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https://www.readbyqxmd.com/read/28346916/pd-1-pd-l1-pathway-in-breast-cancer
#1
Florian Schütz, Stefan Stefanovic, Luisa Mayer, Alexandra von Au, Christoph Domschke, Christof Sohn
No abstract text is available yet for this article.
March 27, 2017: Oncology Research and Treatment
https://www.readbyqxmd.com/read/28346854/breast-cancer-related-lymphedema-differentiating-fat-from-fluid-using-magnetic-resonance-imaging-segmentation
#2
Yuka Sen, Yi Qian, Louise Koelmeyer, Robert Borotkanics, Robyn Ricketts, Helen Mackie, Thomas C Lam, Kevin Ho Shon, Hiroo Suami, John Boyages
BACKGROUND: Lymphedema is an iatrogenic complication after breast cancer treatment in which lymph fluid in the affected limb progresses to fat deposition and fibrosis that are amenable to liposuction treatment. Magnetic resonance imaging (MRI) for lymphedema can differentiate fat tissue from fluid, but estimating relative volumes remains problematic. METHODS AND RESULTS: Patients underwent routine bilateral arm MRI both before and after liposuction for advanced lymphedema...
March 27, 2017: Lymphatic Research and Biology
https://www.readbyqxmd.com/read/28346852/preoperative-lymphedema-related-risk-factors-in-early-stage-breast-cancer
#3
Zeynep Erdogan Iyigun, Tomris Duymaz, Ahmet Serkan Ilgun, Gul Alco, Cetin Ordu, Dauren Sarsenov, Ayse Esra Aydin, Filiz Elbuken Celebi, Filiz Izci, Yeşim Eralp, Vahit Ozmen
BACKGROUND: Prolongation of survival in patients with breast cancer due to early diagnosis and modern methods of treatment has turned the attention on lymphedema, which is the most important morbidity secondary to the treatment of the disease. Determination of lymphedema and related risk factors in patients before a surgical intervention may provide protection for patients and early treatment. The aim of this study was to determine the presence of lymphedema before surgery by bioimpedance analysis in patients with breast cancer and to establish risk factors associated with lymphedema...
March 27, 2017: Lymphatic Research and Biology
https://www.readbyqxmd.com/read/28346808/patient-reported-outcomes-1-year-after-immediate-breast-reconstruction-results-of-the-mastectomy-reconstruction-outcomes-consortium-study
#4
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/28346751/d-fructose-modification-enhanced-internalization-of-mixed-micelles-in-breast-cancer-cells-via-glut5-transporters
#5
Xu Zhou, Xianyan Qin, Tao Gong, Zhi-Rong Zhang, Yao Fu
d-Fructose modified poly(ε-caprolactone)-polyethylene glycol (PCL-PEG-Fru) diblock amphiphile is synthesized via Cu(I)-catalyzed click chemistry, which self-assembles with D-α-tocopheryl polyethylene glycol 1000 succinate (TPGS) into PCL-PEG-Fru/TPGS mixed micelles (PPF MM). It has been proven that glucose transporter (GLUT)5 is overexpressed in MCF-7 cells other than L929 cells. In this study, PPF MM exhibit a significantly higher uptake efficiency than fructose-free PCL-PEG-N3 /TPGS mixed micelles in both 2D MCF-7 cells and 3D tumor spheroids...
March 27, 2017: Macromolecular Bioscience
https://www.readbyqxmd.com/read/28346746/simultaneous-determination-of-4-hydroxyphenyl-lactic-acid-4-hydroxyphenyl-acetic-acid-and-3-4-hydroxyphenyl-propionic-acid-in-human-urine-by-ultra-high-performance-liquid-chromatography-with-fluorescence-detection
#6
Yongli Yang, Fan Liu, Yiqun Wan
A simple and reliable method was established for simultaneous determination of 4-hydroxyphenyl acetic acid, 4-hydroxyphenyl lactic acid, and 3-4-hydroxyphenyl propionic acid in human urine by high-performance liquid chromatography with fluorescence detection. Solid-phase extraction was used to eliminate the interferences in urine. The separation of three analytes was achieved using a C18 column and a mobile phase formed by a 95:5 v/v mixture of 50 mmol/L ammonium acetate buffer at pH 6.8 that contained 5 mmol/L tetrabutyl ammonium bromide and acetonitrile...
March 27, 2017: Journal of Separation Science
https://www.readbyqxmd.com/read/28346687/itade-flap-after-mastectomy-for-locally-advanced-breast-cancer-a-good-choice-for-mid-sized-defects-of-the-chest-wall-based-on-a-systematic-review-of-thoracoabdominal-flaps
#7
René Aloisio da Costa Vieira, Katia Mathias Teixeira da Silva, Idam de Oliveira-Junior, Marcos Alves de Lima
BACKGROUND: Locally advanced breast cancer (LABC) is still a common problem in developing countries. Extensive resections are aimed at local control and improving quality of life. Dermofat flaps are an option for medium-sized defects. OBJECTIVES: Evaluate the results of a new thoracoabdominal flap (TAF). METHODS: We describe and evaluate an ipsilateral, thoracoabdominal horizontal, dermofat (ITADE) flap performed in patients submitted to mastectomy and immediate reconstruction...
