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https://www.readbyqxmd.com/read/29453630/somatic-brca1-mutations-in-clinically-sporadic-breast-cancer-with-medullary-histological-features
#1
Markus Rechsteiner, Konstantin Dedes, Daniel Fink, Bernhard Pestalozzi, Bettina Sobottka, Holger Moch, Peter Wild, Zsuzsanna Varga
BACKGROUND: The role of somatic BRCA1/2 gene mutations in breast cancer is getting increasing attention in view of hereditary disease. The medullary phenotype and triple negative intrinsic subtypes are often, but not exclusively encountered in BRCA1 germline mutated breast cancer, whilst for BRCA2, no association to specific histological features are known. In this study, we addressed the relationship between morphological medullary phenotype and BRCA1/2 somatic mutations in breast cancer without known positive family anamnesis...
February 17, 2018: Journal of Cancer Research and Clinical Oncology
https://www.readbyqxmd.com/read/29453558/inorganic-nanoparticles-in-diagnosis-and-treatment-of-breast-cancer
#2
REVIEW
Cristina Núñez, Sergio Vázquez Estévez, María Del Pilar Chantada
Nanoparticles are being actively developed for biomolecular profiling of cancer biomarkers, tumor imaging in vivo, and targeted drug delivery. These nanotechnology-based techniques can be applied widely in the management of different malignant diseases, such as breast cancer. Although the number of different types of nanoparticles is increasing rapidly, most can be classified into two major types: particles that contain organic molecules as a major building material (such as dendrimers, micelles, liposomes and carbon nanotubes, and other polymers); and those that use inorganic elements, usually metals, as a core...
February 16, 2018: Journal of Biological Inorganic Chemistry: JBIC
https://www.readbyqxmd.com/read/29453409/a-potential-prognostic-long-noncoding-rna-signature-to-predict-recurrence-among-er-positive-breast-cancer-patients-treated-with-tamoxifen
#3
Kang Wang, Jie Li, Yong-Fu Xiong, Zhen Zeng, Xiang Zhang, Hong-Yuan Li
Limited predictable long noncoding RNA (lncRNA) signature was reported in tamoxifen resistance among estrogen receptor (ER)-positive breast cancer (BC) patients. The aim of this study was to identify and assess prognostic lncRNA signature to predict recurrence among ER-positive BC patients treated with tamoxifen. Cohorts from Gene Expression Omnibus (GEO) (n = 298) and The Cancer Genome Atlas (TCGA) (n = 160) were defined as training and validation cohort, respectively. BC relapse associated lnRNAs was identify within training cohort, and the predictable value of recurrence was assessed in both cohorts...
February 16, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29453240/arvinas-pfizer-team-up-on-protacs
#4
(no author information available yet)
Biotechnology startup Arvinas is developing proteolysis-targeting chimeras (PROTAC) that combat cancer by degrading disease-causing proteins. The company's first PROTACs will target prostate and breast cancers, and a recent deal with Pfizer will allow Arvinas to develop PROTACs for other cancer types.
February 16, 2018: Cancer Discovery
https://www.readbyqxmd.com/read/29453232/a-randomized-multicenter-phase-ii-study-of-docosahexaenoic-acid-in-patients-with-a-history-of-breast-cancer-premalignant-lesions-or-benign-breast-disease
#5
Ayca Gucalp, Xi K Zhou, Elise D Cook, Judy E Garber, Katherine D Crew, Julie R Nangia, Priya Bhardwaj, Dilip D Giri, Olivier Elemento, Akanksha Verma, Hanhan Wang, J Jack Lee, Lana A Vornik, Carrie Mays, Diane Weber, Valerie Sepeda, Holly O'Kane, Margaret Krasne, Samantha Williams, Patrick G Morris, Brandy M Heckman-Stoddard, Barbara K Dunn, Clifford A Hudis, Powel H Brown, Andrew J Dannenberg
Obesity, a cause of subclinical inflammation, is a risk factor for the development of postmenopausal breast cancer (BC) and is associated with poorer cancer outcomes. Docosahexaenoic acid (DHA), an omega-3 fatty acid, possesses anti-inflammatory properties. We hypothesized that treatment with DHA would reduce the expression of proinflammatory genes and aromatase, the rate-limiting enzyme for estrogen biosynthesis, in benign breast tissue of overweight/obese women. A randomized, placebo-controlled, double-blind phase II study of DHA given for 12 weeks to overweight/obese women with a history of stage I-III BC, DCIS/LCIS, Paget's disease, or proliferative benign breast disease was carried out...
