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Breast Cancer Research and Treatment

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https://www.readbyqxmd.com/read/28550626/combination-breast-cancer-chemotherapy-with-doxorubicin-and-cyclophosphamide-damages-bone-and-bone-marrow-in-a-female-rat-model
#1
Chiaming Fan, Kristen R Georgiou, Howard A Morris, Ross A McKinnon, Dorothy M K Keefe, Peter R Howe, Cory J Xian
PURPOSE: Anthracyclines (including doxorubicin) are still the backbone of commonly used breast cancer chemotherapy regimens. Despite increasing use of doxorubicin and cyclophosphamide (AC) combinations for treating breast cancer, their potential to cause adverse skeletal effects remains unclear. METHODS: This study examined the effects of treatments with the AC regimen on bone and bone marrow in adult female rats. RESULTS: AC treatment for four cycles (weekly intravenous injection of 2 mg/kg doxorubicin and 20 mg/kg cyclophosphamide) resulted in a reduced volume of trabecular bone at the metaphysis, which was associated with reduced serum levels of 25-hydroxy vitamin D3 and alkaline phosphatase...
May 26, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28547656/influence-of-clinical-societal-and-treatment-variables-on-racial-differences-in-er-pr-breast-cancer-survival
#2
M E Roseland, K Schwartz, J J Ruterbusch, L Lamerato, R Krajenta, J Booza, Michael S Simon
BACKGROUND: African American (AA) women with breast cancer have persistently higher mortality compared to whites. We evaluated racial disparities in mortality among women with estrogen receptor (ER)/progesterone receptor (PR)-negative breast cancer. METHODS: The study population included 542 women (45% AA) diagnosed with ER/PR-negative Stage I through III breast cancer treated at the Henry Ford Health System (HFHS) between 1996 and 2005. Linked datasets from HFHS, Metropolitan Detroit Cancer Surveillance System, and the U...
May 25, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28547655/sexual-health-needs-and-educational-intervention-preferences-for-women-with-cancer
#3
Cara Stabile, Shari Goldfarb, Raymond E Baser, Deborah J Goldfrank, Nadeem R Abu-Rustum, Richard R Barakat, Maura N Dickler, Jeanne Carter
PURPOSE: To assess sexual/vaginal health issues and educational intervention preferences in women with a history of breast or gynecologic cancer. METHODS: Patients/survivors completed a cross-sectional survey at their outpatient visits. Main outcome measures were sexual dysfunction prevalence, type of sexual/vaginal issues, awareness of treatments, and preferred intervention modalities. Descriptive frequencies were performed, and results were dichotomized by age, treatment status, and disease site...
May 25, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28536951/aesthetic-result-after-breast-conserving-therapy-is-associated-with-quality-of-life-several-years-after-treatment-swedish-women-evaluated-with-bcct-core-and-breast-q%C3%A2
#4
Cecilia Dahlbäck, Jenny Heiman Ullmark, Martin Rehn, Anita Ringberg, Jonas Manjer
PURPOSE: A gold standard for evaluation of aesthetic outcome after breast-conserving therapy (BCT) is still lacking. The BCCT.core software has been developed to assess aesthetic result in a standardised way. We aimed to study how the result of BCCT.core after BCT is associated with quality of life, measured with the BREAST-Q™, a validated questionnaire. METHODS: Women eligible for BCT were consecutively recruited between February 1st 2008 and January 31st 2012 (n = 653)...
May 23, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28536950/women-with-breast-cancer-report-substantially-more-disease-and-treatment-related-side-or-late-effects-than-registered-by-clinical-oncologists-a-cross-sectional-study-of-a-standard-follow-up-program-in-an-oncological-department
#5
Mai-Britt Bjørklund Ellegaard, Cai Grau, Robert Zachariae, Anders Bonde Jensen
BACKGROUND: Follow-up after breast cancer treatment is standard due to the risk of development of new primary cancers and recurrent disease. The aim of the present study was to evaluate a standard follow-up program in an oncological department by assessing: (1) Symptoms or signs of new primary cancer or recurrent disease, (2) Disease- and treatment-related physical and psychosocial side or late effects, and (3) relevant actions by oncology staff. MATERIALS AND METHODS: In a cross-sectional study, 194 women who came for follow-up visit after treatment for primary surgery were included...
