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https://www.readbyqxmd.com/read/28640864/targeting-breast-cancer-cells-by-mrs1477-a-positive-allosteric-modulator-of-trpv1-channels
#1
Mustafa Nazıroğlu, Bilal Çiğ, Walter Blum, Csaba Vizler, Andrea Buhala, Annamária Marton, Róbert Katona, Katalin Jósvay, Beat Schwaller, Zoltán Oláh, László Pecze
There is convincing epidemiological and experimental evidence that capsaicin, a potent natural transient receptor potential cation channel vanilloid member 1 (TRPV1) agonist, has anticancer activity. However, capsaicin cannot be given systemically in large doses, because of its induction of acute pain and neurological inflammation. MRS1477, a dihydropyridine derivative acts as a positive allosteric modulator of TRPV1, if added together with capsaicin, but is ineffective, if given alone. Addition of MRS1477 evoked Ca2+ signals in MCF7 breast cancer cells, but not in primary breast epithelial cells...
2017: PloS One
https://www.readbyqxmd.com/read/28639832/comparing-diagnostic-performance-of-digital-breast-tomosynthesis-and-full-field-digital-mammography-in-a-hybrid-screening-environment
#2
Catherine S Giess, Sarvenaz Pourjabbar, Ivan K Ip, Ronilda Lacson, Emily Alper, Ramin Khorasani
OBJECTIVE: The purpose of this study is to compare the diagnostic performance of screening digital breast tomosynthesis (DBT) to that of full-field digital mammography (FFDM) in a mixed DBT and FFDM imaging environment. MATERIALS AND METHODS: This retrospective observational study consisted of all female patients undergoing screening DBT or FFDM at an academic medical center and outpatient imaging facility between October 2012 and May 2015. Patient demographics and personal history of breast cancer were collected from the electronic medical record...
June 22, 2017: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/28639157/exercise-for-improving-bone-health-in-women-treated-for-stages-i-iii-breast-cancer-a-systematic-review-and-meta-analyses
#3
REVIEW
Canan P Fornusek, Sharon L Kilbreath
PURPOSE: The purpose of this study was to evaluate the efficacy of exercise, either alone or in combination with other interventions, compared to a control, for the preservation of bone mineral density (BMD) in early breast cancer (BC) patients. METHODS: A systematic search was conducted to identify randomized or quasi-randomized trials which met inclusion criteria including prescribed exercise for ≥12 months. Ten publications from seven randomized controlled trials (RCTs), involving 1199 participants, were identified...
June 21, 2017: Journal of Cancer Survivorship: Research and Practice
https://www.readbyqxmd.com/read/28635983/risk-factors-for-re-excision-following-breast-conserving-surgery
#4
Kimberly Rodriguez, Gayle G Wilkins, Patricia Newcomb, Patricia A Gwirtz, Robin Skrine
PURPOSE/OBJECTIVES: To identify previously unstudied factors predicting re-excision following breast-conserving surgery (BCS) and to assess the feasibility of obtaining data about breast density for predictive modeling.
. DESIGN: Retrospective secondary data analysis.
. SETTING: Data were obtained from the cancer registry and electronic health records (EHRs) at Texas Health Harris Methodist Hospital, a large, urban, private, nonprofit hospital in North Texas...
May 1, 2017: Oncology Nursing Forum
https://www.readbyqxmd.com/read/28633324/mammographic-density-reduction-as-a-prognostic-marker-for-postmenopausal-breast-cancer-results-using-a-joint-longitudinal-survival-modelling-approach
#5
Therese M-L Andersson, Michael J Crowther, Kamila Czene, Per Hall, Keith Humphreys
Previous studies have linked reductions in mammographic density after a breast cancer diagnosis to an improved prognosis. These studies focused on short-term change, using a two-stage process, treating estimated change as a fixed covariate in a survival model. We propose the use of a joint longitudinal-survival model. This enables us to model long-term trends in density while accounting for drop-out as well as for measurement error. We study the change in mammographic density after a breast cancer diagnosis and its association with prognosis (measured by cause-specific mortality), overall and with respect to hormone replacement therapy and tamoxifen treatment...
