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https://www.readbyqxmd.com/read/29475186/an-optofluidic-metasurface-for-lateral-flow-through-detection-of-breast-cancer-biomarker
#1
Yifei Wang, Md Azahar Ali, Edmond K C Chow, Liang Dong, Meng Lu
The rapid growth of point-of-care tests demands for biosensors with high sensitivity and small size. This paper demonstrates an optofluidic metasurface that combines silicon-on-insulator (SOI) nanophotonics and nanofluidics to realize a high-performance, lateral flow-through biosensor. The metasurface is made of a periodic array of silicon nanoposts on an SOI substrate, and functionalized with specific receptor molecules. Bonding of a polydimethylsiloxane slab directly onto the surface results in an ultracompact biosensor, where analyte solutions are restricted to flow only in the space between the nanoposts...
February 17, 2018: Biosensors & Bioelectronics
https://www.readbyqxmd.com/read/29473867/microwave-sensors-for-breast-cancer-detection
#2
REVIEW
Lulu Wang
Breast cancer is the leading cause of death among females, early diagnostic methods with suitable treatments improve the 5-year survival rates significantly. Microwave breast imaging has been reported as the most potential to become the alternative or additional tool to the current gold standard X-ray mammography for detecting breast cancer. The microwave breast image quality is affected by the microwave sensor, sensor array, the number of sensors in the array and the size of the sensor. In fact, microwave sensor array and sensor play an important role in the microwave breast imaging system...
February 23, 2018: Sensors
https://www.readbyqxmd.com/read/29473482/prospective-surveillance-and-targeted-physiotherapy-for-arm-morbidity-after-breast-cancer-surgery-a-pilot-randomized-controlled-trial
#3
Bolette S Rafn, Stanley Hung, Alison M Hoens, Margaret L McNeely, Chiara A Singh, Winkle Kwan, Carol Dingee, Elaine C McKevitt, Urve Kuusk, Jinsi Pao, Nancy Van Laeken, Charlie H Goldsmith, Kristin L Campbell
OBJECTIVE: To evaluate prospective surveillance and targeted physiotherapy (PSTP) compared to education (EDU) on the prevalence of arm morbidity and describe the associated program cost. DESIGN: Pilot randomized single-blinded controlled trial. SETTING: Urban with assessments and treatment delivered in hospitals. PARTICIPANTS: Women scheduled for breast cancer surgery. INTERVENTIONS: Participants were randomly assigned (1:1) to PSTP ( n = 21) or EDU ( n = 20) and assessed presurgery and 12 months postsurgery...
February 1, 2018: Clinical Rehabilitation
https://www.readbyqxmd.com/read/29473212/demographic-psychosocial-and-behavioral-associations-with-cancer-screening-among-a-homeless-population
#4
Lovoria B Williams, Amber McCall, Stephen W Looney, Thomas Joshua, Martha S Tingen
BACKGROUND: Although cancer incidence and mortality is declining, cancer remains among the leading causes of death in the United States. Research shows that cancer morbidity and mortality can be reduced by early detection. Yet, both cancer risks and screening behavior remain understudied in the homeless population. METHODS: Researchers conducted a cross-sectional survey of homeless individuals (n = 201). The analysis describes the demographic, psychosocial, and behavioral associations with cancer screenings and knowledge of the lung cancer screening recommendation...
February 23, 2018: Public Health Nursing
https://www.readbyqxmd.com/read/29473149/cyp2d6-and-endoxifen-in-tamoxifen-therapy-a-tribute-to-david-a-flockhart
#5
Todd C Skaar, Zeruesenay Desta
This issue of Clinical Pharmacology & Therapeutics (CPT) includes the Clinical Pharmacogenetics Implementation Consortium (CPIC) guideline for using CYP2D6 genotyping to guide tamoxifen therapy for breast cancer patients. CYP2D6 metabolizes tamoxifen to its more active metabolite, endoxifen, and patients with reduced CYP2D6 activity have reduced circulating endoxifen concentrations. In this associated commentary, we recognize and honor the late Dr. David Flockhart, who began the research and made early fundamental discoveries on tamoxifen that have now resulted in this guideline...
February 23, 2018: Clinical Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/29471575/-breast-cancer-diagnostics-and-therapy-the-most-important-facts-for-internists
#6
Ulrich Hamann, Christine Ankel
LEARNING OBJECTIVES:  After reviewing this article, the participant should be able to: 1. Understand the epidemiology of breast cancer, its incidence and impact. 2. Appreciate the importance of early diagnosis and treatment. 3. Understand the concept of comprehensive breast cancer management and its multidisciplinarity. 4. Be knowledgeable about the entire process required to manage breast cancer, since the early diagnosis until the management of non breast related conditions derived from the treatment...
