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Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine

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https://www.readbyqxmd.com/read/28050866/microrna-638-inhibits-cell-proliferation-by-targeting-suppress-pim1-expression-in-human-osteosarcoma
#1
Xiao-Xu Wang, Jue Liu, Yi-Min Tang, Liang Hong, Zhi Zeng, Guang-Hua Tan
MicroRNAs (miRNAs) are a type of small noncoding RNAs that often play important roles in carcinogenesis, but the carcinogenic mechanism of miRNAs is still unclear. This study will investigate the functions and the mechanism of miR-638 in osteosarcoma (OS). The expression of miR-638 in OS and the DNA copy number of miR-638 were detected by real-time PCR. The effect of miR-638 on cell proliferation was measured by CCK8 assay. Different assays, including bioinformatics algorithms, luciferase report assay, and Western blotting, were used to identify the target gene proviral integration site for Moloney murine leukemia virus 1 (PIM1) of miR-638 in OS...
January 3, 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/27909978/il-17a-produced-by-peritoneal-macrophages-promote-the-accumulation-and-function-of-granulocytic-myeloid-derived-suppressor-cells-in-the-development-of-colitis-associated-cancer
#2
Yue Zhang, Juan Wang, Wenxin Wang, Jie Tian, Kai Yin, Xinyi Tang, Jie Ma, Huaxi Xu, Shengjun Wang
It is widely acknowledged that a close relationship is between inflammation and colon cancer. Interleukin (IL)-17A and myeloid-derived suppressor cells (MDSCs) play an important role in the development of colitis-associated cancer (CAC). However, the precise changes of IL-17, MDSCs, and Th17 cells during the CAC progression have not been observed in the colorectal chronic inflammation-dependent tumor. In this study, we found the level of IL-17 was increased in pathogenic colon site during the early stage of CAC model...
December 1, 2016: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28231738/pedigree-and-brca-gene-analysis-in-breast-cancer-patients-to-identify-hereditary-breast-and-ovarian-cancer-syndrome-to-prevent-morbidity-and-mortality-of-disease-in-indian-population
#3
Mina Darooei, Subhadra Poornima, Bibi Umae Salma, Gayatri R Iyer, Akhilesh N Pujar, Srirambhatla Annapurna, Ashwin Shah, Srinivas Maddali, Qurratulain Hasan
Global burden of breast cancer is expected to increase to >2 million new cases every year by 2030 and 10% of these are likely to have hereditary breast and ovarian cancer syndrome. Identifying these individuals by pedigree and BRCA1/2 mutation analyses will enable us to offer targeted mutation testing and appropriate counseling. This study from a tertiary care hospital showed that of the 127 breast cancer patients on treatment during 2014-2015, 24 of them fulfilled the criteria of hereditary breast and ovarian cancer syndrome after detailed verbal autopsy and pedigree analysis, and BRCA1 and 2 next-generation sequencing done after pre-test counseling revealed mutations in 13 cases (54%), these included 9 BRCA1 mutations (69%) and 4 BRCA2 mutation (31%)...
February 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28231737/cdk9-is-a-prognostic-marker-and-therapeutic-target-in-pancreatic-cancer
#4
Anna-Laura Kretz, Monika Schaum, Julia Richter, Ella F Kitzig, Christine C Engler, Frank Leithäuser, Doris Henne-Bruns, Uwe Knippschild, Johannes Lemke
Despite recent advances in diagnosis and therapy, prognosis of pancreatic cancer still remains very poor. Besides valid prognostic markers, novel therapeutic approaches are urgently needed. The family of cyclin-dependent kinases comprises 20 kinases which contribute to malignancy by promoting proliferation, migration, invasion, and apoptotic resistance of cancer cells. In this work, we investigated the role of CDK9 in pancreatic cancer. Immunohistochemical analysis of CDK9 expression in tumor and normal tissue of pancreatic cancer patients revealed an overexpression of CDK9 in pancreatic cancer tissue...
February 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28231736/orai1-mediates-tumor-promoting-store-operated-ca-2-entry-in-human-gastrointestinal-stromal-tumors-via-c-kit-and-the-extracellular-signal-regulated-kinase-pathway
#5
Lei Wang, Jiaqi Hao, Yijian Zhang, Ziyi Yang, Yang Cao, Wei Lu, Yijun Shu, Lin Jiang, Yunping Hu, Wenjie Lv, Yingbin Liu, Ping Dong
Gastrointestinal stromal tumors originate from interstitial cells of Cajal, the pacemaker cells of the gut. Ca(2+) regulates the pacemaker activity of interstitial cells of Cajal. Store-operated Ca(2+) entry mediates the majority of Ca(2+) entry in most cancer cells and may be a factor in regulating intracellular Ca(2+) in interstitial cells of Cajal and gastrointestinal stromal tumors. Therefore, a blockade of this mechanism may affect the progression of gastrointestinal stromal tumors. Orai1 is the pore subunit of store-operated Ca(2+) channels...
