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https://www.readbyqxmd.com/read/28333918/21-gene-recurrence-score-testing-among-medicare-beneficiaries-with-breast-cancer-in-2010-2013
#1
Julie A Lynch, Brygida Berse, Nicole Coomer, John Kautter
PURPOSE: We evaluated national patient-level utilization of the 21-gene recurrence score (21-gene RS) test among Medicare beneficiaries with breast cancer. We analyzed clinical, demographic, and regional factors that predict testing. METHODS: Using 2010-2013 Medicare claims, we conducted a retrospective study of breast cancer patients. The outcome variable was whether the patient underwent testing. Independent variables expected to predict testing were age, gender, race, Medicaid status, clinical characteristics, and hospital referral region (HRR)...
March 23, 2017: Genetics in Medicine: Official Journal of the American College of Medical Genetics
https://www.readbyqxmd.com/read/28333356/the-safety-and-efficacy-of-controlled-ovarian-hyperstimulation-for-fertility-preservation-in-women-with-early-breast-cancer-a-systematic-review
#2
Rachael J Rodgers, Geoffrey D Reid, Juliette Koch, Rebecca Deans, William L Ledger, Michael Friedlander, Robert B Gilchrist, Kirsty A Walters, Jason A Abbott
STUDY QUESTION: Can controlled ovarian hyperstimulation (COH) for fertility preservation be effectively conducted in women with breast cancer without worsening their prognosis? SUMMARY ANSWER: COH with co-administration of letrozole suppresses oestradiol levels without significantly impacting oocyte yield or decreasing disease-free survival rates. WHAT IS KNOWN ALREADY: Oestradiol has the capacity to stimulate the proliferation of breast cancer cells...
February 27, 2017: Human Reproduction
https://www.readbyqxmd.com/read/28333106/isolation-characterization-and-antiproliferative-activity-of-new-metabolites-from-the-south-african-endemic-red-algal-species-laurencia-alfredensis
#3
Godwin A Dziwornu, Mino R Caira, Jo-Anne de la Mare, Adrienne L Edkins, John J Bolton, Denzil R Beukes, Suthananda N Sunassee
The marine red algae of the genus Laurencia have been widely studied for their structurally diverse and biologically active secondary metabolites. We report here the natural product investigation of the organic extract of a newly identified South African endemic species, Laurencia alfredensis. A sequence of column chromatography, preparative TLC and normal phase HPLC resulted in the isolation of eleven compounds comprising three labdane-type diterpenes (1-3), four polyether triterpenes (4-7), three cholestane-type ecdysteroids (8-10) and a glycolipid (11)...
March 23, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28331768/external-jugular-vein-thrombosis-as-a-sign-of-metastatic-breast-cancer
#4
Metin Yalaza, Mehmet Tolga Kafadar, Esra Yurduseven Çıvgın, Arife Polat Düzgün
External jugular vein thrombosis is a rare vascular event which may lead fatal complication such as sepsis and pulmonary embolism. Its relation to the visceral solid tumor as an etiologic factor has been established well. Although external jugular vein thrombosis may be seen in malignancy, it is unusual to see as a sign of breast cancer. Most of the external jugular vein thrombosis occurs secondary to compression of the vein. Vascular thrombosis due to hypercoagulability is known as Trousseau syndrome. Herein, we present a case of metastatic breast cancer which presented with external jugular vein thrombosis; Trousseau syndrome...
January 2017: J Breast Health (2013)
https://www.readbyqxmd.com/read/28330927/e3-ubiquitin-ligase-ubr5-drives-the-growth-and-metastasis-of-triple-negative-breast-cancer
#5
Liqiu Liao, Mei Song, Xin Li, Lili Tang, Tuo Zhang, Lixing Zhang, Yihang Pan, Lotfi Chouchane, Xiaojing Ma
Patients with triple negative breast cancers (TNBC) are at high risk for recurrence and metastasis at an early time despite standard treatment, underscoring the need for novel therapeutic modalities. Here we report for the first time a distinctive and profound role of the E3 ubiquitin ligase UBR5 in the growth and metastasis of TNBC. An analysis of primary TNBC specimen by whole exon sequencing revealed strong gene amplifications of UBR5 associated with the disease. UBR5 overexpression in TNBC tissues was confirmed at mRNA and protein levels...
