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https://www.readbyqxmd.com/read/28821510/social-and-somatic-determinants-of-underweight-overweight-and-obesity-at-5-years-of-age-a-norwegian-regional-cohort-study
#1
Hilde Mjell Donkor, Jacob Holter Grundt, Pétur Benedikt Júlíusson, Geir Egil Eide, Jørgen Hurum, Robert Bjerknes, Trond Markestad
OBJECTIVE: To identify associations between the weight groups underweight (UW), overweight (OW) and obesity (OB) at 5 years of age and exposures related to pregnancy, anthropometric measures at birth, sociodemographic factors, and family health, anthropometric measures and habits. DESIGN: Regional cohort study. SETTING: Oppland County, Norway. METHODS: Pregnancy data were obtained from a prospective perinatal register for children born in the county, and weight and height were measured by midwives at birth and by public health nurses at 5 years...
August 18, 2017: BMJ Open
https://www.readbyqxmd.com/read/28821000/simultaneous-liquid-chromatography-tandem-mass-spectrometry-analysis-of-brominated-flame-retardants-tetrabromobisphenol-a-and-hexabromocyclododecane-diastereoisomers-in-french-breast-milk
#2
Chanthadary Inthavong, Frédéric Hommet, François Bordet, Virginie Rigourd, Thierry Guérin, Sylviane Dragacci
TBBPA and HBCDs are the two classes of flame retardants that are still allowed for use by the European Commission. In May 2013, HBCDs were listed as Persistent Organic Pollutants under the Stockholm Convention, and they were banned with an exemption on EPS/XPS for cavity wall insulation. This study describes the development and optimisation of a rapid LC-ESI-MS/MS method using isotopic dilution quantification including a simplified extraction step using a mixture of solvents and sulphuric acid hydrolysis followed by the one-shot analysis of TBBPA and each of the α-, β- and γ-HBCD diastereoisomers...
August 8, 2017: Chemosphere
https://www.readbyqxmd.com/read/28819781/comparison-of-synthetic-mammography-reconstructed-from-digital-breast-tomosynthesis-and-digital-mammography-evaluation-of-lesion-conspicuity-and-bi-rads-assessment-categories
#3
Giovanna Mariscotti, Manuela Durando, Nehmat Houssami, Mirella Fasciano, Alberto Tagliafico, Davide Bosco, Cristina Casella, Camilla Bogetti, Laura Bergamasco, Paolo Fonio, Giovanni Gandini
PURPOSE: To compare the interpretive performance of synthetic mammography (SM), reconstructed from digital breast tomosynthesis (DBT), and full-field digital mammography (FFDM) in a diagnostic setting, covering different conditions of breast density and mammographic signs. METHODS: A retrospective analysis was conducted on 231 patients, who underwent FFDM and DBT (from which SM images were reconstructed) between September 2014-September 2015. The study included 250 suspicious breast lesions, all biopsy proven: 148 (59...
August 17, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28817836/sitting-physical-activity-and-serum-oestrogen-metabolism-in-postmenopausal-women-the-women-s-health-initiative-observational-study
#4
Hannah Oh, Hannah Arem, Charles E Matthews, Nicolas Wentzensen, Kerryn W Reding, Louise A Brinton, Garnet L Anderson, Sally B Coburn, Jane A Cauley, Chu Chen, Deborah Goodman, Ruth M Pfeiffer, Roni T Falk, Xia Xu, Britton Trabert
BACKGROUND: Prolonged sitting and lower levels of physical activity have been associated with increased levels of parent oestrogens (oestrone and oestradiol), the key hormones in female cancers, in postmenopausal women. However, it is unknown whether sitting and physical activity are associated with circulating oestrogen metabolite levels. METHODS: Among 1804 postmenopausal women enrolled in the Women's Health Initiative Observational Study, 15 serum oestrogens/oestrogen metabolites were quantified using liquid chromatography-tandem mass spectrometry...
August 17, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/28816969/immediate-breast-reconstruction-with-omental-flap-for-luminal-breast-cancer-patients-ten-clinical-case-reports
#5
Nanlin Li, Zhao Zheng, Jipeng Li, Jing Fan, Ting Wang, Juliang Zhang, Hui Wang, Jianghao Chen, Yonggang Lv, Jun Yi, Meiling Huang, Rui Ling
RATIONALE: Luminal subtype breast cancer, accounting for 70 to 80% of all breast cancers, has been reported to be associated with good prognosis. However, for the patients with large mass or worse mass position, omental flap transplantation may provide a new option for breast reconstruction. PATIENT CONCERNS: Ten patients (6 luminal B1, 2 luminal B2, 2 luminal A), were enrolled into the study, between January 23, 2015 and August 22, 2016. The mean age was 34.6 ± 6...
