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Breast Carcinoma

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https://www.readbyqxmd.com/read/28350648/differences-in-the-reporting-of-racial-and-socioeconomic-disparities-among-three-large-national-databases-for-breast-reconstruction
#1
Parisa Kamali, Sara L Zettervall, Winona Wu, Ahmed M S Ibrahim, Caroline Medin, Hinne A Rakhorst, Marc L Schermerhorn, Bernard T Lee, Samuel J Lin
BACKGROUND: Research derived from large-volume databases plays an increasing role in the development of clinical guidelines and health policy. In breast cancer research, the Surveillance, Epidemiology and End Results, National Surgical Quality Improvement Program, and Nationwide Inpatient Sample databases are widely used. This study aims to compare the trends in immediate breast reconstruction and identify the drawbacks and benefits of each database. METHODS: Patients with invasive breast cancer and ductal carcinoma in situ were identified from each database (2005-2012)...
April 2017: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28346808/patient-reported-outcomes-1-year-after-immediate-breast-reconstruction-results-of-the-mastectomy-reconstruction-outcomes-consortium-study
#2
Andrea L Pusic, Evan Matros, Neil Fine, Edward Buchel, Gayle M Gordillo, Jennifer B Hamill, Hyungjin M Kim, Ji Qi, Claudia Albornoz, Anne F Klassen, Edwin G Wilkins
Purpose The goals of immediate postmastectomy breast reconstruction are to minimize deformity and optimize quality of life as perceived by patients. We prospectively evaluated patient-reported outcomes (PROs) in women undergoing immediate implant-based or autologous reconstruction. Methods Women undergoing immediate postmastectomy reconstruction for invasive cancer and/or carcinoma in situ were enrolled at 11 sites. Women underwent implant-based or autologous tissue reconstruction. Patients completed the BREAST-Q, a condition-specific PRO measure for breast surgery patients, and Patient-Reported Outcomes Measurement Information System-29, a generic PRO measure, before and 1 year after surgery...
March 27, 2017: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28346651/breast-cancer-metastases-to-the-head-and-neck-case-series-and-literature-review
#3
Jeremiah C Tracy, Nicholas R Mildenhall, Richard O Wein, Miriam A O'Leary
Breast cancer is the most common cancer in women and is the second most common cause of cancer-related death. Despite the relatively high prevalence of this disease, breast cancer manifestations in the head and neck are relatively rare. Supraclavicular lymphadenopathy and bony metastases to the mandible and maxilla are the most common manifestation of breast cancer in the head and neck. Head and neck metastases are the first presentation of distant disease in approximately one-third of cases. The prognosis of breast cancer with distant metastases to the head and neck is generally poor, and the management of these lesions is controversial...
March 2017: Ear, Nose, & Throat Journal
https://www.readbyqxmd.com/read/28346474/the-microrna-205-5p-is-correlated-to-metastatic-potential-of-21t-series-a-breast-cancer-progression-model
#4
L Stankevicins, A Barat, P Dessen, Y Vassetzky, C V de Moura Gallo
MicroRNA is a class of noncoding RNAs able to base pair with complementary messenger RNA sequences, inhibiting their expression. These regulatory molecules play important roles in key cellular processes including cell proliferation, differentiation and response to DNA damage; changes in miRNA expression are a common feature of human cancers. To gain insights into the mechanisms involved in breast cancer progression we conducted a microRNA global expression analysis on a 21T series of cell lines obtained from the same patient during different stages of breast cancer progression...
2017: PloS One
https://www.readbyqxmd.com/read/28346258/management-of-metastatic-breast-carcinoma-of-iris-with-intraocular-bevacizumab-injections
#5
G Ece Akinci, Ahmet M Hondur, Tongalp H Tezel
PURPOSE: To describe intraocular use of bevacizumab for a metastatic breast carcinoma of the iris resistant to advanced systemic chemotherapy protocols, for which conventional treatment would be local radiotherapy or brachytherapy. METHODS: Case report. RESULTS: A 65-year-old woman, who was previously diagnosed with breast carcinoma and treated with radical mastectomy coupled with radiotherapy and chemotherapy, presented with an iris mass in her left eye...
