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https://www.readbyqxmd.com/read/29145574/rethinking-extended-adjuvant-antiestrogen-therapy-to-increase-survivorship-in-breast-cancer
#1
Balkees Abderrahman, V Craig Jordan
No abstract text is available yet for this article.
November 16, 2017: JAMA Oncology
https://www.readbyqxmd.com/read/29145561/clinical-significance-of-cd73-in-triple-negative-breast-cancer-multiplex-analysis-of-a-phase-iii-clinical-trial
#2
L Buisseret, S Pommey, B Allard, S Garaud, M Bergeron, I Cousineau, L Ameye, Y Bareche, M Paesmans, J P A Crown, A Di Leo, S Loi, M Piccart-Gebhart, K Willard-Gallo, C Sotiriou, J Stagg
Background: CD73 is an ecto-enzyme that promotes tumor immune escape through the production of immunosuppressive extracellular adenosine in the tumor microenvironment. Several CD73 inhibitors and adenosine receptor antagonists are being evaluated in phase I clinical trials. Patients and methods: Full-face sections from formalin-fixed paraffin-embedded primary breast tumors from 122 samples of triple-negative breast cancer from the BIG 02-98 adjuvant phase III clinical trial were included in our analysis...
November 14, 2017: Annals of Oncology: Official Journal of the European Society for Medical Oncology
https://www.readbyqxmd.com/read/29145444/inhibition-of-the-h3k9-methyltransferase-g9a-attenuates-oncogenicity-and-activates-the-hypoxia-signaling-pathway
#3
Jolene Caifeng Ho, Lissa Nurrul Abdullah, Qing You Pang, Sudhakar Jha, Edward Kai-Hua Chow, Henry Yang, Hiroyuki Kato, Lorenz Poellinger, Jun Ueda, Kian Leong Lee
Epigenetic mechanisms play important roles in the regulation of tumorigenesis, and hypoxia-induced epigenetic changes may be critical for the adaptation of cancer cells to the hypoxic microenvironment of solid tumors. Previously, we showed that loss-of-function of the hypoxia-regulated H3K9 methyltransferase G9A attenuates tumor growth. However, the mechanisms by which blockade of G9A leads to a tumor suppressive effect remain poorly understood. We show that G9A is highly expressed in breast cancer and is associated with poor patient prognosis, where it may function as a potent oncogenic driver...
2017: PloS One
https://www.readbyqxmd.com/read/29145336/expression-of-hormone-receptors-in-low-grade-adenosquamous-carcinoma-of-the-breast-a-case-report
#4
Hai-Bo Wu, An-Li Zhang, Wei Wang, Heng Li
RATIONALE: Low-grade adenosquamous carcinoma (LGASC) is a rare subtype of metaplastic breast carcinoma which is generally recognized as a characteristic subgroup of triple-negative breast cancers previously. However, in this study, we reported for the first time a case of LGASC with hormone receptors expression. PATIENT CONCERNS: Pathological analysis of breast tumor specimen obtained by a 42-year-old female patient was performed. Morphologically, it composed of glandular structures with scattered squamous differentiation accompanied by haphazard arrangement of spindle cell stroma...
November 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29145313/the-importance-of-family-caregiving-to-achieving-palliative-care-at-home-a-case-report-of-end-of-life-breast-cancer-in-an-area-struck-by-the-2011-fukushima-nuclear-crisis-a-case-report
#5
Akihiko Ozaki, Masaharu Tsubokura, Claire Leppold, Toyoaki Sawano, Manabu Tsukada, Tsuyoshi Nemoto, Kazuhiro Kosugi, Yoshitaka Nishikawa, Shigeaki Kato, Hiromichi Ohira
RATIONALE: The primary setting of palliative care has shifted from inpatient care to patients' residences. Family caregiving is essential for patients with life-limiting illnesses to receive palliative care at home, however little information is available regarding potential interventions to achieve palliative homecare for those without sufficient support from family members in various settings, including disasters. PATIENT CONCERNS: In March 2011, Fukushima, Japan experienced an earthquake, tsunami and nuclear disaster...
