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https://www.readbyqxmd.com/read/27909934/current-achievements-and-future-perspectives-of-metronomic-chemotherapy
#1
REVIEW
Adriana Romiti, Rosa Falcone, Michela Roberto, Paolo Marchetti
In recent years, many anticancer drugs have been tested at metronomic dosages for a variety of tumours. Mechanisms of action attributed to metronomic chemotherapy (MCT) include antiangiogenesis, immunomodulation, direct inhibition of tumour growth, effect on tumour initiating cells and the modulation of clonal evolution. An active clinical research, aimed at testing MCT in several cancers, has been conducted over the past 15 years. However, because the majority of available results come from earlier phase II studies, mainly performed in the area of breast cancer (BC), it is clear that there are areas still to be investigated...
December 1, 2016: Investigational New Drugs
https://www.readbyqxmd.com/read/27909234/a-high-throughput-screening-strategy-for-development-of-rnf8-ubc13-protein-protein-interaction-inhibitors
#2
Elisabeth Weber, Ina Rothenaigner, Stefanie Brandner, Kamyar Hadian, Kenji Schorpp
The ubiquitin-proteasome system plays an essential role in a broad range of cellular signaling pathways. Ubiquitination is a posttranslational protein modification that involves the action of an enzymatic cascade (E1, E2, and E3 enzymes) for the covalent attachment of ubiquitin to target proteins. The emerging knowledge of the molecular mechanisms and correlation of deregulation of the ubiquitin system in human diseases is uncovering new opportunities for therapeutics development. The E3 ligase RNF8 acts in cooperation with the heterodimeric E2 enzyme Ubc13/Uev1a to generate ubiquitin conjugates at the sides of DNA double-strand breaks, and recent findings suggest RNF8 as a potential therapeutic target for the treatment of breast cancer...
December 1, 2016: Journal of Biomolecular Screening
https://www.readbyqxmd.com/read/27904779/generation-characterization-and-maintenance-of-trastuzumab-resistant-her2-breast-cancer-cell-lines
#3
Sandra Zazo, Paula González-Alonso, Ester Martín-Aparicio, Cristina Chamizo, Ion Cristóbal, Oriol Arpí, Ana Rovira, Joan Albanell, Pilar Eroles, Ana Lluch, Juan Madoz-Gúrpide, Federico Rojo
Trastuzumab became the therapy of choice for patients with HER2-positive breast cancer in 1998, and it has provided clinical benefit ever since. However, a significant percentage of patients show primary resistance to trastuzumab at diagnosis, and most patients with metastatic disease that initially respond to trastuzumab eventually progress (acquired resistance). Consequently, there is an urgent need to improve our knowledge of the mechanisms governing resistance, so that specific therapeutic strategies can be developed to provide improved efficacy...
2016: American Journal of Cancer Research
https://www.readbyqxmd.com/read/27904404/phenolic-composition-antioxidant-capacity-and-in-vitro-cytotoxicity-assessment-of-fruit-wines
#4
Ana Ljevar, Natka Ćurko, Marina Tomašević, Kristina Radošević, Višnja Gaurina Srček, Karin Kovačević Ganić
Fruit wines contain a wide range of phenolic compounds with biological effects, but their composition and potential benefits to human health have been studied to the much lesser extent compared to grape wines. The aim of this research is to study the phenolic profile of different types of fruit wines and to evaluate their antioxidant and biological potential. Commercially available fruit wines from blackberry, cherry, raspberry, blackcurrant, strawberry and apple produced in Croatia were analyzed. To the best of our knowledge, this study represents the first comprehensive screening of Croatian fruit wines...
June 2016: Food Technology and Biotechnology
https://www.readbyqxmd.com/read/27900810/population-based-study-of-attitudes-toward-brca-genetic-testing-among-orthodox-jewish-women
#5
Eve Y Tang, Meghna S Trivedi, Rita Kukufka, Wendy K Chung, Raven David, Leah Respler, Sarah Leifer, Isaac Schechter, Katherine D Crew
Given the high prevalence (1 in 40) of BRCA1 and BRCA2 mutations among Ashkenazi Jews, population-based BRCA genetic testing in this ethnic subgroup may detect more mutation carriers. We conducted a cross-sectional survey among Orthodox Jewish women in New York City to assess breast cancer risk, genetic testing knowledge, self-efficacy, perceived breast cancer risk and worry, religious and cultural factors affecting medical decision-making. We used descriptive statistics and multivariable logistic regression models to identify predictors of genetic testing intention/uptake...
