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https://www.readbyqxmd.com/read/29329541/a-role-for-endothelial-nitric-oxide-synthase-in-intestinal-stem-cell-proliferation-and-mesenchymal-colorectal-cancer
#1
Jon Peñarando, Laura M López-Sánchez, Rafael Mena, Silvia Guil-Luna, Francisco Conde, Vanessa Hernández, Marta Toledano, Victoria Gudiño, Michela Raponi, Caroline Billard, Carlos Villar, César Díaz, José Gómez-Barbadillo, Juan De la Haba-Rodríguez, Kevin Myant, Enrique Aranda, Antonio Rodríguez-Ariza
BACKGROUND: Nitric oxide (NO) has been highlighted as an important agent in cancer-related events. Although the inducible nitric oxide synthase (iNOS) isoform has received most attention, recent studies in the literature indicate that the endothelial isoenzyme (eNOS) can also modulate different tumor processes including resistance, angiogenesis, invasion, and metastasis. However, the role of eNOS in cancer stem cell (CSC) biology and mesenchymal tumors is unknown. RESULTS: Here, we show that eNOS was significantly upregulated in VilCre ERT2 Apc fl/+ and VilCre ERT2 Apc fl/fl mouse intestinal tissue, with intense immunostaining in hyperproliferative crypts...
January 10, 2018: BMC Biology
https://www.readbyqxmd.com/read/29328404/chronic-oxymatrine-treatment-induces-resistance-and-epithelial%C3%A2-mesenchymal-transition-through-targeting-the-long-non-coding-rna-malat1-in-colorectal-cancer-cells
#2
Yibai Xiong, Jun Wang, Huirong Zhu, Lingshuang Liu, Yi Jiang
A major reason for colorectal cancer (CRC) chemoresistance is the enhanced migration and invasion of cancer cells, such as the cell acquisition of epithelial-mesenchymal transition (EMT). Long non-coding RNA (lncRNA) metastasis-associated lung adenocarcinoma transcript 1 (MALAT1) has been considered as a pro-oncogene in multiple cancers. However, the precise functional mechanism of lncRNA MALAT1 in chemoresistance and EMT is not well known. In the present study, we focused on the effect of oxymatrine on CRC cells and further investigated the role of MALAT1 in oxymatrine-induced resistance and EMT process...
January 10, 2018: Oncology Reports
https://www.readbyqxmd.com/read/29328371/cd133-expression-predicts-post-operative-recurrence-in-patients-with-colon-cancer-with-peritoneal-metastasis
#3
Hiroshi Nagata, Soichiro Ishihara, Junko Kishikawa, Hirofumi Sonoda, Koji Murono, Shigenobu Emoto, Manabu Kaneko, Kazuhito Sasaki, Kensuke Otani, Takeshi Nishikawa, Toshiaki Tanaka, Tomomichi Kiyomatsu, Keisuke Hata, Kazushige Kawai, Hiroaki Nozawa
Despite extensive research on cancer stem cells in colorectal cancer, the impact of stem cell markers on patient survival remains unclear, particularly in those with distant metastasis. In this study, we focused on colon cancer with peritoneal metastasis and investigated the association between the expression of CD133, aldehyde dehydrogenase-1 (ALDH1) and leucine-rich repeating G-protein coupled receptor-5 (Lgr5), and disease prognosis. Putative stem cell marker expression was immunohistochemically evaluated in samples from 142 primary tumours and 75 peritoneal nodules...
January 8, 2018: International Journal of Oncology
https://www.readbyqxmd.com/read/29328363/support-vector-machine-classifier-for-prediction-of-the-metastasis-of-colorectal-cancer
#4
Jiajun Zhi, Jiwei Sun, Zhongchuan Wang, Wenjun Ding
Colorectal cancer (CRC) is one of the most common cancers and a major cause of mortality. The present study aimed to identify potential biomarkers for CRC metastasis and uncover the mechanisms underlying the etiology of the disease. The five datasets GSE68468, GSE62321, GSE22834, GSE14297 and GSE6988 were utilized in the study, all of which contained metastatic and non-metastatic CRC samples. Among them, three datasets were integrated via meta-analysis to identify the differentially expressed genes (DEGs) between the two types of samples...
January 2, 2018: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/29325758/mir-186-5p-upregulation-inhibits-proliferation-metastasis-and-epithelial-to-mesenchymal-transition-of-colorectal-cancer-cell-by-targeting-zeb1
#5
Jinlei Li, Limin Xia, Zhenhua Zhou, Zhigui Zuo, Chang Xu, Huayu Song, Jianhui Cai
MicroRNA-186-5p (miR-186-5p) is upregulated and exhibits as a crucial oncogene in various human tumors. However, the functions and underlying mechanisms of this microRNA on colorectal cancer remain largely unknown. Here, we report that miR-186-5p share a lower expression in colorectal cancer cell lines (HT116, H29, SW620 and LoVo) than in normal colonic epithelial cell line NCM460. MiR-186-5p overexpression inhibits proliferation, metastasis and epithelial-to-mesenchymal transition (EMT) of colorectal cancer cell line LoVo...
