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Colon cancer

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https://www.readbyqxmd.com/read/27926932/epsin-family-member-3-and-ribosome-related-genes-are-associated-with-late-metastasis-in-estrogen-receptor-positive-breast-cancer-and-long-term-survival-in-non-small-cell-lung-cancer-using-a-genome-wide-identification-and-validation-strategy
#1
Birte Hellwig, Katrin Madjar, Karolina Edlund, Rosemarie Marchan, Cristina Cadenas, Anne-Sophie Heimes, Katrin Almstedt, Antje Lebrecht, Isabel Sicking, Marco J Battista, Patrick Micke, Marcus Schmidt, Jan G Hengstler, Jörg Rahnenführer
BACKGROUND: In breast cancer, gene signatures that predict the risk of metastasis after surgical tumor resection are mainly indicative of early events. The purpose of this study was to identify genes linked to metastatic recurrence more than three years after surgery. METHODS: Affymetrix HG U133A and Plus 2.0 array datasets with information on metastasis-free, disease-free or overall survival were accessed via public repositories. Time restricted Cox regression models were used to identify genes associated with metastasis during or after the first three years post-surgery (early- and late-type genes)...
2016: PloS One
https://www.readbyqxmd.com/read/27926694/involvement-of-activated-cdc42-kinase1-in-colitis-and-colorectal-neoplasms
#2
Chaolan Lv, Hongxiang Gu, Xinmei Zhao, Liyun Huang, Sanxi Zhou, Fachao Zhi
BACKGROUND Activated Cdc42 kinase1 (ACK1) is a non-receptor tyrosine kinase which is critical for cell survival, proliferation, and migration. Genomic amplification of ACK1 has been reported in multiple human cancers. We aimed to investigate ACK1 protein expression in colorectal mucosa with inflammation and neoplasm, and to evaluate its correlation with disease activity and severity. MATERIAL AND METHODS A total of 250 individuals who underwent total colonoscopy were collected randomly from January 2007 to May 2013 in Nanfang Hospital, Guangzhou, China...
December 7, 2016: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/27926632/a-pooled-analysis-of-robotic-versus-laparoscopic-surgery-for-colon-cancer
#3
Bo-Shi Duan, Guo-Hua Zhao, Helen Yang, Yue Wang
OBJECTIVE: An increasing number of studies have been reported since the "Da Vinci" Robotic System was used in gastrointestinal disease. Thus, we conducted this meta-analysis to evaluate the safety and efficacy of robotic colectomy (RC) compared with laparoscopic colectomy (LC) in the treatment of colon cancer. METHOD: A systematic search of Medline, Embase databases, and the Cochrane Library was performed to identify studies that compared RC and LC and were published up to February 2015...
December 2016: Surgical Laparoscopy, Endoscopy & Percutaneous Techniques
https://www.readbyqxmd.com/read/27926565/oncologic-outcomes-following-laparoscopic-versus-open-resection-of-pt4-colon-cancer-a-systematic-review-and-meta-analysis
#4
Adina E Feinberg, Tyler R Chesney, Sergio A Acuna, Tarik Sammour, Fayez A Quereshy
BACKGROUND: Locally advanced colon cancer is considered a relative contraindication for laparoscopic resection, and clinical trials addressing the oncologic safety are lacking. OBJECTIVE: The aim of this study was to synthesize the oncologic outcomes associated with laparoscopic versus conventional open surgery for locally advanced colon cancers. DATA SOURCES: We systematically searched Medline, Embase, Central, and ClinicalTrials.gov. STUDY SELECTION: Two reviewers independently screened the literature for controlled trials or observational studies comparing curative-intent laparoscopic and open surgery for colon cancer...
January 2017: Diseases of the Colon and Rectum
https://www.readbyqxmd.com/read/27926554/intraoperative-archive-of-right-colonic-vascular-variability-aids-central-vascular-ligation-and-redefines-gastrocolic-trunk-of-henle-variants
#5
Jamal F Alsabilah, Syed A Razvi, Mahdi H Albandar, Nam K Kim
BACKGROUND: Vascular supply to the right colon has become an issue because of high variability and subsequent impact on minimally invasive surgery. Past cadaveric or radiologic anatomic assessments are noncomprehensive. OBJECTIVE: Intraoperative charting of right colonic arteriovenous anatomy was undertaken to determine the incidence and scope of vascular variations. DESIGN: Vascular anatomy variations were documented in snapshot images, captured during laparoscopic video recordings or through open surgical digital photography...
