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https://www.readbyqxmd.com/read/28528300/treating-metastatic-triple-negative-breast-cancer-with-cd44-neuropilin-dual-molecular-targets-of-multifunctional-nanoparticles
#1
De-Sheng Liang, Wen-Jie Zhang, Ai-Ting Wang, Hai-Tao Su, Hai-Jun Zhong, Xian-Rong Qi
Metastasis of cancer makes up the vast majority of cancer-related deaths, and it usually initiates from tumor cells invasiveness and develops through tumor neovasculature. In this work, we have fabricated a CD44/neuropilin dual receptor-targeting nanoparticulate system (tLyP-1-HT NPs) with endogenous or FDA approved components for treating metastatic triple negative breast cancer (TNBC). The enhanced specific targeting of tLyP-1-HT NPs to both metastatic tumor cells and metastasis-supporting tumor neovasculature was contributed by means of CD44/neuropilin dual receptor-mediated interaction...
May 13, 2017: Biomaterials
https://www.readbyqxmd.com/read/28515087/fxyd5-dysadherin-may-mediate-metastatic-progression-through-regulation-of-the-%C3%AE-na-k-atpase-subunit-in-4t1-mouse-breast-cancer-model
#2
Irina Lubarski-Gotliv, Kuntal Dey, Yuri Kuznetsov, Vecheslav Kalchenco, Carol Asher, Haim Garty
FXYD5 is a Na(+)-K(+)-ATPase regulator, expressed in a variety of normal epithelia. In parallel, it has been found to be associated with several types of cancer and effect lethal outcome by promoting metastasis. However, the molecular mechanism underlying FXYD5 mediated invasion, was has not yet been identified. In this study, using in vivo 4T1 murine breast cancer model, we found that FXYD5 specific shRNA significantly inhibited lung cancer metastasis, without having a substantial effect on primary tumor growth...
May 17, 2017: American Journal of Physiology. Cell Physiology
https://www.readbyqxmd.com/read/28504716/vegfa-links-self-renewal-and-metastasis-by-inducing-sox2-to-repress-mir-452-driving-slug
#3
M Kim, K Jang, P Miller, M Picon-Ruiz, T M Yeasky, D El-Ashry, J M Slingerland
Cancer stem cells (CSC) appear to have increased metastatic potential, but mechanisms underlying this are poorly defined. Here we show that VEGFA induction of Sox2 promotes EMT and tumor metastasis. In breast lines and primary cancer culture, VEGFA rapidly upregulates SOX2 expression, leading to SNAI2 induction, EMT, increased invasion and metastasis. We show Sox2 downregulates miR-452, which acts as a novel metastasis suppressor to directly target the SNAI2 3'-untranslated region (3'-UTR). VEGFA stimulates Sox2- and Slug-dependent cell invasion...
May 15, 2017: Oncogene
https://www.readbyqxmd.com/read/28504249/treating-breast-cancer-metastasis-with-cabazitaxel-loaded-polymeric-micelles
#4
Tao Zhong, Bin He, Hai-Qiang Cao, Tao Tan, Hai-Yan Hu, Ya-Ping Li, Zhi-Wen Zhang
Cancer metastasis is the primary cause of high mortality in breast cancer patients. In this study, we loaded an anti-cancer drug, cabazitaxel (CTX), into polymeric micelles (CTX-loaded polymeric micelles, PCMs), and explored their therapeutic efficacy in breast cancer metastasis. The characteristics of PCMs were investigated, and their anti-metastatic efficacy was assessed using in vitro and in vivo evaluations. PCMs had an average diameter of 50.13±11.96 nm with a CTX encapsulation efficiency of 97.02%±0...
May 1, 2017: Acta Pharmacologica Sinica
https://www.readbyqxmd.com/read/28501990/tumor-staging-and-grading-a-primer
#5
Stacy M Telloni
Cancer staging and grading are used to predict the clinical behavior of malignancies, establish appropriate therapies, and facilitate exchange of precise information between clinicians. The internationally accepted criterion for cancer staging, the tumor-node-metastasis (TNM) system, includes: (1) tumor size and local growth (T), (2) extent of lymph node metastases (N), and (3) occurrence of distant metastases (M). Clinical stage is established before initiation of therapy and is determined by physical examination, laboratory findings, and imaging studies...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28500904/endometrial-adenocarcinoma-recurrence-presenting-with-tibial-metastasis-report-of-a-case
#6
Mehmet Salih Söylemez, Bahattin Kemah, Umut Perçem Orhan Söylemez, Bülent Kılıç, Korhan Ozkan
INTRODUCTION: Metastatic bone disease at extremities is mostly associated with lung, liver, prostat, thyriod or breast malignancies. There for surgeons generally tends to seek for a primary tumor originating from these organs. Herein a case of endometrial adenocarcinoma recurrence that presented with symptoms of tibial pain is described. PRESENTATION OF CASE: 59 year-old woman was admitted to our orthopaedic oncology unit with pain, swelling and tenderness at right cruris for two weeks without any trauma history...
