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breast cancer progesterone

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https://www.readbyqxmd.com/read/28325747/brief-fixation-enables-same-day-breast-cancer-diagnosis-with-reliable-assessment-of-hormone-receptors-e-cadherin-and-her2-neu
#1
Altuna Halilovic, Joris Bulte, Yvonne Jacobs, Hanneke Braam, Patricia van Cleef, Margrethe Schlooz-Vries, Annelies Werner, Oliver Boelens, Iris Nagtegaal, Hans de Wilt, Peter Bult
AIMS: Preoperative core needle biopsy (CNB) is commonly used to confirm the diagnosis of breast cancer. For treatment purposes and for determining histological type, especially in case of neoadjuvant therapy, oestrogen receptor (ER), progesterone receptor (PR), human epidermal growth factor receptor 2 (HER2) status and E-cadherin assessments are crucial. Considering the increasing demand for same-day diagnosis of breast lesions, an accelerated method of CNB processing was developed, in which the tissue fixation time is radically reduced...
March 21, 2017: Journal of Clinical Pathology
https://www.readbyqxmd.com/read/28324269/metformin-sensitizes-triple-negative-breast-cancer-to-proapoptotic-trail-receptor-agonists-by-suppressing-xiap-expression
#2
Elena Strekalova, Dmitry Malin, Harisha Rajanala, Vincent L Cryns
PURPOSE: Despite robust antitumor activity in diverse preclinical models, TNF-related apoptosis-inducing ligand (TRAIL) receptor agonists have not demonstrated efficacy in clinical trials, underscoring the need to identify agents that enhance their activity. We postulated that the metabolic stress induced by the diabetes drug metformin would sensitize breast cancer cells to TRAIL receptor agonists. METHODS: Human triple (estrogen receptor, progesterone receptor, and HER2)-negative breast cancer (TNBC) cell lines were treated with TRAIL receptor agonists (monoclonal antibodies or TRAIL peptide), metformin, or the combination...
March 21, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28316229/mucinous-carcinoma-with-extensive-signet-ring-cell-differentiation-a-case-report
#3
Hye Min Kim, Eun Kyung Kim, Ja Seung Koo
Breast cancers that present with mucin include mucinous carcinoma and carcinoma with signet ring cell differentiation. The former shows extracellular mucin and the latter shows abundant intracellular mucin. Here, we report a case of breast cancer showing both extracellular mucin and extensive signet ring cell differentiation due to abundant intracellular mucin. Unlike mucinous carcinoma, this case had the features of high-grade nuclear pleomorphism, high mitotic index, estrogen receptor negativity, progesterone receptor negativity, human epidermal growth factor receptor-2 positivity, and ductal type with positivity for E-cadherin...
March 2017: Journal of Pathology and Translational Medicine
https://www.readbyqxmd.com/read/28315505/clinicopathological-and-prognostic-value-of-cd24-expression-in-breast-cancer-a-meta-analysis
#4
Gao Liu, Guo-Xing Liu, Yu Fang, Zhen-Yu Cao, Hui-Hui Du, Jie Fu, Ke Qian
BACKGROUND: A number of studies have been conducted to explore the relationship between CD24 expression and the prognosis of breast cancer; however, the results remain inconsistent. Therefore, we performed this meta-analysis to clarify the impact of CD24 expression on clinicopathological features and prognosis of breast cancer. METHODS: A comprehensive literature search for relevant studies was performed, and statistical analysis was conducted using Stata software...
March 3, 2017: International Journal of Biological Markers
https://www.readbyqxmd.com/read/28301216/bioidentical-menopausal-hormone-therapy-registered-hormones-non-oral-estradiol%C3%A2-%C3%A2-%C3%A2-progesterone-are-optimal
#5
M L'Hermite
The many advantages of registered bioidentical sex hormones over registered, conventional, non-bioidentical menopausal hormone therapy (MHT) are considered. The transdermal route of estrogen administration avoids excess venous thromboembolic and ischemic stroke events. There is some indication that conjugated equine estrogens are more thrombogenic and most likely induce some hypertensive responses; estradiol might also be superior to conjugated equine estrogens (CEE) in terms of global cardiovascular health...
March 16, 2017: Climacteric: the Journal of the International Menopause Society
https://www.readbyqxmd.com/read/28297421/characteristics-of-quantitative-perfusion-parameters-on-dynamic-contrast-enhanced-mri-in-mammographically-occult-breast-cancer
#6
Jung Kyu Ryu, Sun Jung Rhee, Jeong Yoon Song, Soo Hyun Cho, Geon-Ho Jahng
The purpose of this study was to compare the characteristics of quantitative perfusion parameters obtained from dynamic contrast-enhanced (DCE) magnetic resonance imaging (MRI) in patients with mammographically occult (MO) breast cancers and those with mammographically visible (MV) breast cancers. Quantitative parameters (AUC, Ktrans,kep,ve,vp, and wi) from 13 MO breast cancers and 16 MV breast cancers were mapped after the DCE-MRI data were acquired. Various prognostic factors, including axillary nodal status, estrogen receptor (ER), progesterone receptor (PR), Ki-67, p53, E-cadherin, and human epidermal growth factor receptor 2 (HER2) were obtained in each group...
