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https://www.readbyqxmd.com/read/30024936/the-importance-of-stool-dna-methylation-in-colorectal-cancer-diagnosis-a-meta-analysis
#1
Afsaneh Mojtabanezhad Shariatpanahi, Maryam Yassi, Mehdi Nouraie, Amirhossein Sahebkar, Fatemeh Varshoee Tabrizi, Mohammad Amin Kerachian
A large number of tumor-related methylated genes have been suggested to be of diagnostic and prognostic values for CRC when analyzed in patients' stool samples; however, reported sensitivities and specificities have been inconsistent and widely varied. This meta-analysis was conducted to assess the detection accuracy of stool DNA methylation assay in CRC, early stages of CRC (advanced adenoma, non-advanced adenomas) and hyperplastic polyps, separately. We searched MEDLINE, Web of Science, Scopus and Google Scholar databases until May 1, 2016...
2018: PloS One
https://www.readbyqxmd.com/read/30024920/modeling-apc-mutagenesis-and-familial-adenomatous-polyposis-using-human-ips-cells
#2
Cesar A Sommer, Amalia Capilla, Francisco J Molina-Estevez, Andreia Gianotti-Sommer, Nicholas Skvir, Ignacio Caballero, Sanjib Chowdhury, Gustavo Mostoslavsky
Mutations in the gene Adenomatous Polyposis Coli or APC appear in most sporadic cases of colorectal cancer and it is the most frequent mutation causing hereditary Familial Adenomatous Polyposis. The detailed molecular mechanism by which APC mutations predispose to the development of colorectal cancer is not completely understood. This is in part due to the lack of accessibility to appropriate models that recapitulate the early events associated with APC mediated intestinal transformation. We have established a novel platform utilizing human induced Pluripotent Stem cells or iPSC from normal or FAP-specific APC mutant individuals and evaluated the effect of the mutation in the cells before and after differentiation into intestinal organoids...
2018: PloS One
https://www.readbyqxmd.com/read/30023463/combination-of-bez235-and-metformin-has-synergistic-effect-on-cell-viability-in-colorectal-cancer-cells
#3
Taewan Kim, Taehyung Kim, Soonyoung Choi, Hyeran Ko, Deokbae Park, Youngki Lee
Patients with type II diabetes mellitus are more susceptible to colorectal cancer (CRC) incidence than non-diabetics. The anti-diabetic drug metformin is most commonly prescribed for the treatment of this disease and has recently shown antitumor effect in preclinical studies. The aberrant mutational activation in the components of RAS/RAF/MEK/ERK and PI3K/AKT/mTOR signaling pathway is very frequently observed in CRC. We previously reported that metformin inhibits the phosphorylation of ERK and BEZ235, a dual inhibitor of PI3K and mTOR, has anti-tumor activity against HCT15 CRC cells harboring mutations of KRAS and PIK3CA...
June 2018: Balsaeng'gwa Saengsig
https://www.readbyqxmd.com/read/30023073/years-of-life-lost-due-to-malignant-neoplasms-of-the-digestive-system-in-poland-in-the-years-2000-2014
#4
Paulina Paciej-Gołębiowska, Małgorzata Pikala, Irena Maniecka-Bryła
Background: Every fourth death that occurs in Poland is caused by a malignant neoplasm. A particularly negative epidemiological situation relates to colorectal cancers; in 2015 they constituted the fifth most important cause of years of life lost (YLL) in Poland. Objective: We aimed to analyse YLL due to malignant neoplasms of the digestive system in Poland in between 2000 and 2014. Methods: The study material included a database containing information gathered from 5,601,568 death certificates of Poles who died in 2000-2014...
July 2018: United European Gastroenterology Journal
https://www.readbyqxmd.com/read/30023072/lifestyle-factors-and-risk-for-colorectal-polyps-and-cancer-at-index-colonoscopy-in-a-fit-positive-screening-population
#5
Dora Colussi, Margherita Fabbri, Rocco Maurizio Zagari, Amedeo Montale, Franco Bazzoli, Luigi Ricciardiello
Background: Many countries have adopted the fecal immunochemical test (FIT) as the primary colorectal cancer (CRC) screening tool; however, its accuracy is limited. Epidemiological studies have shown that obesity and type 2 diabetes increase risk for the disease. Objective: The objective of this article is to evaluate the association of colorectal polyps and cancer with comorbidities and lifestyle factors in a population that is part of a FIT-based CRC screening program...