March 24, 2017: Retinal Cases & Brief Reports
https://www.readbyqxmd.com/read/28345826/value-of-sentinel-lymph-node-sln-mapping-and-biopsy-using-combined-intracervical-radiotracers-and-blue-dye-injections-for-endometrial-cancer
#6
Farah Farzaneh, Atefeh Moridi, Zahra Azizmohammadi, Mojtaba Ansari J, Maryam Sadat Hosseini, Maliheh Arab, Tahereh Ashrafganjoei, Mina Mazaheri
Background: Lymphadenectomy, as part of the initial surgical staging of patients with endometrial carcinoma, remains a controversial topic in gynecologic oncology. Sentinel lymph node (SLN) mapping has become a well-accepted procedure for melanomas and breast cancer; a number of investigators have begun to explore the utility and accuracy of this technique with regard to endometrial cancer. Aim: This study was conducted to evaluate SLN mapping of early stage endometrial cancer with blue dye in conjunction with a radioactive tracer...
February 1, 2017: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/28345332/effects-of-cisplatin-loaded-niosomal-nanoparticleson-bt-20-human-breast-carcinoma-cells
#7
Leila Kanaani, Iraj Javadi, Meysam Ebrahimifar, Hasan Ebrahimi Shahmabadi, Azim Akbarzadeh Khiyav, Torkan Mehrdiba
Breast cancer is the fifth most common cause of death among women worldwide. Resistance to cisplatin is a main challenge in its treatment. Our present aim was to prepare nanoniosomated cisplatin and examine its efficacy in vitro using the BT-20 cell line. Niosome nanoparticles containing cisplatin were prepared by reverse-phase evaporation and characterized by dynamic light scattering (DLS), scanning electron microscopy (SEM), spectrophotometry and MTT assay. The size and zeta potential of the nanodrug were estimated as 489...
February 1, 2017: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/28344881/immunosurveillance-and-immunoediting-in-mmtv-pymt-induced-mammary-oncogenesis
#8
Emilie T E Gross, Semi Han, Prasantha Vemu, Carlos D Peinado, Martin Marsala, Lesley G Ellies, Jack D Bui
Evidence of cancer immunosurveillance and immunoediting processes has been primarily demonstrated in mouse models of chemically induced oncogenesis. Although these models are very tractable, they are characterized by high mutational loads that represent a minority of human cancers. In this study, we sought to determine whether cancer immunosurveillance and immunoediting could be demonstrated in a more clinically relevant oncogene-induced model of carcinogenesis, the MMTV-PyMT (PyMT) mammary carcinoma model...
2017: Oncoimmunology
https://www.readbyqxmd.com/read/28344876/2b4-sap-signaling-is-required-for-the-priming-of-naive-cd8-t-cells-by-antigen-expressing-b-cells-and-b-lymphoma-cells
#9
Yu-Hsuan Huang, Kevin Tsai, Sara Y Tan, Sohyeong Kang, Mandy L Ford, Kenneth W Harder, John J Priatel
Mutations in SH2D1A gene that encodes SAP (SLAM-associated protein) result in X-linked lymphoproliferative disease (XLP), a rare primary immunodeficiency disease defined by exquisite sensitivity to the B-lymphotropic Epstein-Barr virus (EBV) and B cell lymphomas. However, the precise mechanism of how the loss of SAP function contributes to extreme vulnerability to EBV and the development of B cell lymphomas remains unclear. Here, we investigate the hypothesis that SAP is critical for CD8(+) T cell immune surveillance of antigen (Ag)-expressing B cells or B lymphoma cells under conditions of defined T cell receptor (TCR) signaling...
2017: Oncoimmunology
https://www.readbyqxmd.com/read/28343309/breast-cancer-detection-and-tumor-characteristics-in-brca1-and-brca2-mutation-carriers
#10
Julia Krammer, Katja Pinker-Domenig, Mark E Robson, Mithat Gönen, Blanca Bernard-Davila, Elizabeth A Morris, Debra A Mangino, Maxine S Jochelson
PURPOSE: To describe imaging findings, detection rates, and tumor characteristics of breast cancers in a large series of patients with BRCA1 and BRCA2 mutations to potentially streamline screening strategies. METHODS: An IRB-approved, HIPAA-compliant retrospective analysis of 496 BRCA mutation carriers diagnosed with breast carcinoma from 1999 to 2013 was performed. Institutional database and electronic medical records were reviewed for mammography and MRI imaging...
March 25, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28342201/expression-of-oxysterol-pathway-genes-in-estrogen-positive-breast-carcinomas
#11
Alzbeta Kloudova, Veronika Brynychova, Radka Vaclavikova, David Vrana, Jiri Gatek, Marcela Mrhalova, Roman Kodet, Pavel Soucek
OBJECTIVE: The present study investigated whether gene expression levels of key modulators of the oxysterol signaling pathway modify the prognosis of patients with estrogen receptor positive (ER+) breast carcinomas via interaction with endocrine therapy. CONTEXT: The prognosis of ER+ breast carcinoma patients depends on several factors. Previous studies have suggested that some oxygenated forms of cholesterol (oxysterols) bind to estrogen receptor and antiestrogen binding site which may deregulate cholesterol homeostasis and influence effect of therapy...