January 2017: Diseases of the Colon and Rectum
https://www.readbyqxmd.com/read/27926553/omission-of-adjuvant-chemotherapy-is-associated-with-increased-mortality-in-patients-with-t3n0-colon-cancer-with-inadequate-lymph-node-harvest
#6
Katerina O Wells, Alexander T Hawkins, Devi M Krishnamurthy, Sekhar Dharmarajan, Sean C Glasgow, Steven R Hunt, Matthew G Mutch, Paul Wise, Matthew L Silviera
BACKGROUND: Adjuvant chemotherapy for T3N0 colon cancer is controversial. National guidelines recommend its use in patients with stage II with high-risk features, including lymph node harvest of less than 12, yet this treatment is underused. OBJECTIVE: The purpose of this study was to demonstrate that the use of adjuvant chemotherapy in patients with T3N0 adenocarcinoma with inadequate lymph node harvest is beneficial. DESIGN: This was a retrospective population-based study of patients with resected T3N0 adenocarcinoma of the colon...
January 2017: Diseases of the Colon and Rectum
https://www.readbyqxmd.com/read/27926551/the-role-of-surgeons-and-oncologists-combined-to-properly-apply-colon-cancer-guidelines
#7
Luca Stocchi
No abstract text is available yet for this article.
January 2017: Diseases of the Colon and Rectum
https://www.readbyqxmd.com/read/27926503/foxd3-is-a-tumor-suppressor-of-colon-cancer-by-inhibiting-egfr-ras-raf-mek-erk-signal-pathway
#8
Kun Li, Qunfeng Guo, Jun Yang, Hui Chen, Kewen Hu, Juan Zhao, Shunxin Zheng, Xiufeng Pang, Sufang Zhou, Yongyan Dang, Lei Li
Forkhead box D3 (FOXD3), as a transcriptional repressor, is well known to be involved in the regulation of development. Although FoxD3 is associated with several cancers, its role in colon cancer and the underlying mechanism are still unclear. Here, we first showed that FOXD3 knockdown dramatically increased the proliferation of human colon cancer cells, enhanced cell invasive ability and inhibited cell apoptosis. In vivo xenograft studies confirmed that the FOXD3-knockdown cells were more tumorigenic than the controls...
December 3, 2016: Oncotarget
https://www.readbyqxmd.com/read/27926494/p38-and-jnk-pathways-control-e-selectin-dependent-extravasation-of-colon-cancer-cells-by-modulating-mir-31-transcription
#9
Liang Zhong, Bryan Simoneau, Jacques Huot, Martin J Simard
Extravasation of circulating cancer cells is a key event of metastatic dissemination that is initiated by the adhesion of cancer cells to vascular endothelial cells. It requires the interaction between adhesion receptors such as E-selectin present on endothelial cells and their ligands on cancer cells. Notably, E-selectin influences the metastatic potential of breast, bladder, gastric, pancreatic, and colorectal carcinoma as well as of leukemia and lymphoma. Here, we show that E-selectin expression induced by the pro-inflammatory cytokine IL-1β is directly and negatively regulated by miR-31...
December 2, 2016: Oncotarget
https://www.readbyqxmd.com/read/27926431/the-oral-microbiome-in-health-and-its-implication-in-oral-and-systemic-diseases
#10
B Sampaio-Maia, I M Caldas, M L Pereira, D Pérez-Mongiovi, R Araujo
The oral microbiome can alter the balance between health and disease, locally and systemically. Within the oral cavity, bacteria, archaea, fungi, protozoa, and viruses may all be found, each having a particular role, but strongly interacting with each other and with the host, in sickness or in health. A description on how colonization occurs and how the oral microbiome dynamically evolves throughout the host's life is given. In this chapter the authors also address oral and nonoral conditions in which oral microorganisms may play a role in the etiology and progression, presenting the up-to-date knowledge on oral dysbiosis as well as the known underlying pathophysiologic mechanisms involving oral microorganisms in each condition...
2016: Advances in Applied Microbiology
https://www.readbyqxmd.com/read/27925188/a-human-3d-in-vitro-model-to-assess-the-relationship-between-osteoporosis-and-dissemination-to-bone-of-breast-cancer-tumour-cells
#11
F Salamanna, V Borsari, S Brogini, P Torricelli, S Cepollaro, M Cadossi, M Fini
Despite consistent improvements in diagnostic and therapeutic strategies for breast cancer, up to 40% of patients will develop bone metastases. To reduce the morbidity and complications related with bone metastases, it is imperative to reduce their etiological factors. Osteoporosis, being characterized by a sudden estrogen deficiency, may provide a favorable condition for bone metastasis. This work, using a humanized 3D in vitro model, aims at evaluating the relationship between osteoporosis and breast cancer-derived bone metastases...
