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https://www.readbyqxmd.com/read/28351058/central-macular-thickness-monitoring-after-a-taxane-based-therapy-in-visually-asymptomatic-patients
#1
Elias Chelala, Nicolas Arej, Joelle Antoun, Hampig Raphael Kourie, Karen Zaarour, Fady Ghassan Haddad, Fadi Farhat, Fadi El Karak, Joseph Kattan
BACKGROUND: Taxanes are drugs used in various chemotherapeutical protocols to treat solid tumors. They have multiple systemic adverse effects, such as bone marrow suppression, alopecia, nausea, and vomiting, and may rarely cause ocular symptoms. In the past decade, a few reported cases have shown the occurrence of a cystoid macular edema with significant visual loss after the use of a taxane-based chemotherapy. The aim of this study was to compare the central macular thickness (CMT) before and after the initiation of a taxane-based therapy in visually asymptomatic patients and to elucidate the possible impact of these drugs on the vision of cancer patients...
March 29, 2017: Chemotherapy
https://www.readbyqxmd.com/read/28346100/robotic-mammosphere-assay-for-high-throughput-screening-in-triple-negative-breast-cancer
#2
P A Fitzpatrick, N Akrap, E M V Söderberg, H Harrison, G J Thomson, G Landberg
In order to identify novel treatment principles specifically affecting cancer stem cells in triple-negative breast cancer, we have developed a high-throughput screening method based on the mammosphere and anoikis resistance assays allowing us to screen compounds using a functional readout. The assay was validated against manual protocols and through the use of positive controls, such as the response to hypoxia and treatment with the known cancer stem cell-targeting compound salinomycin. Manual and robotic procedures were compared and produced similar results in cell handling, cell cultures, and counting techniques, with no statistically significant difference produced from either method...
February 1, 2017: SLAS Discov
https://www.readbyqxmd.com/read/28346099/development-of-novel-cell-lines-for-high-throughput-screening-to-detect-estrogen-related-receptor-alpha-modulators
#3
Christina T Teng, Jui-Hua Hsieh, Jinghua Zhao, Ruili Huang, Menghang Xia, Negin Martin, Xiaohua Gao, Darlene Dixon, Scott S Auerbach, Kristine L Witt, B Alex Merrick
Estrogen-related receptor alpha (ERRα), the first orphan nuclear receptor discovered, is crucial for the control of cellular energy metabolism. ERRα and its coactivator, peroxisome proliferator-activated receptor gamma coactivator 1-alpha (PGC-1α), are required for rapid energy production in response to environmental challenges. They have been implicated in the etiology of metabolic disorders such as type 2 diabetes and metabolic syndrome. ERRα also plays a role in the pathogenesis of breast cancer. Identification of compounds that modulate ERRα signaling may elucidate environmental factors associated with these diseases...
January 1, 2017: SLAS Discov
https://www.readbyqxmd.com/read/28345876/engineering-cellular-microenvironments-with-photo-and-enzymatically-responsive-hydrogels-toward-biomimetic-3d-cell-culture-models
#4
Roger Y Tam, Laura J Smith, Molly S Shoichet
Conventional cell culture techniques using 2D polystyrene or glass have provided great insight into key biochemical mechanisms responsible for cellular events such as cell proliferation, differentiation, and cell-cell interactions. However, the physical and chemical properties of 2D culture in vitro are dramatically different than those found in the native cellular microenvironment in vivo. Cells grown on 2D substrates differ significantly from those grown in vivo, and this explains, in part, why many promising drug candidates discovered through in vitro drug screening assays fail when they are translated to in vivo animal or human models...
March 27, 2017: Accounts of Chemical Research
https://www.readbyqxmd.com/read/28345831/anxiety-disorders-in-family-caregivers-of-breast-cancer-patients-receiving-oncologic-treatment-in-malaysia
#5
Siti Hazrah Selamat Din, Nik Ruzyanei Nik Jaafar, Hazli Zakaria, Suriati Mohamed Saini, Siti Nor Aizah Ahmad, Marhani Midin
Background: Anxiety is recognized as a normal psychological reaction of those caring for cancer patients. However, anxiety disorders in caregivers may interfere with their care-giving role and require further clinical attention. Objectives: To determine the prevalence and associated factors of anxiety disorders among caregivers of breast cancer patients receiving oncologic treatment in Kuala Lumpur Hospital. Methodology: A cross-sectional study was conducted on 130 caregiver-patient dyads, recruited by non-random sampling at Kuala Lumpur Hospital...
