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https://www.readbyqxmd.com/read/29228136/cd177-neutrophils-suppress-epithelial-cell-tumourigenesis-in-colitis-associated-cancer-and-predict-good-prognosis-in-colorectal-cancer
#1
Guangxi Zhou, Kangsheng Peng, Yang Song, Wenjing Yang, Weigang Shu, Tianming Yu, Lin Yu, Moubin Lin, Qing Wei, Chunqiu Chen, Lu Yin, Yingzi Cong, Zhanju Liu
Neutrophils are found to be infiltrated in tumour tissues of patients with colitis-associated cancer (CAC) and colorectal cancer (CRC), and CD177 is mainly expressed in neutrophils. In our study, expression of CD177 in tumour tissues from patients with CAC or CRC was analysed by qRT-PCR, flow cytometry, and immunohistochemistry. We recruited 378 patients with CRC, determined CD177 expression in tumours, and examined its correlation with clinicopathological features. Moreover, CAC model was induced in wild type (WT) and CD177-/- mice by azoxymethane (AOM)/dextran sodium sulfate (DSS)...
December 8, 2017: Carcinogenesis
https://www.readbyqxmd.com/read/29226461/long-non-coding-pandar-as-a-novel-biomarker-in-human-cancer-a-systematic-review
#2
REVIEW
Yifan Zou, Yuantang Zhong, Junjie Wu, Huizhong Xiao, Xintao Zhang, Xinhui Liao, Jianfa Li, Xuhua Mao, Yuchen Liu, Fuyou Zhang
OBJECTIVES: Long non-coding RNAs (lncRNAs) are characterized as a group of RNAs that more than 200 nucleotides in length and have no protein-coding function. More and more evidences provided that lncRNAs serve as key molecules in the development of cancer. Deregulation of lncRNAs functions as either oncogenes or tumour suppressor genes in various diseases. Recently, increasing studies about PANDAR in cancer progression were reported. In our review, we will focus on the current research on the character of PANDAR include the clinical management, tumour progression and molecular mechanisms in human cancers...
December 10, 2017: Cell Proliferation
https://www.readbyqxmd.com/read/29226335/cancer-incidence-in-northern-thailand-results-from-six-population-based-cancer-registries-1993-2012
#3
Donsuk Pongnikorn, Karnchana Daoprasert, Narate Waisri, Mathieu Laversanne, Freddie Bray
Rapid changes in social and economic development have led to cancer becoming a major cause of national morbidity and mortality in Thailand. Cancer registries have been critical in documenting subnational cancer patterns and transitions in the country; with the establishment of six registries in northern Thailand, a comprehensive assessment of the scale and profile of cancer is now possible in the region. Cancers of the liver, lung, colorectum, breast and cervix were the major cancers 2008-12, although variations in the profiles of cancer were observed, with a very high incidence of liver cancer seen among males in Phrae, corresponding to one in 11 men developing the disease in a lifetime...
December 11, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/29226326/retreg1-fam134b-a-new-player-in-human-diseases-15-years-after-the-discovery-in-cancer
#4
REVIEW
Farhadul Islam, Vinod Gopalan, Alfred King-Yin Lam
FAM134B (family with sequence similarity 134, member B) / RETREG1 and its functional roles are relatively new in human diseases. This review aimed to summarize various functions of FAM134B since our first discovery of the gene in 2001. The protein encoded by FAM134B is a reticulophagy receptor that regulates turnover of the endoplasmic reticulum (ER) by selective phagocytosis. Absence or non-functional expression of FAM134B protein impairs ER-turnover and thereby is involved in the pathogenesis of some human diseases...
December 11, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/29225717/feasibility-of-quantifying-sdc2-methylation-in-stool-dna-for-early-detection-of-colorectal-cancer
#5
Tae Jeong Oh, Hyun Il Oh, Yang Yei Seo, Dongjun Jeong, Changjin Kim, Hyoun Woo Kang, Yoon Dae Han, Hyun Cheol Chung, Nam Kyu Kim, Sungwhan An
Background: Colorectal cancer (CRC) screening is the most efficient strategy to reduce disease-related mortality. Frequent aberrant DNA methylation is known to occur in selected genes and early during CRC development, which has emerged as a new epigenetic biomarker for early detection of CRC. Previously, we reported that we identified that CpG sites of SDC2 were aberrantly methylated in tumor tissues of most CRC patients through comprehensive methylation analysis and demonstrated a high potential of quantification of SDC2 methylation in blood for early detection of colorectal cancer...
