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Colorectal liver metastasis

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https://www.readbyqxmd.com/read/29152120/hierarchical-clustering-analysis-identifies-metastatic-colorectal-cancers-patients-with-more-aggressive-phenotype
#1
Giuseppina Opinto, Nicola Silvestris, Matteo Centonze, Giusi Graziano, Rosamaria Pinto, Livia Fucci, Giovanni Simone, Anita Mangia
A large percentage of metastatic colorectal cancer (mCRC) patients presents metastasis at the time of diagnosis. In the last years, great efforts have been made in the treatment of these patients with the identification of different phenotypes playing a key role in the definition of new systemic therapies. Unsupervised hierarchical clustering analysis (HCA) was performed considering the clinicopathological characteristics of 51 mCRCs. Using immunohistochemistry on tissue microarrays, we assessed the expression of β-catenin, NHERF1, RASSF1A, TWIST1, HIF-1α proteins in tumors and paired liver metastases...
October 20, 2017: Oncotarget
https://www.readbyqxmd.com/read/29135089/fak-src-and-p-paxillin-expression-is-decreased-in-liver-metastasis-of-colorectal-carcinoma-patients
#2
Eleftherios Mantonakis, Constantinos Giaginis, Emmanouel Pikoulis, Evangelos Felekouras, Efstratios Patsouris, Theodoros Liakakos, Efstathios Papalampros, Stamatios Theocharis
PURPOSE: The FAK/Src/Paxillin (PXN) axis has been implicated in malignant transformation, tumor growth, progression and metastasis. The present study aimed to assess FAK/Src/PXN protein expression in both primary and liver metastatic sites of colorectal adenocarcinoma (CRC). METHODS: FAK, Src and p-PXN expression was assessed immunohistochemically on 32 primary CRCs and their corresponding liver metastases, being also analyzed in relation with clinicopathological characteristics and patient survival...
September 2017: Journal of B.U.ON.: Official Journal of the Balkan Union of Oncology
https://www.readbyqxmd.com/read/29133416/rsk2-phosphorylates-t-bet-to-attenuate-colon-cancer-metastasis-and-growth
#3
Ke Yao, Cong Peng, Yuwen Zhang, Tatyana A Zykova, Mee-Hyun Lee, Sung-Young Lee, Enyu Rao, Hanyong Chen, Joohyun Ryu, Lei Wang, Yi Zhang, Ge Gao, Wei He, Wei-Ya Ma, Kangdong Liu, Ann M Bode, Ziming Dong, Bing Li, Zigang Dong
Metastasis is a major cause of cancer-related deaths. Approximately 80% of patients with colorectal cancer develop liver metastasis and 20% develop lung metastasis. We found that at different stages of colon cancer, IFNγ secretion from peripheral blood mononuclear cells was decreased compared with healthy controls. The ribosomal S6 kinase (RSK) family of kinases has multiple cellular functions, and we examined their roles in this observed IFNγ decrease. Flow cytometry analysis of wild-type (WT) and RSK2 knockout (KO) mice revealed significantly lower levels of IFNγ in the RSK2 KO mice compared with the WT mice...
November 13, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/29133238/mir-146a-targets-c-met-and-abolishes-colorectal-cancer-liver-metastasis
#4
Anne-Marie Bleau, Miriam Redrado, Estanislao Nistal-Villan, Maria Villalba, Francisco Exposito, Esther Redin, Arrate L de Aberasturi, Leyre Larzabal, Javier Freire, Javier Gomez-Roman, Alfonso Calvo
A major complication of colorectal cancer (CRC), one of the most frequent and deadly types of cancer, is disease progression via liver metastases. At this stage, very few treatment options are available for patients, and the disease remains incurable. Herein, we used a well-established mouse model of CRC liver metastasis (CLM) to identify new regulators of this process. Using serial transplantation of murine MC38 adenocarcinoma cells, we obtained liver metastatic variants that displayed extremely strong colonization abilities...
