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colorectal carcinoma

Nelson S Yee
Progress has been made in the treatment of gastrointestinal cancers through advances in systemic therapies, surgical interventions, and radiation therapy. At the Multi-Disciplinary Patient Care in Gastrointestinal Oncology conference, the faculty members of the Penn State Health Milton S. Hershey Medical Center presented a variety of topics that focused on this sub-specialty. This conference paper highlights the new development in systemic treatment of various malignant diseases in the digestive system. Results of the recent clinical trials that investigated the clinical efficacy of pegylated hyaluronidase, napabucasin, and L-asparaginase in pancreatic carcinoma are presented...
March 16, 2018: Biomedicines
Stella Arelaki, Athanasios Arampatzioglou, Konstantinos Kambas, Efthimios Sivridis, Alexandra Giatromanolaki, Konstantinos Ritis
Inflammation is a hallmark of colorectal cancer (CRC). Neutrophils are well-known mediators in tumor biology but their role in solid tumors, including CRC, was redefined by neutrophil extracellular traps (NETs). Given that it was recently demonstrated that platelet-derived polyP primes neutrophils to release NETs, we examined surgical specimens from CRC to investigate the presence of polyP, as a possible NET inducer. Biopsies with adenomas, hyperplastic polyps, inflammatory bowel disease and healthy colon tissues were used as controls...
2018: PloS One
Somali Mukherjee, Sumi Ganguly, Krishnendu Manna, Sanchaita Mondal, Supratim Mahapatra, Debasis Das
Five new coordination polymers (CPs) namely, [{Zn(μ2 -H2 O)0.5 (5N3 -IPA)(2,2'-bpe)}]∞ (1), [{Zn(μ2 -H2 O)0.5 (5N3 -IPA)(1,10-phen)}]∞ (2), [{Zn(5N3 -IPA)(1,2-bpe)}]∞ (3), [{Zn(5N3 -IPA)(1,2-bpey)}]∞ (4), and [{Zn(H2 O)(5N3 -IPA)(4,4'-tme)}(H2 O)0.5 ]∞ (5) (5N3 -H2 IPA = 5-azidoisophthalic acid, 2,2'-bpe= 2,2'-bipyridine, 1,10-phen = 1,10-phenanthroline, 1,2-bpe = 1,2-bis(4-pyridyl)ethane, 1,2-bpey = 1,2-bis(4-pyridyl)ethylene, 4,4'-tme = 4,4'-trimethylenedipyridine), have been synthesized based on a mixed ligand approach adopting a solvothermal technique...
March 15, 2018: Inorganic Chemistry
Jing Ruan, Ying Wang, Fang Li, Renbing Jia, Guangming Zhou, Chunlin Shao, Liqi Zhu, Malin Cui, Da-Peng Yang, Shengfang Ge
Combination of drug chemotherapy and ray radiation is the main solution for treating patients with advanced colorectal carcinoma, but the toxicity and adverse effects caused in the surrounding normal tissues and the radio resistance in tumor site will severely influence its therapeutic effect. Nano radiosensitizer is an ideal choice for improving the tumor radiotherapy effects thanks to its high degree of tumor tissue uptake and secondary electrons productivity. Graphene quantum dots (GQDs) have good oxidative stress response and significantly high phototoxicity, and are regarded as a potential nano radiosensitizer...
March 15, 2018: ACS Applied Materials & Interfaces
Meike Hutt, Sina Fellermeier-Kopf, Oliver Seifert, Lisa C Schmitt, Klaus Pfizenmaier, Roland E Kontermann
Fusion proteins combining hexavalent TRAIL with antibody fragments allow for a targeted delivery and efficient apoptosis induction in tumor cells. Here, we analyzed scFv-Fc-scTRAIL molecules directed against EGFR, HER2, HER3, and EpCAM as well as an untargeted Fc-scTRAIL fusion protein for their potentials to induce cell death both in vitro and in a xenograft tumor model in vivo . The scFv-Fc-scTRAIL fusion protein directed against EGFR as well as the fusion protein directed against EpCAM showed targeting effects on the two tested colorectal carcinoma cell lines Colo205 and HCT116, while a fusion protein targeting HER3 was more effective than untargeted Fc-scTRAIL only on Colo205 cells...
February 16, 2018: Oncotarget
Wenjie Dong, Na Li, Xiufeng Pei, Xinai Wu
Dual-specificity phosphatase-2 (DUSP2), a negative regulator of extracellular-regulated kinase activity, has been identified as an important kinase with emerging roles in cancer. However, the clinical significance of DUSP2 in colorectal cancer (CRC) remains to be fully elucidated. In the present study, the expression of DUSP2 was investigated using immunohistochemistry in 96 patients with CRC. Cell viability was estimated using a cell counting kit-8 assay, and cell apoptosis by flow cytometry. The relationship between DUSP2 expression and patient characteristics, including overall survival, were studied retrospectively in these patients...