February 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28231735/beta-1-4-galactosyltransferase-ii-predicts-poor-prognosis-of-patients-with-non-metastatic-clear-cell-renal-cell-carcinoma
#6
Haijian Zhang, Yidong Liu, Huyang Xie, Qiang Fu, Zheng Liu, Yu Zhu, Le Xu, Weijuan Zhang, Yuanfeng Yang, Jiejie Xu
Beta-1,4-galactosyltransferase II is found to be associated with the alterations of tumor-related glycosylation. However, the clinical significance of beta-1,4-galactosyltransferase II in non-metastatic clear-cell renal cell carcinoma has not been reported up to now. Herein, our researches suggested that the expression level of beta-1,4-galactosyltransferase II was first found to be positively associated with tumor size, Fuhrman grade, lymphovascular invasion, rhabdoid differentiation, tumor necrosis and poor overall survival and recurrence-free survival of patients with non-metastatic clear-cell renal cell carcinoma, both in training set and validation set...
February 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28231734/long-non-coding-rna-xist-promotes-cell-growth-by-regulating-mir-139-5p-pdk1-akt-axis-in-hepatocellular-carcinoma
#7
Yichao Mo, Yaoyong Lu, Peng Wang, Simin Huang, Longguang He, Dasheng Li, Fuliang Li, Junwei Huang, Xiaoxia Lin, Xueru Li, Siyao Che, Qinshou Chen
Abnormal expression of long non-coding RNA often contributes to unrestricted growth of cancer cells. Long non-coding RNA XIST expression is upregulated in several cancers; however, its modulatory mechanisms have not been reported in hepatocellular carcinoma. In this study, we found that XIST expression was significantly increased in hepatocellular carcinoma tissues and cell lines. XIST promoted cell cycle progression from the G1 phase to the S phase and protected cells from apoptosis, which contributed to hepatocellular carcinoma cell growth...
February 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28231733/the-pseudogene-derived-long-noncoding-rna-sfta1p-is-down-regulated-and-suppresses-cell-migration-and-invasion-in-lung-adenocarcinoma
#8
Hua Zhang, Yaqiong Xiong, Rui Xia, Chenchen Wei, Xuefei Shi, Fengqi Nie
Pseudogenes were once considered to be genomic fossils without biological function. Interestingly, recent evidence showed that a lot of pseudogenes are transcribed in human cancers, and their alterations contribute to multiple cancer development and progression. It is apparent that many pseudogenes transcribe noncoding RNAs and contribute to the role noncoding genome plays in human cancers. On this basis, some pseudogene transcripts are currently ranked among the classes of long noncoding RNAs. In this study, we identified a new pseudogene-derived long noncoding RNA termed SFTA1P by analyzing the microarray data of non-small cell lung cancer from Gene Expression Omnibus datasets...
February 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28231732/protein-arginine-n-methyltransferase-1-promotes-the-proliferation-and-metastasis-of-hepatocellular-carcinoma-cells
#9
Qing Gou, ShuJiao He, ZeJian Zhou
Hepatocellular carcinoma is the most common subtype of liver cancer. Protein arginine N-methyltransferase 1 was shown to be upregulated in various cancers. However, the role of protein arginine N-methyltransferase 1 in hepatocellular carcinoma progression remains incompletely understood. We investigated the clinical and functional significance of protein arginine N-methyltransferase 1 in a series of clinical hepatocellular carcinoma samples and a panel of hepatocellular carcinoma cell lines. We performed suppression analysis of protein arginine N-methyltransferase 1 using small interfering RNA to determine the biological roles of protein arginine N-methyltransferase 1 in hepatocellular carcinoma...
