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https://www.readbyqxmd.com/read/28105147/fgfr3-silencing-by-sirna-inhibits-invasion-of-a549-cells
#1
Yuhua Li, Xiguang Liu, Hongjun Zhang, Tao Jiang, Wenjing Xiao, Shufen Zhao, Xiaoyun Yu, Fanjie Han
The present study identified that fibroblast growth factor receptor 3 (FGFR3) was significantly upregulated in bone metastasis of lung adenocarcinoma. RNA interference (RNAi) is a powerful approach for treating a wide range of human diseases, including cancer, through downregulating the expression of selected genes. In the present study, the invasiveness of A549 cells cultured in vitro was altered by small interfering (si)RNA targeting FGFR3, and the regulatory effect of silencing FGFR3 on the expression levels of E-cadherin and matrix metalloproteinase (MMP)9 was investigated...
December 2016: Oncology Letters
https://www.readbyqxmd.com/read/28103946/epcr-promotes-breast-cancer-progression-by-altering-spock1-testican-1-mediated-3d-growth
#2
Naiara Perurena, Carolina Zandueta, Susana Martínez-Canarias, Haritz Moreno, Silvestre Vicent, Ana S Almeida, Elisabet Guruceaga, Roger R Gomis, Marta Santisteban, Mikala Egeblad, José Hermida, Fernando Lecanda
BACKGROUND: Activated protein C/endothelial protein C receptor (APC/EPCR) axis is physiologically involved in anticoagulant and cytoprotective activities in endothelial cells. Emerging evidence indicates that EPCR also plays a role in breast stemness and human tumorigenesis. Yet, its contribution to breast cancer progression and metastasis has not been elucidated. METHODS: Transcriptomic status of EPCR was examined in a cohort of 286 breast cancer patients. Cell growth kinetics was evaluated in control and EPCR and SPARC/osteonectin, Cwcv, and kazal-like domains proteoglycan (SPOCK1/testican 1) silenced breast cancer cells in 2D, 3D, and in co-culture conditions...
January 19, 2017: Journal of Hematology & Oncology
https://www.readbyqxmd.com/read/28101678/breast-carcinoma-subtypes-show-different-patterns-of-metastatic-behavior
#3
István Artúr Molnár, Béla Ákos Molnár, Laura Vízkeleti, Krisztina Fekete, Judit Tamás, Péter Deák, Csilla Szundi, Borbála Székely, Judit Moldvay, Stefan Vári-Kakas, Marcell A Szász, Balázs Ács, Janina Kulka, Anna-Mária Tőkés
The aim of our retrospective study was to analyze patterns of subtype specific metastatic spread and to identify the time course of distant metastases. A consecutive series of 490 patients with breast cancer who underwent surgery and postoperative treatment at Semmelweis University, Hungary, and diagnosed between the years 2000 and 2007 was identified from the archives of the 2nd Department of Pathology, Hungary. Molecular subtypes were defined based on the 2011 St. Gallen recommendations. Statistical analysis was performed with SPSS Statistics for Windows, Version 22...
January 19, 2017: Virchows Archiv: An International Journal of Pathology
https://www.readbyqxmd.com/read/28089230/metastatic-fractures-of-long-limb-bones
#4
REVIEW
P Anract, D Biau, P Boudou-Rouquette
The diagnosis of pathological fracture should be considered routinely in patients with long limb-bone fractures. Investigations must be performed to establish the diagnosis of pathological fracture then to determine that the bone lesion is a metastasis. In over 85% of cases, the clinical evaluation combined with a detailed analysis of the radiographs is sufficient to determine that the fracture occurred at a tumour site. Aetiological investigations establish that the tumour is a metastasis. In some patients, the diagnosis of metastatic cancer antedates the fracture...
January 11, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/28076009/delineating-extramammary-findings-at-breast-mr-imaging
#5
Yiming Gao, Opeyemi Ibidapo, Hildegard K Toth, Linda Moy
Breast magnetic resonance (MR) imaging is the only breast imaging modality that consistently encompasses extramammary structures in the thorax and upper abdomen. Incidental extramammary findings on breast MR images of patients with a history of breast cancer or other malignancies are significantly more likely to be malignant and may affect staging and treatment. An understanding of the frequency, distribution, and context of extramammary findings on breast MR images and a familiarity with common and uncommon sites of breast cancer metastasis inform the differential diagnosis and prompt the appropriate diagnostic next step, to differentiate benign from malignant findings...
