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https://www.readbyqxmd.com/read/29775617/preoperative-lymphocyte-to-monocyte-ratio-predicts-breast-cancer-outcome-a-meta-analysis
#1
REVIEW
Ru-Jin Hu, Jian-Ying Ma, Qin Liu, Jing Zhou, Gang Liu
AIM: To assess the prognostic value of the preoperative lymphocyte-to-monocyte ratio (LMR) in patients with breast cancer (BC). METHODS: Relevant studies were systematically retrieved from the online Cochrane, MEDLINE, EMBASE and CNKI databases published until February 2018. The end points were overall survival (OS), disease-free survival (DFS), and clinicopathological parameters. Meta-analysis was performed using hazard ratios (HRs) or odds ratios (ORs) and their 95% confidence intervals (CIs) as effect measures...
May 15, 2018: Clinica Chimica Acta; International Journal of Clinical Chemistry
https://www.readbyqxmd.com/read/29774470/reproducibility-and-predictive-value-of-scoring-stromal-tumour-infiltrating-lymphocytes-in-triple-negative-breast-cancer-a-multi-institutional-study
#2
EDITORIAL
Mark O'Loughlin, Xavier Andreu, Simonetta Bianchi, Ewa Chemielik, Alicia Cordoba, Gábor Cserni, Paulo Figueiredo, Giuseppe Floris, Maria P Foschini, Päivi Heikkilä, Janina Kulka, Inta Liepniece-Karele, Peter Regitnig, Angelika Reiner, Ales Ryska, Anna Sapino, Aliaa Shalaby, Elisabeth Specht Stovgaard, Cecily Quinn, Elaine M Walsh, Vicky Zolota, Sharon A Glynn, Grace Callagy
BACKGROUND: Several studies have demonstrated a prognostic role for stromal tumour infiltrating lymphocytes (sTILs) in triple-negative breast cancer (TNBC). The reproducibility of scoring sTILs is variable with potentially excellent concordance being achievable using a software tool. We examined agreement between breast pathologists across Europe scoring sTILs on H&E-stained sections without software, an approach that is easily applied in clinical practice. The association between sTILs and response to anthracycline-taxane NACT was also examined...
May 17, 2018: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/29774318/biological-subtypes-of-breast-cancer-and-sentinel-lymph-node-biopsy
#3
Muhammet Kadri Çolakoğlu, Erhan Güven, Gökhan Giray Akgül, Lütfi Doğan, Mehmet Ali Gülçelik
Objective: Breast cancer subtypes are used as prognostic and predictive factors considering the genomic profile of the disease. This study is designed to investigate the Sentinel Lymph Node (SLN) detection rate in breast cancer for different biological characteristics. Material and Methods: Patients on whom we performed the methylene blue method alone were named as Group I, radiocolloid substance method alone as Group II and both methylene blue and radiocolloid method as Group III...
April 2018: European Journal of Breast Health
https://www.readbyqxmd.com/read/29774317/frequency-of-rearrangements-versus-small-indels-mutations-in-brca1-and-brca2-genes-in-turkish-patients-with-high-risk-breast-and-ovarian-cancer
#4
Hülya Yazıcı, Seda Kılıç, Demet Akdeniz, Özge Şükrüoğlu, Şeref Buğra Tuncer, Mukaddes Avşar, Gözde Kuru, Betül Çelik, Seden Küçücük, Pınar Saip
Objective: The current rearrangement ratio of BRCA1 and BRCA2 genes is not known in the Turkish population. Rearrangements are not routinely investigated in many Turkish laboratories. This creates problems and contradictions between clinics. Therefore, the aim of this study was to evaluate the distribution and frequency of rearrangements in BRCA1 and BRCA2 genes in high-risk families and to clarify the limits of BRCA1 and BRCA2 testing in Turkey. Materials and Methods: The study included 1809 patients at high risk of breast cancer or ovarian cancer...
