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https://www.readbyqxmd.com/read/29792845/current-frontline-endocrine-treatment-options-for-women-with-hormone-receptor-positive-human-epidermal-growth-factor-receptor-2-her2-negative-advanced-stage-breast-cancer
#1
REVIEW
Hikmat N Abdel-Razeq
Despite the recent advances in breast cancer early detection and awareness, a significant portion of patients present with an advanced-stage disease and more patients will progress to stage IV despite adequate treatment of their initial early-stage disease. Hormone receptor (HR)-positive, Human Epidermal Growth Factor Receptor-2 (HER2)-negative subtype is the commonest among all breast cancer subtypes. The management of the advanced-stage disease of this subtype has evolved significantly over the past few years...
May 19, 2018: Hematology/oncology and Stem Cell Therapy
https://www.readbyqxmd.com/read/29792154/exploration-of-hetero-aryl-derived-thienylchalcones-for-antiviral-and-anticancer-activities
#2
Vikrant Patil, Siddappa A Patil, Renukadevi Patil, Alejandro Bugarin, Kenneth Beaman, Shivaputra A Patil
BACKGROUND: Search for new antiviral and anticancer agents are essential because of the emergence of drug resistance in recent years. In continuation of our efforts in identifying the new small molecule antiviral and anticancer agents, we identified chalcones as potent antiviral and anticancer agents. OBJECTIVE: With the aim of identifying the broad acting antiviral and anticancer agents, we discovered substituted aryl/heteroaryl derived thienyl chalcones as antiviral and anticancer agents...
May 23, 2018: Medicinal Chemistry
https://www.readbyqxmd.com/read/29791287/brca1-2-mutations-and-bevacizumab-in-the-neoadjuvant-treatment-of-breast-cancer-response-and-prognosis-results-in-patients-with-triple-negative-breast-cancer-from-the-geparquinto-study
#3
Peter A Fasching, Sibylle Loibl, Chunling Hu, Steven N Hart, Hermela Shimelis, Raymond Moore, Christian Schem, Hans Tesch, Michael Untch, Jörn Hilfrich, Mahdi Rezai, Bernd Gerber, Serban Dan Costa, Jens-Uwe Blohmer, Tanja Fehm, Jens Huober, Cornelia Liedtke, Richard M Weinshilboum, Liewei Wang, James N Ingle, Volkmar Müller, Valentina Nekljudova, Karsten E Weber, Brigitte Rack, Matthias Rübner, Gunter von Minckwitz, Fergus J Couch
Purpose BRCA1/2 mutations are frequent in patients with triple-negative breast cancer (TNBC). These patients are often treated with primary systemic chemotherapy. The aim of this study was to analyze the effects of BRCA1/2 mutations on pathologic complete response (pCR) and disease-free survival (DFS) in a cohort of patients with TNBC treated with anthracycline and taxane-containing chemotherapy, with or without bevacizumab. Patients and Methods Germline DNA was sequenced to identify mutations in BRCA1 and BRCA2 in 493 patients with TNBC from the GeparQuinto study...
May 23, 2018: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/29791285/cardiac-structure-injury-after-radiotherapy-for-breast-cancer-cross-sectional-study-with-individual-patient-data
#4
Carolyn Taylor, Paul McGale, Dorthe Brønnum, Candace Correa, David Cutter, Frances K Duane, Bruna Gigante, Maj-Britt Jensen, Ebbe Lorenzen, Kazem Rahimi, Zhe Wang, Sarah C Darby, Per Hall, Marianne Ewertz
Purpose Incidental cardiac irradiation can cause cardiac injury, but little is known about the effect of radiation on specific cardiac segments. Methods For 456 women who received breast cancer radiotherapy between 1958 and 2001 and then later experienced a major coronary event, information was obtained on the radiotherapy regimen they received and on the location of their cardiac injury. For 414 women, all with documented location of left ventricular (LV) injury, doses to five LV segments were estimated. For 133 women, all with documented location of coronary artery disease with ≥ 70% stenosis, doses to six coronary artery segments were estimated...
May 23, 2018: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/29790419/rictor-gene-amplification-is-correlated-with-metastasis-and-therapeutic-resistance-in-triple-negative-breast-cancer
#5
Said El Shamieh, Fatima Saleh, Salim Moussa, Joseph Kattan, Fadi Farhat
Triple-negative breast cancer (TNBC) is characterized by its aggressive behavior, metastasis and lack of targeted therapies. Herein, we discuss the clinical, histopathological and genetic profile of a woman diagnosed with TNBC. Since the patient had no durable response to chemotherapy, a genetic profiling was carried out. Next-generation sequencing analysis of 592 genes showed a missense mutation, p.E545A in PIK3CA, thus the patient was started on the mTOR inhibitor everolimus, in combination with exemestane, which controlled her pain; however, the disease progressed aggressively...
