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Brain metastasis breast cancer

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https://www.readbyqxmd.com/read/29164052/development-of-novel-patient-derived-xenografts-from-breast-cancer-brain-metastases
#1
María J Contreras-Zárate, D Ryan Ormond, Austin E Gillen, Colton Hanna, Nicole L Day, Natalie J Serkova, Britta M Jacobsen, Susan M Edgerton, Ann D Thor, Virginia F Borges, Kevin O Lillehei, Michael W Graner, Peter Kabos, Diana M Cittelly
Brain metastases are an increasing burden among breast cancer patients, particularly for those with HER2(+) and triple negative (TN) subtypes. Mechanistic insight into the pathophysiology of brain metastases and preclinical validation of therapies has relied almost exclusively on intracardiac injection of brain-homing cells derived from highly aggressive TN MDA-MB-231 and HER2(+) BT474 breast cancer cell lines. Yet, these well characterized models are far from representing the tumor heterogeneity observed clinically and, due to their fast progression in vivo, their suitability to validate therapies for established brain metastasis remains limited...
2017: Frontiers in Oncology
https://www.readbyqxmd.com/read/29164051/anti-inflammatory-microglia-macrophages-as-a-potential-therapeutic-target-in-brain-metastasis
#2
Kleopatra E Andreou, Manuel Sarmiento Soto, Danny Allen, Vasiliki Economopoulos, Axel de Bernardi, James R Larkin, Nicola R Sibson
Brain metastasis is a common complication of cancer patients and is associated with poor survival. Histological data from patients with brain metastases suggest that microglia are the major immune population activated around the metastatic foci. Microglia and macrophages have the ability to polarize to different phenotypes and to exert both tumorigenic and cytotoxic effects. However, the role of microglia/macrophages during the early stages of metastatic growth in the brain has not yet been determined. The aim of this study was to profile microglial/macrophage activation in a mouse model of breast cancer brain metastasis during the early stages of tumor growth, and to assess the role of the anti-inflammatory microglial/macrophage population, specifically, during this phase...
2017: Frontiers in Oncology
https://www.readbyqxmd.com/read/29142626/resection-and-observation-for-brain-metastasis-without-prompt-postoperative-radiation-therapy
#3
Tae-Wook Song, In-Young Kim, Shin Jung, Tae-Young Jung, Kyung-Sub Moon, Woo-Youl Jang
Objective: Total resection without consecutive postoperative whole brain radiation therapy is indicated for patients with a single or two sites of brain metastasis, with close follow-up by serial magnetic resonance imaging (MRI). In this study, we explored the effectiveness, usefulness, and safety of this follow-up regimen. Methods: From January 2006 to December 2015, a total of 109 patients (76 males, 33 females) underwent tumor resection as the first treatment for brain metastases (97 patients with single metastases, 12 with two metastases)...
November 2017: Journal of Korean Neurosurgical Society
https://www.readbyqxmd.com/read/29135607/targeting-the-perivascular-niche-in-brain-tumors
#4
Giorgio Seano
PURPOSE OF REVIEW: Brain tumors are composed of primary tumors of the central nervous system, such us glioblastoma (GBM), and secondary metastatic tumors, such as melanoma, non-Hodgkin lymphoma as well as lung and breast cancers. Brain tumors are highly deadly, and unfortunately not many improvements have been achieved to improve the survival of patients with brain tumors. Chemoradiation resistance is one of the most clinically relevant challenges faced in patients with brain tumors. The perivascular niche is one of the most relevant microenvironment hubs in brain tumors...
November 14, 2017: Current Opinion in Oncology
https://www.readbyqxmd.com/read/29130936/jak2-binding-long-noncoding-rna-promotes-breast-cancer-brain-metastasis
#5
Shouyu Wang, Ke Liang, Qingsong Hu, Ping Li, Jian Song, Yuedong Yang, Jun Yao, Lingegowda Selanere Mangala, Chunlai Li, Wenhao Yang, Peter K Park, David H Hawke, Jianwei Zhou, Yan Zhou, Weiya Xia, Mien-Chie Hung, Jeffrey R Marks, Gary E Gallick, Gabriel Lopez-Berestein, Elsa R Flores, Anil K Sood, Suyun Huang, Dihua Yu, Liuqing Yang, Chunru Lin
Conventional therapies for breast cancer brain metastases (BCBMs) have been largely ineffective because of chemoresistance and impermeability of the blood-brain barrier. A comprehensive understanding of the underlying mechanism that allows breast cancer cells to infiltrate the brain is necessary to circumvent treatment resistance of BCBMs. Here, we determined that expression of a long noncoding RNA (lncRNA) that we have named lncRNA associated with BCBM (Lnc-BM) is prognostic of the progression of brain metastasis in breast cancer patients...