April 18, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28500305/nsaids-use-and-reduced-metastasis-in-cancer-patients-results-from-a-meta-analysis
#7
Xiaoping Zhao, Zhi Xu, Haoseng Li
This meta-analysis investigated the relationship between non-steroidal anti-inflammatory drugs (NSAIDs) and lymph node/distant metastasis. Relevant sources were identified from MEDLINE, EMBASE, PubMed, and Cochrane Library. Studies that reported the odds ratio (OR)/risk ratio (RR)/hazard ratio (HR) with 95% confidence intervals (CIs) for the associations of interested outcomes were included. Pooled effect estimates were obtained by using random- or fixed-effect model depending on the heterogeneity across these studies...
May 12, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28498481/comparison-of-three-different-methods-for-the-detection-of-circulating-tumor-cells-in-mice-with-lung-metastasis
#8
Weifeng Xu, Bing Wu, Lengxi Fu, Junying Chen, Zeng Wang, Fei Huang, Jinrong Chen, Mei Zhang, Zhenhuan Zhang, Jingan Lin, Ruilong Lan, Ruiqing Chen, Wei Chen, Long Chen, Jinsheng Hong, Weijian Zhang, Yuxiong Ding, Paul Okunieff, Jianhua Lin, Lurong Zhang
Circulating tumor cells (CTCs) represent the key step of cancer cell dissemination. The alteration of CTCs correlates with the treatment outcome and prognosis. To enrich and identify CTCs from billions of blood cells renders a very challenging task, which triggers development of several methods, including lysis of RBC plus negative or positive enrichment using antibodies, and filter membrane or spiral microfluidics to capture CTCs. To compare the advantages of different enrichment methods for CTCs, we utilized the 4T1 breast cancer cells transfected with both green fluorescent protein (GFP) and luciferase to trace CTCs in the experimental lung metastasis model...
May 2, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28494797/ahnak-suppresses-tumour-proliferation-and-invasion-by-targeting-multiple-pathways-in-triple-negative-breast-cancer
#9
Bo Chen, Jin Wang, Danian Dai, Qingyu Zhou, Xiaofang Guo, Zhi Tian, Xiaojia Huang, Lu Yang, Hailin Tang, Xiaoming Xie
BACKGROUND: AHNAK, also known as desmoyokin, is a giant protein with the molecular size of approximately 700 kDa and exerts diverse functions in different types of cancer. RESULTS: In the present study, we demonstrated that AHNAK mRNA levels were down-regulated in 7 out of 8 human breast cancer cell lines, especially in triple - negative breast cancer (TNBC) cell lines. Moreover, in patients with TNBC, the expression of AHNAK gene was inversely correlated with the tumor status (P = 0...
May 12, 2017: Journal of Experimental & Clinical Cancer Research: CR
https://www.readbyqxmd.com/read/28492237/proline-metabolism-supports-metastasis-formation-and-could-be-inhibited-to-selectively-target-metastasizing-cancer-cells
#10
Ilaria Elia, Dorien Broekaert, Stefan Christen, Ruben Boon, Enrico Radaelli, Martin F Orth, Catherine Verfaillie, Thomas G P Grünewald, Sarah-Maria Fendt
Metastases are the leading cause of mortality in patients with cancer. Metastasis formation requires cancer cells to adapt their cellular phenotype. However, how metabolism supports this adaptation of cancer cells is poorly defined. We use 2D versus 3D cultivation to induce a shift in the cellular phenotype of breast cancer cells. We discover that proline catabolism via proline dehydrogenase (Prodh) supports growth of breast cancer cells in 3D culture. Subsequently, we link proline catabolism to in vivo metastasis formation...
