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https://www.readbyqxmd.com/read/28092843/therapeutic-effects-of-bach1-sirna-on-human-breast-adenocarcinoma-cell-line
#1
Mansoor Aletaha, Behzad Mansoori, Ali Mohammadi, Mehdi Fazeli, Behzad Baradaran
BACKGROUND: Despite the great improvements in clinical and therapeutic techniques in recent years, many advanced breast cancer patients still died of the postoperative recurrence and metastasis of disease. Bach1 plays a role in the development of the invasive phenotypes of cancer, cell division and apoptosis in tumor cells. The aim of this study was to investigate the effect of specific bach1 siRNAs, on the proliferation, migration, invasive, induction of apoptosis, cell cycle arrest and alter EMT related miRNA of MDA-MB-468 cells (breast cancer)...
January 13, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28090417/pattern-of-local-recurrence-and-distant-metastasis-in-breast-cancer-by-molecular-subtype
#2
Xingrao Wu, Ayesha Baig, Goulnar Kasymjanova, Kamran Kafi, Christina Holcroft, Hind Mekouar, Annie Carbonneau, Boris Bahoric, Khalil Sultanem, Thierry Muanza
BACKGROUND AND PURPOSE:  No longer considered a single disease entity, breast cancer is being classified into several distinct molecular subtypes based on gene expression profiling. These subtypes appear to carry prognostic implications and have the potential to be incorporated into treatment decisions. In this study, we evaluated patterns of local recurrence (LR), distant metastasis (DM), and association of survival with molecular subtype in breast cancer patients in the post-adjuvant radiotherapy setting...
December 9, 2016: Curēus
https://www.readbyqxmd.com/read/28088463/stress-induced-egf-receptor-signaling-through-stat3-and-tumor-progression-in-triple-negative-breast-cancer
#3
Nikolas Balanis, Cathleen R Carlin
Elevated STAT3 activity is a hallmark of many epithelial carcinomas particularly in breast cancers where it is known to contribute to tumor progression through a variety of context-dependent biological responses. However, its role downstream of stress-exposed EGF receptors (EGFR) that are transactivated in endosomes independent of exogenous ligand has not been studied. This review discusses how STAT3 signaling induced by therapeutic stress in EGFR-driven triple-negative breast cancers (TNBC) might override normal epithelial homeostatic mechanisms and provide a survival advantage for tumor cells before they leave the primary tumor and spread to distant sites...
January 11, 2017: Molecular and Cellular Endocrinology
https://www.readbyqxmd.com/read/28087099/prognostic-and-predictive-indicators-in-early-stage-breast-cancer-and-the-role-of-genomic-profiling-focus-on-the-oncotype-dx-%C3%A2-breast-recurrence-score-assay
#4
E Curtit, L Mansi, Y Maisonnette-Escot, J-L Sautière, X Pivot
Although useful prognostic and predictive insights can be gained from patient and tumour characteristics in early-stage breast cancer, it is not always straightforward to predict the likely risk of recurrence for each individual patient following breast surgery. One of the most difficult challenges faced by clinicians is identifying patients who may benefit most from adjuvant chemotherapy, and distinguishing these cases from those where endocrine therapy may be sufficient for cure. Genomic tests such as the Oncotype DX(®) Breast Recurrence Score(®) Assay have been developed to provide a robust and clinically validated assessment of a patient's individual tumour signature...
December 14, 2016: European Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28080180/long-term-effects-on-the-incidence-of-second-primary-cancers-in-a-randomized-trial-of-two-and-five-years-of-adjuvant-tamoxifen
#5
Johan Rosell, Bo Nordenskjöld, Nils-Olof Bengtsson, Tommy Fornander, Thomas Hatschek, Henrik Lindman, Per-Olof Malmström, Arne Wallgren, Olle Stål, John Carstensen
BACKGROUND: Tamoxifen is a well established treatment for breast cancer, but its long-term effects on the incidence of secondary cancers are not fully evaluated. MATERIAL AND METHODS: We have studied 4128 postmenopausal patients with early stage breast cancer who were alive and free of breast cancer recurrence after two years of tamoxifen, and who were randomized to receive totally two or five years of therapy. RESULTS: Compared to patients randomized to two years of tamoxifen the incidence of contralateral breast cancer [hazard ratio (HR) 0...