May 23, 2018: Pharmacogenomics
https://www.readbyqxmd.com/read/29790359/-hereditary-breast-cancer-genetic-etiology-and-current-possibilities-of-prevention-and-surgical-treatment
#6
Alena Puchmajerová, Jannis Tornikidis, Lubor Mrňa, Markéta Havlovicová, Markéta Vlčková, Jana Chrudimská, Milan Macek, Jiří Hoch
Cancer is the second most common cause of death in our population just after cardiovascular diseases, since each third individual will become affected by it during their lifetime. Breast cancer is the most common malignancy in women. The lifetime cumulative risk of breast cancer in women under the age of 75 is around 8 % according to Czech statistics. In 70-75 % of all individuals sporadic breast carcinomas are found, with 5-10 % of all women suffer from the hereditary breast and ovarian cancer (HBOC) syndrome...
2018: Casopís Lékar̆ů C̆eských
https://www.readbyqxmd.com/read/29790178/comparison-of-sentinel-lymph-node-biopsy-guided-by-blue-dye-with-or-without-indocyanine-green-in-early-breast-cancer
#7
Songjie Shen, Qianqian Xu, Yidong Zhou, Feng Mao, Jinghong Guan, Qiang Sun
BACKGROUND: There were limited data available for a head-to-head comparison of the identification rate and survival between the combined method of indocyanine green fluorescence and blue dye versus the traditional blue dye alone method for sentinel lymph node (SLN) biopsy. METHODS: From January 2013 to December 2015, 523 eligible breast cancer patients were included in this nonrandomized prospective analysis. The identification rates, the number of SLNs identified, and the disease-free survival (DFS) between the two mapping methods were compared...
May 22, 2018: Journal of Surgical Oncology
https://www.readbyqxmd.com/read/29790154/omission-of-surgery-in-older-women-with-early-breast-cancer-has-an-adverse-impact-on-breast-cancer-specific-survival
#8
S E Ward, P D Richards, J L Morgan, G R Holmes, J W Broggio, K Collins, M W R Reed, L Wyld
BACKGROUND: Primary endocrine therapy is used as an alternative to surgery in up to 40 per cent of women with early breast cancer aged over 70 years in the UK. This study investigated the impact of surgery versus primary endocrine therapy on breast cancer-specific survival (BCSS) in older women. METHODS: Cancer registration data for 2002-2010 were obtained from two English regions. A retrospective analysis was performed for women with oestrogen receptor (ER)-positive disease, using statistical modelling to show the effect of treatment (surgery or primary endocrine therapy) and age and health status on BCSS...
May 22, 2018: British Journal of Surgery
https://www.readbyqxmd.com/read/29789758/advantages-of-intraoperative-implant-for-interstitial-brachytherapy-for-accelerated-partial-breast-irradiation-either-frail-patients-with-early-stage-disease-or-in-locally-recurrent-breast-cancer
#9
Salvatore Cozzi, Maria Laplana, Dina Najjari, Andrea Slocker, Xavier Encinas, Joan Pera, Ferran Guedea, Cristina Gutierrez
Purpose: To describe the intraoperative multicatheter implantation technique for accelerated partial breast irradiation (APBI) delivered with high-dose-rate brachytherapy (HDR-BT). Secondarily, to evaluate outcomes and toxicity in a series of 83 patients treated with this technique at our institution. Material and methods: Retrospective analysis of a series of patients treated with HDR-BT APBI after intraoperative multicatheter interstitial implant between November 2006 and June 2017 at our institution...
April 2018: Journal of Contemporary Brachytherapy
https://www.readbyqxmd.com/read/29789326/hepatocellular-carcinoma-outcome-is-predicted-by-expression-of-neuronal-calcium-sensor-1
#10
Daniel Schuette, Lauren M Moore, Marie E Robert, Tamar H Taddei, Barbara E Ehrlich
BACKGROUND: Hepatocellular carcinoma (HCC) is the second leading cause of cancer-related death worldwide. There is an urgent demand for prognostic biomarkers that facilitate early tumor detection, as the incidence of HCC has tripled in the USA in the last three decades. Biomarkers to identify populations at risk would have significant impact on survival. We recently found that expression of Neuronal Calcium Sensor 1 (NCS1), a Ca2+-dependent signaling molecule, predicted disease outcome in breast cancer, but its predictive value in other cancer types is unknown...
