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Metastasic Breast Cancer

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https://www.readbyqxmd.com/read/29912729/in-vitro-effects-of-the-fs50-protein-from-salivary-glands-of-xenopsylla-cheopis-on-voltage-gated-sodium-channel-activity-and-motility-of-mda-mb-231-human-breast-cancer-cells
#1
Bei Zhang, Zhenghui Deng, Baishuang Zeng, Shilong Yang, Xin Chen, Xueqing Xu, Jiguo Wu
Voltage-gated sodium channel activity enhances the motility and oncogene expression of metastasic cancer cells that express a neonatal alternatively spliced form of the NaV1.5 isoform. We reported previously that FS50, a salivary protein from Xenopsylla cheopis, showed inhibitory activity against the NaV1.5 channel when assayed in HEK 293T cells and antiarrhythmia effects on rats and monkeys after induction of arrhythmia by BaCl2. This study aims to identify the effect of FS50 on voltage-gated sodium channel activity and the motility of MDA-MB-231 human breast cancer cells in vitro...
June 16, 2018: Anti-cancer Drugs
https://www.readbyqxmd.com/read/29912618/caloric-restriction-counteracts-chemotherapy-induced-inflammation-and-increases-response-to-therapy-in-a-triple-negative-breast-cancer-model
#2
Brittany A Simone, Ajay Palagani, Kimberly Strickland, Kevin Ko, Lianjin Jin, Meng Kieng Lim, Tu D Dan, Mak Sarich, Daniel A Monti, Massimo Cristofanilli, Nicole L Simone
Triple negative breast cancer (TNBC) is a heterogeneous disease that has no available targeted therapies. Previously, we have shown that caloric restriction (CR) can augment the effects of radiation therapy in a TNBC mouse model. To build upon this, we now present data regarding the combination of chemotherapy and CR in the same 4T1 model. Chemotherapy can induce inflammation that breeds resistance to therapy. We propose CR as a mechanism to decrease chemotherapy-induced inflammation and increase efficacy of therapy...
June 18, 2018: Cell Cycle
https://www.readbyqxmd.com/read/29911111/understanding-patterns-of-brain-metastasis-in-breast-cancer-and-designing-rational-therapeutic-strategies
#3
REVIEW
Evelyn M Brosnan, Carey K Anders
One of the most feared sequelae after a diagnosis of advanced breast cancer is development of metastases to the brain as this diagnosis can affect physical function, independence, relationships, quality of life, personality, and ultimately one's sense of self. The propensity to develop breast cancer brain metastases (BCBMs) varies by subtype, occurring in up to one half of those with triple negative breast cancer (TNBC), approximately a third of HER+ breast cancers and 14% in hormone positive disease. Median survival after BCBM diagnosis can be as short as 5 months in TNBC and 10-18 months in the other subtypes...
May 2018: Annals of Translational Medicine
https://www.readbyqxmd.com/read/29910637/combined-microwave-ablation-and-minimally-invasive-open-decompression-for-the-management-of-thoracic-metastasis-in-breast-cancer
#4
Bin Liu, Zhenchao Yuan, Chang Yuan Wei
Objective: The incidence rate of thoracic metastasis from breast cancer is increasing. Microwave ablation is one type of clinical therapy used to treat metastatic spine disease, although it can cause protein denaturation and immediate cell death, and coagulative necrosis can occur. Minimally invasive open decompression is associated with lower rates of surgical complications in comparison to traditional open surgery. Therefore, it is an alternative therapeutic option for spinal metastases...
2018: Cancer Management and Research
https://www.readbyqxmd.com/read/29909259/survival-benefit-of-surgical-removal-of-primary-tumor-in-patients-with-stage-iv-breast-cancer
#5
Hye Jin Kim, Eunyoung Kang, Jee Hyun Kim, Se Hyun Kim, Yu Jung Kim, In Ah Kim, Keun-Yong Eom, Su Min Chae, Kyu Min Kang, Eun Kyu Kim, Sung-Won Kim
BACKGROUND: Several studies have suggested that primary tumor removal improved overall survival for patients with stage IV breast cancer. However, the survival benefit of local treatment remains controversial. The purpose of the present study was to determine whether surgical removal of the primary tumor provides survival benefits to patients with stage IV breast cancer. PATIENTS AND METHODS: We retrospectively reviewed the medical records of 155 patients with an initial diagnosis of stage IV breast cancer at Seoul National University Bundang Hospital from 2003 to 2014...
