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Breast cancer her2+ recurrence

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https://www.readbyqxmd.com/read/28938164/multifunctional-superparamagnetic-nanoparticles-conjugated-with-fluorescein-labeled-designed-ankyrin-repeat-protein-as-an-efficient-her2-targeted-probe-in-breast-cancer
#1
Dong-Li Li, Jian-Er Tan, Ying Tian, Shun Huang, Peng-Hui Sun, Meng Wang, Yan-Jiang Han, Hong-Sheng Li, Hu-Bing Wu, Xing-Mei Zhang, Yi-Kai Xu, Quan-Shi Wang
Based on the discordance of human epidermal growth factor receptor-2 (HER2) expression between primary and metastatic/recurrent breast cancer, HER2 molecular imaging, which had potential to systemically assess and dynamically monitor HER2 expression, might improve the selection of patients for anti-HER2 therapy. In this study, designed ankyrin repeat protein (DARPin) G3, a novel binding protein with picomolar affinity for HER2, was used and multifunctional superparamagnetic nanoparticles modified with fluorescein-5-maleimide-labeled DARPin G3 (SPIO-G3-5MF) were developed for HER2 imaging...
September 8, 2017: Biomaterials
https://www.readbyqxmd.com/read/28937963/ki67-and-lymphocytes-in-the-pretherapeutic-core-biopsy-of-primary-invasive-breast-cancer-positive-markers-of-therapy-response-prediction-and-superior-survival
#2
REVIEW
Claus M Schlotter, Lothar Tietze, Ulf Vogt, Carlos Villena Heinsen, Antje Hahn
Background Core needle biopsy plays a crucial role as diagnostic tool for BC. Both Ki67 and likely tumor-infiltrating lymphocytes (TILs) in the near future are determining the kind of systemic therapy. The role of TILs in BC is still an issue for clinical research, albeit preliminary results of neoadjuvant and adjuvant clinical studies already now highlight the crucial impact of TILs on therapy response and survival. Methods Evaluation of related publications (pubmed) and meeting abstracts (ASCO, SABCS). Results The monoclonal antibody Ki67 recognizing a nuclear antigene in proliferating cells is a positive marker of therapy response and superior survival...
September 22, 2017: Hormone Molecular Biology and Clinical Investigation
https://www.readbyqxmd.com/read/28930829/the-curative-effects-of-radiotherapy-based-therapies-for-human-epidermal-growth-factor-receptor-2-positive-breast-cancer-a-meta-analysis
#3
Minghai Shao, Chi Zhang, Qin Qin, Zhaoyue Zhang, Hongcheng Zhu, Xiaoke Di, Xinchen Sun
AIM: This meta-analysis was designed to fully assess the curative effects of radiotherapy-based therapies for human epidermal growth factor receptor 2-positive (HER2+) breast cancer (BC). METHODS: English articles were retrieved through searching Cochrane library, PubMed, and Embase databases updated to February 2017. Studies were selected based on the inclusion and exclusion criteria. The curative effects of radiotherapy-based therapies forHER2+ BC patients were assessed using hazard rates (HRs) or odds ratios (ORs), as well as their 95% confidence intervals (CIs)...
September 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28923419/tumor-associated-macrophages-are-strongly-related-to-vascular-invasion-non-luminal-subtypes-and-interval-breast-cancer
#4
Tor A Klingen, Ying Chen, Hans Aas, Elisabeth Wik, Lars A Akslen
Tumor associated macrophages (TAM) resemble M2 macrophages, promote tumor invasion and show strong expression of CD163 in breast cancer. We here investigated the association between CD163 positive macrophages and vascular invasion, molecular subgroups, mode of detection, and patient outcome. We performed a population-based, retrospective study of invasive breast cancer from the Norwegian Breast Cancer Screening Programme in Vestfold County (2004-2009), including 200 screen-detected and 82 interval cancers. Immunohistochemically CD163 positive macrophages were counted in the most active areas (hot-spots) and dichotomized as high (upper quartile) and low counts...