November 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29145305/prognostic-significance-of-metabolic-enzyme-pyruvate-kinase-m2-in-breast-cancer-a-meta-analysis
#6
Yiming Yang, Ke Wu, Yulin Liu, Liang Shi, Kaixiong Tao, Guobin Wang
BACKGROUNDS: Numerous studies have reported that aberrant pyruvate kinase M2 isoform (PKM2) expressed in cancer, indicating that PKM2 plays a critical role in tumor initiation and progression. Nevertheless, its prognostic value in breast cancer tumor is yet contentious. Therefore, we performed this meta-analysis to evaluate the prognostic significance of PKM2 in breast cancer. METHODS: Eligible relevant literatures were retrieved by searching PubMed, the Cochrane Library, Embase through December 2016...
November 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29145270/study-on-the-adverse-effects-following-chemotherapy-for-breast-cancer-diagnosis-during-pregnancy-the-first-case-report-in-china
#7
Xin Ye, Qi He, Xiaoyun Zhou
RATIONALE: Treatment of breast cancer during pregnancy (BCP) remains a challenge to physicians. Surgery and chemotherapy during pregnancy are widely used for the treatment of BCP. Herein, we reported 3 Chinese patients with BCP who underwent chemotherapy during pregnancy and were followed up for adverse effects. PATIENT CONCERNS: Three female patients (case 1, case 2, and case 3) of 37-, 32-, and 28-year-old with breast masses were enrolled. Case 1 had been pregnant for over 4 months, case 2 over 7 months, and case 3 for 7 months...
November 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29145260/reversible-severe-fatty-liver-induced-by-capecitabine-a-case-report
#8
Yiyan Jiang, Qiancheng He, Suxia Li, Chang Shi, Xiaolei Yang
RATIONALE: Capecitabine (CAP) is a chemotherapeutic agent used to treat breast and gastrointestinal cancers. The most common adverse reactions of CAP primarily included gastrointestinal and dermatological effects. Whereas, the CAP-induced fatty liver had never been reported. PATIENT CONCERNS: In this study, a-69-year old female presented a history of hypertension with regulated blood pressure, whereas diabetes mellitus, hyperlipidemia, and hepatitis were excluded...
November 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29145250/consort-independent-prognostic-value-of-asphericity-of-pretherapeutic-f-18-fdg-uptake-by-primary-tumors-in-patients-with-breast-cancer
#9
Ji-Hoon Jung, Seung Hyun Son, Do-Hoon Kim, Jeeyeon Lee, Shin Young Jeong, Sang-Woo Lee, Ho Yong Park, Jaetae Lee, Byeong-Cheol Ahn
BACKGROUND: The aim of this study was to evaluate the prognostic implication of asphericity (ASP); spatial irregularity; of pretherapeutic F 2-deoxy-2-fluoro-D-glucose (F FDG) tumor uptake in patients with invasive ductal carcinoma (IDC) of the breast. METHODS: One hundred thirty-one female IDC patients (mean age = 48.1 ± 10.4 years), with pathological tumor size greater than 2 cm were retrospectively evaluated using F FDG positron emission tomography/computed tomography (PET/CT)...
November 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29145211/patient-reported-outcome-results-from-the-open-label-randomized-phase-iii-select-bc-trial-evaluating-first-line-s-1-therapy-for-metastatic-breast-cancer
#10
Takuya Kawahara, Kojiro Shimozuma, Takeru Shiroiwa, Yasuhiro Hagiwara, Yukari Uemura, Takanori Watanabe, Naruto Taira, Takashi Fukuda, Yasuo Ohashi, Hirofumi Mukai
OBJECTIVE: To evaluate the effects of S-1, an orally administered 5-FU agent, versus taxane on patient-reported outcomes (PROs) in the SELECT BC trial. METHODS: Patients with HER2-negative and endocrine treatment-resistant breast cancer with metastasis or recurrence after surgery were randomly assigned to receive first-line taxane or S-1. PROs (secondary endpoint) were assessed using the European Organisation for Research and Treatment of Cancer Quality of Life Questionnaire Core 30 (EORTC QLQ-C30) and Patient Neurotoxicity Questionnaire (PNQ) at baseline and at 3, 6, and 12 months...
November 17, 2017: Oncology
https://www.readbyqxmd.com/read/29145193/huaier-extract-inhibits-breast-cancer-progression-through-a-lncrna-h19-mir-675-5p-pathway
#11
Jijun Wang, Xiaolong Wang, Tong Chen, Liyu Jiang, Qifeng Yang
BACKGROUND/AIMS: Increasing evidence indicates that Huaier extract has promising therapeutic effects against cancer. However, the mechanisms that underlie its anti-tumor effects remain unclear. In recent years, various studies have shown that long noncoding RNAs (lncRNAs) play a critical role in the regulation of cancer development and progression. Here, we explored the role of lncRNAs in Huaier-induced tumor suppression. METHODS: Microarray profiling was performed to identify the candidate lncRNAs affected by Huaier extract...
