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https://www.readbyqxmd.com/read/28636562/exosome-encapsulated-micrornas-as-circulating-biomarkers-for-colorectal-cancer
#1
Shushan Yan, Bing Han, Shunyuan Gao, Xiaochen Wang, Zengfang Wang, Fakai Wang, Jianjun Zhang, Donghua Xu, Beicheng Sun
Currently available studies have suggested that a number of exosome-encapsulated microRNAs (miRNAs) are recognized as stable biomarkers for cancers. However, little is known about the effect of exosomal miRNAs on colorectal cancer (CRC). The aim of study is to identify specific miRNAs in serum exosomes, which may serve as potential diagnostic and prognostic biomarkers and therapeutic targets for CRC. Microarray analyses of miRNAs in serum exosomes from 3 primary CRC patients and 3 healthy controls were performed...
June 16, 2017: Oncotarget
https://www.readbyqxmd.com/read/28634843/primary-recurrence-in-the-lung-is-related-to-favorable-prognosis-in-patients-with-pancreatic-cancer-and-postoperative-recurrence
#2
Biao Zheng, Kenoki Ohuchida, Zilong Yan, Takashi Okumura, Takao Ohtsuka, Masafumi Nakamura
BACKGROUND: The pattern of recurrence affects the clinical outcome in tumor patients. However, the clinical significance of lung metastasis as the primary recurrence site after resection in patients with pancreatic cancer remains unclear. This study aimed to clarify the clinical significance of the primary recurrence site in patients with pancreatic cancer, in terms of prognosis and clinicopathological features. METHODS: This retrospective cohort study included 220 patients with postoperative recurrence after pancreatectomy for pancreatic cancer and classified by primary site of recurrence...
June 20, 2017: World Journal of Surgery
https://www.readbyqxmd.com/read/28633725/well-differentiated-neuroendocrine-tumor-a-low-b-grade-tumor-s-aggressive-course-and-dismal-outcome-a-case-report
#3
Dinesh Atwal, Krishna Prasad Joshi, Susanne Jeffus, James Ntambi, Fade Mahmoud
INTRODUCTION: Incidence of well-differentiated neuroendocrine tumors (NETs) of the colon and rectum is increasing and is now approximately 1 per 100,000 in the US. NETs are either well-differentiated (indolent) or poorly differentiated (aggressive). The majority of these tumors are found incidentally during screening colonoscopies and rarely are associated with symptoms of hormonal syndrome, even during the advanced stage. Metastatic well-differentiated NETs of the colon and rectum are incurable, hard to treat, and associated with a poor prognosis and survival rates similar to colorectal adenocarcinoma survival...
2017: Permanente Journal
https://www.readbyqxmd.com/read/28633596/laparotomy-site-implantation-metastasis-of-carcinoma-of-the-papilla-of-vater
#4
Milan Radojkovic, Jasmina Gligorijevic, Miroslav Stojanovic, Goran Stanojevic, Ivan Ilic
Introduction Carcinomas of the papilla of Vater make up a heterogeneous group of tumours arising from different types of epithelium. Regional lymph nodes, liver and lungs are the primary sites of metastatic progression of these tumours. Case presentation We present a patient with an abdominal incision site metastasis of low-grade (mixed type) adenocarcinoma of the papilla of Vater one year after pylorus-preserving pancreaticoduodenectomy. Implantation metastasis of low-grade ampullary carcinoma in the laparotomy wound after open Whipple's procedure is unusual...
January 1, 2017: Scottish Medical Journal
https://www.readbyqxmd.com/read/28632786/diagnostic-accuracy-of-magnetic-resonance-computed-tomography-and-contrast-enhanced-ultrasound-in-radiological-multimodality-assessment-of-peribiliary-liver-metastases
#5
Vincenza Granata, Roberta Fusco, Orlando Catalano, Antonio Avallone, Raffaele Palaia, Gerardo Botti, Fabiana Tatangelo, Francesco Granata, Marco Cascella, Francesco Izzo, Antonella Petrillo
PURPOSE: We compared diagnostic performance of Magnetic Resonance (MR), Computed Tomography (CT) and Ultrasound (US) with (CEUS) and without contrast medium to identify peribiliary metastasis. METHODS: We identified 35 subjects with histological proven peribiliary metastases who underwent CEUS, CT and MR study. Four radiologists evaluated the presence of peribiliary lesions, using a 4-point confidence scale. Echogenicity, density and T1-Weigthed (T1-W), T2-W and Diffusion Weighted Imaging (DWI) signal intensity as well as the enhancement pattern during contrast studies on CEUS, CT and MR so as hepatobiliary-phase on MRI was assessed...
