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colorectal cancer and early detection

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https://www.readbyqxmd.com/read/28922695/strategies-for-detecting-colon-cancer-in-patients-with-inflammatory-bowel-disease
#1
REVIEW
William A Bye, Tran M Nguyen, Claire E Parker, Vipul Jairath, James E East
BACKGROUND: Patients with longstanding ulcerative colitis and colonic Crohn's disease have an increased risk of colorectal cancer (CRC) compared with the general population. This review assessed the evidence that endoscopic surveillance may prolong life by allowing earlier detection of CRC or its pre-cursor lesion, dysplasia, in patients with inflammatory bowel disease (IBD). OBJECTIVES: To assess the effectiveness of cancer surveillance programs for diagnosis of IBD-associated colorectal cancer and in reducing the mortality rate from colorectal cancer in patients with IBD...
September 18, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28917272/towards-personalized-medicine-of-colorectal-cancer
#2
REVIEW
Mohammad Azhar Aziz, Zeyad Yousef, Ayman M Saleh, Sameer Mohammad, Bandar Al Knawy
Efforts in colorectal cancer (CRC) research aim to improve early detection and treatment for metastatic stages which could translate into better prognosis of this disease. One of the major challenges that hinder these efforts is the heterogeneous nature of CRC and involvement of diverse molecular pathways. New large-scale 'omics' technologies are making it possible to generate, analyze and interpret biological data from molecular determinants of CRC. The developments of sophisticated computational analyses would allow information from different omics platforms to be integrated, thus providing new insights into the biology of CRC...
October 2017: Critical Reviews in Oncology/hematology
https://www.readbyqxmd.com/read/28912140/down-regulation-of-safb-sustains-the-nf-%C3%AE%C2%BAb-pathway-by-targeting-tak1-during-the-progression-of-colorectal-cancer
#3
Hong-Li Jiao, Ya-Ping Ye, Run-Wei Yang, Hui-Ying Sun, Shu-Yang Wang, Yong-Xia Wang, Zhi-Yuan Xiao, Liu-Qing He, Juan-Juan Cai, Wen-Ting Wei, Yan-Ru Chen, Chun-Cai Gu, Yue-Long Cai, Yun-Teng Hu, Qiu-Hua Lai, Jun-Feng Qiu, Li Liang, Guangwen Cao, Wen-Ting Liao, Yanqing Ding
PURPOSE: To investigate the role and the underlying mechanism of scaffold attachment factor B (SAFB) in the progression of colorectal cancer (CRC). EXPERIMENTAL DESIGN: SAFB expression was analyzed in the Cancer Outlier Profile Analysis of Oncomine and in 175 paraffin-embedded archived CRC tissues. Gene Ontology analyses were performed to explore the mechanism of SAFB in CRC progression. Western blot, RT-PCR, luciferase assay and chromatin immunoprecipitation (ChIP) were used to detect the regulation of transforming growth factor-β-activated kinase 1 (TAK1) and NF-κB signaling by SAFB...
September 14, 2017: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/28912018/association-between-germline-mutations-in-brf1-a-subunit-of-the-rna-polymerase-iii-transcription-complex-and-hereditary-colorectal-cancer
#4
Fernando Bellido, Nadine Sowada, Pilar Mur, Conxi Lázaro, Tirso Pons, Rafael Valdés-Mas, Marta Pineda, Gemma Aiza, Silvia Iglesias, José Luís Soto, Miguel Urioste, Trinidad Caldés, Milagros Balbín, Pilar Blay, Daniel Rueda, Mercedes Durán, Alfonso Valencia, Victor Moreno, Joan Brunet, Ignacio Blanco, Matilde Navarro, George A Calin, Guntram Borck, Xose S Puente, Gabriel Capellá, Laura Valle
BACKGROUND & AIMS: Although there is a genetic predisposition to colorectal cancer (CRC), few of the genes that affect risk have been identified. We performed whole-exome sequence analysis of individuals in a high-risk family without mutations in genes previously associated with CRC risk to identify variants associated with inherited CRC. METHODS: We collected blood samples from 3 relatives with CRC in Spain (65, 62 and 40 years old at diagnosis) and perfomed whole-exome sequence analyses...
September 11, 2017: Gastroenterology
https://www.readbyqxmd.com/read/28905105/diagnostic-and-prognostic-role-of-18-fdg-pet-ct-in-the-management-of-resectable-biliary-tract-cancer
#5
Ka Wing Ma, Tan To Cheung, Wong Hoi She, Kenneth Siu Ho Chok, Albert Chi Yan Chan, Wing Chiu Dai, Wan Hang Chiu, Chung Mau Lo
OBJECTIVES: Role of 18-FDG PET/CT had been well established in other more prevalent malignancies such as colorectal and lung cancer; however, this is not as well defined in cholangiocarcinoma. Literature focusing on the prognostic values of preoperative PET/CT for resectable cholangiocarcinoma is scarce. METHOD: This is a retrospective cohort of 66 consecutive patients who had received curative resection for cholangiocarcinoma from 2010 to 2015. All patients had preoperative 18-FDG PET/CT performed...