May 23, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28528452/tumor-suppressor-protein-p53-exerts-negative-transcriptional-regulation-on-human-sodium-iodide-symporter-gene-expression-in-breast-cancer
#6
Madhura G Kelkar, Bhushan Thakur, Abhishek Derle, Sushmita Chatterjee, Pritha Ray, Abhijit De
PURPOSE: Aberrant expression of human sodium iodide symporter (NIS) in breast cancer (BC) is well documented but the transcription factors (TF) regulating its aberrant expression is poorly known. We identify the presence of three p53 binding sites on the human NIS promoter sequence by conducting genome-wide TF analysis, and further investigate their regulatory role. METHODS: The differences in transcription and translation were measured by real-time PCR, luciferase reporter assay, site-directed mutagenesis, in vivo optical imaging, and chromatin immunoprecipitation...
May 20, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28528451/influence-of-comorbidity-on-chemotherapy-use-for-early-breast-cancer-systematic-review-and-meta-analysis
#7
REVIEW
Melissa J Edwards, Ian D Campbell, Ross A Lawrenson, Marion J Kuper-Hommel
PURPOSE: Patients with early breast cancer and coexistent comorbidities generally experience worse prognosis which may be in part related to inferior treatment. Randomised data on chemotherapy use and tolerance in comorbid patients are limited. We aimed to review the available literature regarding the use of chemotherapy in such patients. METHODS: A systematic search of databases was performed for English-language articles evaluating the impact of comorbidity on chemotherapy use for early breast cancer...
May 20, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28528450/high-expression-of-cyclin-d1-is-associated-to-high-proliferation-rate-and-increased-risk-of-mortality-in-women-with-er-positive-but-not-in-er-negative-breast-cancers
#8
Cecilia Ahlin, Claudia Lundgren, Elin Embretsén-Varro, Karin Jirström, Carl Blomqvist, M -L Fjällskog
PURPOSE: Cyclin D1 has a central role in cell cycle control and is an important component of estrogen regulation of cell cycle progression. We have previously shown that high cyclin D expression is related to aggressive features of ER-positive but not ER-negative breast cancer. The aims of the present study were to validate this differential ER-related effect and furthermore explore the relationship between cyclin D overexpression and CCND1 gene amplification status in a node-negative breast cancer case-control study...
May 20, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28528449/the-canadian-national-breast-screening-studies-are-compromised-and-their-results-are-unreliable-they-should-not-factor-into-decisions-about-breast-cancer-screening
#9
REVIEW
Daniel B Kopans
The Canadian National Breast Screening Studies were compromised by an unblinded allocation process and poor quality mammography. Contrary to the requirement that allocation in a randomized controlled trial (RCT) be blinded to avoid any possible intentional or unintentional subversion of a random allocation, all women in the CNBSS trials underwent a clinical breast examination prior to assignment to the study arm or the usual care arm. Women with abnormal clinical breast examinations were identified, and this information was available to the coordinators who then assigned the women on open lists...
May 20, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28526959/adjuvant-tamoxifen-but-not-aromatase-inhibitor-therapy-decreases-serum-levels-of-the-wnt-inhibitor-dickkopf-1-while-not-affecting-sclerostin-in-breast-cancer-patients
#10
Andy Göbel, Jan D Kuhlmann, Theresa Link, Pauline Wimberger, Andrew J Browne, Martina Rauner, Lorenz C Hofbauer, Tilman D Rachner
PURPOSE: Endocrine therapies, including tamoxifen or aromatase inhibitors, are indispensable for the treatment of patients with estrogen receptor (ER)- and/or progesterone-positive breast cancer. Whereas tamoxifen displays partial ER agonistic effects in bone, aromatase inhibitors increase bone resorption and fracture risk. The Wnt inhibitors dickkopf-1 (DKK-1) and sclerostin negatively impact bone formation and are considered targets for the treatment of bone disorders. However, the effect of endocrine therapies on serum DKK-1 and sclerostin levels in patients with primary breast cancer remains elusive...
