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International Journal of Oncology

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https://www.readbyqxmd.com/read/28902365/appl1-promotes-the-migration-of-gastric-cancer-cells-by-regulating-akt2-phosphorylation
#1
Yingxun Liu, Chunli Zhang, Lingyu Zhao, Ning Du, Ni Hou, Tusheng Song, Chen Huang
As a multifunctional adaptor protein, APPL1 (adaptor protein containing pleckstrin homology domain, phosphotyrosine binding domain and a leucine zipper motif 1) is overexpressed in many cancers, and has been implicated in tumorigenesis and tumor progression. The present study investigated the expression of APPL1 in gastric carcinoma and the function in regulating cell migration. We investigated the expression of APPL1 in gastric carcinoma based upon The Cancer Genome Atlas (TCGA) database. The expression of APPL1 in collected gastric carcinoma tissues and cultured cells was measured by qRT-PCR and western blot analysis...
September 5, 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/28902363/ginkgetin-induces-g2-phase-arrest-in-hct116-colon-cancer-cells-through-the-modulation-of-b%C3%A2-myb-and-mirna34a-expression
#2
Yu-Jin Lee, Yeong-Rim Kang, So Young Lee, Yena Jin, Dong Cho Han, Byoung-Mog Kwon
Ginkgetin has been reported to display antitumor activity. However, the relevant pathway integrating cell cycle regulation and signaling pathways involved in growth inhibition in CRC cells remains to be identified. In this study, ginkgetin-treated HCT116 CRC cells exhibited significant dose-dependent growth inhibition with a GI50 value of 4.0 µM for 48-h treatment, together with apoptosis, via G2-phase cell cycle arrest. When HCT116 cells were treated with 10 µM ginkgetin for 48 h, the percentage of cells in G2/M phase increased by 2...
September 5, 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/28902352/gper-promotes-tamoxifen-resistance-in-er-breast-cancer-cells-by-reduced-bim-proteins-through-mapk-erk-trim2-signaling-axis
#3
Heng Yin, Qing Zhu, Manran Liu, Gang Tu, Qing Li, Jie Yuan, Siyang Wen, Guanglun Yang
Tamoxifen resistance is a major clinical challenge in breast cancer treatment. Our previous studies find that GPER and its down-stream signaling play a pivotal role in the development of tamoxifen (TAM) resistance. cDNA array analysis indicated a set of genes associated with cell apoptosis are aberrant in GPER activated and TAM-resistant MCF-7R cells compared with TAM-sensitive MCF-7 cells. Among these genes, Bim (also named BCL2-L11), a member of the BH3-only pro-apoptotic protein family is significantly decreased, and TRIM RING finger protein TRIM2 (a ubiquitin ligase) is highly expressed in MCF-7R...
September 5, 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/28902369/synergistic-inhibitory-effects-on-hepatocellular-carcinoma-with-recombinant-human-adenovirus-aspp2-and-oxaliplatin-via-p53-independent-pathway-in-vitro-and-in-vivo
#4
Xiaoni Liu, Jianji Xu, Shuang Wang, Xiaoxiao Yu, Boxin Kou, Mengyin Chai, Yunjin Zang, Dexi Chen
The present study was designed to investigate the synergistic inhibitory effects on hepatocellular carcinoma with recombinant human adenovirus Aspp2 (Aspp2-ad) and oxaliplatin via p53-independent pathway in vitro and in vivo. After being treated with Aspp2-ad and/or oxaliplatin for 24-48 h, HepG2P53-/- and Hep3B cells showed a significant growth inhibition compared with vehicle control. Combination group showed a synergetic effect, the inhibitory rates were all above 80% at 48 h point in HepG2P53-/- and Hep3B cells...
August 29, 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/28902345/cx32-suppresses-extrinsic-apoptosis-in-human-cervical-cancer-cells-via-the-nf%C3%A2-%C3%AE%C2%BAb-signalling-pathway
#5
Yongchang Lai, Lixia Fan, Yifan Zhao, Hui Ge, Xue Feng, Qin Wang, Xiaomin Zhang, Yuexia Peng, Xiyan Wang, Liang Tao
Tumour necrosis factor α (TNFα) and TNF‑related apoptosis inducing ligand (TRAIL) usually trigger either survival or apoptosis signals in various cell types, and nuclear factor κB (NF‑κB) is a key factor that regulates their biological effects. Connexin 32 (Cx32) is a gap junction (GJ) protein that plays vital roles in tumourigenesis and tumour progression. Our previous study explored abnormal Cx32 expression in para‑nuclear areas, exacerbated prognostic parameters and suppressed streptonigrin/cisplatin-induced apoptosis in human cervical cancer (CaCx) cells...
