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Brain metastasis breast cancer

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https://www.readbyqxmd.com/read/28739740/global-analysis-of-mirna-mrna-interaction-network-in-breast-cancer-with-brain-metastasis
#1
Zhixin Li, Zhiqiang Peng, Siyu Gu, Junfang Zheng, Duiping Feng, Qiong Qin, Junqi He
BACKGROUND: MicroRNAs (miRNAs) have been linked to a number of cancer types including breast cancer. The rate of brain metastases is 10-30% in patients with advanced breast cancer which is associated with poor prognosis. The potential application of miRNAs in the diagnostics and therapeutics of breast cancer with brain metastasis is an area of intense interest. In an initial effort to systematically address the differential expression of miRNAs and mRNAs in primary breast cancer which may provide clues for early detection of brain metastasis, we analyzed the consequent changes in global patterns of gene expression in Gene Expression Omnibus (GEO) data set obtained by microarray from patients with in situ carcinoma and patients with brain metastasis...
August 2017: Anticancer Research
https://www.readbyqxmd.com/read/28739685/high-%C3%AE-v-integrin-level-of-cancer-cells-is-associated-with-development-of-brain-metastasis-in-athymic-rats
#2
Yingjen Jeffrey Wu, Michael A Pagel, Leslie L Muldoon, Rongwei Fu, Edward A Neuwelt
BACKGROUND/AIM: Brain metastases commonly occur in patients with malignant skin, lung and breast cancers resulting in high morbidity and poor prognosis. Integrins containing an αv subunit are cell adhesion proteins that contribute to cancer cell migration and cancer progression. We hypothesized that high expression of αv integrin cell adhesion protein promoted metastatic phenotypes in cancer cells. MATERIALS AND METHODS: Cancer cells from different origins were used and studied regarding their metastatic ability and intetumumab, anti-αv integrin mAb, sensitivity using in vitro cell migration assay and in vivo brain metastases animal models...
August 2017: Anticancer Research
https://www.readbyqxmd.com/read/28734793/hardware-failure-in-patients-with-metastatic-cancer-to-the-spine
#3
Rachel Pedreira, Nancy Abu-Bonsrah, A Karim Ahmed, Rafael De la Garza-Ramos, C Rory Goodwin, Ziya L Gokaslan, Justin Sacks, Daniel M Sciubba
BACKGROUND: The spine is the most common site of skeletal metastases, affecting approximately 30% of individuals with cancer. The aim of surgical treatment for metastatic spine disease is generally palliative to address pain and/or neurologic compromise, significantly improving patients' quality of life. Patients with metastatic spine disease, however, represent a vulnerable cohort and may have comorbidities or previous treatments that impair the structural integrity of spinal hardware...
July 19, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/28729678/tumor-ldh-a-expression-and-serum-ldh-status-are-two-metabolic-predictors-for-triple-negative-breast-cancer-brain-metastasis
#4
Tieying Dong, Zhaoliang Liu, Qijia Xuan, Zhuozhong Wang, Wenjie Ma, Qingyuan Zhang
There are limited therapeutic methods for triple negative breast cancer in the clinic, which is easy to progress into the brain to form metastatic lesions and evolve into the terminal stage. Because both the primary cancer and the brain metastasis have high glycolysis, we hypothesize that lactate dehydrogenase (LDH), which catalyzes the final step of glycolysis, may be a predictor, as well as a treatment target, for breast cancer brain metastasis. Therefore, the expression of LDH-A was detected on 119 triple negative breast cancer tissues with immunohistochemistry, and the serum LDH levels were also measured...
July 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28726172/combined-treatment-for-non-small-cell-lung-cancer-and-breast-cancer-patients-with-brain-metastases-with-whole-brain-radiotherapy-and-temozolomide-a-systematic-review-and-meta-analysis
#5
REVIEW
Jingru Tian, Yien Luo, Juanjuan Xiang, Jingqun Tang
Brain metastasis is the leading cause of death among advanced non-small cell lung cancer (NSCLC) and breast cancer patients. The standard treatment for brain metastases is radiotherapy. The combination of radiotherapy and chemotherapy has been tested. However, the management of brain metastases has yet to be successful. Here, we aimed to determine the efficacy and safety of whole brain radiotherapy (WBRT) alone or in combination with temozolomide (TMZ) in NSCLC and breast cancer patients with brain metastases...
