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https://www.readbyqxmd.com/read/29656565/rural-urban-differences-in-costs-of-end-of-life-care-for-the-last-6-months-of-life-among-patients-with-breast-lung-or-colorectal-cancer
#1
Elizabeth Crouch, Jan M Eberth, Janice C Probst, Kevin Bennett, Swann A Adams
PURPOSE: The purpose of this study was to examine rural-urban differences in utilization and expenditures in the last 6 months of life for patients with breast, lung, or colorectal cancer. METHODS: The study used a 5% sample of the 2013 Medicare Research Identifiable Files to study utilization and expenditures for beneficiaries with breast, lung, or colorectal cancer during the last 6 months before death (n = 6,214). End of life expenditures were calculated as the sum of total Medicare expenditures for inpatient, outpatient, physician, home health, hospice, and skilled nursing facility costs during the last 6 months of life...
April 15, 2018: Journal of Rural Health
https://www.readbyqxmd.com/read/29656463/rural-health-networks-how-network-analysis-can-inform-patient-care-and-organizational-collaboration-in-a-rural-breast-cancer-screening-network
#2
Beth Prusaczyk, Julia Maki, Douglas A Luke, Rebecca Lobb
PURPOSE: Rural health networks have the potential to improve health care quality and access. Despite this, the use of network analysis to study rural health networks is limited. The purpose of this study was to use network analysis to understand how a network of rural breast cancer care providers deliver services and to demonstrate the value of this methodology in this research area. METHODS: Leaders at 47 Federally Qualified Health Centers and Rural Health Clinics across 10 adjacent rural counties were asked where they refer patients for mammograms or breast biopsies...
April 15, 2018: Journal of Rural Health
https://www.readbyqxmd.com/read/29656432/calcium-channel-blockers-and-the-incidence-of-breast-and-prostate-cancer-a-meta-analysis
#3
A A Thakur, X Wang, M M Garcia-Betancourt, R A Forse
WHAT IS KNOWN AND OBJECTIVE: Breast cancer (BCa) and prostate cancer (PCa), both hormone-dependent cancers, are the second leading cause of death in both women and men, respectively. Calcium channel blockers (CCBs) have been thought to increase the risk of cancer by inhibiting calcium signal-mediated apoptosis, but the evidence for this association remains inconclusive. We have reviewed pertinent literature and pooled data to establish a consensus on the relationship of CCB use and the incidence of these two cancers...
April 15, 2018: Journal of Clinical Pharmacy and Therapeutics
https://www.readbyqxmd.com/read/29656345/update-on-the-treatment-of-early-stage-triple-negative-breast-cancer
#4
REVIEW
Priyanka Sharma
Triple-negative breast cancer (TNBC) accounts for 15% of all breast cancers and is associated with poor long-term outcomes compared to other breast cancer subtypes. Currently, chemotherapy remains the main modality of treatment for early-stage TNBC, as there is no approved targeted therapy for this subtype. The biologic heterogeneity of TNBC has hindered the development and evaluation of novel agents, but recent advancements in subclassifying TNBC have paved the way for further investigation of more effective systemic therapies, including cytotoxic and targeted agents...
April 14, 2018: Current Treatment Options in Oncology
https://www.readbyqxmd.com/read/29656290/psychosocial-cognitive-and-physical-impact-of-elaborate-consultations-and-life-review-in-female-patients-with-non-metastasized-breast-cancer
#5
Anja Thronicke, Matthias Kröz, Antje Merkle, Harald Matthes, Cornelia Herbstreit, Friedemann Schad
No abstract text is available yet for this article.
April 18, 2018: Complementary Medicine Research
https://www.readbyqxmd.com/read/29656223/delay-of-adjuvant-radiotherapy-due-to-postoperative-complications-after-oncoplastic-breast-conserving-surgery
#6
Nadine S Hillberg, Marleen A J Meesters-Caberg, Jop Beugels, Bjorn Winkens, Yvonne L J Vissers, Tom J M van Mulken
BACKGROUND: In the past a mastectomy was the first approach of treating breast cancer. Oncoplastic techniques combined with breast conserving surgery (BCS) and radiotherapy has become an alternative to mastectomy in patients with non-metastasized breast cancer. The aim of this study was to analyse the amount and types of complications occurring after oncoplastic BCS before and after adjuvant radiotherapy and the delay of adjuvant therapy due to the complications. METHOD: A retrospective study based on all patients who received immediate oncoplastic BCS by a plastic surgeon at two medical hospitals in The Netherlands between 2013 and 2015...
