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https://www.readbyqxmd.com/read/28428902/nonfamilial-juvenile-polyposis-syndrome-with-exon-5-novel-mutation-in-smad-4-gene
#1
Amna Ahmed, Badr Alsaleem
Juvenile polyposis syndrome (JPS) is a rare autosomal dominant hereditary disorder, characterized by multiple juvenile polyps in the gastrointestinal tract and an increased risk of colorectal cancer. JPS is most frequently caused by mutations in the SMAD4 or BMPR1A genes. Herein, we report a child with juvenile polyposis syndrome (JPS) with a novel mutation in the SMAD4 gene. An 8-year-old boy presented with recurrent rectal bleeding and was found to have multiple polyps in the entire colon. The histology of the resected polyps was consistent with juvenile polyps...
2017: Case Reports in Pediatrics
https://www.readbyqxmd.com/read/28426250/processed-meat-and-colorectal-cancer-risk-a-pooled-analysis-of-three-italian-case-control-studies
#2
Valentina Rosato, Alessandra Tavani, Eva Negri, Diego Serraino, Maurizio Montella, Adriano Decarli, Carlo La Vecchia, Monica Ferraroni
To add evidence to the limited data available from southern Europe, we assessed the association between processed meat consumption and colorectal cancer risk. We analyzed data from three case-control studies conducted between 1985 and 2010 in various Italian areas, including a total of 3745 incident cases and 6804 hospital-based controls. We calculated odds ratios (ORs) and 95% confidence intervals (CIs) by unconditional multiple logistic regression models. The median consumption of processed meat was around 20 g/day both in cases and controls...
April 20, 2017: Nutrition and Cancer
https://www.readbyqxmd.com/read/28425092/coffee-consumption-and-the-risk-of-colorectal-cancer-by-anatomical-subsite-in-japan-results-from-the-herpacc-studies
#3
Hiroko Senda Nakagawa, Hidemi Ito, Satoyo Hosono, Isao Oze, Hideo Tanaka, Keitaro Matsuo
Consumption of coffee, a popular beverage worldwide, has been associated with lower colorectal cancer (CRC) risk. Although CRC exhibits different biological characteristics by anatomical subsite, the possibly heterogeneous impact of coffee on CRC by anatomical subsite has remained unclear. Here, we conducted two case-control studies to examine the association between coffee consumption and CRC risk as well as risk by anatomic subsite among Japanese using data from the Hospital-based Epidemiological Research Program at Aichi Cancer Center I and II (HERPACC-I and II)...
April 20, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28423551/metabolic-reprogramming-of-the-premalignant-colonic-mucosa-is-an-early-event-in-carcinogenesis
#4
Mart Dela Cruz, Sarah Ledbetter, Sanjib Chowdhury, Ashish K Tiwari, Navneet Momi, Ramesh K Wali, Charles Bliss, Christopher Huang, David Lichtenstein, Swati Bhattacharya, Anisha Varma-Wilson, Vadim Backman, Hemant K Roy
BACKGROUND: Colorectal cancer (CRC) is the second leading cause of cancer-related mortality in the United States. There is an increasing need for the identification of biomarkers of pre-malignant and early stage CRC to improve risk-stratification and screening recommendations. In this study, we investigated the possibility of metabolic and mitochondrial reprogramming early in the pre-malignant colorectal field. METHODS: Rectal biopsies were taken from 81 patients undergoing screening colonoscopy, and gene expression of metabolic and mitochondrial markers were assessed using real time quantitative PCR...
March 28, 2017: Oncotarget
https://www.readbyqxmd.com/read/28423026/the-relationship-between-diabetes-and-colorectal-cancer-prognosis-a-meta-analysis-based-on-the-cohort-studies
#5
Bo Zhu, Xiaomei Wu, Bo Wu, Dan Pei, Lu Zhang, Lixuan Wei
INTRODUCTION: Though a meta-analysis reported the effect of diabetes on colorectal prognosis in 2013, a series of large-scale long-term cohort studies has comprehensively reported the outcome effect estimates on the relationship between diabetes and colorectal prognosis, and their results were still consistent. METHODS: We carried out an extensive search strategy in multiple databases and conducted a meta-analysis on the effect of diabetes on colorectal prognosis, based on the included 36 cohort studies, which contained 2,299,012 subjects...