September 15, 2017: Human Pathology
https://www.readbyqxmd.com/read/28922402/new-insights-into-the-metastatic-behavior-after-breast-cancer-surgery-according-to-well-established-clinicopathological-variables-and-molecular-subtypes
#5
Oreste Claudio Buonomo, Emanuele Caredda, Ilaria Portarena, Gianluca Vanni, Augusto Orlandi, Claudia Bagni, Giuseppe Petrella, Leonardo Palombi, Paolo Orsaria
Despite advances in treatment, up to 30% of patients with early breast cancer (BC) experience distant disease relapse. However, a comprehensive understanding of tumor spread and site-specific recurrence patterns remains lacking. This retrospective case-control study included 103 consecutive patients with metastatic BC admitted to our institution (2000-2013). Cases were matched according to age, tumor biology, and clinicopathological features to 221 patients with non-metastatic BC (control group). The median follow-up period among the 324 eligible patients was 7...
2017: PloS One
https://www.readbyqxmd.com/read/28913760/impact-of-histopathology-tumor-infiltrating-lymphocytes-and-adjuvant-chemotherapy-on-prognosis-of-triple-negative-breast-cancer
#6
Roberto A Leon-Ferre, Mei-Yin Polley, Heshan Liu, Judith A Gilbert, Victoria Cafourek, David W Hillman, Ahmed Elkhanany, Margaret Akinhanmi, Jenna Lilyquist, Abigail Thomas, Vivian Negron, Judy C Boughey, Minetta C Liu, James N Ingle, Krishna R Kalari, Fergus J Couch, Daniel W Visscher, Matthew P Goetz
BACKGROUND: Given its high recurrence risk, guidelines recommend systemic therapy for most patients with early-stage triple-negative breast cancer (TNBC). While some clinicopathologic factors and tumor-infiltrating lymphocytes (TILs) are known to be prognostic in patients receiving chemotherapy, their prognostic implications in systemically untreated patients remain unknown. METHODS: From a cohort of 9982 women with surgically treated non-metastatic breast cancer, all patients with clinically reported ER-negative/borderline (≤10%) disease were selected for central assessment of ER/PR/HER2, histopathology, Ki-67, and TILs...
September 14, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28900633/clinical-outcomes-in-patients-with-node-negative-breast-cancer-treated-based-on-the-recurrence-score-results-evidence-from-a-large-prospectively-designed-registry
#7
Salomon M Stemmer, Mariana Steiner, Shulamith Rizel, Lior Soussan-Gutman, Noa Ben-Baruch, Avital Bareket-Samish, David B Geffen, Bella Nisenbaum, Kevin Isaacs, Georgeta Fried, Ora Rosengarten, Beatrice Uziely, Christer Svedman, Debbie McCullough, Tara Maddala, Shmuel H Klang, Jamal Zidan, Larisa Ryvo, Bella Kaufman, Ella Evron, Natalya Karminsky, Hadassah Goldberg, Steven Shak, Nicky Liebermann
The 21-gene Recurrence Score® (RS) assay is a validated prognostic/predictive tool in ER + early-stage breast cancer. However, clinical outcome data from prospective studies in RS ≥ 11 patients are lacking, as are relevant real-life clinical practice data. In this retrospective analysis of a prospectively designed registry, we evaluated treatments/clinical outcomes in patients undergoing RS-testing through Clalit Health Services. The analysis included N0 ER + HER2-negative breast cancer patients who were RS-tested from 1/2006 through 12/2010...
