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Colon Cancer And Screening

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https://www.readbyqxmd.com/read/30332457/telomere-length-in-the-colon-is-related-to-colorectal-adenoma-prevalence
#1
Sarah D Peacock, Thomas E Massey, Stephen J Vanner, Will D King
Telomere length has been associated with risk of several cancers. However, studies of the relationship between telomere length and colorectal cancer risk have been inconsistent. This study examined the relationship between telomere length in normal colon tissue and the prevalence of colorectal adenoma, a precursor to colorectal cancer. This nested case-control study consisted of 85 patients aged 40 to 65 undergoing a screening colonoscopy: 40 cases with adenoma(s) detected at colonoscopy and 45 controls with normal colonoscopy...
2018: PloS One
https://www.readbyqxmd.com/read/30328515/personalised-medicine-and-population-health-breast-and-ovarian-cancer
#2
REVIEW
Steven A Narod
It has been suggested that a personalised approach to cancer prevention and screening might lead to a new paradigm for cancer control. Various aspects include testing for high-penetrance cancer susceptibility genes and generating personal risks scores, based on panels of single nucleotide polymorphisms. These tests can categorize women into various groupings of risk for cancer prevention (surgery and chemoprevention) cancer screening and prevention of cancer recurrence. In this review, I investigate various claims and come to the conclusion that the approach may be beneficial for the occasional patient but is unlikely to have any impact on reducing the burden of cancer incidence and mortality as whole...
October 17, 2018: Human Genetics
https://www.readbyqxmd.com/read/30327833/-current-evidence-and-development-of-colorectal-cancer-screening-in-germany
#3
REVIEW
Ulrike Haug
Colon cancer is currently the third leading cause of cancer death in men and women in Germany, with a total of about 25,000 deaths per year. Established methods for early detection of colorectal cancer include lower gastrointestinal endoscopy and fecal occult blood testing. For both procedures, there is evidence of a reduction in colorectal cancer-specific mortality and for endoscopy a reduction of colorectal cancer incidence has been shown.In Germany, the guaiac test for fecal occult blood has been offered since 1977...
October 16, 2018: Bundesgesundheitsblatt, Gesundheitsforschung, Gesundheitsschutz
https://www.readbyqxmd.com/read/30327540/trends-over-42-years-in-the-adult-medical-genetics-clinic-at-the-university-of-washington
#4
Elizabeth A Gay, Peter H Byers, Robin L Bennett, Thomas D Bird, Fuki M Hisama
PURPOSE: We analyzed the patients served by the University of Washington Adult Genetic Medicine Clinic (UWAGMC) over a 42-year period to determine how clinical services have changed and to evaluate the contributing factors. METHODS: We conducted a retrospective survey of patients seen by UWAGMC that included patients seen from 1975 to 2016. Variables considered included referral indication, disease status, and clinic visit date. Indications for referral were then binned into clinical categories for descriptive analysis...
October 16, 2018: Genetics in Medicine: Official Journal of the American College of Medical Genetics
https://www.readbyqxmd.com/read/30324886/novel-conjugated-unsaturated-ketones-with-submicromolar-potencies-towards-some-leukemic-and-colon-cancer-cells
#5
Swagatika Das, H Inci Gul, Umashankar Das, Jan Balzarini, Stephen G Dimmock, Jonathan R Dimmock
BACKGROUND: Cancer continues to be the major health burden worldwide. There is an urgent need for the development of novel antineoplastic compounds to treat this devastating condition. Various alkylating anticancer drugs have been employed in the clinic for treating cancers. Unsaturated conjugated ketones are a group of alkylators which are of significant interest as potent antineoplastic agents. OBJECTIVE: The goal of this study is to discover unsaturated conjugated ketones which are novel potent cytotoxins displaying growth-inhibitory properties towards neoplasms and also to serve as cytotoxic warheads in drug development...
