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Breast Cancer Research and Treatment

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https://www.readbyqxmd.com/read/28748346/trends-in-incidence-and-tumour-grade-in-screen-detected-ductal-carcinoma-in-situ-and-invasive-breast-cancer
#1
Jacky D Luiten, Adri C Voogd, Ernest J T Luiten, Lucien E M Duijm
PURPOSE: In a biennial screening mammography programme, we analysed the trends in incidence of screen-detected DCIS and invasive breast cancers in the era of screen-film mammography (SFM) screening, the period of the transition to full-field digital mammography (FFDM) screening and the period of FFDM screening. We also investigated a possible association between the incidence and grading of screen-detected DCIS and invasive breast cancer. METHODS: In the southern part of the Netherlands, FFDM screening gradually replaced SFM screening between May 2009 and April 2010...
July 26, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28744752/radiotherapy-for-ductal-carcinoma-in-situ-and-risk-of-second-non-breast-cancers
#2
Diana R Withrow, Lindsay M Morton, Rochelle E Curtis, Sara J Schonfeld, Amy Berrington de González
PURPOSE: Radiotherapy for ductal carcinoma (DCIS) is increasing, but the risks and benefits of the treatment remain uncertain. We aimed to investigate the relationship between radiotherapy for DCIS and risk of second non-breast cancers in a large US cohort. METHODS: We conducted a retrospective cohort study of 52,556 women in 12 U.S. population-based cancer registries diagnosed with first primary DCIS during 1992-2008 at age 25-79 years. We estimated relative risks (RRs), attributable risks (AR), and excess absolute risks (EAR) of second non-breast cancers associated with radiotherapy using Poisson regression adjusted for age at year of diagnosis, grade, hormonal therapy (yes/no or unknown), and time since diagnosis...
July 25, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28744751/functional-importance-of-pp2a-regulatory-subunit-loss-in-breast-cancer
#3
Lauren F Watt, Nikita Panicker, Abdul Mannan, Ben Copeland, Richard G S Kahl, Matthew D Dun, Barbara Young, Severine Roselli, Nicole M Verrills
PURPOSE: Protein phosphatase 2A (PP2A) is a family of serine/threonine phosphatases that regulate multiple cellular signalling pathways involved in proliferation, survival and apoptosis. PP2A inhibition occurs in many cancers and is considered a tumour suppressor. Deletion/downregulation of PP2A genes has been observed in breast tumours, but the functional role of PP2A subunit loss in breast cancer has not been investigated. METHODS: PP2A subunit expression was examined by immunohistochemistry in human breast tumours, and by qPCR and immunoblotting in breast cancer cell lines...
July 25, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28744750/comments-on-primary-tumor-location-predicts-the-site-of-local-relapse-after-nipple-areola-complex-nac-sparing-mastectomy-by-cont-et-al-breast-cancer-res-treat-2017
#4
LETTER
Stephen R Grobmyer, Risal Djohan
No abstract text is available yet for this article.
July 25, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28744749/a-functional-brca1-coding-sequence-genetic-variant-contributes-to-prognosis-of-triple-negative-breast-cancer-especially-after-radiotherapy
#5
Meng Shi, Fei Ma, Jibing Liu, Huaixin Xing, Hui Zhu, Jinming Yu, Ming Yang
PURPOSE: As a subtype of breast cancer, triple-negative breast cancer (TNBC) shows poor prognosis and high heterogeneity. Precise identification of TNBC subgroups relevant to clinical prognosis is crucial in the design and administration of individualized treatments. This study aimed to evaluate the prognostic value of the functional BRCA1 rs799917 genetic variant in TNBC. METHODS: Associations between the rs799917 polymorphism and progression risk were investigated after genotyping 370 TNBC patients...