February 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28231731/cancer-chemoprevention-by-an-adenosine-derivative-in-a-model-of-cirrhosis-hepatocellular-carcinoma-induced-by-diethylnitrosamine-in-rats
#10
Gabriela Velasco-Loyden, Lidia Pérez-Martínez, Susana Vidrio-Gómez, Julio Isael Pérez-Carreón, Victoria Chagoya de Sánchez
Hepatocellular carcinoma is one of the most common cancers, and approximately 80% develop from cirrhotic livers. We have previously shown that the aspartate salt of adenosine prevents and reverses carbon tetrachloride-induced liver fibrosis in rats. Considering the hepatoprotective role of this adenosine derivative in fibrogenesis, we were interested in evaluating its effect in a hepatocarcinogenesis model induced by diethylnitrosamine in rats, where multinodular cancer is preceded by cirrhosis. Rats were injected with diethylnitrosamine for 12 weeks to induce cirrhosis and for 16 weeks to induce hepatocarcinogenesis...
February 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28231730/mir-122-promotes-renal-cancer-cell-proliferation-by-targeting-sprouty2
#11
Zijie Wang, Chao Qin, Jing Zhang, Zhijian Han, Jun Tao, Qiang Cao, Wanli Zhou, Zhen Xu, Chunchun Zhao, Ruoyun Tan, Min Gu
MicroRNAs are short non-coding RNAs, which have been implicated in several biological processes. Aberrant expression of the microRNA miR-122 has frequently been reported in malignant cancers. However, the mechanism underlying the effects of miR-122 in renal cell carcinoma remains unknown. The aim of this study was to determine the biological function of miR-122 in renal cell carcinoma and to identify a novel molecular target regulated by miR-122. We measured the expression levels of Sprouty2 in six renal cell carcinoma tissue samples and adjacent non-tumor tissues by western blot analysis...
February 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28231729/association-of-a-common-variant-of-synpo2-gene-with-increased-risk-of-serous-epithelial-ovarian-cancer
#12
Li Ma, Wei Zhang, Zhaoli Ding, Stephen G Wu, Yaofeng Jin, Na Jiang, Hongyan Du, Dongge Cai, Li Miao, Xiaoli Chen
In China, the majority of ovarian cancer patients (80%-90%) are women who are diagnosed with epithelial ovarian cancer. The SYNPO2 gene has recently been reported to be associated with epithelial ovarian cancer in Europeans. To investigate the association of common variants of SYNPO2 gene with epithelial ovarian cancer in Han Chinese individuals, we designed a case-control study with 719 epithelial ovarian cancer patients and 1568 unrelated healthy controls of Han Chinese descent. A total of 49 tagging single-nucleotide polymorphisms were genotyped; single-single-nucleotide polymorphism association, imputation, and haplotypic association analyses were performed...
February 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28231728/microrna-543-acts-as-a-prognostic-marker-and-promotes-the-cell-proliferation-in-cervical-cancer-by-brca1-interacting-protein-1
#13
Huimin Dang, Pengsheng Zheng, Yu Liu, Xiaoling Wu, Xili Wu
Human cervical cancer is one of the most common malignancies worldwide. Recent studies have focused on microRNAs that play crucial roles in cancer development and progression of cervical cancer. In this study, we aimed to analyse the biological function of microRNA-543 in cervical cancer. Samples of human cervical cancer and matched adjacent normal cervical tissues were collected, and expression level of microRNA-543 and the clinical characteristics of cervical cancer were investigated. We found that microRNA-543 expression was significantly elevated in cervical cancer and its aberrant expression levels were positively correlated with tumour size ( p = 0...
February 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28231727/overexpression-of-junctional-adhesion-molecule-a-and-ephb2-predicts-poor-survival-in-lung-adenocarcinoma-patients
#14
Chen Zhao, Aili Wang, Funian Lu, Hongxia Chen, Pin Fu, Xianda Zhao, Honglei Chen
Junctional adhesion molecules are important components of tight junctions, and Eph/ephrin proteins constitute the largest family of receptor tyrosine kinases. Both junctional adhesion molecules and Eph/ephrin are involved in normal tissue development and cancer progression. However, the expression levels and clinical significances of junctional adhesion molecule-A, a member of junctional adhesion molecules, and EphB2, a member of Eph/ephrin family, in lung adenocarcinoma patients are unclear. Therefore, in this study, we aimed to identify the expression and prognostic values of junctional adhesion molecule-A and EphB2 in lung adenocarcinoma patients' cohort...