2017: PloS One
https://www.readbyqxmd.com/read/28629469/a-putative-molecular-network-associated-with-colon-cancer-metastasis-constructed-from-microarray-data
#6
Songtao Chu, Haipeng Wang, Miao Yu
BACKGROUND: This study aimed to identify the potential molecular network associated with colon cancer metastasis. METHODS: A gene expression profile dataset (GSE40367) downloaded from Gene Expression Omnibus was used to identify and compare differentially expressed genes (DEGs) between primary colon adenocarcinoma tissues and matched tissue samples of liver metastases of colon adenocarcinoma. After the functional analysis of the DEGs, their protein-protein interactions (PPIs) were analyzed, and the transcription factors (TFs) and microRNAs (miRNAs) that regulated these DEGs were predicted...
June 19, 2017: World Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28629006/a-colon-targeted-drug-delivery-system-based-on-alginate-modificated-graphene-oxide-for-colorectal-liver-metastasis
#7
Bin Zhang, Yayuan Yan, Qiujuan Shen, Dong Ma, Langhuan Huang, Xiang Cai, Shaozao Tan
A major problem associated with colon cancer is liver metastasis. A colon-targeted drug delivery system is one way to address this problem after the resection of colorectal cancer. However, traditional drug delivery systems face many challenges, such as an inability to control the release rate, inaccurate targeting, susceptibility to the microenvironment and poor stability. Here, we report the development of a graphene oxide (GO)-based, sodium alginate (ALG) functionalized colon-targeting drug delivery system, that is loaded with 5-fluorouracil (5-FU) as the anti-cancer drug (denoted as GO-ALG/5-FU)...
October 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/28628795/knockout-of-the-nogo-b-gene-attenuates-tumor-growth-and-metastasis-in-hepatocellular-carcinoma
#8
Bo Zhu, Shaobo Chen, Xiaoding Hu, Xiaofeng Jin, Yichen Le, Lihuan Cao, Zhonghua Yuan, Zhen Lin, Songmin Jiang, Lichun Sun, Long Yu
Human hepatocellular carcinoma (HCC) is a malignant cancer. It is a challenge to develop anti-HCC drugs due to HCC's extreme aggressiveness and with the sensitivity of the liver to show severe adverse effects. More importantly, the precise mechanisms causing HCC pathogenicity are not known. Our previous study disclosed Nogo-B as a reticulon 4 (Rtn4) family member. In the present study, we first identified that Nogo-B played a critical role in HCC progression. We found, via in vitro and in vivo assays, that Nogo-B was expressed aberrantly in primary HCC tumor tissues and immortal HCC cells but was relatively scarce in the normal liver tissues or cells...
June 16, 2017: Neoplasia: An International Journal for Oncology Research
https://www.readbyqxmd.com/read/28628609/a-multidimensional-integration-analysis-reveals-potential-bridging-targets-in-the-process-of-colorectal-cancer-liver-metastasis
#9
Bo Gao, Tian Yu, Dongbo Xue, Boshi Sun, Qin Shao, Hani Choudhry, Victoria Marcus, Jiannis Ragoussis, Yuguo Zhang, Weihui Zhang, Zu-Hua Gao
Approximately 9% of cancer-related deaths are caused by colorectal cancer. Liver metastasis is a major factor for the high colorectal cancer mortality rate. However, the molecular mechanism underlying colorectal cancer liver metastasis remains unclear. Using a global and multidimensional integration approach, we studied sequencing data, protein-protein interactions, and regulation of transcription factor and non-coding RNAs in primary tumor samples and liver metastasis samples to unveil the potential bridging molecules and the regulators that functionally link different stages of colorectal cancer liver metastasis...
2017: PloS One
https://www.readbyqxmd.com/read/28628542/a-rare-intramedullary-spinal-cord-metastasis-from-a-retroperitoneal-leiomyosarcoma-presenting-as-a-non-traumatic-spinal-cord-injury
#10
Andrew Lamberth Parker, Terrence Pugh, Mark A Hirsch
Leiomyosarcoma (LMS) is a rare but well-recognized malignant soft tissue sarcoma of smooth muscle origin. Metastases commonly occur in the lungs, liver, kidney, brain, and bone. Cases of metastatic osseous lesions or other extradural space-occupying masses secondary to LMS leading to neurologic compromise are relatively commonplace in the literature. Conversely, cases of intramedullary spinal cord metastasis (ISCM), an unusual entity as a sequela of any cancer, are exceedingly rare as a consequence of LMS. Only 2 cases of an ISCM from LMS are currently documented in the literature, and to the best of our knowledge, no case is described in the rehabilitation literature...
