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https://www.readbyqxmd.com/read/28643770/role-of-circulating-tumor-cell-ctc-monitoring-in-evaluating-prognosis-of-triple-negative-breast-cancer-patients-in-china
#1
Yanwu Zhang, Yidong Lv, Yaodong Niu, Hongge Su, Aiqiang Feng
BACKGROUND Breast cancer (BC) is the most common malignant tumor in females. This study investigated the role and utility of CTC monitoring in evaluating the prognosis of triple-negative breast cancer patients. MATERIAL AND METHODS We enrolled 286 female triple-negative breast cancer patients who were diagnosed at and received radical resection surgery in our hospital. Peripheral venous blood samples were collected preoperatively and at 3 and 7 days postoperative, and the Cell Search system was used to detect CTC in peripheral blood...
June 23, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28643430/platinum-containing-regimens-for-metastatic-breast-cancer
#2
REVIEW
Sam J Egger, Melina L Willson, Jenna Morgan, Harriet S Walker, Sue Carrick, Davina Ghersi, Nicholas Wilcken
BACKGROUND: Studies have reported high tumour response rates for platinum-containing regimens in the treatment of women with metastatic breast cancer. Most of these studies were conducted prior to the 'intrinsic subtype' era, and did not specifically focus on metastatic triple-negative breast cancers (mTNBCs). OBJECTIVES: To identify and review the evidence from randomised trials comparing platinum-containing chemotherapy regimens with regimens not containing platinum in the management of women with metastatic breast cancer...
June 23, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28643125/the-role-of-prmt1-in-egfr-methylation-and-signaling-in-mda-mb-468-triple-negative-breast-cancer-cells
#3
Katsuya Nakai, Weiya Xia, Hsin-Wei Liao, Mitsue Saito, Mien-Chie Hung, Hirohito Yamaguchi
BACKGROUND: Epidermal growth factor receptor (EGFR) is often overexpressed in triple-negative breast cancer (TNBC). However, clinical studies have shown that therapies against EGFR are not effective in patients with TNBC. Recently, it has been reported that arginine 198/200 in EGFR extracellular domain is methylated by PRMT1 and that the methylation confers resistance to EGFR monoclonal antibody cetuximab in colorectal cancer cells. To explore a potential mechanism underlying intrinsic resistance to anti-EGFR therapy in TNBC, we investigated the role of PRMT1 in EGFR methylation and signaling in MDA-MB-468 (468) TNBC cells...
June 22, 2017: Breast Cancer: the Journal of the Japanese Breast Cancer Society
https://www.readbyqxmd.com/read/28640095/aldehyde-dehydrogenase-1-expression-is-correlated-with-poor-prognosis-in-breast-cancer
#4
Juan Yao, Qin Jin, Xu-Dong Wang, Hui-Jun Zhu, Qi-Chao Ni
Breast cancer (BC) is one of the most common cancers worldwide, and is a major cause of death in women. Aldehyde dehydrogenase 1 (ALDH1) is a marker of stem cells and cancer stem cells, and its activity correlates with the outcome of various tumors, including BC. This study aimed to analyze the relationship between ALDH1 expression and clinicopathological characters in BC and the prognostic significance of ALDH1.We used quantitative reverse-transcription PCR (qRT-PCR) to detect ALDHA1 mRNA levels in 25 fresh frozen BC samples and matched noncancerous samples...
June 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28638726/downregulation-of-antigen-presentation-associated-pathway-proteins-is-linked-to-poor-outcome-in-triple-negative-breast-cancer-patient-tumors
#5
Martin H Pedersen, Brian L Hood, Hans Christian Beck, Thomas P Conrads, Henrik J Ditzel, Rikke Leth-Larsen
Triple-negative breast cancer (TNBC) is a heterogeneous subtype with varying disease outcomes. Tumor-infiltrating lymphocytes (TILs) are frequent in TNBC and have been shown to correlate with outcome, suggesting an immunogenic component in this subtype. However, other factors intrinsic to the cancer cells may also influence outcome. To identify proteins and molecular pathways associated with recurrence in TNBC, 34 formalin-fixed paraffin-embedded (FFPE) primary TNBC tumors were investigated by global proteomic profiling using mass spectrometry...
2017: Oncoimmunology
https://www.readbyqxmd.com/read/28637432/current-guidelines-for-brca-testing-of-breast-cancer-patients-are-insufficient-to-detect-all-mutation-carriers
#6
Eli Marie Grindedal, Cecilie Heramb, Inga Karsrud, Sarah Louise Ariansen, Lovise Mæhle, Dag Erik Undlien, Jan Norum, Ellen Schlichting
BACKGROUND: Identification of BRCA mutations in breast cancer (BC) patients influences treatment and survival and may be of importance for their relatives. Testing is often restricted to women fulfilling high-risk criteria. However, there is limited knowledge of the sensitivity of such a strategy, and of the clinical aspects of BC caused by BRCA mutations in less selected BC cohorts. The aim of this report was to address these issues by evaluating the results of BRCA testing of BC patients in South-Eastern Norway...