July 19, 2017: Journal of Neuro-oncology
https://www.readbyqxmd.com/read/28720841/novel-immunohistochemistry-based-signatures-to-predict-metastatic-site-of-triple-negative-breast-cancers
#6
Sergey Klimov, Padmashree Cg Rida, Mohammed A Aleskandarany, Andrew R Green, Ian O Ellis, Emiel Am Janssen, Emad A Rakha, Ritu Aneja
BACKGROUND: Although distant metastasis (DM) in breast cancer (BC) is the most lethal form of recurrence and the most common underlying cause of cancer related deaths, the outcome following the development of DM is related to the site of metastasis. Triple negative BC (TNBC) is an aggressive form of BC characterised by early recurrences and high mortality. Athough multiple variables can be used to predict the risk of metastasis, few markers can predict the specific site of metastasis...
July 18, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/28713912/progesterone-suppresses-triple-negative-breast-cancer-growth-and-metastasis-to-the-brain-via-membrane-progesterone-receptor%C3%A2-%C3%AE
#7
Li Zhou, Wei Zhou, Hongwei Zhang, Yan Hu, Lei Yu, Yufei Zhang, Yanli Zhang, Shuang Wang, Peng Wang, Wei Xia
Progesterone plays an important role in mammary epithelial cell proliferation and differentiation. Evidence from experimental and clinical studies indicates that progesterone is a risk factor for breast cancer under certain conditions through binding nuclear progesterone receptor (PR). These mechanisms, however, are not applicable to triple-negative breast cancer (TNBC) due to the lack of PR in these cancers. In this study, we demonstrate that membrane progesterone receptor α (mPRα) is expressed in TNBC tissues and the expression level of mPRα is negatively associated with the TNM stage...
July 7, 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28712340/deep-sequencing-reveals-the-mitochondrial-dna-variation-landscapes-of-breast-to-brain-metastasis-blood-samples
#8
Rhiannon E McGeehan, Lewis A Cockram, D Timothy J Littlewood, Kathleen Keatley, Diana M Eccles, Qian An
Breast-to-brain metastasis (BBM) often represents a terminal event, due to the inability of many systemic treatments to cross the blood-brain barrier (BBB), rendering the brain a sanctuary site for tumour cells. Identifying genetic variations that can predict the patients who will develop BBM would allow targeting of adjuvant treatments to reduce risk while disease bulk is minimal. Germ-line genetic variations may contribute to whether a BBM forms by influencing the primary tumour subtype that presents, or by influencing the host response to the tumour or treatment regimen, or by facilitating transition of tumour cells across the BBB and establish a viable brain metastasis...
July 15, 2017: Mitochondrial DNA. Part A. DNA Mapping, Sequencing, and Analysis
https://www.readbyqxmd.com/read/28709114/isolated-pachymeningeal-metastasis-from-breast-cancer-clinical-features-and-prognostic-factors
#9
Mi Hwa Heo, Yoo Jin Cho, Hee Kyung Kim, Ji-Yeon Kim, Yeon Hee Park
PURPOSE: To evaluate the clinical features and prognoses of patients with isolated pachymeningeal metastasis (IPM) from breast cancer. METHODS: We reviewed the medical records of all patients with metastatic breast cancer (MBC) treated from January 2009 to August 2016. Eligibility criteria included diagnosis of pachymeningeal metastasis based on brain magnetic resonance imaging and histologic diagnosis of primary breast cancer. We excluded patients with concomitant parenchymal or leptomeningeal metastases...
July 11, 2017: Breast: Official Journal of the European Society of Mastology
https://www.readbyqxmd.com/read/28700334/anti-sstr2-peptide-based-targeted-delivery-of-potent-plga-encapsulated-3-3%C3%A2-diindolylmethane-nanoparticles-through-blood-brain-barrier-prevents-glioma-progression
#10
Stelitano Debora, Peche Leticia Yamila, Dalla Emiliano, Monte Martin, Piazza Silvano, Schneider Claudio
GTSE1 over-expression has been reported as a potential marker for metastasis in various types of malignancies, including breast cancer. Despite this, the transcriptional regulation of this protein and the causes of its misregulation in tumors remain largely unknown. The aims of this work were to elucidate how GTSE1 is regulated at the transcriptional level and to clarify the mechanism underlying GTSE1-dependent cell functions in triple-negative breast cancer (TNBC).Here, we identified GTSE1 as a novel target gene of the TEAD4 transcription factor, highlighting a role for the YAP and TAZ coactivators in the transcriptional regulation of GTSE1...