2017: PloS One
https://www.readbyqxmd.com/read/28418874/is-there-a-prognostic-value-of-tumor-location-among-chinese-patients-with-colorectal-cancer
#6
Fangqi Liu, Cong Li, Huixun Jia, Li Yang, Yuchen Wu, Jiang Zhao, Sanjun Cai, Ji Zhu, Ye Xu
Differences in epidemiology, pathological features, and molecular pathogeneses have been observed according to primary tumor location in colorectal cancer (CRC). However, predicting CRC survival by tumor location remains controversial. Therefore, we compared the pathological characteristics, molecular features, and prognoses of right-side colon cancer (RCC), left-side colon cancer (LCC), and rectal cancer (RECC) among Chinese patients with CRC. We evaluated 4,426 patients with stage I-III CRC between January 2008 and July 2014from Fudan University Shanghai Cancer Center...
March 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/28417069/clostridium-difficile-bacteremia-report-of-two-cases-in-french-hospitals-and-comprehensive-review-of-the-literature
#7
Mouna Doufair, Catherine Eckert, Laurence Drieux, Come Amani-Moibeni, Liliane Bodin, Michel Denis, Jean Didier Grange, Guillaume Arlet, Frédéric Barbut
We report two cases of bacteremia due to Clostridium difficile from two French hospitals. The first patient with previously diagnosed rectal carcinoma underwent courses of chemotherapy, and antimicrobial treatment, and survived the C. difficile bacteremia. The second patient with colon perforation and newly diagnosed lung cancer underwent antimicrobial treatment in an ICU but died shortly after the episode of C. difficile bacteremia. A review of the literature allowed the identification of 137 cases of bacteremia between July 1962 and November 2016...
2017: IDCases
https://www.readbyqxmd.com/read/28414996/a-case-of-multiple-synchronous-quadruple-cancers-of-the-stomach-sigmoid-colon-rectum-and-pancreas
#8
Atsushi Nanashima, Tetsuro Tominaga, Takashi Nonaka, Kouki Wakata, Masaki Kunizaki, Shuichi Tobinaga, Yorihisa Sumida, Shigekazu Hidaka, Naoe Kinoshita, Terumitsu Sawai, Takeshi Nagayasu
INTRODUCTION: Multiple primary neoplasms are relatively rare, but their incidence has increased because of aging and improvements in diagnostic imaging. PRESENTATION OF CASE: A 67-year-old man presented with epigastric pain. On upper gastrointestinal endoscopy, an ulcer was seen at the gastric angle, and biopsy showed moderately differentiated adenocarcinoma (AC). Colonoscopy demonstrated a 15-mm lesion in the sigmoid colon and a submucosal lesion in the lower rectum...
April 2, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28414670/diulafoy-s-lesion-an-uncanny-etiology-of-gastrointestinal-bleed
#9
V Gasia, O Lamendola
INTRODUCTION: Dieulafoy's lesion is a relatively rare, but potentially life-threatening, condition. It accounts for 1-2 percent of acute gastrointestinal (GI); bleeding. CASE: A 99-year-old woman was initially admitted due to left lower extremity cellulitis related to chronic venous stasis ulcer and was receiving broad-spectrum IV antibiotics. Upon admission to the medical floor, she had an episode of hematemesis and multiple bowel movements with black-tarry stools...
