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https://www.readbyqxmd.com/read/28636539/chromatin-remodeling-protein-morc2-promotes-breast-cancer-invasion-and-metastasis-through-a-prd-domain-mediated-interaction-with-ctnnd1
#1
Xiao-Hong Liao, Ye Zhang, Wen-Jie Dong, Zhi-Min Shao, Da-Qiang Li
MORC family CW-type zinc finger 2 (MORC2) is a newly identified chromatin remodeling protein with emerging roles in the regulation of DNA damage response and gene transcription, but its mechanistic role in breast cancer development and progression remains unexplored. Here, we show that MORC2 promoted breast cancer invasion and metastasis and these effects depended on a proline-rich domain (PRD) within its carboxy-terminal region spanning residues 601-734. Induced expression of wild-type MORC2 did not significantly affect cell proliferation and cell-cycle progression, but promoted breast cancer cell migration and invasion in vitro and metastatic lung colonization in vivo...
June 16, 2017: Oncotarget
https://www.readbyqxmd.com/read/28634392/the-traditional-chinese-medicine-achyranthes-bidentata-and-our-de-novo-conception-of-its-metastatic-chemoprevention-from-phytochemistry-to-pharmacology
#2
Zhou Jiang, Jun Qian, Haiyan Dong, Jingyi Yang, Xiaobo Yu, Jianzhong Chen, Hongning Chen, Qing Shi, Lee Jia
Our recent biosystems analysis revealed similarities between embryonic implantation and cancer cell adhesion, which suggests that abortifacients may be good for safe and effective metastatic chemoprevention targeting circulating tumor cells (CTC). Here we test the hypothesis by using the well-known abortion herb Achyranthes bidentata Blume (A. bidentata). Five compounds were separated from the herb root. Among them, ginsenoside Ro was the most potent in inhibiting embryonic implantation within non-cytotoxic concentrations...
June 20, 2017: Scientific Reports
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
#3
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/28627611/epithelial-mesenchymal-transition-and-cancer-stem-cell-like-phenotype-induced-by-twist1-contribute-to-acquired-resistance-to-irinotecan-in-colon-cancer
#4
Yong Yang, Guoxin Wang, Dajian Zhu, Yanfeng Huang, Yong Luo, Pengfei Su, Xiaowu Chen, Qian Wang
Inherent and acquired chemoresistance reduce the effectiveness of irinotecan in the treatment of metastatic colorectal cancer (CRC). However, the molecular mechanisms underlying this resistance process are still unclear. Twist1 is one of the master transcription factors of epithelial-mesenchymal transition (EMT). Our previous study indicated that Twist1 is overexpressed in colon cancer tissues, and demonstrated that Twist1 plays a crucial role in the chemoresistance of CRC. In the present study, we further investigated how Twist1 contribute to acquired resistance to irinotecan in colon cancer...
June 14, 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/28627461/8-methoxypsoralen-reduces-akt-phosphorylation-induces-intrinsic-and-extrinsic-apoptotic-pathways-and-suppresses-cell-growth-of-sk-n-as-neuroblastoma-and-sw620-metastatic-colon-cancer-cells
#5
Magdalena Bartnik, Adrianna Sławińska-Brych, Aleksandra Żurek, Martyna Kandefer-Szerszeń, Barbara Zdzisińska
ETHNOPHARMACOLOGICAL RELEVANCE: 8-methoxypsoralen (8-MOP) is a furanocoumarin and an active compound of a traditional Egyptian medicinal plant Ammi majus L, whose juice/fruit has been used for many years in folk phototherapy for the treatment of vitiligo or a hyperproliferative skin disorder, psoriasis. 8-MOP together with UVA light is also used as an anticancer drug for the treatment of cutaneous T-cell lymphoma. However, furanocoumarins exert anticancer activity even without UV irradiation...
June 13, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28626399/sigmoid-adenocarcinoma-with-regional-scrotal-metastasis
#6
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/28623323/rufy3-interaction-with-foxk1-promotes-invasion-and-metastasis-in-colorectal-cancer
#7
Ruyi Xie, Jing Wang, Xuehua Liu, Liqing Wu, Hui Zhang, Weimei Tang, Yueqiao Li, Li Xiang, Ying Peng, Xiaoting Huang, Yang Bai, Guangnan Liu, Aimin Li, Yadong Wang, Ye Chen, Yuexin Ren, Guoxin Li, Wei Gong, Side Liu, Jide Wang
RUFY3 is highly expressed in brain tissue and has a role in neuronal development. Transcriptional factor FOXK1 is involved in cell growth and metabolism. We knew that RUFY3 or FOXK1 has been correlated with the malignant of tumor cells. However, the role of these molecules in colorectal cancer (CRC) progression remains unknown. We investigated the protein expression levels by Western blot, immunofluorescence and immunohistochemistry analyses. The migration and invasive abilities of CRC cells were assessed using shRNA-mediated inhibition in vitro and in vivo...