June 27, 2017: Oncotarget
https://www.readbyqxmd.com/read/28698809/p-rex1-expression-in-invasive-breast-cancer-in-relation-to-receptor-status-and-distant-metastatic-site
#11
Jonathan D Marotti, Kristen E Muller, Laura J Tafe, Eugene Demidenko, Todd W Miller
BACKGROUND: Phosphatidylinositol-3,4,5-trisphosphate-dependent Rac exchange factor 1 (P-Rex1) has been implicated in cancer growth, metastasis, and response to phosphatidylinositol 3-kinase (PI3K) inhibitor therapy. The aim of this study was to determine whether P-Rex1 expression differs between primary and metastatic human breast tumors and between breast cancer subtypes. DESIGN: P-Rex1 expression was measured in 133 specimens by immunohistochemistry: 40 and 42 primary breast tumors from patients who did versus did not develop metastasis, respectively, and 51 breast-derived tumors from metastatic sites (36 of which had matching primary tumors available for analysis)...
2017: International Journal of Breast Cancer
https://www.readbyqxmd.com/read/28698438/-ii-brain-metastasis-of-breast-cancer
#12
Hiroyuki Takei
No abstract text is available yet for this article.
June 2017: Gan to Kagaku Ryoho. Cancer & Chemotherapy
https://www.readbyqxmd.com/read/28698102/neonatal-nav1-5-protein-expression-in-normal-adult-human-tissues-and-breast-cancer
#13
Rezan Fahrioglu Yamaci, Scott P Fraser, Esra Battaloglu, Handan Kaya, Kamil Erguler, Christopher S Foster, Mustafa B A Djamgoz
Expression of the neonatal splice variant of the voltage-gated sodium channel α-subunit (VGSC) subtype Nav1.5 (nNav1.5), encoded by the gene SCN5A, was shown earlier to be upregulated in human breast cancer (BCa), both in vitro and in vivo. Channel activity promoted BCa invasion of Matrigel(®)in vitro and metastasis in vivo. Consequently, expression of nNav1.5 has been proposed as a functional biomarker of BCa cells with metastatic potential. Here, we have determined immunohistochemically both nNav1.5 and total VGSC (tVGSC) protein expression in a range of adult human tissues...
June 6, 2017: Pathology, Research and Practice
https://www.readbyqxmd.com/read/28693153/clinical-outcome-of-brain-metastases-differs-significantly-among-breast-cancer-subtypes
#14
Nadja E Oehrlich, Loukia M Spineli, Frank Papendorf, Tjoung-Won Park-Simon
Brain metastases in patients with breast cancer are associated with a poor survival rate. A small number of studies have challenged this premise, suggesting that survival times following brain metastasis differ significantly between breast cancer subtypes. In the current study, overall survival (OS), brain metastases-free survival (BMFS) and survival following brain metastases (SFBM) were found to be associated with the intrinsic breast cancer subtype. A total of 1,147 patients with invasive breast cancer who were treated at the Hannover Medical School between January 2004 and December 2010 were included, from which 54 patients with brain metastases were identified...
July 2017: Oncology Letters
https://www.readbyqxmd.com/read/28690660/a-case-of-breast-cancer-brain-metastasis-with-a-16-year-time-interval-without-evidence-of-cancer-recurrence
#15
Shoko Merrit Yamada, Yusuke Tomita, Soichiro Shibui, Takashi Kurokawa, Yasuhisa Baba
The median time of brain metastasis from the diagnosis of breast cancer is approximately 3 years. In this case report, a 69-year-old woman demonstrated cerebellar ataxia. Brain magnetic resonance imaging revealed enhanced lesions in bilateral cerebellar hemispheres. She had undergone surgery, radiation, and chemotherapy for uterine and breast cancer 24 years prior and 16 years prior, respectively. Although she had not received any anticancer treatment for 10 years, no recurrences were identified using whole body scans...