2017: Clinical Epigenetics
https://www.readbyqxmd.com/read/29225696/colorectal-cancer-towards-new-challenges-and-concepts-of-preventive-healthcare
#6
EDITORIAL
Lidia Colace, Stefania Boccia, Ruggero De Maria, Ann Zeuner
Colorectal cancer (CRC) holds the woeful record of being the most preventable but least prevented type of cancer. Although healthy lifestyles and screening programs associated to early polyp removal greatly reduce CRC incidence and CRC-related death, the overall lack of information and of effective preventive policies is promoting an overwhelming global escalation of this disease. Moreover, new challenges such as the increasing occurrence of aggressive CRC in young adults highlight underlying changes not only in the incidence but also in the nature of this disease...
2017: Ecancermedicalscience
https://www.readbyqxmd.com/read/29224163/methylation-sensitive-high-resolution-melting-ms-hrm
#7
Dianna Hussmann, Lise Lotte Hansen
Methylation-Sensitive High Resolution Melting (MS-HRM) is an in-tube, PCR-based method to detect methylation levels at specific loci of interest. A unique primer design facilitates a high sensitivity of the assays enabling detection of down to 0.1-1% methylated alleles in an unmethylated background.Primers for MS-HRM assays are designed to be complementary to the methylated allele, and a specific annealing temperature enables these primers to anneal both to the methylated and the unmethylated alleles thereby increasing the sensitivity of the assays...
2018: Methods in Molecular Biology
https://www.readbyqxmd.com/read/29223987/radiosurgery-for-brain-metastases-changing-practice-patterns-and-disparities-in-the-united-states
#8
Benjamin H Kann, Henry S Park, Skyler B Johnson, Veronica L Chiang, James B Yu
Background: Management of brain metastases typically includes radiotherapy (RT) with conventional fractionation and/or stereotactic radiosurgery (SRS). However, optimal indications and practice patterns for SRS remain unclear. We sought to evaluate national practice patterns for patients with metastatic disease receiving brain RT. Methods: We queried the National Cancer Data Base (NCDB) for patients diagnosed with metastatic non-small cell lung cancer, breast cancer, colorectal cancer, or melanoma from 2004 to 2014 who received upfront brain RT...
December 2017: Journal of the National Comprehensive Cancer Network: JNCCN
https://www.readbyqxmd.com/read/29223986/kras-testing-tumor-location-and-survival-in-patients-with-stage-iv-colorectal-cancer-seer-2010-2013
#9
Mary E Charlton, Amanda R Kahl, Alissa A Greenbaum, Jordan J Karlitz, Chi Lin, Charles F Lynch, Vivien W Chen
Purpose:KRAS mutations and tumor location have been associated with response to targeted therapy among patients with stage IV colorectal cancer (CRC) in various trials. This study performed the first population-based examination of associations between KRAS mutations, tumor location, and survival, and assessed factors associated with documented KRAS testing. Methods: Patients with stage IV adenocarcinoma of the colon/rectum diagnosed from 2010 to 2013 were extracted from SEER data. Analyses of patient characteristics, KRAS testing, and tumor location were conducted using logistic regression...
December 2017: Journal of the National Comprehensive Cancer Network: JNCCN
https://www.readbyqxmd.com/read/29222441/robust-rna-based-in-situ-mutation-detection-delineates-colorectal-cancer-subclonal-evolution
#10
Ann-Marie Baker, Weini Huang, Xiao-Ming Mindy Wang, Marnix Jansen, Xiao-Jun Ma, Jeffrey Kim, Courtney M Anderson, Xingyong Wu, Liuliu Pan, Nan Su, Yuling Luo, Enric Domingo, Timon Heide, Andrea Sottoriva, Annabelle Lewis, Andrew D Beggs, Nicholas A Wright, Manuel Rodriguez-Justo, Emily Park, Ian Tomlinson, Trevor A Graham
Intra-tumor heterogeneity (ITH) is a major underlying cause of therapy resistance and disease recurrence, and is a read-out of tumor growth. Current genetic ITH analysis methods do not preserve spatial context and may not detect rare subclones. Here, we address these shortfalls by developing and validating BaseScope-a novel mutation-specific RNA in situ hybridization assay. We target common point mutations in the BRAF, KRAS and PIK3CA oncogenes in archival colorectal cancer samples to precisely map the spatial and morphological context of mutant subclones...