July 25, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28741275/fatty-liver-decreases-the-risk-of-liver-metastasis-in-patients-with-breast-cancer-a-two-center-cohort-study
#6
Wenyu Wu, Jie Chen, Weilin Ye, Xi Li, Jian Zhang
BACKGROUND: The influence of hepatic steatosis (HS) on liver metastasis in patients with non-metastatic breast cancer (BC) remains unclear. The aim of this study was to clarify the relationship between HS and liver metastasis in non-metastatic BC patients. METHODS: Patients who underwent treatment for BC at two affiliated hospitals of Southern Medical University, between January 1, 2005 and December 31, 2015, were retrospectively reviewed. BC patients were divided into the study and control groups based on the presence of HS...
July 24, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28741274/cyclin-dependent-kinase-4-6-inhibitors-in-breast-cancer-palbociclib-ribociclib-and-abemaciclib
#7
REVIEW
Dorota Kwapisz
PURPOSE: The cyclin D-cyclin dependent kinase (CDK) 4/6-inhibitor of CDK4 (INK4)-retinoblastoma (Rb) pathway plays a crucial role in cell cycle progression and its dysregulation is an important contributor to endocrine therapy resistance. CDK4/6 inhibitors trigger cell cycle arrest in Rb protein (pRb)-competent cells. Recent years have seen the development of selective CDK4/6 inhibitors, which have delivered promising results of efficacy and manageable safety profiles. The main objective of this review is to discuss preclinical and clinical data to date, and ongoing clinical trials with palbociclib, ribociclib, and abemaciclib in breast cancer...
July 24, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28730340/cyp2d6-genotype-is-not-associated-with-survival-in-breast-cancer-patients-treated-with-tamoxifen-results-from-a-population-based-study
#8
D L Hertz, K M Kidwell, S G Hilsenbeck, S Oesterreich, C K Osborne, S Philips, C Chenault, R J Hartmaier, T C Skaar, M J Sikora, J M Rae
PURPOSE: A number of studies have tested the hypothesis that breast cancer patients with low-activity CYP2D6 genotypes achieve inferior benefit from tamoxifen treatment, putatively due to lack of metabolic activation to endoxifen. Studies have provided conflicting data, and meta-analyses suggest a small but significant increase in cancer recurrence, necessitating additional studies to allow for accurate effect assessment. We conducted a retrospective pharmacogenomic analysis of a prospectively collected community-based cohort of patients with estrogen receptor-positive breast cancer to test for associations between low-activity CYP2D6 genotype and disease outcome in 500 patients treated with adjuvant tamoxifen monotherapy and 500 who did not receive any systemic adjuvant therapy...
July 20, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28730339/breast-cancer-neoplastic-seeding-in-the-setting-of-image-guided-needle-biopsies-of-the-breast
#9
REVIEW
Lumarie Santiago, Beatriz E Adrada, Monica L Huang, Wei Wei, Rosalind P Candelaria
PURPOSE: To identify clinicopathologic, technical, and imaging features associated with neoplastic seeding (NS) following image-guided needle breast biopsy. METHODS: We performed an institutional review board-approved retrospective review of patients presenting with a new diagnosis of breast cancer or suspicious breast findings requiring biopsy with subsequent diagnosis of NS. The time from biopsy to NS diagnosis was calculated. Histology, grade, estrogen receptor (ER) status, progesterone receptor (PR) status, HER2 status, T category, and N category were recorded...
July 20, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28730338/jagged1-promotes-aromatase-inhibitor-resistance-by-modulating-tumor-associated-macrophage-differentiation-in-breast-cancer-patients
#10
Hang Liu, Jingxuan Wang, Minghui Zhang, Qijia Xuan, Zhipeng Wang, Xin Lian, Qingyuan Zhang
PURPOSE: Endocrine resistance limits the efficacy of anti-estrogen therapies. Notch signaling is involved in modulating tumor-associated macrophage (TAM) differentiation and is upregulated in endocrine-resistant breast cancer cells. Here, we analyzed the role of Jagged1 in the regulation of TAM polarization to investigate whether the Jagged1-Notch pathway promotes the acquisition of aromatase inhibitor (AI) resistance by upregulating TAM infiltration. METHODS: The Jagged1 expression levels and M2 TAM infiltration density, in 203 tumor samples from ER-positive postmenopausal patients, who received AI treatment, were evaluated by immunohistochemical staining and the results were compared with clincopathological parameters and survival...