2017: NPJ Breast Cancer
https://www.readbyqxmd.com/read/28900632/clinical-outcomes-in-er-her2-node-positive-breast-cancer-patients-who-were-treated-according-to-the-recurrence-score-results-evidence-from-a-large-prospectively-designed-registry
#8
Salomon M Stemmer, Mariana Steiner, Shulamith Rizel, David B Geffen, Bella Nisenbaum, Tamar Peretz, Lior Soussan-Gutman, Avital Bareket-Samish, Kevin Isaacs, Ora Rosengarten, Georgeta Fried, Debbie McCullough, Christer Svedman, Steven Shak, Nicky Liebermann, Noa Ben-Baruch
The Recurrence Score® is increasingly used in node-positive ER+ HER2-negative breast cancer. This retrospective analysis of a prospectively designed registry evaluated treatments/outcomes in node-positive breast cancer patients who were Recurrence Score-tested through Clalit Health Services from 1/2006 through 12/2011 (N = 709). Medical records were reviewed to verify treatments/recurrences/survival. Median follow-up, 5.9 years; median age, 62 years; 53.9% grade 2; 69.8% tumors ≤ 2 cm; 84.5% invasive ductal carcinoma; 42...
2017: NPJ Breast Cancer
https://www.readbyqxmd.com/read/28885360/the-prognostic-value-and-potential-drug-target-of-phosphatase-and-tensin-homolog-in-breast-cancer-patients-a-meta-analysis
#9
Feng Xu, Chao Zhang, Jianxiu Cui, Jun Liu, Jie Li, Hongchuan Jiang
BACKGROUND: The prognostic significance of phosphatase and tensin homolog (PTEN) in patients with breast cancer (BC) remains controversial. The aims of our meta-analysis are to evaluate its association with clinicopathological characteristics and prognostic value in patients with breast cancer. METHODS: PubMed, EMBASE, Web of Science, and China National Knowledge Infrastructure (CNKI) were systematically searched up to December 2016. The meta-analysis was performed using hazard ratio (HR), odds ratio (OR), and 95% confidence intervals (CI) as effect measures...
September 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28884043/preclinical-and-clinical-applications-of-specific-molecular-imaging-for-her2-positive-breast-cancer
#10
Wei Chen, Xiaofeng Li, Lei Zhu, Jianjing Liu, Wengui Xu, Ping Wang
Precision medicine and personalized therapy are receiving increased attention, and molecular-subtype classification has become crucial in planning therapeutic schedules in clinical practice for patients with breast cancer. Human epidermal growth factor receptor 2 (HER2) is associated with high-grade breast tumors, high rates of lymph-node involvement, high risk of recurrence, and high resistance to general chemotherapy. Analysis of HER2 expression is highly important for doctors to identify patients who can benefit from trastuzumab therapy and monitor the response and efficacy of treatment...
August 2017: Cancer Biology & Medicine
https://www.readbyqxmd.com/read/28884016/analytical-validation-of-a-12-gene-molecular-test-for-the-prediction-of-distant-recurrence-in-breast-cancer
#11
M Bryan Warf, Saradha Rajamani, Kristin Krappmann, Jennifer Doedt, Jared Cassiano, Krystal Brown, Julia E Reid, Ralf Kronenwett, Benjamin B Roa
AIM: To validate the analytical performance of a 12-gene molecular assay that predicts distant recurrence for early-stage ER+/HER2- invasive breast cancer as run within a central reference laboratory. MATERIALS & METHODS: Formalin-fixed paraffin-embedded breast resections were evaluated by quantitative reverse transcription polymerase chain reaction for the expression of eight target genes, three housekeeper genes and one control gene to assess for DNA contamination...
