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https://www.readbyqxmd.com/read/28448900/dual-responsive-magnetic-composite-nanogels-for-thermo-chemotherapy
#1
S Indulekha, P Arunkumar, D Bahadur, R Srivastava
With the onset of hyperthermia and their advantage in increasing vascular perfusion and permeability in the cancer milieu, thermo-responsive polymers have become an attractive candidate for designing therapeutic nano-vehicles for targeted on-demand delivery of bioactive agents. For this purpose, we developed a dual (thermo- and pH-) responsive nanotherapeutic composite system rendering a combinational therapy of hyperthermia mediated drug delivery. This composite system comprises of magnetic chitosan-g-PNVCL (MCP) polymeric nanogels loaded with anticancer drug, Doxorubicin (DOX)...
April 19, 2017: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/28448505/polyphenolic-extract-of-insp-5-ptase-expressing-tomato-plants-reduce-the-proliferation-of-mcf-7-breast-cancer-cells
#2
Mohammad Alimohammadi, Mohamed Hassen Lahiani, Diamond McGehee, Mariya Khodakovskaya
In recent years, by extensive achievements in understanding the mechanisms and the pathways affected by cancer, the focus of cancer research is shifting from developing new chemotherapy methods to using natural compounds with therapeutic properties to reduce the adverse effects of synthetic drugs on human health. We used fruit extracts from previously generated human type I InsP 5-ptase gene expressing transgenic tomato plants for assessment of the anti-cancer activity of established genetically modified tomato lines...
2017: PloS One
https://www.readbyqxmd.com/read/28448389/long-term-results-after-oncoplastic-surgery-for-breast-cancer-a-10-year-follow-up
#3
Krishna B Clough, Raquel F D van la Parra, Helene H Thygesen, Eric Levy, Elisabeth Russ, Najeeb M Halabi, Isabelle Sarfati, Claude Nos
OBJECTIVE: The aim of this study was to evaluate the long-term oncologic outcome after oncoplastic surgery (OPS). BACKGROUND: OPS combines wide tumor excision with reduction mammoplasty techniques thus extending breast conserving surgery to large tumors that might else be proposed a mastectomy. Little data are available about the oncologic results for breast conserving surgery of these larger tumors. METHODS: From January 2004 until March 2016, a total of 350 oncoplastic breast reductions were prospectively entered into a database...
April 26, 2017: Annals of Surgery
https://www.readbyqxmd.com/read/28447434/the-influence-of-different-muscle-mass-measurements-on-the-diagnosis-of-cancer-cachexia
#4
Susanne Blauwhoff-Buskermolen, Jacqueline A E Langius, Annemarie Becker, Henk M W Verheul, Marian A E de van der Schueren
BACKGROUND: Progressive loss of muscle mass is a major characteristic of cancer cachexia. Consensus definitions for cachexia provide different options to measure muscle mass. This study describes the effect of different methods to determine muscle mass on the diagnosis of cancer cachexia. In addition, the association of cachexia with other features of cachexia, quality of life, and survival was explored. METHODS: Prior to chemotherapy, cachexia was assessed by weight loss, body mass index, and muscle mass measurements, the latter by mid-upper arm muscle area (MUAMA), computed tomography (CT) scans, and bio-electrical impedance analysis (BIA)...
April 26, 2017: Journal of Cachexia, Sarcopenia and Muscle
https://www.readbyqxmd.com/read/28447240/relationship-between-ihc4-score-and-response-to-neo-adjuvant-chemotherapy-in-estrogen-receptor-positive-breast-cancer
#5
A Sheri, I E Smith, M Hills, R L Jones, S R Johnston, M Dowsett
AIMS: To determine whether IHC4 score assessed on pre-treatment core biopsies (i) predicts response to neo-adjuvant chemotherapy in ER-positive (ER+) breast cancer; (ii) provides more predictive information than Ki67 alone. METHODS: 113 patients with ER+ primary breast cancer treated with neo-adjuvant chemotherapy at the Royal Marsden Hospital between 2002 and 2010 were included in the study. Pathologic assessment of the excision specimen was made for residual disease...
April 26, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28447238/effects-of-hepatitis-c-virus-infection-on-the-safety-of-chemotherapy-for-breast-cancer-patients
#6
Yu Liu, Zhan-Yi Li, Jia-Ni Wang, Xi Li, Qun-Ai Huang, Yong Huang
PURPOSE: Hepatitis C virus (HCV) is one of the major pathogens of chronic viral hepatitis, and approximately 38 million patients are infected with HCV in China. However, little information is available on the effect of HCV infection during chemotherapy for breast cancer and the impact of HCV infection on the toxicity of chemotherapy and targeted therapy. METHODS: We performed a retrospective survey of 835 patients who were diagnosed with breast cancer between January 2010 and December 2015 at our institution...
