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https://www.readbyqxmd.com/read/29758961/exploration-of-genetics-commonness-between-bladder-cancer-and-breast-cancer-based-on-a-silcio-analysis-on-disease-subtypes
#1
Wenbin Xu, Hong Xia, Wei Liu, Weiying Zheng, Lin Hua
BACKGROUND AND OBJECTIVE: Muscle-invasive bladder cancers (MIBCs) are heterogeneous cancers and can be grouped into basal-like and luminal subtypes that are highly reminiscent of those found in breast cancer. Like basal-like breast cancers, basal-like MIBCs are associated with advanced stage and metastatic disease. However, the biological and clinical significance of molecular subtypes of MIBCs remain unclear. Therefore, we implemented a serious of bioinformatics methods to explore genetic similarities between bladder and breast cancers...
April 27, 2018: Technology and Health Care: Official Journal of the European Society for Engineering and Medicine
https://www.readbyqxmd.com/read/29752822/germline-mutations-in-40-cancer-susceptibility-genes-among-chinese-patients-with-high-hereditary-risk-breast-cancer
#2
Junyan Li, Ruilin Jing, Hongyi Wei, Minghao Wang, Xiaowei Qi, Haoxi Liu, Jian Liu, Jianghua Ou, Weihua Jiang, Fuguo Tian, Yuan Sheng, Hengyu Li, Hong Xu, Ruishan Zhang, Aihua Guan, Ke Liu, Hongchuan Jiang, Yu Ren, Jianjun He, Weiwei Huang, Ning Liao, Xiangjun Cai, Jia Ming, Rui Ling, Yan Xu, Chunyan Hu, Jianguo Zhang, Baoliang Guo, Lizhi Ouyang, Ping Shuai, Zhenzhen Liu, Ling Zhong, Zhen Zeng, Ting Zhang, Zhaoling Xuan, Xuanni Tan, Junbin Liang, Qinwen Pan, Li Chen, Fan Zhang, Linjun Fan, Yi Zhang, Xinhua Yang, Jingbo Li, Chongjian Chen, Jun Jiang
Multigene panel testing of breast cancer predisposition genes have been extensively conducted in Europe and America, which is relatively rare in Asia however. In this study, we assessed the frequency of germline mutations in 40 cancer predisposition genes, including BRCA1 and BRCA2, among a large cohort of Chinese patients with high hereditary risk of BC. From 2015 to 2016, consecutive BC patients from 26 centers of China with high hereditary risk were recruited (n=937). Clinical information was collected and next-generation sequencing (NGS) was performed using blood samples of participants to identify germline mutations...
May 12, 2018: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/29720215/dependence-receptor-unc5a-restricts-luminal-to-basal-breast-cancer-plasticity-and-metastasis
#3
Maria B Padua, Poornima Bhat-Nakshatri, Manjushree Anjanappa, Mayuri S Prasad, Yangyang Hao, Xi Rao, Sheng Liu, Jun Wan, Yunlong Liu, Kyle McElyea, Max Jacobsen, George Sandusky, Sandra Althouse, Susan Perkins, Harikrishna Nakshatri
BACKGROUND: The majority of estrogen receptor-positive (ERα+ ) breast cancers respond to endocrine therapies. However, resistance to endocrine therapies is common in 30% of cases, which may be due to altered ERα signaling and/or enhanced plasticity of cancer cells leading to breast cancer subtype conversion. The mechanisms leading to enhanced plasticity of ERα-positive cancer cells are unknown. METHODS: We used short hairpin (sh)RNA and/or the CRISPR/Cas9 system to knockdown the expression of the dependence receptor UNC5A in ERα+ MCF7 and T-47D cell lines...
May 2, 2018: Breast Cancer Research: BCR
https://www.readbyqxmd.com/read/29708280/association-between-shear-wave-elastography-of-virtual-touch-tissue-imaging-quantification-parameters-and-the-ki-67-proliferation-status-in-luminal-type-breast-cancer
#4
Yubo Liu, Yini Huang, Jing Han, Jianwei Wang, Fei Li, Jianhua Zhou
OBJECTIVES: To evaluate the association between shear wave elastography parameters using virtual touch tissue imaging quantification (VTIQ) and the Ki-67 index in luminal-type breast cancer. METHODS: Eighty-one patients with 82 lesions of pathologic confirmed luminal-type breast cancer underwent virtual touch tissue imaging quantification examination before surgery between December 2015 and June 2016. Patients were divided into 2 groups according to the Ki-67 index (≥14% versus < 14%), which is used to define luminal type B and luminal type A, respectively...