April 2018: European Journal of Breast Health
https://www.readbyqxmd.com/read/29774109/sik2-attenuates-proliferation-and-survival-of-breast-cancer-cells-with-simultaneous-perturbation-of-mapk-and-pi3k-akt-pathways
#5
Neslihan Zohrap, Özge Saatci, Burcak Ozes, Ipek Coban, Hasan Murat Atay, Esra Battaloglu, Özgür Şahin, Kuyas Bugra
Salt Inducible Kinase2 (SIK2) has been shown to contribute to tumorigenesis in multiple tumor types in a dichotomous manner. However, little is known about its contribution to breast malignancies. Here, we report SIK2 as a potential tumor suppressor in breast cancer whose expression was reduced in tumor tissues and breast cancer cell lines compared to normal counterparts. In vitro loss- and gain-of-function experiments combined with xenograft studies demonstrated that SIK2-mediated attenuation of proliferation and survival of breast cancer cells with parallel inhibition of both Ras/Erk and PI3K/Akt pathways...
April 24, 2018: Oncotarget
https://www.readbyqxmd.com/read/29773414/hypofractionated-whole-breast-irradiation-with-or-without-boost-in-elderly-patients-clinical-evaluation-of-an-italian-experience
#6
Maria Carmen De Santis, Francesca Bonfantini, Francesca Di Salvo, Alba Fiorentino, Michela Dispinzieri, Mariangela Caputo, Serena Di Cosimo, Gabriella Mariani, Massimiliano Gennaro, Vito Cosentino, Milena Sant, Emanuele Pignoli, Riccardo Valdagni, Laura Lozza
PURPOSE: To examine local control, disease-free survival (DFS), and toxicity in elderly (≥ 65 years) breast cancer patients treated with hypofractionated radiotherapy (hypo-RT) with or without a boost to the tumor bed. PATIENTS AND METHODS: The study was conducted on 752 patients treated from April 2009 to February 2017. Patients received 42.4 Gy in 16 daily fractions (2.65 Gy per fraction). A boost was only administered in cases of grade 3 primary tumor and close or positive margins...
April 22, 2018: Clinical Breast Cancer
https://www.readbyqxmd.com/read/29772755/temozolomide-enhances-triple-negative-breast-cancer-virotherapy-in-vitro
#7
Rodolfo Garza-Morales, Roxana Gonzalez-Ramos, Akiko Chiba, Roberto Montes de Oca-Luna, Lacey R McNally, Kelly M McMasters, Jorge G Gomez-Gutierrez
Triple-negative breast cancer (TNBC) is one of the most aggressive types of cancer, and treatment is limited to chemotherapy and radiation. Oncolytic virotherapy may be a promising approach to treat TNBC. However, oncolytic adenovirus (OAd)-based mono-therapeutic clinical trials have resulted in modest outcomes. The OAd potency could be increased by chemotherapy-induced autophagy, an intracellular degradation system that delivers cytoplasmic constituents to the lysosome. In this study, the ability of alkylating agent temozolomide (TMZ)-induced autophagy to increase OAd replication and oncolysis in TNBC cells was evaluated...
May 17, 2018: Cancers
https://www.readbyqxmd.com/read/29771986/correction-the-natural-compound-jatrophone-interferes-with-wnt-%C3%AE-catenin-signaling-and-inhibits-proliferation-and-emt-in-human-triple-negative-breast-cancer
#8
Iram Fatima, Ikbale El-Ayachi, Ling Taotao, M Angeles Lillo, Raisa I Krutilina, Tiffany N Seagroves, Tomasz W Radaszkiewicz, Miroslav Hutnan, Vitezslav Bryja, Susan A Krum, Fatima Rivas, Gustavo A Miranda-Carboni
[This corrects the article DOI: 10.1371/journal.pone.0189864.].