April 26, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28447218/pertuzumab-trastuzumab-ct-versus-trastuzumab-ct-therapy-for-her2-breast-cancer-results-from-the-prospective-neoadjuvant-breast-registry-symphony-trial-nbrst
#7
Peter Beitsch, Pat Whitworth, Paul Baron, Michael C Rotkis, Angela M Mislowsky, Paul D Richards, Mary K Murray, James V Pellicane, Carrie L Dul, Charles H Nash, Lisette Stork-Sloots, Femke de Snoo, Sarah Untch, Laura A Lee
BACKGROUND: Pertuzumab became a standard part of neoadjuvant therapy for human epidermal growth factor receptor 2-positive (HER2+) breast cancers approximately halfway through Neoadjuvant Breast Registry Symphony Trial (NBRST) enrollment, providing a unique opportunity to determine biologically which clinical HER2+ patients benefit most from dual targeting. As a neoadjuvant phase 4 study, NBRST classifies patients by both conventional and molecular subtyping. METHODS: Of 308 clinical HER2+ patients enrolled in NBRST between 2011 and 2014 from 62 U...
April 26, 2017: Annals of Surgical Oncology
https://www.readbyqxmd.com/read/28446533/prognostic-evaluation-of-epidermal-growth-factor-receptor-egfr-genotype-and-phenotype-parameters-in-triple-negative-breast-cancers
#8
Sofia Levva, Vassiliki Kotoula, Ioannis Kostopoulos, Kyriaki Manousou, Christos Papadimitriou, Kyriaki Papadopoulou, Sotiris Lakis, Kyriakos Koukoulias, Vasilios Karavasilis, George Pentheroudakis, Eufemia Balassi, Flora Zagouri, Ioannis G Kaklamanos, Dimitrios Pectasides, Evangelia Razis, Gerasimos Aravantinos, Pavlos Papakostas, Dimitrios Bafaloukos, Grigorios Rallis, Helen Gogas, George Fountzilas
BACKGROUND: Epidermal growth factor receptor (EGFR) aberrations have been implicated in the pathogenesis of triple-negative breast cancer (TNBC) but their impact on prognosis and, therefore, druggability, remain controversial. Herein, we studied EGFR aberrations at different molecular levels and assessed their prognostic impact in patients with operable TNBC treated with adjuvant anthracycline-based chemotherapy. MATERIALS AND METHODS: We evaluated the prognostic impact of EGFR gene status by fluorescent in situ hybridization (FISH), EGFR coding mutations by Sanger and next-generation sequencing, relative EGFR messenger RNA (mRNA) levels by qPCR (upper quartile) and EGFR and p53 protein expression by immunohistochemistry (IHC), in 352 centrally-assessed tumors from an equal number of TNBC patients...
May 2017: Cancer Genomics & Proteomics
https://www.readbyqxmd.com/read/28446320/-advances-in-diagnosis-and-treatment-of-primary-breast-lymphoma-review
#9
Zhong-Ling Wei, Dong-Ping Huang
Primary breast lymphoma(PBL) is a rare and unique type of lymphoma. Female patients are the majority, but its pathogenesis is not clear, and the estrogen may be related with the pathoganesis. Women who have breast implants have more chance to be suffered. The painless breast masses are the most common clinical manifestations, which is similar to breast cancer. Surgical resection of the mass and core needle biopsy are helpful for the diagnosis. The most common pathological type of PBL is diffuse large B cell type, with non GCB type, and it is prone to extranodal relapse in which central nervous system relapse is common which has poor prognosis...
April 2017: Zhongguo Shi Yan Xue Ye Xue za Zhi
https://www.readbyqxmd.com/read/28446242/activity-of-distinct-growth-factor-receptor-network-components-in-breast-tumors-uncovers-two-biologically-relevant-subtypes
#10
Mumtahena Rahman, Shelley M MacNeil, David F Jenkins, Gajendra Shrestha, Sydney R Wyatt, Jasmine A McQuerry, Stephen R Piccolo, Laura M Heiser, Joe W Gray, W Evan Johnson, Andrea H Bild
BACKGROUND: The growth factor receptor network (GFRN) plays a significant role in driving key oncogenic processes. However, assessment of global GFRN activity is challenging due to complex crosstalk among GFRN components, or pathways, and the inability to study complex signaling networks in patient tumors. Here, pathway-specific genomic signatures were used to interrogate GFRN activity in breast tumors and the consequent phenotypic impact of GRFN activity patterns. METHODS: Novel pathway signatures were generated in human primary mammary epithelial cells by overexpressing key genes from GFRN pathways (HER2, IGF1R, AKT1, EGFR, KRAS (G12V), RAF1, BAD)...