February 2018: Deutsche Medizinische Wochenschrift
https://www.readbyqxmd.com/read/29470806/screening-of-over-1000-indian-patients-with-breast-and-or-ovarian-cancer-with-a-multi-gene-panel-prevalence-of-brca1-2-and-non-brca-mutations
#7
Jaya Singh, Nishita Thota, Suhasini Singh, Shila Padhi, Puja Mohan, Shivani Deshwal, Soumit Sur, Mithua Ghosh, Amit Agarwal, Ramesh Sarin, Rosina Ahmed, Sachin Almel, Basumita Chakraborti, Vinod Raina, Praveen K DadiReddy, B K Smruti, Senthil Rajappa, Chandragouda Dodagoudar, Shyam Aggarwal, Manish Singhal, Ashish Joshi, Rajeev Kumar, Ajai Kumar, Deepak K Mishra, Neeraj Arora, Aarati Karaba, Satish Sankaran, Shanmukh Katragadda, Arunabha Ghosh, Vamsi Veeramachaneni, Ramesh Hariharan, Ashraf U Mannan
PURPOSE: Breast and/or ovarian cancers are among the most common cancers in women across the world. In the Indian population, the healthcare burden of breast and/or ovarian cancers has been steadily rising, thus stressing the need for early detection, surveillance, and disease management measures. However, the burden attributable to inherited mutations is not well characterized. METHODS: We sequenced 1010 unrelated patients and families from across India with an indication of breast and/or ovarian cancers, using the TruSight Cancer panel which includes 14 genes, strongly associated with risk of hereditary breast and/or ovarian cancers...
February 22, 2018: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/29470805/adjuvant-versus-neoadjuvant-chemotherapy-in-triple-negative-breast-cancer-patients-with-brca-mutations
#8
Katherine Clifton, Angelica Gutierrez-Barrera, Junsheng Ma, Roland Bassett, Jennifer Litton, Henry Kuerer, Stacy Moulder, Constance Albarracin, Gabriel Hortobagyi, Banu Arun
PURPOSE: As triple-negative breast cancers are associated with earlier recurrences and poorer survival, optimal treatment of early-stage breast cancer is essential. Several retrospective studies in triple-negative breast cancer have reported conflicting results in overall survival in patients receiving neoadjuvant or adjuvant systemic therapy. This study aims to analyze outcomes of adjuvant versus neoadjuvant in patients with early-stage triple-negative breast cancer with and without BRCA germline mutations...
February 22, 2018: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/29470143/tumor-pik3ca-genotype-and-prognosis-in-early-stage-breast-cancer-a-pooled-analysis-of-individual-patient-data
#9
Dimitrios Zardavas, Luc Te Marvelde, Roger L Milne, Debora Fumagalli, George Fountzilas, Vassiliki Kotoula, Evangelia Razis, George Papaxoinis, Heikki Joensuu, Mary Ellen Moynahan, Bryan T Hennessy, Ivan Bieche, Lao H Saal, Olle Stal, Barry Iacopetta, Jeanette Dupont Jensen, Sandra O'Toole, Elena Lopez-Knowles, Mattia Barbaraeschi, Shinzaburo Noguchi, Hatem A Azim, Enrique Lerma, Thomas Bachelot, Qing Wang, Gizeh Perez-Tenorio, Cornelis J H Can de Velde, Daniel W Rea, Vicky Sabine, John M S Bartlett, Christos Sotiriou, Stefan Michiels, Sherene Loi
Purpose Phosphatidylinositol-4, 5-bisphosphate 3-kinase catalytic subunit alpha ( PIK3CA) mutations are frequently observed in primary breast cancer. We evaluated their prognostic relevance by performing a pooled analysis of individual patient data. Patients and Methods Associations between PIK3CA status and clinicopathologic characteristics were tested by applying Cox regression models adjusted for age, tumor size, nodes, grade, estrogen receptor (ER) status, human epidermal growth factor receptor 2 (HER2) status, treatment, and study...
February 22, 2018: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/29470136/-15-o-h-2-o-pet-ct-as-a-tool-for-the-quantitative-assessement-of-early-post-radiotherapy-changes-of-heart-perfusion-in-breast-carcinoma-patients
#10
Agnieszka Żyromska, Bogdan Małkowski, Tomasz Wiśniewski, Karolina Majewska, Joanna Reszke, Roman Makarewicz
OBJECTIVE: Studies examining radiation-induced heart toxicity in breast cancer patients are inconclusive. The aim of this study was to prospectively and quantitatively asses myocardial blood flow (MBF) with, for the first time, 15O-H2O PET/CT as a marker of heart damage in irradiated breast cancer patients. METHODS: Fifteen breast cancer patients receiving intact breast or chest wall irradiation were included in the analysis (six with right-sided and nine with left-sided breast cancer)...