September 2016: Journal of Applied Clinical Medical Physics
https://www.readbyqxmd.com/read/28295860/relationships-between-mri-breast-imaging-reporting-and-data-system-bi-rads-lexicon-descriptors-and-breast-cancer-molecular-subtypes-internal-enhancement-is-associated-with-luminal-b-subtype
#7
Lars J Grimm, Jing Zhang, Jay A Baker, Mary S Soo, Karen S Johnson, Maciej A Mazurowski
The aim of this study was to determine the associations between breast MRI findings using the Breast Imaging-Reporting and Data System (BI-RADS) lexicon descriptors and breast cancer molecular subtypes. In this retrospective, IRB-approved, single institution study MRIs from 278 women with breast cancer were reviewed by one of six fellowship-trained breast imagers. Readers reported BI-RADS descriptors for breast masses (shape, margin, internal enhancement) and non-mass enhancement (distribution, internal enhancement)...
March 13, 2017: Breast Journal
https://www.readbyqxmd.com/read/28295003/-epithelial-cadherins-and-associated-molecules-in-invasive-lobular-breast-cancer
#8
Yu M Brilliant, A A Brilliant, S V Sazonov
AIM: to estimate the expression of cell adhesion molecules E- and P-cadherin, as well as that of cadherin-catenin complexes in invasive lobular breast cancer (BC) cells. MATERIAL AND METHODS: 250 cases of postoperative material from patients diagnosed with invasive lobular BC were studied. The expressions of cell adhesion molecules E-cadherin, P-cadherin, β-catenin, p120 catenin, and vimentin were determined by immunohistochemical assay in all cases. The examined cases were divided into molecular biological subtypes, based on the evaluation of estrogen receptors (ER), progesterone receptors (PR), HER-2/neu, and Ki-67 proliferative index...
2017: Arkhiv Patologii
https://www.readbyqxmd.com/read/28294295/breast-cancer-major-changes-in-the-american-joint-committee-on-cancer-eighth-edition-cancer-staging-manual
#9
Armando E Giuliano, James L Connolly, Stephen B Edge, Elizabeth A Mittendorf, Hope S Rugo, Lawrence J Solin, Donald L Weaver, David J Winchester, Gabriel N Hortobagyi
Answer questions and earn CME/CNE The revision of the eighth edition of the primary tumor, lymph node, and metastasis (TNM) classification of the American Joint Commission of Cancer (AJCC) for breast cancer was determined by a multidisciplinary team of breast cancer experts. The panel recognized the need to incorporate biologic factors, such as tumor grade, proliferation rate, estrogen and progesterone receptor expression, human epidermal growth factor 2 (HER2) expression, and gene expression prognostic panels into the staging system...
March 14, 2017: CA: a Cancer Journal for Clinicians
https://www.readbyqxmd.com/read/28292362/invasive-ductal-carcinoma-correlation-of-immunophenotypic-features-with-age
#10
Fouzia Lateef, Saba Jamal, Surrayya Nasir, Zainab Jamil
OBJECTIVE: To evaluate the frequency of hormone receptors and Her2neu expression and their correlation with age in patients of carcinoma breast. STUDY DESIGN: Descriptive, cross-sectional study. PLACE AND DURATION OF STUDY: Department of Histopathology, Dr. Ziauddin Hospital, Karachi, between the period 2006 - 2013. METHODOLOGY: Estrogen receptors, progesterone receptors and Her2neu immunohistochemical staining was performed on all specimens of carcinoma breast of female patients...
January 2017: Journal of the College of Physicians and Surgeons—Pakistan: JCPSP
https://www.readbyqxmd.com/read/28285967/prognostic-factors-in-mnu-and-dmba-induced-mammary-tumors-in-female-rats
#11
Antonieta Alvarado, Ana C Lopes, Ana I Faustino-Rocha, António M S Cabrita, Rita Ferreira, Paula A Oliveira, Bruno Colaço
Chemically-induced mammary tumors in rats by the carcinogens 1-methyl-1-nitrosourea- (MNU) and 7,12-dimethylbenz[a]anthracene (DMBA) are the most widely used models for studies related with human breast cancer. This study aimed to evaluate the immunoexpression of the prognostic factors estrogen receptor α (ERα), progesterone receptor (PR) and Ki-67, in MNU and DMBA-induced rat mammary tumors, in order to know the model that best suits to woman breast cancer. Twenty-eight MNU-induced and 16 DMBA-induced mammary tumors in virgin female Sprague-Dawley rats were analyzed...