January 2017: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/28069070/successful-management-of-synchronous-recurrent-breast-carcinoma-with-chronic-myelogenous-leukemia-a-case-report
#6
Choukri Elm'hadi, Mohamed Reda Khmamouche, Rachid Tanz, Mehdi Toreis, ElMehdi Mahtat, Mohammed Allaoui, Mohammed Oukabli, Nezha Messaoudi, Hassan Errihani, Mohammed Ichou
BACKGROUND: Survival is increasing after early breast cancer revealing frequent relapses and possibility of developing secondary malignancies. The concomitant occurrence of these two events is exceptionally disastrous and lethal. We report a case of a Moroccan woman who was successfully managed for synchronous recurrent breast carcinoma and chronic myelogenous leukemia. CASE PRESENTATION: A 42-year-old Moroccan woman was diagnosed with localized breast carcinoma in 2008...
January 10, 2017: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/28061862/bulbar-conjunctival-metastasis-from-mucoepidermoid-carcinoma-of-parotid-a-case-report-and-review-of-literature
#7
Rajshri Yadav, Azhar J Battoo, Abdul W Mir, Altaf G Haji
BACKGROUND: Mucoepidermoid carcinoma of salivary glands usually metastasizes to the lungs, liver, bone, brain, and skin. We report a rare case of distant metastasis of high-grade mucoepidermoid carcinoma of the parotid to the ipsilateral bulbar conjunctiva of the eye. CASE PRESENTATION: Sixty-year-old male of Kashmiri origin presented to our tertiary care referral cancer institute with exophytic lesion of the left bulbar conjunctiva following his treatment for mucoepidermoid cancer of ipsilateral parotid gland, 9 months back...
January 7, 2017: World Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28061541/a-prospective-multicenter-phase-ii-trial-of-low-dose-erlotinib-as-maintenance-treatment-after-platinum-doublet-chemotherapy-for-advanced-non-small-cell-lung-cancer-harboring-egfr-mutation
#8
Satoshi Hirano, Go Naka, Yuichiro Takeda, Motoyasu Iikura, Noriko Hayama, Asako Yanagisawa, Hiroyuki Amano, Makoto Nakamura, Sukeyuki Nakamura, Hiroshi Tabeta, Haruhito Sugiyama
BACKGROUND: Maintenance therapy with full-dose erlotinib for patients with advanced non-small cell lung cancer (NSCLC) has demonstrated a significant overall survival (OS) benefit. However, 150 mg/day of erlotinib seems too toxic as maintenance therapy. This study aimed to evaluate the efficacy and safety of low-dose erlotinib (25 mg/day) as maintenance treatment after platinum doublet chemotherapy in NSCLC harboring epidermal growth factor receptor (EGFR) mutation. METHODS: Activated EGFR-mutation-positive NSCLC patients who did not progress after first-line platinum-doublet chemotherapy, ≥20 and ≤85 years old, with performance status (PS) 0-3 were included in this study...
December 2016: Chinese Clinical Oncology
https://www.readbyqxmd.com/read/28051153/the-metastasis-suppressor-rarres3-as-an-endogenous-inhibitor-of-the-immunoproteasome-expression-in-breast-cancer-cells
#9
Alison M Anderson, Murugan Kalimutho, Sarah Harten, Devathri M Nanayakkara, Kum Kum Khanna, Mark A Ragan
In breast cancer metastasis, the dynamic continuum involving pro- and anti-inflammatory regulators can become compromised. Over 600 genes have been implicated in metastasis to bone, lung or brain but how these genes might contribute to perturbation of immune function is poorly understood. To gain insight, we adopted a gene co-expression network approach that draws on the functional parallels between naturally occurring bone marrow-derived mesenchymal stem cells (BM-MSCs) and cancer stem cells (CSCs). Our network analyses indicate a key role for metastasis suppressor RARRES3, including potential to regulate the immunoproteasome (IP), a specialized proteasome induced under inflammatory conditions...
January 4, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28045610/evolving-treatment-of-oligometastatic-hormone-sensitive-prostate-cancer
#10
Jessica M Clement, Christopher J Sweeney
Oligometastatic disease was postulated by Hellman and Weichselbaum in 1995 to be a disease state that may reflect a time point in the malignant process that may be amenable to local therapies to allow for patients to achieve a durable response or possible cure despite having advanced disease. Aggressive metastasis-directed therapy has been used in malignancies such as renal cell carcinoma, non-small-cell lung cancer, and colorectal cancer with some evidence of long-term benefit in selected patients. Recently, it has been proposed that some men with oligometastatic hormone-sensitive prostate cancer may also benefit from metastasis-directed therapy...