February 1, 2017: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/28343309/breast-cancer-detection-and-tumor-characteristics-in-brca1-and-brca2-mutation-carriers
#6
Julia Krammer, Katja Pinker-Domenig, Mark E Robson, Mithat Gönen, Blanca Bernard-Davila, Elizabeth A Morris, Debra A Mangino, Maxine S Jochelson
PURPOSE: To describe imaging findings, detection rates, and tumor characteristics of breast cancers in a large series of patients with BRCA1 and BRCA2 mutations to potentially streamline screening strategies. METHODS: An IRB-approved, HIPAA-compliant retrospective analysis of 496 BRCA mutation carriers diagnosed with breast carcinoma from 1999 to 2013 was performed. Institutional database and electronic medical records were reviewed for mammography and MRI imaging...
March 25, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28342662/use-of-brca-mutation-test-in-the-u-s-2004-2014
#7
Fangjian Guo, Jacqueline M Hirth, Yu-Li Lin, Gwyn Richardson, Lyuba Levine, Abbey B Berenson, Yong-Fang Kuo
INTRODUCTION: BRCA mutation testing has been used for screening women at high risk of breast and ovarian cancer and for selecting the best treatment for those with breast cancer. To optimize the infrastructure and medical resources allocation for genetic testing, it is important to understand the use of BRCA mutation testing in the U.S. health system. METHODS: This retrospective cohort study included 53,254 adult women with insurance claims for BRCA mutation testing between 2004 and 2014 from Clinformatics(TM) Data Mart Database...
March 18, 2017: American Journal of Preventive Medicine
https://www.readbyqxmd.com/read/28342058/galician-consensus-on-management-of-cardiotoxicity-in-breast-cancer-risk-factors-prevention-and-early-intervention
#8
J F Cueva, S Antolín, L Calvo, I Fernández, M Ramos, L de Paz, J G Mata, R López, M Constenla, E Pérez, A González, M L Pellón, S Varela, T López
This Galician consensus statement is a joint oncologists/cardiologists initiative indented to establish basic recommendations on how to prevent and to manage the cardiotoxicity in breast cancer with the aim of ensuring an optimal cardiovascular care of these patients. A clinical screening of the patients before treatment is recommended to stratify them into a determined risk group based on their intrinsic cardiovascular risk factors and those extrinsic arose from breast cancer therapy, thereby providing individualized preventive and monitoring measures...
March 24, 2017: Clinical & Translational Oncology
https://www.readbyqxmd.com/read/28340626/decision-making-for-breast-cancer-prevention-among-women-at-elevated-risk
#9
REVIEW
Tasleem J Padamsee, Celia E Wills, Lisa D Yee, Electra D Paskett
Several medical management approaches have been shown to be effective in preventing breast cancer and detecting it early among women at elevated risk: 1) prophylactic mastectomy; 2) prophylactic oophorectomy; 3) chemoprevention; and 4) enhanced screening routines. To varying extents, however, these approaches are substantially underused relative to clinical practice recommendations. This article reviews the existing research on the uptake of these prevention approaches, the characteristics of women who are likely to use various methods, and the decision-making processes that underlie the differing choices of women...
March 24, 2017: Breast Cancer Research: BCR
https://www.readbyqxmd.com/read/28340393/when-public-health-intervention-is-not-successful-cost-sharing-crowd-out-and-selection-in-korea-s-national-cancer-screening-program
#10
Hyuncheol Bryant Kim, Sun-Mi Lee
This study investigates the impact of and behavioral responses to cost sharing in Korea's National Cancer Screening Program, which provides free stomach and breast cancer screenings to those with an income below a certain cutoff. Free cancer screening substantially increases the screening take up rate, yielding more cancer detections. However, the increase in cancer detection is quickly crowded out by cancer detection through other channels such as diagnostic testing and private cancer screening. Further, compliers are much less likely to have cancer than never takers...