July 2017: American Journal of Physical Medicine & Rehabilitation
https://www.readbyqxmd.com/read/28628012/curative-treatment-of-colorectal-cancer-solitary-metastasis-to-liver-subcapsule-by-percutaneous-us-guided-radiofrequency-ablation-using-hydrodissection-case-report
#11
N Paksashvili, T Ninikashvili, T Azrumelashvili, M Mizandari
Case report presents the successful treatment of solitary liver metastasis in a patient with resected colon cancer. A 39-year-old male underwent left hemicolectomy with colostomy formation followed by chemotherapy for a moderately differentiated adenocarcinoma of the colon. Two years later, a liver metastatic lesion was detected. Patient received chemotherapy; the mass remained stable in size, measuring up to 3 cm in diameter. Low-invasive percutaneous curative treatment by Radiofrequency ablation was conducted using hydrodissection by dielectric fluid intraperitoneal introduction for hydrodissection...
May 2017: Georgian Medical News
https://www.readbyqxmd.com/read/28627639/microrna-187-inhibits-tumor-growth-and-metastasis-via-targeting-of-igf-1r-in-hepatocellular-carcinoma
#12
Xinqiang Han, Xuemin Wang, Baolei Zhao, Gang Chen, Yuguo Sheng, Wenming Wang, Mujian Teng
Hepatocellular carcinoma (HCC) is the primary and most frequently occurring type of malignant liver cancer, accounting for 70-85% of total liver cancer cases worldwide. It has previously been demonstrated that the aberrant expression of microRNAs (miR) contributes to carcinogenesis and progression of various human malignancies, including HCC. However, mechanisms underlying the differential expression and specific roles of miR‑187 in HCC remain to be elucidated, particularly regarding how the modulation of malignant phenotypes in HCC cells occurs...
June 15, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28626929/successful-liver-transplantation-for-non-resectable-desmoplastic-nested-spindle-cell-tumor-complicated-by-cushing-s-syndrome
#13
Sarah Tehseen, Louis Rapkin, Erwin Schemankewitz, Joseph F Magliocca, Rene Romero
Desmoplastic spindle cell tumors of liver are rare tumors of low malignant potential characterized by well-demarcated nests of spindle and epithelioid cells in a dense desmoplastic stroma. While surgery remains the definitive treatment, there have been reports of tumor recurrence locally and metastasis which respond poorly to chemotherapy. Hepatic transplant has been attempted in cases of recurrence or large size of primary tumor. Long-term follow-up and imaging surveillance are required as these tumors have shown a tendency for recurrence many years after initial therapy...
June 18, 2017: Pediatric Transplantation
https://www.readbyqxmd.com/read/28626399/sigmoid-adenocarcinoma-with-regional-scrotal-metastasis
#14
Brenen P Swofford, Tomislav Dragovich
Colorectal cancer is a common disease, representing the third and second most common cause of cancer death in the United States in women and men, respectively. [Ahnen et al.: Mayo Clin Proc 2014;89: 216-224; Siegel et al.: CA Cancer J Clin 2016;66: 7]. It is estimated that 20% of patients have distant metastatic disease at time of diagnosis [Ahnen et al.: Mayo Clin Proc 2014;89: 216-224; Siegel et al.: CA Cancer J Clin 2016;66: 7]. The most common metastatic sites include regional lymph nodes, liver, lungs, and peritoneum via lymphatic/hematogenous dissemination as well as contiguous and transperitoneal routes [Ahnen et al...
May 2017: Case Reports in Oncology
https://www.readbyqxmd.com/read/28626177/recurrence-30-years-after-surgical-resection-of-a-localized-rectal-neuroendocrine-tumor
#15
Yasuyuki Shigematsu, Hiroaki Kanda, Tsuyoshi Konishi, Yutaka Takazawa, Yosuke Inoue, Tetsuichiro Muto, Yuichi Ishikawa, Shunji Takahashi
Localized small rectal neuroendocrine tumors (NETs) without any vascular involvement rarely metastasize, and their resection alone is considered curative. We herein report a case of localized rectal NET (10×8 mm) without vascular involvement. Although resected initially, it recurred as liver metastasis 30 years later. For rectal NETs smaller than 10 to 20 mm, surveillance for 12 months is considered sufficient. However, this case suggests that such tumors can recur even 30 years after curative resection. The interval of recurrence is the longest among reported cases...