March 2017: Journal of the Louisiana State Medical Society: Official Organ of the Louisiana State Medical Society
https://www.readbyqxmd.com/read/28411351/simultaneous-resection-for-synchronous-colorectal-liver-metastasis-the-new-standard-of-care
#10
Jonathan S Abelson, Fabrizio Michelassi, Tianyi Sun, Jialin Mao, Jeffrey Milsom, Benjamin Samstein, Art Sedrakyan, Heather L Yeo
BACKGROUND: Optimal surgical management for patients with synchronous colorectal cancer liver metastasis is controversial. We provide an analysis of surgical utilization and outcomes for patients presenting with synchronous colon and rectal cancer liver metastasis between simultaneous and staged approaches. METHODS: SPARCS database was used to follow patients undergoing surgery for colorectal cancer with liver metastases from 2005 to 2014. Using International Classification of Diseases, Ninth Revision codes, we identified patients undergoing staged and simultaneous resection...
April 14, 2017: Journal of Gastrointestinal Surgery: Official Journal of the Society for Surgery of the Alimentary Tract
https://www.readbyqxmd.com/read/28407090/foods-and-beverages-and-colorectal-cancer-risk-a-systematic-review-and-meta-analysis-of-cohort-studies-an-update-of-the-evidence-of-the-wcrf-aicr-continuous-update-project
#11
A R Vieira, L Abar, Dsm Chan, S Vingeliene, E Polemiti, C Stevens, D Greenwood, T Norat
Objective: As part of the World Cancer Research Fund International Continuous Update Project, we updated the systematic review and meta-analysis of prospective studies to quantify the dose-response between foods and beverages intake and colorectal cancer risk. Data Sources: PubMed and several databases up to May 31 st 2015. Study selection: Prospective studies reporting adjusted relative risk estimates for the association of specific food groups and beverages and risk of colorectal, colon and rectal cancer...
April 12, 2017: Annals of Oncology: Official Journal of the European Society for Medical Oncology
https://www.readbyqxmd.com/read/28406723/aspirin-use-and-colorectal-cancer-survival-according-to-tumor-cd274-programmed-cell-death-1-ligand-1-expression-status
#12
Tsuyoshi Hamada, Yin Cao, Zhi Rong Qian, Yohei Masugi, Jonathan A Nowak, Juhong Yang, Mingyang Song, Kosuke Mima, Keisuke Kosumi, Li Liu, Yan Shi, Annacarolina da Silva, Mancang Gu, Wanwan Li, NaNa Keum, Xuehong Zhang, Kana Wu, Jeffrey A Meyerhardt, Edward L Giovannucci, Marios Giannakis, Scott J Rodig, Gordon J Freeman, Daniel Nevo, Molin Wang, Andrew T Chan, Charles S Fuchs, Reiko Nishihara, Shuji Ogino
Purpose Blockade of the programmed cell death 1 (PDCD1, PD-1) immune checkpoint pathway can improve clinical outcomes in various malignancies. Evidence suggests that aspirin (a widely used nonsteroidal anti-inflammatory drug) not only prolongs colorectal cancer survival, but can also activate T cell-mediated antitumor immunity and synergize with immunotherapy through inhibition of prostaglandin E2 production. We hypothesized that the survival benefit associated with aspirin might be stronger in colorectal carcinoma with a lower CD274 (PDCD1 ligand 1, PD-L1) expression level that resulted in lower signaling of the immune checkpoint pathway...
April 13, 2017: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28405513/tumor-sqstm1-p62-expression-and-t-cells-in-colorectal-cancer
#13
Keisuke Kosumi, Yohei Masugi, Juhong Yang, Zhi Rong Qian, Sun A Kim, Wanwan Li, Yan Shi, Annacarolina da Silva, Tsuyoshi Hamada, Li Liu, Mancang Gu, Tyler S Twombly, Yin Cao, David A Barbie, Katsuhiko Nosho, Hideo Baba, Wendy S Garrett, Jeffery A Meyerhardt, Edward L Giovannucci, Andrew T Chan, Charles S Fuchs, Shuji Ogino, Reiko Nishihara
Evidence suggests that activation of autophagy in neoplastic cells potentiates antitumor immunity through cross-presentation of tumor-associated antigens to T cells and release of immune mediators. The SQSTM1 (sequestosome 1, p62) protein is degraded by activated autophagy, and might enhance immune response to tumor cells. We hypothesized that tumor SQSTM1 expression level might be inversely associated with T-cell densities in colorectal carcinoma tissue. We evaluated tumor SQSTM1 expression by immunohistochemistry in 601 rectal and colon cancer cases within the Nurses' Health Study and Health Professionals Follow-up Study...