November 13, 2017: Journal of Clinical Investigation
https://www.readbyqxmd.com/read/29130109/deubiquitinase-usp9x-promotes-cell-migration-invasion-and-inhibits-apoptosis-of-human-pancreatic-cancer
#6
Li Liu, Dan Yao, Pengbo Zhang, Weichao Ding, Xiuzhong Zhang, Chong Zhang, Shuai Gong, Yi Zhang, Jike Wang, Ting Sun, Zeqiang Ren
Ubiquitin specific peptidase 9, X-linked (USP9X), a significant regulatory protease in protein ubiquitination, has been proven to act as a proto-oncogene in several types of cancers, such as cervix, colon, breast, brain and lung cancers. The prognosis of patients with pancreatic ductal adenocarcinoma (PDAC) is extremely poor due to its high invasive and metastatic abilities. Nevertheless, whether USP9X acts as a proto-oncogene or a tumor-suppressor gene in PDAC is controversial and the mechanism of metastasis remains unknown...
December 2017: Oncology Reports
https://www.readbyqxmd.com/read/29103666/identification-of-single-nucleotide-polymorphisms-of-the-pi3k-akt-mtor-pathway-as-a-risk-factor-of-central-nervous-system-metastasis-in-metastatic-breast-cancer
#7
Emilie Le Rhun, Nicolas Bertrand, Aurélie Dumont, Emmanuelle Tresch, Marie-Cécile Le Deley, Audrey Mailliez, Matthias Preusser, Michael Weller, Françoise Revillion, Jacques Bonneterre
INTRODUCTION: The PI3K-AKT-mTOR pathway may be involved in the development of central nervous system (CNS) metastasis from breast cancer. Accordingly, herein we explored whether single nucleotide polymorphisms (SNPs) of this pathway are associated with altered risk of CNS metastasis formation in metastatic breast cancer patients. METHODS: The GENEOM study (NCT00959556) included blood sample collection from breast cancer patients treated in the neoadjuvant, adjuvant or metastatic setting...
November 2, 2017: European Journal of Cancer
https://www.readbyqxmd.com/read/29069785/-10-gingerol-induces-apoptosis-and-inhibits-metastatic-dissemination-of-triple-negative-breast-cancer-in-vivo
#8
Ana Carolina B M Martin, Angelina M Fuzer, Amanda B Becceneri, James Almada da Silva, Rebeka Tomasin, Delphine Denoyer, Soo-Hyun Kim, Katherine A McIntyre, Helen B Pearson, Belinda Yeo, Aadya Nagpal, Xiawei Ling, Heloisa S Selistre-de-Araújo, Paulo Cézar Vieira, Marcia R Cominetti, Normand Pouliot
There is increasing interest in the use of non-toxic natural products for the treatment of various pathologies, including cancer. In particular, biologically active constituents of the ginger oleoresin (Zingiber officinale Roscoe) have been shown to mediate anti-tumour activity and to contribute to the anti-inflammatory, antioxidant, antimicrobial, and antiemetic properties of ginger. Here we report on the inhibitory properties of [10]-gingerol against metastatic triple negative breast cancer (TNBC) in vitro and in vivo...
September 22, 2017: Oncotarget
https://www.readbyqxmd.com/read/29067217/liquid-biopsy-for-her2-positive-breast-cancer-brain-metastasis-the-role-of-the-cerebrospinal-fluid
#9
EDITORIAL
Leticia De Mattos-Arruda
No abstract text is available yet for this article.
2017: ESMO Open
https://www.readbyqxmd.com/read/29063238/metabolic-advantages-and-vulnerabilities-in-brain-metastases
#10
Alexandra K Ciminera, Rahul Jandial, John Termini
Metabolic adaptations permit tumor cells to metastasize to and thrive in the brain. Brain metastases continue to present clinical challenges due to rising incidence and resistance to current treatments. Therefore, elucidating altered metabolic pathways in brain metastases may provide new therapeutic targets for the treatment of aggressive disease. Due to the high demand for glucose in the brain, increased glycolytic activity is favored for energy production. Primary tumors that undergo Warburg-like metabolic reprogramming become suited to growth in the brain microenvironment...