December 7, 2016: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/27925182/proteomics-analysis-of-differential-protein-expression-identifies-heat-shock-protein-47-as-a-predictive-marker-for-lymph-node-metastasis-in-patients-with-colorectal-cancer
#12
Koichiro Mori, Yuji Toiyama, Kohei Otake, Hiroyuki Fujikawa, Susumu Saigusa, Junichiro Hiro, Minako Kobayashi, Masaki Ohi, Koji Tanaka, Yasuhiro Inoue, Yuhko Kobayashi, Issei Kobayashi, Yasuhiko Mohri, Ajay Goel, Masato Kusunoki
The discovery of biomarkers to predict the potential for lymph node (LN) metastasis in patients with colorectal cancer (CRC) is essential for developing improved strategies for treating CRC. In the present study, we used isobaric tags for relative and absolute quantitation to conduct a proteomic analysis designed to identify novel biomarkers for predicting LN metastasis in patients with CRC. We identified 60 differentially expressed proteins specifically associated with LN metastasis in CRC patients and classified the molecular and functional characteristics of these proteins by bioinformatic approaches...
December 7, 2016: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/27924641/three-minor-valepotriate-isomers-from-valeriana-jatamansi-and-their-cytotoxicity
#13
Sheng Lin, Peng Fu, Tao Chen, Ji Ye, Xian-Wen Yang, Wei-Dong Zhang
Three new minor valepotriate isomers, jatamanvaltrates Z1 (1), Z2 (2), and Z3 (3), have been isolated from the whole plants of Valeriana jatamansi (syn. Valeriana wallichii.). Their structures were elucidated by extensive spectroscopic analysis, especially 2D NMR and ESI-MS/MS(n). All isolated compounds displayed moderate cytotoxicity against the lung adenocarcinoma (A549), metastatic prostate cancer (PC-3 M), colon cancer (HCT-8), and hepatoma (Bel7402) cell lines with IC50 values of 2.8-8.3 μM.
December 7, 2016: Journal of Asian Natural Products Research
https://www.readbyqxmd.com/read/27924065/the-more-the-messier-centrosome-amplification-as-a-novel-biomarker-for-personalized-treatment-of-colorectal-cancers
#14
REVIEW
Monica M Mahathre, Padmashree Cg Rida, Ritu Aneja
Colon cancer is currently the third most common cancer and second most fatal cancer in the United States, resulting in approximately 600,000 deaths annually. Though colorectal cancer death rates are decreasing by about 3% every year, disease outcomes could be substantially improved with more research into the drivers of colon carcinogenesis, the determinants of aggressiveness in colorectal cancer and the identification of biomarkers that could enable choice of more optimal treatments. Colon carcinogenesis is notably a slow process that can take decades...
November 2016: Journal of Biomedical Research
https://www.readbyqxmd.com/read/27924057/pazopanib-a-novel-multi-kinase-inhibitor-shows-potent-antitumor-activity-in-colon-cancer-through-puma-mediated-apoptosis
#15
Lingling Zhang, Huanan Wang, Wei Li, Juchang Zhong, Rongcheng Yu, Xinfeng Huang, Honghui Wang, Zhikai Tan, Jiangang Wang, Yingjie Zhang
Colon cancer is still the third most common cancer which has a high mortality but low five-year survival rate. Novel tyrosine kinase inhibitors (TKI) such as pazopanib become effective antineoplastic agents that show promising clinical activity in a variety of carcinoma, including colon cancer. However, the precise underlying mechanism against tumor is unclear. Here, we demonstrated that pazopanib promoted colon cancer cell apoptosis through inducing PUMA expression. Pazopanib induced p53-independent PUMA activation by inhibiting PI3K/Akt signaling pathway, thereby activating Foxo3a, which subsequently bound to the promoter of PUMA to activate its transcription...