April 2018: Oncology Letters
Sun-Young Jun, Seung-Mo Hong, Young Kyung Bae, Hee Kyung Kim, Kyu Yun Jang, Dae Woon Eom
Heme oxygenase-1 (HO-1), a stress-response protein, is highly induced in various carcinomas. It is implicated in carcinogenesis and tumor progression. High HO-1 expression is associated with better prognosis of patients with colorectal and gastric cancers. Induction or inhibition of HO-1 can mediate chemo-sensitivity, therefore it might be a therapeutic target to develop anticancer agents. To define the clinicopathological and prognostic significance of HO-1 expression in small-intestinal adenocarcinomas (SIACs), immunohistochemical microarray analysis of HO-1 expression was performed for 191 surgically resected SIAC cases and results were compared with various clinicopathologic variables, including survival...
March 14, 2018: Pathology International
Wouter J Heerink, A Millad Solouki, Rozemarijn Vliegenthart, Simeon J S Ruiter, Egbert Sieders, Matthijs Oudkerk, Koert P de Jong
OBJECTIVES: To study the ratio of ablation zone volume to applied energy in computed tomography (CT)-guided radiofrequency ablation (RFA) and microwave ablation (MWA) in patients with hepatocellular carcinoma (HCC) in a cirrhotic liver and in patients with colorectal liver metastasis (CRLM). METHODS: In total, 90 liver tumors, 45 HCCs in a cirrhotic liver and 45 CRLMs were treated with RFA or with one of two MWA devices (MWA_A and MWA_B), resulting in 15 procedures for each tumor type, per device...
March 13, 2018: European Radiology
Aristithes G Doumouras, Sama Anvari, Margherita Cadeddu, Mehran Anvari, Dennis Hong
BACKGROUND: Screening colonoscopy for the detection of colorectal carcinoma is provided by several specialties. Few studies have assessed geographic variation in the delivery of this care. Our objective was to investigate how geographic and socioeconomic factors affect who provides screening colonoscopy in Canada. METHODS: This was a population-based cohort of all screening colonoscopy procedures performed at publicly funded Canadian health care facilities (excluding those in Quebec) between April 2008 and March 2015...
March 13, 2018: CMAJ Open
John Repass, Elizabeth Iorns, Alexandria Denis, Stephen R Williams, Nicole Perfito, Timothy M Errington
As part of the <ext-link ext-link-type="uri" xlink:href="">Reproducibility Project: Cancer Biology</ext-link>, we published a Registered Report (Repass et al., 2016), that described how we intended to replicate an experiment from the paper ' Fusobacterium nucleatum infection is prevalent in human colorectal carcinoma' (Castellarin et al., 2012). Here we report the results. When measuring Fusobacterium nucleatum DNA by qPCR in colorectal carcinoma (CRC), adjacent normal tissue, and separate matched control tissue, we did not detect a signal for F...
March 13, 2018: ELife
S Dueland, A Foss, J M Solheim, M Hagness, P-D Line
BACKGROUND: Liver transplantation is considered the standard of care for patients with hepatocellular carcinoma (HCC) within the Milan criteria. Liver transplantation in patients with unresectable colorectal cancer with liver-only disease has been shown to be associated with a 5-year overall survival rate of 56 per cent, compared with 9 per cent in patients receiving standard palliative chemotherapy. The aim of the present study was to compare disease-free (DFS) and overall (OS) survival after liver transplantation in patients with HCC and those with colorectal metastases...
March 13, 2018: British Journal of Surgery
Fu-Shu Jin, Hong-Mei Wang, Xiao-Yan Song
Long non-coding RNA (lnc)TCF7 has been reported to promote the self‑renewal of human cancer stem cells, and enhance the aggressiveness of human non‑small cell lung cancer and hepatocellular carcinoma cells. However, the effect of lncTCF7 on colorectal cancer (CRC) tumorigenesis and progression is currently unclear. In the present study, reverse transcription‑quantitative polymerase chain reaction results demonstrated that lncTCF7 expression was higher in CRC tissues compared with adjacent normal tissues and was significantly associated with tumor size, differentiation degree, tumor‑node‑metastasis grade, lymph node metastasis and invasion depth...
March 9, 2018: Molecular Medicine Reports
Marc Peeters, Frédéric Forget, Meinolf Karthaus, Manuel Valladares-Ayerbes, Alberto Zaniboni, Gaston Demonty, Xuesong Guan, Fernando Rivera
Background: The aim of this study was to evaluate the optimal sequence of targeted therapies (epidermal growth factor receptor inhibitors (EGFRi) and vascular endothelial growth factor inhibitors (VEGFi)), combined with chemotherapy, in patients with RAS wild-type (WT) metastatic colorectal carcinoma (mCRC). Exploratory analyses of overall survival (OS) for patients treated with either first-line panitumumab (EGFRi) and second-line VEGFi therapy, or first-line bevacizumab (VEGFi) and second-line EGFRi, were conducted...
2018: ESMO Open
Floor Wt Vergouwe, Madeleine Gottrand, Bas Pl Wijnhoven, Hanneke IJsselstijn, Guillaume Piessen, Marco J Bruno, René Mh Wijnen, Manon Cw Spaander
Esophageal atresia (EA) is one of the most common congenital digestive malformations and requires surgical correction early in life. Dedicated centers have reported survival rates up to 95%. The most frequent comorbidities after EA repair are dysphagia (72%) and gastroesophageal reflux (GER) (67%). Chronic GER after EA repair might lead to mucosal damage, esophageal stricturing, Barrett's esophagus and eventually esophageal adenocarcinoma. Several long-term follow-up studies found an increased risk of Barrett's esophagus and esophageal carcinoma in EA patients, both at a relatively young age...