August 29, 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/28848996/activation-of-the-rock1-mmp-9-pathway-is-associated-with-the-invasion-and-poor-prognosis-in-papillary-thyroid-carcinoma
#6
Dingyuan Luo, Haibo Chen, Xiaojuan Li, Penghui Lu, Miaoyun Long, Xinzhi Peng, Shaojian Lin, Langping Tan, Yue Zhu, Nengtai Ouyang, Honghao Li
Rho-associated protein kinase 1 (ROCK1), a serine/threonine kinase, has previously been shown to be over-expressed in various types of human malignant tumors and to play an important role in cancer development and progression. Although ROCK1 has gained growing prominence as an important protein kinase in cancer biology, its potential as a predictive biomarker and a therapeutic target in papillary thyroid carcinoma (PTC) remains unknown. In the present study, ROCK1 expression was examined in 356 formalin-fixed, paraffin-embedded papillary thyroid carcinoma tissues using immunohistochemistry, and its clinical implications and prognostic significance were analyzed...
August 23, 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/28849188/expression-of-carbonic-anhydrase-ix-is-associated-with-poor-prognosis-through-regulation-of-the-epithelial%C3%A2-mesenchymal-transition-in-hepatocellular-carcinoma
#7
Satoshi Hyuga, Hiroshi Wada, Hidetoshi Eguchi, Toru Otsuru, Yoshifumi Iwgami, Daisaku Yamada, Takehiro Noda, Tadafumi Asaoka, Koichi Kawamoto, Kunihito Gotoh, Yutaka Takeda, Masahiro Tanemura, Koji Umeshita, Yuichiro Doki, Masaki Mori
Carbonic anhydrase 9 (CA9) is a plasma membrane-associated isoenzyme that catalyzes pH regulation under hypoxic conditions. CA9 is transcriptionally regulated by hypoxia-inducible factor 1. Recent studies reported that hypoxia also promoted the epithelial-mesenchymal transition (EMT) in various cancers. In the present study, we evaluated the relationship between CA9 expression and EMT in vitro with two hepatoma cell lines. We also examined the clinical significance of CA9 expression in 117 consecutive patients that underwent hepatectomies for hepatocellular carcinoma (HCC)...
August 22, 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/28849150/novel-crosstalk-between-klf4-and-zeb1-regulates-gemcitabine-resistance-in-pancreatic-ductal-adenocarcinoma
#8
Zhiyi Wang, Yuan Chen, Yanliang Lin, Xinxing Wang, Xianping Cui, Zhenhai Zhang, Guozhe Xian, Chengkun Qin
Pancreatic ductal adenocarcinoma (PDAC) is one of the most lethal malignancies with broad resistance to chemotherapeutic drugs. Krüppel-like factor 4 (KLF4) is a candidate tumor suppressor in PDAC. However, the precise role of KLF4 in gemcitabine resistance of PDAC remains largely unclear. In this study, we demonstrated that gemcitabine inhibited KLF4 expression. Moreover, gemcitabine also reduced the levels of miR‑200b and miR‑183, but promoted ZEB1 expression in PDAC cells. KLF4 knockdown blocked the expression of miR‑200b and miR‑183, and inversely, KLF4 overexpression promoted the expression of miR‑200b and miR‑183, suggesting that KLF4 positively regulated the expression of miR‑200b and miR‑183...
August 22, 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/28849210/disrupting-mitochondrial-ca2-homeostasis-causes-tumor-selective-trail-sensitization-through-mitochondrial-network-abnormalities
#9
Yohei Ohshima, Natsuhiko Takata, Miki Suzuki-Karasaki, Yukihiro Yoshida, Yasuaki Tokuhashi, Yoshihiro Suzuki-Karasaki
The tumor necrosis factor-related apoptosis-inducing ligand (TRAIL) has emerged as a promising anticancer agent with high tumor-selective cytotoxicity. The congenital and acquired resistance of some cancer types including malignant melanoma and osteosarcoma impede the current TRAIL therapy of these cancers. Since fine tuning of the intracellular Ca2+ level is essential for cell function and survival, Ca2+ dynamics could be a promising target for cancer treatment. Recently, we demonstrated that mitochondrial Ca2+ removal increased TRAIL efficacy toward malignant melanoma and osteosarcoma cells...
August 11, 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/28791339/identification-of-novel-genetic-etiology-and-key-molecular-pathways-for-seminoma-via-network-based-studies
#10
Yuanlei Chen, Chao Qi, Liqun Xia, Gonghui Li
Seminoma is the most common testicular malignant germ cell tumor which severely threaten male reproductive health. However, the pathogenesis and progression mechanisms are still unclear and little research is carried out to uncover the mechanism of this cancer. To identify gene signatures that are expected to converge on particular molecular pathways may drive the development of the core cancer characteristics in seminoma. We downloaded the gene expression profiles GSE18155 from GEO database and obtained the differentially expressed genes (DEGs)...