2017: Oncoimmunology
https://www.readbyqxmd.com/read/28403349/analysis-of-gene-expression-egfr-and-kras-microrna-21-and-microrna-203-in-patients-with-colon-and-rectal-cancer-and-correlation-with-clinical-outcome-and-prognostic-factors
#14
Thais Inácio de Carvalho, Paulo Cezar Novais, Fermino Sanches Lizarte, Renata Danielle Sicchieri, Marcella Suelma Torrecillas Rosa, Camila Albuquerque Mello de Carvalho, Daniela Pretti da Cunha Tirapelli, Fernanda Maris Peria, José Joaquim Ribeiro da Rocha, Omar Féres
Purpose: To evaluate the expression of EGFR, KRAS genes, microRNAs-21 and 203 in colon and rectal cancer samples, correlated with their age at diagnosis, histological subtype, value of pretreatment CEA, TNM staging and clinical outcome. Methods: Expression of genes and microRNAs by real time PCR in tumor and non-tumor samples obtained from surgical treatment of 50 patients. Results: An increased expression of microRNAs-21 and 203 in tumor samples in relation to non-tumor samples was found...
March 2017: Acta Cirúrgica Brasileira
https://www.readbyqxmd.com/read/28402263/post-pulmonary-metastasectomy-prognosis-after-curative-resection-for-colorectal-cancer
#15
Jee Yeon Kim, In Ja Park, Hyeong Ryul Kim, Dong Kwan Kim, Jong Lyul Lee, Yong Sik Yoon, Chan Wook Kim, Seok-Byung Lim, Jung Bok Lee, Chang Sik Yu, Jin Cheon Kim
PURPOSE: We aimed to compare disease-free survival after pulmonary metastasectomy to that after hepatic metastasectomy, and to identify prognostic factors after pulmonary metastasectomy. RESULTS: Between 2005 and 2015, 129 patients underwent resection of isolated metachronous lung metastases from colorectal cancer. Three-year DFS after pulmonary metastasectomy was similar to that after hepatic metastasectomy (50.7% vs. 45.5%, respectively; p=0.58). Rectal cancer (hazard ratio [HR]: 2...
March 28, 2017: Oncotarget
https://www.readbyqxmd.com/read/28392022/reox-evaluation-of-the-efficacy-of-retreatment-with-an-oxaliplatin-containing-regimen-in-metastatic-colorectal-cancer-a-retrospective-single-center-study
#16
Talita Costa, Jose Nuñez, Tiago Felismino, Leonardo Boente, Celso Mello
BACKGROUND: Treatment of metastatic colorectal adenocarcinoma (mCRC) has evolved, and survival is over 30 months in contemporary trials. Nevertheless, there is a paucity of effective regimes after the first or second-line treatment. Thus, reexposure to previously used drugs has become a treatment strategy for some patients. We aimed to evaluate the efficacy of retreatment with an oxaliplatin-containing regimen in mCRC and correlate this with clinicopathologic features. PATIENTS AND METHODS: We retrospectively analyzed 83 patients with mCRC who underwent reexposure to oxaliplatin (REOX)...
