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Colon cancer screening

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https://www.readbyqxmd.com/read/29040021/flexible-sigmoidoscopy-and-ct-colonography-screening-patients-experience-with-and-factors-for-undergoing-screening-insight-from-the-proteus-colon-trial
#1
Carlo Senore, Loredana Correale, Daniele Regge, Cesare Hassan, Gabriella Iussich, Marco Silvani, Arrigo Arrigoni, Lia Morra, Nereo Segnan
Purpose To compare the acceptability of computed tomographic (CT) colonography and flexible sigmoidoscopy (FS) screening and the factors predicting CT colonographic screening participation, targeting participants in a randomized screening trial. Materials and Methods Eligible individuals aged 58 years (n = 1984) living in Turin, Italy, were randomly assigned to be invited to screening for colorectal cancer with FS or CT colonography. After individuals who had died or moved away (n = 28) were excluded, 264 of 976 (27...
October 17, 2017: Radiology
https://www.readbyqxmd.com/read/29037996/synthesis-anti-cancer-screening-and-tyrosyl-dna-phosphodiesterase-1-tdp1-inhibition-activity-of-novel-piperidinyl-sulfamides
#2
Jung Ho Jun, Vineet Kumar, Thomas S Dexheimer, Iwona Wedlich, Marc C Nicklaus, Yves Pommier, Sanjay V Malhotra
Novel piperidinyl-based sulfamide derivatives were designed and synthesized through various synthetic routes. Anticancer activities of these sulfamides were evaluated by phenotypic screening on National Cancer Institute's 60 human tumor cell lines (NCI-60). Preliminary screening at 10μM concentration showed that piperidinyl sulfamide aminoester 26 (NSC 749204) was sensitive to most of the cell lines in the panel. Further dose-response studies showed that 26 was highly selective for inhibition of colon cancer cell lines with minimum GI50=1...
October 13, 2017: European Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/29037058/-efficacy-of-the-population-based-pilot-colorectal-screening-program-hungary-csongr%C3%A3-d-county-2015
#3
Mariann Rutka, Tamás Molnár, Renáta Bor, Klaudia Farkas, Anna Fábián, Márk Győrfi, Anita Bálint, Ágnes Milassin, Mónika Szűcs, László Tiszlavicz, Ferenc Nagy, Zoltán Szepes
INTRODUCTION: In Hungary, a nationwide colorectal screening program is about to be introduced in order to improve the extremely high mortality rate of colorectal cancer (CRC). AIM: The aim of our study was to summarize experiences and assess short-term efficacy of the population-based pilot colorectal screening program in 2015 in Csongrád County, Hungary. PATIENTS AND METHOD: Asymptomatic individuals between the ages of 50 and 70 with average risk of colorectal cancer participated in the program that was based on the two-step screening method (i...
October 2017: Orvosi Hetilap
https://www.readbyqxmd.com/read/29033760/colonic-ganglioneuroma-a-rare-finding-during-colorectal-cancer-screening
#4
Emmanuel Ofori, Mel Ona, Daryl Ramai, Tiangui Huang, Philip Xiao, Madhavi Reddy
Ganglioneuromas are very rare clinical entities, and their occurrence in the large bowel lays further emphasis on their rarity. Ganglioneuromas are benign tumors of undifferentiated neural crest cells. Their clinical presentation is mostly asymptomatic, and if any symptoms are present at all, they are usually nonspecific, with excellent prognosis. We report an asymptomatic, 65-year-old male with a solitary ascending colonic polyp found on screening colonoscopy. Histology revealed benign polypoid spindle-cell proliferation as well as S100 reactivity, consistent with ganglioneuroma...
May 2017: Case Reports in Gastroenterology
https://www.readbyqxmd.com/read/29032694/short-term-outcome-of-patients-with-colon-cancer-diagnosed-by-symptoms-and-screening
#5
Javier A Cienfuegos, Jorge Baixauli, José Luis Hernández Lizoain
Colon cancer diagnosed as part of a screening program, showed better short-term outcomes following surgery. These advantages seem to have impact on long-term outcomes as well.