February 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28231726/downregulation-of-a-novel-long-noncoding-rna-trpm2-as-promotes-apoptosis-in-non-small-cell-lung-cancer
#15
Cheng Huang, Yingzhi Qin, Hongsheng Liu, Naixin Liang, Yeye Chen, Dongjie Ma, Zhijun Han, Xiaohui Xu, Xiaoyun Zhou, Jia He, Shanqing Li
Non-small cell lung cancer is one of the most common types of cancer, and the prognosis of non-small cell lung cancer is still poor. Recent evidence has proved that long noncoding RNA is involved in tumorigenesis. For non-small cell lung cancer, the expression profile of long noncoding RNA has been studied. Here, we identified a novel long noncoding RNA TRPM2-AS from published dataset and found TRPM2-AS is widely upregulated in non-small cell lung cancer tissues compared with adjacent non-tumor tissues. Higher expression level of TRPM2-AS was correlated with higher TNM stages and larger tumor size...
February 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28231725/extracellular-vesicles-an-overview-of-biogenesis-function-and-role-in-breast-cancer
#16
Quan Bin Zha, Yu Feng Yao, Zhao Jun Ren, Xiu Juan Li, Jin Hai Tang
Extracellular vesicles have emerged as important mediators of intercellular communication and play an active role in cancer, including breast cancer. Despite limited studies, initial observations suggest that these vesicles are important in breast physiology and pathophysiology. We here, in brief, describe their potential use as future biomarkers and therapeutic agents in breast cancer. Extracellular vesicles in blood and breast fluid may have a great potential to detect and predict the presence of breast cancer, and extracellular vesicles modulation may emerge as a therapeutic approach in cancer therapy...
February 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28229621/caveolin-1-expression-favors-tumor-growth-and-is-associated-with-poor-survival-in-primary-lung-adenocarcinomas
#17
Eleonora Duregon, Rebecca Senetta, Luca Bertero, Benedetta Bussolati, Laura Annaratone, Alessandra Pittaro, Mauro Papotti, Caterina Marchiò, Paola Cassoni
Despite the consolidated clinico-pathological correlates of Caveolin 1 expression in non-small cell lung cancer, the available data on the role of Caveolin 1 in relation to proliferation, migration, and metastasis in lung adenocarcinoma cells is still scant. Here, we aimed to confirm whether Caveolin 1 may act as a promoter of cell growth in human lung adenocarcinoma using in vitro and in vivo models, supported by a survival analysis of Caveolin 1 expression in a series of 116 primary lung adenocarcinomas. The silencing of endogenous Caveolin 1 expression in H522 lung adenocarcinoma cells through stable shRNA transfection significantly inhibited cellular proliferation in vitro and in vivo, in a lung adenocarcinoma xenograft mouse model...
February 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28222672/long-leukocyte-telomere-length-in-prostate-cancer-patients-at-diagnosis-is-associated-with-poor-metastasis-free-and-cancer-specific-survival
#18
Ulrika Svenson, Göran Roos, Pernilla Wikström
Previous studies have suggested that leukocyte telomere length is associated with risk of developing prostate cancer. Investigations of leukocyte telomere length as a prognostic factor in prostate cancer are, however, lacking. In this study, leukocyte telomere length was investigated both as a risk marker, comparing control subjects and patient risk groups (based on serum levels of prostate-specific antigen, tumor differentiation, and tumor stage), and as a prognostic marker for metastasis-free and cancer-specific survival...
February 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28222671/reversal-of-hypermethylation-and-reactivation-of-glutathione-s-transferase-pi-1-gene-by-curcumin-in-breast-cancer-cell-line
#19
Umesh Kumar, Ujjawal Sharma, Garima Rathi
One of the mechanisms for epigenetic silencing of tumor suppressor genes is hypermethylation of cytosine residue at CpG islands at their promoter region that contributes to malignant progression of tumor. Therefore, activation of tumor suppressor genes that have been silenced by promoter methylation is considered to be very attractive molecular target for cancer therapy. Epigenetic silencing of glutathione S-transferase pi 1, a tumor suppressor gene, is involved in various types of cancers including breast cancer...
February 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28222670/microrna-223-3p-inhibits-human-bladder-cancer-cell-migration-and-invasion
#20
Ju Guo, Runfu Cao, Xingwei Yu, Zewen Xiao, Zhiwen Chen
The regulation of initiation and progression during carcinogenesis of bladder carcinoma is not completely elucidated. Dysregulation of microRNAs has been detected to play critical roles in the development of various cancers, including bladder carcinoma, whereas the involvement of miR-223-3p in the tumorigenesis of bladder carcinoma has not been studied. Here, we show that significantly higher levels of nuclear receptor coactivator 1 and significantly lower levels of miR-223-3p were detected in bladder carcinoma tissue, compared to the adjacent non-tumor tissue...
February 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
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