January 12, 2017: Acta Oncologica
https://www.readbyqxmd.com/read/28078491/prognostic-factors-in-early-breast-cancer-associated-with-body-mass-index-physical-functioning-physical-activity-and-comorbidity-data-from-a-nationwide-danish-cohort
#6
Trine L Guldberg, Søren Christensen, Robert Zachariae, Anders Bonde Jensen
PURPOSE: To explore the associations between lifestyle-related factors and tumor-related prognostic factors in women treated for primary breast cancer, and to detect possible differences between the associations in pre- and postmenopausal women. METHODS: Associations between tumor-related prognostic factors, including the composite endpoint risk of recurrence (RoR), body mass index (BMI), comorbidity (Charlson comorbidity index), basic physical functioning (SF-36), physical activity, smoking, and alcohol consumption were examined with binary logistic regression analysis in a national cohort of 4917 women treated for primary breast cancer...
January 11, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28077676/a-ptk7-targeted-antibody-drug-conjugate-reduces-tumor-initiating-cells-and-induces-sustained-tumor-regressions
#7
Marc Damelin, Alexander Bankovich, Jeffrey Bernstein, Justin Lucas, Liang Chen, Samuel Williams, Albert Park, Jorge Aguilar, Elana Ernstoff, Manoj Charati, Russell Dushin, Monette Aujay, Christina Lee, Hanna Ramoth, Milly Milton, Johannes Hampl, Sasha Lazetic, Virginia Pulito, Edward Rosfjord, Yongliang Sun, Lindsay King, Frank Barletta, Alison Betts, Magali Guffroy, Hadi Falahatpisheh, Christopher J O'Donnell, Robert Stull, Marybeth Pysz, Paul Escarpe, David Liu, Orit Foord, Hans Peter Gerber, Puja Sapra, Scott J Dylla
Disease relapse after treatment is common in triple-negative breast cancer (TNBC), ovarian cancer (OVCA), and non-small cell lung cancer (NSCLC). Therapies that target tumor-initiating cells (TICs) should improve patient survival by eliminating the cells that can drive tumor recurrence and metastasis. We demonstrate that protein tyrosine kinase 7 (PTK7), a highly conserved but catalytically inactive receptor tyrosine kinase in the Wnt signaling pathway, is enriched on TICs in low-passage TNBC, OVCA, and NSCLC patient-derived xenografts (PDXs)...
January 11, 2017: Science Translational Medicine
https://www.readbyqxmd.com/read/28075351/circulating-nucleosomes-and-nucleosome-modifications-as-biomarkers-in-cancer
#8
REVIEW
Peter McAnena, James A L Brown, Michael J Kerin
Traditionally the stratification of many cancers involves combining tumour and clinicopathological features (e.g., patient age; tumour size, grade, receptor status and location) to inform treatment options and predict recurrence risk and survival. However, current biomarkers often require invasive excision of the tumour for profiling, do not allow monitoring of the response to treatment and stratify patients into broad heterogeneous groups leading to inconsistent treatment responses. Here we explore and describe the benefits of using circulating biomarkers (nucleosomes and/or modifications to nucleosomes) as a non-invasive method for detecting cancer and monitoring response to treatment...
January 8, 2017: Cancers
https://www.readbyqxmd.com/read/28075277/social-isolation-linked-to-higher-mortality-rates-in-breast-cancer
#9
(no author information available yet)
Women with breast cancer who are more socially isolated have higher rates of recurrence and mortality than women with larger social networks, new study results suggest.
January 11, 2017: Nursing Standard
https://www.readbyqxmd.com/read/28073839/unsupervised-clustering-of-quantitative-image-phenotypes-reveals-breast-cancer-subtypes-with-distinct-prognoses-and-molecular-pathways
#10
Jia Wu, Yi Cui, Xiaoli Sun, Guohong Cao, Bailiang Li, Debra M Ikeda, Allison W Kurian, Ruijiang Li
PURPOSE: To identify novel breast cancer subtypes by extracting quantitative imaging phenotypes of the tumor and surrounding parenchyma, and to elucidate the underlying biological underpinnings and evaluate the prognostic capacity for predicting recurrence-free survival (RFS). METHODS: We retrospectively analyzed dynamic contrast-enhanced magnetic resonance imaging data of patients from a single-center discovery cohort (n=60) and an independent multi-center validation cohort (n=96)...
