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https://www.readbyqxmd.com/read/28524415/ndrg4-an-early-detection-marker-for-colorectal-cancer-is-specifically-expressed-in-enteric-neurons
#1
N Vaes, M H F M Lentjes, M J Gijbels, G Rademakers, K L Daenen, W Boesmans, K A D Wouters, A Geuzens, X Qu, H P J Steinbusch, B P F Rutten, S H Baldwin, K A Sharkey, R M W Hofstra, M van Engeland, P Vanden Berghe, V Melotte
BACKGROUND: Promoter methylation of N-myc Downstream-Regulated Gene 4 (NDRG4) in fecal DNA is an established early detection marker for colorectal cancer (CRC). Despite its connection to CRC, NDRG4 is predominantly studied in brain and heart, with little to no knowledge about its expression or role in other organs. In this study, we aimed to determine the whole-body expression of NDRG4, with a focus on the intestinal tract. METHODS: We investigated NDRG4 expression throughout the body by immunohistochemistry, Western Blotting and in situ mRNA hybridization using tissues from NDRG4 wild-type, heterozygous and knockout mice and humans...
May 19, 2017: Neurogastroenterology and Motility: the Official Journal of the European Gastrointestinal Motility Society
https://www.readbyqxmd.com/read/28515923/expression-of-cxcr-4-and-ido-in-human-colorectal-cancer-an-immunohistochemical-approach
#2
Masaichi Ogawa, Michiaki Watanabe, Takuo Hasegawa, Kohei Ichihara, Kazuhiko Yoshida, Katsuhiko Yanaga
C-X-C chemokine receptor type 4 (CXCR4), the receptor for the chemokine stromal cell-derived factor (SDF)-1 [also known as C-X-C motif chemokine 12 (CXCL12)], is involved in lymphocyte trafficking. Recent studies have demonstrated that, during pregnancy, a placental enzyme called indoleamine 2, 3-dioxygenase (IDO) exerts a key role in suppressing the maternal T-cell response against the fetus. In the present study, the significance of CXCR4 and IDO expression in human colorectal cancer (CRC) has been investigated by immunohistochemical assay, and their association with survival was analyzed...
May 2017: Molecular and Clinical Oncology
https://www.readbyqxmd.com/read/28459466/insulin-resistance-in-vascular-endothelial-cells-promotes-intestinal-tumour-formation
#3
X Wang, M-F Häring, T Rathjen, S M Lockhart, D Sørensen, S Ussar, L M Rasmussen, M M Bertagnolli, C R Kahn, C Rask-Madsen
The risk of several cancers, including colorectal cancer, is increased in patients with obesity and type 2 diabetes, conditions characterised by hyperinsulinaemia and insulin resistance. Because hyperinsulinaemia itself is an independent risk factor for cancer development, we examined tissue-specific insulin action in intestinal tumour formation. In vitro, insulin increased proliferation of intestinal tumour epithelial cells by almost two-fold in primary culture of tumour cells from Apc(Min/+) mice. Surprisingly, targeted deletion of insulin receptors in intestinal epithelial cells in Apc(Min/+) mice did not change intestinal tumour number or size distribution on either a low or high-fat diet...
May 1, 2017: Oncogene
https://www.readbyqxmd.com/read/28454301/immunohistochemical-profile-of-ing3-protein-in-normal-and-cancerous-tissues
#4
Wen-Feng Gou, Xue-Feng Yang, Dao-Fu Shen, Shuang Zhao, Hong-Zhi Sun, Jun-Sheng Luo, Hua-Chuan Zheng
The inhibitor of growth family, member 3 (ING3) protein may be capable of blocking the cell cycle via activating p53-transactivated promoters of p21 and Bcl2-associated X protein, and may induce apoptosis via a Fas/caspase-8-dependent signaling pathway. In the present study, immunohistochemistry was performed in order to characterize the expression profile of ING3 protein in tissue microarrays containing mouse and human normal tissue, human hepatocellular (n=62), renal clear cell (n=62), pancreatic (n=62), esophageal squamous cell (n=45), cervical squamous cell (n=31), breast (n=144), gastric (n=196), colorectal (n=96), ovarian (n=208), endometrial (n=96) and lung carcinoma (n=192)...