February 22, 2018: British Journal of Radiology
https://www.readbyqxmd.com/read/29468855/major-clinical-research-advances-in-gynecologic-cancer-in-2017
#11
REVIEW
Dong Hoon Suh, Miseon Kim, Kyung Hun Lee, Keun Yong Eom, Maj Kamille Kjeldsen, Mansoor Raza Mirza, Jae Weon Kim
In 2017, 10 topics were selected as major clinical research advances in gynecologic oncology. For cervical cancer, efficacy and safety analysis results of a 9-valent human papillomavirus (HPV) vaccine and long-term impact of reduced dose of quadrivalent vaccine were updated. Brief introduction of KEYNOTE trials of pembrolizumab, a monoclonal antibody that blocks the interaction between programmed death (PD)-1 and its ligands, PD-L1 and PD-L2, followed. Tailored surveillance programs for gynecologic cancer related with Lynch syndrome and update on sentinel lymph node mapping were reviewed for uterine corpus cancer...
March 2018: Journal of Gynecologic Oncology
https://www.readbyqxmd.com/read/29468434/preservation-of-the-nipple-areola-complex-in-skin-sparing-mastectomy-for-early-breast-cancer
#12
Ryo Miyake, Satoki Kinoshita, Naoko Shimada, Ken Uchida, Hiroshi Takeyama, Toshiaki Morikawa
PURPOSE: Skin-sparing mastectomy (SSM) enables a radical cure of breast cancer while overcoming the cosmetic issues related to surgery. We review our experience of performing SSMs and assess whether preservation of the nipple-areola complex (NAC) could have been an option for some patients who underwent SSM. METHODS: The subjects of this retrospective study were women who underwent SSM that utilized four incision types; namely, the so-called tennis racket incision, a periareolar and midaxillary incision, an areola-sparing and midaxillary incision, and a small transverse elliptical incision...
February 21, 2018: Surgery Today
https://www.readbyqxmd.com/read/29466349/-it-s-like-we-don-t-exist-tailoring-education-for-young-women-undergoing-surgery-for-early-stage-breast-cancer
#13
Alejandra Recio-Saucedo, Anthony W Gilbert, Sue Gerty, Ramsey I Cutress, Diana Eccles, Claire Foster
PURPOSE: The implications of a diagnosis and consequent surgical treatment for breast cancer may be different for young women compared to older women. This study investigated the information requirements of young women to support their treatment decision making at diagnosis.
. PARTICIPANTS & SETTING: A purposeful sample of 20 women diagnosed with breast cancer aged 40 years or younger who had undergone surgery and had participated in a large cohort study in the United Kingdom...
March 1, 2018: Oncology Nursing Forum
https://www.readbyqxmd.com/read/29465782/dielectric-properties-for-non-invasive-detection-of-normal-benign-and-malignant-breast-tissues-using-microwave-theories
#14
Yiou Cheng, Minghuan Fu
BACKGROUND: Despite the high incidence of breast cancer worldwide, methods for early non-invasive diagnosis and sensitive and specific prognostic evaluation remain difficult. In this study, we investigated microwave parameters as a potential non-invasive approach to detect breast cancer. METHODS: Samples of freshly excised breast tissues (n = 509) from 98 patients were identified as normal, benign tumor, or malignant cancer via histology. Further samples were prepared and the microwave effective dielectric permittivity and effective conductivity were measured every 0...
February 21, 2018: Thoracic Cancer
https://www.readbyqxmd.com/read/29464085/intravesicular-epidermal-growth-factor-receptor-subject-to-retrograde-trafficking-drives-epidermal-growth-factor-dependent-migration
#15
Sabrina Maisel, Derrick Broka, Joyce Schroeder
The Epidermal Growth Factor Receptor (EGFR) is frequently mutated and overexpressed in metastatic cancer. Although EGFR is a transmembrane tyrosine kinase localized to the basolateral membrane in normal epithelium, it is frequently found intracellularly localized in transformed cells. We have previously demonstrated the epithelial adaptor protein mucin 1 (MUC1) alters trafficking of EGFR, inhibiting its degradation and promoting its translocation to the nucleus, where it can directly modulate gene transcription...