October 15, 2018: Medicinal Chemistry
https://www.readbyqxmd.com/read/30324636/the-influence-of-health-literacy-on-the-timely-diagnosis-of-symptomatic-cancer-a-systematic-review
#6
Elka Humphrys, Jenni Burt, Greg Rubin, Jon D Emery, Fiona M Walter
Low health literacy has been associated with poor cancer screening uptake, difficulty in making treatment choices and reduced quality of life following a cancer diagnosis, yet it is unclear whether and how health literacy influences the pathway to diagnosis for patients with cancer symptoms. This systematic review aimed to evaluate the influence of health literacy on the timely diagnosis of symptomatic cancer. Literature was searched between January 1990 and May 2017 using MEDLINE, Embase, Scopus, ASSIA, CINAHL and PsycINFO...
October 16, 2018: European Journal of Cancer Care
https://www.readbyqxmd.com/read/30323670/a-novel-gene-pair-signature-for-relapse-free-survival-prediction-in-colon-cancer
#7
Peng-Fei Chen, Fan Wang, Zi-Xiong Zhang, Jia-Yan Nie, Lan Liu, Jue-Rong Feng, Rui Zhou, Hong-Ling Wang, Jing Liu, Qiu Zhao
Background: Colon cancer (CC) patients with early relapse usually have a poor prognosis. In this study, we aimed to identify a novel signature to improve the prediction of relapse-free survival (RFS) in CC. Methods: Four microarray datasets were merged into a training set (n=1,045), and one RNA-sequencing dataset was used as a validation set (n=384). In the training set, microarray meta-analysis screened out 596 common RFS-related genes across datasets, which were used to construct 177,310 gene pairs...
2018: Cancer Management and Research
https://www.readbyqxmd.com/read/30320007/dietary-and-the-risk-of-sporadic-colorectal-cancer-in-china-a-case-control-study
#8
Wenfei Wang, Zhaogang Dong, Xin Zhang, Wei Li, Peilong Li, Xiaoyang Chen
Background: High-fat diets have been considered a risk factor for sporadic colorectal cancer (CRC) in Western countries. However, data for this phenomenon are lacking in China. The purpose of this study was to comprehensively evaluate the association between diet and the risk for sporadic CRC in Shandong Province, China. Methods: In this case-control study, 317 patients with sporadic CRC and 317 controls were collected in Shandong Province, China. All the samples were collected on the basis of rigorous screening criteria...
September 2018: Iranian Journal of Public Health
https://www.readbyqxmd.com/read/30318440/synthesis-of-enamino-2-oxindoles-via-conjugate-addition-between-%C3%AE-azido-ketones-and-3-alkenyl-oxindoles-cytotoxicity-evaluation-and-apoptosis-inducing-studies
#9
Niggula Praveen Kumar, Yogesh Vanjari, Sowjanya Thatikonda, Venkatesh Pooladanda, Pankaj Sharma, Balasubramanian Sridhar, Chandraiah Godugu, Ahmed Kamal, Nagula Shankaraiah
A facile method for the construction of double bond between 3-ylidene oxindoles and α-azido ketones has been successfully accomplished with a mild base. This method features azido reduction with concomitant double bond formation to provide the new class of bioactive enamino-2-oxindoles. These new compounds were screened for their in vitro cytotoxic potential on selected human cancer cell lines such as colon, lung, breast, and cervical cancer cells. Among them, representative compounds 3a, 3h, 3k, 3p, 3w and 3x showed notable cytotoxicity profile with IC50 values ranging from 1...
July 27, 2018: Bioorganic & Medicinal Chemistry Letters
https://www.readbyqxmd.com/read/30316510/association-between-p53-arg72pro-polymorphism-and-colorectal-cancer-risk-in-asian-population-a-meta-analysis
#10
REVIEW
Yuyang Zhang, Dan Zhang, Lin Zhao, Lili Sun, Qiguan Dong, Li Cheng, Rixia Cheng
Although several published studies have investigated the association between p53 Arg72Pro polymorphism and the risk of colorectal cancer (CRC), their results have been ambiguous. To examine the overall relationship between published case-control studies of Asian subjects, we conducted a meta-analysis based on 13 studies. Databases PubMed, EMBASE, Web of Knowledge, and the Chinese National Knowledge Infrastructure were screened for studies carried out up to November 1, 2017. To evaluating the association, crude odds ratios (ORs) with 95% confidence intervals (95% CI) were calculated...