2018: PloS One
https://www.readbyqxmd.com/read/29771902/the-impact-of-different-tumour-subtypes-on-management-and-survival-of-new-zealand-women-with-stage-i-iii-breast-cancer
#9
Ross Lawrenson, Chunhuan Lao, Ian Campbell, Vernon Harvey, Sanjeewa Seneviratne, Mark Elwood, Diana Sarfati, Marion Kuper-Hommel
AIMS: This study aims to describe the prevalence and characteristics of the different ER/PR/HER2 subtypes in New Zealand women with breast cancer, and to explore their treatment and outcomes. METHODS: This study included women diagnosed with Stage I-III breast cancer between January 2006 and May 2013, recorded in the combined Waikato and Auckland Breast Cancer Registers, and with complete data on their ER, PR and HER2 status. Five ER/PR/HER2 phenotypes were classified...
May 18, 2018: New Zealand Medical Journal
https://www.readbyqxmd.com/read/29771420/imp3-promotes-tnbc-stem-cell-property-through-mirna-34a-regulation
#10
Q-D Huang, S-R Zheng, Y-J Cai, D-L Chen, Y-Y Shen, C-Q Lin, X-Q Hu, X-H Wang, H Shi, G-L Guo
OBJECTIVE: To explore the expression and function of insulin-like growth factor II (IGFII) mRNA binding protein (IMP3) in the Triple Negative Breast Cancer (TNBC). MATERIALS AND METHODS: According to previously reported gene expression array, we found that IMP3 had significantly higher expression in the CD44+CD24-ESA+ cell cluster, tumor initiating cell or cancer stem cell (CSCs), compared to other tumor cells. Based on the GEO database (GEO accession No. GSE6883), we detected the mRNA levels of IMP 1,2 and 3 by quantitative polymerase chain reaction (q-PCR) in CD44+CD24-ESA+ cell cluster and other breast tumor cell clusters...
May 2018: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/29770313/management-of-the-axilla-in-metaplastic-breast-carcinoma
#11
Brittany L Murphy, Robert T Fazzio, Tanya L Hoskin, Katrina N Glazebrook, Michael G Keeney, Elizabeth B Habermann, Tina J Hieken
Background: Metaplastic breast cancer (MBC), characterized by admixed epithelial, squamous or mesenchymal elements, constitutes <1% of breast cancers and has a poor prognosis but a paradoxically low reported rate of axillary lymph node (LN) involvement. Due to its rarity, data on appropriate axillary management is lacking, prompting this investigation of LN status and outcomes. Methods: We identified 41 MBC patients treated at our institution 2001-2011 who were followed for a median of 66 months...
April 2018: Gland Surgery
https://www.readbyqxmd.com/read/29770131/real-time-tracking-of-ex-vivo-expanded-natural-killer-cells-toward-human-triple-negative-breast-cancers
#12
Tung Nguyen Thanh Uong, Kyung-Hwa Lee, Sung-Ja Ahn, Kyung Won Kim, Jung-Joon Min, Hoon Hyun, Mee Sun Yoon
Introduction: Ex vivo -expanded natural killer (NK) cells are a potential candidate for cancer immunotherapy based on high cytotoxicity against malignant tumor cells. However, a limited understanding of the migration of activated NK cells toward solid tumors is a critical dilemma in the development of effective and adoptive NK cell-based immunotherapy. Methods: Ex vivo -expanded NK cells from healthy donors were stained with near-infrared fluorophores at different concentrations...
