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https://www.readbyqxmd.com/read/28677721/zinc-finger-protein-545-is-inactivated-due-to-promoter-methylation-and-functions-as-a-tumor-suppressor-through-the-wnt-%C3%AE-catenin-pi3k-akt-and-mapk-erk-signaling-pathways-in-colorectal-cancer
#1
Shili Xiang, Tingxiu Xiang, Qian Xiao, Yunhai Li, Bianfei Shao, Tao Luo
The transcription factor, zinc-finger protein 545 (ZNF545), that belongs to the Kruppel-associated box zinc-finger protein (KRAB-ZFP) family, acts as a tumor suppressor and is inactivated by promoter methylation in cancers such as nasopharyngeal carcinoma, breast cancer, and gastric cancer, but its role in colorectal cancer (CRC) is unknown. The purpose of this study was to characterize the ZNF545 expression, methylation status, biological function, and related molecular mechanisms in CRC. The results showed that ZNF545 was expressed in adult normal colorectal tissues, but downregulated or silenced in CRC cell lines, and this mechanism was reversed by demethylation treatment with 5-aza-2'-deoxycytidine and trichostatin A...
July 4, 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/28653172/a-cis-eqtl-genetic-variant-of-the-cancer-testis-gene-ccdc116-is-associated-with-risk-of-multiple-cancers
#2
Na Qin, Cheng Wang, Qun Lu, Tongtong Huang, Meng Zhu, Lihua Wang, Fei Yu, Mingtao Huang, Yue Jiang, Juncheng Dai, Hongxia Ma, Guangfu Jin, Chen Wu, Dongxin Lin, Hongbing Shen, Zhibin Hu
Recent studies have found that cancer-testis (CT) genes, which are expressed predominantly in germ and cancer cells, may be candidate cancer drivers. Because of their crucial roles, genetic variants in these genes may contribute to the development of cancer. Here, we systematically evaluated associations of common variants in CT genes and their promoters for the risk of lung cancer in our initial GWAS (2331 cases and 3077 controls), followed by in silico replication using additional 10,512 lung cancer cases and 9562 controls...
August 2017: Human Genetics
https://www.readbyqxmd.com/read/28651018/meta-analysis-of-mirna-expression-profiles-for-prostate-cancer-recurrence-following-radical-prostatectomy
#3
Elnaz Pashaei, Elham Pashaei, Maryam Ahmady, Mustafa Ozen, Nizamettin Aydin
BACKGROUND: Prostate cancer (PCa) is a leading reason of death in men and the most diagnosed malignancies in the western countries at the present time. After radical prostatectomy (RP), nearly 30% of men develop clinical recurrence with high serum prostate-specific antigen levels. An important challenge in PCa research is to identify effective predictors of tumor recurrence. The molecular alterations in microRNAs are associated with PCa initiation and progression. Several miRNA microarray studies have been conducted in recurrence PCa, but the results vary among different studies...
2017: PloS One
https://www.readbyqxmd.com/read/28643319/-progress-of-the-application-of-optical-coherence-tomography-in-gastrointestinal-tumor-surgery
#4
Yongsheng Li, Hao Liu, Haipeng Huang, Yu Zhu, Haijun Deng, Jiang Yu, Site Luo, Li Huo, Li Lin, Huikai Xie, Guoxin Li
Optical coherence tomography (OCT) is a real-time, cross-sectional optical imaging technology. It is analogous to ultrasonography, except that OCT uses light waves instead of sound waves, and can provide three-dimensional morphological images of living tissues with a micrometer resolution. Through the use of endoscopes, needles, catheters and laparoscopes, OCT has demonstrated tremendous imaging potential in tumor surgery. The current studies suggest that OCT has potential for clinical applications in the following fields of gastrointestinal tumor surgery: (1) Early tumor detection and diagnosis: OCT can distinguish differences between polyp tissue, normal tissue and malignant tissue...
June 25, 2017: Zhonghua Wei Chang Wai Ke za Zhi, Chinese Journal of Gastrointestinal Surgery
https://www.readbyqxmd.com/read/28636538/phase-i-dose-escalation-study-of-the-c-met-tyrosine-kinase-inhibitor-sar125844-in-asian-patients-with-advanced-solid-tumors-including-patients-with-met-amplified-gastric-cancer
#5
Kohei Shitara, Tae Min Kim, Tomoya Yokota, Masahiro Goto, Taroh Satoh, Jin-Hee Ahn, Hyo Song Kim, Sylvie Assadourian, Corinne Gomez, Marzia Harnois, Satoshi Hamauchi, Toshihiro Kudo, Toshihido Doi, Yung-Jue Bang
SAR125844 is a potent and selective inhibitor of the c-Met kinase receptor. This was an open-label, phase I, multicenter, dose-escalation, and dose-expansion trial of SAR125844 in Asian patients with solid tumors, a subgroup of whom had gastric cancer and MET amplification (NCT01657214). SAR125844 was administered by intravenous infusion (260-570 mg/m2) on days 1, 8, 15, and 22 of each 28-day cycle. Objectives were to determine the maximum tolerated dose (MTD) and to evaluate SAR125844 safety and pharmacokinetic profile...