December 8, 2017: Nature Communications
https://www.readbyqxmd.com/read/29221688/primary-tumor-location-and-survival-in-the-general-population-with-metastatic-colorectal-cancer
#11
Shahid Ahmed, Punam Pahwa, Duc Le, Haji Chalchal, Selliah Chandra-Kanthan, Nayyer Iqbal, Anthony Fields
BACKGROUND: Recent evidence from clinical trials suggests that primary tumor location in patients with metastatic colorectal cancer correlates with differential outcomes, and patients with tumors originating in the right side of the colon have inferior survival. We conducted a large population-based cohort study using individual patient data to confirm the prognostic importance of primary tumor location in the general population with metastatic colorectal cancer. METHODS: A cohort of 1947 patients who were diagnosed with metastatic colorectal cancer from 1992 to 2010 was studied...
November 21, 2017: Clinical Colorectal Cancer
https://www.readbyqxmd.com/read/29221687/leptomeningeal-carcinomatosis-in-colorectal-cancer-the-mayo-clinic-experience
#12
Gretchen Taylor, Nina Karlin, Thorvardur R Halfdanarson, Kyle Coppola, Axel Grothey
BACKGROUND: Leptomeningeal metastasis (LM) is an uncommon form of metastatic disease in many cancers. There remains a paucity of literature with regard to the course and management of LM in colorectal cancers (CRCs). The aim of this study was to estimate the incidence of LM in patients with CRC seen at our institution over a 15-year period, and to describe the clinical course and outcome of these cases. METHODS: LM in CRC primary cases between 2000 and 2014 were identified in the Mayo Clinic databases...
November 21, 2017: Clinical Colorectal Cancer
https://www.readbyqxmd.com/read/29221194/altered-microrna-profiles-during-early-colon-adenoma-progression-in-a-porcine-model-of-familial-adenomatous-polyposis
#13
Monika Stachowiak, Tatiana Flisikowska, Stefan Bauersachs, Carolin Perleberg, Hubert Pausch, Marek Switonski, Alexander Kind, Dieter Saur, Angelika Schnieke, Krzysztof Flisikowski
MicroRNAs are dysregulated in various cancers including colorectal cancer, and are potential useful biomarkers of disease development. We used next generation sequencing to investigate miRNA expression profiles in low- and high-grade intraepithelial dysplastic polyps from pigs carrying a mutation in the adenomatous polyposis coli tumour suppressor (APC1311 , orthologous to human APC1309 ) that model an inherited predisposition to colorectal cancer, familial adenomatous polyposis. We identified several miRNAs and their isomiRs significantly (P < 0...
November 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/29221186/inflammatory-biomarkers-in-metastatic-colorectal-cancer-prognostic-and-predictive-role-beyond-the-first-line-setting
#14
Jakob Michael Riedl, Florian Posch, Florian Moik, Angelika Bezan, Joanna Szkandera, Maria Anna Smolle, Anne-Katrin Kasparek, Martin Pichler, Herbert Stöger, Michael Stotz, Armin Gerger
Introduction: Inflammatory biomarkers are useful prognostic tools in cancer patients. However, the prognostic and predictive value of inflammatory biomarkers beyond the 1st-line setting in metastatic colorectal cancer (mCRC) is unclear. Results: In multivariate analysis 1 standard deviation increase in neutrophil-lymphocyte-ratio (NLR) was associated with an 8.5% absolute lower objective-response-rate (ORR) in 1st-line (p<0.0001), 3% lower ORR in 2nd-line (p< 0...
November 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/29221110/a-seven-gene-signature-predicts-overall-survival-of-patients-with-colorectal-cancer
#15
Huarong Chen, Xiaoqiang Sun, Weiting Ge, Yun Qian, Rui Bai, Shu Zheng
Colorectal cancer (CRC) is a major cause of global cancer mortality. Gene expression profiles can help predict prognosis of patients with CRC. In most of previous studies, disease recurrence was analyzed as the survival endpoint. Thus we aim to build a robust gene signature for prediction of overall survival (OS) in patients with CRC. Fresh frozen CRC tissues from 64 patients were analyzed using Affymetrix HG-U133plus 2.0 gene arrays. By performing univariate survival analysis, 6487 genes were found to be associated with the OS in our cohort...