November 30, 2016: Breast Journal
https://www.readbyqxmd.com/read/27900052/recent-perspectives-of-breast-cancer-prognosis-and-predictive-factors
#6
Su-Sheng Cao, Cun-Tao Lu
Breast cancer is the most common type of cancer affecting women worldwide. Although there have been great improvements in treating the disease and at present between 80 and 90% of the women survive ≥5-years after their primary diagnosis. However, due to the high incidence of the disease >450,000 women succumb to breast cancer annually worldwide. The majority of improvements in breast cancer survival may be explained through better knowledge of the development and progression of the disease. Consequently, the treatments employed have become more effective...
November 2016: Oncology Letters
https://www.readbyqxmd.com/read/27899698/illuminating-a-risk-for-breast-cancer-a-preliminary-ecological-study-on-the-association-between-streetlight-and-breast-cancer
#7
Atalya Keshet-Sitton, Keren Or-Chen, Eran Huber, Abraham Haim
Artificial light at night (ALAN) for elongating photophase is a new source of pollution. We examined the association between measured ALAN levels and breast cancer (BC) standard morbidity ratio (SMR) at a statistical area (SA) level in an urban environment. Sample size consisted of 266 new BC cases ages 35-74. Light measurements (lux) were performed in 11 SAs. A new calculated variable of morbidity per SA size (SMR35-74/km(2)) was correlated with the light variables per road length, using Pearson correlations (P < ...
November 29, 2016: Integrative Cancer Therapies
https://www.readbyqxmd.com/read/27899183/updates-on-breast-cancer-genetics-clinical-implications-of-detecting-syndromes-of-inherited-increased-susceptibility-to-breast-cancer
#8
REVIEW
Erin F Cobain, Kara J Milliron, Sofia D Merajver
Since the initial discovery that pathogenic germline alterations in BRCA 1/2 increase susceptibility to breast and ovarian cancer, many additional genes have now been discovered that also increase breast cancer risk. Given that several more genes have now been implicated in hereditary breast cancer syndromes, there is increased clinical use of multigene panel testing to evaluate patients with a suspected genetic predisposition to breast cancer. While this is most certainly a cost-effective approach, broader testing strategies have resulted in a higher likelihood of identifying moderate-penetrance genes, for which management guidelines regarding breast cancer risk reduction have not been firmly established...
October 2016: Seminars in Oncology
https://www.readbyqxmd.com/read/27899099/public-awareness-of-the-link-between-alcohol-and-cancer-in-england-in-2015-a-population-based-survey
#9
Penny Buykx, Jessica Li, Lucy Gavens, Lucie Hooper, Melanie Lovatt, Elena Gomes de Matos, Petra Meier, John Holmes
BACKGROUND: Public knowledge of the association between alcohol and cancer is reported to be low. We aimed to provide up-to-date evidence for England regarding awareness of the link between alcohol and different cancers and to determine whether awareness differs by demographic characteristics, alcohol use, and geographic region. METHODS: A representative sample of 2100 adults completed an online survey in July 2015. Respondents were asked to identify which health outcomes, including specific cancers, may be caused by alcohol consumption...
November 30, 2016: BMC Public Health
https://www.readbyqxmd.com/read/27896749/computer-aided-breast-cancer-diagnosis-with-optimal-feature-sets-reduction-rules-and-optimization-techniques
#10
Luke Mathieson, Alexandre Mendes, John Marsden, Jeffrey Pond, Pablo Moscato
This chapter introduces a new method for knowledge extraction from databases for the purpose of finding a discriminative set of features that is also a robust set for within-class classification. Our method is generic and we introduce it here in the field of breast cancer diagnosis from digital mammography data. The mathematical formalism is based on a generalization of the k-Feature Set problem called (α, β)-k-Feature Set problem, introduced by Cotta and Moscato (J Comput Syst Sci 67(4):686-690, 2003). This method proceeds in two steps: first, an optimal (α, β)-k-feature set of minimum cardinality is identified and then, a set of classification rules using these features is obtained...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/27896289/how-who-and-when-preferences-for-delivery-of-genome-sequencing-results-among-women-diagnosed-with-breast-cancer-at-a-young-age
#11
Kimberly A Kaphingst, Jennifer Ivanovich, Ashley Elrick, Rebecca Dresser, Cindy Matsen, Melody S Goodman
BACKGROUND: The increasing use of genome sequencing with patients raises a critical communication challenge: return of secondary findings. While the issue of what sequencing results should be returned to patients has been examined, much less attention has been paid to developing strategies to return these results in ways that meet patients' needs and preferences. To address this, we investigated delivery preferences (i.e., who, how, when) for individual genome sequencing results among women diagnosed with breast cancer at age 40 or younger...