May 28, 2018: Clinical Breast Cancer
https://www.readbyqxmd.com/read/29899550/using-deep-convolutional-neural-networks-to-identify-and-classify-tumor-associated-stroma-in-diagnostic-breast-biopsies
#6
Babak Ehteshami Bejnordi, Maeve Mullooly, Ruth M Pfeiffer, Shaoqi Fan, Pamela M Vacek, Donald L Weaver, Sally Herschorn, Louise A Brinton, Bram van Ginneken, Nico Karssemeijer, Andrew H Beck, Gretchen L Gierach, Jeroen A W M van der Laak, Mark E Sherman
The breast stromal microenvironment is a pivotal factor in breast cancer development, growth and metastases. Although pathologists often detect morphologic changes in stroma by light microscopy, visual classification of such changes is subjective and non-quantitative, limiting its diagnostic utility. To gain insights into stromal changes associated with breast cancer, we applied automated machine learning techniques to digital images of 2387 hematoxylin and eosin stained tissue sections of benign and malignant image-guided breast biopsies performed to investigate mammographic abnormalities among 882 patients, ages 40-65 years, that were enrolled in the Breast Radiology Evaluation and Study of Tissues (BREAST) Stamp Project...
June 13, 2018: Modern Pathology: An Official Journal of the United States and Canadian Academy of Pathology, Inc
https://www.readbyqxmd.com/read/29899537/preliminary-investigation-of-focused-ultrasound-facilitated-drug-delivery-for-the-treatment-of-leptomeningeal-metastases
#7
Meaghan A O'Reilly, Tricia Chinnery, My-Linh Yee, Sheng-Kai Wu, Kullervo Hynynen, Robert S Kerbel, Gregory J Czarnota, Kathleen I Pritchard, Arjun Sahgal
Leptomeningeal metastases (LM) are a serious complication of cancer in the central nervous system (CNS) and are diagnosed in approximately 5% of patients with solid tumors. Effective treatment using systemically administered therapeutics is hindered by the barriers of the CNS. Ultrasound can mediate delivery of drugs through these barriers. The goal of this study was to test the feasibility of using ultrasound-mediated drug delivery to improve the treatment of LM. LM was induced in the spinal cord of athymic rats by injecting HER2-expressing breast cancer cells into the subarachnoid space of the thoracic spine...
June 13, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29898744/osm-potentiates-preintravasation-events-increases-ctc-counts-and-promotes-breast-cancer-metastasis-to-the-lung
#8
Ken Tawara, Celeste Bolin, Jordan Koncinsky, Sujatha Kadaba, Hunter Covert, Caleb Sutherland, Laura Bond, Joseph Kronz, Joel R Garbow, Cheryl L Jorcyk
BACKGROUND: Systemic and chronic inflammatory conditions in patients with breast cancer have been associated with reduced patient survival and increased breast cancer aggressiveness. This paper characterizes the role of an inflammatory cytokine, oncostatin M (OSM), in the preintravasation aspects of breast cancer metastasis. METHODS: OSM expression levels in human breast cancer tissue samples were assessed using tissue microarrays, and expression patterns based on clinical stage were assessed...
June 14, 2018: Breast Cancer Research: BCR
https://www.readbyqxmd.com/read/29896402/oral-metastasis-of-renal-cell-carcinoma-mimicking-recurrence-of-excised-malignant-myoepithelioma-a-case-report
#9
Yoshihiro Morita, Takaki Iwagami, Chisato Kawakita, Yukiko Kusuyama, Atsuko Niki-Yonekawa, Nobuo Morita
Following breast and lung cancers, renal cell carcinoma (RCC) is the third most frequent cancer to metastasize to the head and neck region, though such cases are rarely reported. Distinguishing between malignant tumors of salivary gland origin and metastatic RCC is very important. The case of a 75-year-old man with an oral cavity lesion in the left buccal submucosa measuring 40×30 mm that had grown substantially over several weeks is presented. His medical history included left kidney cancer 26 years earlier and a malignant myoepithelioma of the left buccal region 7 years earlier...
July 2018: Molecular and Clinical Oncology
https://www.readbyqxmd.com/read/29896289/detection-of-ctcs-in-portal-vein-was-associated-with-intrahepatic-metastases-and-prognosis-in-patients-with-advanced-pancreatic-cancer
#10
Xiaoyu Liu, Changyu Li, Junhao Li, Tianzhu Yu, Guofeng Zhou, Jiemin Cheng, Guoping Li, Yang Zhou, Wenhui Lou, Xiaolin Wang, Gaoquan Gong, Lingxiao Liu, Yi Chen
Pancreatic cancer is amongst the most lethal malignancies with increasing incidence and mortality worldwide. Distant metastases, especially intrahepatic metastases, is the leading cause of death for pancreatic cancer. Circulating tumor cells (CTCs) are neoplastic cells released from the primary tumor into circulation, and play critical roles in metastases of various types of cancers. Though clinical studies showed that detection of CTCs in peripheral circulation was associated with worse prognosis in patients with breast cancer and hepatocellular carcinoma, detection CTCs in peripheral blood of pancreatic cancer was still challenging due to hepatic filtration and technical limitations...