August 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28816616/transfer-rna-mediated-enhancement-of-ribosomal-proteins-s6-kinases-signalling-for-cell-proliferation
#6
Nam Hoon Kwon, Mi Ran Lee, Jiwon Kong, Seung Kyun Park, Byung Joon Hwang, Byung Gyu Kim, Eun-Shin Lee, Hyeong-Gon Moon, Sunghoon Kim
While transfer RNAs (tRNAs) are known to transport amino acids to ribosome, new functions are being unveiled from tRNAs and their fragments beyond protein synthesis. Here we show that phosphorylation of 90-kDa RPS6K (ribosomal proteins S6 kinase) was enhanced by tRNA(Leu) overexpression under amino acids starvation condition. The phosphorylation of 90-kDa RPS6K was decreased by siRNA specific to tRNA(Leu) and was independent to mTOR (mammalian target of rapamycin) signalling. Among the 90-kDa RPS6K family, RSK1 (ribosomal S6 kinase 1) and MSK2 (mitogen-and stress-activated protein kinase 2) were the major kinases phosphorylated by tRNA(Leu) overexpression...
August 17, 2017: RNA Biology
https://www.readbyqxmd.com/read/28816143/radiation-therapy-versus-no-radiation-therapy-to-the-neo-breast-following-skin-sparing-mastectomy-and-immediate-autologous-free-flap-reconstruction-for-breast-cancer-patient-reported-and-surgical-outcomes-at-1-year-a-mastectomy-reconstruction-outcomes-consortium
#7
Andrew L Cooke, Julian Diaz-Abele, Tom Hayakawa, Ed Buchel, Kimberly Dalke, Pascal Lambert
PURPOSE: To determine whether adjuvant radiation therapy (RT) is associated with adverse patient-reported outcomes and surgical complications 1 year after skin-sparing mastectomy and immediate autologous free flap reconstruction for breast cancer. METHODS AND MATERIALS: We compared 24 domains of patient-reported outcome measures 1 year after autologous reconstruction between patients who received adjuvant RT and those who did not. A total of 125 patients who underwent surgery between 2012 and 2015 at our institution were included from the Mastectomy Reconstruction Outcomes Consortium study database...
September 1, 2017: International Journal of Radiation Oncology, Biology, Physics
https://www.readbyqxmd.com/read/28812461/soft-tissue-perineurioma-in-a-child-with-neurofibromatosis-type-1-a-case-report-and-review-of-the-literature
#8
Mudher Al-Adnani
Soft tissue perineurioma is a rare benign peripheral nerve sheath tumor, especially in children. This manuscript presents an unusual case of soft tissue perineurioma in a 10-year-old boy with neurofibromatosis type 1. The patient presented with a lump in the region of the right breast. A subcutaneous, well circumscribed mass was removed. The cut surface was cream with a vaguely nodular appearance. Histology showed a spindle cell lesion with variable architecture and biphasic morphology. There was no nuclear atypia or pleomorphism...
September 2017: Pediatric and Developmental Pathology
https://www.readbyqxmd.com/read/28810632/a-novel-antitumor-compound-nobiliside-d-isolated-from-sea-cucumber-holothuria-nobilis-selenka
#9
Jia-Jia Zhang, Ke-Qi Zhu
An anticancer compound, triterpene glycoside, was isolated from Holothuria nobilis Selenka. Its chemical structure and configuration were determined by two-dimensional nuclear magnetic resonance spectroscopy and electrospray ionization mass spectrometry. The novel active compound was identified as nobiliside D, with the molecular formula C40H61O17SNa and chemical name 3-O-[-β-D-pyranosyl (1-2)-4'-O-sulfon-ate-β-D-xylopyranosyl]-alkoxy-9-ene-3β, 12α, 17α, 25β-4 alcohol. An antitumor test was performed using xCELLigence Real-Time Cell Analysis...
