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https://www.readbyqxmd.com/read/28931069/methylation-associated-transcriptional-repression-of-elovl5-in-novel-colorectal-cancer-cell-lines
#1
Arnoud Boot, Jan Oosting, Jaap D H van Eendenburg, Peter J K Kuppen, Hans Morreau, Tom van Wezel
Genetic and epigenetic alterations mark colorectal cancer (CRC). Global hypomethylation is observed in nearly all CRC, but a distinct subset of CRC show the CpG Island Methylator Phenotype (CIMP). These tumors show DNA hypermethylation of a specific subset of CpG islands, resulting in transcriptional downregulation of nearby genes. Recently we reported the establishment of novel CRC cell lines derived from primary and metastatic CRC tissues. In this study we describe the DNA methylation profiling of these low passage CRC cell lines...
2017: PloS One
https://www.readbyqxmd.com/read/28930958/perioperative-use-of-nonsteroidal-anti-inflammatory-drugs-and-the-risk-of-anastomotic-failure-in-emergency-general-surgery
#2
Nadeem N Haddad, Brandon R Bruns, Toby M Enniss, David Turay, Joseph V Sakran, Alisan Fathalizadeh, Kristen Arnold, Jason S Murry, Matthew M Carrick, Matthew C Hernandez, Margaret H Lauerman, Asad J Choudhry, David S Morris, Jose J Diaz, Herb A Phelan, Martin D Zielinski
BACKGROUND: Nonsteroidal anti-inflammatory drugs (NSAIDs) are commonly used analgesic and anti-inflammatory adjuncts. Nonsteroidal anti-inflammatory drug administration may potentially increase the risk of postoperative gastrointestinal anastomotic failure (AF). We aim to determine if perioperative NSAID utilization influences gastrointestinal AF in emergency general surgery (EGS) patients undergoing gastrointestinal resection and anastomosis. METHODS: Post hoc analysis of a multi-institutional prospectively collected database was performed...
October 2017: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/28930846/cancer-risk-in-patients-with-diabetic-nephropathy-a-retrospective-cohort-study-in-hong-kong
#3
Chi Yuen Cheung, Maggie Kam Man Ma, Wai Leung Chak, Sydney Chi Wai Tang
Diabetic nephropathy (DN) is a leading cause of end-stage kidney disease nowadays. Certain cancers are more common in patients with diabetes mellitus. However, there are no data concerning the cancer pattern in patients with DN. The aim of this study is to investigate the site-specific cancer risk and mortality in these patients.A retrospective cohort study of 5643 DN patients between 2000 and 2015 was conducted in 2 large hospitals in Hong Kong. Incidence and mortality of various cancers were compared with those of general population using standardized incidence ratios (SIRs) and standardized mortality ratios (SMRs) respectively...
September 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28930817/cronkhite-canada-syndrome-associated-with-colon-cancer-metastatic-to-liver-a-case-report
#4
Jing Wang, Lei Zhao, Nina Ma, Juanjuan Che, Huihui Li, Bangwei Cao
RATIONALE: Cronkhite-Canada Syndrome (CCS) is an idiopathic, nonhereditary syndrome haracterized by gastrointestinal (GI) polyposis and ectodermal changes including alopecia, onychatrophia, and pigmentation. CCS colon polyps were previously considered to be benign neoplasms. However, serrated adenoma was reported to be associated with malignant neoplasms in some cases of gastric and colorectal carcinomas, and esophageal cancers. Although malignant colon and gastric cancer have been reported in CCS, reports of distant metastasis have been rare in CCS...
September 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28930716/antinociceptive-effect-of-ghrelin-in-a-rat-model-of-irritable-bowel-syndrome-involves-trpv1-opioid-systems
#5
Yuqing Mao, Zhengyang Li, Kan Chen, Huafang Yu, Shaoren Zhang, Miao Jiang, Yuanhua Ma, Chunli Liang, Hongyan Liu, Huanqing Li, Qian Hua, Hao Zhou, Yonghong Sun, Xiaoming Fan
BACKGROUND/AIMS: Irritable bowel syndrome (IBS), defined as recurrent abdominal pain and changes in bowel habits, seriously affects quality of life and ability to work. Ghrelin is a brain-gut hormone, which has been reported to show antinociceptive effects in peripheral pain. We investigated the effect of ghrelin on visceral hypersensitivity and pain in a rat model of IBS. METHODS: Maternal deprivation (MD) was used to provide a stress-induced model of IBS in Wistar rats...