March 22, 2017: Cancer Research
https://www.readbyqxmd.com/read/28330704/an-update-on-non-extremity-soft-tissue-sarcomas
#6
S J Ford, L M Almond, A Gronchi
The management of soft tissue sarcoma is challenging and varied. Centralisation of management in high volume specialist centres has revolutionised outcomes. Surgery remains the mainstay of treatment and is currently the only potentially curative therapy. Retroperitoneal soft tissue sarcoma presents a particular challenge to the surgical oncologist and the concept of extended resection to include surrounding expendable organs taken en bloc with the tumour has now largely been adopted. The use of neoadjuvant and adjuvant therapies for retroperitoneal soft tissue sarcoma is still to be established, although they are employed on a case-specific basis...
March 19, 2017: Clinical Oncology: a Journal of the Royal College of Radiologists
https://www.readbyqxmd.com/read/28330310/diversity-and-bioactive-potentials-of-culturable-heterotrophic-bacteria-from-the-surficial-sediments-of-the-arabian-sea
#7
Abdulaziz Anas, Charulatha Nilayangod, C Jasmin, Saradavey Vinothkumar, P S Parameswaran, Shanta Nair
Marine sediments accommodate plethora of diverse microorganisms with varying ecological functions. In the present study, we isolated bacteria from surficial sediments of south east Arabian Sea (AS) and evaluated their bioactive potentials. A total of 131 isolates belonging to the phylum: γ-Proteobacteria (63%), Bacillales (34%) and Micrococcaceae (3%) were isolated. Among these, about 40% of the isolates showed the presence of secondary metabolite biosynthetic genes such as PKS or NRPS or both. Organic extracts of nearly 50% of these organisms were cytotoxic to human breast cancer MCF-7 cells and were bactericidal to human pathogens, Escherichia coli and Pseudomonas sp...
December 2016: 3 Biotech
https://www.readbyqxmd.com/read/28317088/phase-i-trial-of-the-oral-smoothened-inhibitor-sonidegib-in-combination-with-paclitaxel-in-patients-with-advanced-solid-tumors
#8
A Stathis, D Hess, R von Moos, K Homicsko, G Griguolo, M Joerger, M Mark, C J Ackermann, S Allegrini, C V Catapano, A Xyrafas, M Enoiu, S Berardi, P Gargiulo, C Sessa
Purpose To establish a recommended phase II dose (RP2D) for the oral smoothened inhibitor sonidegib in combination with paclitaxel; secondary objectives include evaluation of safety, tolerability, markers of Hedgehog (Hh) signaling and preliminary antitumor activity. Methods Patients with advanced solid tumors were enrolled in cohorts of escalating sonidegib dose levels (400mg, 600mg and 800mg orally, once daily on days 1-28) in combination with paclitaxel 80 mg/m(2) on days 1, 8 and 15 in 4-weekly cycles. Dose-limiting toxicities (DLTs) were assessed using CTCAE v4...
March 20, 2017: Investigational New Drugs
https://www.readbyqxmd.com/read/28304102/design-synthesis-and-cytotoxic-evaluation-of-certain-7-chloro-4-piperazin-1-yl-quinoline-derivatives-as-vegfr-ii-inhibitors
#9
Mohamed Nabil Aboul-Enein, Aida M Abd El-Sattar El-Azzouny, Fatma Abdel-Fattah Ragab, Mohamed Farouk Hamissa
Signaling pathway inhibition of VEGFR-II is visualized as valuable tool in cancer management. In the current study, the synthesis of novel 1-4-(7-chloroquinolin-4-yl)piperazin-1-yl)-2-(N-substituted-amino)-ethanone derivatives (4a-t) was achieved through the amination of 2-chloro-1-(4-(7-chloroquinolin-4-yl)piperazin-1-yl)ethanone (3) with different secondary amines. The structures of the target compounds were confirmed by IR, (1) H-NMR, (13) C-NMR, HRMS, and microanalysis. Compounds 4a-t were subjected to in vitro anticancer screening against human breast cancer (MCF-7) and prostate cancer (PC3) cell lines...
