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https://www.readbyqxmd.com/read/29457843/the-tumour-stroma-ratio-in-colon-cancer-the-biological-role-and-its-prognostic-impact
#1
REVIEW
Gabi W van Pelt, Tessa P Sandberg, Hans Morreau, Hans Gelderblom, J Han J M van Krieken, Rob A E M Tollenaar, Wilma E Mesker
The tumour microenvironment consists of a complex mixture of non-neoplastic cells including fibroblasts, immune cells and endothelial cells embedded in the proteins of the extracellular matrix. The tumour microenvironment plays an active role in tumour behaviour. By interacting with cancer cells, it influences disease progression and the metastatic capacity of the tumour. Tumours with a high amount of stroma correspond to poor patient prognosis. The tumour-stroma ratio (TSR) is a strong independent prognostic tool in colon cancer and provides additional value to the current clinically used TNM classification...
February 19, 2018: Histopathology
https://www.readbyqxmd.com/read/29454618/natural-small-molecule-bigelovin-suppresses-orthotopic-colorectal-tumor-growth-and-inhibits-colorectal-cancer-metastasis-via-il6-stat3-pathway
#2
Mingyue Li, Grace Gar-Lee Yue, Li-Hua Song, Mao-Bo Huang, Julia Kin-Ming Lee, Stephen Kwok-Wing Tsui, Kwok-Pui Fung, Ning-Hua Tan, Clara Bik-San Lau
Bigelovin, a sesquiterpene lactone, has been demonstrated to induce apoptosis, inhibit inflammation and angiogenesis in vitro, but its potential anti-metastatic activity remains unclear. In the present study, two colon cancer mouse models, orthotopic tumor allografts and experimental metastatic models were utilized to investigate the progression and metastatic spread of colorectal cancer after bigelovin treatments. Results showed that bigelovin (intravenous injection; 0.3-3 mg/kg) significantly suppressed tumor growth and inhibited liver/lung metastasis with modulation of tumor microenvironment (e...
February 15, 2018: Biochemical Pharmacology
https://www.readbyqxmd.com/read/29454229/pancreatic-cancer-presenting-as-colonic-disease-a-rare-case-report
#3
Sara Tavares Nogueira, Bruno Lima Pinto, Eduardo Faria Silva, Hermano Anjos Garcia, Francisco Carneiro
INTRODUCTION: Pancreatic cancer is the fourth major cause of cancer-related deaths. About 50% of the patients are diagnosed with advanced disease. Metastatic disease to the colon is a very rare entity with only 5 cases described in english literature. CASE PRESENTATION: Male, 60 years-old, presents to a surgical consult with the diagnosis of an adenocarcinoma of the sigmoid colon. The physical exam revealed a periumbilical nodule with suspicious features. The staging CT-scan showed a mass in the tail of the pancreas involving the spleen and left kidney, thickening of the sigmoid colon, multiple mesenteric masses and trabecular changes in the ischium, suggesting metastatic disease...
February 9, 2018: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/29452859/evaluation-of-liquid-biopsies-for-detection-of-emerging-mutated-genes-in-metastatic-colorectal-cancer
#4
Hiroyasu Furuki, Takeshi Yamada, Goro Takahashi, Takuma Iwai, Michihiro Koizumi, Seiichi Shinji, Yasuyuki Yokoyama, Kohki Takeda, Nobuhiko Taniai, Eiji Uchida
BACKGROUND: Detection of gene mutations is important for planning molecular targeted therapy. Although most gene mutations are concordant between primary colon cancers and their liver metastases, new mutations can emerge in metastases. The liquid biopsy is a newly developed, gene analytic method to detect mutations in metastatic tumors. In this prospective study, we evaluated the applicability of liquid biopsies in the detection of mutations in primary and metastatic tumors. METHODS: We included 22 patients with liver metastases from colorectal cancer and extracted DNA from primary colorectal tumors, metastatic liver tumors, and peripheral blood (liquid biopsy)...
February 2, 2018: European Journal of Surgical Oncology
https://www.readbyqxmd.com/read/29452605/extraordinary-disease-free-survival-in-a-rare-malignant-extrarenal-rhabdoid-tumor-a-case-report-and-review-of-the-literature
#5
Francesco D'Amico, Alessandra Bertacco, Maurizio Cesari, Claudia Mescoli, Giorgio Caturegli, Gabriel Gondolesi, Umberto Cillo
BACKGROUND: Malignant extrarenal rhabdoid tumor of the gastrointestinal tract is rarely reported in the literature. It is characterized by poor prognosis and aggressive metastatic features. A literature review evidenced only 19 cases, with poor outcome. CASE PRESENTATION: We report a case of a colonic "pure" malignant extrarenal rhabdoid tumor with metastatic nodes in a 65-year-old Caucasian man. He was treated surgically with no recurrence, no adjuvant chemotherapy, and with 4-year survival without disease at the time of the submission of this article...