March 6, 2017: Journal of Health Economics
https://www.readbyqxmd.com/read/28339459/functional-classification-of-dna-variants-by-hybrid-minigenes-identification-of-30-spliceogenic-variants-of-brca2-exons-17-and-18
#11
Eugenia Fraile-Bethencourt, Beatriz Díez-Gómez, Valeria Velásquez-Zapata, Alberto Acedo, David J Sanz, Eladio A Velasco
Mutation screening of the breast cancer genes BRCA1 and BRCA2 identifies a large fraction of variants of uncertain clinical significance (VUS) whose functional and clinical interpretations pose a challenge for genomic medicine. Likewise, an increasing amount of evidence indicates that genetic variants can have deleterious effects on pre-mRNA splicing. Our goal was to investigate the impact on splicing of a set of reported variants of BRCA2 exons 17 and 18 to assess their role in hereditary breast cancer and to identify critical regulatory elements that may constitute hotspots for spliceogenic variants...
March 24, 2017: PLoS Genetics
https://www.readbyqxmd.com/read/28339037/the-long-non-coding-rna-lncfoxo1-suppresses-growth-of-human-breast-cancer-cells-through-association-with-bap1
#12
Jie Xi, Jing Feng, Qian Li, Xia Li, Saitian Zeng
Breast cancer, one of the common cancers of women, is the leading cause of death among women below the age of 50 years in western countries. Long non-coding RNAs (lncRNAs) have been shown to be involved in diverse biological processes, both physical and pathological. However, to date, only a few lncRNAs have been functionally identified in breast cancer, and the overall pathophysiological contributions of lncRNAs to breast cancer remain largely unknown. In the present study, we identified a novel lncRNA termed lncFOXO1 through microarray screening...
March 24, 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/28338653/breast-ductal-carcinoma-in-situ-carry-mutational-driver-events-representative-of-invasive-breast-cancer
#13
Jia-Min B Pang, Peter Savas, Andrew P Fellowes, Gisela Mir Arnau, Tanjina Kader, Ravikiran Vedururu, Chelsee Hewitt, Elena A Takano, David J Byrne, David Yh Choong, Ewan Ka Millar, C Soon Lee, Sandra A O'Toole, Sunil R Lakhani, Margaret C Cummings, G Bruce Mann, Ian G Campbell, Alexander Dobrovic, Sherene Loi, Kylie L Gorringe, Stephen B Fox
The spectrum of genomic alterations in ductal carcinoma in situ (DCIS) is relatively unexplored, but is likely to provide useful insights into its biology, its progression to invasive carcinoma and the risk of recurrence. DCIS (n=20) with a range of phenotypes was assessed by massively parallel sequencing for mutations and copy number alterations and variants validated by Sanger sequencing. PIK3CA mutations were identified in 11/20 (55%), TP53 mutations in 6/20 (30%), and GATA3 mutations in 9/20 (45%). Screening an additional 91 cases for GATA3 mutations identified a final frequency of 27% (30/111), with a high proportion of missense variants (8/30)...
March 24, 2017: Modern Pathology: An Official Journal of the United States and Canadian Academy of Pathology, Inc
https://www.readbyqxmd.com/read/28336582/high-mammographic-density-in-long-term-night-shift-workers-ddm-spain-var-ddm
#14
Ana Maria Pedraza-Flechas, Virginia Lope, Carmen Sánchez-Contador, Carmen Santamariña, Carmen Pedraz-Pingarrón, Pilar Moreo, María Ederra, Josefa Miranda-García, Carmen Vidal, Rafael Llobet, Nuria Aragonés, Dolores Salas-Trejo, Marina Pollán, Beatriz Pérez-Gómez
Background:Night-shift work (NSW) has been suggested as a possible cause of breast cancer (BC), and its association with mammographic density (MD), one of the strongest risk factors for BC, has been scarcely addressed. This study examined NSW and MD in Spanish women. Methods:The study covered 2752 women aged 45-68 years recruited in 2007-2008 in 7 population-based public BC screening centers, which included 243 women who had performed NSW for at least one year. Occupational data and information on potential confounders was collected by personal interview...
March 23, 2017: Cancer Epidemiology, Biomarkers & Prevention
https://www.readbyqxmd.com/read/28334835/screening-utilization-among-cancer-survivors-a-meta-analysis
#15
Annemarie Uhlig, Janet Mei, Inhye Baik, Christian Meyer, Johannes Uhlig
Background: Studies have been published showing both increased and decreased utilization of cancer screening services in cancer survivors compared with cancer-free counterparts. This study synthesizes existing evidence in a meta-analysis. Methods: A systematic literature review was conducted in August 2016. Studies were included if they compared the utilization of screening services for cervical, breast and colorectal cancer among adulthood cancer survivors to cancer-free controls...
