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https://www.readbyqxmd.com/read/28346430/il-17c-mediates-the-recruitment-of-tumor-associated-neutrophils-and-lung-tumor-growth
#1
C Jungnickel, L H Schmidt, L Bittigkoffer, L Wolf, A Wolf, F Ritzmann, A Kamyschnikow, C Herr, M D Menger, T Spieker, R Wiewrodt, R Bals, C Beisswenger
Chronic obstructive pulmonary disease (COPD) is associated with an increased risk for lung cancer and an aberrant microbiota of the lung. Microbial colonization contributes to chronic neutrophilic inflammation in COPD. Nontypeable Haemophilus influenzae (NTHi) is frequently found in lungs of stable COPD patients and is the major pathogen triggering exacerbations. The epithelial cytokine interleukin-17C (IL-17C) promotes the recruitment of neutrophils into inflamed tissues. The purpose of this study was to investigate the function of IL-17C in the pulmonary tumor microenvironment...
March 27, 2017: Oncogene
https://www.readbyqxmd.com/read/28344873/a-specific-immune-and-lymphatic-profile-characterizes-the-pre-metastatic-state-of-the-sentinel-lymph-node-in-patients-with-early-cervical-cancer
#2
Cédric Balsat, Silvia Blacher, Michael Herfs, Maureen Van de Velde, Nicolas Signolle, Philippe Sauthier, Charles Pottier, Stéphanie Gofflot, Marjolein De Cuypere, Philippe Delvenne, Frédéric Goffin, Agnès Noel, Frédéric Kridelka
The lymph node (LN) pre-metastatic niche is faintly characterized in lymphophilic human neoplasia, although LN metastasis is considered as the strongest prognostic marker of patient survival. Due to its specific dissemination through a complex bilateral pelvic lymphatic system, early cervical cancer is a relevant candidate for investigating the early nodal metastatic process. In the present study, we analyzed in-depth both the lymphatic vasculature and the immune climate of pre-metastatic sentinel LN (SLN), in 48 cases of FIGO stage IB1 cervical neoplasms...
2017: Oncoimmunology
https://www.readbyqxmd.com/read/28344166/micrornas-as-players-and-signals-in-the-metastatic-cascade-implications-for-the-development-of-novel-anti-metastatic-therapies
#3
REVIEW
Paolo Gandellini, Valentina Doldi, Nadia Zaffaroni
microRNAs (miRNAs) are small non-coding RNAs that negatively regulate gene expression at the post-transcriptional level. Increasing evidence emerging from human tumor preclinical models clearly indicates that specific miRNAs, collectively termed "metastamirs," play a functional role in different steps of the metastatic cascade, by exerting either pro- or anti-metastatic functions, and behave as signaling mediators to enable tumor cell to colonize a specific organ. miRNAs also actively participate in the proficient interaction of cancer cells with tumor microenvironment, either at the primary or at the metastatic site...
March 23, 2017: Seminars in Cancer Biology
https://www.readbyqxmd.com/read/28341702/nras-destines-tumor-cells-to-the-lungs
#4
Anastasios D Giannou, Antonia Marazioti, Nikolaos I Kanellakis, Ioanna Giopanou, Ioannis Lilis, Dimitra E Zazara, Giannoula Ntaliarda, Danai Kati, Vasileios Armenis, Georgia A Giotopoulou, Anthi C Krontira, Marina Lianou, Theodora Agalioti, Malamati Vreka, Maria Papageorgopoulou, Sotirios Fouzas, Dimitrios Kardamakis, Ioannis Psallidas, Magda Spella, Georgios T Stathopoulos
The lungs are frequently affected by cancer metastasis. Although NRAS mutations have been associated with metastatic potential, their exact role in lung homing is incompletely understood. We cross-examined the genotype of various tumor cells with their ability for automatic pulmonary dissemination, modulated NRAS expression using RNA interference and NRAS overexpression, identified NRAS signaling partners by microarray, and validated them using Cxcr1- and Cxcr2-deficient mice. Mouse models of spontaneous lung metastasis revealed that mutant or overexpressed NRAS promotes lung colonization by regulating interleukin-8-related chemokine expression, thereby initiating interactions between tumor cells, the pulmonary vasculature, and myeloid cells...
March 24, 2017: EMBO Molecular Medicine
https://www.readbyqxmd.com/read/28341420/brain-metastasization-of-breast-cancer
#5
REVIEW
Tânia Custódio-Santos, Mafalda Videira, Maria Alexandra Brito
Central nervous system metastases have been reported in 15-25% of breast cancer patients, and the incidence is increasing. Moreover, the survival of these patients is generally poor, with reports of a 1-year survival rate of 20%. Therefore, a better knowledge about the determinants of brain metastasization is essential for the improvement of the clinical outcomes. Here, we summarize the current data about the metastatic cascade, ranging from the output of cancer cells from the primary tumour to their colonization in the brain, which involves the epithelial-mesenchymal transition, invasion of mammary tissue, intravasation into circulation, and homing into and extravasation towards the brain...