February 24, 2017: Pathology, Research and Practice
https://www.readbyqxmd.com/read/28285212/glycogen-rich-clear-cell-carcinoma-grcc-of-the-breast-may-not-have-a-poor-prognosis
#12
Muna M Baslaim, Enaam M Junainah, Hadeel H Ahmad, Anmar F Semilan, Ahmed O Al-Ghamdi, Noora O Rahimuddin, Budoor A Salman
INTRODUCTION: Glycogen Rich Clear Cell Carcinoma (GRCC) is a rare variant of breast carcinomas and believed to be linked with a poor prognosis. CASE SUMMARY: We are presenting a 60-year-old Saudi lady with a 2cm GRCC carcinoma associated with clear cell ductal carcinoma in situ (DCIS) and no axillary lymph node involvement. The tumor was Estrogen and Progesterone receptors (ER & PR) positive and HER 2-neu negative. She underwent mastectomy with sentinel lymph node biopsy followed by hormonal therapy...
February 27, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28281569/treating-triple-negative-breast-cancer-cells-with-erlotinib-plus-a-select-antioxidant-overcomes-drug-resistance-by-targeting-cancer-cell-heterogeneity
#13
Bin Bao, Cristina Mitrea, Priyanga Wijesinghe, Luca Marchetti, Emily Girsch, Rebecca L Farr, Julie L Boerner, Ramzi Mohammad, Greg Dyson, Stanley R Terlecky, Aliccia Bollig-Fischer
Among breast cancer patients, those diagnosed with the triple-negative breast cancer (TNBC) subtype have the worst prog-nosis. TNBC does not express estrogen receptor-alpha, progesterone receptor, or the HER2 oncogene; therefore, TNBC lacks targets for molecularly-guided therapies. The concept that EGFR oncogene inhibitor drugs could be used as targeted treatment against TNBC has been put forth based on estimates that 30-60% of TNBC express high levels of EGFR. However, results from clinical trials testing EGFR inhibitors, alone or in combination with cytotoxic chemotherapy, did not improve patient outcomes...
March 10, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28280092/a-phase-i-ib-study-of-enzalutamide-alone-and-in-combination-with-endocrine-therapies-in-women-with-advanced-breast-cancer
#14
Lee S Schwartzberg, Denise Yardley, Anthony Elias, Manish Patel, Patricia M LoRusso, Howard A Burris, Ayca Gucalp, Amy Peterson, Martha Blaney, Joyce Steinberg, Jacqueline Gibbons, Tiffany A Traina
PURPOSE: Several lines of evidence support targeting the androgen signaling pathway in breast cancer. Enzalutamide is a potent inhibitor of androgen receptor signaling. Preclinical data in estrogen-expressing breast cancer models demonstrated activity of enzalutamide monotherapy and enhanced activity when combined with various endocrine therapies (ETs). Enzalutamide is a strong cytochrome P450 3A4 (CYP3A4) inducer, and ETs are commonly metabolized by CYP3A4. The pharmacokinetic (PK) interactions, safety, and tolerability of enzalutamide monotherapy and in combination with ETs were assessed in this phase I/Ib study...
March 9, 2017: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/28279941/long-term-outcome-of-the-remagus-02-trial-a-multicenter-randomised-phase-ii-trial-in-locally-advanced-breast-cancer%C3%A2-patients-treated-with-neoadjuvant-chemotherapy-with-or-without-celecoxib-or-trastuzumab-according-to-her2-status
#15
Sylvie Giacchetti, Anne-Sophie Hamy, Suzette Delaloge, Etienne Brain, Frédérique Berger, Brigitte Sigal-Zafrani, Marie-Christine Mathieu, Philippe Bertheau, Jean Marc Guinebretière, Mahasti Saghatchian, Florence Lerebours, Chafouny Mazouni, Olivier Tembo, Marc Espié, Fabien Reyal, Michel Marty, Bernard Asselain, Jean-Yves Pierga
BACKGROUND: The REMAGUS-02 multicenter randomised phase II trial showed that the addition to neoadjuvant chemotherapy (NAC) of trastuzumab in patients with localised HER2-positive breast cancer (BC) increased the pathological complete response (pCR) rate and that the addition of celecoxib in HER2-negative cases did not increase the pCR rate. We report here the long-term follow-up results for disease-free survival (DFS) and overall survival (OS). PATIENTS AND METHODS: From 2004 to 2007, 340 stage II-III BC patients were randomly assigned to receive neoadjuvant EC-T (four cycles of epirubicin-cyclophosphamide followed by four cycles of docetaxel) +/- celecoxib in HER2-negative cases (n = 220) and ± trastuzumab in HER2-positive cases (n = 120)...