January 3, 2017: Journal of Oncology Practice
https://www.readbyqxmd.com/read/28045433/functions-and-epigenetic-regulation-of-wwox-in-bone-metastasis-from-breast-carcinoma-comparison-with-primary-tumors
#11
REVIEW
Paola Maroni, Emanuela Matteucci, Paola Bendinelli, Maria Alfonsina Desiderio
Epigenetic mechanisms influence molecular patterns important for the bone-metastatic process, and here we highlight the role of WW-domain containing oxidoreductase (Wwox). The tumor-suppressor Wwox lacks in almost all cancer types; the variable expression in osteosarcomas is related to lung-metastasis formation, and exogenous Wwox destabilizes HIF-1α (subunit of Hypoxia inducible Factor-1, HIF-1) affecting aerobic glycolysis. Our recent studies show critical functions of Wwox present in 1833-osteotropic clone, in the corresponding xenograft model, and in human bone metastasis from breast carcinoma...
January 1, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28038448/the-prognosis-analysis-of-different-metastasis-pattern-in-patients-with-different-breast-cancer-subtypes-a-seer-based-study
#12
Haiyong Wang, Chenyue Zhang, Jingze Zhang, Li Kong, Hui Zhu, Jinming Yu
Studies on prognosis of different metastasis patterns in patients with different breast cancer subtypes (BCS) are limited. Therefore, we identified 7862 breast cancer patients with distant metastasis from 2010 to 2013 using Surveillance, Epidemiology, wand End Results (SEER) population-based data. The results showed that bone was the most common metastatic site and brain was the least common metastatic site, and the patients with HR+/HER2- occupied the highest metastasis proportion, the lowest metastasis proportion were found in HR-/HER2+ patients...
December 27, 2016: Oncotarget
https://www.readbyqxmd.com/read/28031519/remarkable-bone-formation-following-gefitinib-for-extensive-lytic-bone-metastasis-a-report-of-two-cases
#13
Elrofai Suliman Bashir, Angel Khor Nee Kwan, Chris Yin Wei Chan, Kwan Mun Keong
Gefitinib inhibits the epidermal growth factor receptor tyrosine kinase and improves survival in patients with non-small-cell lung cancer. We report 2 patients with extensive lytic bony metastasis in the spine and pelvis secondary to advanced pulmonary adenocarcinoma who were treated with gefitinib and had remarkable bone formation in the lytic bone lesions in the spine and pelvis. Surgery for stabilisation was avoided.
December 2016: Journal of Orthopaedic Surgery
https://www.readbyqxmd.com/read/28029019/osteoblasts-are-the-centerpiece-of-the-metastatic-bone-microenvironment
#14
REVIEW
Hyo Min Jeong, Sun Wook Cho, Serk In Park
The tumor microenvironment is comprised of diverse stromal cell populations in addition to tumor cells. Increasing evidence now clearly supports the role of microenvironment stromal cells in tumor progression and metastasis, yet the regulatory mechanisms and interactions among tumor and stromal cells remain to be elucidated. Bone metastasis is the major problem in many types of human malignancies including prostate, breast and lung cancers, and the biological basis of bone metastasis let alone curative approaches are largely undetermined...
December 2016: Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28027313/base-position-error-rate-analysis-of-next-generation-sequencing-applied-to-circulating-tumor-dna-in-non-small-cell-lung-cancer-a-prospective-study
#15
Nicolas Pécuchet, Eleonora Zonta, Audrey Didelot, Pierre Combe, Constance Thibault, Laure Gibault, Camille Lours, Yves Rozenholc, Valérie Taly, Pierre Laurent-Puig, Hélène Blons, Elizabeth Fabre
BACKGROUND: Circulating tumor DNA (ctDNA) is an approved noninvasive biomarker to test for the presence of EGFR mutations at diagnosis or recurrence of lung cancer. However, studies evaluating ctDNA as a noninvasive "real-time" biomarker to provide prognostic and predictive information in treatment monitoring have given inconsistent results, mainly due to methodological differences. We have recently validated a next-generation sequencing (NGS) approach to detect ctDNA. Using this new approach, we evaluated the clinical usefulness of ctDNA monitoring in a prospective observational series of patients with non-small cell lung cancer (NSCLC)...
December 2016: PLoS Medicine
https://www.readbyqxmd.com/read/28018973/inactivation-of-abl-kinases-suppresses-non-small-cell-lung-cancer-metastasis
#16
Jing Jin Gu, Clay Rouse, Xia Xu, Jun Wang, Mark W Onaitis, Ann Marie Pendergast
Current therapies to treat non-small cell lung carcinoma (NSCLC) have proven ineffective owing to transient, variable, and incomplete responses. Here we show that ABL kinases, ABL1 and ABL2, promote metastasis of lung cancer cells harboring EGFR or KRAS mutations. Inactivation of ABL kinases suppresses NSCLC metastasis to brain and bone, and other organs. ABL kinases are required for expression of prometastasis genes. Notably, ABL1 and ABL2 depletion impairs extravasation of lung adenocarcinoma cells into the lung parenchyma...