June 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28616794/long-term-survival-after-multidisciplinary-therapy-for-residual-gallbladder-cancer-with-peritoneal-dissemination-a-case-report
#8
Daisuke Kuga, Tomoki Ebata, Yukihiro Yokoyama, Tsuyoshi Igami, Gen Sugawara, Takashi Mizuno, Junpei Yamaguchi, Masato Nagino
BACKGROUND: Although surgical resection is the only curative treatment for gallbladder cancer (GBC), concomitant peritoneal dissemination is considered far beyond the scope of resection. We report a long-term survivor with a residual GBC with multiple peritoneal disseminations who underwent an extended resection after effective chemotherapy. CASE PRESENTATION: A 59-year-old male underwent an open cholecystectomy for Mirizzi syndrome at a local hospital. Because of severe inflammation, the gallbladder was perforated during surgery, ending in a piecemeal resection...
December 2017: Surgical Case Reports
https://www.readbyqxmd.com/read/28614831/liquid-biopsies-for-monitoring-temporal-genomic-heterogeneity-in-breast-and-colon-cancers
#9
Tiziana Venesio, Giulia Siravegna, Alberto Bardelli, Anna Sapino
Cancer is a spatial and temporal dynamic disease where differently evolving genetic clones are responsible for progression. In this landscape, the genomic heterogeneity of the primary tumours can be captured by deep-sequencing representative spatial samples. However, the recognition of genetic alterations responsible for tumour evolution remains a challenging task. Recently, the "liquid biopsy" was recognized as a powerful real-time approach for the molecular monitoring of this dynamic disease. The term "liquid biopsy" generally refers to the use of circulating (cell-free) tumour DNA (ctDNA) and circulating tumour cells (CTCs) as non-invasive biomarkers for the early diagnosis, prognosis, monitoring of clinical progression, and response to treatment in different types of tumours, including the highly genomic heterogeneous breast cancer...
June 15, 2017: Pathobiology: Journal of Immunopathology, Molecular and Cellular Biology
https://www.readbyqxmd.com/read/28614785/drag-reducing-polymers-decrease-hepatic-injury-and-metastases-after-liver-ischemia-reperfusion
#10
Samer Tohme, Marina V Kameneva, Hamza O Yazdani, Vikas Sud, Julie Goswami, Patricia Loughran, Hai Huang, Richard L Simmons, Allan Tsung
INTRODUCTION: Surgery, a crucial therapeutic modality in the treatment of solid tumors, can induce sterile inflammatory processes which can result in metastatic progression. Liver ischemia and reperfusion (I/R) injury, an inevitable consequence of hepatic resection of metastases, has been shown to foster hepatic capture of circulating cancer cells and accelerate metastatic growth. Efforts to reduce these negative consequences have not been thoroughly investigated. Drag reducing polymers (DRPs) are blood-soluble macromolecules that can, in nanomolar concentrations, increase tissue perfusion, decrease vascular resistance and decrease near-wall microvascular concentration of neutrophils and platelets thereby possibly reducing the inflammatory microenvironment...
May 31, 2017: Oncotarget
https://www.readbyqxmd.com/read/28612020/pattern-and-dynamics-of-distant-metastases-in-metastatic-colorectal-cancer
#11
Julian Walter Holch, Maximilian Demmer, Charlotte Lamersdorf, Marlies Michl, Christoph Schulz, Jobst Christian von Einem, Dominik Paul Modest, Volker Heinemann
BACKGROUND: Few studies report the incidence of metastatic patterns in colorectal cancer. Furthermore, little is known about dynamic aspects of these metastases during the course of disease. METHODS: This retrospective cohort study involved 385 patients who received anti-tumor treatment at our institution (Department of Medical Oncology, University Hospital Grosshadern, Ludwig-Maximilians-University Munich, Germany) for metastatic colorectal adenocarcinoma between 2007 and 2014...