November 10, 2017: Cancer Letters
https://www.readbyqxmd.com/read/29131639/proteomic-characterization-of-transcription-and-splicing-factors-associated-with-a-metastatic-phenotype-in-colorectal-cancer
#5
Sofia Torres, Irene Garcia-Palmero, Consolación Marin-Vicente, Ruben A Bartolome, Eva Calviño, María Jesús Fernandez-Aceñero, J Ignacio Casal
We investigated new transcription and splicing factors associated with the metastatic phenotype in colorectal cancer. A concatenated tandem array of consensus transcription factors (TFs)-response elements was used to pull down nuclear extracts in two different pairs of colorectal cancer cells, KM12SM/KM12C and SW620/480, genetically-related but differing in metastatic ability. Proteins were analyzed by label-free LC-MS and quantified with MaxLFQ. We found 240 proteins showing a significant dysregulation in highly-metastatic KM12SM cells relative to non-metastatic KM12C cells and 257 proteins in metastatic SW620 versus SW480...
November 13, 2017: Journal of Proteome Research
https://www.readbyqxmd.com/read/29131348/the-value-of-contrast-enhanced-laparoscopic-ultrasound-during-robotic-assisted-surgery-for-primary-colorectal-cancer
#6
Signe Bremholm Ellebaek, Claus Wilki Fristrup, Torsten Pless, Peiman Hossein Poornoroozy, Per Vadgaard Andersen, Bassam Mahdi, Michael Bau Mortensen
AIM: The aim of this study was to assess the potential clinical value of contrast enhanced laparoscopic ultrasonography (CE-LUS) as a screening modality for liver metastases during robotic assisted surgery for primary colorectal cancer (CRC). METHOD: A prospective, descriptive (feasibility) study including 50 consecutive patients scheduled for robotic assisted surgery for primary CRC. CE-LUS was performed by 2 experienced specialists. Only patients without metastatic disease were included...
November 13, 2017: Journal of Clinical Ultrasound: JCU
https://www.readbyqxmd.com/read/29128131/the-clinical-and-biological-roles-of-transforming-growth-factor-beta-in-colon-cancer-stem-cells-a-systematic-review
#7
REVIEW
Anna Chruścik, Vinod Gopalan, Alfred King-Yin Lam
BACKGROUND: Transforming growth factor beta (TGF-β) is a multipurpose cytokine, which plays a role in many cellular functions such as proliferation, differentiation, migration, apoptosis, cell adhesion and regulation of epithelial to mesenchymal transition. Despite many studies having observed the effect that TGF-β plays in colorectal cancer, its role in the colorectal stem cell population has not been widely observed. METHOD: This systematic review will analyse the role of TGF-β in the stem cell population of colorectal cancer...
November 8, 2017: European Journal of Cell Biology
https://www.readbyqxmd.com/read/29119049/mir19b-3p-promotes-the-growth-and-metastasis-of-colorectal-cancer-via-directly-targeting-itgb8
#8
Liang Huang, Jin Lin Cai, Pin Zhu Huang, Liang Kang, Mei Jin Huang, Lei Wang, Jian Ping Wang
MicroRNAs (miRNAs) are widely up-regulated or down-regulated in a variety of tumors, including lung cancer, liver cancer, and colorectal cancer (CRC). Furthermore, miRNAs can function as tumor suppressors or proto-oncogenes by controlling the growth and metastasis of cancer cells. In the present study, we found a significant increase in miR19b-3p levels in CRC compared to tumor tissue and revealed the role of miR19b-3p in CRC growth and metastasis. The exogenous overexpression of miR19b-3p induced the proliferation, migration, and invasion of CRC cells in vitro...
