancer. CIGB-300 is an antitumor peptide with a novel mechanism of action, since it binds to CK2 substrates thus preventing the enzyme activity...
2017: Cancer Cell International
https://www.readbyqxmd.com/read/28367105/mycn-amplification-predicts-poor-prognosis-based-on-interphase-fluorescence-in-situ-hybridization-analysis-of-bone-marrow-cells-in-bone-marrow-metastases-of-neuroblastoma
#6
Zhi-Xia Yue, Cheng Huang, Chao Gao, Tian-Yu Xing, Shu-Guang Liu, Xing-Jun Li, Qian Zhao, Xi-Si Wang, Wen Zhao, Mei Jin, Xiao-Li Ma
BACKGROUND: MYCN gene amplification is related to risk stratification. Therefore it is important to identify accurately the level of the MYCN gene as early as possible in neuroblastoma (NB); however, for patients with bone marrow (BM) metastasis who need chemotherapy before surgery, timely detection of the MYCN gene is not possible due to the unavailability of primary tumors. METHODS: MYCN gene status was evaluated in 81 BM metastases of NB by interphase fluorescence in situ hybridization (FISH) analysis of BM cells...
2017: Cancer Cell International
https://www.readbyqxmd.com/read/28360821/combined-ephb2-receptor-knockdown-with-radiation-decreases-cell-viability-and-invasion-in-medulloblastoma
#7
Shilpa Bhatia, Kellen Hirsch, Sanjana Bukkapatnam, Nimrah A Baig, Ayman Oweida, Anastacia Griego, Dylan Calame, Jaspreet Sharma, Andrew Donson, Nicholas Foreman, Christopher Albanese, Sujatha Venkataraman, Rajeev Vibhakar, Sana D Karam
BACKGROUND: Medulloblastoma is one of the most common types of pediatric brain tumor characterized by the subpopulation of cells that exhibit high invasive potential and radioresistant properties. In addition, dysregulated function and signaling by Eph family of receptors have been shown to impart pro-tumorigenic characteristics in this brain malignancy. In the current study, we investigated whether EphB2 knockdown in combination with radiation can alter invasiveness and decrease medulloblastoma tumor growth or viability in vitro...
2017: Cancer Cell International
https://www.readbyqxmd.com/read/28360820/the-effect-of-tetrandrine-combined-with-cisplatin-on-proliferation-and-apoptosis-of-a549-ddp-cells-and-a549-cells
#8
Ling-Yun Ye, Song Hu, Hua-E Xu, Rong-Rong Xu, Hui Kong, Xiao-Ning Zeng, Wei-Ping Xie, Hong Wang
BACKGROUND: Non-small cell lung cancer comprises the majority of lung cancer cases and is insensitive to chemotherapy. Most patients develop drug resistance. Recently, tetrandrine (TET), a bis-benzylisoquinoline alkaloid, was identified as a novel anti-cancer agent. However, the effect of tetrandrine combined with cisplatin on lung cancer has not yet been studied. We aimed to identify a possible synergistic effect between tetrandrine and cisplatin, besides, to investigate the effects of TET in combination with DDP on proliferation and apoptosis in cisplatin-resistant and cisplatin-sensitive A549 cell lines, and to study the underlying mechanism...
2017: Cancer Cell International
https://www.readbyqxmd.com/read/28293146/rs35301225-polymorphism-in-mir-34a-promotes-development-of-human-colon-cancer-by-deregulation-of-3-utr-in-e2f1-in-chinese-population
#9
Haiqiang Jiang, Fengyuan Ge, Beina Hu, Lamei Wu, Huijian Yang, Huiyun Wang
BACKGROUND: Previous reports have revealed that down-regulation of miR-34a expression can promote colorectal cancer (CRC) cell growth by targeting cell cycle-related transcriptional factor E2F1. To date, the function of the single nucleotide polymorphism (SNP) located in the mature region of miR-34a has not been investigated. METHODS: We performed a case-control study including 685 CRC patients and 618 cancer-free controls. Genotyping, real-time PCR assay, cell transfection, and the dual luciferase reporter assay were used in our study...
2017: Cancer Cell International
https://www.readbyqxmd.com/read/28289332/pi3k%C3%AE-isoform-dependent-activation-of-rhoa-regulates-wnt5a-induced-osteosarcoma-cell-migration
#10
Ailiang Zhang, Ting Yan, Kun Wang, Zhihui Huang, Jinbo Liu
BACKGROUND: We have reported that the phosphatidylinositol-3 kinase (PI3K)/Akt signaling pathway mediated Wnt5a-induced osteosarcoma cell migration. However, the signaling pathways regulating Wnt5a/PI3K/Akt-mediated cell migration remains poorly defined in osteosarcoma cells. METHODS: We evaluated the activations of RhoA, Rac1 and Cdc42 in osteosarcoma MG-63 and U2OS cells with small G-protein activation assay. Boyden chamber assays were used to confirm the migration of cells transfected indicated constructs or siRNA specific against RhoA...