January 19, 2018: Oncotarget
https://www.readbyqxmd.com/read/29464068/prognostic-significance-of-heparanase-expression-in-primary-and-metastatic-breast-carcinoma
#16
Olga Vornicova, Inna Naroditsky, Ilanit Boyango, Shlomit S Shachar, Tanya Mashiach, Neta Ilan, Israel Vlodavsky, Gil Bar-Sela
High levels of heparanase are detected in many types of tumors, associated with bad prognosis. Typically, heparanase levels are evaluated in a biopsy taken from the primary lesion, whereas its expression by the resulting metastases is most often unresolved. This becomes critically important as anti-heparanase compounds enter advanced clinical trials. Here, we examined the expression of heparanase in pairs of primary and the resulting distant metastases of breast carcinoma. Interestingly, we found that heparanase expression in the metastatic lesion does not always reflect its expression in the primary tumor...
January 19, 2018: Oncotarget
https://www.readbyqxmd.com/read/29463884/tumor-infiltrating-lymphocytes-and-ductal-carcinoma-in-situ-of-the-breast-friends-or-foes
#17
REVIEW
Marie Colombe Agahozo, Dora Hammerl, Reno Debets, Marleen Kok, Carolien H M van Deurzen
In the past three decades, the detection rate of ductal carcinoma in situ of the breast has dramatically increased due to breast screening programs. As a consequence, about 20% of all breast cancer cases are detected in this early in situ stage. Some ductal carcinoma in situ cases will progress to invasive breast cancer, while other cases are likely to have an indolent biological behavior. The presence of tumor-infiltrating lymphocytes is seen as a promising prognostic and predictive marker in invasive breast cancer, mainly in HER2-positive and triple-negative subtypes...
February 20, 2018: Modern Pathology: An Official Journal of the United States and Canadian Academy of Pathology, Inc
https://www.readbyqxmd.com/read/29463589/factors-associated-with-insufficient-awareness-of-breast-cancer-among-women-in-northern-and-eastern-china-a-case-control-study
#18
Li-Yuan Liu, Yong-Jiu Wang, Fei Wang, Li-Xiang Yu, Yu-Juan Xiang, Fei Zhou, Liang Li, Qiang Zhang, Qin-Ye Fu, Zhong-Bing Ma, De-Zong Gao, Yu-Yang Li, Zhi-Gang Yu
OBJECTIVES: To investigate the awareness and knowledge level of breast cancer among Chinese participants. DESIGN: Case-control study. SETTINGS: This study was based on the database of the minister-affiliated hospital key project of the Ministry of Health of the People's Republic of China that included 21 Chinese hospitals between April 2012 and April 2013. PARTICIPANTS: Matched study was designed among 2978 participants with Han ethnicity aged between 25 and 70...
February 20, 2018: BMJ Open
https://www.readbyqxmd.com/read/29463227/evaluating-different-breast-tumor-progression-models-using-screening-data
#19
Åsbjørn Schumacher Westvik, Harald Weedon-Fekjær, Jan Mæhlen, Knut Liestøl
BACKGROUND: Mammography screening is used to detect breast cancer at an early treatable stage, reducing breast cancer mortality. Traditionally, breast cancer has been seen as a disease with only progressive lesions, and here we examine the validity of this assumption by testing if incidence levels after introducing mammography screening can be reproduced assuming only progressive tumors. METHODS: Breast cancer incidence data 1990-2009 obtained from the initially screened Norwegian counties (Akershus, Oslo, Rogaland and Hordaland) was included, covering the time-period before, during and after the introduction of mammography screening...
February 20, 2018: BMC Cancer
https://www.readbyqxmd.com/read/29463222/filtration-based-assessment-of-ctcs-and-cellsearch%C3%A2-based-assessment-are-both-powerful-predictors-of-prognosis-for-metastatic-breast-cancer-patients
#20
Hanna Huebner, Peter A Fasching, Walter Gumbrecht, Sebastian Jud, Claudia Rauh, Mark Matzas, Peter Paulicka, Katja Friedrich, Michael P Lux, Bernhard Volz, Paul Gass, Lothar Häberle, Franziska Meier-Stiegen, Andreas Hartkopf, Hans Neubauer, Katrin Almstedt, Matthias W Beckmann, Tanja N Fehm, Matthias Ruebner
BACKGROUND: The assessment of circulating tumor cells (CTCs) has been shown to enable monitoring of treatment response and early detection of metastatic breast cancer (MBC) recurrence. The aim of this study was to compare a well-established CTC detection method based on immunomagnetic isolation with a new, filtration-based platform. METHODS: In this prospective study, two 7.5 ml blood draws were obtained from 60 MBC patients and CTC enumeration was assessed using both the CellSearch® and the newly developed filtration-based platform...
February 20, 2018: BMC Cancer
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