May 22, 2018: Cancer Epidemiology, Biomarkers & Prevention
https://www.readbyqxmd.com/read/29789187/a-review-of-lymphedema-for-the-hand-and-upper-extremity-surgeon
#11
REVIEW
Assaf A Zeltzer, Alexander Anzarut, Moustapha Hamdi
Secondary lymphedema of the upper limb is frequently seen in Western countries after cancer treatment (most often breast in women). It is a chronic disease that affects quality of life and functioning. In its extreme form, it may be debilitating. A review is given of the pathology, nonsurgical treatment, and surgical treatment with a protocol.
May 19, 2018: Journal of Hand Surgery
https://www.readbyqxmd.com/read/29788371/selective-nanopore-sequencing-of-human-brca1-by-cas9-assisted-targeting-of-chromosome-segments-catch
#12
Tslil Gabrieli, Hila Sharim, Dena Fridman, Nissim Arbib, Yael Michaeli, Yuval Ebenstein
Next generation sequencing (NGS) is challenged by structural and copy number variations larger than the typical read length of several hundred bases. Third-generation sequencing platforms such as single-molecule real-time (SMRT) and nanopore sequencing provide longer reads and are able to characterize variations that are undetected in NGS data. Nevertheless, these technologies suffer from inherent low throughput which prohibits deep sequencing at reasonable cost without target enrichment. Here, we optimized Cas9-Assisted Targeting of CHromosome segments (CATCH) for nanopore sequencing of the breast cancer gene BRCA1...
May 18, 2018: Nucleic Acids Research
https://www.readbyqxmd.com/read/29787442/epidemiology-of-late-health-effects-in-ukrainian-chornobyl-cleanup-workers
#13
Dimitry Bazyka, Anatoly Prysyazhnyuk, Natalya Gudzenko, Iryna Dyagil, David Belyi, Vadim Chumak, Volodymyr Buzunov
This article summarizes the results of 30 y of follow-up of cancer and noncancer effects in Ukrainian cleanup workers after the Chornobyl accident. The number of power plant employees and first responders with acute radiation syndrome under follow-up by the National Research Center for Radiation Medicine decreased from 179 in 1986-1991 to 105 in 2011-2015. Cancers and leukemia (19) and cardiovascular diseases (21) were the main causes of deaths among acute radiation syndrome survivors (54) during the postaccident period...
July 2018: Health Physics
https://www.readbyqxmd.com/read/29787356/selection-of-optimal-adjuvant-chemotherapy-and-targeted-therapy-for-early-breast-cancer-asco-clinical-practice-guideline-focused-update
#14
Neelima Denduluri, Mariana Chavez-MacGregor, Melinda L Telli, Andrea Eisen, Stephanie L Graff, Michael J Hassett, Jamie N Holloway, Arti Hurria, Tari A King, Gary H Lyman, Ann H Partridge, Mark R Somerfield, Maureen E Trudeau, Antonio C Wolff, Sharon H Giordano
Purpose To update key recommendations of the ASCO guideline adaptation of the Cancer Care Ontario guideline on the selection of optimal adjuvant chemotherapy regimens for early breast cancer and adjuvant targeted therapy for breast cancer. Methods An Expert Panel conducted targeted systematic literature reviews guided by a signals approach to identify new, potentially practice-changing data that might translate to revised practice recommendations. Results The Expert Panel reviewed phase III trials that evaluated adjuvant capecitabine after completion of standard preoperative anthracycline- and taxane-based combination chemotherapy by patients with early-stage breast cancer HER2-negative breast cancer with residual invasive disease at surgery; the addition of 1 year of adjuvant pertuzumab to combination chemotherapy and trastuzumab for patients with early-stage, HER2-positive breast cancer; and the use of neratinib as extended adjuvant therapy for patients after combination chemotherapy and trastuzumab-based adjuvant therapy with early-stage, HER2-positive breast cancer...
May 22, 2018: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/29787277/targeting-of-egfr-vegfr2-and-akt-by-engineered-dual-drug-encapsulated-mesoporous-silica-gold-nanoclusters-sensitizes-tamoxifen-resistant-breast-cancer
#15
Bn Prashanth Kumar, Nagaprasad Puvvada, Shashi Rajput, Siddik Sarkar, Madhusudan Kr Mahto, Murali M Yallapu, Amita Pathak, Luni Emdad, Swadesh K Das, Rui L Reis, Subhas C Kundu, Paul B Fisher, Mahitosh Mandal
Tamoxifen has improved overall disease-free survival and reduced mortality rates in cancer patients. However, breast cancer patients often fail to respond to tamoxifen therapy due to the development of a drug-resistant phenotype. Functional analysis and molecular studies suggest that protein mutation and dysregulation of survival signaling molecules such as epidermal growth factor receptor, vascular endothelial growth factor receptor 2 and Akt contribute to tamoxifen resistance. Various strategies, including combinatorial therapies, show to chemo-sensitize tamoxifen-resistant cancers...