May 11, 2017: Nature Communications
https://www.readbyqxmd.com/read/28489662/metastasis-of-a-renal-collecting-duct-adenocarcinoma-to-the-oral-cavity-after-tooth-extraction
#11
Suna Erkilic, Aydin Keskinruzgar, Zehra Bozdag, Omer Gunhan
Metastatic tumors rarely occur in the oral cavity. The most common of the oral metastases are lung cancers in males, and breast and genital cancers in females. The most common primary tumor metastasis to the oral cavity is from the lung, kidney, liver, prostate, and colorectal cancers. The metastatic lesions are similar to oral lesions such as pyogenic granuloma, giant cell lesions, gingival polyps, hemangioma, peripheral fibroma, and adenoid squamous cell carcinoma. Therefore, the diagnosis of primary tumors is challenging...
May 9, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28481877/cyp4a-in-tumor-associated-macrophages-promotes-pre-metastatic-niche-formation-and-metastasis
#12
X W Chen, T J Yu, J Zhang, Y Li, H L Chen, G F Yang, W Yu, Y Z Liu, X X Liu, C F Duan, H L Tang, M Qiu, C L Wang, H Zheng, J Yue, A M Guo, J Yang
Tumor-associated macrophages (TAMs) play an essential role in metastasis. However, what enables TAMs to have a superior capacity to establish pre-metastatic microenvironment in distant organs is unclear. Here we have begun to uncover the effects of cytochrome P450 (CYP) 4A in TAMs on lung pre-metastatic niche formation and metastasis. CYP4A(+) TAM infiltration was positively associated with metastasis, pre-metastatic niche formation and poor prognosis in breast cancer patients. The pharmacological inhibition of CYP4A reduced lung pre-metastatic niche formation (evidenced by a decrease in vascular endothelial growth factor receptor 1 positive (VEGFR1(+)) myeloid cell recruitment and pro-metastatic protein expression) and metastatic burden, accompanied with TAM polarization away from the M2 phenotype in spontaneous metastasis models of 4T1 breast cancer and B16F10 melanoma...
May 8, 2017: Oncogene
https://www.readbyqxmd.com/read/28473915/long-term-complete-response-in-a-breast-cancer-patient-with-skeletal-muscle-metastases-diagnosed-using-18f-fdg-pet
#13
Diana Bello-Roufai, Daniele G Soares, Khaldoun Kerrou, Ahmed Khalil, Sandrine Richard, Joseph Gligorov, Jean-Pierre Lotz
Common sites for metastatic spreading from breast cancer are bones, lungs and liver, the skeletal muscle being an unusual site. Although rare, when skeletal muscle metastases occur they are associated with a poor prognosis. These metastases are clinically difficult to diagnose since they can be found without pain symptoms. Radiologically, magnetic resonance imaging has been considered better than computed tomography for imaging of the muscles and has been the first procedure to use in case of muscle metastasis suspicion...
February 2017: Oxford Medical Case Reports
https://www.readbyqxmd.com/read/28473713/structure-aided-design-of-a-neu5gc-specific-lectin
#14
Christopher J Day, Adrienne W Paton, Melanie A Higgins, Lucy K Shewell, Freda E-C Jen, Benjamin L Schulz, Brock P Herdman, James C Paton, Michael P Jennings
Subtilase cytotoxin (SubAB) of Escherichia coli is an AB5 class bacterial toxin. The pentameric B subunit (SubB) binds the cellular carbohydrate receptor, α2-3-linked N-glycolylneuraminic acid (Neu5Gc). Neu5Gc is not expressed on normal human cells, but is expressed by cancer cells. Elevated Neu5Gc has been observed in breast, ovarian, prostate, colon and lung cancer. The presence of Neu5Gc is prognostically important, and correlates with invasiveness, metastasis and tumour grade. Neu5Gc binding by SubB suggests that it may have utility as a diagnostic tool for the detection Neu5Gc tumor antigens...
May 4, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28472761/outcomes-of-patients-with-inflammatory-breast-cancer-by-hormone-receptor-and-her2-defined-molecular-subtypes-a-population-based-study-from-the-seer-program
#15
Juanjuan Li, Yue Xia, Qi Wu, Shan Zhu, Chuang Chen, Wen Yang, Wen Wei, Shengrong Sun
BACKGROUND: The aim of this study was to evaluate the outcomes of patients with inflammatory breast cancer (IBC), with emphasis on the role of molecular subtypes and radiotherapy. METHODS: A retrospective cohort study to investigate overall survival (OS) and breast cancer-specific mortality (BCSM) in patients with IBC was conducted using data obtained by the Surveillance, Epidemiology, and End Results (SEER) program from 2010-2013. Cox multivariate regression was used to calculate the adjusted Hazard Ratios (aHR)...