September 20, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28930565/role-of-fibroblast-growth-factor-receptor-2-splicing-in-normal-and-cancer-cells
#6
Toshiyuki Ishiwata
Types 1-4 of fibroblast growth factor receptors (FGFR) are all expressed in various cancers. Because of its prominent role in carcinogenesis and cancer progression, FGFR-2, is being considered as a novel target in cancer treatment. Owing to the alternative splicing of its extracellular domain, FGFR-2 exists in two variants: IIIb and IIIc. FGFR-2 IIIb is mainly expressed in normal epithelial cells, as well as in oral mucosal, esophageal, gastric, colorectal, pancreatic, pulmonary, breast, endometrial, cervical, and prostate cancers...
January 1, 2018: Frontiers in Bioscience (Landmark Edition)
https://www.readbyqxmd.com/read/28930294/surgery-kras-mutations-and-hepatic-recurrence-after-treatment-of-colorectal-liver-metastases
#7
Kristoffer Watten Brudvik, Jean-Nicolas Vauthey
No abstract text is available yet for this article.
September 20, 2017: Nature Reviews. Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/28930293/colorectal-cancer-what-is-the-role-of-lymph-node-metastases-in-the-progression-of-colorectal-cancer
#8
Iris D Nagtegaal, Hans-Joachim Schmoll
No abstract text is available yet for this article.
September 20, 2017: Nature Reviews. Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/28930232/antimicrobial-antioxidant-and-cytotoxic-activities-of-ocimum-forskolei-and-teucrium-yemense-lamiaceae-essential-oils
#9
Nasser A Awadh Ali, Bhuwan K Chhetri, Noura S Dosoky, Khola Shari, Ahmed J A Al-Fahad, Ludger Wessjohann, William N Setzer
Background:Ocimum forskolei and Teucrium yemense (Lamiaceae) are used in traditional medicine in Yemen. Methods: The chemical composition, antimicrobial, antioxidant and cytotoxic activities of the essential oils isolated from the leaves of Ocimum forskolei Benth. (EOOF) and two different populations of Teucrium yemense Deflers., one collected from Dhamar province (EOTY-d), and another collected from Taiz (EOTY-t) were investigated. The antimicrobial activities of the oils were evaluated against several microorganisms with the disc diffusion test or the broth microdilution test...
April 1, 2017: Medicines (Basel, Switzerland)
https://www.readbyqxmd.com/read/28930191/dietary-inflammatory-index-and-colorectal-cancer-risk-a-meta-analysis
#10
REVIEW
Nitin Shivappa, Justyna Godos, James R Hébert, Michael D Wirth, Gabriele Piuri, Attilio F Speciani, Giuseppe Grosso
Diet and chronic inflammation of the colon have been suggested to be risk factors in the development of colorectal cancer (CRC). The possible link between inflammatory potential of diet, measured through the Dietary Inflammatory Index (DII(®)), and CRC has been investigated in several populations across the world. The aim of this study was to conduct a meta-analysis on studies exploring this association. Data from nine studies were eligible, of which five were case-control and four were cohort studies. Results from meta-analysis showed a positive association between increasing DII scores, indicating a pro-inflammatory diet, and CRC...
September 20, 2017: Nutrients
https://www.readbyqxmd.com/read/28930188/cytotoxic-and-apoptotic-activities-of-prunus-spinosa-trigno-ecotype-extract-on-human-cancer-cells
#11
Stefania Meschini, Evelin Pellegrini, Maria Condello, Giovanni Occhionero, Sebastiano Delfine, Giancarlo Condello, Franco Mastrodonato
The aim of this work was to demonstrate that a natural compound, not-toxic to normal cells, has cytotoxic and sensitizing effects on carcinoma cells, with the final goal of combining it with chemotherapeutic drugs to reduce the overall dose. Prunus spinosa Trigno ecotype (PsT) drupe extract with a nutraceutical activator complex (NAC) made of amino acids, vitamins and mineral salt blends, has shown in vitro anticancer activity. The cytotoxic effect of (PsT + NAC)(®) has been evaluated on human cancer cells, with an initial screening with colorectal, uterine cervical, and bronchoalveolar cells, and a subsequent focus on colon carcinoma cells HCT116 and SW480...