October 23, 2017: Clinical & Experimental Metastasis
https://www.readbyqxmd.com/read/29061641/regional-delivery-of-chimeric-antigen-receptor-engineered-t-cells-effectively-targets-her2-breast-cancer-metastasis-to-the-brain
#11
Saul J Priceman, Dileshni Tilakawardane, Brook Jeang, John P Murad, Anthony K Park, Wen-Chung Chang, Julie R Ostberg, Josh Neman, Rahul Jandial, Jana Portnow, Stephen J Forman, Christine E Brown
PURPOSE: Metastasis to the brain from breast cancer remains a significant clinical challenge, and may be targeted with CAR-based immunotherapy. CAR design optimization for solid tumors is crucial due to the absence of truly restricted antigen expression and potential safety concerns with "on-target off-tumor" activity. Here, we have optimized HER2-CAR T cells for the treatment of breast to brain metastases, and determined optimal second generation CAR design and route of administration for xenograft mouse models of breast metastatic brain tumors, including multifocal and leptomeningeal disease...
October 23, 2017: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/29030916/identification-and-characterization-of-a-metastatic-suppressor-brms1l-as-a-target-gene-of-p53
#12
Ryota Koyama, Miyuki Tamura, Takafumi Nakagaki, Tomoko Ohashi, Masashi Idogawa, Hiromu Suzuki, Takashi Tokino, Yasushi Sasaki
The tumor suppressor p53 and its family members, p63 and p73, play a pivotal role in the cell fate determination in response to diverse upstream signals. As transcription factors, p53 family proteins regulate a number of genes that are involved in cell-cycle arrest, apoptosis, senescence, and maintenance of genomic stability. Recent studies revealed that p53 family proteins are important for the regulation of cell invasion and migration. Microarray analysis showed that breast cancer metastasis-suppressor 1- like (BRMS1L) is upregulated by p53 family proteins, specifically p53, TAp63γ, and TAp73β...
October 13, 2017: Cancer Science
https://www.readbyqxmd.com/read/29024707/gene-expression-profiling-of-brain-metastatic-cell-from-triple-negative-breast-cancer-understanding-the-molecular-events
#13
Li Zhou, Hong-Fang Gao, Ding-Sheng Liu, Jin-Yi Feng, Dan-Dan Gao, Wei Xia
Brain metastatic triple negative breast cancer (BM-TNBC) is afflicted with unfavorable prognosis. However, the molecular events underlying BM-TNBC remain largely unknown. In the present study, we conducted gene expression microarray analysis using the triple negative breast cancer cell line MDA-MB-231 and its brain metastatic derivative (MDA-MB-231Brm). Results of microarray analysis showed that a total of 4296 genes were differentially expressed, of which 2433 genes were up-regulated and 1863 genes were down-regulated...
January 15, 2018: Gene
https://www.readbyqxmd.com/read/29024674/optic-nerve-head-problem
#14
Rohan Verma, Kevin C Chen, Hema L Ramkumar, Michael H Goldbaum, Carol L Shields
A 68-year-old woman with a recent history of blurring in the left eye had undergone mastectomy for breast cancer twenty years ago. A series of bone metastases started five years after her diagnosis. Examination of the optic nerve head of the left eye revealed an isolated epipapillary mass. Indocyanine green angiography displayed vessels within the mass, and fluorescein angiography demonstrated hyperfluorescence of the mass from vascular leakage plus lobular spots of blocked fluorescence. B-scan ultrasound revealed a hyperechoic elevated nodular mass on the optic disc...
October 9, 2017: Survey of Ophthalmology
https://www.readbyqxmd.com/read/28988656/thirty-year-trends-of-survival-and-time-varying-effects-of-prognostic-factors-in-patients-with-metastatic-breast-cancer-a-single-institution-experience
#15
Bianca Rogoz, Agathe Houzé de l'Aulnoit, Alain Duhamel, Denis Houzé de l'Aulnoit
BACKGROUND: Metastatic breast cancer is generally considered an incurable disease. In our study we aimed to detect a time trend of survival over the past 30 years and account for time-varying effects of the prognostic factors. PATIENTS AND METHODS: A total of 446 patients diagnosed with breast cancer at Saint Vincent de Paul Hospital, Lille, France between 1977 and 2013 who developed metastatic disease after a disease-free interval longer than 3 months and were followed-up for outcome...