February 16, 2018: Cancer Prevention Research
https://www.readbyqxmd.com/read/29453194/comparison-of-generic-fluorescent-markers-for-detection-of-extracellular-vesicles-by-flow-cytometry
#6
Leonie de Rond, Edwin van der Pol, Chi M Hau, Zoltan Varga, Auguste Sturk, Ton G van Leeuwen, Rienk Nieuwland, Frank A W Coumans
BACKGROUND: Extracellular vesicles (EVs) in biofluids are potential biomarkers of disease. To explore the clinical relevance of EVs, a specific generic EV marker would be useful, one that does not require antibodies and binds to all EVs. Here we evaluated 5 commonly used generic markers for flow cytometry. METHODS: Flow cytometry (A60-Micro, Apogee) was used to evaluate the ability of the generic EV markers calcein acetoxymethyl ester, calcein acetoxymethyl ester violet, carboxyfluorescein succinimidyl ester (CFSE), 4-(2-[6-(dioctylamino)-2-naphthalenyl]ethenyl)-1-(3-sulfopropyl)pyridinium (di-8-ANEPPS), and lactadherin to stain EVs from MCF7 human breast adenocarcinoma cell line-conditioned culture medium [epithelial cell adhesion molecule positive (EpCAM + )] or platelet EVs from human plasma [integrin β3 positive (CD61 + )]...
February 16, 2018: Clinical Chemistry
https://www.readbyqxmd.com/read/29451666/pilates-for-breast-cancer-a-systematic-review-and-meta-analysis
#7
Roberta Costa Espíndula, Gabriella Barbosa Nadas, Maria Inês da Rosa, Charlie Foster, Florentino Cardoso de Araújo, Antonio Jose Grande
INTRODUCTION: Breast cancer is the leading type of cancer causing death in women worldwide. The incidence of the disease is expected to grow worldwide due to the aging of the population and risk factors related to lifestyle behaviors. Considering the lifestyle of women with breast cancer before or after surgery, pilates exercise may be a complementary intervention additionally to standard treatment. OBJECTIVE: To analyze the efficacy of pilates compared to other exercises and to no exercise for women with breast cancer diagnosis...
November 2017: Revista da Associação Médica Brasileira
https://www.readbyqxmd.com/read/29450827/progression-free-survival-results-in-postmenopausal-asian-women-subgroup-analysis-from-a-phase-iii-randomized-trial-of-fulvestrant-500-mg-vs-anastrozole-1-mg-for-hormone-receptor-positive-advanced-breast-cancer-falcon
#8
Shinzaburo Noguchi, Matthew J Ellis, John F R Robertson, Jackie Thirlwell, Mehdi Fazal, Zhimin Shao
BACKGROUND: The international, phase III FALCON study (NCT01602380) in postmenopausal patients with hormone receptor-positive, locally advanced/metastatic breast cancer (LA/MBC) who had not received prior endocrine therapy, demonstrated statistically significant improvement in progression-free survival (PFS) for patients who received fulvestrant 500 mg vs anastrozole 1 mg. This subgroup analysis evaluated PFS in Asian (randomized in China, Japan, or Taiwan) and non-Asian patients from the FALCON study...
February 15, 2018: Breast Cancer: the Journal of the Japanese Breast Cancer Society
https://www.readbyqxmd.com/read/29450591/occurrence-of-pneumonitis-following-radiotherapy-of-breast-cancer-a-prospective-study
#9
Danijela Vasiljevic, Christoph Arnold, David Neuman, Katharina Fink, Marina Popovscaia, Irma Kvitsaridze, Meinhard Nevinny-Stickel, Markus Glatzer, Peter Lukas, Thomas Seppi
AIM: of this study is to determine the temporal resolution of therapy-induced pneumonitis, and to assess promoting factors in adjuvant treated patients with unilateral mammacarcinoma. PATIENTS AND METHODS: A total of 100 post-surgery patients were recruited. The cohort was treated by 2 field radiotherapy (2FRT; breast and chest wall, N = 75), 3 field radiotherapy (3FRT; + supraclavicular lymphatic region, N = 8), or with 4 field radiotherapy (4FRT; + parasternal lymphatic region, N = 17)...
February 15, 2018: Strahlentherapie und Onkologie: Organ der Deutschen Röntgengesellschaft ... [et Al]
https://www.readbyqxmd.com/read/29450494/comparison-of-the-performance-of-6-prognostic-signatures-for-estrogen-receptor-positive-breast-cancer-a-secondary-analysis-of-a-randomized-clinical-trial
#10
Ivana Sestak, Richard Buus, Jack Cuzick, Peter Dubsky, Ralf Kronenwett, Carsten Denkert, Sean Ferree, Dennis Sgroi, Catherine Schnabel, Frederick L Baehner, Elizabeth Mallon, Mitch Dowsett
Importance: Multiple molecular signatures are available for managing estrogen receptor (ER)-positive breast cancer but with little direct comparative information to guide the patient's choice. Objective: To conduct a within-patient comparison of the prognostic value of 6 multigene signatures in women with early ER-positive breast cancer who received endocrine therapy for 5 years. Design, Setting, and Participants: This retrospective biomarker analysis included 774 postmenopausal women with ER-positive ERBB2 (formerly HER2)-negative breast cancer...