April 30, 2018: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
https://www.readbyqxmd.com/read/29695913/combination-of-sirt1-and-src-overexpression-suggests-poor-prognosis-in-luminal-breast-cancer
#5
Jie Tan, Yuyin Liu, Yusufu Maimaiti, Changwen Wang, Yu Yan, Jing Zhou, Shengnan Ruan, Tao Huang
Objectives: 1) Analyze the correlation of SIRT1 and Src with human breast cancer (BC) prognosis; 2) explore the roles of SIRT1 and Src in BC cell proliferation, tumor invasion, and metastasis; and 3) analyze the correlation and interaction between SIRT1 and Src. Materials and methods: 1) Tissue microarray was used to analyze the expression of SIRT1 and Src in human BC tissues and the correlation between protein expression and cancer prognosis; 2) CCK8 assay was used to determine the influence of SIRT1 and Src inhibitors on BC cell proliferation; 3) Transwell migration assay and wound healing assay were used to determine the effect of SIRT1 and Src inhibitors on BC cell migration and invasion; and 4) Western blotting was used to analyze the correlation and interaction between SIRT1 and Src...
2018: OncoTargets and Therapy
https://www.readbyqxmd.com/read/29623575/effect-of-eribulin-on-patients-with-metastatic-breast-cancer-multicenter-retrospective-observational-study-in-taiwan
#6
Kun-Ming Rau, Fu Ou-Yang, Ta-Chung Chao, Yao-Lung Kuo, Tsui-Fen Cheng, Tsu-Yi Chao, Dar-Ren Chen, Yen-Dun Tzeng, Being-Whey Wang, Chun-Yu Liu, Ming-Hung Hu, Yin-Che Lu, Wei-Jen Ou, Chin-Ho Kuo, Chieh-Han Chuang, Jung-Yu Kan, Fang-Ming Chen, Ming-Feng Hou
PURPOSE: The aim of this study was to confirm the therapeutic role of eribulin on Taiwanese women with metastatic breast cancer. METHODS: This retrospective study examined 449 females who received eribulin between March 2014 and June 2017 at 14 hospitals in Taiwan for treatment of locally advanced or metastatic breast cancer. RESULTS: The survival rate at 24 months was 57.2% (95% CI 51.0-62.9%) and the median time to treatment failure (TTF) was 3...
April 5, 2018: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/29620140/diagnostic-and-prognostic-values-of-contrast%C3%A2-enhanced-ultrasound-combined-with-diffusion%C3%A2-weighted-magnetic-resonance-imaging-in-different-subtypes-of-breast-cancer
#7
Gui-Feng Liu, Zong-Qiang Wang, Shu-Hua Zhang, Xue-Feng Li, Lin Liu, Ying-Ying Miao, Shao-Nan Yu
The present study aimed to investigate the diagnostic and prognostic values of contrast‑enhanced ultrasound (CEUS) combined with diffusion‑weighted magnetic resonance imaging (DW‑MRI) in different subtypes of breast cancer (BC). CEUS and DW‑MRI were conducted in 232 patients with BC prior to surgical treatment. Patients were categorized as having the luminal A subtype, the luminal B subtype, triple‑negative subtype or the human epidermal growth factor receptor 2 (Her‑2)‑positive subtype according to their expression of the estrogen receptor (ER), progesterone receptor (PR) and Her‑2, as detected by immunohistochemistry...