September 8, 2018: Current Problems in Cancer
https://www.readbyqxmd.com/read/30311795/core-shell-multicellular-spheroids-on-chitosan-as-in-vitro-3d-coculture-tumor-models
#11
Ching-Wen Tsai, Jyh-Horng Wang, Tai-Horng Young
An ideal in vitro drug screening model is important for the drug development. In addition to monoculture systems, 3 dimensional (3D) coculture systems are extensively used to simulate the in vivo tumor microenvironment as cell-cell and cell-extracellular matrix interactions within the tumor tissues can be mimicked. In this study, in vitro 3D suspension coculture multicellular spheroids with core/shell cell distribution were developed on chitosan-coated surfaces. Based on the characteristic of chitosan inhibiting cell adhesion, SW620 (colon cancer cell line), 3A6 (mesenchymal stem-like cell line) and Hs68 (foreskin fibroblast line) cells could aggregate to form 3D coculture spheroids with intimate cell contacts...
October 12, 2018: Artificial Cells, Nanomedicine, and Biotechnology
https://www.readbyqxmd.com/read/30310927/-the-development-of-early-cancer-detection-in-germany
#12
REVIEW
Hans-Werner Hense
Cancer is one of the most relevant chronic diseases in the German population, but not all neoplastic entities are eligible for early cancer detection (ECD) programs. In 1971, ECDs were introduced as population-wide screenings for the first time in the catalogue of benefits of the West German statutory health insurance funds. However, the implementation at that time was rarely systematic. Concurrently, a discussion on the perspectives of ECD arose in the former German Democratic Republic, where a structured program was not prepared in the country until the late 1980s...
October 11, 2018: Bundesgesundheitsblatt, Gesundheitsforschung, Gesundheitsschutz
https://www.readbyqxmd.com/read/30310649/adenocarcinoma-arising-in-a-colonic-interposition-after-esophagectomy-for-benign-stricture-and-review-of-the-literature
#13
Berta Barbosa, Bruno Santos, Isabel Mesquita, Mário Marcos, Carlos Nogueira, Jorge Santos
Colon interposition in oesophageal replacement after oesophagectomy for benign strictures is associated with significant perioperative complications that carry high morbidity and mortality. Long-term sequelae such as further strictures and colonic redundancy are frequent. Adenocarcinoma in the colonic graft is rare. A 70-year-old female presented to our clinic with symptoms of dysphagia. When she was 51 years, she underwent left colonic oesophageal interposition for an oesophageal stricture caused by caustic ingestion...
October 2018: Journal of Surgical Case Reports
https://www.readbyqxmd.com/read/30309962/discovery-of-a-small-molecule-inhibitor-of-specific-serine-residue-bad-phosphorylation
#14
Vijay Pandey, Baocheng Wang, Chakrabhavi Dhananjaya Mohan, Ainiah Rushdiana Raquib, Shobith Rangappa, Venkatachalaiah Srinivasa, Julian E Fuchs, Kesturu S Girish, Tao Zhu, Andreas Bender, Lan Ma, Zhinan Yin, Basappa, Kanchugarakoppal S Rangappa, Peter E Lobie
Human BCL-2-associated death promoter (hBAD) is an apoptosis-regulatory protein mediating survival signals to carcinoma cells upon phosphorylation of Ser99, among other residues. Herein, we screened multiple small-molecule databases queried in a Laplacian-modified naive Bayesian-based cheminformatics platform and identified a Petasis reaction product as a site-specific inhibitor for hBAD phosphorylation. Based on apoptotic efficacy against mammary carcinoma cells, N -cyclopentyl-3-((4-(2,3-dichlorophenyl) piperazin-1-yl) (2-hydroxyphenyl) methyl) benzamide (NPB) was identified as a potential lead compound...