August 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28808378/rutamarin-an-active-constituent-from-ruta-angustifolia-pers-induced-apoptotic-cell-death-in-the-ht29-colon-adenocarcinoma-cell-line
#10
Shafinah Ahmad Suhaimi, Sok Lai Hong, Sri Nurestri Abdul Malek
BACKGROUND: Ruta angustifolia Pers. is a perennial herb that is cultivated worldwide, including Southeast Asia, for the treatment of various diseases as traditional medicine. OBJECTIVE: The purpose of the study was to identify an active principle of R. angustifolia and to investigate its effect on the HT29 cell death. MATERIALS AND METHODS: The methanol and fractionated extracts (hexane, chloroform, ethyl acetate, and water) of R. angustifolia Pers...
July 2017: Pharmacognosy Magazine
https://www.readbyqxmd.com/read/28806573/digital-breast-tomosynthesis-vacuum-assisted-biopsy-for-tomosynthesis-detected-sonographically-occult-lesions
#11
Nikki S Ariaratnam, Sherrill T Little, Markus A Whitley, Kristy Ferguson
PURPOSE: To assess the utility and pathological results from DBT VAB for lesions occult on 2D mammography and breast ultrasound (US). MATERIALS AND METHODS: A retrospective review of 1116 consecutive stereotactic biopsies was performed over 27months. DBT VAB was performed for 38 non-calcified lesions which were solely detected using DBT. Imaging findings and pathology results were reviewed. RESULTS: Pathologic findings were malignant in 8 of 38 lesions [masses (5) and distortion (3)]...
August 5, 2017: Clinical Imaging
https://www.readbyqxmd.com/read/28805983/challenges-of-measuring-accurate-estradiol-levels-in-aromatase-inhibitor-treated-postmenopausal-breast-cancer-patients-on-vaginal-estrogen-therapy
#12
Polly Niravath, Raksha Bhat, Mohamed Al-Ameri, Ahmed AlRawi, Claudette Foreman, Meghana V Trivedi
Breast cancer patients who are taking adjuvant Aromatase Inhibitor (AI) therapy typically have extremely low estradiol levels, which are undetectable by routine clinical laboratories. Thus, it becomes difficult to assess the safety of interventions such as low-dose vaginal estrogen, which may increase estradiol levels. In this study, we aimed to assess the utility of enzyme-linked immunosorbent assay (ELISA) to measure low estradiol concentrations in breast cancer survivors on AI therapy treated with either vaginal estrogen or lubricant for atrophic vaginitis as a part of clinical trial...
August 2017: Pharmacology Research & Perspectives
https://www.readbyqxmd.com/read/28803384/does-obesity-modify-the-relationship-between-physical-activity-and-breast-cancer-risk
#13
REVIEW
S E Neil-Sztramko, T Boyle, E Milosevic, S F Nugent, C C Gotay, K L Campbell
PURPOSE: With only 5-10% of breast cancer cases attributed to genetic inheritance, prevention efforts have focused on modifiable risk factors. Physical activity plays a role in reducing breast cancer risk; however, the interaction between physical activity and other modifiable risk factors, such as obesity, has received little attention. METHODS: A systematic review and meta-analysis was conducted of studies examining the relationship between physical activity and breast cancer and how it may be modified by body mass index (BMI)...
August 12, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28803230/revised-reference-values-for-potassium-intake
#14
Daniela Strohm, Sabine Ellinger, Eva Leschik-Bonnet, Friederike Maretzke, Helmut Heseker
BACKGROUND: The nutrition societies of Germany, Austria and Switzerland have revised the reference values for potassium intake in January 2017. METHODS: For adults, the estimated value was based on the 24-h urinary potassium excretion and on preventive considerations regarding hypertension and stroke. The estimated values for children and adolescents were extrapolated from the adult estimated value considering differences in body mass. For infants aged 0 to under 4 months, the estimated value was set based on the potassium intake via breast milk...
August 11, 2017: Annals of Nutrition & Metabolism
https://www.readbyqxmd.com/read/28801933/maldi-imaging-guided-microproteomic-analyses-of-heterogeneous-breast-tumors-a-pilot-study
#15
Deborah Alberts, Charles Pottier, Nicolas Smargiasso, Dominique Baiwir, Gabriel Mazzucchelli, Philippe Delvenne, Mark Kriegsmann, Daniel Kazdal, Arne Warth, Edwin De Pauw, Rémi Longuespée
PURPOSE: Matrix-assisted laser desorption/ionization (MALDI) imaging is an ideal tool to study intratumor heterogeneity (ITH) and its implication in prognostic stratification of patients. However there are some drawbacks concerning protein identification. On the other hand, laser microdissection (LMD)-based microproteomics allows retrieving thousands of protein identifications from small tissue pieces. As a proof of concept, we combined these two complementary approaches to analyze heterogeneous regions in breast tumors...