July 2018: United European Gastroenterology Journal
https://www.readbyqxmd.com/read/30023066/the-impact-of-a-history-of-cancer-on-pancreatic-ductal-adenocarcinoma-survival
#6
Xingkang He, Yue Li, Tingting Su, Sanchuan Lai, Wenrui Wu, Luyi Chen, Jianmin Si, Leimin Sun
Background and objective: Previous studies indicated cancer survivors had a higher risk of developing subsequent pancreatic ductal adenocarcinoma. However, the influence of prior cancer on survival outcomes of current pancreatic cancer remains unclear. Methods: Eligible populations were selected from the Surveillance, Epidemiology, and End Results programs from 2000 to 2012. We adopted Kaplan-Meier curves and Cox analysis to compare survival differences between patients with and without prior cancer...
July 2018: United European Gastroenterology Journal
https://www.readbyqxmd.com/read/30022904/effect-of-sampling-procedure-on-the-quality-control-metrics-of-cytoscan-hd-array-for-studying-cytogenetic-aspects-of-colorectal-cancer
#7
Ahmad M Deeb, Zeyad Yousef, Mishal Al-Johani, Mohammad Azhar Aziz
Objectives: The method of colorectal cancer (CRC) tissue sampling would affect its molecular profile and the downstream processing. In this study, we described the impact of CRC tissue sampling procedures on the quality control (QC) metrics of cytoscan HD array. Methods: We employed a high-resolution cytoscan HD microarray platform to investigate the chromosomal aberrations that could be associated with CRC. We compared the tissue extraction procedures and their impact on the QC parameters from the cytoscan HD array determined by chromosome analysis software (Suite3...
July 2018: International Journal of Health Sciences
https://www.readbyqxmd.com/read/30022840/increased-expression-of-antisense-lncrna-spint1-as1-predicts-a-poor-prognosis-in-colorectal-cancer-and-is-negatively-correlated-with-its-sense-transcript
#8
Chen Li, Wei Li, Yanli Zhang, Xin Zhang, Tong Liu, Yi Zhang, Yongmei Yang, Lili Wang, Hongwei Pan, Jian Ji, Chuanxin Wang
Purpose: Colorectal cancer (CRC) is a leading cause of cancer-associated mortality worldwide. Natural antisense transcripts (NATs) are pervasively expressed in human genome and have been confirmed to contribute to cancer progression. In our study, we aimed to investigate the expression and clinical pertinence of serine peptidase inhibitor, Kunitz type 1 antisense RNA1 ( SPINT1-AS1 ) in CRC. Materials and methods: The expression levels of SPINT1-AS1 and the corresponding sense transcript SPINT1 mRNA were analyzed in 150 pairs of CRC tissues and adjacent normal (AN) tissues, along with 45 pairs of preoperative and postoperative serum exosome samples by the strand-specific real-time quantitative polymerase chain reaction...
2018: OncoTargets and Therapy
https://www.readbyqxmd.com/read/30022709/the-proliferation-of-colorectal-cancer-cells-is-suppressed-by-silencing-of-eif3h
#9
Genhua Yu, Jiaqun Liao, Junlan Wu, Jun Ding, Lin Zhang
Colorectal cancer is one of the most common causes of cancer-related deaths worldwide. Eukaryotic translation initiation factor 3, subunit H (EIF3H) is a subunit of EIF3, which is involved in mRNA recruitment and ribosomal complex disassembly and is known to be a driver of cell proliferation and survival in cancer. To investigate its function in colorectal cancer, the Oncomine database was used to evaluate the expression of EIF3H in human colorectal cancer and normal tissues. Then, we constructed a Lentivirus shorthair EIF3H vector (Lv-shEIF3H) to silence EIF3H expression in the colorectal cancer cell lines HCT116 and SW1116...
July 19, 2018: Bioscience, Biotechnology, and Biochemistry
https://www.readbyqxmd.com/read/30022395/epidemiology-of-colorectal-cancer-and-the-risk-factors-in-kermanshah-province-iran-2009-2014
#10
Saba Karimi, Alireza Abdi, Alireza Khatony, Mohamad Akbari, Azam Faraji
INTRODUCTION AND OBJECTIVE: Colorectal cancer is the fourth prevalent cancer in the world and there are several factors effective on development of the disease. These factors vary based on geographical distribution. The present study is aimed at surveying epidemiology of colorectal cancer and its risk factors in Kermanshah-Iran between 2009 and 2014. METHODOLOGY: A descriptive cross-sectional study was carried out on all colorectal cancer cases in two Kermanshah-based hospitals Imam Reza and Taleghani between 2009 and 2014...