November 17, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29145037/time-to-diagnosis-and-treatment-for-cancer-patients-in-the-netherlands-room-for-improvement
#12
Charles C W Helsper, Nicole N F van Erp, Petra P H M Peeters, Niek N J de Wit
BACKGROUND & AIM: Reducing the duration of the diagnostic cancer care pathway is intensively pursued. The aim of this study was to chart the diagnostic pathway for the five most common cancers in the Netherlands. METHODS: A retrospective cohort study using cancer patients' anonymised primary care data (free text and coded) linked to the Netherlands Cancer Registry. We determined the median duration of the following: 1. Primary care intervals (IPCs): the first cancer-related general practitioner consultation to referral, 2...
November 13, 2017: European Journal of Cancer
https://www.readbyqxmd.com/read/29144792/effect-of-blood-collection-tube-type-and-time-to-processing-on-the-enumeration-and-high-content-characterization-of-circulating-tumor-cells-using-the-high-definition-single-cell-assay
#13
Mariam Rodríguez-Lee, Anand Kolatkar, Madelyn McCormick, Angel D Dago, Jude Kendall, Nils Anders Carlsson, Kelly Bethel, Emily J Greenspan, Shelley E Hwang, Kathryn R Waitman, Jorge J Nieva, James Hicks, Peter Kuhn
CONTEXT: - As circulating tumor cell (CTC) assays gain clinical relevance, it is essential to address preanalytic variability and to develop standard operating procedures for sample handling in order to successfully implement genomically informed, precision health care. OBJECTIVE: - To evaluate the effects of blood collection tube (BCT) type and time-to-assay (TTA) on the enumeration and high-content characterization of CTCs by using the high-definition single-cell assay (HD-SCA)...
November 16, 2017: Archives of Pathology & Laboratory Medicine
https://www.readbyqxmd.com/read/29144790/evaluation-of-ki-67-index-in-core-needle-biopsies-and-matched-breast-cancer-surgical-specimens
#14
Soomin Ahn, Junghye Lee, Min-Sun Cho, Sanghui Park, Sun Hee Sung
CONTEXT: - The Ki-67 index is strongly prognostic and is used as a surrogate marker to distinguish luminal A from luminal B breast cancer types. OBJECTIVE: - To investigate differences in Ki-67 index between core needle biopsy samples and matched surgical samples in breast cancer. DESIGN: - We included patients with invasive breast cancer who did not receive neoadjuvant therapy. A total of 89 pairs of core needle biopsies and surgical specimens were collected, and the Ki-67 index was assessed in hot spot areas using an image analyzer...
November 16, 2017: Archives of Pathology & Laboratory Medicine
https://www.readbyqxmd.com/read/29144788/panchakola-reduces-oxidative-stress-in-mcf-7-breast-cancer-and-hek293-cells
#15
Tooba Naz Shamsi, Romana Parveen, Sadaf Fatima
A large number of studies have proven the efficacy of ayurveda in the field of health and wellness. Panchakola, an ayurvedic formulation, is a general health tonic primarily used to cure fever, inflammation, pain, indigestion, and so on. We investigated effects of panchakola on oxidative stress in MCF-7 breast cancer and human embryonic kidney 293 (HEK293) cells. This work was performed to assess the antineoplastic and free radical-scavenging potential of aqueous extract of panchakola, a polyherbal formulation, in normal and breast cancer cell lines (i...
November 16, 2017: Journal of Dietary Supplements
https://www.readbyqxmd.com/read/29144746/oxyprenylated-phenylpropanoids-bind-to-mt1-melatonin-receptors-and-inhibit-breast-cancer-cell-proliferation-and-migration
#16
Mahmud Hasan, Salvatore Genovese, Serena Fiorito, Francesco Epifano, Paula A Witt-Enderby
Oxyprenylated compounds (i.e., ferulic acid and coumarin derivatives) demonstrate neuroprotection and anticancer properties as reported in previous studies. We have tested the affinity of oxyprenylated ferulic acid (1-4) and umbelliferone derivatives (5-11) to melatonin receptors as well as their antiproliferation and antimigratory properties against breast cancer (BC) cell lines. All the compounds except for ferulic acid, boropinic acid, and umbelliferone had binding affinities to melatonin receptors in the nM to μM range, and both auraptene and umbellinprenin reduced BC cell proliferation and migration in phenotypically diverse BC including triple negative...