September 20, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28930145/to-wnt-or-lose-the-missing-non-coding-linc-in-colorectal-cancer
#12
REVIEW
Peng Shen, Martin Pichler, Meng Chen, George A Calin, Hui Ling
Colorectal cancer (CRC) is the third most frequent cancer and one of the leading causes for cancer-related mortality. Aberrant activation of the Wnt signaling is an essential initiating factor in colon carcinogenesis, and a driving force of CRC progression. Recently, long non-coding RNAs (lncRNAs) have emerged as significant players in CRC pathogenesis through diversified mechanisms. Although both Wnt signaling and lncRNAs represent interesting research areas for CRC, an effort of directly connecting these two areas is lacking...
September 20, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28929777/is-it-possible-to-predict-the-presence-of-colorectal-cancer-in-a-blood-test-a-probabilistic-approach-method
#13
José Manuel Navarro Rodríguez, Javier Gallego Plazas, Rafael Calpena Rico, Fernando Borras Rocher, José Antonio Ruiz Macia, Miguel Ángel Morcillo Ródenas
INTRODUCTION: The assessment of the state of immunosurveillance (the ability of the organism to prevent the development of neoplasias) in the blood has prognostic implications of interest in colorectal cancer. We evaluated and quantified a possible predictive character of the disease in a blood test using a mathematical interaction index of several blood parameters. The predictive capacity of the index to detect colorectal cancer was also assessed. METHODS: We performed a retrospective case-control study of a comparative analysis of the distribution of blood parameters in 266 patients with colorectal cancer and 266 healthy patients during the period from 2009 to 2013...
September 18, 2017: Revista Española de Enfermedades Digestivas
https://www.readbyqxmd.com/read/28929494/crhr2-ucn2-signaling-is-a-novel-regulator-of-mir-7-yy1-fas-circuitry-contributing-to-reversal-of-colorectal-cancer-cell-resistance-to-fas-mediated-apoptosis
#14
Charalabos Pothoulakis, Monica Torre-Rojas, Marco A Duran-Padilla, Jonathan Gevorkian, Odysseas Zoras, Emmanuel Chrysos, George Chalkiadakis, Stavroula Baritaki
Colorectal cancer (CRC) responds poorly to immuno-mediated cytotoxicity. Underexpression of Corticotropin-releasing-hormone-receptor-2 (CRHR2) in CRC, promotes tumor survival, growth and Epithelial to Mesenchymal Transition (EMT), in vitro and in vivo. We explored the role of CRHR2 downregulation in CRC cell resistance to Fas/FasL-mediated apoptosis and the underlying molecular mechanism. CRC cell sensitivity to CH11-induced apoptosis was compared between Urocortin-2 (Ucn2)-stimulated parental and CRHR2-overexpressing CRC cell lines and targets of CRHR2/Ucn2 signaling were identified through in vitro and ex vivo analyses...
September 20, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28929387/distinct-histopathological-characteristics-in-colorectal-submucosal-invasive-carcinoma-arising-in-sessile-serrated-adenoma-polyp-and-conventional-tubular-adenoma
#15
Takashi Murakami, Hiroyuki Mitomi, Takashi Yao, Tsuyoshi Saito, Tomoyoshi Shibuya, Naoto Sakamoto, Taro Osada, Sumio Watanabe
The histopathological characteristics of colorectal submucosal invasive carcinoma arising in sessile serrated adenoma/polyp (SSA/P), a rare malignant tumour, have not yet been fully elucidated. To investigate the features of such, we retrospectively analysed 40 submucosal invasive carcinomas with SSA/P (CA-SSA/P) and compared them to 129 cases of submucosal invasive carcinoma with conventional tubular adenoma (CA-AD). We additionally performed hMLH1 immunostaining. CA-SSA/Ps were significantly smaller than CA-ADs (P < 0...
September 19, 2017: Virchows Archiv: An International Journal of Pathology
https://www.readbyqxmd.com/read/28929377/opposing-roles-of-the-aldo-keto-reductases-akr1b1-and-akr1b10-in-colorectal-cancer
#16
Betul Taskoparan, Esin Gulce Seza, Secil Demirkol, Sinem Tuncer, Milan Stefek, Ali Osmay Gure, Sreeparna Banerjee
PURPOSE: Aldo-keto reductases (including AKR1B1 and AKR1B10) constitute a family of oxidoreductases that have been implicated in the pathophysiology of diabetes and cancer, including colorectal cancer (CRC). Available data indicate that, despite their similarities in structure and enzymatic functions, their roles in CRC may be divergent. Here, we aimed to determine the expression and functional implications of AKR1B1 and AKR1B10 in CRC. METHODS: AKR1B1 and AKR1B10 gene expression levels were analyzed using publicly available microarray data and ex vivo CRC-derived cDNA samples...