July 19, 2018: Journal of Gastrointestinal Cancer
https://www.readbyqxmd.com/read/30022336/metformin-use-and-incidence-cancer-risk-evidence-for-a-selective-protective-effect-against-liver-cancer
#11
Harvey J Murff, Christianne L Roumie, Robert A Greevy, Amber J Hackstadt, Lucy E D'Agostino McGowan, Adriana M Hung, Carlos G Grijalva, Marie R Griffin
PURPOSE: Several observational studies suggest that metformin reduces incidence cancer risk; however, many of these studies suffer from time-related biases and several cancer outcomes have not been investigated due to small sample sizes. METHODS: We constructed a propensity score-matched retrospective cohort of 84,434 veterans newly prescribed metformin or a sulfonylurea as monotherapy. We used Cox proportional hazard regression to assess the association between metformin use compared to sulfonylurea use and incidence cancer risk for 10 solid tumors...
July 18, 2018: Cancer Causes & Control: CCC
https://www.readbyqxmd.com/read/30022330/systematic-review-of-blood-diagnostic-markers-in-colorectal-cancer
#12
REVIEW
Stella Nikolaou, Shengyang Qiu, Francesca Fiorentino, Shahnawaz Rasheed, Paris Tekkis, Christos Kontovounisios
The purpose of this systematic review was to compare the diagnostic ability of blood markers for colorectal cancer (CRC). A systematic review of the literature for diagnostic blood markers for primary human colorectal cancer over the last 5 years was performed. The primary outcome was to assess the diagnostic ability of these markers in diagnosing colorectal cancer. The secondary outcome was to see whether the marker was compared to other markers. The tertiary outcome was to assess diagnostic ability in early versus late CRC, including stage IV disease...
July 18, 2018: Techniques in Coloproctology
https://www.readbyqxmd.com/read/30021555/study-protocol-of-the-correct-multicenter-trial-the-efficacy-of-blended-cognitive-behavioral-therapy-for-reducing-psychological-distress-in-colorectal-cancer-survivors
#13
L Leermakers, S Döking, B Thewes, A M J Braamse, M F M Gielissen, J H W de Wilt, E H Collette, J Dekker, J B Prins
BACKGROUND: Approximately one third of the colorectal cancer survivors (CRCS) experience high levels of psychological distress. Common concerns experienced by CRCS include distress related to physical problems, anxiety, fear of cancer recurrence (FCR) and depressive symptoms. However, psychological interventions for distressed CRCS are scarce. Therefore, a blended therapy was developed, combining face-to-face cognitive behavioral therapy (CBT) with online self-management activities and telephone consultations...
July 18, 2018: BMC Cancer
https://www.readbyqxmd.com/read/30021386/mir-363-3p-suppresses-tumor-growth-and-metastasis-of-colorectal-cancer-via-targeting-sphk2
#14
Jinlang Dong, Jianshan Geng, Weiwei Tan
Aberrant expression of miR-363-3p is seen in a wide array of cancers. The exact function of miR-363-3p in colorectal cancer (CRC), and the underlying mechanisms remain undefined. In the current study, we observed a down-regulation of miR-363-3p in CRC tissues, along with a strong correlation between low miR-363-3p levels and clinico-pathological parameters like tumor stage and lymph node metastasis. Ectopic overexpression of miR-363-3p in HT29 and HCT116 cell lines effectively inhibited cell proliferation and metastasis, and promoted apoptosis...
September 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/30021381/microrna-519d-3p-inhibits-cell-proliferation-and-migration-by-targeting-troap-in-colorectal-cancer
#15
Xiaoyong Ye, Huizeng Lv
Increasing evidence suggests that miR-519d-3p functions as tumor suppressor in several tumors, including breast cancer. However, its biological role in the development of colorectal cancer (CRC) still remains unclear. In this study, we found that miR-519d-3p expression level was remarkably down-regulated in CRC tissues samples and cell lines when compared to adjacent normal tissues and cell line by using qRT-PCR detection. Lower miR-519d-3p expression was significantly correlated with TNM stage, tumor size and lymph node metastasis...