August 4, 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/28791416/luteolin-induces-apoptotic-cell-death-via-antioxidant-activity-in-human-colon-cancer-cells
#11
Kyoung Ah Kang, Mei Jing Piao, Yea Seong Ryu, Yu Jae Hyun, Jeong Eon Park, Kristina Shilnikova, Ao Xuan Zhen, Hee Kyoung Kang, Young Sang Koh, Yong Joo Jeong, Jin Won Hyun
The present study determined whether luteolin induces HT-29 colon cancer cell death through an antioxidant effect such as the activation of antioxidant enzymes. Luteolin decreased cell viability in human colon cancer cells (HT-29), whereas it had no effect on normal colon cells (FHC). Luteolin induced apoptosis by activating the mitochondria-mediated caspase pathway in HT-29 cells. Luteolin caused loss of the mitochondrial membrane action potential, increased mitochondrial Ca2+ level, upregulated Bax, downregulated Bcl-2, induced the release of cytochrome c from mitochondria to the cytosol, and increased the levels of the active forms of caspase-9 and caspase-3...
August 2, 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/28791405/silibinin-suppresses-bladder-cancer-cell-malignancy-and-chemoresistance-in-an-nf-%C3%AE%C2%BAb-signal-dependent-and-signal-independent-manner
#12
Yi Sun, Zhenfeng Guan, Wencai Zhao, Yazhuo Jiang, Qing Li, Yongyi Cheng, Yonggang Xu
Because bladder cancer (BCa) is the 9th most common malignant tumor and 13th leading cause of death due to cancer, therapeutic approaches have attracted a great deal of attention from both clinicians and BCa patients. Although the development of surgery and targeted drugs has brought new challenges for the traditional concept of BCa therapy, various types of chemotherapy remain the final treatment method for many BCa patients. However, chemoresistance inevitably appears, leading to the failure of chemotherapy...
August 2, 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/28791350/prl-3-improves-colorectal-cancer-cell-proliferation-and-invasion-through-il-8-mediated-glycolysis-metabolism
#13
Heyang Xu, Yujie Zeng, Lu Liu, Qian Gao, Shaowen Jin, Qiusheng Lan, Wei Lai, Xingxi Luo, Heng Wu, Yongliang Huang, Zhonghua Chu
Phosphatase of regenerating liver-3 (PRL-3) has been found to be overexpressed in liver metastases of colorectal cancer and rarely expressed in primary tumors, which plays an important role in the metastasis of colorectal cancer cells. Metabolism reprogramming has been found to be a hallmark of cancer cells, and aerobic glycolysis is a metabolic adaption for cancer cells and promotes cell proliferation. However, the association between PRL-3 and glycolysis in colorectal cancer cells is not well understood. In the present study, we explored the association between PRL-3 and glycolysis...
August 2, 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/28731124/bmp7-mediates-the-anticancer-effect-of-honokiol-by-upregulating-p53-in-hct116-cells
#14
Rong-Xing Liu, Wen-Yan Ren, Yan Ma, Yun-Peng Liao, Han Wang, Jia-Hui Zhu, Hai-Tao Jiang, Ke Wu, Bai-Cheng He, Wen-Juan Sun
Colorectal cancer (CRC) is the second leading cause of cancer death. Hence, there is a great need to explore new efficacious drugs for the treatment of CRC. Honokiol (HNK), a natural product extracted from magnolia bark, processes various biological activities, including anticancer. In this study, we introduced cell viability assay, western blotting, real-time PCR and immunofluorescent staining to determine the anticancer effect of HNK, and the possible mechanism underlying this biological process. We found that HNK can inhibit the proliferation and induce apoptosis in HCT116 cells in a concentration- and time-dependent manner...
July 21, 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/28731134/a-novel-gene-expression-scoring-system-for-accurate-diagnosis-of-basaloid-squamous-cell-carcinoma-of-the-esophagus
#15
Takeshi Tada, Reiko Honma, Jun-Ichi Imai, Zenichiro Saze, Michihiko Kogure, Shigeru Marubashi, Kazuhiro Tasaki, Masamitu Unakami, Junji Ezaki, Hirosumi Tamura, Akira Nishikawa, Yuko Hashimoto, Satoshi Waguri, Shinya Watanabe, Mitsukazu Gotoh
Basaloid squamous cell carcinoma of the esophagus (BSCE) is a rare variant of squamous cell carcinoma that is difficult to distinguish from other carcinomas by preoperative endoscopic biopsy because of its histological varieties. Accurate diagnosis is essential for adequate treatment, and the methods proposed so far (e.g., immunohistochemical staining) have limitations. In this study, we tried to identify the characteristic bundles of gene expression in BSCE using comprehensive gene expression analysis (CGEA)...