September 13, 2017: World Journal of Surgery
https://www.readbyqxmd.com/read/28901000/-diagnostic-value-of-dynamic-monitoring-of-c-reactive-protein-in-drain-drainage-to-predict-early-anastomotic-leakage-after-colorectal-cancer-surgery
#6
Jia Lu, Lei Zheng, Runtian Li, Chunmin Hao, Wenbin Gao, Ziwei Feng, Guangya Yin, Yue Wang
OBJECTIVE: To evaluate the diagnostic value of dynamic monitoring of C-reactive protein (CRP) in drainage fluid in predicting early anastomotic leakage after colorectal surgery. METHODS: This study enrolled 172 patients, who were diagnosed as colorectal cancer before operation and underwent radical surgery, without residual tumor tissues by postoperative pathology and perioperative infection, at the Tianjin Medical University Cancer Hospital between July 2015 and January 2016...
September 25, 2017: Zhonghua Wei Chang Wai Ke za Zhi, Chinese Journal of Gastrointestinal Surgery
https://www.readbyqxmd.com/read/28895353/-circulating-long-noncoding-rnas-as-biomarkers-in-tumor-diagnosis
#7
Nan Jiang, Haihua Tian, Jinchang Pan, Zhaohui Gong
Long noncoding RNAs (lncRNAs) are involved in vital life processes of gene expression, epigenetic regulation and X-chromosome inactivation. lncRNAs are also closely associated with tumor initiation and progression. Moreover, lncRNAs may enter human circulation system in the form of microvesicle or exosome, or in combination with RNA binding protein. Interestingly, the circulating lncRNAs are widely existed in body fluids, such as blood and urine. We review the origin of circulating lncRNAs, and the detection methods as potential biomarkers...
June 25, 2017: Sheng Wu Gong Cheng Xue Bao, Chinese Journal of Biotechnology
https://www.readbyqxmd.com/read/28894518/assessment-of-bone-morphogenetic-protein-3-methylation-in-iranian-patients-with-colorectal-cancer
#8
Massoud Houshmand, Mohammad Reza Abbaszadegan, Mohammad Amin Kerachian
BACKGROUND Colorectal cancer (CRC) is a common cancer that results in outstanding morbidity and mortality worldwide. DNA methylation is one of the most important epigenetic events that is thought to occur during the early stages of oncogenic transformation especially in CRC. The aim of this study was to investigate whether hypermethylation of bone morphogenetic protein 3 (BMP3) in tissue samples is implicated in Iranian patients with CRC. METHODS From fresh frozen tissue samples of 30 patients with CRC, the DNA was isolated, treated with sodium bisulfite and analyzed by methylation-specific polymerase chain reaction with primers specific for methylated or unmethylated promoter sequences of the BMP3 gene...
July 2017: Middle East Journal of Digestive Diseases
https://www.readbyqxmd.com/read/28886423/molecular-imaging-of-colorectal-tumors-by-targeting-colon-cancer-secreted-protein-2-ccsp-2
#9
Jaeil Kim, Eun-Ju Do, Helen Moinova, Sang Mun Bae, Ja Young Kang, Seung-Mo Hong, Stephen P Fink, Jinmyoung Joo, Young-Ah Suh, Se Jin Jang, Sung Wook Hwang, Sang Hyoung Park, Dong-Hoon Yang, Byong Duk Ye, Jeong-Sik Byeon, Jaewon Choe, Suk-Kyun Yang, Sanford D Markowitz, Sang-Yeob Kim, Seung-Jae Myung
A versatile biomarker for detecting colonic adenoma and colon cancer has yet to be developed. Colon cancer secreted protein-2 (CCSP-2) is a protein specifically expressed and secreted in colon adenomas and cancers. We developed a fluorescent imaging method based on CCSP-2 targeting for a more sensitive and specific detection of colorectal tumors. CCSP-2 expression was evaluated in human colon adenoma and colorectal specimens. Anti-CCSP-2 antibody was labeled with a near-infrared fluorescent dye, FPR-675, and molecular imaging of surgical human colorectal tumors was performed...