March 2017: Oncology Letters
https://www.readbyqxmd.com/read/28441855/-correlation-between-mismatch-repair-proteins-status-and-clinicopathological-characteristics-in-sporadic-colorectal-cancer-patients
#5
Z T Xiao, R X Zhang, Y Zhao, J H Peng, S X Lu, H Z Zhang, P R Ding, X J Wu, Z H Lu, L R Li, D S Wan, Z Z Pan, G Chen
Objective: To explore the expression of mismatch repair (MMR) proteins in sporadic colorectal cancer (SCRC) patients, and its association with clinicopathological characteristics of SCRC. Methods: Patients with histologically confirmed colorectal cancer were consecutively recruited between December 2011 and June 2015 at Sun Yat-sen University Cancer Center. The exclusion criteria included multiple primary colorectal tumors, hereditary colorectal cancer (including Lynch syndrome, familial adenomatous polyposis), and the patients without the MMR proteins status tested...
April 25, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/28427205/mns16a-tandem-repeat-minisatellite-of-human-telomerase-gene-functional-studies-in-colorectal-lung-and-prostate-cancer
#6
Philipp Hofer, Cornelia Zöchmeister, Christian Behm, Stefanie Brezina, Andreas Baierl, Angelina Doriguzzi, Vanita Vanas, Klaus Holzmann, Hedwig Sutterlüty-Fall, Andrea Gsur
MNS16A, a functional polymorphic tandem repeat minisatellite, is located in the promoter region of an antisense transcript of the human telomerase reverse transcriptase gene. MNS16A promoter activity depends on the variable number of tandem repeats (VNTR) presenting varying numbers of transcription factor binding sites for GATA binding protein 1. Although MNS16A has been investigated in multiple cancer epidemiology studies with incongruent findings, functional data of only two VNTRs (VNTR-243 and VNTR-302) were available thus far, linking the shorter VNTR to higher promoter activity...
April 25, 2017: Oncotarget
https://www.readbyqxmd.com/read/28422758/first-in-human-trial-of-multikinase-vegf-inhibitor-regorafenib-and-anti-egfr-antibody-cetuximab-in-advanced-cancer-patients
#7
Vivek Subbiah, Muhammad Rizwan Khawaja, David S Hong, Behrang Amini, Jiang Yungfang, Hui Liu, Adrienne Johnson, Alexa B Schrock, Siraj M Ali, James X Sun, David Fabrizio, Sarina Piha-Paul, Siqing Fu, Apostolia M Tsimberidou, Aung Naing, Filip Janku, Daniel D Karp, Michael Overman, Cathy Eng, Scott Kopetz, Funda Meric-Bernstam, Gerald S Falchook
BACKGROUND: The combination of multikinase VEGF inhibitor regorafenib and anti-EGFR antibody cetuximab overcomes intrinsic and acquired resistance in both EGFR-sensitive and EGFR-resistant preclinical models of colorectal cancer (CRC). METHODS: Utilizing a standard 3+3 design, a phase I study was designed to determine safety, maximum tolerated dose (MTD), and dose-limiting toxicities (DLTs) of the regorafenib plus cetuximab combination among patients with advanced cancer including CRC...
April 20, 2017: JCI Insight
https://www.readbyqxmd.com/read/28412093/non-small-cell-lung-cancer-as-a-second-primary-among-patients-with-previous-malignancy-who-is-at-risk
#8
Geena X Wu, Rebecca A Nelson, Jae Y Kim, Dan J Raz
BACKGROUND: Patients with previous malignancies could be at increased risk of non-small cell lung cancer (NSCLC). However, the extent of the risk is unknown for many cancer types; thus, it is unclear who might benefit from screening. MATERIALS AND METHODS: The Surveillance, Epidemiology, and End Results data set from 1992 to 2012 was used to identify patients with previous malignancies who received a diagnosis of NSCLC ≥ 6 months after their initial cancer diagnosis...