July 20, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28726159/diagnosis-and-treatment-delays-among-elderly-breast-cancer-patients-with-pre-existing-mental-illness
#11
Kristy Iglay, Melissa L Santorelli, Kim M Hirshfield, Jill M Williams, George G Rhoads, Yong Lin, Kitaw Demissie
PURPOSE: This study aimed to compare diagnosis and treatment delays in elderly breast cancer patients with and without pre-existing mental illness. METHODS: A retrospective cohort study was conducted using the Surveillance, Epidemiology and End Results-Medicare data including 16,636 women 68+ years, who were diagnosed with stage I-IIIa breast cancer in the United States from 2005 to 2007. Mental illness was identified using International Classification of Diseases, Ninth Revision, Clinical Modification codes recorded on inpatient and outpatient claims during the 3 years prior to breast cancer diagnosis...
July 19, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28721639/erratum-to-frequency-of-germline-dna-genetic-findings-in-an-unselected-prospective-cohort-of-triple-negative-breast-cancer-patients-participating-in-a-platinum-based-neoadjuvant-chemotherapy-trial
#12
Milagros González-Rivera, Miriam Lobo, Sara López-Tarruella, Yolanda Jerez, María Del Monte-Millán, Tatiana Massarrah, Rocío Ramos-Medina, Inmaculada Ocaña, Antoni Picornell, Sonia Santillán Garzón, Lucía Pérez-Carbornero, José A García-Saenz, Henry Gómez, Fernando Moreno, Iván Márquez-Rodas, Hugo Fuentes, Miguel Martin
No abstract text is available yet for this article.
July 18, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28717854/pharmaceutically-treated-anxiety-but-not-depression-prior-to-cancer-diagnosis-predicts-the-onset-of-cardiovascular-disease-among-breast-cancer-survivors
#13
Dounya Schoormans, Lonneke van de Poll-Franse, Pauline Vissers, Myrthe P P van Herk-Sukel, Susanne S Pedersen, Nina Rottmann, Trine Horsbøl, Susanne Dalton, Johan Denollet
PURPOSE: To examine the associations between pharmaceutically treated anxiety and depression present in the year prior to breast cancer diagnosis and the risk of incident cardiovascular disease (CVD), while controlling for traditional cardiovascular risk factors and clinical characteristics in a population-based observational study. METHODS: Adult 1-year breast cancer survivors (n = 7227), diagnosed between 01-01-1999 and 12-31-2010, with no history of CVD, were selected from the Netherlands Cancer Registry...
July 17, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28717853/radiation-related-heart-disease-after-breast-cancer-radiation-therapy-in-korean-women
#14
Jee Suk Chang, Byung Kyun Ko, Jeoung Won Bae, Jong-Han Yu, Min Ho Park, Yongsik Jung, Ye Won Jeon, Kyung Hwan Kim, Jaeyong Shin, Chang-Ok Suh, Yong Bae Kim
PURPOSE: To study the late cardiac toxicity of breast radiation therapy (RT) in Asian women. METHODS: Female breast cancer patients in Korea who underwent breast conservation surgery followed by RT from 1990-2012 were identified from two large registries at institution and population levels. Cumulative incidences of acute coronary events (ACE) or cardiac mortality were estimated in relation to the laterality of breast cancer using a competing risks analysis. RESULTS: In an analysis of 2577 women from a single institution, 3...
July 17, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28717852/elevated-s100a8-protein-expression-in-breast-cancer-cells-and-breast-tumor-stroma-is-prognostic-of-poor-disease-outcome
#15
P Miller, K M Kidwell, D Thomas, M Sabel, J M Rae, D F Hayes, B I Hudson, D El-Ashry, M E Lippman
PURPOSE: Elevated S100A8 expression has been observed in cancers of the bladder, esophagus, colon, ovary, and breast. S100A8 is expressed by breast cancer cells as well as by infiltrating immune and myeloid cells. Here we investigate the association of elevated S100A8 protein expression in breast cancer cells and in breast tumor stroma with survival outcomes in a cohort of breast cancer patients. PATIENTS AND METHODS: Tissue microarrays (TMA) were constructed from breast cancer specimens from 417 patients with stage I-III breast cancer treated at the University of Michigan Comprehensive Cancer Center between 2004 and 2006...