2017: Cancer Cell International
https://www.readbyqxmd.com/read/28289331/screening-of-breast-cancer-stem-cell-inhibitors-using-a-protein-kinase-inhibitor-library
#11
Hack Sun Choi, Dal-Ah Kim, Heesung Chung, In Ho Park, Bo Hye Kim, Eok-Soo Oh, Duk-Hee Kang
BACKGROUND: Cancer stem cells (CSCs), a subpopulation in tumors, are known to cause drug resistance, tumor recurrence and metastasis. Based on the characteristic formation of mammospheres in in vitro conditions, the mammosphere formation assay has become an essential tool for quantifying CSC activity in breast cancer research. However, manual counting of mammospheres is a time-consuming process that is not amenable to high-throughput screening, and there are occasional inaccuracies in the process of determining the mammosphere diameter...
2017: Cancer Cell International
https://www.readbyqxmd.com/read/28289330/the-heterogeneity-of-cancer-stem-like-cells-at-the-invasive-front
#12
Go J Yoshida
Cancer stem-like cells exhibit the multi-functional roles to survive and persist for a long period in the minimal residual disease after the conventional anti-cancer treatments. Cancer stem-like cells of solid malignant tumors which highly express CD44v8-10, the variant isoform of CD44 generated by alternative splicing, has a resistance to redox stress by the robust production of glutathione mediated by ESRP1-CD44v-xCT (cystine/glutamate antiporter) axis. It has been reported that CD44v and c-Myc tend to show the inversed expression pattern at the invasive front of the aggressive tumors...
2017: Cancer Cell International
https://www.readbyqxmd.com/read/28286420/hlbt-100-a-highly-potent-anti-cancer-flavanone-from-tillandsia-recurvata-l-l
#13
Henry I C Lowe, Ngeh J Toyang, Charah T Watson, Kenneth N Ayeah, Joseph Bryant
BACKGROUND: The incidence and mortalities from cancers remain on the rise worldwide. Despite significant efforts to discover and develop novel anticancer agents, many cancers remain in the unmet need category. As such, efforts to discover and develop new and more effective and less toxic agents against cancer remain a top global priority. Our drug discovery approach is natural products based with a focus on plants. Tillandsia recurvata (L.) L. is one of the plants selected by our research team for further studies based on previous bioactivity findings on the anticancer activity of this plant...
2017: Cancer Cell International
https://www.readbyqxmd.com/read/28286419/dual-roles-of-extracellular-signal-regulated-kinase-erk-in-quinoline-compound-bpiq-induced-apoptosis-and-anti-migration-of-human-non-small-cell-lung-cancer-cells
#14
Yao Fong, Chang-Yi Wu, Kuo-Feng Chang, Bing-Hung Chen, Wan-Ju Chou, Chih-Hua Tseng, Yen-Chun Chen, Hui-Min David Wang, Yeh-Long Chen, Chien-Chih Chiu
BACKGROUND: 2,9-Bis[2-(pyrrolidin-1-yl)ethoxy]-6-{4-[2-(pyrrolidin-1-yl)ethoxy] phenyl}-11H-indeno[1,2-c]quinoline-11-one (BPIQ), is a synthetic quinoline analog. A previous study showed the anti-cancer potential of BPIQ through modulating mitochondrial-mediated apoptosis. However, the effect of BPIQ on cell migration, an index of cancer metastasis, has not yet been examined. Furthermore, among signal pathways involved in stresses, the members of the mitogen-activated protein kinase (MAPK) family are crucial for regulating the survival and migration of cells...
2017: Cancer Cell International
https://www.readbyqxmd.com/read/28286418/mir-484-suppresses-proliferation-and-epithelial-mesenchymal-transition-by-targeting-zeb1-and-smad2-in-cervical-cancer-cells
#15
Yang Hu, Hong Xie, Yankun Liu, Weiying Liu, Min Liu, Hua Tang
BACKGROUND: MicroRNAs (miRNAs) play important roles in cancer initiation and development. Epithelial-mesenchymal transition (EMT) is a form of cellular plasticity that is critical for embryonic development and metastasis. The purpose of the study was to determine the function and mechanism of miR-484 in initiation and development of cervical cancer (CC). METHODS: We determined the expression levels of miR-484 in cervical cancer tissues and cell lines with RT-qPCR...
