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https://www.readbyqxmd.com/read/28092401/randomized-clinical-trial-of-preoperative-oral-versus-intravenous-iron-in-anaemic-patients-with-colorectal-cancer
#1
B D Keeler, J A Simpson, O Ng, H Padmanabhan, M J Brookes, A G Acheson
BACKGROUND: Treatment of preoperative anaemia is recommended as part of patient blood management, aiming to minimize perioperative allogeneic red blood cell transfusion. No clear evidence exists outlining which treatment modality should be used in patients with colorectal cancer. The study aimed to compare the efficacy of preoperative intravenous and oral iron in reducing blood transfusion use in anaemic patients undergoing elective colorectal cancer surgery. METHODS: Anaemic patients with non-metastatic colorectal adenocarcinoma were recruited at least 2 weeks before surgery and randomized to receive oral (ferrous sulphate) or intravenous (ferric carboxymaltose) iron...
January 16, 2017: British Journal of Surgery
https://www.readbyqxmd.com/read/28092102/micrornas-potential-candidates-for-diagnosis-and-treatment-of-colorectal-cancer
#2
REVIEW
Abdullah Moridikia, Hamed Mirzaei, Amirhossein Sahebkar, Jafar Salimian
Colorectal cancer (CRC) is known as the third common cancer worldwide and an important public health problem in different populations. Several genetics and environmental risk factors are involved in the development and progression of CRC including chromosomal abnormalities, epigenetic alterations, and unhealthy lifestyle. Identification of risk factors and biomarkers could lead to a better understanding of molecular pathways involved in CRC pathogenesis. MicroRNAs (miRNAs) are important regulatory molecules which could affect a variety of cellular and molecular targets in CRC...
January 16, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/28091917/detection-of-rare-mutations-by-routine-analysis-of-kras-nras-and-braf-oncogenes
#3
D S Mikhailenko, G D Efremov, N Yu Safronova, V V Strelnikov, B Ya Alekseev
Molecular genetic analysis of KRAS, NRAS, and BRAF genes was carried out in order to develop an optimal algorithm for detection of minor mutations. We analyzed 35 melanoma and 33 colorectal cancer specimens. Frequent G12D/V/A/C/S mutations were detected in KRAS. The most frequent BRAF mutation in melanoma was V600E, the percentage of rare mutations is significant for DNA diagnosis (24%). Identification of rare BRAF mutations 1790C→G (L597R), 1798_1799delinsAA (V600K), 1798_1799delinsAG (V600R), and 1799_1800delinsAA (V600E) and NRAS mutation 38G→T (G13V) was possible only by Sanger sequencing...
January 14, 2017: Bulletin of Experimental Biology and Medicine
https://www.readbyqxmd.com/read/28091843/the-incidence-of-post-colonoscopy-colorectal-cancer-a-retrospective-long-term-cohort-study-using-a-colonoscopy-database
#4
Ayako Nakada, Ryota Niikura, Atsuo Yamada, Shuntaro Yoshida, Yoshihiro Hirata, Kazuhiko Koike
PURPOSE: The cumulative incidence of post-colonoscopy colorectal cancer remains unclear. Our aims were to estimate the incidence of and identify risk factors associated with post-colonoscopy colorectal cancer. METHODS: We conducted a retrospective cohort study using the colonoscopy database of the Department of Gastroenterology, the University of Tokyo Hospital Records from1995-2012. A cohort of 2544 patients, who received multiple colonoscopies without colorectal cancer findings at first colonoscopy, was selected...
January 14, 2017: International Journal of Colorectal Disease
https://www.readbyqxmd.com/read/28091841/transumbilical-abdominal-incision-for-laparoscopic-colorectal-surgery-does-not-increase-the-risk-of-postoperative-surgical-site-infection
#5
Mizunori Yaegashi, Koki Otsuka, Toshimoto Kimura, Masanori Hakozaki, Megumu Kamishima, Tomoki Hatanaka, Kei Sato, Hitoshi Fujii, Teppei Matsuo, Akira Sasaki
PURPOSE: Besides antibiotic prophylaxis, antiseptic skin preparation is an important measure to prevent surgical site infection (SSI). No reports have detailed the relationship between SSI and umbilical microflora following laparoscopic colorectal cancer with a transumbilical longitudinal incision. METHODS: Risk factors and the rate of SSI were investigated in 453 patients who underwent laparoscopic colorectal resection over a 3-year period. Microbiological samples were collected from the umbilicus and SSI areas...