February 17, 2018: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/29445027/a-curative-intent-trimodality-approach-for-isolated-abdominal-nodal-metastases-in-metastatic-colorectal-cancer-update-of-a-single-institutional-experience
#6
Benny Johnson, Zhaohui Jin, Michael G Haddock, Christopher L Hallemeier, James A Martenson, Rory L Smoot, David W Larson, Eric J Dozois, David M Nagorney, Axel Grothey
BACKGROUND: The purpose of this study was to define survival rates in patients with isolated advanced abdominal nodal metastases secondary to colorectal cancer (CRC), treated with curative-intent trimodality therapy. MATERIALS AND METHODS: Sixty-five patients received trimodality therapy, defined as chemotherapy delivered with external beam radiotherapy (EBRT) followed by lymphadenectomy and intraoperative radiotherapy (IORT). Infusional 5-fluorouracil was the most common radiosensitizer used (63%, 41 patients)...
February 14, 2018: Oncologist
https://www.readbyqxmd.com/read/29441754/extraspinal-percutaneous-osteoplasty-for-the-treatment-of-painful-bony-metastasis
#7
Jae Heon Lee, Su Young Kim, Hwoe Gyeong Ok, Tae Kyun Kim, Kyung Hoon Kim
BACKGROUND: Extraspinal percutaneous osteoplasties (POPs) are novel techniques for the treatment of painful bony metastasis, which is often the cause of both persistent and incidental breakthrough pain. This retrospective study explored the efficacy and complications of extraspinal POPs. METHODS: The origin of the cancer metastasis, performed POP sites, necessity of adjacent joint injections, pain and Karnofsky Performance Scale (KPS) scores, complications related to the POPs, and life expectancy were evaluated from the medical records from 2009 to 2016...
February 19, 2018: Journal of Korean Medical Science
https://www.readbyqxmd.com/read/29438522/ras-mutation-analysis-in-circulating-tumor-dna-from-patients-with-metastatic-colorectal-cancer-the-ageo-rasanc-prospective-multicenter-study
#8
J B Bachet, O Bouché, J Taieb, O Dubreuil, M L Garcia, A Meurisse, C Normand, J M Gornet, P Artru, S Louafi, F Bonnetain, A Thirot-Bidault, I Baumgaertner, R Coriat, D Tougeron, T Lecomte, F Mary, T Aparicio, L Marthey, V Taly, H Blons, D Vernerey, P Laurent-Puig
Background: RAS mutations are currently sought for in tumor samples, which takes a median of almost 3 weeks in western European countries. This creates problems in clinical situations that require urgent treatment and for inclusion in therapeutic trials that need RAS status for randomization. Analysis of circulating tumor DNA might help to shorten the time required to determine RAS mutational status prior to anti-EGFR antibody therapy for metastatic colorectal cancer. Here we compared plasma versus tissue RAS analysis in a large prospective multicenter cohort...
February 9, 2018: Annals of Oncology: Official Journal of the European Society for Medical Oncology
https://www.readbyqxmd.com/read/29438173/fallopian-tube-mucosal-involvement-in-cervical-gastric-type-adenocarcinomas-report-of-a-series-with-discussion-of-the-distinction-from-synchronous-in-situ-tubal-lesions
#9
Simon Rajendran, Yaser Hussein, Kay J Park, W Glenn McCluggage
Cervical gastric-type adenocarcinomas are aggressive non-human papillomavirus-related carcinomas with a propensity for extracervical spread, including unusual sites such as the omentum, peritoneum, and ovary. We report 7 cases of cervical gastric-type adenocarcinoma with fallopian tube involvement predominantly in the form of mucosal colonization without underlying invasion. As far as we are aware, this has not been previously described and this report adds to the literature regarding metastatic neoplasms, which may exhibit tubal mucosal involvement and mimic an in situ lesion at this site...
February 12, 2018: American Journal of Surgical Pathology
https://www.readbyqxmd.com/read/29435077/clinical-value-of-the-preoperative-neutrophil-to-lymphocyte-ratio-and-red-blood-cell-distribution-width-in-patients-with-colorectal-carcinoma
#10
Fuyan Han, Xuming Shang, Furong Wan, Zhanfeng Liu, Wenjun Tian, Dan Wang, Yiqing Liu, Yong Wang, Bingchang Zhang, Ying Ju
The aim of the present study was to investigate the clinical value of the preoperative neutrophil-to-lymphocyte ratio (NLR) and red blood cell distribution width (RDW) in the peripheral blood of colorectal carcinoma (CRC) patients. Clinical data obtained from 240 patients with CRC undergoing radical surgical resection in Shandong Provincial Hospital Affiliated to Shandong University (Jinan, Shandong, China) between January 2011 and April 2015 were retrospectively analyzed. Data were also collected from 110 patients with colon polyps and 48 healthy volunteers to serve as controls for comparative analysis...