March 17, 2017: Archiv der Pharmazie
https://www.readbyqxmd.com/read/28292569/indocyanine-green-applications-in-plastic-surgery-a-review-of-the-literature
#10
Pierre Burnier, Jérémy Niddam, Romain Bosc, Barbara Hersant, Jean-Paul Meningaud
INTRODUCTION: Use of indocyanine green (ICG) near-infrared fluorescence as a dye to assess tissue vascularization is now well standardized. The aim of this literature review was to review and resume the most recent recommendations for ICG use in its plastic surgery applications. METHODS: A systematic literature review was performed using Medline, EMBASE, and PubMed databases to obtain the latest recommendations for ICG in plastic surgery. Inclusion criteria were all articles written in English language that evaluated pre-, intra-, or postoperative ICG applications in surgical procedures usually performed by plastic surgeons...
February 20, 2017: Journal of Plastic, Reconstructive & Aesthetic Surgery: JPRAS
https://www.readbyqxmd.com/read/28291390/efficacy-and-safety-of-anti-trop-2-antibody-drug-conjugate-sacituzumab-govitecan-immu-132-in-heavily-pretreated-patients-with-metastatic-triple-negative-breast-cancer
#11
Aditya Bardia, Ingrid A Mayer, Jennifer R Diamond, Rebecca L Moroose, Steven J Isakoff, Alexander N Starodub, Nikita C Shah, Joyce O'Shaughnessy, Kevin Kalinsky, Michael Guarino, Vandana Abramson, Dejan Juric, Sara M Tolaney, Jordan Berlin, Wells A Messersmith, Allyson J Ocean, William A Wegener, Pius Maliakal, Robert M Sharkey, Serengulam V Govindan, David M Goldenberg, Linda T Vahdat
Purpose Trop-2, expressed in most triple-negative breast cancers (TNBCs), may be a potential target for antibody-drug conjugates. Sacituzumab govitecan, an antibody-drug conjugate, targets Trop-2 for the selective delivery of SN-38, the active metabolite of irinotecan. Patients and Methods We evaluated sacituzumab govitecan in a single-arm, multicenter trial in patients with relapsed/refractory metastatic TNBC who received a 10 mg/kg starting dose on days 1 and 8 of 21-day repeated cycles. The primary end points were safety and objective response rate; secondary end points were progression-free survival and overall survival...
March 14, 2017: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28289331/screening-of-breast-cancer-stem-cell-inhibitors-using-a-protein-kinase-inhibitor-library
#12
Hack Sun Choi, Dal-Ah Kim, Heesung Chung, In Ho Park, Bo Hye Kim, Eok-Soo Oh, Duk-Hee Kang
BACKGROUND: Cancer stem cells (CSCs), a subpopulation in tumors, are known to cause drug resistance, tumor recurrence and metastasis. Based on the characteristic formation of mammospheres in in vitro conditions, the mammosphere formation assay has become an essential tool for quantifying CSC activity in breast cancer research. However, manual counting of mammospheres is a time-consuming process that is not amenable to high-throughput screening, and there are occasional inaccuracies in the process of determining the mammosphere diameter...