October 11, 2018: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/30302379/cap-assisted-colonoscopy-a-meta-analysis-of-high-quality-randomized-controlled-trials
#15
Venkat Nutalapati, Vijay Kanakadandi, Madhav Desai, Mojtaba Olyaee, Amit Rastogi
Background and study aims  Standard colonoscopy (SC) is the preferred modality for screening for colon cancer; however, it carries a significant polyp/adenoma miss rate. Cap-assisted colonoscopy (CC) has been shown to improve polyp/adenoma detection rate, decrease cecal intubation time and increase cecal intubation rate when compared to standard colonoscopy (SC). However, data on adenoma detection rate (ADR) are conflicting. The aim of this meta-analysis was to compare the performance of CC with SC for ADR among high-quality randomized controlled trials...
October 2018: Endoscopy International Open
https://www.readbyqxmd.com/read/30301793/metastatic-growth-instructed-by-neutrophil-derived-transferrin
#16
Wei Liang, Qin Li, Napoleone Ferrara
The tumor-promoting functions of neutrophils have been mainly attributed to induction of tumor angiogenesis or suppression of anticancer immunity. However, a direct impact of neutrophils on tumor cell growth and metastasis remains largely uncharacterized. Here, we coupled a proteomic approach with a functional screen to interrogate the secretome of tumor-associated neutrophils. Surprisingly, the iron-transporting protein transferrin was identified as the major mitogen for tumor cells secreted by neutrophils...
October 9, 2018: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/30285063/postoperative-outcomes-of-screen-detected-vs-non-screen-detected-colorectal-cancer-in-the-netherlands
#17
Michael P M de Neree Tot Babberich, Nina C A Vermeer, Michel W J M Wouters, Wilhelmina M U van Grevenstein, Koen C M J Peeters, Evelien Dekker, Pieter J Tanis
Importance: The nationwide fecal immunochemical test-based screening program has influenced surgical care for patients with colorectal cancer (CRC) in the Netherlands, although these implications have not been studied in much detail so far. Objective: To compare surgical outcomes of patients diagnosed as having CRC through the fecal immunochemical test-based screening program (screen detected) and patients with non-screen-detected CRC. Design, Setting, and Participants: This was a population-based comparative cohort study using the Dutch ColoRectal Audit and analyzed all Dutch hospitals performing CRC resections...
October 3, 2018: JAMA Surgery
https://www.readbyqxmd.com/read/30285055/divergent-long-term-detection-rates-of-proximal-and-distal-advanced-neoplasia-in-fecal-immunochemical-test-screening-programs-a-retrospective-cohort-study
#18
Manuel Zorzi, Cesare Hassan, Giulia Capodaglio, Elena Narne, Anna Turrin, Maddalena Baracco, Antonella Dal Cin, Annarita Fiore, Giancarla Martin, Alessandro Repici, Douglas Rex, Massimo Rugge
Background: Short-term studies have reported that the fecal immunochemical test (FIT) is less accurate in detecting proximal than distal colorectal neoplasia. Objective: To assess the long-term detection rates for advanced adenoma and colorectal cancer (CRC), according to anatomical location. Design: Retrospective study. Setting: Population-based, organized screening program in the Veneto region of Italy. Participants: Persons aged 50 to 69 years who completed 6 rounds of FIT screening...
October 2, 2018: Annals of Internal Medicine
https://www.readbyqxmd.com/read/30285048/fecal-immunochemical-test-screening-for-colon-and-rectal-cancer
#19
(no author information available yet)
No abstract text is available yet for this article.
October 2, 2018: Annals of Internal Medicine
https://www.readbyqxmd.com/read/30285038/in-screening-for-colorectal-cancer-is-the-fit-right-for-the-right-side-of-the-colon
#20
Chyke A Doubeni, Theodore R Levin
No abstract text is available yet for this article.
October 2, 2018: Annals of Internal Medicine
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