September 4, 2017: Neoplasia: An International Journal for Oncology Research
https://www.readbyqxmd.com/read/28881641/colorectal-cancer-at-high-risk-of-peritoneal-metastases-long-term-outcomes-of-a-pilot-study-on-adjuvant-laparoscopic-hipec-and-future-perspectives
#10
Charlotte E L Klaver, Roos Stam, Didi A M Sloothaak, Johannes Crezee, Willem A Bemelman, Cornelis J A Punt, Pieter J Tanis
OBJECTIVE: Early detection of peritoneal metastases (PM) of colorectal cancer (CRC) is difficult and treatment options at a clinically overt stage are limited. Potentially, adjuvant laparoscopic hyperthermic intraperitoneal chemotherapy (HIPEC) is of value. The aim of this study was to present long term oncological outcomes of a pilot study on adjuvant HIPEC to reduce development of PMCRC, with systematic review of literature. METHODS: Long term oncological outcomes of ten patients who underwent laparoscopic HIPEC within eight weeks after resection of primary CRC in the pilot study were retrospectively collected...
August 1, 2017: Oncotarget
https://www.readbyqxmd.com/read/28878843/prognostic-relevance-of-an-epigenetic-biomarker-panel-in-sentinel-lymph-nodes-from-colon-cancer-patients
#11
Guro E Lind, Marianne Guriby, Terje Ahlquist, Israr Hussain, Marine Jeanmougin, Kjetil Søreide, Hartwig Kørner, Ragnhild A Lothe, Oddmund Nordgård
BACKGROUND: Patients with early colorectal cancer (stages I-II) generally have a good prognosis, but a subgroup of 15-20% experiences relapse and eventually die of disease. Occult metastases have been suggested as a marker for increased risk of recurrence in patients with node-negative disease. Using a previously identified, highly accurate epigenetic biomarker panel for early detection of colorectal tumors, we aimed at evaluating the prognostic value of occult metastases in sentinel lymph nodes of colon cancer patients...
2017: Clinical Epigenetics
https://www.readbyqxmd.com/read/28877599/acceptability-of-a-salon-based-intervention-to-promote-colonoscopy-screening-among-african-american-women
#12
Tiffany D Floyd, Katherine N DuHamel, Jessica Rao, Elyse Shuk, Lina Jandorf
African American women have the highest colorectal cancer incidence and mortality rates among women of any race/ethnicity in the United States. Colonoscopy screening is an efficacious procedure for the prevention and early detection of colorectal cancer, making it a promising tool in the effort to eliminate colorectal cancer disparities. Toward that end, the present qualitative study sought to assess acceptability of and preferences for a beauty salon-based intervention to promote colonoscopy screening among African American women...
September 1, 2017: Health Education & Behavior: the Official Publication of the Society for Public Health Education
https://www.readbyqxmd.com/read/28874956/use-and-barriers-to-chromoendoscopy-for-dysplasia-surveillance-in-inflammatory-bowel-disease
#13
REVIEW
Richa Shukla, Mark Salem, Jason K Hou
Traditionally, patients with inflammatory bowel disease (IBD) have been thought to be at increased risk of developing colitis-associated colorectal cancer. Although there are recent data suggesting that rates of colitis-associated cancer in IBD patients is declining, current guidelines still recommend regular dysplasia surveillance for early detection and prevention of neoplasia in patients with IBD. White-light endoscopy with random biopsies has been the traditional approach for dysplasia detection; however, newer technologies and approaches have emerged...
August 16, 2017: World Journal of Gastrointestinal Endoscopy
https://www.readbyqxmd.com/read/28870950/a-scoring-system-to-predict-the-development-of-bone-metastasis-after-radical-resection-of-colorectal-cancer
#14
Ang Li, Lukas Käsmann, Dirk Rades, Chuangang Fu
BACKGROUND/AIM: To develop a scoring system to predict bone metastasis after radical resection within 5 years. PATIENTS AND METHODS: We evaluated the patient records of 1,749 patients, of whom 50 patients developed bone metastasis. Treatment-related factors (age, gender, localization, histology, preoperative carbohydrate antigen 199 level, T-stage, lymph node metastasis (LN) and pulmonary metastasis (PM)) were analyzed. RESULTS: We found three independent risk factors, namely rectal cancer (p=0...
September 2017: Anticancer Research
https://www.readbyqxmd.com/read/28868131/circulating-tumor-cells-silent-predictors-of-metastasis
#15
REVIEW
LanLan Zhou, David T Dicker, Elizabeth Matthew, Wafik S El-Deiry, R Katherine Alpaugh
Circulating tumor cells (CTCs) were added to the arsenal of clinical testing in 2004 for three cancer types: metastatic breast, prostate, and colorectal cancer. CTCs were found to be an independent prognostic indicator of survival for these three diseases. Multiple enrichment/isolation strategies have been developed and numerous assay applications have been performed using both single and pooled captured/enriched CTCs. We have reviewed the isolation techniques and touched on many analyses. The true utility of a CTC is that it acts as a "silent" predictor of metastatic disease...