2017: Cancer Cell International
https://www.readbyqxmd.com/read/28287456/secondary-metabolites-from-the-marine-derived-fungus-dichotomomyces-sp-l-8-and-their-cytotoxic-activity
#13
Li-Hong Huang, Yan-Xiu Chen, Jian-Chen Yu, Jie Yuan, Hou-Jin Li, Wen-Zhe Ma, Ramida Watanapokasin, Kun-Chao Hu, Shah Iram Niaz, De-Po Yang, Wen-Jian Lan
Bioassay-guided isolation of the secondary metabolites from the fungus Dichotomomyces sp. L-8 associated with the soft coral Lobophytum crassum led to the discovery of two new compounds, dichotones A and B (1 and 2), together with four known compounds including dichotocejpin C (3), bis-N-norgliovictin (4), bassiatin (5) and (3R,6R)-bassiatin (6). The structures of these compounds were determined by 1D, 2D NMR and mass spectrometry. (3R,6R)-bassiatin (6) displayed significant cytotoxic activities against the human breast cancer cell line MDA-MB-435 and the human lung cancer cell line Calu3 with IC50 values of 7...
March 11, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28283904/using-eprognosis-to-estimate-2-year-all-cause-mortality-in-older-women-with-breast-cancer-cancer-and-leukemia-group-b-calgb-49907-and-369901-alliance-a151503
#14
Gretchen G Kimmick, Brittny Major, Jonathan Clapp, Jeff Sloan, Brandelyn Pitcher, Karla Ballman, Myra Barginear, Rachel A Freedman, Andrew Artz, Heidi D Klepin, Jacqueline M Lafky, Judith Hopkins, Eric Winer, Clifford Hudis, Hyman Muss, Harvey Cohen, Aminah Jatoi, Arti Hurria, Jeanne Mandelblatt
PURPOSE: Tools to estimate survival, such as ePrognosis ( http://eprognosis.ucsf.edu/carey2.php ), were developed for general, not cancer, populations. In older patients with breast cancer, accurate overall survival estimates would facilitate discussions about adjuvant therapies. METHODS: Secondary analyses were performed of data from two parallel breast cancer studies (CALGB/Alliance 49907/NCT000224102 and CALGB/Alliance 369901/NCT00068328). We included patients (n = 971) who were age 70 years and older with complete baseline quality of life data (194 from 49907; 777 from 369901)...
March 10, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28281052/interest-of-an-auto-adjustable-nighttime-compression-sleeve-mobiderm%C3%A2-autofit-in-maintenance-phase-of-upper-limb-lymphedema-the-marilyn-pilot-rct
#15
S Mestre, C Calais, G Gaillard, M Nou, M Pasqualini, C Ben Amor, I Quere
PURPOSE: Breast cancer-related lymphedema (BCRL) is a debilitating condition. The recommended treatment is based on decongestive lymphedema therapy (DLT) with two separate phases: a short-term intensive phase to reduce lymphedema volume and a long-term maintenance phase to stabilize it. Optimizing compression therapy and compliance during maintenance phase are key factors for long-term control of lymphedema. The primary objective of this pilot prospective open-label randomized study was to assess the benefit of a new auto-adjustable nighttime arm sleeve (MOBIDERM® Autofit) on lymphedema volume during the maintenance phase after the intensive phase...
March 9, 2017: Supportive Care in Cancer: Official Journal of the Multinational Association of Supportive Care in Cancer
https://www.readbyqxmd.com/read/28281051/online-support-groups-for-young-women-with-breast-cancer-a-proof-of-concept-study
#16
Joanne Stephen, Adina Rojubally, Wolfgang Linden, Lihong Zhong, Gina Mackenzie, Sahar Mahmoud, Janine Giese-Davis
OBJECTIVE: This initial study examined a therapist-led, synchronous, online support group (OSG) with psycho-education (OSG + E) compared to self-help psycho-education (E). The study aims were to examine proof of concept-feasibility, acceptability, and usefulness-and to hone methods for a formal RCT. METHODS: One hundred five young breast cancer survivors (<50 years) post-treatment were randomized either to OSG + E or E. OSG + E received a therapist-led 10-week synchronous online intervention...