June 16, 2017: Oncotarget
https://www.readbyqxmd.com/read/28615525/casp8-652-6n-insertion-deletion-polymorphism-and-overall-cancer-risk-evidence-from-49-studies
#6
Jiarong Cai, Qingjian Ye, Suling Luo, Ze Zhuang, Kui He, Zhen-Jian Zhuo, Xiaochun Wan, Juan Cheng
The CASP8 -652 6N insertion/deletion (I/D) polymorphism reduces expression of caspase 8. We conducted a meta-analysis to clarify the relationship between this polymorphism and cancer risk. Eligible articles were retrieved from PubMed, EMBASE, CNKI, and WANFANG databases through February 2017. A total of 33 articles with 49 studies, including 33,494 cases and 36,397 controls, were analyzed. We found that the CASP8 -652 6N ins/del polymorphism was associated with decreased overall cancer risk in five genetic models [DD vs...
May 25, 2017: Oncotarget
https://www.readbyqxmd.com/read/28590935/prognostic-significance-of-her3-in-patients-with-malignant-solid-tumors
#7
Qin Li, RuiXue Zhang, Han Yan, PengFei Zhao, Li Wu, Hui Wang, Teng Li, Bangwei Cao
Human epidermal growth factor receptor 3 (HER3) is closely involved in tumor progression and is an important target of therapy. To evaluate the prognostic significance of HER3 in malignant solid tumors, we searched the PUBMED, EMBASE and CNKI databases for relevant studies written in English or Chinese up to December 2015. Fifteen studies comprising 2964 patients were identified. The HER3+ rate ranged from 9.0-75.1 % in malignant solid tumors: 30.3-75.1 % in breast cancers, 51.1-74.5 % in colorectal cancers, 13...
May 18, 2017: Oncotarget
https://www.readbyqxmd.com/read/28560460/synthetic-lethal-interaction-of-cdk-inhibition-and-autophagy-inhibition-in-human-solid-cancer-cell-lines
#8
Yoshinari Okada, Shunsuke Kato, Yasuhiro Sakamoto, Takayuki Oishi, Chikashi Ishioka
Cell cycle control is a promising target in cancer treatments, and some small-molecule cyclin-dependent kinase (CDK) inhibitors have exhibited clinical effectiveness. However, no biomarkers predictive of efficacy have been developed. Recent studies have revealed that CDK inhibitor (CKI) proteins, such as p27 and p16, also induced cytoprotective autophagy in cancer cells. However, it is unclear whether small-molecule CKIs also induce autophagy in solid tumors, as induced autophagy promotes cancer cell survival...
July 2017: Oncology Reports
https://www.readbyqxmd.com/read/28550623/malignant-tumors-associated-with-juvenile-polyposis-syndrome-in-japan
#9
REVIEW
Hideyuki Ishida, Keiichiro Ishibashi, Takeo Iwama
PURPOSE: The risk of malignant tumors developing in association with juvenile polyposis syndrome (JPS) was evaluated to explore the optimal treatment for this rare disease. METHODS: We reviewed the data on JPS cases reported in Japan between January, 1971 and March, 2016. RESULTS: A total of 171 cases were evaluable. Of these 171 patients, 83 (48.5%) were female and the median age at diagnosis was 28 years (range 1-80 years). The polyps were located in the stomach alone (n = 62; 36...
May 26, 2017: Surgery Today
https://www.readbyqxmd.com/read/28504960/distinct-effects-of-rs895819-on-risk-of-different-cancers-an-update-meta-analysis
#10
Muxiong Chen, Wenpan Fang, Xinkai Wu, Suchen Bian, Guangdi Chen, Liqin Lu, Yu Weng
Previous studies have indicated an association between the genetic variant in pre-miR-27a rs895819 with A->G transition and cancer risk; however, the results remain inconsistent and somehow conflicting in different cancers. Therefore, to obtain a more reliable conclusion, we performed an update meta-analysis by searching PubMed database or other databases. Odds ratio (ORs) and 95% confidence interval (CIs) were calculated to evaluate cancer risk. A total of 34 case-control studies involving 15,388 cases and 18,704 controls were included...