March 7, 2018: World Journal of Gastroenterology: WJG
Anjing Zhong, Yiping Tian, Honghe Zhang, Maode Lai
METHODS: A total of 71 cases of colorectal carcinoma with hepatic metastasis were enrolled from the Department of Pathology of SIR RUN RUN SHAW Hospital. Paired primary tumors, hepatic metastases, and normal mucosa samples were collected from formalin-fixed paraffin-embedded tissues by manual macrodissection. And global levels of DNA methylation and hydroxymethylation in these tissues, measured by an ELISA-like microplate-based colorimetric methods. The immunohistochemical expression of 5-methylcytosine and 5-hydroxymethylcytosine were analyzed also...
March 12, 2018: Journal of Surgical Oncology
Tong Wang, Fumou Sun, Yang Wang, Jiahao Jiang, Mingzhu Pan, Minne Yuan, Hang Zhang, Xiaodian Du, Kamal Hezam, Kai Song, Min Wang, Juan Zhang
Colorectal carcinoma (CRC) is one of the most common malignant cancers worldwide. The poor response of CRC to chemotherapy has whipped up the interest in targeted therapy with monoclonal antibodies for its potential efficiency. However, cetuximab, as one of the first-line targeted drugs in the treatment of CRC, has drug resistance and poor prognosis in clinic. To address this, a novel bispecific protein with CRC targeting and natural killer (NK) cell triggering was used for treatment. NK cell-mediated immunosurveillance is normally activated by the activating receptor natural killer cell receptor NK group 2, member D (NKG2D), which binds its key ligand major histocompatibility complex (MHC) class I-related chain A (MICA) expressed on the tumor cells...
April 2018: Journal of Immunotherapy
Naoki Asayama, Shinji Nagata, Kenjiro Shigita, Taiki Aoyama, Akira Fukumoto, Shinichi Mukai
Benign colonic anastomotic stenosis sometimes occurs after surgical resection and usually requires surgical or endoscopic dilation. Limited data are available on the effectiveness and safety of the endoscopic radial incision and cutting (RIC) method at sites other than the esophagus. The aim of this retrospective study was to investigate the effectiveness and safety of RIC dilation for severe benign anastomotic colonic stenosis. Subjects were 3 men (median age 72 years, range 65 - 76 years) who developed severe benign anastomotic stenosis after surgical resection for colorectal carcinoma and were subsequently treated by RIC dilation at Hiroshima City Asa Citizens Hospital between May 2014 and December 2016...
March 2018: Endoscopy International Open
Qijun Cheng, Bin Zhao, Zhenxiang Huang, Yanhua Su, Biqin Chen, Songjing Yang, Xueqi Peng, Qilin Ma, Xiaoshan Yu, Benhua Zhao, Xiayi Ke
BACKGROUND & AIM: Hepatitis B virus (HBV) can be transmitted to infants, and is related to infants' later disease risk. Epigenetic change (such as DNA methylation) may be mechanism underlying the relationship. In this study, we aimed to investigate whether prenatal HBV infection could alter DNA methylation status in newborns. METHOD: We selected 12 neonates with intrauterine HBV infection whose mothers were HBsAg-positive during pregnancy, relative to 12 HBV-free neonates with HBsAg-negative mothers...
March 8, 2018: Gene
Yohei Kojima, Kouki Ohtsuka, Hiroaki Ohnishi, Nobutsugu Abe, Junji Furuse, Takashi Watanabe, Masanori Sugiyama
PURPOSE: Duodenal adenoma and adenocarcinoma (AC) are rare tumors, and few studies have examined their genetic features. We aimed to determine the key genetic changes in duodenal adenoma and AC, and to clarify the possible involvement of the adenoma-carcinoma sequence in duodenal tumor carcinogenesis. METHODS: Nineteen duodenal tumors collected by endoscopic mucosal resection or surgical resection were classified as AC, adenoma with high-grade dysplasia (HGD), or adenoma with low-grade dysplasia (LGD) per the World Health Organization tumor classification...
March 10, 2018: Surgery Today
Rita Vale Rodrigues, Isabel Claro, Pedro Lage, Isadora Rosa, Sara Ferreira, João Pereira da Silva, António Dias Pereira
PURPOSE: Lynch syndrome (LS) is associated with a high risk of colorectal cancer (CRC). The aim of this study was to assess the cumulative risk for the development of colorectal adenomas or carcinomas in a LS CRC surveillance program and to audit the quality of the endoscopic procedures. METHODS: We evaluated 147 asymptomatic LS mutation carriers, without previous CRC, in a surveillance program with colonoscopy every 12-18 months, between 2005 and 2016. Data was obtained by retrospective review of colonoscopy reports and hospital clinical files...
March 9, 2018: International Journal of Colorectal Disease
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