March 2018: Oncology Letters
https://www.readbyqxmd.com/read/29435051/mutations-in-kras-codon-12-predict-poor-survival-in-chinese-patients-with-metastatic-colorectal-cancer
#11
Bingjun Bai, Lina Shan, Binbin Xie, Xuefeng Huang, Weifang Mao, Xiaowei Wang, Da Wang, Hongbo Zhu
KRAS mutations serve a function in tumorigenesis of colorectal cancer (CRC) and guide the use of targeted drugs. However, the prognostic value of KRAS mutations and their subtypes remain controversial. The present study aimed to investigate the correlations between KRAS mutations and clinicopathological characteristics, and their prognostic significance in Chinese patients with metastatic CRC (mCRC). A total of 135 patients with mCRC were analyzed for KRAS mutations. Mutations in codon 12 and 13 were identified in 45 (33...
March 2018: Oncology Letters
https://www.readbyqxmd.com/read/29432737/activated-stat-3-may-participate-in-tumor-progression-through-increasing-cd133-survivin-expression-in-early-stage-of-colon-cancer
#12
Wanlu Li, Mi-Ra Lee, Taeyeong Kim, Young Wan Kim, Mee-Yon Cho
The activation of signal transducer and activator of transcription 3 (STAT3) by elevated interleukin (IL) levels has been reported to regulate tumorigenesis both in vitro and in vivo. However, the clinical implication of p-STAT3 expression in colon cancer is still controversial. In this study, we evaluated the effect of STAT3 inactivation on biologic behavior of primary (Caco-2) and metastatic colon cancer cells (LoVo and SNU407) and the relation of p-STAT3 expression with the invasion of colon tumor. In vitro study, the STAT3 inhibition by siRNA and stattic treatment significantly reduced colony formation and cell migration and decreased CD133 and survivin the expression compared with a control in all three cell lines...
February 9, 2018: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29430222/long-term-colon-stent-patency-for-obstructing-colorectal-cancer-combined-with-bevacizumab
#13
Anouk E J Latenstein, Mathijs P Hendriks, Emo E van Halsema, Jeanin E van Hooft, Anne-Marie van Berkel
Self-expanding metal stents can be considered as initial treatment for malignant large bowel obstruction in the palliative setting. It is suggested that systemic anti-angiogenic therapy increases the risk of stent perforation. We report a 65-year-old woman with a metastatic, obstructing colon tumor who has been successfully treated with stent placement and chemoimmunotherapy consisting of capecitabine and bevacizumab for 8 years.
September 2017: Case Reports in Gastroenterology
https://www.readbyqxmd.com/read/29427286/first-experience-of-inserting-a-metallic-mesh-stent-uventa-stent-in-malignant-ureteral-obstruction-in-iran
#14
Mohammad Ali Ghaed, Maziar Daniali, Mohammad Ebrahimian
Malignant ureteral obstruction is usually caused by an extrinsic compression including intra-abdominal cancers. One of the treatment modalities decompressing the obstruction is applying stent to open the ureter. Metallic Stent is an effective instrument which we used for the first time in Iran in our patient who had a metastatic colon cancerwith a single kidney and we used a Novel, Double-Layered, Coated, Self-expandable Metallic Mesh Stent (Uventa Stent) to keep the ureter open. After six months of follow up with ureteroscopy, there was no obstruction any more...
February 10, 2018: Urology Journal
https://www.readbyqxmd.com/read/29427227/neoadjuvant-radiation-therapy-in-locally-advanced-colon-cancer-a-cohort-analysis
#15
Devi Mukkai Krishnamurty, Alexander T Hawkins, Katerina O Wells, Matthew G Mutch, Mathew L Silviera, Sean C Glasgow, Steven R Hunt, Sekhar Dharmarajan
BACKGROUND: A paucity of data exists in the use of neoadjuvant chemoradiation therapy (NRT) for T4, non-metastatic colon cancer. This study was conducted to determine the effect of NRT on outcomes after resection for T4 colon cancer. METHODS: All patients with non-metastatic resected clinical T4 colon cancer from 2000 to 2012 at a tertiary care center were included. The cohort was divided into two groups-those that received NRT and those that did not (non-NRT). The primary outcomes were margin-negative resection and overall survival (OS)...