March 16, 2017: Clinical Colorectal Cancer
https://www.readbyqxmd.com/read/28391355/comparison-between-hypersensitivity-reactions-to-cycles-of-modified-folfox6-and-xelox-therapies-in-patients-with-colorectal-cancer
#17
Hideki Ohta, Takahiro Hayashi, Sumie Murai, Hideyo Shiouchi, Yosuke Ando, Satomi Kumazawa, Kaori Ito, Yoshiaki Ikeda, Hiroshi Matsuoka, Kotaro Maeda, Kenji Kawada, Kimio Yasuda, Shigeki Yamada
PURPOSE: Although hypersensitivity reactions (HSRs) to oxaliplatin (L-OHP) therapy are well-documented, few reports have compared different therapies in terms of HSR occurrence. In this study, we compared the frequency and pattern of HSRs to modified FOLFOX6 (mFOLFOX6; 5-fluorouracil, levofolinate calcium and L-OHP infusions) and XELOX (capecitabine and L-OHP) therapies, and sought to identify risk factors associated with HSRs. METHODS: Patients who had received mFOLFOX6 or XELOX chemotherapeutic regimens for unresectable colon or rectal cancer or as adjuvant chemotherapy following colon cancer surgery between April 2012 and August 2015 were included...
April 8, 2017: Cancer Chemotherapy and Pharmacology
https://www.readbyqxmd.com/read/28390865/spdef-induces-quiescence-of-colorectal-cancer-cells-by-changing-the-transcriptional-targets-of-%C3%AE-catenin
#18
Yuan-Hung Lo, Taeko K Noah, Min-Shan Chen, Winnie Zou, Ester Borras, Eduardo Vilar, Noah F Shroyer
BACKGROUND & AIMS: The canonical Wnt signaling pathway activates the transcriptional activity of β-catenin. This pathway is often activated in colorectal cancer cells, but strategies to block it in tumors have not been effective. The SAM pointed domain containing ETS transcription factor (SPDEF) suppresses formation of colon tumors by unclear mechanisms. We investigated these mechanisms and the effects of SPDEF on β-catenin activity in mouse models of colorectal cancer (CRC), CRC cell lines, and mouse and human normal and cancer colonoids...
April 5, 2017: Gastroenterology
https://www.readbyqxmd.com/read/28387787/metabolic-mediators-of-the-association-between-adult-weight-gain-and-colorectal-cancer-data-from-the-european-prospective-investigation-into-cancer-and-nutrition-epic-cohort
#19
Krasimira Aleksandrova, Sabrina Schlesinger, Veronika Fedirko, Mazda Jenab, Bas Bueno-de-Mesquita, Heinz Freisling, Isabelle Romieu, Tobias Pischon, Rudolf Kaaks, Marc J Gunter, Christina C Dahm, Kim Overvad, Agnetha Linn Rostgaard-Hansen, Anne Tjønneland, Antonia Trichopoulou, Christina Bamia, Pagona Lagiou, Claudia Agnoli, Amalia Mattiello, Kathryn Bradbury, Kay-Tee Khaw, Elio Riboli, Heiner Boeing
Evidence indicates that gaining weight in adult life is associated with an elevated risk of colorectal cancer; however, biological mechanisms that may explain this association remain unclear. We evaluated the mediation effect of 20 different biomarkers on the relationship between adult weight gain and colorectal cancer, using data from a prospective nested case-control study of 452 incident cases diagnosed between 1992 and 2003 and matched within risk sets to 452 controls within the European Prospective Investigation into Cancer and Nutrition (EPIC) cohort...
April 6, 2017: American Journal of Epidemiology
https://www.readbyqxmd.com/read/28387660/pattern-of-lrp6-gene-expression-in-tumoral-tissues-of-colorectal-cancer
#20
Elham Rismani, Mohammad Sadegh Fazeli, Habibollah Mahmoodzadeh, Aghdas Movassgh, Sina Azami, Morteza Karimipoor, Ladan Teimoori-Toolabi
BACKGROUND: Colorectal cancer (CRC) is known as one of the most leading causes of death from cancer in the world. Wnt signaling pathway is the most important signaling pathway activated in this type of cancer. The low-density lipoprotein (LDL) receptor-related protein-6 (LRP6) functions as a co-receptor in order to trigger this signaling pathway. OBJECTIVE: The expression of LRP6 was studied in cell lines, tumoral and normal adjacent tissues from patients affected with colorectal cancer...
March 31, 2017: Cancer Biomarkers: Section A of Disease Markers
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