2017: Internal Medicine
https://www.readbyqxmd.com/read/28625333/liver-metastases-from-gastric-carcinoma-a-case-report-and-review-of-the-literature
#16
Beata Polkowska-Pruszyńska, Karol Rawicz-Pruszyński, Bogumiła Ciseł, Robert Sitarz, Grażyna Polkowska, Witold Krupski, Wojciech P Polkowski
Gastric carcinoma (GC) is the fifth most common malignancy worldwide but the third leading cause of cancer death, and surgery remains the only curative treatment option. Prognosis of patients with liver metastases from gastric carcinoma (LMGC) is poor, and the optimal treatment of metastatic gastric cancer remains a matter of debate. In 2002, a 53-year-old male patient with GC and synchronous oligometastatic lesion in liver VIII segment underwent a total gastrectomy combined with metastasectomy. The pathologic diagnosis was stage IV gastric adenocarcinoma (pT3N2M1), which was treated with adjuvant chemotherapy (cisplatin, epirubicin, leucovorin, and 5-fluorouracil)...
May 2017: Current Problems in Cancer
https://www.readbyqxmd.com/read/28624178/liver-transplantation-in-patients-with-liver-metastases-from-neuroendocrine-tumors-a%C3%A2-systematic-review
#17
Dimitrios Moris, Diamantis I Tsilimigras, Ioannis Ntanasis-Stathopoulos, Eliza W Beal, Evangelos Felekouras, Spiridon Vernadakis, John J Fung, Timothy M Pawlik
BACKGROUND: Liver transplantation to treat neuroendocrine tumors, especially in the setting of diffuse liver involvement not amenable to operative resection remains controversial. We sought to perform a systematic review of the current literature to summarize data on patients undergoing liver transplantation with neuroendocrine tumors liver metastases as the indication. METHODS: A systematic review was conducted in accordance to the Preferred Reporting Items for Systematic reviews and Meta-Analysis guidelines...
June 14, 2017: Surgery
https://www.readbyqxmd.com/read/28621263/loss-of-barx1-promotes-hepatocellular-carcinoma-metastasis-through-up-regulating-mgat5-and-mmp9-expression-and-indicates-poor-prognosis
#18
Guodong Wang, Jian Liu, Yi Cai, Jie Chen, Wenbing Xie, Xiangqian Kong, Wenjie Huang, Hao Guo, Xiaodi Zhao, Yuanyuan Lu, Lu Niu, Xiaowei Li, Haijia Zhang, Chao Lei, Zhijie Lei, Jipeng Yin, Hao Hu, Fan Yu, Yongzhan Nie, Limin Xia, Kaichun Wu
Metastasis is the major dominant reason for poor prognosis of hepatocellular carcinoma (HCC) after surgical treatment. However, the molecular mechanism of metastasis has not been well characterzied. Here, we report a novel function of Barx homeobox1 (Barx1) in inhibiting HCC invasion and metastasis. Barx1 expression is significantly decreased in human HCC tissues than in adjacent non-tumorous tissues and normal liver tissues. Low Barx1 expression is correlated with higher tumor-nodule-metastasis stage and indicates poor prognosis...
May 30, 2017: Oncotarget
https://www.readbyqxmd.com/read/28621237/role-of-cxcr4-and-sdf1-as-prognostic-factors-for-survival-and-the-association-with-clinicopathology-in-colorectal-cancer-a-systematic-meta-analysis
#19
Yao-Ping Li, Jing Pang, Sheng Gao, Peng-Yu Bai, Wen-da Wang, Pengzhou Kong, Yongping Cui
C-X-C chemokine receptor type 4 and stromal cell-derived factor-1 were proven to play important roles in several types of cancer and in many biological processes connected with tumor growth, invasion, angiogenesis, and metastasis. However, the clinical significance of C-X-C chemokine receptor type 4 and stromal cell-derived factor-1 expression in colorectal cancer remains inaccurate. The purpose of this systematic meta-analysis is to investigate the role of C-X-C chemokine receptor type 4 and stromal cell-derived factor-1 as prognostic factors for survival and the association between C-X-C chemokine receptor type 4/ stromal cell-derived factor-1 and clinicopathology in colorectal cancer...
June 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28619519/a-diagnostic-challenge-focal-fatty-liver-or-metastasis
#20
Berhan Pirimoglu, Recep Sade, Mecit Kantarci
No abstract text is available yet for this article.
June 12, 2017: Journal of Pediatrics
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