March 2, 2017: Clinical Lung Cancer
https://www.readbyqxmd.com/read/28398879/parthenolide-selectively-sensitizes-prostate-tumor-tissue-to-radiotherapy-while-protecting-healthy-tissues-in-vivo
#9
Katherine L Morel, Rebecca J Ormsby, Eva Bezak, Christopher J Sweeney, Pamela J Sykes
Radiotherapy is widely used in cancer treatment, however the benefits can be limited by radiation-induced damage to neighboring normal tissues. Parthenolide (PTL) exhibits anti-inflammatory and anti-tumor properties and selectively induces radiosensitivity in prostate cancer cell lines, while protecting primary prostate epithelial cell lines from radiation-induced damage. Low doses of radiation have also been shown to protect from subsequent high-dose-radiation-induced apoptosis as well as DNA damage. These properties of PTL and low-dose radiation could be used to improve radiotherapy by killing more tumor cells and less normal cells...
May 2017: Radiation Research
https://www.readbyqxmd.com/read/28316601/the-interplay-between-radioresistant-caco-2-cells-and-the-immune-system-increases-epithelial-layer-permeability-and-alters-signaling-protein-spectrum
#10
Jacopo Morini, Gabriele Babini, Sofia Barbieri, Giorgio Baiocco, Andrea Ottolenghi
Colorectal cancer is one of the most frequent type of cancer, with a higher incidence in the developed countries. Colorectal cancer is usually managed with both surgeries, chemotherapy and radiotherapy. Radiotherapy has the well-known advantage of targeting the tumor, minimizing normal tissue exposure. Nevertheless, during radiation treatment, exposure of healthy tissues is of great concern, in particular because of the effects on the intestinal barrier functions and on cells belonging to the immune system...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28284059/reactivating-p53-and-inducing-tumor-apoptosis-rita-enhances-the-response-of-rita-sensitive-colorectal-cancer-cells-to-chemotherapeutic-agents-5-fluorouracil-and-oxaliplatin
#11
Armin Wiegering, Niels Matthes, Bettina Mühling, Monika Koospal, Anne Quenzer, Stephanie Peter, Christoph-Thomas Germer, Michael Linnebacher, Christoph Otto
Colorectal carcinoma (CRC) is the most common cancer of the gastrointestinal tract with frequently dysregulated intracellular signaling pathways, including p53 signaling. The mainstay of chemotherapy treatment of CRC is 5-fluorouracil (5FU) and oxaliplatin. The two anticancer drugs mediate their therapeutic effect via DNA damage-triggered signaling. The small molecule reactivating p53 and inducing tumor apoptosis (RITA) is described as an activator of wild-type and reactivator of mutant p53 function, resulting in elevated levels of p53 protein, cell growth arrest, and cell death...
April 2017: Neoplasia: An International Journal for Oncology Research
https://www.readbyqxmd.com/read/28282916/blockage-of-glyoxalase-i-inhibits-colorectal-tumorigenesis-and-tumor-growth-via-upregulation-of-stat1-p53-and-bax-and-downregulation-of-c-myc-and-bcl-2
#12
Yuan Chen, Lei Fang, Jiali Zhang, Gefei Li, Mengni Ma, Changxi Li, Jianxin Lyu, Qing H Meng
GlyoxalaseI (GLOI) is an enzyme that catalyzes methylglyoxal metabolism. Overexpression of GLOI has been documented in numerous tumor tissues, including colorectal cancer (CRC). The antitumor effects of GLOI depletion have been demonstrated in some types of cancer, but its role in CRC and the mechanisms underlying this activity remain largely unknown. Our purpose was to investigate the antitumor effects of depleted GLOI on CRC in vitro and in vivo. RNA interference was used to deplete GLOI activity in four CRC cell lines...