March 25, 2017: Clinical Endocrinology
https://www.readbyqxmd.com/read/28341962/tumour-suppressor-ep300-a-modulator-of-paclitaxel-resistance-and-stemness-is-downregulated-in-metaplastic-breast-cancer
#12
Muhammad Asaduzzaman, Stephanie Constantinou, Haoxiang Min, John Gallon, Meng-Lay Lin, Poonam Singh, Selina Raguz, Simak Ali, Sami Shousha, R Charles Coombes, Eric W-F Lam, Yunhui Hu, Ernesto Yagüe
PURPOSE: We have previously described a novel pathway controlling drug resistance, epithelial-to-mesenchymal transition (EMT) and stemness in breast cancer cells. Upstream in the pathway, three miRs (miR-106b, miR-93 and miR-25) target EP300, a transcriptional activator of E-cadherin. Upregulation of these miRs leads to the downregulation of EP300 and E-cadherin with initiation of an EMT. However, miRs regulate the expression of many genes, and the contribution to EMT by miR targets other than EP300 cannot be ruled out...
March 24, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28340463/hypoxia-and-hydrogen-sulfide-differentially-affect-normal-and-tumor-derived-vascular-endothelium
#13
Serena Bianco, Daniele Mancardi, Annalisa Merlino, Benedetta Bussolati, Luca Munaron
BACKGROUND: endothelial cells play a key role in vessels formation both under physiological and pathological conditions. Their behavior is influenced by blood components including gasotransmitters (H2S, NO and CO). Tumor cells are subjected to a cyclic shift between pro-oxidative and hypoxic state and, in this scenario, H2S can be both cytoprotective and detrimental depending on its concentration. H2S effects on tumors onset and development is scarcely studied, particularly concerning tumor angiogenesis...
March 18, 2017: Redox Biology
https://www.readbyqxmd.com/read/28340220/her2-neu-status-determination-in-breast-cancer-a-single-institutional-experience-using-a-dual-testing-approach-with-immunohistochemistry-and-fluorescence-in-situ-hybridization
#14
James P Solomon, Marie Dell'Aquila, Oluwole Fadare, Farnaz Hasteh
Objectives: According to current guidelines, either immunohistochemistry (IHC) or in situ hybridization (ISH) can be used to determine human epidermal growth factor receptor 2 (Her2/neu) status in breast carcinoma. While the guidelines explicitly delineate result interpretation, there is no consensus on the most appropriate testing algorithm. Methods: The Her2/neu statuses of 369 consecutive cases of invasive breast cancer (from 351 patients) were assessed in a dual-testing algorithm that uses both IHC and fluorescence ISH (FISH)...
March 11, 2017: American Journal of Clinical Pathology
https://www.readbyqxmd.com/read/28339285/is-the-necrosis-wall-adc-ratio-useful-for-the-differentiation-of-benign-and-malignant-breast-lesions
#15
Irmak Durur-Subasi, Afak Durur-Karakaya, Adem Karaman, Mehmet Seker, Elif Demirci, Fatih Alper
OBJECTIVES: To determine whether the necrosis/wall apparent diffusion coefficient (ADC) ratio is useful for the malignant-benign differentiation of necrotic breast lesions. METHODS: Breast magnetic resonance imaging (MRI) was performed using a 3T system. In this retrospective study, calculation of the necrosis/wall ADC ratio was based on ADC values measured from the necrosis and from the wall of malignant and benign breast lesions by diffusion-weighted imaging (DWI)...
March 24, 2017: British Journal of Radiology
https://www.readbyqxmd.com/read/28339067/characterization-of-dapk1-as-a-novel-transcriptional-target-of-brms1
#16
Xiaojing Qiao, Xi Yang, Yiren Zhou, Xinyu Mei, Jianming Dou, Wenjuan Xie, Guoqing Li, Yekai Wang, Shouyi Qiao, Jianwei Hu, Yanhua Wu
Breast cancer metastasis suppressor 1 (BRMS1) can specifically regulate tumor metastasis in many cancers. Our previous studies have demonstrated that BRMS1 can promote cell apoptosis through regulating osteopontin (OPN) expression in hepatocellular carcinoma (HCC) cells. However, the transcriptional targets of BRMS1 have not been thoroughly studied. In this study, death-associated protein kinase 1 (DAPK1), a tumor suppressor gene with multiple roles in regulating cell death, was identified as a potential transcriptional target of BRMS1 in the whole genome expression microarray...