April 26, 2017: Genome Medicine
https://www.readbyqxmd.com/read/28446141/a-mobile-application-of-breast-cancer-e-support-program-versus-routine-care-in-the-treatment-of-chinese-women-with-breast-cancer-undergoing-chemotherapy-study-protocol-for-a-randomized-controlled-trial
#11
Jiemin Zhu, Lyn Ebert, Xiangyu Liu, Sally Wai-Chi Chan
BACKGROUND: Women with breast cancer undergoing chemotherapy suffer from a number of symptoms and report receiving inadequate support from health care professionals. Innovative and easily accessible interventions are lacking. Breast Cancer e-Support is a mobile Application program (App) that provides patients with individually tailored information and a support group of peers and health care professionals. Breast Cancer e-Support aims to promote women's self-efficacy, social support and symptom management, thus improving their quality of life and psychological well-being...
April 26, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28446127/sample-size-and-power-determination-when-limited-preliminary-information-is-available
#12
Christine E McLaren, Wen-Pin Chen, Thomas D O'Sullivan, Daniel L Gillen, Min-Ying Su, Jeon H Chen, Bruce J Tromberg
BACKGROUND: We describe a novel strategy for power and sample size determination developed for studies utilizing investigational technologies with limited available preliminary data, specifically of imaging biomarkers. We evaluated diffuse optical spectroscopic imaging (DOSI), an experimental noninvasive imaging technique that may be capable of assessing changes in mammographic density. Because there is significant evidence that tamoxifen treatment is more effective at reducing breast cancer risk when accompanied by a reduction of breast density, we designed a study to assess the changes from baseline in DOSI imaging biomarkers that may reflect fluctuations in breast density in premenopausal women receiving tamoxifen...
April 26, 2017: BMC Medical Research Methodology
https://www.readbyqxmd.com/read/28445946/dose-invasive-apocrine-adenocarcinoma-has-worse-prognosis-than-invasive-ductal-carcinoma-of-breast-evidence-from-seer-database
#13
Ning Zhang, Hanwen Zhang, Tong Chen, Qifeng Yang
BACKGROUND: Invasive apocrine adenocarcinoma (AAC) of breast is a rare histopathological subtype of breast carcinomas. We aim to investigate the different characteristics and prognostic outcomes between AAC and invasive ductal carcinoma (IDC) of breast cancer. RESULTS: AAC patients presented with older ages, more aggressive behaviors, lower ER and PR proportions, higher HER2 amplification rates and less application of breast-conserving therapy and adjuvant chemotherapy compared to IDC patients...
April 11, 2017: Oncotarget
https://www.readbyqxmd.com/read/28445132/targeting-autophagic-cancer-stem-cells-to-reverse-chemoresistance-in-human-triple-negative-breast-cancer
#14
Guilhem Bousquet, Morad El Bouchtaoui, Tan Sophie, Christophe Leboeuf, Cédric de Bazelaire, Philippe Ratajczak, Sylvie Giacchetti, Anne de Roquancourt, Philippe Bertheau, Laurence Verneuil, Jean-Paul Feugeas, Marc Espié, Anne Janin
There is growing evidence for the role of cancer stem-cells in drug resistance, but with few in situ studies on human tumor samples to decipher the mechanisms by which they resist anticancer agents.Triple negative breast cancer (TNBC) is the most severe sub-type of breast cancer, occurring in younger women and associated with poor prognosis even when treated at a localized stage.We investigated here the relationship between complete pathological response after chemotherapy and breast cancer stem-cell characteristics in pre-treatment biopsies of 78 women with triple negative breast carcinoma (TNBC)...
April 7, 2017: Oncotarget
https://www.readbyqxmd.com/read/28443287/brachial-approach-as-an-alternative-technique-of-fibrin-sheath-removal-for-implanted-venous-access-devices
#15
Charalampos Sotiriadis, Steven David Hajdu, Francesco Doenz, Salah D Qanadli
Implanted venous access device (IVAD) late dysfunction is commonly caused by fibrin sheath formation. The standard method of endovascular fibrin sheath removal is performed via the femoral vein. However, it is not always technically feasible and sometimes contraindicated. Moreover, approximately 4-6 h of bed rest is necessary after the procedure. In this article, we describe an alternative method of fibrin sheath removal using the brachial vein approach in a young woman receiving chemotherapy for breast cancer...