May 22, 2018: Molecular Pharmaceutics
https://www.readbyqxmd.com/read/29786848/annual-report-to-the-nation-on-the-status-of-cancer-part-i-national-cancer-statistics
#16
Kathleen A Cronin, Andrew J Lake, Susan Scott, Recinda L Sherman, Anne-Michelle Noone, Nadia Howlader, S Jane Henley, Robert N Anderson, Albert U Firth, Jiemin Ma, Betsy A Kohler, Ahmedin Jemal
BACKGROUND: The American Cancer Society (ACS), the Centers for Disease Control and Prevention (CDC), the National Cancer Institute (NCI), and the North American Association of Central Cancer Registries (NAACCR) collaborate to provide annual updates on cancer occurrence and trends in the United States. METHODS: Incidence data were obtained from the CDC-funded and NCI-funded population-based cancer registry programs and compiled by NAACCR. Data on cancer deaths were obtained from the National Center for Health Statistics National Vital Statistics System...
May 22, 2018: Cancer
https://www.readbyqxmd.com/read/29786793/a-method-for-prostate-and-breast-cancer-cell-spheroid-cultures-using-gelatin-methacryloyl-based-hydrogels
#17
Christoph Meinert, Christina Theodoropoulos, Travis J Klein, Dietmar W Hutmacher, Daniela Loessner
Modern tissue engineering technologies have delivered tools to recreate a cell's naturally occurring niche in vitro and to investigate normal and pathological cell-cell and cell-niche interactions. Hydrogel biomaterials mimic crucial properties of native extracellular matrices, including mechanical support, cell adhesion sites and proteolytic degradability. As such, they are applied as 3D cell culture platforms to replicate tissue-like architectures observed in vivo, allowing physiologically relevant cell behaviors...
2018: Methods in Molecular Biology
https://www.readbyqxmd.com/read/29786782/preclinical-impact-of-high-dose-intermittent-antiangiogenic-tyrosine-kinase-inhibitor-pazopanib-in-intrinsically-resistant-tumor-models
#18
Elaine Reguera-Nuñez, Shan Man, Ping Xu, Robert S Kerbel
Antiangiogenic tyrosine kinase inhibitors (TKIs) target vascular endothelial growth factor receptors and other receptor tyrosine kinases. As a result of toxicity, the clinical failures or the modest benefits associated with antiangiogenic TKI therapy may be related in some cases to suboptimal drug dosing and scheduling, thereby facilitating resistance. Most antiangiogenic TKIs, including pazopanib, are administered on a continuous daily basis. Here, instead, we evaluated the impact of increasing the dose and administering the drug intermittently...
May 21, 2018: Angiogenesis
https://www.readbyqxmd.com/read/29786773/survival-analysis-according-to-period-and-analysis-of-the-factors-influencing-changes-in-survival-in-patients-with-recurrent-breast-cancer-a-large-scale-single-center-study
#19
Sae Byul Lee, Guiyun Sohn, Jisun Kim, Il Yong Chung, Jong Won Lee, Hee Jeong Kim, Beom Seok Ko, Byung Ho Son, Sei-Hyun Ahn
BACKGROUND: We performed this study to analyze changing survival patterns regarding recurrent breast cancer in Korea during the last 16 years (1993-2008). We also sought to determine factors possibly influencing outcomes and changes over time in the duration of survival after recurrence. METHODS: We retrospectively analyzed 9671 patients with breast cancer treated between January 1993 and December 2008, comparing the periods 1993-2002 and 2003-2008.We retrospectively reviewed the collected database including the age at diagnosis, clinical manifestations, pathology report, surgical methods, types of adjuvant treatment modalities, type of recurrence, and follow-up period...
May 21, 2018: Breast Cancer: the Journal of the Japanese Breast Cancer Society
https://www.readbyqxmd.com/read/29786482/human-epidermal-growth-factor-2-positive-breast-cancer-with-mammographic-microcalcification-relationship-to-pathologic-complete-response-after-neoadjuvant-chemotherapy
#20
Fayyaz A K Mazari, Nisha Sharma, David Dodwell, Kieran Horgan
Purpose To determine the relationship between the presence or absence of mammographic calcifications in human epidermal growth factor receptor 2 (HER2)-positive breast cancers and pathologic complete response (pCR) to neoadjuvant chemotherapy and to determine other tumor and clinical characteristics that may be predictive of such a response. Materials and Methods A database of all patients with HER2-positive breast cancer who underwent neoadjuvant chemotherapy between 2007 and 2015 was retrospectively reviewed...
May 16, 2018: Radiology
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