September 1, 2017: Clinical Breast Cancer
https://www.readbyqxmd.com/read/28986926/adam8-expression-in-breast-cancer-derived-metastases-functional-implications-on-mmp-9-expression-and-transendothelial-migration-in-breast-cancer-cells
#16
Catharina Conrad, Malena Götte, Uwe Schlomann, Marion Roessler, Axel Pagenstecher, Peter Anderson, Jane Preston, Jessica Pruessmeyer, Andreas Ludwig, Ran Li, Roger D Kamm, Rainer Ritz, Barbara Carl, Christopher Nimsky, Jörg W Bartsch
Metastatic breast cancer affects long-term survival and is a major cause of cancer death for women worldwide. The Metalloprotease-Disintegrin ADAM8 promotes breast cancer development and brain metastasis in a mouse breast cancer model. Here, abundant ADAM8 expression was detected in primary human breast tumors and associated brain metastases. To investigate the function of ADAM8 in metastasis, MB-231 breast cancer cells with ADAM8 knockdown (MB-231_shA8) and scramble control cells (MB-231_shCtrl) were analyzed for their capability to develop metastases...
October 7, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28986775/timeline-metastatic-progression-in-the-wake-of-the-%C3%A2-%C3%A2-seed-and-soil%C3%A2-%C3%A2-theory
#17
Aymeric Amelot, Louis-Marie Terrier, Jean-Jacques Mazeron, Charles-Ambroise Valery, Philippe Cornu, Alexandre Carpentier, Marc Leveque
Little is known about the natural history of cancer and its evolution to metastasis. Paget was the first to postulate the important role played by microenvironment in metastasis progression. Since, the concept of his "seed and soil" theory has been supported and confirmed. Understanding the chronology and natural course that underlie metastasis is mandatory to deepen this concept and to progress in the development of novel therapeutic strategies. A total of 413 patients who underwent treatment for brain metastasis (2013-2016) were included...
October 6, 2017: Medical Oncology
https://www.readbyqxmd.com/read/28980762/case-report-of-18-f-fluorodeoxyglucose-positron-emission-tomography-computed-tomography-imaging-of-a-patient-with-multiple-endocrine-gland-metastases-from-small-cell-lung-cancer
#18
Hongguang Zhao, Chenghe Lin, Benzheng Jiao, Ri Sa, Sen Hou, Songbai Xu
Synchronous multiple endocrine gland metastasis caused by small cell lung cancer (SCLC) is rare. A patient was investigated for primary cancer because of suspected brain metastasis on computed tomography (CT). Baseline (18) F-fluorodeoxyglucose (FDG) positron emission tomography (PET)-CT was positive in the lung and multiple endocrine glands (right thyroid, right breast, pancreatic body, right adrenal gland, and left ovary). Histopathology confirmed small cell lung cancer. The patient's symptoms were alleviated after chemotherapy and brain radiotherapy...
October 5, 2017: Thoracic Cancer
https://www.readbyqxmd.com/read/28980424/development-and-validation-of-a-nomogram-predicting-the-overall-survival-of-stage-iv-breast-cancer-patients
#19
Shunrong Li, Jianli Zhao, Liling Zhu, Fengxi Su, Kai Chen
This study aimed to develop a nomogram to predict the overall survival (OS) of stage IV breast cancer patients. We searched the National Cancer Database (NCDB) for stage IV breast cancer patients diagnosed between 2010 and 2013. Predictors of OS were identified and a nomogram was developed and validated using concordance index (C-index), calibration plots, and risk group stratifications. A total of 7199 patients from the NCDB were included in the study. With a median follow-up of 25.7 months, the 1-year and 3-year OS rates were 80...
November 2017: Cancer Medicine
https://www.readbyqxmd.com/read/28939952/2d-and-3d-texture-analysis-to-differentiate-brain-metastases-on-mr-images-proceed-with-caution
#20
Monika Béresová, Andrés Larroza, Estanislao Arana, József Varga, László Balkay, David Moratal
OBJECTIVE: To find structural differences between brain metastases of lung and breast cancer, computing their heterogeneity parameters by means of both 2D and 3D texture analysis (TA). MATERIALS AND METHODS: Patients with 58 brain metastases from breast (26) and lung cancer (32) were examined by MR imaging. Brain lesions were manually delineated by 2D ROIs on the slices of contrast-enhanced T1-weighted (CET1) images, and local binary patterns (LBP) maps were created from each region...
September 22, 2017: Magma
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