2018: Journal of Cancer
https://www.readbyqxmd.com/read/29895974/multimodality-cellular-and-molecular-imaging-of-concomitant-tumour-enhancement-in-a-syngeneic-mouse-model-of-breast-cancer-metastasis
#11
Katie M Parkins, Veronica P Dubois, Amanda M Hamilton, Ashley V Makela, John A Ronald, Paula J Foster
The mechanisms that influence metastatic growth rates are poorly understood. One mechanism of interest known as concomitant tumour resistance (CTR) can be defined as the inhibition of metastasis by existing tumour mass. Conversely, the presence of a primary tumour has also been shown to increase metastatic outgrowth, termed concomitant tumour enhancement (CTE). The majority of studies evaluating CTR/CTE in preclinical models have relied on endpoint histological evaluation of tumour burden. The goal of this research was to use conventional magnetic resonance imaging (MRI), cellular MRI, and bioluminescence imaging to study the impact of a primary tumour on the development of brain metastases in a syngeneic mouse model...
June 12, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29892572/sialic-acid-metabolism-a-key-player-in-breast-cancer-metastasis-revealed-by-metabolomics
#12
Shao Thing Teoh, Martin P Ogrodzinski, Christina Ross, Kent W Hunter, Sophia Y Lunt
Metastatic breast cancer is currently incurable. It has recently emerged that different metabolic pathways support metastatic breast cancer. To further uncover metabolic pathways enabling breast cancer metastasis, we investigated metabolic differences in mouse tumors of differing metastatic propensities using mass spectrometry-based metabolomics. We found that sialic acid metabolism is upregulated in highly metastatic breast tumors. Knocking out a key gene in sialic acid metabolism, Cmas , inhibits synthesis of the activated form of sialic acid, cytidine monophosphate-sialic acid and decreases the formation of lung metastases in vivo ...
2018: Frontiers in Oncology
https://www.readbyqxmd.com/read/29892519/bone-targeted-agent-treatment-patterns-and-the-impact-of-bone-metastases-on-patients-with-advanced-breast-cancer-in-real-world-practice-in-six-european-countries
#13
Roger von Moos, Jean-Jacques Body, Alex Rider, Jonathan de Courcy, Debajyoti Bhowmik, Francesca Gatta, Guy Hechmati, Yi Qian
Background: Bone metastases (BMs) are common in patients with breast cancer and can lead to skeletal-related events (SREs), which are associated with increased pain and reduced quality of life (QoL). Bone-targeted agents (BTAs), like zoledronic acid and denosumab, reduce the incidence of SREs and delay progression of bone pain. Materials and methods: We evaluated the management of BMs and pain in six European countries (Belgium, France, Germany, Italy, Spain, and UK) using the Adelphi Breast Cancer Disease Specific Programme, which included a physician survey and patient-reported outcomes (PROs) to assess the impact of BMs on pain and QoL...
June 2018: Journal of Bone Oncology
https://www.readbyqxmd.com/read/29892149/a-preliminary-study-on-the-estimation-of-the-number-of-cancer-patients-eligible-for-hadron-therapy-in-iran-and-fars-province
#14
Mohammad Amin Hosseini, Mohammad Mohamadianpanah, Mohammad Zare-Bandeamiri, Mohammad Amin Mosleh-Shirazi
Hadron therapy (HT) with protons and carbon ions is an advanced radiotherapy technique. As the first report addressing this topic, the present study aimed to estimate the number of patients eligible for HT in Fars province and the whole of Iran. The data were collected through direct inspection of medical records of the patients treated at the Radiotherapy Department, Namazi Hospital, Shiraz, Iran in 2014. The patients who were treated with external-beam radiotherapy and declared to be a resident of Fars province were extracted from the medical records...
May 2018: Iranian Journal of Medical Sciences
https://www.readbyqxmd.com/read/29890379/androgen-receptor-expression-in-breast-cancer-what-differences-between-primary-tumor-and-metastases
#15
Giuseppe Bronte, Sara Bravaccini, Sara Ravaioli, Maurizio Puccetti, Emanuela Scarpi, Daniele Andreis, Maria Maddalena Tumedei, Samanta Sarti, Lorenzo Cecconetto, Elisabetta Pietri, Valeria De Simone, Roberta Maltoni, Massimiliano Bonafè, Dino Amadori, Andrea Rocca
Genomic studies have shown that the androgen receptor (AR) pathway plays an important role in some breast cancer subtypes. However few data are present on the concordance between AR expression in primary tumors and metastases. We investigated AR expression by using immunohistochemistry (IHC) in 164 primary tumors and 83 metastases, to explore its distribution in the different tumor subtypes and its concordance between the two sample types and according to sampling time. AR was more highly expressed in luminal A and B than HER2-positive and triple negative primary tumors...