January 13, 2017: International Journal of Colorectal Disease
https://www.readbyqxmd.com/read/28091607/perceived-stress-and-colorectal-cancer-incidence-the-japan-collaborative-cohort-study
#6
Norimasa Kikuchi, Takeshi Nishiyama, Takayuki Sawada, Chaochen Wang, Yingsong Lin, Yoshiyuki Watanabe, Akiko Tamakoshi, Shogo Kikuchi
Colorectal cancer is the third most common cancer worldwide, and many risk factors for colorectal cancer have been established. However, it remains uncertain whether psychological stress contributes to the onset of colorectal cancer. Therefore, we conducted a large-scale prospective cohort study to confirm the association between perceived stress and colorectal cancer incidence. We identified 680 cases of colon cancer and 330 cases of rectal cancer during a maximum of 21-year follow-up of 61,563 Japanese men and women...
January 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28091359/phyto-oestrogens-and-colorectal-cancer-risk-a-systematic-review-and-dose-response-meta-analysis-of-observational-studies
#7
Ruijingfang Jiang, Akke Botma, Anja Rudolph, Anika Hüsing, Jenny Chang-Claude
Epidemiological studies suggest that soya consumption as a source of phyto-oestrogens and isoflavones may be associated with a reduced risk of colorectal cancer. However, findings have not yet been synthesised for all groups of phyto-oestrogens. A meta-analysis was conducted to quantify the association between phyto-oestrogens and colorectal cancer risk. Relevant observational studies published up to June 2016 were identified by searching MEDLINE, EMBASE and Cochrane Library databases. Study-specific relative risks (RR) were pooled in both categorical and dose-response meta-analyses...
January 16, 2017: British Journal of Nutrition
https://www.readbyqxmd.com/read/28090795/isolation-and-characterization-of-anti-c-met-single-chain-fragment-variable-scfv-antibodies
#8
Elmira Safaie Qamsari, Zahra Sharifzadeh, Salman Bagheri, Farhad Riazi-Rad, Vahid Younesi, Mohsen Abolhassani, Sepideh Safaei Ghaderi, Behzad Baradaran, Mohammad Hossein Somi, Mehdi Yousefi
The receptor tyrosine kinase (RTK) Met is the cell surface receptor for hepatocyte growth factor (HGF) involved in invasive growth programs during embryogenesis and tumorgenesis. There is compelling evidence suggesting important roles for c-Met in colorectal cancer proliferation, migration, invasion, angiogenesis, and survival. Hence, a molecular inhibitor of an extracellular domain of c-Met receptor that blocks c-Met-cell surface interactions could be of great thera-peutic importance. In an attempt to develop molecular inhibitors of c-Met, single chain variable fragment (scFv) phage display libraries Tomlinson I + J against a specific synthetic oligopeptide from the extracellular domain of c-Met receptor were screened; selected scFv were then characterized using various immune techniques...
January 16, 2017: Journal of Immunotoxicology
https://www.readbyqxmd.com/read/28090275/induction-of-epigenetic-alteration-by-cpuk02-an-ent-kaurenoid-derivative-of-stevioside
#9
Pooneh Mokarram, Zeinab Mohammadi, Saeid Khazayel, Zhang Dayong
BACKGROUND: Dietary polyphenols, such as those found in green tea and red wine, are linked to antitumor activity. They are known to influence many signaling pathways epigenetically within the human body. In this regard, CPUK02 (15-Oxosteviol benzyl ester) is a new ent-kaurenoid derivative of stevioside and exhibits strong anti-cancer activity in vitro and in vivo. Nowadays, the role of epigenetics in cancer has been the subject of intensive study and DNA methylation targeting represents a relevant strategy for cancer treatment...
January 2017: Avicenna Journal of Medical Biotechnology
https://www.readbyqxmd.com/read/28089842/curbing-tumorigenesis-and-malignant-progression-through-the-pharmacological-control-of-the-wound-healing-process
#10
REVIEW
Melania Dovizio, Angela Sacco, Paola Patrignani
The prevention of cancer development and its progression is an urgent unmet medical need. Novel knowledge on the biology of cancer has evidenced that genetic changes occurring within cancer cells contribute, but are not sufficient, for tumor promotion and progression. The results of clinical studies and experimental animal models have suggested pursuing new avenues for the prevention of cancer development in the early stages, by using drugs that modulate platelet responses and those interfering with the synthesis and action of the mediators of inflammation...