March 2017: Visceral Medicine
https://www.readbyqxmd.com/read/28606725/do-packed-red-blood-cell-transfusions-really-worsen-oncologic-outcomes-in-colon-cancer
#12
Ramzi Amri, Anne M Dinaux, Lieve G J Leijssen, Hiroko Kunitake, Liliana G Bordeianou, David L Berger
BACKGROUND: Data from small retrospective studies have argued that perioperative packed red blood cell transfusions may increase the risk of developing metastatic recurrence in cancer patients. This study tests this assumption in a large cohort spanning a decade of operatively treated colon cancer patients. METHODS: All patients undergoing primary resection of a colon cancer at a tertiary care center between 2004-2014 (n = 1,423) were included in a retrospective review of a prospectively maintained data repository...
June 9, 2017: Surgery
https://www.readbyqxmd.com/read/28600709/cysteinyl-leukotriene-receptor-antagonists-inhibit-migration-invasion-and-expression-of-mmp-2-9-in-human-glioblastoma
#13
Pannaree Piromkraipak, Kant Sangpairoj, Wuttipong Tirakotai, Kulathida Chaithirayanon, Supeenun Unchern, Porntip Supavilai, Christopher Power, Pornpun Vivithanaporn
Glioblastoma is one of the most malignant and aggressive types of brain tumors. 5-lipoxygenase and cysteinyl leukotriene receptor 1 (CysLT1) play a role in human carcinogenesis. Leukotriene receptor antagonists (LTRAs), anti-asthmatic drugs with mild side effects, have anti-metastatic activity in epidermoid carcinoma, lung carcinoma, and colon cancers as well as neuroprotective effects. Herein, anti-migratory effects of two LTRAs, montelukast and zafirlukast, were investigated in glioblastoma cells. The level of CysLT1 in A172 cells was increased by 3...
June 9, 2017: Cellular and Molecular Neurobiology
https://www.readbyqxmd.com/read/28600504/amphiregulin-contained-in-nsclc-exosomes-induces-osteoclast-differentiation-through-the-activation-of-egfr-pathway
#14
Simona Taverna, Marzia Pucci, Marco Giallombardo, Maria Antonietta Di Bella, Mariacarmela Santarpia, Pablo Reclusa, Ignacio Gil-Bazo, Christian Rolfo, Riccardo Alessandro
Non-small cell lung cancer (NSCLC) remains the leading cause of cancer-related deaths worldwide. The majority of patients are diagnosed in advanced disease stage. Bone metastasis is the most frequent complication in NSCLC resulting in osteolytic lesions. The perfect balance between bone-resorbing osteoclasts and bone-forming osteoblasts activity is lost in bone metastasis, inducing osteoclastogenesis. In NSCLC, the epidermal growth factor receptor (EGFR) pathway is constitutively activated. EGFR binds Amphiregulin (AREG) that is overexpressed in several cancers such as colon, breast and lung...
June 9, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28600477/targeting-the-wnt-pathway-and-cancer-stem-cells-with-anti-progastrin-humanized-antibodies-a-major-breakthrough-for-k-ras-mutated-colorectal-cancer-treatment
#15
Alexandre Prieur, Monica Cappellini, Guillaume Habif, Marie-Paule Lefranc, Thibault Mazard, Eric Morency, Jean-Marc Pascussi, Maud Flaceliere, Nathalie Cahuzac, Berengere Vire, Benjamin Dubuc, Amandine Durochat, Pierre Liaud, Jérémy Ollier, Caroline Pfeiffer, Sophie Poupeau, Véronique Saywell, Chris Planque, Eric Assenat, Frédéric Bibeau, Jean-François Bourgaux, Pascal Pujol, Alain Sézeur, Marc Ychou, Dominique Joubert
<p>Patients with metastatic colorectal cancer (CRC) suffer from disease relapse mainly due to cancer stem cells (CSC). Interestingly, they have an increased level of blood progastrin, a tumor-promoting peptide essential for the self-renewal of colon CSCs, which is also a direct b-catenin/Tcf4 target gene. In this study we aimed to develop a novel targeted therapy to neutralize secreted progastrin in order to inhibit Wnt signaling, CSCs and reduce relapses.</p> Experimental Design: <p>Antibodies (monoclonal and humanized) directed against progastrin were produced and selected for target specificity and affinity...