August 11, 2017: Proteomics. Clinical Applications
https://www.readbyqxmd.com/read/28801789/multimodal-laser-ablation-desorption-imaging-analysis-of-zn-and-mmp-11-in-breast-tissues
#16
Raquel González de Vega, María Luisa Fernández Sanchez, Noemí Eiro, Francisco J Vizoso, Michael Sperling, Uwe Karst, Alfredo Sanz Medel
Matrix metalloproteinases (MMPs) are a family of zinc-dependent endopeptidases. The main functions of these metalloproteinases are the degradation of the stromal connective tissue and basement membrane components. Recent data from model systems suggest that MMPs are involved in breast cancer (BC) initiation, invasion, and metastasis. Particularly, MMP-11 (stromelysin-3) is expressed in stromal fibroblasts adjacent to epithelial tumor cells, and high levels of this metalloproteinase were associated with tumor progression and poor prognosis of BC...
August 12, 2017: Analytical and Bioanalytical Chemistry
https://www.readbyqxmd.com/read/28798698/%C3%AE-catenin-knockdown-affects-mitochondrial-biogenesis-and-lipid-metabolism-in-breast-cancer-cells
#17
Daniele Vergara, Eleonora Stanca, Flora Guerra, Paola Priore, Antonio Gaballo, Julien Franck, Pasquale Simeone, Marco Trerotola, Stefania De Domenico, Isabelle Fournier, Cecilia Bucci, Michel Salzet, Anna M Giudetti, Michele Maffia
β-catenin plays an important role as regulatory hub in several cellular processes including cell adhesion, metabolism, and epithelial mesenchymal transition. This is mainly achieved by its dual role as structural component of cadherin-based adherens junctions, and as a key nuclear effector of the Wnt pathway. For this dual role, different classes of proteins are differentially regulated via β-catenin dependent mechanisms. Here, we applied a liquid chromatography-mass spectrometry (LC-MS/MS) approach to identify proteins modulated after β-catenin knockdown in the breast cancer cell line MCF-7...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28796549/association-of-brca-mutation-types-imaging-features-and-pathologic-findings-in-patients-with-breast-cancer-with-brca1-and-brca2-mutations
#18
Su Min Ha, Eun Young Chae, Joo Hee Cha, Hak Hee Kim, Hee Jung Shin, Woo Jung Choi
OBJECTIVE: The purpose of this study is to retrospectively evaluate the relationships between the BRCA mutation types, imaging features, and pathologic findings of breast cancers in BRCA1 and BRCA2 mutation carriers. MATERIALS AND METHODS: We identified patients with breast cancer with BRCA gene mutations from January 2000 to December 2014. After excluding patients who underwent lesion excision before MRI, 99 BRCA1 and 103 BRCA2 lesions in 187 women (mean age, 39...
August 10, 2017: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/28795902/rhabdomyosarcoma-of-the-breast-report-of-a-rare-malignancy
#19
Yufen Yuan, Junna Hou, Yunbao Pan
Rhabdomyosarcoma (RMS) is an uncommon type of soft-tissue malignancy which mainly influences children. RMS rarely occurs in breast and little of the clinical behavior and treatment strategies were reported. Here, we describe a case of adult female patient with breast RMS. A 34-years-old Chinese woman visited to our hospital complaining palpable mass in her left breast. Seven months ago, the patient was diagnosed as lymphocytic mastitis and received surgical excision in the left breast. Five months later, she noticed a palpable mass again in the left breast...
August 10, 2017: Cancer Biology & Therapy
https://www.readbyqxmd.com/read/28793923/concurrent-antitumor-and-bone-protective-effects-of-everolimus-in-osteotropic-breast-cancer
#20
Andrew J Browne, Marie L Kubasch, Andy Göbel, Peyman Hadji, David Chen, Martina Rauner, Friedrich Stölzel, Lorenz C Hofbauer, Tilman D Rachner
BACKGROUND: The mammalian target of rapamycin inhibitor everolimus is approved as an antitumor agent in advanced estrogen receptor-positive breast cancer. Surrogate bone marker data from clinical trials suggest effects on bone metabolism, but the mode of action of everolimus in bone biology remains unclear. In this study, we assessed potential bone-protective effects of everolimus in the context of osteotropic tumors. METHODS: The effects of everolimus on cancer cell viability in vitro and on tumor growth in vivo were assessed...
August 9, 2017: Breast Cancer Research: BCR
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