September 19, 2017: Cellular Oncology (Dordrecht)
https://www.readbyqxmd.com/read/28929341/margin-status-is-still-an-important-prognostic-factor-in-hepatectomies-for-colorectal-liver-metastases-a-propensity-score-matching-analysis
#17
Riccardo Memeo, Vito de Blasi, Rene Adam, Diane Goéré, Tullio Piardi, Emilie Lermite, Olivier Turrini, Francis Navarro, Nicola de'Angelis, Antonio Sa Cunha, Patrick Pessaux
OBJECTIVE: The width of resection margin is still a matter of debate in case of colorectal liver metastasis resection. The aim of this study was to determine the risk factors for R1 resection. Once risk factors had been identified, patients were matched according to Fong's prognostic criteria, in order to evaluate whether R1 resection still remained a negative prognostic factor impacting overall and disease-free survival. METHODS: A total of 1784 hepatectomies were analyzed from a multicentric retrospective cohort of hepatectomies...
September 19, 2017: World Journal of Surgery
https://www.readbyqxmd.com/read/28929306/colorectal-anastomotic-leak-delay-in-reintervention-after-false-negative-computed-tomography-scan-is-a-reason-for-concern
#18
C C M Marres, A W H van de Ven, L G J Leijssen, P C M Verbeek, W A Bemelman, C J Buskens
BACKGROUND: Early detection of anastomotic leakage (AL) after colorectal surgery followed by timely reintervention is of crucial importance. The aim of this study was to investigate the accuracy of computed tomography (CT) imaging for AL and the effects of delay in reintervention after a false-negative CT. METHODS: All files from patients who had colorectal surgery with primary anastomoses between 2009 and 2014 were reviewed. The predictive value of CT scanning for AL was determined and correlated with short-term postoperative patient outcomes...
September 19, 2017: Techniques in Coloproctology
https://www.readbyqxmd.com/read/28929282/anoperineal-lesions-in-crohn-s-disease-french-recommendations-for-clinical-practice
#19
REVIEW
D Bouchard, L Abramowitz, G Bouguen, C Brochard, A Dabadie, V de Parades, M Eléouet-Kaplan, N Fathallah, J-L Faucheron, L Maggiori, Y Panis, F Pigot, P Rouméguère, A Sénéjoux, L Siproudhis, G Staumont, J-M Suduca, B Vinson-Bonnet, J-D Zeitoun
BACKGROUND: Anoperineal lesion (APL) occurrence is a significant event in the evolution of Crohn's disease (CD). Management should involve a multidisciplinary approach combining the knowledge of the gastroenterologist, the colorectal surgeon and the radiologist who have appropriate experience in this area. Given the low level of evidence of available medical and surgical strategies, the aim of this work was to establish a French expert consensus on management of anal Crohn's disease. These recommendations were led under the aegis of the Société Nationale Française de Colo-Proctologie (SNFCP)...
September 19, 2017: Techniques in Coloproctology
https://www.readbyqxmd.com/read/28929277/fluorescence-guided-surgery-in-the-combined-treatment-of-peritoneal-carcinomatosis-from-colorectal-cancer-preliminary-results-and-considerations
#20
Eva Lieto, Annamaria Auricchio, Francesca Cardella, Andrea Mabilia, Nicoletta Basile, Paolo Castellano, Michele Orditura, Gennaro Galizia
BACKGROUND: Indocyanine green (ICG) is a near-infrared fluorescent contrast agent, which preferentially accumulates in cancer tissue. The aim of our study was to investigate the role of fluorescence imaging (FI) with ICG (ICG-FI) for detecting peritoneal carcinomatosis (PC) from colorectal cancer (CRC). METHODS: Four CRC patients with PC scheduled for cytoreductive surgery + hyperthermic intraperitoneal chemotherapy were enrolled in this prospective study. At a median time of 50 min after 0...
September 19, 2017: World Journal of Surgery
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