2017: F1000Research
https://www.readbyqxmd.com/read/28861579/mrna-mirna-bipartite-network-reconstruction-to-predict-prognostic-module-biomarkers-in-colorectal-cancer-stage-differentiation
#16
Habib Motieghader, Morteza Kouhsar, Ali Najafi, Balal Sadeghi, Ali Masoudi-Nejad
Biomarker detection is one of the most important and challenging problems in cancer studies. Recently, non-coding RNA based biomarkers such as miRNA expression levels have been used for early diagnosis of many cancer types. In this study, a systems biology approach was used to detect novel miRNA based biomarkers for CRC diagnosis in early stages. The mRNA expression data from three CRC stages (Low-grade Intraepithelial Neoplasia (LIN), High-grade Intraepithelial Neoplasia (HIN) and Adenocarcinoma) were used to reconstruct co-expression networks...
September 1, 2017: Molecular BioSystems
https://www.readbyqxmd.com/read/28855992/clinical-significance-of-serum-anti-p53-antibody-expression-following-curative-surgery-for-colorectal-cancer
#17
Kensuke Kumamoto, Hideyuki Ishida, Koki Kuwabara, Kunihiko Amano, Noriyasu Chika, Norimichi Okada, Tomonori Ohsawa, Youichi Kumagai, Keiichiro Ishibashi
The aim of the present study was to investigate the usefulness of serum anti-p53 antibody (Ap53Ab) measurement for the diagnosis of colorectal cancer (CRC), and the clinical significance of the association between Ap53Ab expression and survival rate. Ap53Ab, carcinoembryonic antigen (CEA) and carbohydrate antigen (CA)19-9 were measured by ELISA in 674 CRC patients and 115 healthy volunteers (control group). The half-life time of Ap53Ab and CEA was calculated. The association between positive Ap53Ab expression and clinicopathological characteristics, including survival rate, was analyzed...
October 2017: Molecular and Clinical Oncology
https://www.readbyqxmd.com/read/28851318/population-based-colorectal-cancer-screening-programmes-using-a-faecal-immunochemical-test-should-faecal-haemoglobin-cut-offs-differ-by-age-and-sex
#18
Eunate Arana-Arri, Isabel Idigoras, Begoña Uranga, Raquel Pérez, Ana Irurzun, Iñaki Gutiérrez-Ibarluzea, Callum G Fraser, Isabel Portillo
BACKGROUND: The Basque Colorectal Cancer Screening Programme has both high participation rate and high compliance rate of colonoscopy after a positive faecal occult blood test (FIT). Although, colorectal cancer (CRC) screening with biannual (FIT) has shown to reduce CRC mortality, the ultimate effectiveness of the screening programmes depends on the accuracy of FIT and post-FIT colonoscopy, and thus, harms related to false results might not be underestimated. Current CRC screening programmes use a single faecal haemoglobin concentration (f-Hb) cut-off for colonoscopy referral for both sexes and all ages...
August 29, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28846115/cut-pcr-crispr-mediated-ultrasensitive-detection-of-target-dna-using-pcr
#19
S H Lee, J Yu, G-H Hwang, S Kim, H S Kim, S Ye, K Kim, J Park, D Y Park, Y-K Cho, J-S Kim, S Bae
Circulating tumor DNA (ctDNA) has emerged as a tumor-specific biomarker for the early detection of various cancers. To date, several techniques have been devised to enrich the extremely small amounts of ctDNA present in plasma, but they are still insufficient for cancer diagnosis, especially at the early stage. Here, we developed a novel method, CUT (CRISPR-mediated, Ultrasensitive detection of Target DNA)-PCR, which uses CRISPR endonucleases to enrich and detect the extremely small amounts of tumor DNA fragments among the much more abundant wild-type DNA fragments by specifically eliminating the wild-type sequences...
August 28, 2017: Oncogene
https://www.readbyqxmd.com/read/28843232/colorectal-cancer-and-precancerous-lesions-associated-with-ulcerative-colitis-in-thailand
#20
Peranart Chotivitayatarakorn, Ratha-Korn Vilaichone
Background: Ulcerative colitis(UC) is important risk factor of colorectal cancer. Many evidences from western countries confirmed this relationship but limited studies were reported in ASEAN. This study was aimed to investigate prevalence, clinical presentations, endoscopic findings, histopathology, disease progression and risk for colorectal cancer(CRC) of UC patients in Thailand. Methods: We conducted a retrospective cohort study using computer data base from Thammasat University Hospital, Pathumthani, Thailand between September 2011 and December 2015, follow-up through May 2016...
August 27, 2017: Asian Pacific Journal of Cancer Prevention: APJCP
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