February 15, 2018: JAMA Oncology
https://www.readbyqxmd.com/read/29449898/targeted-therapy-of-brain-metastases-latest-evidence-and-clinical-implications
#11
REVIEW
Rodica Di Lorenzo, Manmeet S Ahluwalia
Brain metastases (BM) occur in 20-40% of patients with cancer and 60-75% of patients with BM become symptomatic. Due to an aging population and advances in the treatment of primary cancers, patients are living longer and are more likely to experience complications from BM. The diagnosis of BM drastically worsens long-term survival rates, with multiple metastases being a poor prognostic factor. Until recently, the mainstay of treatment consisted of stereotactic radiosurgery (SRS), surgical resection, whole brain radiation therapy (WBRT), or a combination of these modalities...
December 2017: Therapeutic Advances in Medical Oncology
https://www.readbyqxmd.com/read/29449787/cumulative-receiver-operating-characteristics-for-analyzing-interaction-between-tissue-visfatin-and-clinicopathologic-factors-in-breast-cancer-progression
#12
Sin-Hua Moi, Yi-Chen Lee, Li-Yeh Chuang, Shyng-Shiou F Yuan, Fu Ou-Yang, Ming-Feng Hou, Cheng-Hong Yang, Hsueh-Wei Chang
Background: Visfatin has been reported to be associated with breast cancer progression, but the interaction between the visfatin and clinicopathologic factors in breast cancer progression status requires further investigation. To address this problem, it is better to simultaneously consider multiple factors in sensitivity and specificity assays. Methods: In this study, a dataset for 105 breast cancer patients (84 disease-free and 21 progressing) were chosen. Individual and cumulative receiver operating characteristics (ROC) were used to analyze the impact of each factor along with interaction effects...
2018: Cancer Cell International
https://www.readbyqxmd.com/read/29449740/does-v600e-braf-mutation-predict-vinorelbine-efficacy-a-proof-of-concept-from-a-lung-micropapillary-adenocarcinoma-metastatic-to-the-breast
#13
P Carassai, G Jocollé, G Donati, S Spinazzé, C Baiocco, P Baderna, A Martinet, F Lococo, F Migliaccio, G Rossi
BRAF mutations occur in about 3% of all lung adenocarcinomas and V600E missense mutation characterizes about half of BRAF -mutated lung adenocarcinomas and is significantly associated with micropapillary pattern and shorter disease-free and overall survival rates. In this report, we report a challenging case of a patient with a metastatic micropapillary adenocarcinoma of the lung harbouring V600E BRAF mutation who experienced a surprising protracted clinical response to metronomic vinorelbine. The possible association between the V600E BRAF mutation pathway and the effective use of vinca alkaloid is discussed...
December 2017: Pathologica
https://www.readbyqxmd.com/read/29449734/breast-granulomatosis-with-polyangiitis-mimicking-breast-cancer
#14
M C Mengoli, M Ragazzi, F Lococo, M A Mengoli, M C Balli, A Marchioni, G Rossi
Inflammatory lesions of the breast encompass primary reactive processes and local manifestation of systemic diseases. They are very rare and they are generally treated without resort to biopsy. Nevertheless they could be clinically challenge mimicking malignant process and needing surgery to reach a correct diagnosis. Here we describe a rare case of breast granulomatosis with polyangiitis, which presented with radiological and clinical alarming features that immediately raised the suspicious of malignancy leading to breast-conserving surgery...
December 2017: Pathologica
https://www.readbyqxmd.com/read/29449682/anatomic-and-terminological-description-and-processing-of-breast-pathologic-specimens-from-oncoplastic-large-volume-displacement-surgeries
#15
REVIEW
Yuanxin Liang, Stephen P Naber, Abhishek Chatterjee
Oncoplastic surgery provides breast cancer patients with greater aesthetic satisfaction without compromising disease-free survival or overall survival rate. Large volume displacement oncoplastic surgical techniques have become increasingly popular as a strategy for improving aesthetic outcomes and extending the option of breast conservation therapy. They often involve breast reduction or mastopexy reconstructive techniques to facilitate resection of large breast volumes on the side of the breast cancer and accompanied with symmetry contralateral breast reductions or mastopexies...