June 2017: Journal of Breast Cancer
https://www.readbyqxmd.com/read/28689012/locoregional-treatment-of-the-primary-tumor-in-patients-with-de-novo-stage-iv-breast-cancer-a-radiation-oncologist-s-perspective
#16
Seo Hee Choi, Jun Won Kim, Jinhyun Choi, Joohyuk Sohn, Seung Il Kim, Seho Park, Hyung Seok Park, Joon Jeong, Chang-Ok Suh, Ki Chang Keum, Yong Bae Kim, Ik Jae Lee
BACKGROUND: The aim of this study was to assess the outcomes of patients with de novo stage IV breast cancer after locoregional treatment (LRT) of primary site. PATIENTS AND METHODS: We studied 245 patients diagnosed with de novo stage IV breast cancer. LRT of the primary tumor (+ systemic therapy) was performed in 82 (34%) patients (surgery, 27; surgery + radiotherapy (RT), 46; and RT, 9). Among those undergoing surgery, 64 (88%) patients underwent mastectomy, and 9 (12%) patients underwent breast-conserving surgery (BCS)...
June 17, 2017: Clinical Breast Cancer
https://www.readbyqxmd.com/read/28674973/breast-cancer-subtype-and-stage-are-prognostic-of-time-from-breast-cancer-diagnosis-to-brain-metastasis-development
#17
Anurag Saraf, Christopher S Grubb, Mark E Hwang, Cheng-Hung Tai, Cheng-Chia Wu, Ashish Jani, Matthew E Lapa, Jacquelyn I S Andrews, Sierra Vanderkelen, Steven R Isaacson, Adam M Sonabend, Sameer A Sheth, Guy M McKhann, Michael B Sisti, Jeffrey N Bruce, Simon K Cheng, Eileen P Connolly, Tony J C Wang
Breast cancer brain metastasis (BCBM) is associated with high morbidity and mortality. Patients with breast cancer risk factors associated with rapid development of BCBM could potentially benefit from early brain metastasis screening. We retrospectively reviewed all BCBM patients treated with brain radiotherapy at our institution from 1997 to 2015. Interval time to BCBM was defined as date of pathologic breast cancer diagnosis to date of radiographic evidence of brain metastasis. Patients were stratified by breast cancer molecular subtype and stage at diagnosis...
July 3, 2017: Journal of Neuro-oncology
https://www.readbyqxmd.com/read/28659546/focused-ultrasound-treatment-present-and-future
#18
Keiichi Abe, Takaomi Taira
The discovery that ultrasound waves could be focused inside the skull and heated to high temperatures at a focal point goes back to 1944. However, because the skull causes the ultrasound waves to attenuate and scatter, it was believed that application of this technology would be difficult, and that it would be impossible to use this approach in the surgical treatment of intracranial diseases. Eventually, magnetic resonance image guided focused ultrasound (MRgFUS) surgery began being used to treat uterine fibroids, breast cancer and bone metastasis and locally confined prostate cancer...
June 28, 2017: Neurologia Medico-chirurgica
https://www.readbyqxmd.com/read/28649646/human-brain-metastatic-stroma-attracts-breast-cancer-cells-via-chemokines-cxcl16-and-cxcl12
#19
Brile Chung, Ali A Esmaeili, Sailesh Gopalakrishna-Pillai, John P Murad, Emily S Andersen, Naveen Kumar Reddy, Gayathri Srinivasan, Brian Armstrong, Caleb Chu, Young Kim, Tommy Tong, James Waisman, John H Yim, Behnam Badie, Peter P Lee
The tumor microenvironment is composed of heterogeneous populations of cells, including cancer, immune, and stromal cells. Progression of tumor growth and initiation of metastasis is critically dependent on the reciprocal interactions between cancer cells and stroma. Through RNA-Seq and protein analyses, we found that cancer-associated fibroblasts derived from human breast cancer brain metastasis express significantly higher levels of chemokines CXCL12 and CXCL16 than fibroblasts from primary breast tumors or normal breast...
2017: NPJ Breast Cancer
https://www.readbyqxmd.com/read/28645683/a-single-brain-metastasis-seen-on-68-ga-psma-pet-ct-in-recurrent-of-breast-cancer
#20
S S Medina-Ornelas, F O García-Pérez, C Medel-Gamez, E Paredes-Amoroto
No abstract text is available yet for this article.
June 20, 2017: Revista Española de Medicina Nuclear e Imagen Molecular
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