June 9, 2017: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/28599138/colorectal-cancer-metastatic-disease-progression-in-australia-a-population-based-analysis
#16
Qingwei Luo, Dianne L O'Connell, Clare Kahn, Xue Qin Yu
BACKGROUND: No previous Australian population-based studies have described or quantified the progression of colorectal cancer (CRC) to metastatic disease. We describe patterns of progression to metastatic disease for an Australian cohort diagnosed with localised or regional CRC. METHODS: All localised and regional CRC cases in the New South Wales Cancer Registry diagnosed during 2000-2007 were followed to December 2011 for subsequent metastases (identified by subsequent disease episode notifications) or CRC death...
June 6, 2017: Cancer Epidemiology
https://www.readbyqxmd.com/read/28597139/hypoxia-and-bone-metastatic-disease
#17
REVIEW
Rachelle W Johnson, Miranda E Sowder, Amato J Giaccia
PURPOSE OF REVIEW: This review highlights our current knowledge of oxygen tensions in the bone marrow, and how low oxygen tensions (hypoxia) regulate tumor metastasis to and colonization of the bone marrow. RECENT FINDINGS: The bone marrow is a relatively hypoxic microenvironment, but oxygen tensions fluctuate throughout the marrow cavity and across the endosteal and periosteal surfaces. Recent advances in imaging have made it possible to better characterize these fluctuations in bone oxygenation, but technical challenges remain...
June 8, 2017: Current Osteoporosis Reports
https://www.readbyqxmd.com/read/28596940/histone-deacetylase-inhibitor-treatment-increases-the-expression-of-the-plasma-membrane-ca-2-pump-pmca4b-and-inhibits-the-migration-of-melanoma-cells-independent-of-erk
#18
Luca Hegedüs, Rita Padányi, Judit Molnár, Katalin Pászty, Karolina Varga, István Kenessey, Eszter Sárközy, Matthias Wolf, Michael Grusch, Zoltán Hegyi, László Homolya, Clemens Aigner, Tamás Garay, Balázs Hegedüs, József Tímár, Enikö Kállay, Ágnes Enyedi
Several new therapeutic options emerged recently to treat metastatic melanoma; however, the high frequency of intrinsic and acquired resistance among patients shows a need for new therapeutic options. Previously, we identified the plasma membrane Ca(2+) ATPase 4b (PMCA4b) as a metastasis suppressor in BRAF-mutant melanomas and found that mutant BRAF inhibition increased the expression of the pump, which then inhibited the migratory and metastatic capability of the cells. Earlier it was also demonstrated that histone deacetylase inhibitors (HDACis) upregulated PMCA4b expression in gastric, colon, and breast cancer cells...
2017: Frontiers in Oncology
https://www.readbyqxmd.com/read/28596815/next-generation-sequencing-traces-human-induced-pluripotent-stem-cell-lines-clonally-generated-from-heterogeneous-cancer-tissue
#19
Tetsuya Ishikawa
AIM: To investigate genotype variation among induced pluripotent stem cell (iPSC) lines that were clonally generated from heterogeneous colon cancer tissues using next-generation sequencing. METHODS: Human iPSC lines were clonally established by selecting independent single colonies expanded from heterogeneous primary cells of S-shaped colon cancer tissues by retroviral gene transfer (OCT3/4, SOX2, and KLF4). The ten iPSC lines, their starting cancer tissues, and the matched adjacent non-cancerous tissues were analyzed using next-generation sequencing and bioinformatics analysis using the human reference genome hg19...
May 26, 2017: World Journal of Stem Cells
https://www.readbyqxmd.com/read/28592624/prolonged-pemetrexed-infusion-plus-gemcitabine-in-refractory-metastatic-colorectal-cancer-preclinical-rationale-and-phase-ii-study-results
#20
Alessandro Passardi, Francesca Fanini, Livia Turci, Flavia Foca, Paola Rosetti, Silvia Ruscelli, Andrea Casadei Gardini, Martina Valgiusti, Claudio Dazzi, Maurizio Marangolo
LESSONS LEARNED: Difficulties in translating in vitro results into clinical practice are inevitable.Further efforts to verify the efficacy of alternative schedules of pemetrexed in solid tumors are encouraged. BACKGROUND: We investigated the cytotoxic activity of pemetrexed in combination with several drugs (gemcitabine, carboplatin, vinorelbine, and mitomycin C) using different exposure schedules in three colon cancer cell lines. The best results were obtained with the following schedule: a prolonged pemetrexed exposure followed by a 48-hour wash-out and then gemcitabine...
June 7, 2017: Oncologist
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