June 8, 2018: Translational Oncology
https://www.readbyqxmd.com/read/29890364/oxygen-boosted-immunogenic-photodynamic-therapy-with-gold-nanocages-manganese-dioxide-to-inhibit-tumor-growth-and-metastases
#16
Ruijing Liang, Lanlan Liu, Huamei He, Zhikuan Chen, Zhiqun Han, Zhenyu Luo, Zhihao Wu, Mingbing Zheng, Yifan Ma, Lintao Cai
Metastatic triple-negative breast cancer (mTNBC) is an aggressive disease among women worldwide, characterized by high mortality and poor prognosis despite systemic therapy with radiation and chemotherapies. Photodynamic therapy (PDT) is an important strategy to eliminate the primary tumor, however its therapeutic efficacy against metastases and recurrence is still limited. Here, we employed a template method to develop the core-shell gold nanocage@manganese dioxide (AuNC@MnO2 , AM) nanoparticles as tumor microenvironment responsive oxygen producers and near-infrared (NIR)-triggered reactive oxygen species (ROS) generators for oxygen-boosted immunogenic PDT against mTNBC...
May 31, 2018: Biomaterials
https://www.readbyqxmd.com/read/29889460/evaluation-of-ischemic-stroke-patients-with-systemic-cancer
#17
Ufuk Emre, Taskin Gunes, Irem Pinar, Furuzan Kokturk, Esengul Liman, Orhan Yağiz
Background and purpose: In cancer patients, an ischemic stroke can be seen as both a direct effect of cancer and a complication of treatment. This condition can negatively affect the follow-up and treatment of these patients. For this research, we aimed to evaluate the clinical features, stroke types and etiological features of ischemic stroke patients with histories of cancer or found to have cancer during the aetiological investigation. Methods: We retrospectively evaluated 100 patients (57 males, 43 females) who were hospitalized with acute stroke and determined to have the presence of cancer or a cancer history during the aetiological investigation between 2011 and 2016...
May 30, 2018: Ideggyógyászati Szemle
https://www.readbyqxmd.com/read/29881714/mechanisms-and-therapy-for-cancer-metastasis-to-the-brain
#18
REVIEW
Federica Franchino, Roberta Rudà, Riccardo Soffietti
Advances in chemotherapy and targeted therapies have improved survival in cancer patients with an increase of the incidence of newly diagnosed brain metastases (BMs). Intracranial metastases are symptomatic in 60-70% of patients. Magnetic resonance imaging (MRI) with gadolinium is more sensitive than computed tomography and advanced neuroimaging techniques have been increasingly used in the detection, treatment planning, and follow-up of BM. Apart from the morphological analysis, the most effective tool for characterizing BM is immunohistochemistry...
2018: Frontiers in Oncology
https://www.readbyqxmd.com/read/29878901/dz-2384-has-a-superior-preclinical-profile-to-taxanes-for-the-treatment-of-triple-negative-breast-cancer-and-is-synergistic-with-anti-ctla-4-immunotherapy
#19
Cynthia Bernier, Ahmed Soliman, Michel Gravel, Matthew Dankner, Paul Savage, Kevin Petrecca, Morag Park, Peter M Siegel, Gordon C Shore, Anne Roulston
Triple-negative breast cancer (TNBC) is typically aggressive, difficult to treat, and commonly metastasizes to the visceral organs and soft tissues, including the lungs and the brain. Taxanes represent the most effective and widely used therapeutic class in metastatic TNBC but possess limiting adverse effects that often result in a delay, reduction, or cessation of their use. DZ-2384 is a candidate microtubule-targeting agent with a distinct mechanism of action and strong activity in several preclinical cancer models, with reduced toxicities...
June 6, 2018: Anti-cancer Drugs
https://www.readbyqxmd.com/read/29875927/descriptive-study-of-triple-negative-breast-cancer-in-eastern-algeria
#20
Haddad Souad, Frimeche Zahia, Lakehal Abdelhak, Sifi Karima, Satta Dalila, Abadi Noureddine
Introduction: Triple-negative breast cancer (TNBC) is characterized by the lack of estrogen receptor, progesterone receptor and human epidermal growth factor receptor-2 (HER-2) expression. It is aggressive and most common in African women. In this study we identified the frequency, clinical an pathological characteristics of this type in a cohort of women in Eastern Algeria. Methods: We conducted a retrospective study between January 2010 and December 2015 at the regional hospital of Constantine in eastern Algeria...
2018: Pan African Medical Journal
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