2017: American Journal of Cancer Research
https://www.readbyqxmd.com/read/29113730/conversion-to-resection-in-patients-receiving-systemic-chemotherapy-for-unresectable-and-or-metastatic-colorectal-cancer-predictive-factors-and-prognosis
#9
Hiroaki Nozawa, Soichiro Ishihara, Kazushige Kawai, Keisuke Hata, Tomomichi Kiyomatsu, Toshiaki Tanaka, Takeshi Nishikawa, Kensuke Otani, Koji Yasuda, Kazuhito Sasaki, Manabu Kaneko, Koji Murono
BACKGROUND: Systemic chemotherapy increases the possibility of resection in patients with initially unresectable colorectal cancer (CRC), especially patients with hepatic metastasis. However, the predictive factors and prognosis of conversion to resection after chemotherapy in patients with various organ metastases remain largely unknown. PATIENTS AND METHODS: We reviewed the data from metastatic CRC (mCRC) patients who had received oxaliplatin- or irinotecan-based systemic chemotherapy from 2005 to 2016...
October 19, 2017: Clinical Colorectal Cancer
https://www.readbyqxmd.com/read/29113656/introduction-of-the-resection-severity-index-as-independent-risk-factor-limiting-survival-after-resection-of-colorectal-liver-metastases
#10
Jill Gwiasda, Harald Schrem, Alexander Kaltenborn, Jan Mahlmann, Heiko Mix, Frank Lehner, Nicolas Kayser, Jürgen Klempnauer, Ulf Kulik
BACKGROUND: The purpose of this study is to evaluate the influence of the recently introduced resection severity index (RSI) in patients with liver resection for hepatocellular carcinoma on survival after resection of colorectal liver metastases. The RSI quantifies pre-operatively the liver cellular damage, liver synthetic function and loss of organ parenchyma. METHODS: All consecutive patients who underwent liver resection for metastases of colorectal cancer (CLM) between 2000 and 2015 were included in this study...
December 2017: Surgical Oncology
https://www.readbyqxmd.com/read/29113650/laparoscopic-parenchymal-preserving-liver-resections-for-colorectal-liver-metastases-in-the-era-of-highly-effective-systemic-therapy-and-selective-internal-radiation-therapy-can-often-prevent-a-hemihepatectomy-with-video
#11
Mathieu D'Hondt, Frédéric Ververken, Frederiek Nuytens
BACKGROUND: Preservation of hepatic parenchyma is important in liver surgery to prevent postoperative liver failure and according to some reports it could offer a prolonged survival and lower recurrence rates compared to major hepatectomies in patients with colorectal liver metastases. However, laparoscopic parenchyma-preserving liver resections can be technically challenging. The aim of this video is to illustrate the concept of laparoscopic parenchymal-preserving liver resections after conversion chemotherapy with targeted therapy...
December 2017: Surgical Oncology
https://www.readbyqxmd.com/read/29113267/overexpression-of-rictor-protein-in-colorectal-cancer-is-correlated-with-tumor-progression-and-prognosis
#12
Lifeng Wang, Jia Qi, Jinlong Yu, Haijin Chen, Zhaowei Zou, Xiaohua Lin, Linlang Guo
In order to understand the clinical significance of rapamycin-insensitive companion of mammalian target of rapamycin (Rictor) in colorectal cancer (CRC), 62 CRC tissue samples excised during operations were evaluated by immunohistochemistry. Analysis of the association between the expression level of Rictor protein and clinicopathological parameters demonstrated that the expression level of Rictor in CRC tissues was significantly higher than that in paracarcinoma tissues (P<0.0001). In cellular experiments, this result was further confirmed by comparing differences in Rictor expression between the CRC cell lines HCT116, SW480 and LoVo, and the human normal liver cell line HL-7702...