November 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/29220096/hepatic-progenitor-cells-in-metastatic-liver-carcinomas
#16
Ioanna Delladetsima, Stratigoula Sakellariou, Olivier Govaere, Elpida Poulaki, Evangelos Felekouras, Dina Tiniakos
AIMS: Hepatic progenitor cells (HPCs) are activated in various liver diseases but their role in carcinomatous environment remains unknown. We aimed to identify the possible presence and topography of HPCs in liver metastases. METHODS: We examined 14 liver resection specimens for colorectal adenocarcinoma (CRC) (n=13) and anal squamous cell carcinoma (SCC) (n=1) metastases. Immunohistochemical markers of colonic (keratin 20-K20, CDX2) and squamous cell origin (p63), HPC (K19, CD56) and stem cell (CD44) markers, and the biliary marker K7 which may also highlight HPCs were applied on routinely processed tissue sections...
December 8, 2017: Histopathology
https://www.readbyqxmd.com/read/29219921/colorectal-cancer-safety-net-is-it-catching-patients-appropriately
#17
Alison R Althans, Justin T Brady, Melissa L Times, Deborah S Keller, Alexis R Harvey, Molly E Kelly, Nilam D Patel, Scott R Steele
BACKGROUND: Disparities in access to colorectal cancer care are multifactorial and are affected by socioeconomic elements. Uninsured and Medicaid patients present with advanced stage disease and have worse outcomes compared with similar privately insured patients. Safety net hospitals are a major care provider to this vulnerable population. Few studies have evaluated outcomes for safety net hospitals compared with private institutions in colorectal cancer. OBJECTIVE: The purpose of this study was to compare demographics, screening rates, presentation stage, and survival rates between a safety net hospital and a tertiary care center...
January 2018: Diseases of the Colon and Rectum
https://www.readbyqxmd.com/read/29219920/the-fatty-liver-index-a-simple-and-accurate-predictor-of-colorectal-adenoma-in-an-average-risk-population
#18
Eun Young Ze, Beom Jin Kim, Dong Hwan Jun, Jae Gyu Kim, Hyun Kang, Dong Young Lee
BACKGROUND: Nonalcoholic fatty liver disease, the hepatic manifestation of metabolic syndrome, is associated with increased risk of colorectal adenoma, a precursor of colorectal cancer. Because nonalcoholic fatty liver disease and colorectal adenoma share many common risk factors of metabolic syndrome, the association between these 2 pathological findings has been investigated in multiple studies, but the results have been conflicting. OBJECTIVE: The present study aimed to assess the relationship between the fatty liver index, a predictor of nonalcoholic fatty liver disease, and the prevalence of colorectal adenomas...
January 2018: Diseases of the Colon and Rectum
https://www.readbyqxmd.com/read/29219916/the-american-society-of-colon-and-rectal-surgeons-clinical-practice-guideline-for-the-prevention-of-venous-thromboembolic-disease-in-colorectal-surgery
#19
Fergal Fleming, Wolfgang Gaertner, Charles A Ternent, Emily Finlayson, Daniel Herzig, Ian M Paquette, Daniel L Feingold, Scott R Steele
No abstract text is available yet for this article.
January 2018: Diseases of the Colon and Rectum
https://www.readbyqxmd.com/read/29218241/reticulocalbin-2-correlates-with-recurrence-and-prognosis-in-colorectal-cancer
#20
Gang Wang, Qian Wang, Yongguo Fan, Xianli He
Reticulocalbin (RCN) family members could play oncogenic roles in human malignancies and facilitate tumor cell proliferation and metastasis. However, the expression pattern and potential function of Reticulocalbin 2 (RCN2) in colorectal cancer has not been addressed yet. In the present study, we investigated the protein expression of RCN2 by immunohistochemistry assay, and analyzed its association with tumor progression, recurrence and prognosis in 326 cases of patients. Results suggested that the expression of RCN2 was up-regulated in colorectal cancer compared with paired adjacent nontumor specimens...
2017: American Journal of Cancer Research
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