August 2017: Future Science OA
https://www.readbyqxmd.com/read/28878133/exome-capture-rna-sequencing-of-decade-old-breast-cancers-and-matched-decalcified-bone-metastases
#12
Nolan Priedigkeit, Rebecca J Watters, Peter C Lucas, Ahmed Basudan, Rohit Bhargava, William Horne, Jay K Kolls, Zhou Fang, Margaret Q Rosenzweig, Adam M Brufsky, Kurt R Weiss, Steffi Oesterreich, Adrian V Lee
Bone metastases (BoM) are a significant cause of morbidity in patients with estrogen receptor-positive (ER-positive) breast cancer; yet, characterizations of human specimens are limited. In this study, exome-capture RNA sequencing (ecRNA-seq) on aged (8-12 years), formalin-fixed, paraffin-embedded (FFPE), and decalcified cancer specimens was evaluated. Gene expression values and ecRNA-seq quality metrics from FFPE or decalcified tumor RNA showed minimal differences when compared with matched flash-frozen or nondecalcified tumors...
September 7, 2017: JCI Insight
https://www.readbyqxmd.com/read/28876626/application-of-gene-profiling-in-selection-of-adjuvant-therapy-in-breast-cancer-in-a-developing-country
#13
Y Baitchu, J P Apffelstaedt
BACKGROUND: Outcome series for genetic profile tests (MammaPrint/70GP) with medium-term follow-up are rare and the popularity of these tests have now necessitated inclusion into international guidelines. We present here a series with 5-year follow-up from a developing country. METHOD: From 2006 to 2016, patients with histopathologically confirmed breast cancer (cT0-3 and cN0-1) had specimens submitted for 70GP and decisions on adjuvant therapy postsurgery were based on these Results...
June 2017: South African Journal of Surgery. Suid-Afrikaanse Tydskrif Vir Chirurgie
https://www.readbyqxmd.com/read/28876582/application-of-gene-profiling-in-selection-of-adjuvant-therapy-in-breast-cancer-in-a-developing-country
#14
Y Baitchu, J Apffelstaedt
BACKGROUND: Outcome series for genetic profile tests (MammaPrint/70GP) with medium-term follow-up are rare. We present an outcome series with 5-year follow-up from a developing country. METHOD: From 2006 to 2016, patients with histopathologically confirmed breast cancer (cT0-3 and cN0-1) were selected and decisions on adjuvant therapy post-surgery were based on 70GP. Data on outcomes were collected prospectively. RESULTS: There were 154 patients, 140 luminal type, 13 HER2 type and one triple negative; 57...
September 2017: South African Journal of Surgery. Suid-Afrikaanse Tydskrif Vir Chirurgie
https://www.readbyqxmd.com/read/28875243/outcome-after-neoadjuvant-chemotherapy-in-estrogen-receptor-positive-and-progesterone-receptor-negative-breast-cancer-patients-a-pooled-analysis-of-individual-patient-data-from-ten-prospectively-randomized-controlled-neoadjuvant-trials
#15
Marion T van Mackelenbergh, Carsten Denkert, Valentina Nekljudova, Thomas Karn, Christian Schem, Frederik Marmé, Elmar Stickeler, Christian Jackisch, Claus Hanusch, Jens Huober, Peter A Fasching, Jens-Uwe Blohmer, Sherko Kümmel, Volkmar Müller, Andreas Schneeweiss, Michael Untch, Gunter von Minckwitz, Karsten E Weber, Sibylle Loibl
PURPOSE: The estrogen receptor (ER) is involved in control of progesterone receptor (PgR) expression and lack of PgR may be also a surrogate of altered growth factor signaling. The aim of this study was therefore to investigate PgR expression as predictive factor for response to neoadjuvant therapy and long-term outcome. METHODS: Five thousand and six hundred and thirteen patients with primary breast cancer and positive ER expression from ten German neoadjuvant trials of anthracycline and taxane-based chemotherapy were included...
September 5, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28875097/sustained-long-term-maintenance-of-remission-with-single-agent-veliparib-in-recurrent-triple-negative-breast-cancer
#16
Karthik Kota, Shannon Puhalla
Triple-negative breast cancers (TNBC) have poorer outcomes than hormone positive or human epidermal growth factor receptor 2 (HER2)-positive breast cancers, with chemotherapy being the usual standard of care. Veliparib, a poly ADP-ribose polymerase (PARP) inhibitor, has been studied in both breast cancer susceptibility genes 1 and 2 (BRCA)-mutation related and sporadic cancers as a single agent and in combination with chemotherapy. Here, we describe a patient whose metastatic recurrence of TNBC was treated with combination chemotherapy and veliparib followed by maintenance single-therapy veliparib...