July 19, 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/28731125/n-peptide-of-vmip-%C3%A2-reverses-paclitaxel-resistance-by-regulating-mirna-335-in-breast-cancer
#16
Yangyang Wang, Haifeng Wang, Yongxing Ding, Yu Li, Sulian Chen, Lingyu Zhang, Haihua Wu, Jihong Zhou, Kecai Duan, Wenrui Wang, Changjie Chen, Qingling Yang
Acquisition of resistance to paclitaxel is one of the most important problems in treatment of breast cancer patients, but the molecular mechanisms underlying sensitivity to paclitaxel remains elusive. Emerging evidence has demonstrated that microRNAs (miRNAs) play important roles in regulation of cell growth, migration and invasion through inhibiting the expression of its target genes. In our previous studies, we have shown that microRNA-335 (miR‑335) decreased obviously between paclitaxel-resistant (PR) and parental breast cancer cells through miRNA microarray...
July 19, 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/28713929/microrna-379-inhibits-metastasis-and-epithelial-mesenchymal-transition-via-targeting-fak-akt-signaling-in-gastric-cancer
#17
Meizhong Xu, Shui Qin, Fan Cao, Shi Ding, Mengnan Li
Accumulating evidence demonstrates that aberrant miRNAs contribute to gastric cancer (GC) development and progression. However, the roles of various miRNAs in GC remain to be determined. In the present study, we confirmed that a reduced miR-379 expression was present in GC tissues and cell lines. Our clinical analysis revealed that the downregulated miR-379 expression was significantly correlated with poor prognostic features including lymph node metastasis and advanced TNM stage. Moreover, we confirmed that miR-379 was a novel independent prognostic marker for predicting 5-year survival of GC patients...
July 12, 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/28713983/malformin%C3%A2-a1-treatment-alters-invasive-and-oncogenic-phenotypes-of-human-colorectal-cancer-cells-through-stimulation-of-the-p38-signaling-pathway
#18
Sun-Young Park, Hyung-Hoon Oh, Young-Lan Park, Hyung-Min Yu, Dae-Seong Myung, Sung-Bum Cho, Wan-Sik Lee, Daeho Park, Young-Eun Joo
Malformin A1 (MA1), a cyclic pentapeptide isolated from Aspergillus niger, has been found to possess a range of bioactive properties including antibacterial activity. However, it is unclear whether MA1 exerts an anticancer effect or not. In this study, we conducted in vitro experiments to investigate its anticancer properties in human colorectal cancer cells. The effect of MA1 on human colorectal cancer cells, SW480 and DKO1, was examined by the WST-1 cell viability assay, inverted microscopy, 5-bromo-2-deoxyuridine (BrdU) incorporation, flow cytometry, DNA fragmentation, wound healing, Transwell assays, and western blotting...
July 10, 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/28713941/additive-antitumor-effects-of-celecoxib-and-simvastatin-on-head-and-neck-squamous-cell-carcinoma-in%C3%A2-vitro
#19
Thomas Gehrke, Agmal Scherzad, Stephan Hackenberg, Pascal Ickrath, Philipp Schendzielorz, Rudolf Hagen, Norbert Kleinsasser
Lipid-lowering statins as well as non-steroidal anti-inflammatory drugs (NSAIDs) have been reported to possess cancer-protective effects in many epidemiologic cohort studies. However, the underlying mechanisms of these findings are mostly unknown. To evaluate possible additive antitumor effects of statins and NSAIDs in vitro, PJ-41 and HLaC78 head and neck squamous cell carcinoma cells (HNSCC) were treated with 40 µM celecoxib, 50 µM simvastatin or a combination of both. Analysis of tumor viability, proliferation, apoptosis, cell cycle changes and secretion of interleukin-6 (IL-6) and interleukin-8 (IL-8) was conducted via MTT assay, Annexin V-propidium iodide test, cell cycle analysis, colony assay and enzyme-linked immunosorbent assay (ELISA)...
July 10, 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/28713968/inhibition-of-proliferation-and-invasion-of-hepatocellular-carcinoma-cells-by-lncrna-aslnc02525-silencing-and-the-mechanism
#20
Zi Chen, Dongwen Xu, Tao Zhang
One of the most differentially expressed long non-coding RNAs (lncRNAs) that we identified by high throughput screening from liver cancer and para-carcinoma tissues, ASLNC02525, was highly expressed in the tissues and cell lines of liver cancer but not in adjacent tissues or normal hepatic cells. Knockdown of ASLNC02525 in hepatocellular carcinoma cells inhibited the proliferation and invasion. In the process, expression level of transcription factor twist1 (twist‑related protein 1) was reduced, but no change at transcription level was observed...
July 7, 2017: International Journal of Oncology
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