January 12, 2017: Vascular Pharmacology
https://www.readbyqxmd.com/read/28089833/rufy3-promotes-metastasis-through-epithelial-mesenchymal-transition-in-colorectal-cancer
#11
Ruyi Xie, Jing Wang, Weimei Tang, Yueqiao Li, Ying Peng, Hui Zhang, Guangnan Liu, Xiaoting Huang, Jinjun Zhao, Aimin Li, Wei Gong, Ye Chen, Yuexin Ren, Yadong Wang, Guoxin Li, Side Liu, Jide Wang
Rufy3 is a RUN domain-containing protein that has been associated with gastric cancers; however, the role of Rufy3 in the progression of colorectal cancer (CRC) remains unknown. We demonstrated that Rufy3 expression was higher in 11/12 fresh CRC tissues than in adjacent normal tissues. Rufy3 induced elevated expression and transactivity of four major oncogenes in CRC. Moreover, siRNA-mediated repression of Rufy3 induced G0/G1 cell cycle arrest, and Rufy3 overexpression enhanced CRC cell proliferation in vitro and in vivo...
January 12, 2017: Cancer Letters
https://www.readbyqxmd.com/read/28089732/alox15-as-a-suppressor-of-inflammation-and-cancer-lost-in-the-link
#12
REVIEW
Rui Tian, Xiangsheng Zuo, Jonathan Jaoude, Fei Mao, Jennifer Colby, Imad Shureiqi
Mounting evidence supports a mechanistic link between inflammation and cancer, especially colon cancer. ALOX15 (15-lipoxygenase-1) plays an important role in the formation of key lipid mediators (e.g., lipoxins and resolvins) to terminate inflammation. ALOX15 expression is downregulated in colorectal cancer (CRC). Intestinally-targeted transgenic expression of ALOX15 in mice inhibited dextran sodium sulfate-induced colitis from promoting azoxymethane- induced colorectal tumorigenesis, demonstrating that ALOX15 can suppress inflammation-driven promotion of carcinogen-induced colorectal tumorigenesis and therefore ALOX15 downregulation during tumorigenesis is likely to enhance the link between colitis and colorectal tumorigenesis...
January 12, 2017: Prostaglandins & Other Lipid Mediators
https://www.readbyqxmd.com/read/28089726/hne-and-cholesterol-oxidation-products-in-colorectal-inflammation-and-carcinogenesis
#13
Daniela Rossin, Simone Calfapietra, Barbara Sottero, Giuseppe Poli, Fiorella Biasi
Consistent experimental data suggest the importance of inflammation-associated oxidative stress in colorectal cancer (CRC) pathogenesis. Inflammatory bowel disease with chronic intestinal inflammation is now considered a precancerous condition. Oxidative stress is an essential feature of inflammation. Activation of redox-sensitive pro-inflammatory cell signals and inflammatory mediators concur to establish a pro-tumoral environment. In this frame, lipid oxidation products, namely 4-hydroxynonenal and oxysterols, can be produced in big quantity so as to be able to exert their function as inducers of cell signaling pathways of proliferation and survival...
January 12, 2017: Free Radical Biology & Medicine
https://www.readbyqxmd.com/read/28089624/screening-for-colorectal-cancer-in-france-how-to-improve-adhesion-and-participation
#14
Jean-Christophe Saurin
No abstract text is available yet for this article.
December 1, 2016: Digestive and Liver Disease
https://www.readbyqxmd.com/read/28089507/gastrointestinal-perforation-and-fistula-formation-in-5-patients-with-colorectal-cancer-during-treatment-with-regorafenib
#15
Ayako Doi, Yasutoshi Kuboki, Kohei Shitara, Shota Fukuoka, Hideaki Bando, Wataru Okamoto, Takashi Kojima, Toshihiko Doi, Atsushi Ohtsu, Takayuki Yoshino
No abstract text is available yet for this article.