January 8, 2018: Archives of Biochemistry and Biophysics
https://www.readbyqxmd.com/read/29325357/-impact-of-primary-tumor-site-on-the-prognosis-in-different-stage-colorectal-cancer-patients-after-radical-resection
#6
J Han, X Zhang, A D Zhang, X L Zhou, L Feng, J Y Wang, G Y Wang
Objective: To analyze the effect to the prognosis of tumor site on the patients of colorectal cancer after curative resection with different stage. Methods: Clinicopathological and follow-up data of 2 097 colorectal carcinoma cases undergoing resection at Fourth Hospital of Hebei Medical University from January 2008 to March 2015 were retrospectively analyzed. There were 421 patients in left-sided colorectal cancer (LCC) group (including carcinoma in cecum, ascending colon , hepatic flexure, and transvers colon) , 386 in right-sided colorectal cancer (RCC) group (including carcinoma in splenic flexure, descending colon and sigmoid colon) and 1 290 in rectal cancer (RECC) group...
January 1, 2018: Zhonghua Wai Ke za Zhi [Chinese Journal of Surgery]
https://www.readbyqxmd.com/read/29323748/the-gain-of-function-mutation-e76k-in-shp2-promotes-cac-tumorigenesis-and-induces-emt-via-the-wnt-%C3%AE-catenin-signaling-pathway
#7
Qian Zhang, Rongrong Zhao, Chuling Fan, Xinyi Wang, Youzhi Xu, Yakun Liu, Siying Wang
SHP2 is encoded by the protein tyrosine phosphatase 11 (Ptpn11) gene. Several gain-of-function (GOF) mutations in Ptpn11 have been identified in human hematopoietic malignancies and solid tumors. In addition, the mutation rate for SHP2 is the highest for colorectal cancer (CRC) among solid tumors. The E76K GOF mutation is the most common and active SHP2 mutation; however, the pathogenic effects and function of this mutation in CRC tumor progression have not been well characterized. The Wnt/β-catenin (CTNNB1) signaling pathway is crucial for CRC, and excessive activation of this pathway has been observed in several tumors...
January 11, 2018: Molecular Carcinogenesis
https://www.readbyqxmd.com/read/29322354/mutations-of-key-driver-genes-in-colorectal-cancer-progression-and-metastasis
#8
REVIEW
Dongdong Huang, Wenjie Sun, Yuwei Zhou, Peiwei Li, Fang Chen, Hanwen Chen, Dajing Xia, Enping Xu, Maode Lai, Yihua Wu, Honghe Zhang
The association between mutations of key driver genes and colorectal cancer (CRC) metastasis has been investigated by many studies. However, the results of these studies have been contradictory. Here, we perform a comprehensive analysis to screen key driver genes from the TCGA database and validate the roles of these mutations in CRC metastasis. Using bioinformatics analysis, we identified six key driver genes, namely APC, KRAS, BRAF, PIK3CA, SMAD4 and p53. Through a systematic search, 120 articles published by November 30, 2017, were included, which all showed roles for these gene mutations in CRC metastasis...
January 10, 2018: Cancer Metastasis Reviews
https://www.readbyqxmd.com/read/29322091/a-retroviral-replicating-vector-encoding-cytosine-deaminase-and-5-fc-induces-immune-memory-in-metastatic-colorectal-cancer-models
#9
Kader Yagiz, Maria E Rodriguez-Aguirre, Fernando Lopez Espinoza, Tiffany T Montellano, Daniel Mendoza, Leah A Mitchell, Carlos E Ibanez, Noriyuki Kasahara, Harry E Gruber, Douglas J Jolly, Joan M Robbins
Treatment of tumors with Toca 511, a gamma retroviral replicating vector encoding cytosine deaminase, followed by 5-fluorocytosine (5-FC) kills tumors by local production of 5-fluorouracil (5-FU). In brain tumor models, this treatment induces systemic anti-tumor immune responses and long-term immune-mediated survival. Phase 1 Toca 511 and Toca FC (extended-release 5-FC) clinical trials in patients with recurrent high-grade glioma show durable complete responses and promising survival data compared to historic controls...