April 27, 2017: Oncotarget
https://www.readbyqxmd.com/read/28502334/ap-1-expression-and-its-clinical-relevance-in-immune-disorders-and-cancer
#11
REVIEW
Shivtia Trop-Steinberg, Yehudit Azar
The inflammatory response is known to have a significant role in certain autoimmune diseases and malignancies. We review current knowledge regarding the functions of activator protein 1 (AP-1) as an important modulator in several immune disorders and carcinomas. AP-1 is overexpressed in rheumatoid arthritis and in long-term allogeneic hematopoietic stem cell transplantation survivors; however, decreased expression of AP-1 has been observed in psoriasis, systematic lupus erythematosus and in patients who do not survive after hematopoietic stem cell transplantation...
May 2017: American Journal of the Medical Sciences
https://www.readbyqxmd.com/read/28498444/high-expression-of-pftk1-in-cancer-cells-predicts-poor-prognosis-in-colorectal-cancer
#12
Youjun Mao, Yuqing Jia, Huijun Zhu, Wei Wang, Qin Jin, Fang Huang, Shu Zhang, Xiaoqiang Li
The serine/threonine-protein kinase PFTAIRE 1 (PFTK1) is a member of the cyclin‑dependent kinase family that is highly expressed in several malignant tumors, including hepatocellular carcinoma, esophageal, breast and gastric cancers, and glioma. It contributes to tumor progression and influences tumor prognosis. However, the expression and clinicopathological significance of PFTK1 in human colorectal cancer (CRC) remain to be elucidated. The present study aimed to examine the expression of PFTK1 and to evaluate the clinical significance of its expression in human CRC...
July 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28481424/evaluating-hepatocellular-carcinoma-cell-lines-for-tumour-samples-using-within-sample-relative-expression-orderings-of-genes
#13
Lu Ao, You Guo, Xuekun Song, Qingzhou Guan, Weicheng Zheng, Jiahui Zhang, Haiyan Huang, Yi Zou, Zheng Guo, Xianlong Wang
BACKGROUND & AIMS: Concerns are raised about the representativeness of cell lines for tumours due to the culture environment and misidentification. Liver is a major metastatic destination of many cancers, which might further confuse the origin of hepatocellular carcinoma cell lines. Therefore, it is of crucial importance to understand how well they can represent hepatocellular carcinoma. METHODS: The HCC-specific gene pairs with highly stable relative expression orderings in more than 99% of hepatocellular carcinoma but with reversed relative expression orderings in at least 99% of one of the six types of cancer, colorectal carcinoma, breast carcinoma, non-small-cell lung cancer, gastric carcinoma, pancreatic carcinoma and ovarian carcinoma, were identified...
May 8, 2017: Liver International: Official Journal of the International Association for the Study of the Liver
https://www.readbyqxmd.com/read/28454301/immunohistochemical-profile-of-ing3-protein-in-normal-and-cancerous-tissues
#14
Wen-Feng Gou, Xue-Feng Yang, Dao-Fu Shen, Shuang Zhao, Hong-Zhi Sun, Jun-Sheng Luo, Hua-Chuan Zheng
The inhibitor of growth family, member 3 (ING3) protein may be capable of blocking the cell cycle via activating p53-transactivated promoters of p21 and Bcl2-associated X protein, and may induce apoptosis via a Fas/caspase-8-dependent signaling pathway. In the present study, immunohistochemistry was performed in order to characterize the expression profile of ING3 protein in tissue microarrays containing mouse and human normal tissue, human hepatocellular (n=62), renal clear cell (n=62), pancreatic (n=62), esophageal squamous cell (n=45), cervical squamous cell (n=31), breast (n=144), gastric (n=196), colorectal (n=96), ovarian (n=208), endometrial (n=96) and lung carcinoma (n=192)...
March 2017: Oncology Letters
https://www.readbyqxmd.com/read/28443573/normal-and-tumour-tissue-mrna-expressions-of-telomerase-complex-genes-in-several-types-of-cancer
#15
Emel Çalışkan Can, M Can Atalay, Ece Miser Salihoğlu, Ülkü Yalçıntaş Arslan, H Bolkan Şimşek, Sevgi Yardım Akaydın
AIMS: To investigate the changes in mRNA expression levels of telomerase-related significant proteins in several types of cancer. METHODS: Human telomerase reverse transcriptase, pontin, reptin and dyskerin expressions were measured in normal and tumour tissues obtained from 26 patients with colorectal, breast and gastric cancers, using the real-time reverse transcriptase-polymerase chain reaction method. RESULTS: For all patients, no significant difference was found in mRNA expressions of human telomerase reverse transcriptase and dyskerin (p>0...