March 27, 2017: Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28346686/effects-of-catechins-and-their-related-compounds-on-cellular-accumulation-and-efflux-transport-of-mitoxantrone-in-caco-2-cell-monolayers
#8
Narumi Sugihara, Norihiko Kuroda, Fumiya Watanabe, Tominari Choshi, Jun Kamishikiryo, Makoto Seo
The ability of catechins and their related compounds to inhibit breast cancer resistance protein (BCRP) function in Caco-2 cell monolayers was investigated with mitoxantrone as a BCRP substrate. The gallate or pyrogallol moiety on the catechin structure seemed to promote increased cellular accumulation and inhibit efflux transport of mitoxantrone. The ability of gallate catechins such as (-)-epigallocatechin gallate (EGCG) and (-)-epicatechin gallate (ECG) to increase cellular accumulation and inhibit efflux transport of mitoxantrone was greater than that of nongallate catechins...
March 27, 2017: Journal of Food Science
https://www.readbyqxmd.com/read/28346651/breast-cancer-metastases-to-the-head-and-neck-case-series-and-literature-review
#9
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/28346508/most-women-recover-from-psychological-distress-after-postoperative-complications-following-implant-or-diep-flap-breast-reconstruction-a-prospective-long-term-follow-up-study
#10
Reinier Timman, Jessica P Gopie, J Nick Brinkman, Annelies Kleijne, Caroline Seynaeve, Marian B E Menke-Pluymers, Moniek M Ter Kuile, Aad Tibben, Marc A M Mureau
BACKGROUND: Substantial complication rates after postmastectomy breast reconstruction (BR) in breast cancer patients have been reported. Few studies have reported on the resulting psychological distress (PD) and satisfaction with the aesthetic result in relation to postoperative complications after completion of implant or DIEP flap BR. The present study investigated whether women were able to recover from complication related distress in the long term. METHODS: PD was prospectively measured using questionnaires regarding anxiety, depression and cancer distress...
2017: PloS One
https://www.readbyqxmd.com/read/28346474/the-microrna-205-5p-is-correlated-to-metastatic-potential-of-21t-series-a-breast-cancer-progression-model
#11
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/28346311/latissimus-dorsi-flap-breast-reconstruction-a-nationwide-inpatient-sample-review
#12
Michael R DeLong, Vickram J Tandon, George H Rudkin, Andrew L Da Lio
INTRODUCTION: The latissimus dorsi (LD) myocutaneous flap has been a long term standard for breast reconstruction. The variable indications for the LD flap have not been statistically examined because of the relative infrequency of its use by any single surgeon or institution. METHODS: The Nationwide Inpatient Sample data set was queried for all patient encounters involving a LD myocutaneous flap procedure. The study population was further restricted to female patients with a history of breast cancer or previous mastectomy...
March 24, 2017: Annals of Plastic Surgery
https://www.readbyqxmd.com/read/28346247/lymphatic-drainages-to-the-paravertebral-and-pararenal-lymph-nodes-in-breast-cancer-patients
#13
Mirela Roman, Romain Barbieux, Olivier Leduc, Pierre Bourgeois
An efficient evaluation of the lymphatic drainage from the breasts (thoracic wall) and/or the upper limbs is essential in the management of patients with breast cancer (BC) and/or BC-related lymphedema. Lymphoscintigraphy was performed in 2 patients with lymphedema. Lymphatic drainage was observed from the upper limb or breast to the posterior paravertebral and/or pararenal lymph nodes. The cases demonstrate lymphatic drainage pathways toward unusual and mostly unrecognized lymph nodes, which may be at risk for further evolution of BC and may be important for the physical treatment of BC-related lymphedema...
March 24, 2017: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/28346100/robotic-mammosphere-assay-for-high-throughput-screening-in-triple-negative-breast-cancer
#14
P A Fitzpatrick, N Akrap, E M V Söderberg, H Harrison, G J Thomson, G Landberg
In order to identify novel treatment principles specifically affecting cancer stem cells in triple-negative breast cancer, we have developed a high-throughput screening method based on the mammosphere and anoikis resistance assays allowing us to screen compounds using a functional readout. The assay was validated against manual protocols and through the use of positive controls, such as the response to hypoxia and treatment with the known cancer stem cell-targeting compound salinomycin. Manual and robotic procedures were compared and produced similar results in cell handling, cell cultures, and counting techniques, with no statistically significant difference produced from either method...