March 30, 2018: Molecular Therapy Oncolytics
https://www.readbyqxmd.com/read/29318692/promoter-hypermethylation-inactivate-tumour-suppressor-fam134b-and-is-associated-with-poor-prognosis-in-colorectal-cancer
#10
Farhadul Islam, Vinod Gopalan, Suja Pillai, Cu-Tai Lu, Kais Kasem, Alfred King-Yin Lam
The present study aims to examine promoter methylation status of FAM134B in a large cohort of patients with colorectal adenocarcinomas. The clinical significances and correlations of FAM134B promoter methylation with its expression are also analysed. Methylation-specific high-resolution melt-curve analysis followed by sequencing was used to identify FAM134B promoter methylation in colorectal adenomas (n=32), colorectal adenocarcinomas (n=164), matched adjacent non-neoplastic colorectal mucosae (n=83) and colon cancer cell lines (n=4)...
January 10, 2018: Genes, Chromosomes & Cancer
https://www.readbyqxmd.com/read/29318366/-surgical-innovations-in-treatment-of-metastatic-colorectal-cancer-complexity-of-metastatic-surgery-as-example-for-personalized-medicine
#11
REVIEW
C Hackl, S M Brunner, K M Schmidt, H J Schlitt
BACKGROUND: Extensive, bilobular and multifocal colorectal liver metastases (CLM) or metastases that are critically situated require an experienced surgeon and advanced surgical techniques to enable curative resection. OBJECTIVE: This article describes the toolbox of hepato-oncologic surgery including functional augmentation of liver segments by portal vein embolization/ligation, combinations of ablation and resection, two-stage resections and in situ split liver resection, also known as associating liver partition and portal vein ligation for staged hepatectomy (ALPPS)...
January 9, 2018: Der Chirurg; Zeitschrift Für Alle Gebiete der Operativen Medizen
https://www.readbyqxmd.com/read/29312635/lrp6-promotes-invasion-and-metastasis-of-colorectal-cancer-through-cytoskeleton-dynamics
#12
Qian Yao, Yu An, Wei Hou, Ya-Nan Cao, Meng-Fei Yao, Ning-Ning Ma, Lin Hou, Hong Zhang, Hai-Jing Liu, Bo Zhang
Low density lipoprotein (LDL) receptor-related protein-6 (LRP6) is an important co-receptor of Wnt pathway, which plays a predominant role in development and progression of colorectal cancer. Recently, dysregulation of LRP6 has proved to be involved in the progression of cancers, but its biological role and clinical significance in colorectal cancer remain unclear. In present study, we revealed that phosphorylation of LRP6 was aberrantly upregulated in colorectal carcinoma correlating with TNM or Dukes staging and worse prognosis...
December 12, 2017: Oncotarget
https://www.readbyqxmd.com/read/29310839/decoding-colorectal-cancer-epigenomics
#13
REVIEW
Khalid El Bairi, Kanwal Tariq, Imane Himri, Abdeslam Jaafari, Wiam Smaili, Abdul Hafeez Kandhro, Adel Gouri, Bouchra Ghazi
Colorectal cancer (CRC) is very heterogeneous and presents different types of epigenetic alterations including DNA methylation, histone modifications and microRNAs. These changes are considered as characteristics of various observed clinical phenotypes. Undoubtedly, the discovery of epigenetic pathways with novel epigenetic-related mechanisms constitutes a promising advance in cancer biomarker discovery. In this review, we provide an evidence-based discussing of the current understanding of CRC epigenomics and its role in initiation, epithelial-to-mesenchymal transition and metastasis...
January 2018: Cancer Genetics
https://www.readbyqxmd.com/read/29308184/aspirin-inhibited-the-metastasis-of-colon-cancer-cells-by-inhibiting-the-expression-of-toll-like-receptor-4
#14
Jun Ying, Hai-Yang Zhou, Peng Liu, Qing You, Fei Kuang, Yi-Nan Shen, Zhi-Qian Hu
Background: The metastasis of colorectal cancer frequently tends to liver, which is one of the three leading causes of cancer-related deaths worldwide. Growing evidence showed that aspirin could effectively inhibit liver metastasis of colorectal cancer. However, the potential mechanism has not been fully understood. Methods: Mouse splenic vein metastasis assay was used to examine the metastatic ability of colon cancer cells in vivo. And wound healing and transwell assay were applied to detect the metastasis potential of C26 and HCT116 colon cancer cell lines in vitro...
2018: Cell & Bioscience
https://www.readbyqxmd.com/read/29308053/effect-of-long-non-coding-rna-gas5-on-proliferation-migration-invasion-and-apoptosis-of-colorectal-cancer-ht-29-cell-line
#15
Jin Li, Yuan Wang, Cheng-Gong Zhang, Hai-Juan Xiao, Jun-Ming Hou, Jing-Dong He
Objective: This study aims to investigate the effect of long non-coding RNA (lncRNA) Gas5 on proliferation, migration, invasion and apoptosis of colorectal cancer (CRC) HT-29 cell line. Methods: CRC and normal tissues were collected and prepared from a total of 126 CRC patients, and normal intestinal epithelial cell line FHC and CRC cell lines (HCT-8, HT-29, HCT-116 and SW-480) were prepared. Gas5 expression was detected by quantitative reverse transcriptase-polymerase chain reaction...