November 2017: Oncology Letters
https://www.readbyqxmd.com/read/29108374/long-term-postoperative-survival-prediction-in-patients-with-colorectal-liver-metastasis
#13
Kun Wang, Wei Liu, Xiao-Luan Yan, Juan Li, Bao-Cai Xing
Numerous factors affect the prognosis of colorectal liver metastasis (CRLM) patients after hepatic resection. We investigated several factors related to overall survival in patients with CRLM to identify those most likely to benefit from hepatic resection, and produced a rational tumor biology score system. Three hundred CRLM patients treated with preoperative chemotherapy followed by hepatic resection between 2006 and 2016 were enrolled in our study. Clinicopathologic and long-term survival data were collected and assessed...
October 3, 2017: Oncotarget
https://www.readbyqxmd.com/read/29108270/s-adenosylmethionine-and-methylthioadenosine-inhibit-cancer-metastasis-by-targeting-microrna-34a-b-methionine-adenosyltransferase-2a-2b-axis
#14
Maria Lauda Tomasi, Carla Cossu, Ylenia Spissu, Andrea Floris, Minjung Ryoo, Ainhoa Iglesias-Ara, Qiang Wang, Stephen J Pandol, Neil A Bhowmick, Ekihiro Seki, Edwin M Posadas, Shelly C Lu
MicroRNA-34a (miR-34a) is down-regulated in colorectal cancers (CRC) and required for interleukin-6 (IL-6)-induced CRC metastasis. Mice lacking miR-34a developed more invasive cancer in a colitis-associated cancer model. In the same model, S-adenosylmethionine (SAMe) and methylthioadenosine (MTA) inhibited IL-6/STAT3 and lowered tumor burden. SAMe and MTA reduce the expression of methionine adenosyltransferase 2A (MAT2A) and there are consensus binding sites for miR-34a/b in the MAT2A 3'UTR. Here we examined whether SAMe/MTA influence miR-34a/b expression and cancer metastasis...
October 3, 2017: Oncotarget
https://www.readbyqxmd.com/read/29108252/circulating-exosomal-microrna-203-is-associated-with-metastasis-possibly-via-inducing-tumor-associated-macrophages-in-colorectal-cancer
#15
Yuki Takano, Takaaki Masuda, Hisae Iinuma, Rui Yamaguchi, Kuniaki Sato, Taro Tobo, Hidenari Hirata, Yosuke Kuroda, Sho Nambara, Naoki Hayashi, Tomohiro Iguchi, Shuhei Ito, Hidetoshi Eguchi, Takahiro Ochiya, Katsuhiko Yanaga, Satoru Miyano, Koshi Mimori
A primary tumor can create a premetastatic niche in distant organs to facilitate the development of metastasis. The mechanism by which tumor cells communicate with host cells to develop premetastatic niches is unclear. We focused on the role of microRNA (miR) signaling in promoting metastasis. Here, we identified miR-203 as a signaling molecule between tumors and monocytes in metastatic colorectal cancer (CRC) patients. Notably, high expression of serum exosomal miR-203, a major form in circulation, was associated with distant metastasis and an independent poor prognostic factor, whereas low expression in tumor tissues was a poor prognostic factor in CRC patients...
October 3, 2017: Oncotarget
https://www.readbyqxmd.com/read/29105339/prognostic-value-of-cd133-cd54-cd44-circulating-tumor-cells-in-colorectal-cancer-with-liver-metastasis
#16
Chao Fang, Chuanwen Fan, Cun Wang, Qiaorong Huang, Wentong Meng, Yongyang Yu, Lie Yang, Jiankun Hu, Yuan Li, Xianming Mo, Zongguang Zhou
In the previous study, we had showed the expression of CD133(+) CD54(+) CD44(+) cellular subpopulation of circulating tumor cells (CTCs) was significantly associated with liver metastasis of colorectal cancer (CRC). This study aimed to explore whether this subpopulation of CTCs have a prognostic value in CRC patients. Flow cytometry was used to detect the expression of cellular subpopulations of CTCs with CD133, CD54, and CD44 in 152 CRC patients, between December 2013 and October 2014. The impact of clinicopathological factors and the expression of cellular subpopulations of CTCs on overall survival were then analyzed...