February 1, 2017: SLAS Discov
https://www.readbyqxmd.com/read/28346099/development-of-novel-cell-lines-for-high-throughput-screening-to-detect-estrogen-related-receptor-alpha-modulators
#15
Christina T Teng, Jui-Hua Hsieh, Jinghua Zhao, Ruili Huang, Menghang Xia, Negin Martin, Xiaohua Gao, Darlene Dixon, Scott S Auerbach, Kristine L Witt, B Alex Merrick
Estrogen-related receptor alpha (ERRα), the first orphan nuclear receptor discovered, is crucial for the control of cellular energy metabolism. ERRα and its coactivator, peroxisome proliferator-activated receptor gamma coactivator 1-alpha (PGC-1α), are required for rapid energy production in response to environmental challenges. They have been implicated in the etiology of metabolic disorders such as type 2 diabetes and metabolic syndrome. ERRα also plays a role in the pathogenesis of breast cancer. Identification of compounds that modulate ERRα signaling may elucidate environmental factors associated with these diseases...
January 1, 2017: SLAS Discov
https://www.readbyqxmd.com/read/28346074/germline-genetic-predictors-of-aromatase-inhibitor-concentrations-estrogen-suppression-and-drug-efficacy-and-toxicity-in-breast-cancer-patients
#16
Daniel L Hertz, N Lynn Henry, James M Rae
The third-generation aromatase inhibitors (AIs), anastrozole, letrozole and exemestane, are highly effective for the treatment of estrogen receptor-positive breast cancer in postmenopausal women. AIs inhibit the aromatase (CYP19A1)-mediated production of estrogens. Most patients taking AIs achieve undetectable blood estrogen concentrations resulting in drug efficacy with tolerable side effects. However, some patients have suboptimal outcomes, which may be due, in part, to inherited germline genetic variants...
March 27, 2017: Pharmacogenomics
https://www.readbyqxmd.com/read/28346017/strong-in-the-face-of-adversity
#17
Simoni Binoy
Palliative care provides holistic care to individuals in life-threatening or life-limiting conditions. This narrative describes the journey of Kanchan. A strong lady and a doting mother, she came to the hospital by choice, in immense pain and with swelling. Her narrative illustrates how the palliative approach draws out the inner strengths of individuals by focusing on their issues and needs. Kanchan was able to benefit from physiotherapy to reduce the risk of lymphoedema after surgery for breast cancer. Her narrative illustrates how she found comfort and relief, ably supported by the dedicated hospital team...
March 27, 2017: Journal of Pain & Palliative Care Pharmacotherapy
https://www.readbyqxmd.com/read/28345941/the-roles-of-negative-affect-and-goal-adjustment-capacities-in-breast-cancer-survivors-associations-with-physical-activity-and-diurnal-cortisol-secretion
#18
Andree L Castonguay, Carsten Wrosch, Catherine M Sabiston
OBJECTIVE: This study examined whether within-person changes of breast cancer survivors' high-arousal negative affect (e.g., feeling scared, upset, anxious, or guilty) could predict high levels of diurnal cortisol secretion and moderate-to-vigorous physical activity (MVPA). In addition, goal adjustment capacities (goal disengagement and goal reengagement) were expected to buffer the effect of negative affect on cortisol and to increase its effect on MVPA. METHOD: High-arousal negative affect, self-reported MVPA, area-under-the-curve of diurnal cortisol secretion, and goal adjustment capacities were assessed in a longitudinal sample of 145 female breast cancer survivors...
April 2017: Health Psychology: Official Journal of the Division of Health Psychology, American Psychological Association
https://www.readbyqxmd.com/read/28345876/engineering-cellular-microenvironments-with-photo-and-enzymatically-responsive-hydrogels-toward-biomimetic-3d-cell-culture-models
#19
Roger Y Tam, Laura J Smith, Molly S Shoichet
Conventional cell culture techniques using 2D polystyrene or glass have provided great insight into key biochemical mechanisms responsible for cellular events such as cell proliferation, differentiation, and cell-cell interactions. However, the physical and chemical properties of 2D culture in vitro are dramatically different than those found in the native cellular microenvironment in vivo. Cells grown on 2D substrates differ significantly from those grown in vivo, and this explains, in part, why many promising drug candidates discovered through in vitro drug screening assays fail when they are translated to in vivo animal or human models...
March 27, 2017: Accounts of Chemical Research
https://www.readbyqxmd.com/read/28345871/in-vivo-targeting-and-positron-emission-tomography-imaging-of-tumor-with-intrinsically-radioactive-metal-organic-frameworks-nanomaterials
#20
Daiqin Chen, Dongzhi Yang, Casey Dougherty, Weifei Lu, Hongwei Wu, Xianran He, Ting Cai, Marcian E Van Dort, Brian D Ross, Hao Hong
Nanoscale metal-organic frameworks (nMOF) materials represent an attractive tool for various biomedical applications. Due to the chemical versatility, enormous porosity, and tunable degradability of nMOFs, they have been adopted as carriers for delivery of imaging and/or therapeutic cargos. However, the relatively low stability of most nMOFs has limited practical in vivo applications. Here we report the production and characterization of an intrinsically radioactive UiO-66 nMOF (89Zr-UiO-66) with incorporation of positron-emitting isotope zirconium-89 (89Zr)...
March 27, 2017: ACS Nano
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