May 19, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28523569/effect-of-age-on-breast-cancer-screening-using-tomosynthesis-in-combination-with-digital-mammography
#11
Elizabeth A Rafferty, Stephen L Rose, Dave P Miller, Melissa A Durand, Emily F Conant, Debra S Copit, Sarah M Friedewald, Donna M Plecha, Ingrid L Ott, Mary K Hayes, Kara L Carlson, Thomas M Cink, Lora D Barke, Linda N Greer, Loren T Niklason
PURPOSE: To determine the effect of tomosynthesis imaging as a function of age for breast cancer screening. METHODS: Screening performance metrics from 13 institutions were examined for 12 months prior to introduction of tomosynthesis (period 1) and compared to those after introduction of tomosynthesis (period 2, range 3-22 months). Screening metrics for women ages 40-49, 50-59, 60-69, and 70+ , included rates per 1000 screens for recalls, biopsies, cancers, and invasive cancers detected...
May 18, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28516226/benefit-of-adding-digital-breast-tomosynthesis-to-digital-mammography-for-breast-cancer-screening-focused-on-cancer-characteristics-a-meta-analysis
#12
REVIEW
Seong Jong Yun, Chang-Woo Ryu, Sun Jung Rhee, Jung Kyu Ryu, Ji Young Oh
PURPOSE: We evaluated the benefit of adding digital breast tomosynthesis (DBT) to full-field digital mammography (FFDM) compared to FFDM alone for breast cancer detection, focusing on cancer characteristics. METHODS: We searched electronic databases and relevant references for published studies comparing DBT plus FFDM to FFDM alone for breast cancer screening. Pooled risk ratios (RRs) for various pathologic findings were determined using random effects models. RESULTS: Eleven eligible studies were included...
May 18, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28508185/titan-phase-iii-study-of-doxorubicin-cyclophosphamide-followed-by-ixabepilone-or-paclitaxel-in-early-stage-triple-negative-breast-cancer
#13
Denise A Yardley, Edward R Arrowsmith, Brooke R Daniel, Janice Eakle, Adam Brufsky, David R Drosick, Fred Kudrik, Linda D Bosserman, Mark R Keaton, Sharon A Goble, Jeffrey A Bubis, Victor M Priego, Kelly Pendergrass, Yvonne Manalo, Martin Bury, Donald S Gravenor, Gladys I Rodriguez, Roger C Inhorn, Robyn R Young, William N Harwin, Caryn Silver, John D Hainsworth, Howard A Burris
PURPOSE: Ixabepilone is a microtubule stabilizer with activity in taxane-refractory metastatic breast cancer and low susceptibility to taxane-resistance mechanisms including multidrug-resistant phenotypes and high β-III tubulin expression. Since these resistance mechanisms are common in triple-negative breast cancer (TNBC), ixabepilone may have particular advantages in this patient population. This study evaluated the substitution of ixabepilone for paclitaxel following doxorubicin/cyclophosphamide (AC) in the adjuvant treatment of early-stage TNBC...
May 15, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28508184/nationwide-cross-sectional-adherence-to-mammography-screening-guidelines-national-behavioral-risk-factor-surveillance-system-survey-results
#14
Anand Narayan, Alexander Fischer, Zihe Zhang, Ryan Woods, Elizabeth Morris, Susan Harvey
PURPOSE: Varying recommendations about breast cancer screening have generated much confusion about when and how often to undergo mammography screening, yet there is limited population-based data about the extent to which patients adhere to various mammographic screening guidelines in practice. Our purpose was to evaluate population-based adherence to mammographic screening using criteria from major guideline-producing organizations. METHODS: Women aged 40-74 in the 2014 Behavioral Risk Factor Surveillance System survey were included...
May 15, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28503723/risk-of-death-from-cardiovascular-disease-following-breast-cancer-a-systematic-review
#15
REVIEW
S A M Gernaat, P J Ho, N Rijnberg, M J Emaus, L M Baak, M Hartman, D E Grobbee, H M Verkooijen
PURPOSE: Breast cancer incidence and survival is high, which results in high prevalence of breast cancer survivors. The risk of (death from) cardiovascular disease (CVD) is higher in patients exposed to cardiotoxic treatments, in particular if they have pre-existing CVD risk factors. This study systematically summarized the risk of death from CVD following breast cancer. METHODS: Databases of Medline, Embase, and the Cochrane Library were systematically searched using the following terms and synonyms: breast cancer, cardiovascular disease, and cause of death...