January 10, 2017: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/28073726/breast-cancer-in-women-younger-than-35%C3%A2-years%C3%A2-features-and-outcomes-in-the-breast-unit-at-aristide-le-dantec-teaching-hospital-dakar
#11
M Gueye, S M Kane Gueye, M D Ndiaye Gueye, F Niasse Dia, O Gassama, M Diallo, J C Moreau
The aim of this study was to determine the clinical features and outcomes of women younger than 35 years with breast cancer. This study was performed at Gynecologic and Obstetric Clinic of Dakar Teaching Hospital and retrospectively reviewed the records of all women younger than 35 years seen in our department for histologically proven breast cancer. Data were analyzed with SPSS software (Statistical Package for Social Science) Version 23. Between 2007 and 2015, 62 women with breast cancer met the inclusion criteria and were included...
November 1, 2016: Médecine et Santé Tropicales
https://www.readbyqxmd.com/read/28072715/conditional-disease-free-survival-among-patients-with-breast-cancer
#12
Hyun-June Paik, Se Kyung Lee, Jai Min Ryu, Sungmin Park, Isaac Kim, Soo Youn Bae, Jonghan Yu, Jeong Eon Lee, Seok Won Kim, Seok Jin Nam
Conditional disease-free survival (CDFS) reflects changes over time. Because traditional disease-free survival (DFS) is estimated from the date of diagnosis, it is limited in the ability to predict risk of recurrence in patients who have been disease free. In this study, we determined CDFS of breast cancer patients and estimated the prognostic factors for DFS.We retrospectively reviewed clinical data of 7587 consecutive patients who underwent curative surgery for breast cancer between January 2004 and December 2013 at Samsung Medical Center...
January 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28071617/role-of-frozen-section-in-the-intra-operative-margin-assessment-during-breast-conserving-surgery
#13
K R Anila, K Chandramohan, A Mathews, T Somanathan, K Jayasree
BACKGROUND: Breast conserving surgery (BCS) is increasingly done for early breast cancers in many countries since it has been demonstrated by randomized trials that survival rates after BCS followed by adjuvant therapy are equivalent to those obtained after mastectomy. Frozen section analyses (FSA) is a technique used for intra-operative assessment of margin status in BCS. The aim of this study was to assess the concordance of margin status assessment by FSA and permanent sections and to assess correlation with local recurrence...
April 2016: Indian Journal of Cancer
https://www.readbyqxmd.com/read/28070993/use-of-liposomal-doxorubicin-for-adjuvant-chemotherapy-of-breast-cancer-in-clinical-practice
#14
Ming Zhao, Xian-Feng Ding, Jian-Yu Shen, Xi-Ping Zhang, Xiao-Wen Ding, Bin Xu
Breast cancer is one of the malignant tumors with the highest morbidity and mortality. It is helpful to reduce the rate of tumor recurrence and metastasis by treating breast cancer with adjuvant chemotherapy, so as to increase the cure rate or survival of patients. In recent years, liposomes have been regarded as a kind of new carrier for targeted drugs. Being effective for enhancing drug efficacy and reducing side effects, they have been widely used for developing anticancer drugs. As a kind of anthracycline with high anticancer activity, doxorubicin can treat or alleviate a variety of malignant tumors effectively when it is used on its own or in combination with other anticancer drugs...
2017: Journal of Zhejiang University. Science. B
https://www.readbyqxmd.com/read/28070832/objection-to-postoperative-radiation-therapy-in-breast-cancer-with-one-to-three-lymph-nodes-involvements
#15
Takashi Ishikawa, Hiroshi Kaise, Kimito Yamada, Mari Hosonaga, Takashi Chishima, Kazutaka Narui, Akimitsu Yamada, Sadatoshi Sugae, Yasushi Ichikawa, Mitsuyoshi Ota, Miyako Nozaki, Ryuji Mikami, Koichi Tokuuye
My arguments regarding postmastectomy radiotherapy (PMRT) for this case are based on the following 4 reasons: (1) high rate of local recurrence in the no PMRT group in the Early Breast Cancer Trialists' Collaborative Group meta-analysis on which the present guideline is based, (2) stage migration by sentinel node biopsy, (3) possible adverse events of radiotherapy, and (4) problems on extrapolation of data from western countries.