June 21, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28636984/whether-low-dose-metronomic-oral-cyclophosphamide-improves-the-response-to-docetaxel-in-first-line-treatment-of-non-triple-negative-metastatic-breast-cancer
#7
Jian Zhang, Leiping Wang, Zhonghua Wang, Biyun Wang, Jun Cao, Fangfang Lv, Sheng Zhang, Zhimin Shao, Xichun Hu
Oral metronomic chemotherapy may target tumor cells indirectly via antiangiogenic activity, restoration of anticancer immune response, or induction of tumor dormancy. We initiated the single-center, randomized, open-label, phase II study to determine whether the addition of metronomic cyclophosphamide to docetaxel (T) (w/o trastuzumab) improves overall response rate (ORR) as first-line treatment among patients with non-triple-negative metastatic breast cancer (MBC). Eligible patients with previously untreated non-triple-negative MBC were randomly assigned (1:1) to receive 3-weekly cycles of Metro-TC (T 75mg/m2, d1 plus oral cyclophosphamide 50 mg daily) or T alone...
June 16, 2017: Oncotarget
https://www.readbyqxmd.com/read/28636652/integrative-analysis-of-genomic-alterations-in-triple-negative-breast-cancer-in-association-with-homologous-recombination-deficiency
#8
Masahito Kawazu, Shinya Kojima, Toshihide Ueno, Yasushi Totoki, Hiromi Nakamura, Akiko Kunita, Wei Qu, Jun Yoshimura, Manabu Soda, Takahiko Yasuda, Natsuko Hama, Mihoko Saito-Adachi, Kazuhito Sato, Shinji Kohsaka, Eirin Sai, Masako Ikemura, Shigeru Yamamoto, Tomoko Ogawa, Masashi Fukayama, Keiichiro Tada, Yasuyuki Seto, Shinichi Morishita, Shoichi Hazama, Tatsuhiro Shibata, Yoshihiro Yamashita, Hiroyuki Mano
Triple-negative breast cancer (TNBC) cells do not express estrogen receptors, progesterone receptors, or human epidermal growth factor receptor 2. Currently, apart from poly ADP-ribose polymerase inhibitors, there are few effective therapeutic options for this type of cancer. Here, we present comprehensive characterization of the genetic alterations in TNBC performed by high coverage whole genome sequencing together with transcriptome and whole exome sequencing. Silencing of the BRCA1 gene impaired the homologous recombination pathway in a subset of TNBCs, which exhibited similar phenotypes to tumors with BRCA1 mutations; they harbored many structural variations (SVs) with relative enrichment for tandem duplication...
June 21, 2017: PLoS Genetics
https://www.readbyqxmd.com/read/28636558/prognostic-significance-of-clinicopathological-factors-in-early-breast-cancer-20-years-of-follow-up-in-a-single-center-analysis
#9
Valentina Cocciolone, Katia Cannita, Maria Letizia Calandrella, Enrico Ricevuto, Paola Lanfiuti Baldi, Tina Sidoni, Azzurra Irelli, Stefania Paradisi, Laura Pizzorno, Valter Resta, Alberto Bafile, Edoardo Alesse, Alessandra Tessitore, Corrado Ficorella
BACKGROUND: To quantify the effect of traditional prognostic factors [nodal status, estrogen-receptor (ER), progesterone-receptor (PR), human epidermal growth factor receptor 2 (HER2)] on long-term outcome of patients with early breast cancer (EBC), treated in clinical practice over a period of about twenty years. RESULTS: 1198 consecutive patients were identified. Median DFS (disease-free survival): ER+/PR±/HER2-, 165 months (mo) if node-negative (N0) and 114mo if node-positive (N+) (p < 0...