March 6, 2017: European Journal of Cancer
https://www.readbyqxmd.com/read/28275672/insulin-use-hormone-receptor-status-and-hematopoietic-cytokines-circulation-in-women-with-diabetes-mellitus-and-breast-cancer
#16
Zachary A P Wintrob, Jeffrey P Hammel, George K Nimako, Dan P Gaile, Alan Forrest, Alice C Ceacareanu
Granulocyte colony-stimulating factor (G-CSF) and granulocyte macrophage colony-stimulating factor (GM-CSF) are cytokines of particular interest in oncology from the perspective of neutropenia management (Mehta et al., 2015 [1]) and also as indirect activators of tumor-associated macrophages and modifiers of tumor microenvironment. Associated with poor breast cancer survival and unfavorable hormone receptor status (Wintrob et al., 2017 [2]), insulin may also influence hematopoiesis, thus interfering with colony stimulating factor production...
April 2017: Data in Brief
https://www.readbyqxmd.com/read/28275088/calcium-sensor-ncs-1-promotes-tumor-aggressiveness-and-predicts-patient-survival
#17
Lauren M Moore, Allison England, Barbara E Ehrlich, David L Rimm
Neuronal Calcium Sensor 1 (NCS1) is a multi-functional Ca2+-binding protein that affects a range of cellular processes beyond those related to neurons. Functional characterization of NCS-1 in neuronal model systems suggests that NCS-1 may influence oncogenic processes. To this end, the biological role of NCS-1 was investigated by altering its endogenous expression in MCF-7 and MB-231 breast cancer (BCa) cells. Overexpression of NCS-1 resulted in a more aggressive tumor phenotype demonstrated by a marked increase in invasion and motility, and a decrease in cell-matrix adhesion to collagen IV...
March 8, 2017: Molecular Cancer Research: MCR
https://www.readbyqxmd.com/read/28264697/circulating-gamma-glutamyl-transferase-and-development-of-specific-breast-cancer-subtypes-findings-from-the-apolipoprotein-mortality-risk-amoris-cohort
#18
Lydia Shackshaft, Mieke Van Hemelrijck, Hans Garmo, Håkan Malmström, Mats Lambe, Niklas Hammar, Göran Walldius, Ingmar Jungner, Wahyu Wulaningsih
BACKGROUND: Different etiological pathways may precede development of specific breast cancer subtypes and impact prevention or treatment strategies. We investigated the association between gamma-glutamyl transferase (GGT) and development of specific breast cancer subtypes based on oestrogen receptor (ER), progesterone receptor (PR) and HER2 status. METHODS: We included 231,283 cancer-free women in a Swedish cohort. Associations between GGT and breast cancer subtypes were investigated with nested case-control and case-case analyses...
March 6, 2017: Breast Cancer Research: BCR
https://www.readbyqxmd.com/read/28260236/mediterranean-diet-adherence-and-risk-of-postmenopausal-breast-cancer-results-of-a-cohort-study-and-meta-analysis
#19
Piet A van den Brandt, Maya Schulpen
The Mediterranean Diet (MD) has been associated with reduced mortality and risk of cardiovascular diseases, but there is only limited evidence on cancer. We investigated the relationship between adherence to MD and risk of postmenopausal breast cancer (and estrogen/progesterone receptor subtypes, ER/PR). In the Netherlands Cohort Study, 62,573 women aged 55-69 years provided information on dietary and lifestyle habits in 1986. Follow-up for cancer incidence until 2007 (20.3 years) consisted of record linkages with the Netherlands Cancer Registry and the Dutch Pathology Registry PALGA...
March 5, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28259011/clinical-use-of-biomarkers-in-breast-cancer-updated-guidelines-from-the-european-group-on-tumor-markers-egtm
#20
REVIEW
M J Duffy, N Harbeck, M Nap, R Molina, A Nicolini, E Senkus, F Cardoso
Biomarkers play an essential role in the management of patients with invasive breast cancer. For selecting patients likely to respond to endocrine therapy, both oestrogen receptors (ERs) and progesterone receptors (PRs) should be measured on all newly diagnosed invasive breast cancers. On the other hand, for selecting likely response to all forms of anti-HER2 therapy (trastuzumab, pertuzumab, lapatinib or ado-trastuzumab emtansine), determination of HER2 expression or gene copy number is mandatory. Where feasible, measurement of ER, PR and HER2 should be performed on recurrent lesions and the primary invasive tumour...
February 27, 2017: European Journal of Cancer
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