July 4, 2017: Curēus
https://www.readbyqxmd.com/read/28874120/the-association-between-smoking-and-breast-cancer-characteristics-and-outcome
#17
Hadar Goldvaser, Omer Gal, Shulamith Rizel, Daniel Hendler, Victoria Neiman, Tzippy Shochat, Aaron Sulkes, Baruch Brenner, Rinat Yerushalmi
BACKGROUND: Smoking is associated with an increased incidence of hormone receptor positive breast cancer. Data regarding worse breast cancer outcome in smokers are accumulating. Current literature regarding the impact of smoking on breast cancer characteristics is limited. We evaluated the impact of smoking on breast cancer characteristics and outcome. METHODS: This was a retrospective single center study. All women diagnosed from 4/2005 through 3/2012 and treated in our institute for early, estrogen receptor positive, human epidermal growth factor receptor 2 (HER2) negative breast cancer, whose tumors were sent for Oncotype DX analysis were included...
September 6, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28870967/safety-for-repeat-lumpectomy-without-radiotherapy-for-ipsilateral-breast-tumor-recurrence
#18
Makoto Ishitobi, Reiko Fukui, Yoko Hashimoto, Nobuyoshi Kittaka, Takahiro Nakayama, Yasuhiro Tamaki
BACKGROUND: There is little information on the local recurrence risk of patients who undergo repeat lumpectomy without radiotherapy after salvage surgery for ipsilateral breast tumor recurrence (IBTR). PATIENTS AND METHODS: Sixty-five patients who underwent repeat lumpectomy without radiotherapy after IBTR were retrospectively analyzed. The risk factors of second IBTR, including the breast cancer subtype of IBTR defined by the estrogen receptor (ER) and HER2 status, were assessed...
September 2017: Anticancer Research
https://www.readbyqxmd.com/read/28866695/the-value-of-nottingham-grade-in-breast-cancer-re-visited-in-the-sri-lankan-setting
#19
H Peiris, L Mudduwa, N Thalagala, K Jayatialake
OBJECTIVE: We aimed to assess the impact of Nottingham grade (NG) on breast cancer specific survival (BCSS) and recurrence free survival (RFS) of operable breast cancer (BC) patients presenting at different TNM stages in view of assessing the value of NG in prognostication of breast cancer in the Sri Lankan setting. METHOD: This retro-prospective study included a consecutive series of TNM stage I to III BC patients presented to our unit from 2006 to 2012. Data were collected through follow up visits, clinic and laboratory records...
August 2017: Malaysian Journal of Pathology
https://www.readbyqxmd.com/read/28862123/results-of-1-year-diet-and-exercise-interventions-for-er-pr%C3%A2-her2-breast-cancer-patients-correlated-with-treatment-type
#20
Diana V Artene, Cristian I Bordea, Alexandru Blidaru
PURPOSE: Many breast cancer patients gain weight during chemotherapy and antiestrogenic treatment increasing recurrence, oncologic specific and all-cause mortality risks. Patients and Methods: 165 ER+/PR±/HER2- breast cancer patients under antiestrogenic treatment were randomly assigned to follow an at-home diet based on food naturally high in proteins, calcium, probiotics and prebiotics (D), or this diet and 4' isometric exercises (D+Ex) for 1 year. We measured weight (W), body (BF) and visceral fat (VF) using a multi-frequency bioelectrical impedance scale on the 6th and 12th month and we correlated results with chemotherapy, surgery and antiestrogenic medication type...
July 2017: Chirurgia
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