October 16, 2017: Revista Española de Enfermedades Digestivas
https://www.readbyqxmd.com/read/29030986/the-small-molecule-au14022-promotes-colorectal-cancer-cell-death-via-p53-mediated-g2-m-phase-arrest-and-mitochondria-mediated-apoptosis
#6
Hwani Ryu, Ky-Youb Nam, Jae Sung Kim, Sang-Gu Hwang, Jie-Young Song, Jiyeon Ahn
The p53 tumor suppressor plays critical roles in cell cycle regulation and apoptotic cell death, with its activation capable of sensitizing cancer cells to radiotherapy or chemotherapy. To identify small molecules that induce apoptosis via increased p53 transcriptional activity, we used a novel in-house library containing 96 small-molecule compounds. Using a cell-based screening method with a p53-responsive luciferase-reporter assay system involving benzoxazole derivatives, we found that AU14022 administration significantly increased p53 transcriptional activity in a concentration-dependent manner...
October 14, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/29029040/herbacetin-suppresses-cutaneous-squamous-cell-carcinoma-and-melanoma-cell-growth-by-targeting-akt-and-odc
#7
Dong Joon Kim, Mee-Hyun Lee, KangDong Liu, Do Young Lim, Eunmiri Roh, Hanyong Chen, Sung-Hyun Kim, Jung-Hyun Shim, Myoung Ok Kim, Wenwen Li, Fayang Ma, Mangaladoss Fredimoses, Ann M Bode, Zigang Dong
Herbacetin is a flavonol compound that is found in plants such as flaxseed and ramose scouring rush herb, it possesses a strong antioxidant capacity, and exerts anticancer effects on colon and breast cancer. However, the effect of herbacetin on skin cancer has not been investigated. Herein, we identified herbacetin as a dual V-akt murine thymoma viral oncogene homolog (AKT) and ornithine decarboxylase (ODC) inhibitor, and illustrated its anticancer effects in vitro and in vivo against cutaneous squamous cell carcinoma (SCC) and melanoma cell growth...
September 23, 2017: Carcinogenesis
https://www.readbyqxmd.com/read/29026529/coordinating-erk-signaling-via-the-molecular-scaffold-kinase-suppressor-of-ras
#8
REVIEW
Danielle Frodyma, Beth Neilsen, Diane Costanzo-Garvey, Kurt Fisher, Robert Lewis
Many cancers, including those of the colon, lung, and pancreas, depend upon the signaling pathways induced by mutated and constitutively active Ras. The molecular scaffolds Kinase Suppressor of Ras 1 and 2 (KSR1 and KSR2) play potent roles in promoting Ras-mediated signaling through the Raf/MEK/ERK kinase cascade. Here we summarize the canonical role of KSR in cells, including its central role as a scaffold protein for the Raf/MEK/ERK kinase cascade, its regulation of various cellular pathways mediated through different binding partners, and the phenotypic consequences of KSR1 or KSR2 genetic inactivation...
2017: F1000Research
https://www.readbyqxmd.com/read/29019328/second-primary-tumors-associated-with-breast-cancer-kuwait-cancer-control-center-experience
#9
Salah Fayaz, Gerges Attia Demian, Heba El-Sayed Eissa, Sadeq Abuzalouf
OBJECTIVES: To review the clinico-epidemiologic characteristics of patients who presented with two or more primary cancers, one of which was breast cancer (BC) and to develop a follow-up program for the high risk patients. PATIENTS AND METHODS: Patients who were diagnosed with BC and one or more non breast cancer (NBC) were retrospectively reviewed. Medical files were retrieved and epidemiological as well as clinical data were analyzed. RESULTS: Sixty-two patients were retrieved...
September 2017: Gulf Journal of Oncology
https://www.readbyqxmd.com/read/28989593/colorectal-cancer-screening-a-comprehensive-review-to-recent-non-invasive-methods
#10
REVIEW
Leila Hamzehzadeh, Meysam Yousefi, Seyed-Hamidollah Ghaffari
Colorectal cancer (CRC) is one of the most common cancers worldwide and considered to be one of the hassles in medical communities. CRC develops from precancerous polyps in the colon or rectum and is preventable and curable by an early diagnosis and with the removal of premalignant polyps. In recent years, scientists have looked for inexpensive and safe ways to detect CRC in its earliest stages. Strong evidence shows that screening for CRC is a crucial way to reduce the incidence and mortality of this devastating disease...
July 1, 2017: International Journal of Hematology-oncology and Stem Cell Research
https://www.readbyqxmd.com/read/28988790/recent-diagnostic-procedures-for-colorectal-cancer-screening-are-they-cost-effective
#11
REVIEW
Mostafa Ahmed Arafa, Karim Hamda Farhat
Colorectal cancer (CRC) is the third most common cancer worldwide and the fourth most common cause of death. Reduction in mortality rates in some countries worldwide are most likely ascribed to CRC screening and/or improved treatments. We reviewed the most relevant articles which discuss the cost-effectiveness of colorectal cancer screening procedures, in particular, the recent ones through the last eight years. The effectiveness of screening estimated by discounted life years gained (LYGs) compared to no screening, differed considerably between the studies...