July 17, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28712009/analysis-of-molecular-subtypes-for-the-increased-her2-equivocal-cases-caused-by-application-of-the-updated-2013-asco-cap-her2-testing-guidelines-in-breast-cancer
#16
Lei Guo, Pei Yuan, Jing Zhang, Yun Ling, Wenbin Li, Bohui Zhao, Jianming Ying, Lixue Xuan
PURPOSE: Accurate testing of the status of human epidermal growth factor receptor type 2 (HER2) is a prerequisite for HER2-directed therapy. The American Society of Clinical Oncology (ASCO) and the College of American Pathologists (CAP) published joint guideline recommendations for HER2 testing in breast cancer in 2007 and it was updated in 2013. We compared the HER2 gene amplification status based on these two guidelines and analyzed the molecular characteristics of the equivocal cases...
July 15, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28710537/cardiac-safety-of-non-anthracycline-trastuzumab-based-therapy-for-her2-positive-breast-cancer
#17
Anthony F Yu, Roy B Mukku, Shivani Verma, Jennifer E Liu, Kevin C Oeffinger, Richard M Steingart, Clifford A Hudis, Chau T Dang
PURPOSE: Trastuzumab improves overall survival for women with HER2-positive breast cancer but is associated with cardiotoxicity, especially when administered after anthracyclines. Use of non-anthracycline trastuzumab-based regimens is rising, particularly for patients with low-risk disease or with multiple cardiovascular risk factors. We performed a single-center retrospective cohort study to assess the cardiac safety of trastuzumab without anthracyclines outside of a clinical trial setting...
July 14, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28707203/evaluating-cognitive-complaints-in-breast-cancer-survivors-with-the-fact-cog-and-quantitative-electroencephalography
#18
Kathleen Van Dyk, Aimee M Hunter, Linda Ercoli, Laura Petersen, Andrew F Leuchter, Patricia A Ganz
PURPOSE: Targeted methods for evaluating cognitive dysfunction in breast cancer survivors are needed to effectively address this important survivorship issue. To address this need, we examined the validity of a self-report instrument (The functional assessment of cancer therapy: cognitive function; FACT-Cog) regarding correspondence with neuropsychological performance versus depression and evaluated neurophysiological biomarkers of cognition and depressed mood in a sample of breast cancer survivors several years from diagnosis...
July 13, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28707202/executive-functioning-impairment-in-women-treated-with-chemotherapy-for-breast-cancer-a-systematic-review
#19
REVIEW
Christie Yao, Lori J Bernstein, Jill B Rich
PURPOSE: Women with breast cancer have reported adverse cognitive effects following chemotherapy. Evidence is mixed on whether executive functioning is particularly impaired in women treated with chemotherapy, in part due to the wide range of tasks used to measure executive processes. We performed a systematic review of the published literature to evaluate whether some subcomponents of executive functioning are more vulnerable to impairment than others among breast cancer survivors who had been treated with chemotherapy...
July 13, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28702897/hereditary-diffuse-gastric-cancer-and-lynch-syndromes-in-a-brca1-2-negative-breast-cancer-patient
#20
Scolastica W Njoroge, Kelly R Burgess, Melody A Cobleigh, Hussein H Alnajar, Paolo Gattuso, Lydia Usha
INTRODUCTION: Genetic counseling and testing is recommended for women with a personal and/or family history of breast and other cancers (ovarian, pancreatic, male breast and others). Mutations in the BRCA1 and BRCA2 genes (BRCA1/2) are the most common causes of hereditary breast and ovarian cancer. Additional genetic counseling and testing with a multi-gene panel may be considered in breast cancer patients who tested negative for mutations in these two genes. In about 11% of BRCA1/2-negative patients, further genetic testing reveals pathogenic mutations in other high or moderate cancer risk genes...
July 12, 2017: Breast Cancer Research and Treatment
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