May 13, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28503722/fertility-preservation-with-ovarian-stimulation-and-time-to-treatment-in-women-with-stage-ii-iii-breast-cancer-receiving-neoadjuvant-therapy
#16
A Jo Chien, Julia Chambers, Fiona Mcauley, Tessa Kaplan, Joseph Letourneau, Jimmy Hwang, Mi-Ok Kim, Michelle E Melisko, Hope S Rugo, Laura J Esserman, Mitchell P Rosen
PURPOSE: To determine whether fertility preservation with ovarian stimulation (OS) results in treatment delay in breast cancer (BC) patients receiving neoadjuvant therapy (NAT). METHODS: This is a retrospective study of women screened for the prospective neoadjuvant ISPY2 trial at the University of California San Francisco. All patients were <43, had stage II-III BC, and received neoadjuvant therapy. Time to initiation of NAT was compared between women who underwent OS (STIM) and women who did not (control)...
May 13, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28503721/limited-influence-of-germline-genetic-variation-on-all-cause-mortality-in-women-with-early-onset-breast-cancer-evidence-from-gene-based-tests-single-marker-regression-and-whole-genome-prediction
#17
Molly Scannell Bryan, Maria Argos, Irene L Andrulis, John L Hopper, Jenny Chang-Claude, Kathleen Malone, Esther M John, Marilie D Gammon, Mary Daly, Mary Beth Terry, Saundra S Buys, Dezheng Huo, Olofunmilayo Olopade, Jeanine M Genkinger, Farzana Jasmine, Muhammad G Kibriya, Lin Chen, Habibul Ahsan
PURPOSE: Women diagnosed with breast cancer have heterogeneous survival outcomes that cannot be fully explained by known prognostic factors, and germline variation is a plausible but unconfirmed risk factor. METHODS: We used three approaches to test the hypothesis that germline variation drives some differences in survival: mortality loci identification, tumor aggressiveness loci identification, and whole-genome prediction. The 2954 study participants were women diagnosed with breast cancer before age 50, with a median follow-up of 15 years who were genotyped on an exome array...
May 13, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28503720/contribution-of-germline-mutations-in-cancer-predisposition-genes-to-tumor-etiology-in-young-women-diagnosed-with-invasive-breast-cancer
#18
Seth K Rummel, Leann Lovejoy, Craig D Shriver, Rachel E Ellsworth
PURPOSE: Although breast cancer in young women accounts for <10% of diagnoses annually, tumors in young patients exhibit more aggressive characteristics and higher mortality rates. Determination of the frequency of germline mutations in cancer predisposition genes is needed to improve the understanding of breast cancer etiology in young women. METHODS: All female patients enrolled in the Clinical Breast Cancer Project between 2001 and 2015 and diagnosed with invasive breast cancer before age 40 were included in this study...
May 13, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28503719/radiation-and-depression-associated-with-complications-of-tissue-expander-reconstruction
#19
Paul J Chuba, William A Stefani, Carrie Dul, Susan Szpunar, Jeffrey Falk, Rachael Wagner, Elango Edhayan, Anna Rabbani, Cynthia H Browne, Amr Aref
PURPOSE: Rates of implant failure, wound healing delay, and infection are higher in patients having radiation therapy (RT) after tissue expander (TE) and permanent implant reconstruction. We investigated pretreatment risk factors for TE implant complications. PATIENTS AND METHODS: 127 breast cancer patients had TE reconstruction and radiation. For 85 cases of bilateral TE reconstruction, the non-irradiated breast provided an internal control. Comparison of differences in means for continuous variables used analysis of variance, then multiple pairwise comparisons with Bonferroni correction of p value...
May 13, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28500399/childhood-and-teenage-physical-activity-and-breast-cancer-risk
#20
Nicole M Niehoff, Alexandra J White, Dale P Sandler
PURPOSE: Adult physical activity is associated with reduced breast cancer risk, but few studies have evaluated activity before adulthood. Early life may be an important period because of rapid breast development and hormonal changes. This study contributes new information by examining childhood (ages 5-12) and teenage (ages 13-19) activity separately and overall. METHODS: The Sister Study is a cohort of 50,884 women aged 35-74. Women reported age 5-19 sports/exercise activities and age 10 and 16 unstructured activities...
May 12, 2017: Breast Cancer Research and Treatment
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