December 1, 2016: Oncotarget
https://www.readbyqxmd.com/read/27923994/sirt6-interacts-with-trf2-and-promotes-its-degradation-in-response-to-dna-damage
#16
Angela Rizzo, Sara Iachettini, Erica Salvati, Pasquale Zizza, Carmen Maresca, Carmen D'Angelo, Delphine Benarroch-Popivker, Angela Capolupo, Federica Del Gaudio, Sandro Cosconati, Salvatore Di Maro, Francesco Merlino, Ettore Novellino, Carla Azzurra Amoreo, Marcella Mottolese, Isabella Sperduti, Eric Gilson, Annamaria Biroccio
Telomere repeat binding factor 2 (TRF2) has been increasingly recognized to be involved in telomere maintenance and DNA damage response. Here, we show that TRF2 directly binds SIRT6 in a DNA independent manner and that this interaction is increased upon replication stress. Knockdown of SIRT6 up-regulates TRF2 protein levels and counteracts its down-regulation during DNA damage response, leading to cell survival. Moreover, we report that SIRT6 deactetylates in vivo the TRFH domain of TRF2, which in turn, is ubiquitylated in vivo activating the ubiquitin-dependent proteolysis...
December 6, 2016: Nucleic Acids Research
https://www.readbyqxmd.com/read/27923905/%C3%AE-lapachone-inhibits-lung-metastasis-of-colorectal-cancer-by-inducing-apoptosis-of-ct26-cells
#17
Ji-Ye Kee, Yo-Han Han, Jinbong Park, Dae-Seung Kim, Jeong-Geon Mun, Kwang Seok Ahn, Hyun-Jung Kim, Jae-Young Um, Seung-Heon Hong
BACKGROUND: β-Lapachone is a quinone-containing compound found in red lapacho (Tabebuia impetiginosa, syn. T avellanedae) trees. Lapacho has been used in traditional medicine by several South and Central American indigenous people to treat various types of cancer. The purpose of this study was to investigate the antimetastatic properties of β-lapachone and the underlying mechanisms using colon cancer cells. METHODS: This research used metastatic murine colon cancer cell lines, colon 26 (CT26) and colon 38 (MC38)...
December 5, 2016: Integrative Cancer Therapies
https://www.readbyqxmd.com/read/27923666/lifetime-report-of-perceived-stress-at-work-and-cancer-among-men-a-case-control-study-in-montreal-canada
#18
Audrey Blanc-Lapierre, Marie-Claude Rousseau, Deborah Weiss, Mariam El-Zein, Jack Siemiatycki, Marie-Élise Parent
BACKGROUND: The association between perceived workplace psychological stress, over the entire work career, and cancer among men has never been assessed. This was explored in the context of a population-based case-control study conducted in Montreal, Canada. METHODS: 3103 incident cancer cases (11 types) diagnosed in 1979-1985 and 512 population controls were interviewed. Subjects described in detail each job held during their lifetime, including the occurrence of stress, and its reason...
December 3, 2016: Preventive Medicine
https://www.readbyqxmd.com/read/27922979/a-comparison-of-thermal-plasma-energy-versus-argon-beam-coagulator-induced-intestinal-injury-after-vaporization-in-a-porcine-model
#19
Edward J Tanner, Erica Dun, Yukio Sonoda, Alexander B Olawaiye, Dennis S Chi
OBJECTIVES: Complete cytoreduction of ovarian cancer often requires excision or ablation of bowel serosa implants. Both argon beam coagulator (ABC) and thermal plasma energy (TPE) (PlasmaJet; PlasmaSurgical, Roswell, Ga) have been used to ablate bowel serosa implants. Our objective was to identify comparable power settings as well as determine the rate of bowel perforation, depth of thermal injury, and extent of inflammatory response with ABC versus TPE in a porcine model. MATERIALS AND METHODS: Nine pigs underwent vaporization of small bowel and colon serosa according to assigned treatment group (TPE vs ABC) and settings (ABC: 30, 50, and 70 W; TPE: Cut 10U, 20U, and 30U and Coagulation 10U, 20U, and 30U)...
December 3, 2016: International Journal of Gynecological Cancer
https://www.readbyqxmd.com/read/27922674/2-hydroxycinnamaldehyde-induces-apoptosis-through-hsf1-mediated-bag3-expression
#20
Hai-Anh Nguyen, Soo-A Kim
BAG3, a member of BAG co-chaperone family, is induced by stressful stimuli such as heat shock and heavy metals. Through interaction with various binding partners, BAG3 is thought to play a role in cellular adaptive responses against stressful conditions in normal and neoplastic cells. 2'-Hydroxycinnamaldehyde (HCA) is a natural derivative of cinnamaldehyde and has antitumor activity in various cancer cells. In the present study, for the first time, we identified that HCA induced BAG3 expression and BAG3-mediated apoptosis in cancer cells...
December 6, 2016: International Journal of Oncology
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