April 19, 2017: Oncotarget
https://www.readbyqxmd.com/read/28464771/evaluation-of-fourteen-aurone-derivatives-as-potential-anti-cancer-agents
#16
Gheda Alsaif, Nadin Almosnid, Ian Hawkins, Zachary Taylor, Deborah L T Knott, Scott Handy, Elliot Altman, Ying Gao
BACKGROUND: Aurones are a sub-set of the flavone family that possess a number of biological activities, including anti-cancer, anti-inflammatory, anti-microbial, anti-parasitic and anti-viral. Due to their high availability, simple synthesis, and generally low toxicity, aurones could be attractive candidates for safer cancer drugs. This study aims to evaluate the anti-proliferation and anti-metastasis activity of a series of synthesized aurone derivatives. METHODS: A series of aurone derivatives with simple unsubstituted coumaranone (benzofuranone) fragments and a range of alkylidene fragments have been prepared and tested for anti-proliferation activity against human cancer cell lines A549 (lung), BT20 (breast) and MCF7 (breast), and anti-metastasis activity against A549...
May 1, 2017: Current Pharmaceutical Biotechnology
https://www.readbyqxmd.com/read/28462790/contemporary-spinal-oncology-treatment-paradigms-and-outcomes-for-metastatic-tumors-to-the-spine-a-systematic-review-of-breast-prostate-renal-and-lung-metastases
#17
REVIEW
Amy Yao, Christopher A Sarkiss, Travis R Ladner, Arthur L Jenkins
Metastatic spinal disease most frequently arises from carcinomas of the breast, lung, prostate, and kidney. Management of spinal metastases (SpM) is controversial in the literature. Recent studies advocate more aggressive surgical resection than older studies which called for radiation therapy alone, challenging previously held beliefs in conservative therapy. A literature search of the PubMed database was performed for spinal oncology outcome studies published in the English language between 2006 and 2016...
April 24, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/28457854/the-diagnostic-value-of-serum-tumor-markers-cea-ca19-9-ca125-ca15-3-and-tps-in-metastatic-breast-cancer
#18
Weigang Wang, Xiaoqin Xu, Baoguo Tian, Yan Wang, Lili Du, Ting Sun, Yanchun Shi, Xianwen Zhao, Jiexian Jing
This study aims to understand the diagnostic value of serum tumor markers carcinoembryonic antigen (CEA), cancer antigen 19-9 (CA19-9), cancer antigen 125 (CA125), cancer antigen 15-3 (CA15-3), and tissue polypeptide-specific antigen (TPS) in metastatic breast cancer (MBC). A total of 164 metastatic breast cancer patients in Shanxi Cancer Hospital were recruited between February 2016 and July 2016. 200 breast cancer patients without metastasis in the same period were randomly selected as the control group. The general characteristics, immunohistochemical, and pathological results were investigated between the two groups, and tumor markers were determined...
April 27, 2017: Clinica Chimica Acta; International Journal of Clinical Chemistry
https://www.readbyqxmd.com/read/28451426/sole-metastatic-pulmonary-nodules-from-breast-cancer-simulating-primary-lung-adenocarcinoma-two-case-reports
#19
Kunihiko Miyazaki, Hiroaki Satoh, Hiroko Watanabe, Toshihiro Shiozawa, Tomohiro Tamura, Mio Kawaguchi, Nobuyuki Hizawa
The characteristic radiological signs of primary lung adenocarcinoma include notching, lobulation, spicular formation, pleural indentation and a bronchus leading to the nodule (bronchus sign). However, metastatic tumors rarely display such characteristics. We herein present two cases of breast cancer with sole metastatic pulmonary tumors recurring ~20 years after surgery for breast cancer. These patients exhibited radiographic signs specific to primary lung adenocarcinoma. Pulmonary metastatic nodular lesions occur through hematogenous spread; therefore, obtaining pathological specimens by transbronchial biopsy may be challenging...
March 2017: Molecular and Clinical Oncology
https://www.readbyqxmd.com/read/28451022/-pleuropulmonary-metastases-originating-from-extra-thoracic-neoplasia
#20
Farid Badri, Salma Ait Batahar, Safae El Idrissi, Hafsa Sajiai, Hind Serhane, Lamyae Amro
The lungs receive the entire venous drainage of the body. This explains the high incidence of pleuropulmonary metastases originating from several cancers. The goal of this is to study the clinical manifestations of pleuro-pulmonary metastases originating from extra-thoracic cancers. We conducted a retrospective study of patients with pleuro-pulmonary metastasis whose data were collected in our department between January 2006 and december 2014. 76 patient medical records were studied. The average age was 50 years (aged 21-89 years) with a male predominance in 57...
2017: Pan African Medical Journal
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