November 16, 2017: Journal of Natural Products
https://www.readbyqxmd.com/read/29144730/cancer-protrusions-on-a-tightrope-nanofiber-curvature-contrast-quantitates-single-protrusion-dynamics
#17
Brian Koons, Puja Sharma, Zhou Ye, Apratim Mukherjee, Meng Horng Lee, Denis Wirtz, Bahareh Behkam, Amrinder Singh Nain
Cell migration is studied with the traditional focus on protrusion driven cell body displacement, while less is known on morphodynamics of individual protrusions themselves, especially in fibrous environments mimicking extracellular matrix. Here, using suspended fibers, we report integrative and multiscale abilities to study protrusive behavior independent of cell body migration. By manipulating the diameter of fibers in orthogonal directions, we constrain cell migration along large diameter (2 µm) base fibers, while solely allowing cells to sense, initiate, and mature protrusions on orthogonally deposited high curvature-low diameter (~100, 200 and 600 nm) protrusive fibers and low-curvature (~300 and 600 nm width) protrusive flat ribbons...
November 16, 2017: ACS Nano
https://www.readbyqxmd.com/read/29144726/physalis-mottle-virus-like-particles-as-nanocarriers-for-imaging-reagents-and-drugs
#18
Hema Masarapu, Bindi K Patel, Paul L Chariou, He Hu, Neetu M Gulati, Bradley L Carpenter, Reza A Ghiladi, Sourabh Shukla, Nicole F Steinmetz
Platform technologies based on plant virus nanoparticles (VNPs) and virus-like particles (VLPs) are attracting the attention of researchers and clinicians because the particles are biocompatible, biodegradable, noninfectious in mammals, and can readily be chemically and genetically engineered to carry imaging agents and drugs. When the Physalis mottle virus (PhMV) coat protein is expressed in Escherichia coli, the resulting VLPs are nearly identical to the viruses formed in vivo. Here, we isolated PhMV-derived VLPs from ClearColi cells and carried out external and internal surface modification with fluorophores using reactive lysine-N-hydroxysuccinimide ester and cysteine-maleimide chemistries, respectively...
November 16, 2017: Biomacromolecules
https://www.readbyqxmd.com/read/29144552/simultaneous-determination-of-tilianin-and-its-metabolites-in-mice-using-ultra-high-performance-liquid-chromatography-with-tandem-mass-spectrometry-and-its-application-to-a-pharmacokinetic-study
#19
Liping Wang, Qingwei Chen, Lijun Zhu, Xuejun Zeng, Qiang Li, Ming Hu, Xinchun Wang, Zhongqiu Liu
Tilianin is an active flavonoid glycoside found in many medical plants. Data are lacking regarding its pharmacokinetics and disposition in vivo. The objective of this study was to develop a sensitive, reliable, and validated ultra-high-performance liquid chromatography with tandem mass spectrometry (UHPLC-MS/MS) method to simultaneously quantify tilianin and its main metabolites and to determine its pharmacokinetics in wild-type and breast cancer resistance protein knockout (Bcrp1-/-) FVB mice. Chromatographic separation was accomplished on a C18 column by utilizing acetonitrile and 0...
November 16, 2017: Biomedical Chromatography: BMC
https://www.readbyqxmd.com/read/29144542/autoimmune-diseases-and-breast-cancer-risk-by-tumor-hormone-receptor-status-among-elderly-women
#20
Catherine Schairer, Ruth M Pfeiffer, Shahinaz M Gadalla
The female preponderance of many autoimmune diseases suggests a possible hormonal etiology. Little research exists on systemic and organ-specific autoimmune diseases and risk of breast cancer by tumor estrogen receptor (ER)- and progesterone receptor (PR)- status. Here we evaluate associations between selected systemic and organ-specific autoimmune diseases and breast cancer risk overall and by tumor ER- and PR-status. We used linked Surveillance, Epidemiology and End Results (SEER)-Medicare data, with first female breast cancer cases ages ≥66 years identified by SEER registries (years 1992-2011) (N = 209,929)...
November 16, 2017: International Journal of Cancer. Journal International du Cancer
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