February 15, 2018: Modern Pathology: An Official Journal of the United States and Canadian Academy of Pathology, Inc
https://www.readbyqxmd.com/read/29449633/a-competitive-cell-permeable-peptide-impairs-nme-1-ndpk-a-and-prune-1-interaction-therapeutic-applications-in-cancer
#16
Veronica Ferrucci, Francesco Paolo Pennino, Roberto Siciliano, Fatemeh Asadzadeh, Massimo Zollo
The understanding of protein-protein interactions is crucial in order to generate a second level of functional genomic analysis in human disease. Within a cellular microenvironment, protein-protein interactions generate new functions that can be defined by single or multiple modes of protein interactions. We outline here the clinical importance of targeting of the Nme-1 (NDPK-A)-Prune-1 protein complex in cancer, where an imbalance in the formation of this protein-protein complex can result in inhibition of tumor progression...
February 15, 2018: Laboratory Investigation; a Journal of Technical Methods and Pathology
https://www.readbyqxmd.com/read/29449315/metaplastic-breast-cancer-in-a-patient-with-neurofibromatosis-type-1-and-somatic-loss-of-heterozygosity
#17
Lorena Suarez-Kelly, Keiko Akagi, Julie W Reeser, Eric Samorodnitsky, Matthew Reeder, Amy Smith, Sameek Roychowdhury, David E Symer, William E Carson
Metaplastic breast carcinoma (MBC) is rare and has a poor prognosis. Here we describe genetic analysis of a 41-year-old female patient with MBC and neurofibromatosis type I (NF1). She initially presented with pT3N1a, grade 3 MBC, but lung metastases were discovered subsequently. To identify the molecular cause of her NF1, we screened for germline mutations disrupting NF1 or SPRED1, revealing a heterozygous germline single nucleotide variant (SNV) in exon 21 of NF1 at c.2709G>A, chr17: 29556342. By report, this variant disrupts pre-mRNA splicing of NF1 transcripts...
February 15, 2018: Cold Spring Harbor Molecular Case Studies
https://www.readbyqxmd.com/read/29449123/early-impact-of-medicaid-expansion-and-quality-of-breast-cancer-care-in-kentucky
#18
Nicolas Ajkay, Neal Bhutiani, Bin Huang, Quan Chen, Jeffrey D Howard, Thomas C Tucker, Charles R Scoggins, Kelly M McMasters, Hiram C Polk
BACKGROUND: In January 2014, Kentucky expanded Medicaid coverage to include all individuals and families with incomes up to 33% above the federal poverty line. This study evaluated the early impact of Medicaid expansion on some aspects of the quality of breast cancer care in Kentucky. STUDY DESIGN: The Kentucky Cancer Registry was queried for all women aged 20 to 64 years diagnosed with breast cancer between 2011 and 2016. Demographic, tumor, and treatment characteristics were assessed for each year during this interval...
February 10, 2018: Journal of the American College of Surgeons
https://www.readbyqxmd.com/read/29447641/flame-figures-in-linear-iga-bullous-dermatosis-a-novel-histopathologic-finding
#19
E Fulton, F Jan, M J Zimarowski
BACKGROUND: Linear IgA bullous dermatosis (LABD) is an autoimmune subepidermal blistering disease usually with a neutrophil rich inflammatory infiltrate, and characterized by linear IgA deposition at the basement membrane zone (BMZ), and neutrophil predominant dermal inflammation. We report a case of LABD with numerous eosinophils and flame figure formation, a unique histopathologic finding not previously reported. A 69-year-old woman presented with a rapidly progressive, intensely pruritic rash over forearms, breasts, axillae, hips, and thighs...
November 15, 2017: Dermatology Online Journal
https://www.readbyqxmd.com/read/29446865/european-guidance-on-paediatric-use-of-probiotics-states-that-benefits-are-limited-to-several-conditions-and-urges-caution-with-specific-vulnerable-groups
#20
REVIEW
Iva Hojsak, Valentina Fabiano, Tudor Lucian Pop, Olivier Goulet, Gian Vincenzo Zuccotti, Fugen Cullu Çokuğraş, Massimo Pettoello-Mantovani, Sanja Kolaček
AIM: The use of probiotics has been covered by many guidelines, position papers and evidence-based recommendations, but few have referred to specific patient groups or clinical indications. This European study summarises recommendations and scientifically credited guidelines on the use of probiotics for children and provides practice points. METHODS: An expert panel was convened by the European Paediatric Association in June 2017 to define the relevant clinical questions for using probiotics in paediatric healthcare and review and summarise the guidelines, recommendations, position papers and high-quality evidence...
February 15, 2018: Acta Paediatrica
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