June 13, 2017: American Journal of Epidemiology
https://www.readbyqxmd.com/read/28630415/integrating-genome-and-transcriptome-profiling-for-elucidating-the-mechanism-of-muscle-growth-and-lipid-deposition-in-pekin-ducks
#6
Liyuan Wang, Xiangxiang Li, Jun Ma, Yawen Zhang, Hao Zhang
Muscle growth and lipid deposition are co-ordinately regulated processes. Cherry Valley Pekin duck is a lean-type duck breed with high growth rate, whereas the native Pekin duck of China has high lipid deposition. Phenotypic analysis showed that native Pekin ducks have smaller fibre diameter and larger density in the breast muscle at 3 weeks of age and higher intramuscular fat content at 6 weeks of age than those in Cherry Valley Pekin ducks. We detected 17 positively selected genes (PSGs) by comparing genes mainly involved with muscle organ development, muscle contraction, peroxisome proliferator activated receptor signalling pathway, and fatty acid metabolism...
June 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28628992/estimating-linkages-between-forest-structural-variables-and-rainfall-interception-parameters-in-semi-arid-deciduous-oak-forest-stands
#7
O Fathizadeh, S M Hosseini, A Zimmermann, R F Keim, A Darvishi Boloorani
An understanding of the relationship between canopy structure and the water balance is needed for predicting how forest structure changes affect rainfall partitioning and, consequently, water resources. The objective of this study was to predict rainfall interception (I) and canopy storage capacity (S) using canopy structure variables and to investigate how seasonal changes influence their relationship. The study was conducted in twelve 50m×50m plots in the Zagros forest in the western Iranian state of Ilam, protected forests of Dalab region...
June 13, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28628728/characterizing-the-detection-threshold-for-optical-imaging-in-surgical-oncology
#8
Andrew C Prince, Aditi Jani, Melissa Korb, Kiranya E Tipirneni, Benjamin B Kasten, Eben L Rosenthal, Jason M Warram
BACKGROUND AND OBJECTIVES: Optical imaging to guide cancer resections is rapidly transitioning into the operating room. However, the sensitivity of this technique to detect subclinical disease is yet characterized. The purpose of this study was to determine the minimum range of cancer cells that can be detected by antibody-based fluorescence imaging. METHODS: 2LMP (breast), COLO-205 (colon), MiaPaca-2 (pancreas), and SCC-1 (head and neck) cells incubated in vitro with cetuximab-IRDye800CW (dose range 8...
June 19, 2017: Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28626628/assessing-fracture-risk-in-early-stage-breast-cancer-patients-treated-with-aromatase-inhibitors-an-enhanced-screening-approach-incorporating-trabecular-bone-score
#9
Veronica Mariotti, David B Page, Oksana Davydov, Didier Hans, Clifford A Hudis, Sujata Patil, Siddharth Kunte, Monica Girotra, Azeez Farooki, Monica N Fornier
INTRODUCTION: Aromatase-inhibitors (AIs) are commonly used for treatment of patients with hormone-receptor positive breast carcinoma, and are known to induce bone density loss and increase the risk of fractures. The current standard-of-care screening tool for fracture risk is bone mineral density (BMD) by dual-energy X-ray absorptiometry (DXA). The fracture risk assessment tool (FRAX®) may be used in conjunction with BMD to identify additional osteopenic patients at risk of fracture who may benefit from a bone-modifying agent (BMA)...
June 2017: Journal of Bone Oncology
https://www.readbyqxmd.com/read/28626128/a-case-of-matrix-producing-carcinoma-of-the-breast
#10
Yuzuru Inoue, Fumi Joden, Kei Yabuki, Nagahiro Sato, Noritaka Minagawa, Takefumi Katsuki, Norihiro Sato, Takahisa Nagata, Kazunori Shibao, Atsuji Matsuyama, Takatoshi Aoki, Keiji Hirata
A 61-year-old woman was referred to our hospital because of a right breast mass. A 19 mm hard mass was palpable in the A area of the right breast. A contrast-enhanced MRI showed rim enhancement at the peripheral region of the tumor, which was thought to represent the carcinoma component mainly at the periphery and the matrix component inside the tumor. A low density mass with rim enhancement at the peripheral region was observed in a contrast-enhanced CT, the same as in the MRI. Neither axillary lymph node metastasis nor distant metastasis was observed...
2017: Journal of UOEH
https://www.readbyqxmd.com/read/28624977/interaction-of-mammographic-breast-density-with-menopausal-status-and-postmenopausal-hormone-use-in-relation-to-the-risk-of-aggressive-breast-cancer-subtypes
#11
Lusine Yaghjyan, Rulla M Tamimi, Kimberly A Bertrand, Christopher G Scott, Matthew R Jensen, V Shane Pankratz, Kathy Brandt, Daniel Visscher, Aaron Norman, Fergus Couch, John Shepherd, Bo Fan, Yunn-Yi Chen, Lin Ma, Andrew H Beck, Steven R Cummings, Karla Kerlikowske, Celine M Vachon
PURPOSE: We examined the associations of mammographic breast density with breast cancer risk by tumor aggressiveness and by menopausal status and current postmenopausal hormone therapy. METHODS: This study included 2596 invasive breast cancer cases and 4059 controls selected from participants of four nested case-control studies within four established cohorts: the Mayo Mammography Health Study, the Nurses' Health Study, Nurses' Health Study II, and San Francisco Mammography Registry...