2018: Frontiers in Immunology
https://www.readbyqxmd.com/read/29768500/clinically-relevant-inflammatory-breast-cancer-patient-derived-xenograft-derived-ex-vivo-model-for-evaluation-of-tumor-specific-therapies
#13
Bedrich L Eckhardt, Maria Gagliardi, LaKesla Iles, Kurt Evans, Cristina Ivan, Xiuping Liu, Chang-Gong Liu, Glauco Souza, Arvind Rao, Funda Meric-Bernstam, Naoto T Ueno, Geoffrey A Bartholomeusz
Inflammatory breast cancer (IBC) is a rare and aggressive presentation of invasive breast cancer with a 62% to 68% 5-year survival rate. It is the most lethal form of breast cancer, and early recognition and treatment is important for patient survival. Like non-inflammatory breast cancer, IBC comprises multiple subtypes, with the triple-negative subtype being overrepresented. Although the current multimodality treatment regime of anthracycline- and taxane-based neoadjuvant therapy, surgery, and radiotherapy has improved the outcome of patients with triple-negative IBC, overall survival continues to be worse than in patients with non-inflammatory locally advanced breast cancer...
2018: PloS One
https://www.readbyqxmd.com/read/29768496/the-effect-of-adjuvant-chemotherapy-on-survival-in-korean-patients-with-node-negative-t1c-triple-negative-breast-cancer
#14
Seung Taek Lim, Chan Heun Park, Sung Yong Kim, Seok Jin Nam, Eun Young Kang, Byung-In Moon, Hyouk Jin Lee, Ye Won Jeon, Hongki Gwak, Young Jin Suh
BACKGROUND: The present study investigated the prognostic role of adjuvant systemic chemotherapy in patients with node negative, T1c triple negative breast cancer (TNBC) from a nationwide cohort. In addition, the prognostic effect between 3 different chemotherapy regimens were compared in node-negative T1c TNBC patients by subgroup analysis. METHODS: From the Korean breast cancer registry database, 1,151 T1c node negative TNBC patients were included in this study...
2018: PloS One
https://www.readbyqxmd.com/read/29766637/subtype-specific-clinical-and-prognostic-relevance-of-tumor-expressed-f5-and-regulatory-f5-variants-in-breast-cancer-the-cocav-study
#15
Mari Tinholt, Øystein Garred, Elin Borgen, Elsa Beraki, Ellen Schlichting, Vessela Kristensen, Kristine Kleivi Sahlberg, Nina Iversen
BACKGROUND: Tumor expression of certain coagulation factors have been linked to cancer progression. Single nucleotide polymorphisms (SNPs) in F5 (encoding the FV protein) have been found associated with breast cancer, however, the role of coagulation factor V (FV) in cancer pathogenesis remains undiscovered. OBJECTIVES: We aimed to investigate the clinical significance of FV and the regulatory role of F5 gene variants in breast cancer. PATIENTS/METHODS: A Scandinavian 503-sample breast cancer cohort and three public breast cancer data sets (GOBO, TCGA, and KM plotter) were used to determine associations between F5 gene expression (tumor-specific), circulating FV, F5 SNPs, clinical characteristics, and breast cancer survival...
May 16, 2018: Journal of Thrombosis and Haemostasis: JTH
https://www.readbyqxmd.com/read/29766409/where-youth-matters-clinicopathologic-characteristics-and-emerging-trends-in-treatment-and-outcomes-in-young-irish-women-with-breast-cancer
#16
Megan Greally, Jennifer Kielty, Geoffrey A Watson, Geoffrey Das, Christina Malouf, Lynda McSorley, Niamh Coleman, Cecily Quinn, Enda W McDermott, Giuseppe Gullo, John Crown, Ruth S Prichard, Catherine M Kelly, Janice M Walshe
BACKGROUND: Young women with breast cancer (YWBC) represent 7-12% of breast cancer diagnoses and ostensibly have more biologically aggressive subtypes with higher relapse and mortality rates. We studied the clinical and pathological characteristics in YWBC and examined how outcomes and treatment have evolved. METHODS: YWBC were identified from pathology databases at two tertiary centers. Patients were divided into two cohorts: those diagnosed from 2000 to 2005 (C1) and from 2006 to 2015 (C2)...