March 21, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28339513/ultrasound-imaging-of-metastatic-colon-cancer-in-a-case-of-intractable-intercostal-neuralgia-scan-before-you-block
#6
Ke-Vin Chang, Wei-Ting Wu, Levent Özçakar
No abstract text is available yet for this article.
October 21, 2016: Pain Medicine: the Official Journal of the American Academy of Pain Medicine
https://www.readbyqxmd.com/read/28334277/in-bone-metastasis-mir-34a-5p-absence-inversely-correlates-with-met-expression-while-met-oncogene-is-unaffected-by-mir-34a-5p-in-non-metastatic-and-metastatic-breast-carcinomas
#7
Paola Maroni, Rossella Puglisi, Gianfranco Mattia, Alessandra Carè, Emanuela Matteucci, Paola Bendinelli, Maria Alfonsina Desiderio
The highlight of the molecular basis and therapeutic targets of the bone-metastatic process requires the identification of biomarkers of metastasis colonization. Here, we studied miR-34a-5p expression, and Met-receptor expression and localization in bone metastases from ductal breast carcinomas, and in ductal carcinomas without history of metastasis (20 cases). miR-34a-5p was elevated in non-metastatic breast carcinoma, intermediate in the adjacent tissue and practically absent in bone metastases, opposite to pair-matched carcinoma...
March 16, 2017: Carcinogenesis
https://www.readbyqxmd.com/read/28333202/risk-of-rectal-neoplasia-after-colectomy-and-ileorectal-anastomosis-for-ulcerative-colitis
#8
Mathieu Uzzan, Julien Kirchgesner, Nadia Oubaya, Aurélien Amiot, Jean-Marc Gornet, Philippe Seksik, Stéphane Nancey, Eddy Cotte, Matthieu Allez, Gilles Boschetti, David Laharie, Nicola de Angelis, Maria Nachury, Anne-Laure Pelletier, Vered Abitbol, Mathurin Fumery, Antoine Brouquet, Anthony Buisson, Romain Altwegg, Jacques Cosnes, Yves Panis, Xavier Treton
Introduction-: Colectomy can be required in the management of ulcerative colitis (UC). While ileal pouch anal-anastomosis (IPAA) is the recommended reconstruction technique, ileorectal anastomosis (IRA) is still performed and might present some advantages. However, the risk of rectal neoplasia might limit its indication. The aims of our study were to determine the incidence of rectal neoplasias following IRA for UC and to identify risk factors associated with rectal carcinomas. Methods-: We performed a multicenter retrospective study including patients who underwent IRA for UC from 1960 to 2014 in 13 centers...
February 21, 2017: Journal of Crohn's & Colitis
https://www.readbyqxmd.com/read/28331843/curative-effect-of-hf10-on-liver-and-peritoneal-metastasis-mediated-by-host-antitumor-immunity
#9
Yoshihiro Hotta, Hideki Kasuya, Itzel Bustos, Yoshinori Naoe, Toru Ichinose, Maki Tanaka, Yasuhiro Kodera
BACKGROUND: HF10 is a highly attenuated type 1 herpes simplex virus (HSV) with proven effective oncolytic effect. Previous investigations have demonstrated that colon cancer mice model treated with HF10 not only had better survival but were also resistant to the reimplantation of the antitumor effect mediated by host antitumor immunity. Importantly, it has also been noted that in mice with antitumors implanted on both sides of the back, an injection of HF10 on only one side strongly restrains not only the injected antitumor but also the non-injected ones...
2017: Oncolytic Virotherapy
https://www.readbyqxmd.com/read/28327965/carbon-dating-cancer-defining-the-chronology-of-metastatic-progression-in-colorectal-cancer
#10
H Lote, I Spiteri, L Ermini, A Vatsiou, A Roy, A McDonald, N Maka, M Balsitis, N Bose, M Simbolo, A Mafficini, A Lampis, J C Hahne, F Trevisani, Z Eltahir, G Mentrasti, C Findlay, Eaj Kalkman, M Punta, B Werner, S Lise, A Aktipis, C Maley, M Greaves, C Braconi, J White, M Fassan, A Scarpa, A Sottoriva, N Valeri
Background: HASH(0x37c5068) Patients often ask oncologists how long a cancer has been present before causing symptoms or spreading to other organs. The evolutionary trajectory of cancers can be defined using phylogenetic approaches but lack of chronological references makes dating the exact onset of tumours very challenging. Patients and Methods: HASH(0x37c4750) Here we describe the case of a colorectal cancer patient presenting with synchronous lung metastasis and metachronous thyroid, chest wall and urinary tract metastases over the course of five years...