November 2016: Molecular Genetics & Genomic Medicine
https://www.readbyqxmd.com/read/27896218/hormonal-modulation-of-breast-cancer-gene-expression-implications-for-intrinsic-subtyping-in-premenopausal-women
#12
REVIEW
Sarah M Bernhardt, Pallave Dasari, David Walsh, Amanda R Townsend, Timothy J Price, Wendy V Ingman
Clinics are increasingly adopting gene-expression profiling to diagnose breast cancer subtype, providing an intrinsic, molecular portrait of the tumor. For example, the PAM50-based Prosigna test quantifies expression of 50 key genes to classify breast cancer subtype, and this method of classification has been demonstrated to be superior over traditional immunohistochemical methods that detect proteins, to predict risk of disease recurrence. However, these tests were largely developed and validated using breast cancer samples from postmenopausal women...
2016: Frontiers in Oncology
https://www.readbyqxmd.com/read/27895875/takeaways-from-pre-contrast-t1-and-t2-breast-magnetic-resonance-imaging-in-women-with-recently-diagnosed-breast-cancer
#13
Seung Hee Han, Yeong Yi An, Bong Joo Kang, Sung Hun Kim, Eun Jae Lee
BACKGROUND: Dynamic contrast-enhanced magnetic resonance imaging (DCE - MRI) has been widely used in the management of breast cancer, and its diagnostic value in breast imaging has been demonstrated. There have only been a few reports regarding the usefulness of pre-contrast imaging. Knowledge about clinically significant findings of preoperative, pre-contrast T1 and T2 MR images will allow more accurate decisions regarding patient treatment and management. OBJECTIVES: The aim of this study was to evaluate the clinically significant findings of preoperative, pre-contrast T1 and T2 MR images in recently diagnosed breast cancer patients...
October 2016: Iranian Journal of Radiology: a Quarterly Journal Published By the Iranian Radiological Society
https://www.readbyqxmd.com/read/27895496/identification-of-lncrna-fam83h-as1-as-a-novel-prognostic-marker-in-luminal-subtype-breast-cancer
#14
Fan Yang, Shi-Xu Lv, Lin Lv, Ye-Huan Liu, Si-Yang Dong, Zhi-Han Yao, Xuan-Xuan Dai, Xiao-Hua Zhang, Ou-Chen Wang
BACKGROUND: Luminal subtype breast cancer accounts for a predominant number of breast cancers. Considering the heterogeneity of the disease, it is urgent to develop novel biomarkers to improve risk stratification and optimize therapy choices. Long non-coding RNA (lncRNA) represents an emerging and understudied class of transcripts that play a significant role in cancer biology. Growing knowledge of cancer-associated lncRNAs contributes to the development of molecular markers for prognosis evaluation and gene therapy...
2016: OncoTargets and Therapy
https://www.readbyqxmd.com/read/27894335/everolimus-and-exemestane-in-long-survival-hormone-receptor-positive-male-breast-cancer-case-report
#15
Z Ballatore, M Pistelli, N Battelli, A Pagliacci, M De Lisa, R Berardi, S Cascinu
BACKGROUND: Male breast cancer is a rare event, accounting for approximately 1% of all breast carcinomas. Although men with breast cancer had poorer survival when compared with women, data on prognosis principally derive from retrospective studies and from extrapolation of female breast cancer series. We reported the case of a very long survival patient. CASE PRESENTATION: A caucasian 42-year-old man underwent radical mastectomy with axillary dissection for breast cancer in 1993...