April 12, 2018: Breast: Official Journal of the European Society of Mastology
https://www.readbyqxmd.com/read/29656222/prolactin-induced-protein-pip-is-a-potential-biomarker-for-early-stage-and-malignant-breast-cancer
#7
Anju Gangadharan, Themba Nyirenda, Kishan Patel, Nydia Jaimes-Delgadillo, Dominique Coletta, Takemi Tanaka, Ayal C Walland, Zena Jameel, Srinivasa Vedantam, Sittinon Tang, Ciaran Mannion, Grace Y Lee, Andre Goy, Andrew Pecora, K Stephen Suh
OBJECTIVES: Breast cancer (BC) is the second leading cause of cancer-related mortality in women. Bioinformatic analysis and expression screening showed that Prolactin Induced Protein (PIP) was differentially expressed in BC. The objective of this investigation was to characterize the expression pattern of PIP, an aspartyl proteinase, in malignant and non-malignant breast tissues. MATERIALS AND METHODS: Real time quantitative PCR was employed to analyze PIP and androgen receptor (AR) mRNA levels in BC cell lines and 190 normal tissues and tumor samples...
April 12, 2018: Breast: Official Journal of the European Society of Mastology
https://www.readbyqxmd.com/read/29655990/inorganic-kernel-supported-asymmetric-hybrid-vesicles-for-targeting-delivery-of-stat3-decoy-oligonucleotides-to-overcome-anti-her2-therapeutic-resistance-of-bt474r
#8
Kai Shi, Yan Fang, Shan Gao, Dongjuan Yang, Hongshu Bi, Jianxiu Xue, Anqi Lu, Yuai Li, Liyuan Ke, Xiaojie Lin, Xuechao Jin, Min Li
As a recombinant humanized monoclonal antibody that targets the extracellular region of HER2 tyrosine kinase receptor, trastuzumab (TRAZ) has demonstrated comparable clinical efficacy and improved survival in patients with HER2-positive breast cancer. Nevertheless, the therapeutic potential of TRAZ is often limited due to its frequent resistance to anti-HER2 therapy. Therefore, we investigate the reversal effect of STAT3-specific decoy oligonucleotides (STAT3-decoy ODNs) on TRAZ resistance, which contain the consensus sequence within the targeted gene promoter of STAT3...
April 12, 2018: Journal of Controlled Release: Official Journal of the Controlled Release Society
https://www.readbyqxmd.com/read/29655913/germacrone-reverses-adriamycin-resistance-in-human-chronic-myelogenous-leukemia-k562-adm-cells-by-suppressing-mdr1-gene-p-glycoprotein-expression
#9
Jia Pan, Dong Miao, Li Chen
Multidrug resistance (MDR) usually causes chemotherapy failure of chronic myelogenous leukemia (CML). Germacrone is a terpenoid compound and has been reported to reverse MDR in breast cancer cells. However, the effect of germacrone on MDR in CML cells was unknown. The aim of the present study was to evaluate the effect of germacrone on MDR in adriamycin resistance of CML cells. Treatment with a combination of germacrone and adriamycin synergistically inhibited the viability and increased LDH release in K562/ADM cells...
April 12, 2018: Chemico-biological Interactions
https://www.readbyqxmd.com/read/29655782/lithocholic-acid-a-bacterial-metabolite-reduces-breast-cancer-cell-proliferation-and-aggressiveness
#10
Edit Mikó, András Vida, Tünde Kovács, Gyula Ujlaki, György Trencsényi, Judit Márton, Zsanett Sári, Patrik Kovács, Anita Boratkó, Zoltán Hujber, Tamás Csonka, Péter Antal-Szalmás, Mitsuhiro Watanabe, Imre Gombos, Balazs Csoka, Borbála Kiss, László Vígh, Judit Szabó, Gábor Méhes, Anna Sebestyén, James J Goedert, Péter Bai
Our study aimed at finding a mechanistic relationship between the gut microbiome and breast cancer. Breast cancer cells are not in direct contact with these microbes, but disease could be influenced by bacterial metabolites including secondary bile acids that are exclusively synthesized by the microbiome and known to enter the human circulation. In murine and bench experiments, a secondary bile acid, lithocholic acid (LCA), reduced cancer cell proliferation (by 10-20%) and VEGF production (by 37%), aggressiveness and metastatic potential of primary tumors through inducing mesenchymal-to-epithelial transition, increased antitumor immune response, OXPHOS and the TCA cycle...