March 9, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28039328/outcome-of-24%C3%A2-years-national-surveillance-in-different-hereditary-colorectal-cancer-subgroups-leading-to-more-individualised-surveillance
#13
Lars Joachim Lindberg, Steen Ladelund, Birgitte Lidegaard Frederiksen, Lars Smith-Hansen, Inge Bernstein
BACKGROUND: Individuals with hereditary non-polyposis colorectal cancer (HNPCC) have a high risk of colorectal cancer (CRC). The benefits of colonic surveillance in Lynch syndrome and Amsterdam-positive (familial CRC type X familial colorectal cancer type X (FCCTX)) families are clear; only the interval between colonoscopies is debated. The potential benefits for families not fulfilling the Amsterdam criteria are uncertain. The aim of this study was to compare the outcome of colonic surveillance in different hereditary subgroups and to evaluate the surveillance programmes...
May 2017: Journal of Medical Genetics
https://www.readbyqxmd.com/read/28002446/the-agaricus-blazei-based-mushroom-extract-andosan%C3%A2-protects-against-intestinal-tumorigenesis-in-the-a-j-min-mouse
#14
Geir Hetland, Dag M Eide, Jon M Tangen, Mads H Haugen, Mohammad R Mirlashari, Jan E Paulsen
BACKGROUND: The novel A/J Min/+ mouse, which is a model for human Familial Adenomatous Polyposis (FAP), develops spontaneously multiple adenocarcinomas in the colon as well as in the small intestine. Agaricus blazei Murill (AbM) is an edible Basidiomycetes mushroom that has been used in traditional medicine against cancer and other diseases. The mushroom contains immunomodulating β-glucans and is shown to have antitumor effects in murine cancer models. Andosan™ is a water extract based on AbM (82%), but it also contains the medicinal Basidiomycetes mushrooms Hericeum erinaceus and Grifola frondosa...
2016: PloS One
https://www.readbyqxmd.com/read/27977020/dna-methylation-identifies-loci-distinguishing-hereditary-nonpolyposis-colorectal-cancer-without-germ-line-mlh1-msh2-mutation-from-sporadic-colorectal-cancer
#15
Chung-Hsing Chen, Shih Sheng Jiang, Ling-Ling Hsieh, Reiping Tang, Chao A Hsiung, Hui-Ju Tsai, I-Shou Chang
OBJECTIVES: Roughly half of hereditary nonpolyposis colorectal cancer (HNPCC) cases are Lynch syndrome and exhibit germ-line mutations in DNA mismatch repair (MMR) genes; the other half are familial colorectal cancer (CRC) type X (FCCTX) and are MMR proficient. About 70% of Lynch syndrome tumors have germ-line MLH1 or MSH2 mutations. The clinical presentation, histopathological features, and carcinogenesis of FCCTX resemble those of sporadic MMR-proficient colorectal tumors. It is of interest to obtain biomarkers that distinguish FCCTX from sporadic microsatellite stable (MSS) CRC, to develop preventive strategies...
December 15, 2016: Clinical and Translational Gastroenterology
https://www.readbyqxmd.com/read/27938574/-effects-of-neoadjuvant-chemoradiotherapy-on-the-rates-of-sphincter-preserving-surgery-in-lower-rectal-cancer-and-analysis-of-their-prognostic-factors
#16
X J Wang, P Chi, H M Lin, X R Lu, Y Huang, Z B Xu, S H Huang, Y W Sun, D X Ye
Objectives: To identify independent factors of sphincter preserving surgery, and to evaluated whether preoperative chemoradiotherapy (CRT) improves the sphincter preservation rate for lower rectal cancers. Methods: A total of 541 consecutive patients who underwent curative surgery for locally advanced rectal cancer (cT3-4Nx or cTxN+ ) within 6 cm of the anal verge with or without neoadjuvant CRT in Department of Colorectal Surgery, Union Hospital, Fujian Medical University between September 2000 and September 2013 were reviewed...