November 3, 2017: Cancer Medicine
https://www.readbyqxmd.com/read/29104612/laparoscopic-liver-resection-in-metastatic-colorectal-cancer-treatment-comparison-with-long-term-results-using-the-conventional-approach
#17
Rafael José Maurette, Marcos García Ejarque, Matías Mihura, Mariano Bregante, Diego Bogetti, Daniel Pirchi
Background: Laparoscopic liver resections (LLRs) have been shown to be both feasible and safe. However, no randomised control studies have been performed to date comparing results with those of the open surgery approach. Main aim: To analyse LLR long-term results and compare them with a similar group of open resections in patients with colorectal carcinoma liver metastasis (CRCLM). Methods: Retrospective study on a prospective database. All patients with anatomopathological diagnosis of CRCLM resected between July 2007 and July 2015...
2017: Ecancermedicalscience
https://www.readbyqxmd.com/read/29098384/prognostic-influence-of-hepatic-margin-after-resection-of-colorectal-liver-metastasis-role-of-modern-preoperative-chemotherapy
#18
Frank Makowiec, Peter Bronsert, Andrea Klock, Ulrich T Hopt, Hannes P Neeff
PURPOSE: Modern chemotherapy (CTX) increases survival in stage IV colorectal cancer. In colorectal liver metastases (CLM), neoadjuvant (neo) CTX may increase resectability and improve survival. Due to widespread use of CTX in CLM, recent studies assessed the role of the hepatic margin after CTX, with conflicting results. We evaluated the outcome after resection of CLM in relation to CTX and hepatic resection status. METHODS: Since 2000, 334 patients with first hepatic resection for isolated CLM were analyzed...
November 2, 2017: International Journal of Colorectal Disease
https://www.readbyqxmd.com/read/29094026/establishing-a-colorectal-cancer-liver-metastasis-patient-derived-tumor-xenograft-model-for-the-evaluation-of-personalized-chemotherapy
#19
Joohee Jung, Jisup Kim, Hyun Kyung Lim, Kyoung Mee Kim, Yun Sun Lee, Joon Seong Park, Dong Sup Yoon
Purpose: In order to suggest optimal anticancer drugs for patient-tailored chemotherapy, we developed a colorectal cancer (CRC)-liver metastasis patient-derived tumor xenograft (PDTX) model. Methods: Tissue obtained from a patient with CRC-liver metastasis (F0) was transplanted in a nonobese female mouse with diabetic/severe combined immune deficiency (F1) and the tumor tissue was retransplanted into nude mice (F2). When tumor volumes reached ~500 mm(3), the F2 mice were randomly divided into 4 groups (n = 4/group) of doxorubicin, cisplatin, docetaxel, and nontreated control groups...
October 2017: Annals of Surgical Treatment and Research
https://www.readbyqxmd.com/read/29082766/new-developments-and-clinical-transition-of-hyaluronic-acid-based-nanotherapeutics-for-treatment-of-cancer-reversing-multidrug-resistance-tumour-specific-targetability-and-improved-anticancer-efficacy
#20
Muhammad Hassan Safdar, Zahid Hussain, Mohammed A S Abourehab, Humna Hasan, Sajal Afzal, Hnin Ei Thu
This review aims to overview and critically analyses recent developments in achieving tumour-specific delivery of anticancer agents, maximizing anticancer efficacy, and mitigating tumour progression and off-target effects. Stemming from critical needs to develop target-specific delivery vehicles in cancer therapy, various hyaluronic acid (HA)-conjugated nanomedicines have been fabricated owing to their biocompatibility, safety, tumour-specific targetability of drugs and genes, and proficient interaction with cluster-determinant-44 (CD44) receptors over-expressed on the surface of tumour cells...
October 30, 2017: Artificial Cells, Nanomedicine, and Biotechnology
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