October 4, 2017: Arab Journal of Gastroenterology: the Official Publication of the Pan-Arab Association of Gastroenterology
https://www.readbyqxmd.com/read/28988196/the-oral-microbiota-in-colorectal-cancer-is-distinctive-and-predictive
#12
Burkhardt Flemer, Ryan D Warren, Maurice P Barrett, Katryna Cisek, Anubhav Das, Ian B Jeffery, Eimear Hurley, Micheal O'Riordain, Fergus Shanahan, Paul W O'Toole
BACKGROUND AND AIMS: Microbiota alterations are linked with colorectal cancer (CRC) and notably higher abundance of putative oral bacteria on colonic tumours. However, it is not known if colonic mucosa-associated taxa are indeed orally derived, if such cases are a distinct subset of patients or if the oral microbiome is generally suitable for screening for CRC. METHODS: We profiled the microbiota in oral swabs, colonic mucosae and stool from individuals with CRC (99 subjects), colorectal polyps (32) or controls (103)...
October 7, 2017: Gut
https://www.readbyqxmd.com/read/28987338/increasing-colorectal-cancer-incidence-trends-among-younger-adults-in-canada
#13
Darren R Brenner, Yibing Ruan, Eileen Shaw, Prithwish De, Steven J Heitman, Robert J Hilsden
Recent analyses in the United States have shown an overall decrease in the incidence of colorectal cancer despite contrasting increases in younger age groups. We examined whether these cohort trends are occurring in Canada. Age-specific trends in colon and rectal cancer incidence in Canada from the National Cancer Incidence Reporting System (1969-1992) and the Canadian Cancer Registry (1992-2012) were analyzed. We estimated annual percent changes (APC) with the Joinpoint Regression Program from the Surveillance Epidemiology, and End Results Program...
October 4, 2017: Preventive Medicine
https://www.readbyqxmd.com/read/28983748/changes-in-adult-bmi-and-waist-circumference-are-associated-with-increased-risk-of-advanced-colorectal-neoplasia
#14
Wambui G Gathirua-Mwangi, Patrick Monahan, Yiqing Song, Terrell W Zollinger, Victoria L Champion, Timothy E Stump, Thomas F Imperiale
BACKGROUND: Waist circumference (WC) is a stronger predictor of colon cancer (CRC) risk than body mass index (BMI). However, how well change in either WC or BMI predicts risk of advanced colorectal neoplasia (AN) is unclear. AIMS: To determine the relationship between change in BMI and WC from early adulthood to later age and the risk of AN and which change measure is a stronger predictor. METHODS: In 4500 adults, ages 50-80, with no previous neoplasia and undergoing screening colonoscopy, BMI and WC at age 21 and at time of screening were reported...
October 5, 2017: Digestive Diseases and Sciences
https://www.readbyqxmd.com/read/28981482/vital-signs-trends-in-incidence-of-cancers-associated-with-overweight-and-obesity-united-states-2005-2014
#15
C Brooke Steele, Cheryll C Thomas, S Jane Henley, Greta M Massetti, Deborah A Galuska, Tanya Agurs-Collins, Mary Puckett, Lisa C Richardson
BACKGROUND: Overweight and obesity are associated with increased risk of at least 13 different types of cancer. METHODS: Data from the United States Cancer Statistics for 2014 were used to assess incidence rates, and data from 2005 to 2014 were used to assess trends for cancers associated with overweight and obesity (adenocarcinoma of the esophagus; cancers of the breast [in postmenopausal women], colon and rectum, endometrium, gallbladder, gastric cardia, kidney, liver, ovary, pancreas, and thyroid; meningioma; and multiple myeloma) by sex, age, race/ethnicity, state, geographic region, and cancer site...