May 15, 2018: Irish Journal of Medical Science
https://www.readbyqxmd.com/read/29765774/how-shall-we-treat-early-triple-negative-breast-cancer-tnbc-from-the-current-standard-to-upcoming-immuno-molecular-strategies
#17
REVIEW
Ji Hyun Park, Jin-Hee Ahn, Sung-Bae Kim
Triple-negative breast cancer (TNBC) is a long-lasting orphan disease in terms of little therapeutic progress during the past several decades and still the standard of care remains chemotherapy. Experimental discovery of molecular signatures including the 'BRCAness' highlighted the innate heterogeneity of TNBC, generating the diversity of TNBC phenotypes. As it contributes to enhancing genomic instability, it has widened the therapeutic spectrum of TNBC. In particular, unusual sensitivity to DNA damaging agents was denoted in patients with BRCA deficiency, suggesting therapeutic benefit from platinum and poly(ADP-ribose) polymerase inhibitors...
2018: ESMO Open
https://www.readbyqxmd.com/read/29765318/utility-of-a-novel-three-dimensional-and-dynamic-3dd-cell-culture-system-for-pk-pd-studies-evaluation-of-a-triple-combination-therapy-at-overcoming-anti-her2-treatment-resistance-in-breast-cancer
#18
Anusha Ande, Tanaya R Vaidya, Bao N Tran, Michael Vicchiarelli, Ashley N Brown, Sihem Ait-Oudhia
Background: Emergence of Human epidermal growth factor receptor 2 (HER2) therapy resistance in HER2-positive (HER2+) breast cancer (BC) poses a major clinical challenge. Mechanisms of resistance include the over-activation of the PI3K/mTOR and Src pathways. This work aims to investigate a novel combination therapy that employs paclitaxel (PAC), a mitotic inhibitor, with everolimus (EVE), an mTOR inhibitor, and dasatinib (DAS), an Src kinase inhibitor, as a modality to overcome resistance. Methods: Static (two dimensional, 2D) and three-dimensional dynamic (3DD) cell culture studies were conducted using JIMT-1 cells, a HER2+ BC cell line refractory to HER2 therapies...
2018: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/29765252/triple-negative-and-her2-overexpressing-breast-cancer-cell-sialylation-impacts-tumor-microenvironment-t-lymphocyte-subset-recruitment-a-possible-mechanism-of-tumor-escape
#19
Christian Garbar, Corinne Mascaux, Yacine Merrouche, Armand Bensussan
Introduction: Breast cancers develop different patterns of sialylation to modulate their tumor-infiltrating lymphocyte (TIL) environment. We studied the relationship between α-2,6 sialyltransferases and the TIL in different breast cancer molecular subgroups. Materials and methods: Immunohistochemical preparations were made from 39 luminal (LUM), 13 human epidermal growth factor receptor 2-overexpressing (HER2) and 47 triple-negative (TN) breast carcinomas. Targeted proteins included ST6Gal-I, ST6Gal-II, ST6GalNac-I, CD8, CD4 and granzyme-B in both cytotoxic T lymphocytes and NK lymphocytes (CTL/NK)...
2018: Cancer Management and Research
https://www.readbyqxmd.com/read/29765171/risks-and-protective-factors-for-triple-negative-breast-cancer-with-a-focus-on-micronutrients-and-infections
#20
Dagmar Horakova, Katerina Bouchalova, Karel Cwiertka, Ladislav Stepanek, Jana Vlckova, Helena Kollarova
Triple negative breast cancer (TNBC) is an aggressive form of breast cancer (BC) with a poor prognosis. Second, patients cannot benefit from targeted therapy, except for those with BRCA1/2 mutations, for whom poly (ADP-ribose) polymerase (PARP) inhibition therapy using olaparib has recently been approved. As global priorities continue to be epidemiological analysis of BC risk factors and early diagnosis, this review focuses on the risks and protective factors associated with TNBC. A PubMed keyword search for new knowledge on the risks and protective factors for TNBC was carried out...
May 15, 2018: Biomedical Papers of the Medical Faculty of the University Palacký, Olomouc, Czechoslovakia
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