June 17, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28623970/localization-of-the-placental-bcrp-abcg2-transporter-to-lipid-rafts-role-for-cholesterol-in-mediating-efflux-activity
#12
John T Szilagyi, Anna M Vetrano, Jeffrey D Laskin, Lauren M Aleksunes
INTRODUCTION: The breast cancer resistance protein (BCRP/ABCG2) is an efflux transporter in the placental barrier. By transporting chemicals from the fetal to the maternal circulation, BCRP limits fetal exposure to a range of drugs, toxicants, and endobiotics such as bile acids and hormones. The purpose of the present studies was to 1) determine whether BCRP localizes to highly-ordered, cholesterol-rich lipid raft microdomains in placenta microvillous membranes, and 2) determine the impact of cholesterol on BCRP-mediated placental transport in vitro...
July 2017: Placenta
https://www.readbyqxmd.com/read/28621548/an-investigation-into-the-mammographic-appearances-of-missed-breast-cancers-when-recall-rates-are-reduced
#13
Norhashimah Mohd Norsuddin, Claudia Mello-Thoms, Warren Reed, Mary Rickard, Sarah Lewis
OBJECTIVES: This study investigated whether certain mammographic appearances of breast cancer are missed when radiologists read at lower recall rates. METHODS: Five radiologists read one identical test set of 200 mammographic (180 normal cases and 20 abnormal cases) three times and were requested to adhere to three different recall rate conditions: free recall, 15% and 10%. The radiologists were asked to mark the locations of suspicious lesions and provide a confidence rating for each decision...
June 16, 2017: British Journal of Radiology
https://www.readbyqxmd.com/read/28621239/a-microrna-signature-associated-with-pathological-complete-response-to-novel-neoadjuvant-therapy-regimen-in-triple-negative-breast-cancer
#14
Raúl García-Vazquez, Erika Ruiz-García, Abelardo Meneses García, Horacio Astudillo-de la Vega, Fernando Lara-Medina, Alberto Alvarado-Miranda, Héctor Maldonado-Martínez, Juan A González-Barrios, Alma D Campos-Parra, Sergio Rodríguez Cuevas, Laurence A Marchat, César López-Camarillo
Neoadjuvant chemotherapy aims to improve the outcome of breast cancer patients, but only few would benefit from this treatment. Pathological complete response has been proposed as a surrogate marker for the prediction of long-term clinical benefits; however, 50%-85% patients have an unfavorable pathological complete response to chemotherapy. MicroRNAs are known biomarkers of breast cancer progression; nevertheless, their potential to identify patients with pathological complete response remains poorly understood...
June 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28618754/evaluation-and-comparison-of-radiologic-pathologic-findings-in-invasive-cribriform-carcinoma-of-the-breast
#15
Pınar Balci, Işıl Başara Akin, Nevin Köremezli, Merih Güray Durak, Canan Altay, Naciye Sinem Gezer, Ali İbrahim Sevinç
BACKGROUND/AIM: This study aimed to report invasive cribriform carcinoma (ICC) with radiological and histopathologic correlations. MATERIALS AND METHODS: Seventy patients with ICC were classified into two groups; pure ICC patients and patients with >50% cribriform carcinoma component were included in group 1, while patients with <50% cribriform carcinoma component were included in group 2. All patients were reviewed according to American College of Radiology (ACR) breast imaging reporting and data system (BI-RADS) lexicon of mammography (MG), ultrasonography (US), and magnetic resonance imaging (MRI)...