January 9, 2017: Breast Cancer: the Journal of the Japanese Breast Cancer Society
https://www.readbyqxmd.com/read/28070767/strut-adjusted-volume-implant-savi-brachytherapy-based-accelerated-partial-breast-irradiation-apbi-in-african-american-women
#16
Amir Isbell, Jacquelyn Dunmore-Griffith, Olubunmi Abayomi
PURPOSE: To examine the clinical outcomes of postmenopausal African American (AA) women treated with strut-adjusted volume implant brachytherapy-based accelerated partial breast irradiation for early-stage node-negative breast cancer. METHODS: From January 2011 through April 2015, a total of 50 AA patients, meeting criteria to receive APBI as defined by the National Surgical Adjuvant Breast and Bowel Project B-39 (NASBP B-39), completed treatment with the SAVI breast brachytherapy device at Howard University Hospital...
January 9, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28069519/denaturing-fixatives-are-compatible-with-the-nanostring-ncounter-%C3%A2-platform-and-the-prosigna-%C3%A2-assay
#17
Roman Rouzier, Aurelie Roulot, Arthur H Jeiranian, Namratha Ram, Jean Marc Guinebretiere, Anne Vincent Salomon, David Gentien
The objective of this study was to establish that the denaturing fixative, formalin and acetic acid (AFA), is equivalent to neutral-buffered formalin (NBF) on the nCounter system using the Prosigna assay. Twenty-five previously resected tumors from breast cancer patients were apportioned and fixed with either NBF or AFA prior to embedding in paraffin. Differentially fixed and paraffin embedded tissue pairs were sectioned and pathological review was performed according to the Prosigna assay protocol. RNA was isolated using the Prosigna assay kit and analyzed using the NanoString nCounter Dx Analysis system...
January 6, 2017: New Biotechnology
https://www.readbyqxmd.com/read/28069440/inter-and-intra-cellular-mechanism-of-nf-kb-dependent-survival-advantage-and-clonal-expansion-of-radio-resistant-cancer-cells
#18
Hui Yu, Natarajan Aravindan, Ji Xu, Mohan Natarajan
Understanding the underlying mechanism by which cancer cells acquire resistance to radiation and favorably selected for its clonal expansion will provide molecular insight into tumor recurrence at the treatment site. In the present study, we investigated the molecular mechanisms prompted in MCF-7 breast cancer cells in response to clinical radiation and the associated coordination of intra- and inter-cellular signaling that orchestrate radio-resistance and tumor relapse/recurrence. Our findings showed that 2 or 10Gy of (137)Cs γ-rays at a dose rate of 1...
January 6, 2017: Cellular Signalling
https://www.readbyqxmd.com/read/28069070/successful-management-of-synchronous-recurrent-breast-carcinoma-with-chronic-myelogenous-leukemia-a-case-report
#19
Choukri Elm'hadi, Mohamed Reda Khmamouche, Rachid Tanz, Mehdi Toreis, ElMehdi Mahtat, Mohammed Allaoui, Mohammed Oukabli, Nezha Messaoudi, Hassan Errihani, Mohammed Ichou
BACKGROUND: Survival is increasing after early breast cancer revealing frequent relapses and possibility of developing secondary malignancies. The concomitant occurrence of these two events is exceptionally disastrous and lethal. We report a case of a Moroccan woman who was successfully managed for synchronous recurrent breast carcinoma and chronic myelogenous leukemia. CASE PRESENTATION: A 42-year-old Moroccan woman was diagnosed with localized breast carcinoma in 2008...
January 10, 2017: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/28067809/expression-and-clinical-significance-of-androgen-receptor-in-triple-negative-breast-cancer
#20
Yuka Asano, Shinichiro Kashiwagi, Wataru Goto, Sayaka Tanaka, Tamami Morisaki, Tsutomu Takashima, Satoru Noda, Naoyoshi Onoda, Masahiko Ohsawa, Kosei Hirakawa, Masaichi Ohira
BACKGROUND: Triple-negative breast cancer (TNBC) has a poor prognosis because of frequent recurrence. Androgen receptor (AR) is involved in the pathogenesis of breast cancer, but its role is not clearly defined. The aim of this study was to explore the expression of AR and its relationship with clinicopathologic features in TNBC. METHODS: This study investigated 1036 cases of sporadic invasive breast carcinoma. Immunohistochemical assays were performed to determine the expression of AR in 190 TNBC samples...
January 6, 2017: Cancers
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