May 5, 2017: Balkan Medical Journal
https://www.readbyqxmd.com/read/28425822/association-of-hepatic-vein-lipiodol-tram-track-sign-during-transcatheter-arterial-chemoembolization-with-perioperative-death
#16
Hongwei Zhao, Fuquan Liu, Zhendong Yue, Lei Wang, Zhenhua Fan, Fuliang He
Objective To assess the relationship between the hepatic vein Lipiodol tram-track sign during transcatheter arterial chemoembolization (TACE) and perioperative death. Methods Patients treated for hepatic carcinoma at the Beijing Shijitan Hospital, Capital Medical University from January 2010 to December 2015 were retrospectively evaluated. The patients underwent hepatic TACE with Lipiodol. The incidence of the hepatic vein Lipiodol tram-track sign, prognosis, and possible risk factors were analyzed. Results A total of 5372 patients underwent hepatic TACE and had complete available intraoperative imaging data...
January 1, 2017: Journal of International Medical Research
https://www.readbyqxmd.com/read/28415828/melatonin-for-the-prevention-and-treatment-of-cancer
#17
REVIEW
Ya Li, Sha Li, Yue Zhou, Xiao Meng, Jiao-Jiao Zhang, Dong-Ping Xu, Hua-Bin Li
The epidemiological studies have indicated a possible oncostatic property of melatonin on different types of tumors. Besides, experimental studies have documented that melatonin could exert growth inhibition on some human tumor cells in vitro and in animal models. The underlying mechanisms include antioxidant activity, modulation of melatonin receptors MT1 and MT2, stimulation of apoptosis, regulation of pro-survival signaling and tumor metabolism, inhibition on angiogenesis, metastasis, and induction of epigenetic alteration...
June 13, 2017: Oncotarget
https://www.readbyqxmd.com/read/28413641/serum-mir-20a-is-a-promising-biomarker-for-gastric-cancer
#18
Ruirui Yang, Yun Fu, Ying Zeng, Mengqin Xiang, Yufang Yin, Li Li, Haifan Xu, Jing Zhong, Xi Zeng
Gastric cancer (GC) is a common type of cancer, particularly in China. Numerous studies have demonstrated that circulating microRNAs (miRNAs) have potential applications as noninvasive biomarkers for cancer diagnosis and prognosis. Microarray-based serum miRNA profiling was performed on the serum of 12 paired pre- and post-operative GC patients to screen differentially expressed serum miRNAs. Twelve different serum miRNAs between pre- and post-operative GC patients were identified. Those miRNAs were verified by real-time quantitative polymerase chain reaction in 110 paired pre- and post-operative serum samples from 55 GC patients...
April 2017: Biomedical Reports
https://www.readbyqxmd.com/read/28373448/defining-new-colorectal-cancer-syndromes-in-a-population-based-cohort-of-the-disease
#19
Anna Forsberg, Anne Keränen, Susanna VON Holst, Simone Picelli, Nikos Papadogiannakis, Sam Ghazi, Annika Lindblom
BACKGROUND/AIM: Most known cancer syndromes confer an increased risk of more than one tumour types, and families with more than one colorectal cancer often segregate other cancers as well. The aim of this study was to examine if there is a general increased risk of other cancers in colorectal cancer families, which are defined as having two or more cases of colorectal cancer in close relatives. MATERIALS AND METHODS: The study used a detailed family history of cancer diagnoses in a cohort of more than 3,000 consecutive colorectal cancer cases...
April 2017: Anticancer Research
https://www.readbyqxmd.com/read/28363756/her2-as-an-emerging-oncotarget-for-colorectal-cancer-treatment-after-failure-of-anti-epidermal-growth-factor-receptor-therapy
#20
REVIEW
Naoki Takegawa, Kimio Yonesaka
Amplification of the HER2 gene is an indicator of poor prognosis for several kinds of malignancies such as breast and gastric cancer, and anti-HER2 targeting therapies provide clinical benefits in these patients. In 2011, HER2 was identified as a resistance molecule for de novo and secondary anti-epidermal growth factor receptor (EGFR) antibody therapy. HER2 activation provides a bypass signaling pathway after anti-EGFR antibody treatment of colorectal cancer. Cell line-based screening revealed that HER2 genomic amplification induces resistance to the anti-EGFR antibody cetuximab in colorectal cancer...
March 9, 2017: Clinical Colorectal Cancer
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