December 22, 2016: JCI Insight
https://www.readbyqxmd.com/read/28000200/-efficacy-and-safety-of-surgery-combined-with-hyperthermic-intraperitoneal-chemotherapy-in-the-treatment-of-advanced-gastric-cancer-a-meta-analysis
#17
Zhentian Ni, Chen Li, Chao Yan, Wentao Liu, Xuexin Yao, Mingmin Chen, Min Yan, Zhenggang Zhu
OBJECTIVE: To systematically evaluate the efficacy and safety of surgery combined with hyperthermic intraperitoneal chemotherapy (HIPEC) in the treatment of advanced gastric cancer (AGC). METHODS: Clinical control trials about the efficacy and safety of surgery combined with HIPEC in the treatment of advanced gastric cancer published before June 2014 were searched in Embase, PubMed, Cochrane Library, Wanfang database and CNKI database. Quality of enrolled articles was evaluated with the guidelines from Cochrane collaborative network...
December 25, 2016: Zhonghua Wei Chang Wai Ke za Zhi, Chinese Journal of Gastrointestinal Surgery
https://www.readbyqxmd.com/read/27999749/growth-and-metastasis-of-lung-adenocarcinoma-is-potentiated-by-bmp4-mediated-immunosuppression
#18
Limo Chen, Xiaohui Yi, Sangeeta Goswami, Young-Ho Ahn, Jonathon D Roybal, Yongbin Yang, Lixia Diao, Di Peng, David Peng, Jared J Fradette, Jing Wang, Lauren A Byers, Jonathan M Kurie, Stephen E Ullrich, F Xiao-Feng Qin, Don L Gibbons
Cancer cells modulate the recruitment and function of inflammatory cells to create an immunosuppressive microenvironment that favors tumor growth and metastasis. However, the tumor-derived regulatory programs that promote intratumoral immunosuppression remain poorly defined. Here, we show in a Kras(LA1/+)p53(R172HΔg/+)-based mouse model that bone morphogenetic protein-4 (BMP4) augments the expression of the T cell co-inhibitory receptor ligand PD-L1 in the mesenchymal subset of lung cancer cells, leading to profound CD8(+) T cell-mediated immunosuppression, producing tumor growth and metastasis...
2016: Oncoimmunology
https://www.readbyqxmd.com/read/27982029/galnt14-promotes-lung-specific-breast-cancer-metastasis-by-modulating-self-renewal-and-interaction-with-the-lung-microenvironment
#19
Ki-Hoon Song, Mi So Park, Tulip S Nandu, Shrikanth Gadad, Sang-Cheol Kim, Mi-Young Kim
Some polypeptide N-acetyl-galactosaminyltransferases (GALNTs) are associated with cancer, but their function in organ-specific metastasis remains unclear. Here, we report that GALNT14 promotes breast cancer metastasis to the lung by enhancing the initiation of metastatic colonies as well as their subsequent growth into overt metastases. Our results suggest that GALNT14 augments the self-renewal properties of breast cancer cells (BCCs). Furthermore, GALNT14 overcomes the inhibitory effect of lung-derived bone morphogenetic proteins (BMPs) on self-renewal and therefore facilitates metastasis initiation within the lung microenvironment...
December 16, 2016: Nature Communications
https://www.readbyqxmd.com/read/27959340/e-selectin-targeting-pegylated-thioaptamer-prevents-breast-cancer-metastases
#20
Yoshihiro Morita, Mohamed Kamal, Shin-Ae Kang, Roy Zhang, Ganesh Lr Lokesh, Varatharasa Thiviyanathan, Nafis Hasan, Sukyung Woo, Daniel Zhao, Macall Leslie, Stephen Suh, Wajeeha Razaq, Hallgeir Rui, David G Gorenstein, David E Volk, Takemi Tanaka
E-selectin is an adhesion molecule expressed on the luminal surface of inflamed blood vessels that mediates hematogenous metastasis by assisting shear-resistant adhesion of circulating tumor cells to the vessel surface under dynamic blood flow. Previously, we developed an E-selectin antagonistic thioaptamer (ESTA) for the prevention of hematogenous metastasis through the blockade of CD44(high) breast cancer cells (BCa) adhesion to E-selectin-expressing premetastatic endothelial niche. The current study focuses on developing a PEGylated E-selectin targeting thioaptamer with improved pharmaceutical properties...
December 13, 2016: Molecular Therapy. Nucleic Acids
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