December 28, 2016: Clinical Colorectal Cancer
https://www.readbyqxmd.com/read/28089385/tailored-telephone-counselling-to-increase-participation-of-underusers-in-a-population-based-colorectal-cancer-screening-programme-with-faecal-occult-blood-test-a-randomized-controlled-trial
#16
B Denis, G Broc, E A Sauleau, I Gendre, K Gana, P Perrin
BACKGROUND: Despite the involvement of general practitioners, the mailing of several recall letters and of the faecal occult blood test (FOBT) kit, the uptake remains insufficient in the French colorectal cancer-screening programme. Some studies have demonstrated a greater efficacy of tailored telephone counselling over usual care, untailored invitation mailing and FOBT kit mailing. We evaluated the feasibility and the effectiveness of telephone counselling on participation in the population-based FOBT colorectal cancer-screening programme implemented in Alsace (France)...
January 11, 2017: Revue D'épidémiologie et de Santé Publique
https://www.readbyqxmd.com/read/28089111/the-molecular-landscape-of-colitis-associated-carcinogenesis
#17
Deborah Saraggi, Matteo Fassan, Claudia Mescoli, Marco Scarpa, Nicola Valeri, Andrea Michielan, Renata D'Incá, Massimo Rugge
In spite of the well-established histopathological phenotyping of IBD-associated preneoplastic and neoplastic lesions, their molecular landscape remains to be fully elucidated. Several studies have pinpointed the initiating role of longstanding/relapsing inflammatory insult on the intestinal mucosa, with the activation of different pro-inflammatory cytokines (TNF-α, IL-6, IL-10, IFN-γ), chemokines and metabolites of arachidonic acid resulting in the activation of key transcription factors such as NF-κB. Longstanding inflammation may also modify the intestinal microbiota, prompting the overgrowth of genotoxic microorganisms, which may act as further cancer promoters...
December 21, 2016: Digestive and Liver Disease
https://www.readbyqxmd.com/read/28088790/intraperitoneal-immunotherapy-with-t-cells-stably-and-transiently-expressing-anti-epcam-car-in-xenograft-models-of-peritoneal-carcinomatosis
#18
Wei Xia Ang, Zhendong Li, Zhixia Chi, Shou-Hui Du, Can Chen, Johan C K Tay, Han Chong Toh, John E Connolly, Xue Hu Xu, Shu Wang
The epithelial cell adhesion molecule (EpCAM) is overexpressed in a wide variety of tumor types, including peritoneal carcinomatosis (PC) from gastrointestinal and gynecological malignancies. To develop a chimeric antigen receptor T (CART) cell therapy approach to treat patients with end-stage PC, we constructed third generation CARs specific to EpCAM using the 4D5MOC-B single chain variable fragment. CART cells were generated with lentiviral transduction and exhibited specific in vitro killing activity against EpCAM-positive human ovarian and colorectal cancer cells...
January 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/28088787/hint2-downregulation-promotes-colorectal-carcinoma-migration-and-metastasis
#19
Weihua Li, Shaoxin Cai, Le Wang, Changshun Yang, Biaohuan Zhou, Huan Wang
Histidine triad nucleotide-binding 2 (HINT2), a member of the histidine triad proteins family, sensitizes cells to apoptosis in hepatocellular carcinoma. Here, we showed that HINT2 expression is lower in primary colorectal cancer (CRC) and metastasis tissues than in normal colorectal tissues, and that HINT2 abundance is inversely correlated with CRC tumor stage. Treating CRC cells with 5-aza-2'-deoxycytidine, a demethylating agent, upregulated HINT2, suggesting HINT2 downregulation is caused by methylation of the gene promoter...
January 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/28088668/near-infrared-light-triggered-drug-delivery-system-for-higher-efficacy-of-combined-chemo-photothermal-treatment
#20
Yi Chen, Haohuan Li, Yueyang Deng, Haifeng Sun, Xue Ke, Tianyuan Ci
: The combination of chemotherapy and photothermal therapy is a promising strategy for cancer treatment. In the present study, indocyanine green (ICG), a widely used near-infrared (NIR) dye in photothermal therapy, and chemotherapeutic drug-doxorubicin (DOX) were loaded within the nanoparticles of novel designed arylboronic ester and cholesterol modified hyaluronic acid (PPE-Chol1-HA), denoted as PCH-DI. We take advantage of reactive oxygen species (ROS) production capability of ICG and ROS-sensitivity of arylboronic ester to realize controllable drug release...
January 11, 2017: Acta Biomaterialia
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