October 3, 2017: MMWR. Morbidity and Mortality Weekly Report
https://www.readbyqxmd.com/read/28981103/a-novel-acridine-derivative-ls-1-10-inhibits-autophagic-degradation-and-triggers-apoptosis-in-colon-cancer-cells
#16
Wan Fu, Xue Li, Xiaopeng Lu, Luyao Zhang, Ran Li, Nan Zhang, Shan Liu, Xin Yang, Yue Wang, Ying Zhao, Xiangbao Meng, Wei-Guo Zhu
Autophagy promotes cancer cell survival and drug resistance by degrading harmful cellular components and maintaining cellular energy levels. Disruption of autophagy may be a promising approach to sensitize cancer cells to anticancer drugs. The combination of autophagic inhibitors, such as chloroquine (CQ) and lucanthone with conventional cancer therapeutics has been investigated in clinical trials, but adverse drug-drug interactions are a high possibility. Here we designed and synthesized a novel, small-molecule library based on an acridine skeleton and the CQ structure with various modifications and substitutions and screened the compounds for effective autophagy inhibition...
October 5, 2017: Cell Death & Disease
https://www.readbyqxmd.com/read/28978564/mobile-screening-units-for-the-early-detection-of-cancer-a-systematic-review
#17
Zoë R Greenwald, Mariam El-Zein, Sheila Bouten, Heydar Ensha, Fabiana L Vazquez, Eduardo L Franco
BACKGROUND: Mobile Screening Units (MSUs) provide cancer screening services outside of fixed clinical sites, thereby increasing access to early detection services. METHODS: We conducted a systematic review of the performance of MSUs for the early detection of cancer. Databases (MEDLINE, EMBASE, Cochrane Library, WHO Global Health Library, Web of Science, PsycINFO) were searched up to July 2015. Studies describing screening for breast, cervical and colon cancer using MSUs were included...
October 4, 2017: Cancer Epidemiology, Biomarkers & Prevention
https://www.readbyqxmd.com/read/28977850/integrated-transcriptomic-analysis-of-distance-related-field-cancerization-in-rectal-cancer-patients
#18
Honglin Guo, Weigen Zeng, Lin Feng, Xuexin Yu, Ping Li, Kaitai Zhang, Zhixiang Zhou, Shujun Cheng
Field cancerization (FC) occurs in various epithelial carcinomas, including colorectal cancer, which indicates that the molecular events in carcinogenesis might occur in normal tissues extending from tumors. However, the transcriptomic characteristics of FC in colorectal cancer (CRC) remain largely unexplored. To investigate the changes in gene expression associated with proximity to the tumor, we analyzed the global gene expression profiles of cancer tissues and histologically normal tissues taken at various distances from the tumor (1 cm, 5 cm and the proximal end of the resected sample) from 32 rectal cancer patients...
September 22, 2017: Oncotarget
https://www.readbyqxmd.com/read/28961577/predictors-of-no-show-rate-in-the-gi-endoscopy-suite-at-a-safety-net-academic-medical-center
#19
Asim Shuja, Ciel Harris, Petra Aldridge, Miguel Malespin, Silvio W de Melo
BACKGROUND/OBJECTIVES: Noncompliance with physician and procedure appointments is associated with poor disease control and worse disease outcomes. This also impacts the quality of care, decreases efficiency, and affects revenue. Studies have shown that no-show rates are higher in clinics caring for underserved populations and may contribute to poorer health outcomes in this group. METHODS: We performed a 17-month retrospective observational cohort study of patients scheduled for outpatient procedures in the Gastroenterology endoscopy suite at the University of Florida Health, Jacksonville...
September 28, 2017: Journal of Clinical Gastroenterology
https://www.readbyqxmd.com/read/28960264/clinical-impact-of-colonization-with-multidrug-resistant-organisms-on-outcome-after-allogeneic-stem-cell-transplantation-in-patients-with-acute-myeloid-leukemia
#20
Sebastian Scheich, Sarah Lindner, Rosalie Koenig, Claudia Reinheimer, Thomas A Wichelhaus, Michael Hogardt, Silke Besier, Volkhard A J Kempf, Johanna Kessel, Hans Martin, Anne C Wilke, Hubert Serve, Gesine Bug, Björn Steffen
BACKGROUND: Allogeneic hematopoietic stem cell transplantation (allo-HSCT) is a curative treatment option for patients with acute myeloid leukemia (AML). During transplantation, patients undergo a period of severe neutropenia, which puts them at high risk for infectious complications. However, the impact of patient colonization with multidrug-resistant organisms (MDRO) on overall survival remains unclear. METHODS: In this retrospective, single-center study, the authors analyzed data from 264 patients with AML who underwent a first allo-HSCT between January 2006 and March 2016 at their institution...
September 28, 2017: Cancer
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