April 12, 2018: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/29655698/down-regulation-of-lncrna-gas5-decreases-chemotherapeutic-effect-of-dendrosomal-curcumin-dnc-in-breast-cancer-cells
#11
Mohammad Javad Dehghan Esmatabadi, Maryam Motamedrad, Majid Sadeghizadeh
BACKGROUND: Despite positive results obtained from anticancer activities of curcumin, there are some obstacles that limit its use as an anticancer agent. HYPOTHESIS/PURPOSE: Different methods such as employing the dendrosomal curcumin (DNC) were examined to overcome such problems. There is increasing evidence representing long non-coding RNAs play important roles in biological processes. In this study, we focused on the roles of GAS5 in the anti-cancer effects of DNC on breast cancer...
March 15, 2018: Phytomedicine: International Journal of Phytotherapy and Phytopharmacology
https://www.readbyqxmd.com/read/29653351/early-non-invasive-detection-of-breast-cancer-using-exhaled-breath-and-urine-analysis
#12
Or Herman-Saffar, Zvi Boger, Shai Libson, David Lieberman, Raphael Gonen, Yehuda Zeiri
The main focus of this pilot study is to develop a statistical approach that is suitable to model data obtained by different detection methods. The methods used in this study examine the possibility to detect early breast cancer (BC) by exhaled breath and urine samples analysis. Exhaled breath samples were collected from 48 breast cancer patients and 45 healthy women that served as a control group. Urine samples were collected from 37 patients who were diagnosed with breast cancer based on physical or mammography tests prior to any surgery, and from 36 healthy women...
April 4, 2018: Computers in Biology and Medicine
https://www.readbyqxmd.com/read/29653288/ph-protective-y-1-receptor-ligand-functionalized-antiphagocytosis-bplp-wpu-micelles-for-enhanced-tumor-imaging-and-therapy-with-prolonged-survival-time
#13
Zhenqi Jiang, Yuchen Tian, Dingying Shan, Yinjie Wang, Ethan Gerhard, Jianbi Xia, Rong Huang, Yan He, Aiguo Li, Jianchao Tang, Huimin Ruan, Yong Li, Juan Li, Jian Yang, Aiguo Wu
Nanoparticle-based tumor therapies are extensively studied; however, few are capable of improving patient survival time due to premature drug leakage, off target effects, and poor tissue penetration. Previously, we successfully synthesized a novel family of Y1 receptor (Y1 R) ligand modified, photoluminescent BPLP nanobubbles and nanoparticles for targeted breast cancer ultrasound imaging; however, increased accumulation could also be observed in the liver, kidney, and spleen, suggesting significant interaction of the particles with macrophages in vivo...
April 4, 2018: Biomaterials
https://www.readbyqxmd.com/read/29653286/stromal-cell-laden-3d-hydrogel-microwell-arrays-as-tumor-microenvironment-model-for-studying-stiffness-dependent-stromal-cell-cancer-interactions
#14
Xiaoshan Yue, Trung Dung Nguyen, Victoria Zellmer, Siyuan Zhang, Pinar Zorlutuna
Tumor properties such as growth and metastasis are dramatically dependent on the tumor microenvironment (TME). However, the diversity of the TME including the stiffness and the composition of the extracellular matrix (ECM), as well as the involvement of stromal cells, makes it extremely difficult to establish proper in vitro models for studying tumor growth and metastasis. In this research, we fabricated a stromal cell-laden microwell array system with tunable stiffness ranging from 200 Pa up to 3 kPa, which covers the stiffness range of normal and cancerous mammary tissues, to study the effect of ECM stiffness on stromal-cancer interaction...
April 3, 2018: Biomaterials
https://www.readbyqxmd.com/read/29653223/acid-sensitive-hybrid-polymeric-micelles-containing-a-reversibly-activatable-cell-penetrating-peptide-for-tumor-specific-cytoplasm-targeting
#15
Baoqiang Tang, Jennica L Zaro, Yan Shen, Qian Chen, Yinglan Yu, Pingping Sun, Yanqi Wang, Wei-Chiang Shen, Jiasheng Tu, Chunmeng Sun
Cell-penetrating peptides (CPPs) have become a novel drug delivery system due to their distinct advantages, including high cell transmembrane potency and ability to carry cargo molecules inside cells. However, owing to their cationic charge and non-specificity characteristics, the clinical application of CPPs is limited. In the current study, we engineered a reversibly activatable cell-penetrating peptide (RACPP), containing oligoarginine fused to a pH-sensitive masking sequence via a polyglycine linker ((HE)10 G5 R6 or HE-CPP) with ultra-pH-sensitivity...