March 14, 2017: Journal of Public Health
https://www.readbyqxmd.com/read/28332162/isolation-of-taxol-producing-endophytic-fungi-from-iranian-yew-through-novel-molecular-approach-and-their-effects-on-human-breast-cancer-cell-line
#16
Abdollah Kasaei, Mohsen Mobini-Dehkordi, Foruzandeh Mahjoubi, Behnaz Saffar
Taxol or paclitaxel, an approved drug by the Food and Drug Administration, is being used for the treatment of human cancers. This study aimed to isolate and determine different species of native endophytic fungi from Iranian Taxus baccata (yew) plants located in the northern forests of Iran. To do so, a novel molecular screening approach was performed for 50 isolated endophytic fungi through amplification of exon No. 1 of taxadine synthase as a key gene in taxol production pathway. We used effective colony-polymerase chain reaction technique for rapid screening of potent taxol-producing fungi instead of genomic DNA extraction...
March 23, 2017: Current Microbiology
https://www.readbyqxmd.com/read/28332033/surgeon-attitudes-and-use-of-mri-in-patients-newly-diagnosed-with-breast-cancer
#17
Monica Morrow, Sarah T Hawley, M Chandler McLeod, Ann S Hamilton, Kevin C Ward, Steven J Katz, Reshma Jagsi
BACKGROUND: Usage of magnetic resonance imaging (MRI) in newly diagnosed breast cancer patients is increasing, despite scant evidence that it improves outcomes. Little is known about the knowledge, perspectives, and clinical characteristics of surgeons associated with MRI use. METHODS: Women with early-stage breast cancer undergoing definitive surgery between July 2013 and August 2015 were identified from the Los Angeles and Georgia Surveillance, Epidemiology and End Results (SEER) registries and were asked to name their attending surgeons...
March 22, 2017: Annals of Surgical Oncology
https://www.readbyqxmd.com/read/28331766/evaluation-of-breast-cancer-risk-levels-and-its-relation-with-breast-self-examination-practices-in-women
#18
Ruhuşen Kutlu, Ümmiye Biçer
OBJECTIVE: This study was performed to determine the breast cancer risk levels and its relation with the frequency of breast self-examination practices in women who were 20 years old and over. MATERIALS AND METHODS: This descriptive study was conducted on 867 women, who were 20 years old and over presenting to a family medicine outpatient clinic for any reasons. The participants filled in the "Breast Cancer Risk Assessment Form" which is recommended to assess the risk of breast cancer by the Ministry of Health...
January 2017: J Breast Health (2013)
https://www.readbyqxmd.com/read/28331764/how-many-of-the-biopsy-decisions-taken-at-inexperienced-breast-radiology-units-were-correct
#19
Özlem Demircioğlu, Meral Uluer, Erkin Arıbal
OBJECTIVE: In this study, we aimed to determine the need for biopsy in patients referred from other clinics for the performance of biopsy with the suspicion of breast cancer. MATERIALS AND METHODS: 112 patients were included in the study. It was decided that their biopsies be performed following examinations in other clinics and they presented to the breast radiology unit of our hospital for a second opinion. The demographic characteristics, diagnostic studies completed in the other centers, properties of lesions, decision made as a result of examinations and BI-RADS (Breast Imaging Reporting and Data Systems) categorizations were recorded on the registration forms of the study patients...
January 2017: J Breast Health (2013)
https://www.readbyqxmd.com/read/28331762/the-determination-of-knowledge-applications-and-health-beliefs-of-third-and-fourth-grade-nursing-students-regarding-breast-self-exam
#20
Aygül Kıssal, Bahtışen Kartal, Öznur Çetin
OBJECTIVE: Breast Self-Exam (BSE) is a screening method for the early diagnosis of breast cancer in young women. However, the knowledge and applications of the students related to Breast Self-Exam (BSE) are insufficient. This study aims to investigate the knowledge, application and health beliefs of the students related to BSE. MATERIALS AND METHODS: This descriptive study's sample consisted of 127 third and fourth grade students in the Nursing Department. Socio-demographic Form, Breast Cancer Knowledge Form, Health Belief Model Scale and BSE Checklist were used in order to collect the data...
January 2017: J Breast Health (2013)
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