2018: Cancer Cell International
https://www.readbyqxmd.com/read/29307628/genomic-heterogeneity-in-primary-colorectal-carcinomas-and-their-metastases-born-bad-or-brought-up-a-villain
#16
Maja Hühns, Saskia Krohn, Hugo Murua Escobar, Friedrich Prall
Progression of solid cancers, colorectal carcinomas among them, from their primaries to metastatic lesions traditionally is thought to proceed by a step-wise acquisition of and selection for genomic aberrations. To test if patterns of genomic aberrations would be consistent with this model, we studied ten colorectal carcinoma primary-metastasis pairs, nine with one liver metastasis each, and one with two metastases. Next generation targeted sequencing (50 gene panel) with samples obtained from different regions of the primaries and their metastases demonstrated 1-11 gene mutations per lesion...
January 4, 2018: Human Pathology
https://www.readbyqxmd.com/read/29306955/downregulation-of-annexin-a11-anxa11-inhibits-cell-proliferation-invasion-and-migration-via-the-akt-gsk-3%C3%AE-pathway-in-gastric-cancer
#17
Kelei Hua, Yong Li, Qun Zhao, Liqiao Fan, Bibo Tan, Jianbin Gu
BACKGROUND Gastric cancer (GC) is one of the most common malignant tumors in the world and in China the incidence and mortality rates of gastric cancer are the second highest among all forms of cancer. Annexin A11 (ANXA11) is a member of the annexins family. Previous studies have shown that ANXA11 participates in many cellular functions and has significant influence on ovarian, breast, liver, and colorectal cancer. However, the expression and biological functions of ANXA11 in GC are still unknown. MATERIAL AND METHODS A total of 63 paired gastric cancer tissues and matched adjacent mucosa were used to measure the ANXA11 levels and its correlation with clinical characteristics...
January 7, 2018: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/29306325/incidence-of-bone-metastases-in-patients-with-solid-tumors-analysis-of-oncology-electronic-medical-records-in-the-united-states
#18
Rohini K Hernandez, Sally W Wade, Adam Reich, Melissa Pirolli, Alexander Liede, Gary H Lyman
BACKGROUND: Bone metastases commonly occur in conjunction with solid tumors, and are associated with serious bone complications. Population-based estimates of bone metastasis incidence are limited, often based on autopsy data, and may not reflect current treatment patterns. METHODS: Electronic medical records (OSCER, Oncology Services Comprehensive Electronic Records, 569,000 patients, 52 US cancer centers) were used to identify patients ≥18 years with a solid tumor diagnosis recorded between 1/1/2004 and 12/31/2013, excluding patients with hematologic tumors or multiple primaries...
January 6, 2018: BMC Cancer
https://www.readbyqxmd.com/read/29305209/survival-benefit-of-palliative-local-treatments-and-efficacy-of-different-pharmacotherapies-in-colorectal-cancer-with-lung-metastasis-results-from-a-large-retrospective-study
#19
Zhenghang Wang, Xicheng Wang, Jiajia Yuan, Xiaotian Zhang, Jun Zhou, Ming Lu, Dan Liu, Jian Li, Lin Shen
BACKGROUND: For most colorectal cancer patients with initial lung metastasis (LM), the only suitable treatments are palliative, including palliative local therapy and pharmacotherapy. We investigated the role of palliative local treatments in prolonging survival and the efficacy of different pharmacotherapies. PATIENTS AND METHODS: After performing a medical record review of 2233 patients with metastatic colorectal cancer, 684 were identified as having LM. Their clinicopathologic characteristics, treatment patterns, and outcomes were analyzed retrospectively...
December 13, 2017: Clinical Colorectal Cancer
https://www.readbyqxmd.com/read/29304532/platelet-count-adamts13-activity-von-willebrand-factor-level-and-survival-in-patients-with-colorectal-cancer-5-year-follow-up-study
#20
Nóra Garam, Éva Maláti, György Sinkovits, Tímea Gombos, Attila Szederjesi, Loránd Barabás, László Gráf, Judit Kocsis, Zoltán Prohászka
Distant metastasis is a major cause of colorectal cancer-related death, but the mechanism of tumour progression is not fully understood. There is growing evidence of an interaction between tumour cells and platelets which may influence tumour progression and metastasis formation. Quality and quantity of von Willebrand factor may regulate the interaction between tumour cells and platelets. Our aim was to measure the platelet count, von Willebrand factor antigen (VWF:Ag) levels and ADAMTS13 activity in a large (n = 232) cohort of colorectal cancer patients and to examine their relationships with the stage of the disease and 5-year survival without thrombotic complications using multivariable models...
January 2018: Thrombosis and Haemostasis
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