February 23, 2017: Annals of Oncology: Official Journal of the European Society for Medical Oncology
https://www.readbyqxmd.com/read/28327275/a-population-based-study-of-outcomes-in-patients-with-gastrointestinal-neuroendocrine-tumours
#11
Todd McMullen, Akram Al-Jahdali, Christopher de Gara, Sunita Ghosh, Alexander McEwan, Daniel Schiller
BACKGROUND: Neuroendocrine tumours (NETs) are heterogeneous, with varying presentations and treatment options. To our knowledge, there are no randomized and few long-term studies of patient outcomes. The role of surgical and medical therapy for local, regional and metastatic disease continues to be evaluated in the literature. METHODS: We conducted a population-based search of the provincial cancer registry to identify patients with gastrointestinal NETs from the stomach, small intestine, colon and rectum diagnosed between 1990 and 2005 and assessed their outcomes...
April 1, 2017: Canadian Journal of Surgery. Journal Canadien de Chirurgie
https://www.readbyqxmd.com/read/28326306/cd44-a-multifunctional-cell-surface-adhesion-receptor-is-a-regulator-of-progression-and-metastasis-of-cancer-cells
#12
REVIEW
Linda T Senbanjo, Meenakshi A Chellaiah
CD44 is a cell surface adhesion receptor that is highly expressed in many cancers and regulates metastasis via recruitment of CD44 to the cell surface. Its interaction with appropriate extracellular matrix ligands promotes the migration and invasion processes involved in metastases. It was originally identified as a receptor for hyaluronan or hyaluronic acid and later to several other ligands including, osteopontin (OPN), collagens, and matrix metalloproteinases. CD44 has also been identified as a marker for stem cells of several types...
2017: Frontiers in Cell and Developmental Biology
https://www.readbyqxmd.com/read/28322989/role-of-micrornas-in-endocrine-cancer-metastasis
#13
Cilene Rebouças Lima, Cibele Crastequini Gomes, Marinilce Fagundes Santos
The deregulation of transcription and processing of microRNAs (miRNAs), as well as their function, has been involved in the pathogenesis of several human diseases, including cancer. Despite advances in therapeutic approaches, cancer still represents one of the major health problems worldwide. Cancer metastasis is an aggravating factor in tumor progression, related to increased treatment complexity and a worse prognosis. After more than one decade of extensive studies of miRNAs, the fundamental role of these molecules in cancer progression and metastasis is beginning to be elucidated...
March 18, 2017: Molecular and Cellular Endocrinology
https://www.readbyqxmd.com/read/28322096/cdx2-immunostaining-in-primary-and-metastatic-germ-cell-tumours-of-the-testis
#14
Fatma Oz Atalay, Berna Aytac Vuruskan, Hakan Vuruskan
Objective To evaluate the immunohistochemical staining pattern of caudal type homeobox 2 (CDX2) protein in germ cell tumours (GCTs) of the testis. Methods This study reassessed archival tissue samples collected from patients diagnosed with primary and metastatic testicular GCTs for CDX2 immunoreactivity using standard immunohistochemical techniques. Positive nuclear immunostaining was evaluated with regard to both the staining intensity and the extent of the staining. Results Tissue sections from primary and metastatic testicular GCTs ( n = 104), germ cell neoplasia in situ (GCNis) ( n = 5) and benign testicles ( n = 15) were analysed...
December 2016: Journal of International Medical Research
https://www.readbyqxmd.com/read/28319320/the-endochondral-bone-protein-chm1-sustains-an-undifferentiated-invasive-phenotype-promoting-lung-metastasis-in-ewing-sarcoma
#15
Kristina von Heyking, Julia Calzada-Wack, Stefanie Göllner, Frauke Neff, Oxana Schmidt, Tim Hensel, David Schirmer, Annette Fasan, Irene Esposito, Carsten Müller-Tidow, Poul H Sorensen, Stefan Burdach, Günther H S Richter
Ewing sarcomas (ES) are highly malignant, osteolytic bone or soft tissue tumors, which are characterized by EWS-ETS translocations and early metastasis to lung and bone. In this study, we investigated the role of the BRICHOS chaperone domain-containing endochondral bone protein chondromodulin I (CHM1) in ES pathogenesis. CHM1 is significantly over-expressed in ES, and chromosome immunoprecipitation (ChIP) data demonstrate CHM1 to be directly bound by an EWS-ETS translocation, EWS-FLI1. Using RNA interference we observed that CHM1 promoted chondrogenic differentiation capacity of ES cells but decreased the expression of osteolytic genes such as HIF1A, IL6, JAG1 and VEGF...