September 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/30021354/sirt3-mediated-mitochondrial-fission-regulates-the-colorectal-cancer-stress-response-by-modulating-the-akt-pten-signalling-pathway
#16
Yan Wang, Xiaohui Sun, Kaihua Ji, Liqing Du, Chang Xu, Ningning He, Jinhan Wang, Yang Liu, Qiang Liu
Sirtuin-3 (Sirt3), a sub-family member of the nicotinamide adenine dinucleotide-dependent histone deacetylases, has been reported to be involved in mitochondrial oxidative stress regulation, mitochondrial calcium management, mitophagy activation, and mitochondrial energy metabolism. The aim of our study was to explore the functional role of Sirt3 in colorectal cancer stress, focusing particularly on its effects on mitochondrial fission. Our study demonstrated that Sirt3 was highly upregulated in colorectal cancer cells compared to normal rectal mucosa cells...
September 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/30021192/association-between-hypoxia-inducible-factor-2%C3%AE-hif-2%C3%AE-expression-and-colorectal-cancer-and-its-prognostic-role-a-systematic-analysis
#17
Susu Han, Tao Huang, Wen Li, Shanshan Liu, Wei Yang, Qi Shi, Hongjia Li, Jianlin Ren, Fenggang Hou
BACKGROUND/AIMS: Although some studies showed that HIF-2α expression was correlated with an unfavorable prognosis in colorectal cancer (CRC), the prognostic results remain conflicting in CRC. The present study was performed to evaluate the association between HIF-2α expression and the clinicopathological features of this disease and to examine the potential prognostic role of HIF-2α expression in CRC. METHODS: Pooled odds ratios (ORs) or hazard ratios (HRs) were calculated from available publications, The Cancer Genome Atlas (TCGA) and the Gene Expression Omnibus (GEO) datasets...
July 18, 2018: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/30021100/mir-212-and-mtor-form-a-regulation-loop-to-modulate-autophagy-in-colorectal-adenoma-ht-29-cells
#18
Changxue Ji, Shuai Ju, Jinwei Qiang
Autophagy is a conserved lysosomal degradation pathway that regulates cell survival and death in order to maintain cellular homeostasis. Dysfunctional autophagy is associated with different types of cancer, making it an attractive therapeutic target. Mammalian target of rapamycin (mTOR) signaling negatively regulates autophagy and suppresses the efficacy of certain cancer therapeutic agents. NVP-BEZ235 is a dual inhibitor of the PI3K/mTOR signaling pathway and exhibits anti-cancer activities; it also induced autophagy and inhibited proliferation in colorectal adenoma HT-29 cells...
June 2018: Discovery Medicine
https://www.readbyqxmd.com/read/30020878/new-insights-into-the-role-of-tissue-eosinophils-in-the-progression-of-colorectal-cancer-a-literature-review
#19
REVIEW
Ana Laura Saraiva, Fátima Carneiro
INTRODUCTION: Amongst the inflammatory cells implicated in the immune surveillance of colorectal cancer, a growing body of evidence suggests a role for eosinophils in carcinogenesis. We aimed to review the value of tumour-associated tissue eosinophilia (TATE) in the prognosis of colorectal cancer emphasizing the identification and measurement of tissue-infiltrating eosinophils and their association with the clinicopathological features of the disease. MATERIAL AND METHODS: We used PubMed and Web of Science search engines to retrieve studies that looked at the association between tissue eosinophils and colorectal cancer prognosis...
June 29, 2018: Acta Médica Portuguesa
https://www.readbyqxmd.com/read/30020192/high-expression-of-mitogen-activated-and-stress-activated-protein-kinase-1-indicates-poor-prognosis-in-patients-with-glioma
#20
Hailing Li, Changlei Zhao, Min Xu, Min Yin
Mitogen-activated and stress-activated protein kinase 1 (MSK1), which belongs to the subfamily of MAPK-activated protein kinase, plays an important role in cell proliferation and neoplastic transformation. It has been recently reported that MSK1 overexpression was closely related to the progression of some tumors such as colorectal cancer. However, the clinical significance of MSK1 in glioma has not been addressed. To investigate the potential role of MSK1 in glioma, we first examined the expression pattern of MSK1 in glioma tissues and normal brain tissues using quantitative RT-PCR, and the results showing that MSK1 expression was significantly elevated in glioma tissues compared with normal brain tissues...
July 16, 2018: Neuroreport
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