June 16, 2017: Oncotarget
https://www.readbyqxmd.com/read/28633434/psip1-p75-promotes-tumorigenicity-in-breast-cancer-cells-by-promoting-the-transcription-of-cell-cycle-genes
#10
Deepak K Singh, Omid Gholamalamdari, Mahdieh Jadaliha, Xiao Ling Li, Yo-Chuen Lin, Yang Zhang, Shuomeng Guang, Seyedsasan Hashemikhabir, Saumya Tiwari, Yuelin J Zhu, Abid Khan, Anu Thomas, Arindam Chakraborty, Virgilia Macias, Andre K Balla, Rohit Bhargava, Sarath Chandra Janga, Jian Ma, Supriya G Prasanth, Ashish Lal, Kannanganattu V Prasanth
Breast cancer (BC) is a highly heterogeneous disease, both at the pathological and molecular level, and several chromatin-associated proteins play crucial roles in breast cancer initiation and progression. Here, we demonstrate the role of PSIP1 (PC4 and SF2 interacting protein)/p75 (LEDGF) in breast cancer progression. PSIP1/p75, previously identified as a chromatin-adaptor protein, is found to be upregulated in basal-like/triple negative breast cancer (TNBC) patient samples and cell lines. Immunohistochemistry in tissue arrays showed elevated levels of PSIP1 in metastatic invasive ductal carcinoma...
June 17, 2017: Carcinogenesis
https://www.readbyqxmd.com/read/28629464/mir-629-3p-may-serve-as-a-novel-biomarker-and-potential-therapeutic-target-for-lung-metastases-of-triple-negative-breast-cancer
#11
Jin Wang, Cailu Song, Hailin Tang, Chao Zhang, Jun Tang, Xing Li, Bo Chen, Xiaoming Xie
BACKGROUND: Different breast cancer subtypes show distinct tropisms for sites of metastasis. Notably, the lung is the most common site for the first distant recurrence in triple-negative breast cancer (TNBC). The identification of novel biomarkers for lung metastasis is of great importance to improving the outcome of TNBC. In this study, we sought to identify a microRNA (miRNA)-based biomarker and therapeutic target for lung metastasis of TNBC. METHODS: A total of 669 patients without de novo stage IV TNBC were recruited for this study...
June 19, 2017: Breast Cancer Research: BCR
https://www.readbyqxmd.com/read/28629330/breast-cancer-patient-delay-in-fukushima-japan-following-the-2011-triple-disaster-a-long-term-retrospective-study
#12
Akihiko Ozaki, Shuhei Nomura, Claire Leppold, Masaharu Tsubokura, Tetsuya Tanimoto, Takeru Yokota, Shigehira Saji, Toyoaki Sawano, Manabu Tsukada, Tomohiro Morita, Sae Ochi, Shigeaki Kato, Masahiro Kami, Tsuyoshi Nemoto, Yukio Kanazawa, Hiromichi Ohira
BACKGROUND: Little information is available concerning how patient delay may be affected by mass disasters. The main objectives of the present study are to identify whether there was a post-disaster increase in the risk of experiencing patient delay among breast cancer patients in an area affected by the 2011 triple disaster in Fukushima, Japan, and to elucidate factors associated with post-disaster patient delay. Sociodemographic factors (age, employment status, cohabitant status and evacuation status), health characteristics, and health access- and disaster-related factors were specifically considered...
June 19, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28628113/microrna-20a-mediated-loss-of-autophagy-contributes-to-breast-tumorigenesis-by-promoting-genomic-damage-and-instability
#13
L Liu, J He, X Wei, G Wan, Y Lao, W Xu, Z Li, H Hu, Z Hu, X Luo, J Wu, W Xie, Y Zhang, N Xu
Gene expression analysis of The Cancer Genome Atlas (TCGA) breast cancer data set show that miR-20a is upregulated in human breast cancer, especially in triple-negative subtype. Gene Set Enrichment Analysis suggests that miR-20a expression negatively correlates with the autophagy/lysosome pathway. We report here that miR-20a inhibits the basal and nutrient starvation-induced autophagic flux and lysosomal proteolytic activity, increases intracellular reactive oxygen species levels and DNA damage response by targeting several key regulators of autophagy, including BECN1, ATG16L1 and SQSTM1...
June 19, 2017: Oncogene
https://www.readbyqxmd.com/read/28627723/vitamin-d-enhances-omega-3-polyunsaturated-fatty-acids-induced-apoptosis-in-breast-cancer-cells
#14
Jing Yang, Shenglong Zhu, Guangxiao Lin, Ci Song, Zhao He
Breast cancer is a leading type of cancer in women and generally classified into three subtypes of ER(+) /PR(+) , HER2(+) and triple negative. Both omega-3 polyunsaturated fatty acids and vitamin D3 play positive role in the reduction of breast cancer incidence. However, whether combination of omega-3 polyunsaturated fatty acids and vitamin D3 has stronger protective effect on breast carcinogenesis still remains unknown. In this study, we show that the combination of ω-3 free fatty acids (ω-3 FFAs) and 1α, 25-dihydroxy-vitamin D3 (VD3 ) dramatically enhances cell apoptosis among three subtypes of breast cancer cell lines...