April 10, 2018: Journal of Controlled Release: Official Journal of the Controlled Release Society
https://www.readbyqxmd.com/read/29653063/functional-evaluation-of-znf350-missense-genetic-variants-associated-with-breast-cancer-susceptibility
#16
Nasha Zhang, Youhua Lu, Xijun Liu, Dianke Yu, Zheng Lv, Ming Yang
ZNF350, a BRCA1-interacting protein, could mediate BRCA1-induced sequence-specific transcriptional repression of several genes, including GADD45α. As a potential breast cancer susceptibility gene, single nucleotide polymorphisms (SNPs), especially missense SNPs, may influence the transcriptional repression of its target tumor suppressor genes and individuals' breast cancer risk. Using the gene-based haplotype-tagging SNPs strategy, we evaluated the association between six ZNF350 polymorphisms and breast cancer risk in a case-control set from a northern Chinese population...
April 13, 2018: DNA and Cell Biology
https://www.readbyqxmd.com/read/29652946/-impact-of-the-chilean-explicit-guaranties-health-system-ges-on-breast-cancer-treatment
#17
César Del Castillo Sm, M Elena Cabrera C, Lea Derio P, Fancy Gaete V, Gabriel Cavada Ch
Background Breast cancer is the most common malignant tumor in women in the world. In 2005, it was incorporated to the Explicit Guaranties Health System (GES) in Chile. Aim To describe the demographic and clinical characteristics of breast cancer patients and to determine the effect of incorporating these women to GES. Material and Methods Medical records of 5,119 women with breast cancer aged 59 ± 14 years, attended at six public hospitals between 2000 and 2010 were reviewed. Median follow up was 87 months (range 1-182)...
December 2017: Revista Médica de Chile
https://www.readbyqxmd.com/read/29652604/an-engineered-human-adipose-collagen-model-for-in-vitro-breast-cancer-cell-migration-studies
#18
Robert David Hume, Lorraine Berry, Stefanie Reichelt, Michael D'Angelo, Jenny Gomm, Ruth Elizabeth Cameron, Christine Watson
Adipocytes are one of the major stromal cell components of the human breast. These cells play a key role in the development of the gland and are implicated in breast tumorigenesis. Frequently, directional stromal collagen I fibres are found surrounding aggressive breast tumours. These fibres enhance breast cancer cell migration and are associated with poor patient prognosis. We sought to recapitulate these stromal components in vitro to provide a 3D model comprising human adipose tissue and anisotropic collagen fibres...
March 8, 2018: Tissue Engineering. Part A
https://www.readbyqxmd.com/read/29652473/a-smart-photosensitizer-tumor-triggered-oncotherapy-by-self-assembly-photodynamic-nanodots
#19
Yuhua Jia, Jinyu Li, Jincan Chen, Ping Hu, Longguang Jiang, Xueyuan Chen, Mingdong Huang, Zhuo Chen, Peng Xu
Clinical photosensitizers suffer from the disadvantages of fast photobleaching and high systemic toxicities due to the off-target photodynamic effects. To address these problems, we report a self-assembled pentalysine-phthalocyanine assembly nanodots (PPAN) fabricated by an amphipathic photosensitizer-peptide conjugate. We triggered the PDT effects of photosensitizers by precisely controlling the assembly and disintegration of the nanodots. In physiological aqueous conditions, PPAN exhibited a size-tunable spherical conformation with a highly positive shell of the polypeptides and a hydrophobic core of the π-stacking Pc moieties...
April 13, 2018: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/29652200/bursera-copallifera-extracts-have-cytotoxic-and-migration-inhibitory-effects-in-breast-cancer-cell-lines
#20
Fabiola Domínguez, Paola Maycotte, Adilene Acosta-Casique, Sofía Rodríguez-Rodríguez, Diego A Moreno, Federico Ferreres, Juan Carlos Flores-Alonso, María Guadalupe Delgado-López, Martín Pérez-Santos, Maricruz Anaya-Ruiz
Plants from the Bursera genus are widely distributed in the tropical dry forests of Mexico. In traditional medicine, extracts from different species of Bursera have been used for a wide range of biological activities, including the treatment of cancer-related symptoms. Compounds present in the Bursera genus include lignans, flavonoids, steroids, short-chain aliphatic alkanes, acetates, alcohols, ketones, and terpenoids. In some instances, secondary metabolites of these classes of compounds may induce cytotoxicity, and therefore we sought to investigate the effects of B...
April 1, 2018: Integrative Cancer Therapies
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