March 23, 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/28338932/ursolic-acid-derivative-fzu-03-010-inhibits-stat3-and-induces-cell-cycle-arrest-and-apoptosis-in-renal-and-breast-cancer-cells
#17
Wei Li, Hongxiu Zhang, Mingxiu Nie, Yanlei Tian, Xu Chen, Ceshi Chen, Haijun Chen, Rong Liu
Advanced renal cell carcinoma and triple negative breast cancer (TNBC) are malignancies without effective therapeutics currently. Ursolic acid (UA) has been previously reported to have anti-cancer effects in multiple solid tumors. In order to develop more potent anti-cancer reagents, FZU-03,010 based on the chemical structure of UA were synthesized. The results demonstrated that, compared with UA, FZU-03,010 could suppress renal cancer cell 786-0 and TNBC cell HCC1806 cell viability more potently.  Furthermore, FZU-03,010 could induce G1 cell cycle arrest and cell apoptosis more efficiently than UA...
March 2, 2017: Acta Biochimica et Biophysica Sinica
https://www.readbyqxmd.com/read/28338653/breast-ductal-carcinoma-in-situ-carry-mutational-driver-events-representative-of-invasive-breast-cancer
#18
Jia-Min B Pang, Peter Savas, Andrew P Fellowes, Gisela Mir Arnau, Tanjina Kader, Ravikiran Vedururu, Chelsee Hewitt, Elena A Takano, David J Byrne, David Yh Choong, Ewan Ka Millar, C Soon Lee, Sandra A O'Toole, Sunil R Lakhani, Margaret C Cummings, G Bruce Mann, Ian G Campbell, Alexander Dobrovic, Sherene Loi, Kylie L Gorringe, Stephen B Fox
The spectrum of genomic alterations in ductal carcinoma in situ (DCIS) is relatively unexplored, but is likely to provide useful insights into its biology, its progression to invasive carcinoma and the risk of recurrence. DCIS (n=20) with a range of phenotypes was assessed by massively parallel sequencing for mutations and copy number alterations and variants validated by Sanger sequencing. PIK3CA mutations were identified in 11/20 (55%), TP53 mutations in 6/20 (30%), and GATA3 mutations in 9/20 (45%). Screening an additional 91 cases for GATA3 mutations identified a final frequency of 27% (30/111), with a high proportion of missense variants (8/30)...
March 24, 2017: Modern Pathology: An Official Journal of the United States and Canadian Academy of Pathology, Inc
https://www.readbyqxmd.com/read/28338482/axillary-ultrasound-fine-needle-aspiration-biopsy-is-there-a-role-in-the-post-z-0011-era
#19
Sarah E Pesek, Heather M King, Susan Koelliker, Christina Raker, David Edmonson, Don S Dizon, Jennifer Gass
OBJECTIVES: Axillary ultrasound with fine needle aspiration (AXUSFNA) in early-stage breast cancer has required reappraisal. ACOSOG Z-0011 and after mapping of the axilla: radiotherapy or surgery have shown that women with limited nodal disease at sentinel lymph node biopsy got no survival advantage with completion axillary node dissection. We hypothesize that AXUSFNA may be sufficiently accurate for staging for some patients and sentinel lymph node biopsy need not be performed. We define the false negative rate (FNR) of AXUSFNA in different subsets of patients...
March 23, 2017: American Journal of Clinical Oncology
https://www.readbyqxmd.com/read/28338193/oncogenic-mir-155-down-regulated-upon-activation-of-antitumor-cytotoxic-t-lymphocytes-by-the-fusion-of-dendritic-cells-with-breast-carcinoma-cells
#20
J Zhang, Y Li
OBJECTIVE: MicroRNAs has been proved to play vital roles in many biological processes. In the present study, the expression profile of oncogenic miR-155 in the activated antitumor cytotoxic T lymphocytes generated by the fusion of dendritic cells with breast carcinoma cells has been demonstrated. MATERIALS AND METHODS: Expression profile of oncogenic miR-155 was noted in antitumor cytotoxic T lymphocytes, which was generated by the fusion of dendritic cells (DC) with breast carcinoma cells (MCF-7)...
March 2017: European Review for Medical and Pharmacological Sciences
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