June 1, 2016: Zhonghua Wai Ke za Zhi [Chinese Journal of Surgery]
https://www.readbyqxmd.com/read/27903750/nuclear-export-of-ubiquitinated-proteins-determines-the-sensitivity-of-colorectal-cancer-to-proteasome-inhibitor
#17
Tingyu Wu, Wei Chen, Yongwang Zhong, Xiaodan Hou, Shengyun Fang, Chen-Ying Liu, Guanghui Wang, Tong Yu, Yu-Yang Huang, Xuesong Ouyang, Henry Q X Li, Long Cui, Yili Yang
Although proteasome inhibitors such as Bortezomib had significant therapeutic effects in multiple myeloma and mantel cell lymphoma, they exhibited minimal clinical activity as a mono-therapy for solid tumors, including colorectal cancer. We found in the present study that proteasome inhibition induced a remarkable nuclear exportation of ubiquitinated proteins. Inhibition of CRM1, the nuclear export carrier protein, hampered protein export and synergistically enhanced the cytotoxic action of Bortezomib on colon cancer cells containing wild type p53, which underwent G2/M cell cycle block and apoptosis...
November 30, 2016: Molecular Cancer Therapeutics
https://www.readbyqxmd.com/read/27894406/vincristine-promotes-migration-and-invasion-of-colorectal-cancer-hct116-cells-through-rhoa-rock-myosin-light-chain-pathway
#18
X Jin, K Liu, B Jiao, X Wang, S Huang, W Ren, K Zhao
Vincristine is an antitumor vinca alkaloid isolated from vinca rosea, and is a medication used to treat a number of types of cancer. In this study, we investigated the impact of vincristine on oncogenic phenotypes of human colorectal cancer HCT116 cells. MTT assay demonstrated that vincristine showed a obviously inhibitory effect on cell growth compared to non-treated cells. However, Transwell assay showed that vincristine promoted migration and invasion of HCT116 cells in vitro in a concentration-dependent manner between 0...
October 31, 2016: Cellular and Molecular Biology
https://www.readbyqxmd.com/read/27801343/-a-retrospective-case-control-study-of-immunoglobulin-g4-related-disease-combined-with-malignancy
#19
Y L Feng, D Wu, S Y Zhang, X Wu, H J Shu, A M Yang, J M Qian
IgG4-related disease (IgG4-RD) has been proved to be associated with malignancy.The incidence and risk factors of malignancy development in IgG4-RD were not clear. Nine IgG4-RD patients with malignancies and 27 IgG4-RD control cases were analyzed for risk factors and clinical features. The incidence of malignancy in IgG4-RD was 3.3%, higher than age-controlled general population. Smoking history was significantly more common in patients with malignancies than in the control group (9/9 vs 16/27, P<0.05). A total of 6/9 malignancies occurred within the first year after the diagnosis of IgG4-RD...
November 1, 2016: Zhonghua Nei Ke za Zhi [Chinese Journal of Internal Medicine]
https://www.readbyqxmd.com/read/27733754/prognostic-value-of-zinc-finger-protein-x-linked-in-patients-with-solid-tumors
#20
Chao Dai, Qing Dong, Qi Lu, Fang T Liu, Zheng M Zhu
INTRODUCTION: Many studies recently suggested that Zinc-finger protein X-linked (ZFX) acted as a novel oncoprotein in various malignancies. It was frequently overexpressed in cancerous tissues and the high expression of ZFX may have important clinical value. This meta-analysis aims to investigate the prognostic value of ZFX as a biomarker of solid cancers. EVIDENCE ACQUISITION: We search for multiple databases, including Pubmed, Springer, Web of Science, CNKI from 1996 to Sep...
February 2017: Minerva Chirurgica
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