March 9, 2017: Supportive Care in Cancer: Official Journal of the Multinational Association of Supportive Care in Cancer
https://www.readbyqxmd.com/read/28280364/biosimilar-retacrit-%C3%A2-epoetin-zeta-in-the-treatment-of-chemotherapy-induced-symptomatic-anemia-in-hematology-and-oncology-in-germany-orheo-non-interventional-study
#17
Christoph Losem, Michael Koenigsmann, Christine Rudolph
BACKGROUND: Symptomatic anemia is a frequent and severe complication of chemotherapy that is commonly treated with erythropoiesis-stimulating agents. The primary objective of this study was to assess the change in hemoglobin levels in patients with chemotherapy-induced anemia (CIA) following treatment with biosimilar Retacrit(®) (epoetin zeta). Secondary objectives included changes in hematologic parameters and tolerability. METHODS: This was a non-interventional, multicenter, long-term observational study that is part of an ongoing surveillance program for epoetin zeta...
2017: OncoTargets and Therapy
https://www.readbyqxmd.com/read/28279886/secondary-gastric-cancer-malignancies-following-a-breast-cancer-diagnosis-a-population-based-analysis
#18
Alyson L Mahar, Daniel J Kagedan, Julie Hallet, Natalie G Coburn
OBJECTIVE: To quantify the population-risk of developing gastric cancer (GC) following breast cancer (BC). METHODS: GC incidence following a ductal or lobular BC were separately compared to incidence in the general United States population using SEER data. RESULTS: GC rates were similar to the general population for ductal BC. Women aged 35-75 with lobular BC had a significantly higher incidence of GC; women aged 40-44 had the highest risk...
March 6, 2017: Breast: Official Journal of the European Society of Mastology
https://www.readbyqxmd.com/read/28278070/blood-flow-velocity-in-brachial-and-subclavian-vessels-immediately-after-compressive-procedures-for-treatment-of-postcancer-therapy-lymphedema-in-breast-cancer-a-randomized-blind-clinical-trial
#19
Monique Silva Rezende, Ana Luiza Marsengo, Rinaldo Roberto de Jesus Guirro, Elaine Caldeira de Oliveira Guirro
OBJECTIVE: This study sought to evaluate the effect of elastic compression, functional compressive bandaging, and kinesiotherapy on blood flow of the upper limb with lymphedema secondary to the treatment of breast cancer. METHODS: This was a randomized blind crossover clinical trial with a washout period of 7 days between treatments. We evaluated 20 women with a mean age of 66.85 years (standard deviation = 11.76), undergoing three types of therapeutic procedures randomly applied by lot: kinesiotherapy, functional compressive bandaging + kinesiotherapy (FCB), and elastic compression + kinesiotherapy (EC)...
March 2017: Lymphatic Research and Biology
https://www.readbyqxmd.com/read/28276033/effect-of-neoadjuvant-chemotherapy-on-her-2-expression-in-surgically-treated-gastric-and-oesophagogastric-junction-carcinoma-a-multicentre-italian-study
#20
Damiano Chiari, Elena Orsenigo, Giovanni Guarneri, Gian Luca Baiocchi, Elena Mazza, Luca Albarello, Massimiliano Bissolati, Sarah Molfino, Carlo Staudacher
Predictors of response to neoadjuvant chemotherapy are not available for gastric and oesophago-gastric junction carcinoma. HER-2 over-expression in breast cancer correlates with poor prognosis and high incidence of recurrence. First aim of this study was to evaluate if the HER-2 expression/amplification is predictive of response to neoadjuvant chemotherapy in terms of pathologic regression. Secondary aim was to evaluate if HER-2 expression varies after neoadjuvant treatment. Thirty-five patients with locally advanced gastric or oesophago-gastric junction carcinoma underwent preoperative chemotherapy and surgical resection at San Raffaele Scientific Institute and Spedali Civili of Brescia...
March 8, 2017: Updates in Surgery
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