June 12, 2017: Turkish Journal of Medical Sciences
https://www.readbyqxmd.com/read/28618241/use-of-adjuvant-bisphosphonates-and-other-bone-modifying-agents-in-breast-cancer-a-cancer-care-ontario-and-american-society-of-clinical-oncology-clinical-practice-guideline
#16
Sukhbinder Dhesy-Thind, Glenn G Fletcher, Phillip S Blanchette, Mark J Clemons, Melissa S Dillmon, Elizabeth S Frank, Sonal Gandhi, Rasna Gupta, Mihaela Mates, Beverly Moy, Ted Vandenberg, Catherine H Van Poznak
Purpose To make recommendations regarding the use of bisphosphonates and other bone-modifying agents as adjuvant therapy for patients with breast cancer. Methods Cancer Care Ontario and ASCO convened a Working Group and Expert Panel to develop evidence-based recommendations informed by a systematic review of the literature. Results Adjuvant bisphosphonates were found to reduce bone recurrence and improve survival in postmenopausal patients with nonmetastatic breast cancer. In this guideline, postmenopausal includes patients with natural menopause or that induced by ovarian suppression or ablation...
June 20, 2017: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28616736/geographic-variations-in-female-breast-cancer-incidence-in-relation-to-ambient-air-emissions-of-polycyclic-aromatic-hydrocarbons
#17
Courtney Large, Yudan Wei
A significant geographic variation of breast cancer incidence exists, with incidence rates being much higher in industrialized regions. The objective of the current study was to assess the role of environmental factors such as exposure to ambient air pollution, specifically carcinogenic polycyclic aromatic hydrocarbons (PAHs) that may be playing in the geographic variations in breast cancer incidence. Female breast cancer incidence and ambient air emissions of PAHs were examined in the northeastern and southeastern regions of the USA by analyzing data from the Surveillance, Epidemiology, and End Results (SEER) Program and the State Cancer Profiles of the National Cancer Institute and from the Environmental Protection Agency...
June 14, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28613915/inter-country-analysis-of-breast-density-classification-using-visual-grading
#18
Christine N Damases, Peter Hogg, Mark F McEntee
OBJECTIVE: Disagreement in mammographic breast density (MBD) assessment can impact breast cancer risk stratification, choices of further breast cancer screening intervals and pathways. This study examines whether inter-country MBD expectations and assessment approaches are associated with differences in MBD assessment. METHODS: Twenty American Board of Radiology (ABR) examiners and 24 United Kingdom (UK) practitioners using the 4(th) edition BI-RADS(®) lexicon assessed 40 mammogram cases of 20 women...
June 14, 2017: British Journal of Radiology
https://www.readbyqxmd.com/read/28600210/accelerated-versus-standard-epirubicin-followed-by-cyclophosphamide-methotrexate-and-fluorouracil-or-capecitabine-as-adjuvant-therapy-for-breast-cancer-in-the-randomised-uk-tact2-trial-cruk-05-19-a-multicentre-phase-3-open-label-randomised-controlled-trial
#19
David Cameron, James P Morden, Peter Canney, Galina Velikova, Robert Coleman, John Bartlett, Rajiv Agrawal, Jane Banerji, Gianfilippo Bertelli, David Bloomfield, A Murray Brunt, Helena Earl, Paul Ellis, Claire Gaunt, Alexa Gillman, Nicholas Hearfield, Robert Laing, Nicholas Murray, Niki Couper, Robert C Stein, Mark Verrill, Andrew Wardley, Peter Barrett-Lee, Judith M Bliss
BACKGROUND: Adjuvant chemotherapy for early breast cancer has improved outcomes but causes toxicity. The UK TACT2 trial used a 2×2 factorial design to test two hypotheses: whether use of accelerated epirubicin would improve time to tumour recurrence (TTR); and whether use of oral capecitabine instead of cyclophosphamide would be non-inferior in terms of patients' outcomes and would improve toxicity, quality of life, or both. METHODS: In this multicentre, phase 3, randomised, controlled trial, we enrolled patients aged 18 years or older from 129 UK centres who had histologically confirmed node-positive or high-risk node-negative operable breast cancer, had undergone complete excision, and were due to receive adjuvant chemotherapy...
June 6, 2017: Lancet Oncology
https://www.readbyqxmd.com/read/28598999/lymphatic-endothelial-progenitors-originate-from-plastic-myeloid-cells-activated-by-toll-like-receptor-4
#20
Lisa D Volk-Draper, Kelly L Hall, Andrew C Wilber, Sophia Ran
BACKGROUND: Myeloid-derived lymphatic endothelial cells (M-LECP) are induced by inflammation and play an important role in adult lymphangiogenesis. However, the mechanisms driving M-LECP differentiation are currently unclear. We previously showed that activation of Toll-like receptor-4 (TLR4) induces myeloid-lymphatic transition (MLT) of immortalized mouse myeloid cells. Here the goals were to assess the potential of different TLR4 ligands to induce pro-lymphatic reprogramming in human and mouse primary myeloid cells and to identify transcriptional changes regulating this process...
2017: PloS One
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