February 9, 2018: Journal of Gastrointestinal Surgery: Official Journal of the Society for Surgery of the Alimentary Tract
https://www.readbyqxmd.com/read/29426928/lamb3-mediates-metastatic-tumor-behavior-in-papillary-thyroid-cancer-by-regulating-c-met-akt-signals
#16
Seung-Nam Jung, Hyun Sil Lim, Lihua Liu, Jae Won Chang, Young Chang Lim, Ki Sang Rha, Bon Seok Koo
Laminin subunit beta-3 (LAMB3) encodes one of the three subunits of LM-332, a protein of the extracellular matrix secreted by cultured human keratinocytes. While LAMB3 is involved in the invasive and metastatic abilities of several tumor types, including those found in the colon, pancreas, lung, cervix, stomach, and prostate, its mechanism of action in thyroid cancer has not been investigated previously. Our results show that LAMB3 is up-regulated in papillary thyroid cancer, and that its suppression reduces cell migration/invasion via down-regulation of epithelial‒mesenchymal transition-associated proteins (N-cadherin, vimentin, slug) and inhibition of matrix metalloproteinase 9...
February 9, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29426364/rhbdd1-promotes-colorectal-cancer-metastasis-through-the-wnt-signaling-pathway-and-its-downstream-target-zeb1
#17
Mengmeng Zhang, Fei Miao, Rong Huang, Wenjie Liu, Yuechao Zhao, Tao Jiao, Yalan Lu, Fan Wu, Xiaojuan Wang, Han Wang, Hong Zhao, Hongge Ju, Shiying Miao, Linfang Wang, Wei Song
BACKGROUND: 40-50% of colorectal cancer (CRC) patients develop metastatic disease; the presence of metastasis hinders the effective treatment of cancer through surgery, chemotherapy and radiotherapy, which makes 5-year survival rate extremely low; therefore, studying CRC metastasis is crucial for disease therapy. In the present study, we investigated the role of rhomboid domain containing 1 (RHBDD1) in tumor metastasis of CRC. METHODS: The expression of RHBDD1 was analyzed in 539 colorectal tumor tissues for its correlation with lymphatic metastasis and distal metastasis...
February 9, 2018: Journal of Experimental & Clinical Cancer Research: CR
https://www.readbyqxmd.com/read/29426058/the-metabolism-of-flubendazole-in-human-liver-and-cancer-cell-lines
#18
Lucie Raisová Stuchlíková, Věra Králová, Kateřina Lněničková, Tomáš Zárybnický, Petra Matoušková, Veronika Hanušová, Martin Ambrož, Zdeněk Šubrt, Lenka Skálová
Flubendazole (FLU), a benzimidazole anthelmintic drug widely used in veterinary medicine, has been approved for the treatment of gut-residing nematodes in humans. In addition, FLU is now considered a promising anticancer agent. Despite this, information about biotransformation of this compound in human is lacking. Moreover, there is no information regarding whether cancer cells are able to metabolize FLU in order to deactivate it. For these reasons, the present study was designed to identify all metabolites of Phase I and Phase II of FLU in human liver and in various cancer cells using UHPLC/MS/MS analysis...
February 9, 2018: Drug Testing and Analysis
https://www.readbyqxmd.com/read/29423143/metachronous-metastatic-colonic-small-cell-carcinoma-and-recurrent-adenocarcinoma-in-a-patient-with-ulcerative-colitis
#19
Alexandra W Elias, Dorin T Colibaseanu, Kristopher P Croome
Colonic small cell carcinomas (SCCs) are rare, aggressive tumors characterized by early metastasis and poor prognosis. We describe a 39-year-old man with a history of ulcerative colitis and left colon adenocarcinoma resected at an outside institution who presented with hematochezia and proctalgia. Work-up revealed left colon SCC with liver metastases. After his excellent response to neoadjuvant chemotherapy, we performed synchronous proctocolectomy and right hepatectomy. Final pathologic evaluation revealed colonic primary SCC and recurrent adenocarcinoma with metastatic SCC to the liver; lymph nodes were positive for metastatic SCC and adenocarcinoma...
October 2017: Journal of Surgical Case Reports
https://www.readbyqxmd.com/read/29421551/suppress-orthotopic-colon-cancer-and-its-metastasis-through-exact-targeting-and-highly-selective-drug-release-by-a-smart-nanomicelle
#20
Chunqi Zhu, Hanbo Zhang, Wei Li, Lihua Luo, Xiaomeng Guo, Zuhua Wang, Fenfen Kong, Qingpo Li, Jie Yang, Yongzhong Du, Jian You
The treatment of metastatic cancer is a huge challenge at the moment. Highly precise targeting delivery and drug release in tumor have always been our pursuit in cancer therapy, especially to advance cancer with metastasis, for increasing the efficacy and biosafety. We established a smart nanosized micelle, formed by tocopherol succinate (TOS) conjugated hyaluronic acid (HA) using a disulfide bond linker. The micelle (HA-SS-TOS, HSST) can highly specifically bind with CD44 receptor over-expressed tumor, and response selectively to high GSH level in the cells, inducing disulfide bond breakage and the release of the payload (paclitaxel, PTX)...
February 1, 2018: Biomaterials
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