November 28, 2016: BMC Research Notes
https://www.readbyqxmd.com/read/27894246/therapy-related-changes-in-serum-proteome-patterns-of-early-stage-breast-cancer-patients-with-different-outcome
#16
Anna Walaszczyk, Monika Pietrowska, Anna Wojakowska, Agata Abramowicz, Aleksandra Chmura, Barbara Masłyk, Paweł Rodziewicz, Joanna Polańska, Katarzyna Behrendt, Elżbieta Nowicka, Rafał Tarnawski, Piotr Widłak
Adjuvant chemo- and/or radiotherapy is applied in majority of patients treated because of early stage breast cancer even though only a small fraction of them is at high risk of metastasis or recurrence. Hence, knowledge of biomarkers associated with risk of disease progression might help planning of an optimal therapy, and to protect large group of patients from toxicity of unnecessary treatment. Here we aimed to characterize serum proteome of patients diagnosed with early stage breast cancer who either showed no evidence of disease five years after the end of therapy or suffered from metastasis, relapse or second cancer during corresponding follow-up...
November 28, 2016: Protein and Peptide Letters
https://www.readbyqxmd.com/read/27893988/endothelin-signaling-in-bone
#17
REVIEW
Jasmin Kristianto, Michael G Johnson, Rafia Afzal, Robert D Blank
The endothelin (ET) system includes 3 small peptide hormones and a pair of G protein-coupled receptors. All 3 ETs are secreted as biologically inert precursors that must be activated by proteolytic cleavage after secretion. This reaction can be catalyzed by a pair of specific, membrane-bound extracellular ET converting enzymes or by nonspecific tissue proteases. The ET1/EDNRA axis is essential in development, with knockout mice for either displaying a similar phenotype featuring multiple defects of the craniofacial skeleton and cardiac outflow tract...
November 11, 2016: Translational Research: the Journal of Laboratory and Clinical Medicine
https://www.readbyqxmd.com/read/27891441/development-and-testing-of-a-reliable-and-valid-patient-needs-questionnaire-for-breast-cancer-inpatients-in-china
#18
Ling Li, Jing Xue, Zhan-Zhan Li, Li-Zhang Chen
INTRODUCTION: Breast cancer patients are demanding more active roles in their care, especially in the initial diagnosis and treatment stages. At present, there is no suitable patient questionnaire that appropriately incorporates Chinese language, habits, and cultural differences. AIM: To develop and validate a patient-needs questionnaire for female breast cancer inpatients in China. MATERIALS AND METHODS: The questionnaire structure was based on Maslow's model and a modern medical model...
October 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/27891193/in-epithelial-cancers-aberrant-col17a1-promoter-methylation-predicts-its-misexpression-and-increased-invasion
#19
Pulari U Thangavelu, Tibor Krenács, Eloise Dray, Pascal H G Duijf
BACKGROUND: Metastasis is a leading cause of death among cancer patients. In the tumor microenvironment, altered levels of extracellular matrix proteins, such as collagens, can facilitate the first steps of cancer cell metastasis, including invasion into surrounding tissue and intravasation into the blood stream. However, the degree of misexpression of collagen genes in tumors remains understudied, even though this knowledge could greatly facilitate the development of cancer treatment options aimed at preventing metastasis...
2016: Clinical Epigenetics
https://www.readbyqxmd.com/read/27888945/radiology-as-the-point-of-cancer-patient-and-care%C3%A2-team-engagement-applying-the-4r-model-at%C3%A2-a-patient-s-breast-cancer-care-initiation
#20
Christine B Weldon, Sarah M Friedewald, Swati A Kulkarni, Melissa A Simon, Ruth C Carlos, Jonathan B Strauss, Mikele M Bunce, Art Small, Julia R Trosman
Radiologists aspire to improve patient experience and engagement, as part of the Triple Aim of health reform. Patient engagement requires active partnerships among health providers and patients, and rigorous teamwork provides a mechanism for this. Patient and care team engagement are crucial at the time of cancer diagnosis and care initiation but are complicated by the necessity to orchestrate many interdependent consultations and care events in a short time. Radiology often serves as the patient entry point into the cancer care system, especially for breast cancer...
December 2016: Journal of the American College of Radiology: JACR
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