2017: Frontiers in Surgery
https://www.readbyqxmd.com/read/28442511/circulating-mirna-profiles-of-doxorubicin-induced-cardiotoxicity-in-breast-cancer-patients
#16
Valentina K Todorova, Issam Makhoul, Jeanne Wei, V S Klimberg
Doxorubicin (DOX) cardiotoxicity is unpredictable and begins with the first dose of chemotherapy. This study aimed to obtain information about circulating microRNA of cancer patients in the early dose of DOX chemotherapy, who either did or did not develop cardiac abnormality after the completion of chemotherapy. Plasma of 20 patients treated for breast cancer with DOX-chemotherapy was analyzed using quantitative RT-PCR. Circulating microRNA profiles of patients with DOX cardiotoxicity were compared to microRNA profiles of patients without DOX cardiotoxicity by quantitative real-time PCR...
March 2017: Annals of Clinical and Laboratory Science
https://www.readbyqxmd.com/read/28441891/investigational-and-experimental-gnrh-analogs-and-associated-neurotransmitters
#17
Zeev Blumenfeld
The GnRH agonistic analogs enable for desensitizing the hypothalamo-pituitary-gonadal axis in malignant and benign conditions where minimizing the production of sex hormones, or blocking ovulation is necessary. The possible indications are prostate cancer, benign prostate hyperplasia, breast cancer, endometriosis, precocious puberty, uterine leiomyomata, assisted reproduction (ART)/in vitro fertilization (IVF), PCOS, minimizing the gonadotoxic effect of chemotherapy in young women, and possibly ovarian cancer...
April 25, 2017: Expert Opinion on Investigational Drugs
https://www.readbyqxmd.com/read/28441789/comparing-apoptosis-and-necrosis-effects-of-arctium-lappa-root-extract-and-doxorubicin-on-mcf7-and-mda-mb-231-cell-lines
#18
Fereshteh Ghafari, Mohammad Reza Rajabi, Tahereh Mazoochi, Mohsen Taghizadeh, Hossein Nikzad, Mohammad Ali Atlasi, Aliakbar Taherian
Objective: Breast cancer is a heterogeneous disease and very common malignancy in women worldwide. The efficacy of chemotherapy as an important part of breast cancer treatment is limited due to its side effects. While pharmaceutical companies are looking for better chemicals, research on traditional medicines that generally have fewer side effects is quite interesting. In this study, apoptosis and necrosis effect of Arctium lappa and doxorubicin was compared in MCF7, and MDA-MB-231 cell lines. Materials and Methods: MCF7 and MDA-MB-231 cells were cultured in RPMI 1640 containing 10% FBS and 100 U/ml penicillin/streptomycin...
March 1, 2017: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/28441617/the-magic-survey-in-hormone-receptor-positive-hr-her2-negative-her2-breast-cancer-when-might-multigene-assays-be-of-value
#19
Matti Aapro, Michelino De Laurentiis, Dan Rea, Juan Enrique Bargallo Rocha, Roberto Elizalde, László Landherr, Barbro Linderholm, Eleftherios Mamounas, Christos Markopoulos, Patrick Neven, Alexander Petrovsky, Roman Rouzier, Vincent Smit, Christer Svedman, Daniel Schneider, Christoph Thomssen, Miguel Martin
BACKGROUND: A modest proportion of patients with early stage hormone receptor-positive (HR+), HER2-negative (HER2-) breast cancer benefit from adjuvant chemotherapy. Traditionally, treatment recommendations are based on clinical/pathologic criteria that are not predictive of chemotherapy benefit. Multigene assays provide prognostic and predictive information that can help to make more informed treatment decisions. The MAGIC survey evaluated international differences in treatment recommendations, how traditional parameters are used for making treatment choices, and for which patients treating physicians feel most uncertain about their decisions...
April 22, 2017: Breast: Official Journal of the European Society of Mastology
https://www.readbyqxmd.com/read/28441110/effects-of-the-us-food-and-drug-administration-boxed-warning-of-erythropoietin-stimulating-agents-on-utilization-and-adverse-outcome
#20
John Bian, Brian Chen, Dawn L Hershman, Norman Marks, LeAnn Norris, Richard Schulz, Charles Bennett
Purpose In March 2007, a US Food and Drug Administration boxed warning was issued for erythropoietin-stimulating agents (ESAs) regarding serious adverse events, such as venous thromboembolism (VTE). We evaluated the US Food and Drug Administration's boxed warning of ESAs used to treat chemotherapy-induced anemia because evidence on the effectiveness of boxed warnings remains inconclusive. Patients and Methods Using 2004 to 2009 SEER-Medicare data, we exploited a natural experiment to examine the effects of ESA boxed warnings on utilization and risk of VTE...
April 25, 2017: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
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