2017: Cancer Cell International
https://www.readbyqxmd.com/read/28286417/molecular-mechanism-of-g1-arrest-and-cellular-senescence-induced-by-lee011-a-novel-cdk4-cdk6-inhibitor-in-leukemia-cells
#16
Yan-Fang Tao, Na-Na Wang, Li-Xiao Xu, Zhi-Heng Li, Xiao-Lu Li, Yun-Yun Xu, Fang Fang, Mei Li, Guang-Hui Qian, Yan-Hong Li, Yi-Ping Li, Yi Wu, Jun-Li Ren, Wei-Wei Du, Jun Lu, Xing Feng, Jian Wang, Wei-Qi He, Shao-Yan Hu, Jian Pan
BACKGROUND: Overexpression of cyclin D1 dependent kinases 4 and 6 (CDK4/6) is a common feature of many human cancers including leukemia. LEE011 is a novel inhibitor of both CDK4 and 6. To date, the molecular function of LEE011 in leukemia remains unclear. METHODS: Leukemia cell growth and apoptosis following LEE011 treatment was assessed through CCK-8 and annexin V/propidium iodide staining assays. Cell senescence was assessed by β-galactosidase staining and p16(INK4a) expression analysis...
2017: Cancer Cell International
https://www.readbyqxmd.com/read/28270740/repression-of-gprc5a-is-associated-with-activated-stat3-which-contributes-to-tumor-progression-of-head-and-neck-squamous-cell-carcinoma
#17
Shuli Liu, Dongxia Ye, Tong Wang, Wenzheng Guo, Hongyong Song, Yueling Liao, Dongliang Xu, Hanguang Zhu, Zhiyuan Zhang, Jiong Deng
BACKGROUND: G protein-coupled receptor family C group 5 member A (GPRC5A), a retinoic acid-inducible gene, is a lung tumor suppressor. Previously, we showed that repression of GPRC5A expression was associated with pathologic differentiation grade of oral squamous cell carcinomas (OSCC) and overexpression of GPRC5A gene inhibited the malignant phenotype in OSCC cells, suggesting that GPRC5A also functions as a tumor suppressor in oral cancer. However, the molecular mechanisms underlying GPRC5A deficiency in head and neck squamous cell carcinoma (HNSCC) are still unclear...
2017: Cancer Cell International
https://www.readbyqxmd.com/read/28270739/transactivation-of-the-estrogen-receptor-promoter-by-brca1
#18
William B Archey, Bradley A Arrick
BACKGROUND: Absence of the estrogen receptor-α (ER) is perhaps the most distinctive pathological feature of breast cancers arising in women who inherit a mutation in BRCA1. Two hypotheses, not necessarily mutually exclusive, exist in the literature that describe mechanisms of ER transcriptional repression in breast cancer. One hypothesis suggests that methylation of cytosine-guanine dinucleotides (CpGs) primarily mediates repression, while the other maintains that transcriptional control is mediated by certain positive and negative promoter elements...
2017: Cancer Cell International
https://www.readbyqxmd.com/read/28265202/mir-20a-5p-promotes-radio-resistance-by-targeting-rab27b-in-nasopharyngeal-cancer-cells
#19
Dabing Huang, Geng Bian, Yueyin Pan, Xinghua Han, Yubei Sun, Yong Wang, Guodong Shen, Min Cheng, Xiang Fang, Shilian Hu
BACKGROUND: MicroRNAs (miRNAs) was reported to be involved in cancer radio-resistance, which remains a major obstacle for effective cancer therapy. METHODS: The differently expressed miRNAs were detected by RNA-seq experiment in nasopharyngeal cancer (NPC) cells. MiR-20a-5p was selected as our target, which was subject to finding its target gene Rab27B via bioinformatics analysis. The qRT-PCR, western blot and the luciferase reporter assays were performed to confirm Rab27B as the target of miR-20a-5p...
2017: Cancer Cell International
https://www.readbyqxmd.com/read/28239300/mir-7-inhibits-progression-of-hepatocarcinoma-by-targeting-klf-4-and-promises-a-novel-diagnostic-biomarker
#20
Weizhong Wu, Sanguang Liu, Yunfei Liang, Zegao Zhou, Xueqing Liu
BACKGROUND: MicroRNAs are 22-24 nt non-coding RNAs that bind to the 3' UTR of target mRNAs, thereby inducing mRNA degradation or inhibiting mRNA translation. Due to their implication in the regulation of post-transcriptional processes, the role of miRNAs in hepatocellular carcinoma (HCC) has been extensively studied. However, the function of miR-7 in HCC remains to be demonstrated. METHODS: 50 paired HCC tissues and matched peritumor tissues from patients were collected...
2017: Cancer Cell International
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