March 20, 2017: Molecular Oncology
https://www.readbyqxmd.com/read/28317047/biliary-metastasis-in-colorectal-cancer-confers-a-poor-prognosis-case-study-of-5-consecutive-patients
#16
Frederick Hong-Xiang Koh, Wang Shi, Ker-Kan Tan
The biliary duct is an extremely rare site for colon cancer metastasis. It often leads to a diagnostic dilemma, since primary cholangiocarcinoma (potentially treatable with surgery) has a similar presentation. This paper highlights our experience with 5 consecutive patients who had colon malignancy with biliary metastasis, and prognosis of their disease. Five patients, with a history of primary colon cancer since 2010, were identified to have biliary metastasis. Of these, 4 (80.0%) patients were male. The median time to diagnosis of biliary metastasis from diagnosis of colon cancer was 59...
February 2017: Ann Hepatobiliary Pancreat Surg
https://www.readbyqxmd.com/read/28316229/mucinous-carcinoma-with-extensive-signet-ring-cell-differentiation-a-case-report
#17
Hye Min Kim, Eun Kyung Kim, Ja Seung Koo
Breast cancers that present with mucin include mucinous carcinoma and carcinoma with signet ring cell differentiation. The former shows extracellular mucin and the latter shows abundant intracellular mucin. Here, we report a case of breast cancer showing both extracellular mucin and extensive signet ring cell differentiation due to abundant intracellular mucin. Unlike mucinous carcinoma, this case had the features of high-grade nuclear pleomorphism, high mitotic index, estrogen receptor negativity, progesterone receptor negativity, human epidermal growth factor receptor-2 positivity, and ductal type with positivity for E-cadherin...
March 2017: Journal of Pathology and Translational Medicine
https://www.readbyqxmd.com/read/28315202/validation-of-bevacizumab-therapy-effect-on-colon-cancer-subtypes-by-using-whole-body-imaging-in-mice
#18
Ivan Vuletic, Kedi Zhou, Hui Li, Huichen Bai, Xiangxi Meng, Sihao Zhu, Yichen Ding, Jun Li, Hongfang Sun, Qiushi Ren
PURPOSE: Preclinical imaging offers a useful tool for monitoring cancer biological behavior and therapy in vivo without the necessity of animal surgery. The following paper describes our examination of tumor progress and anti-angiogenic therapy with Bevacizumab on colon cancer subtypes (SW480 and SW620) by using different non-invasive real-time in vivo imaging techniques. PROCEDURES: Color Doppler ultrasound imaging (CDUI) was used to observe the formation of new blood vessels; a homemade fluorescence reflectance imaging (FRI) apparatus was mainly used to test the difference in VEGFR2 expression between the tumor subtypes...
March 17, 2017: Molecular Imaging and Biology: MIB: the Official Publication of the Academy of Molecular Imaging
https://www.readbyqxmd.com/read/28314765/no-back-seat-for-a-progression-event-k-ras-as-a-therapeutic-target-in-crc
#19
REVIEW
Emily J Poulin, Kevin M Haigis
KRAS is the most frequently mutated oncogene in human cancer and plays a central, although poorly understood, role in colorectal cancer (CRC) progression. In this issue of Genes & Development, Boutin and colleagues (pp. 370-382) present a new mouse model of CRC in which the expression of oncogenic K-RAS is regulated by doxycycline. Using this model, they demonstrate that continued expression of oncogenic K-RAS is required for the survival of primary and metastatic colon cancers and that oncogenic K-RAS activates TGF-β signaling to promote tumor invasion and metastasis...
February 15, 2017: Genes & Development
https://www.readbyqxmd.com/read/28300321/skeletal-colonization-by-breast-cancer-cells-is-stimulated-by-an-osteoblast-and-%C3%AE-2ar-dependent-neo-angiogenic-switch
#20
Patrick L Mulcrone, J Preston Campbell, Lise Clément-Demange, Ana Lia Anbinder, Alyssa R Merkel, Rolf A Brekken, Julie A Sterling, Florent Elefteriou
The skeleton is a common site for breast cancer metastasis. Although significant progress has been made to manage osteolytic bone lesions, the mechanisms driving the early steps of the bone metastatic process are still not sufficiently understood to design efficacious strategies needed to inhibit this process and offer preventative therapeutic options. Progression and recurrence of breast cancer, as well as reduced survival of patients with breast cancer, are associated with chronic stress, a condition known to stimulate sympathetic nerve outflow...
March 16, 2017: Journal of Bone and Mineral Research: the Official Journal of the American Society for Bone and Mineral Research
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