June 19, 2017: Cell Biology International
https://www.readbyqxmd.com/read/28627677/integrated-analysis-of-the-potential-roles-of-mirna%C3%A2-mrna-networks-in-triple-negative-breast-cancer
#15
Huiru Zhu, Meiyu Dai, Xiaoli Chen, Xiang Chen, Shini Qin, Shengming Dai
Triple negative breast cancer (TNBC) is a type of breast cancer where the tumor cells are negative for the estrogen, progesterone and human epidermal growth factor 2 receptors. To date, expression profiling of microRNA (miRNA/miR) and mRNA sequences have been widely applied for the diagnosis of TNBC. In the present study, an integrated analysis of miRNA‑mRNA profiling arrays was performed. A total of five dysregulated miRNAs in patients with TNBC were identified, including upregulated miR‑558 expression and downregulated miR‑320d‑1, miR‑548v, miR‑99a and miR‑21 expression...
June 9, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28627138/predictors-of-brca1-2-genetic-testing-among-black-women-with-breast-cancer-a-population-based-study
#16
Tarsha Jones, Anne Marie McCarthy, Younji Kim, Katrina Armstrong
Evidence shows that Black women diagnosed with breast cancer are substantially less likely to undergo BRCA testing and other multipanel genetic testing compared to White women, despite having a higher incidence of early-age onset breast cancer and triple-negative breast cancer (TNBC). Our study identifies predictors of BRCA testing among Black women treated for breast cancer and examines differences between BRCA testers and nontesters. We conducted an analysis of 945 Black women ages 18-64 diagnosed with localized or regional-stage invasive breast cancer in Pennsylvania and Florida between 2007 and 2009...
June 19, 2017: Cancer Medicine
https://www.readbyqxmd.com/read/28626840/role-of-lactoferrin-in-the-carcinogenesis-of-triple-negative-breast-cancer
#17
Srirupa Hari Gopal, Salil K Das
No abstract text is available yet for this article.
August 2016: Journal of Cancer Clinical Trials
https://www.readbyqxmd.com/read/28626128/a-case-of-matrix-producing-carcinoma-of-the-breast
#18
Yuzuru Inoue, Fumi Joden, Kei Yabuki, Nagahiro Sato, Noritaka Minagawa, Takefumi Katsuki, Norihiro Sato, Takahisa Nagata, Kazunori Shibao, Atsuji Matsuyama, Takatoshi Aoki, Keiji Hirata
A 61-year-old woman was referred to our hospital because of a right breast mass. A 19 mm hard mass was palpable in the A area of the right breast. A contrast-enhanced MRI showed rim enhancement at the peripheral region of the tumor, which was thought to represent the carcinoma component mainly at the periphery and the matrix component inside the tumor. A low density mass with rim enhancement at the peripheral region was observed in a contrast-enhanced CT, the same as in the MRI. Neither axillary lymph node metastasis nor distant metastasis was observed...
2017: Journal of UOEH
https://www.readbyqxmd.com/read/28625363/design-synthesis-and-biological-evaluation-of-novel-indolin-2-ones-as-potent-anticancer-compounds
#19
Andong Zhou, Lei Yan, Fangfang Lai, Xiaoguang Chen, Masuo Goto, Kuo-Hsiung Lee, Zhiyan Xiao
The indolin-2-one core is a privileged structure for antitumor agents, especially kinase inhibitors. Twenty-three novel indolin-2-ones were designed by molecular dissection of the anticancer drug indirubin. Seventeen of them exhibited significant inhibition against the tested cell lines, and two of them (1c and 1h) showed IC50 values at the submicromolar level against HCT-116 cells. Compounds 1c and 2c were also potent inhibitors of the triple-negative breast cancer (TNBC) cell line MDA-MB-231. Flow cytometry was utilized to explore the antitumor mechanism of 1c and 2c with MDA-MB-231 cells, and distinct effects were observed on 2c...
June 7, 2017: Bioorganic & Medicinal Chemistry Letters
https://www.readbyqxmd.com/read/28624814/pd-l1-and-intratumoral-immune-response-in-breast-cancer
#20
Zhi-Qiang Wang, Katy Milne, Heather Derocher, John R Webb, Brad H Nelson, Peter H Watson
PURPOSE: PD-L1 is thought to play an important role in the antitumor immune response. In this study, we investigated the expression of PD-L1 within breast tumor subsets to better define its prognostic significance. METHODS: Immunohistochemistry was performed to determine PD-L1 tumor cell expression and to enumerate CD8, CD4 and CD68 tumor-infiltrating leucocytes (TIL) in a cohort of 443 breast cancers categorized by molecular subtype. RESULTS: Across the entire cohort, PD-L1 tumor cell expression was observed in 73/443 (16...
May 30, 2017: Oncotarget
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