March 27, 2018: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/29603357/current-issues-with-luminal-subtype-classification-in-terms-of-prediction-of-benefit-from-endocrine-therapy-in-early-breast-cancer
#8
REVIEW
Lutfi Alfarsi, Simon Johnston, Dong-Xu Liu, Emad Rakha, Andrew Green
Endocrine therapy for oestrogen receptor-positive (ER+) breast cancer (BC) is arguably the most successful targeted cancer therapy to date. Nevertheless, resistance to endocrine therapy still occurs in a significant proportion of patients, limiting its clinical utility. ER+ or luminal BC, which represents around three quarters of all breast malignancies, are biologically heterogeneous with no distinct, clinically defined sub-classes able to predict the benefit of endocrine therapy in early settings. To improve patient outcomes, there is a clear need for improved understanding of the biology of the luminal BC, with subsequent translation into more effective methods of diagnosis to identify potential predictive biomarkers for endocrine therapy...
March 30, 2018: Histopathology
https://www.readbyqxmd.com/read/29575839/-clinicopathological-features-of-second-primary-lung-cancer-and-pulmonary-metastasisin-patients-with-breast-cancer
#9
K W He, W Wei, Z Y Liu, X Song, P Y Zhuo, Q H Ma, Z Y Yu
Objective: To compare the clinicopathological characteristics of second primary lung cancer following breast cancer and lung metastases from breast cancer, and then to analyze the risk factors in breast cancer patients with second primary lung tumor. Methods: Clinical data of 55 breast cancer patients with second primary lung tumor and 205 breast cancer patients with solitary pulmonary metastasis in Shandong Cancer Hospital from January 2006 to January 2017 were retrospectively analyzed. The risk factors of primary lung cancer following breast cancer were analyzed using logistic regression model...
March 23, 2018: Zhonghua Zhong Liu za Zhi [Chinese Journal of Oncology]
https://www.readbyqxmd.com/read/29550255/microenvironment-mediated-mechanisms-of-resistance-to-her2-inhibitors-differ-between-her2-breast-cancer-subtypes
#10
Spencer S Watson, Mark Dane, Koei Chin, Zuzana Tatarova, Moqing Liu, Tiera Liby, Wallace Thompson, Rebecca Smith, Michel Nederlof, Elmar Bucher, David Kilburn, Matthew Whitman, Damir Sudar, Gordon B Mills, Laura M Heiser, Oliver Jonas, Joe W Gray, James E Korkola
Extrinsic signals are implicated in breast cancer resistance to HER2-targeted tyrosine kinase inhibitors (TKIs). To examine how microenvironmental signals influence resistance, we monitored TKI-treated breast cancer cell lines grown on microenvironment microarrays composed of printed extracellular matrix proteins supplemented with soluble proteins. We tested ∼2,500 combinations of 56 soluble and 46 matrix microenvironmental proteins on basal-like HER2+ (HER2E) or luminal-like HER2+ (L-HER2+) cells treated with the TKIs lapatinib or neratinib...
March 28, 2018: Cell Systems
https://www.readbyqxmd.com/read/29526548/breast-cancer-molecular-subtype-prediction-by-mammographic-radiomic-features
#11
Wenjuan Ma, Yumei Zhao, Yu Ji, Xinpeng Guo, Xiqi Jian, Peifang Liu, Shandong Wu
RATIONALE AND OBJECTIVES: This study aimed to investigate whether quantitative radiomic features extracted from digital mammogram images are associated with molecular subtypes of breast cancer. MATERIALS AND METHODS: In this institutional review board-approved retrospective study, we collected 331 Chinese women who were diagnosed with invasive breast cancer in 2015. This cohort included 29 triple-negative, 45 human epidermal growth factor receptor 2 (HER2)-enriched, 36 luminal A, and 221 luminal B lesions...
March 8, 2018: Academic Radiology
https://www.readbyqxmd.com/read/29507663/a-comprehensive-function-analysis-of-lmo2-in-different-breast-cancer-subtypes
#12
Ye Liu, Mei Yuan, Chao Wu, Tianhui Zhu, Wei Sun
Breast cancer is the most common invasive cancer in women worldwide, and can be subdivided into Luminal A, Luminal B, Her2, and Basal subtype (the PAM50 subtyping system). The lmo2 gene was traditionally recognized as a proto-oncogene in hematopoietic system but its functions in breast cancers remained largely unclear. Based on the Cancer Genome Atlas (TCGA) breast cancer dataset, herein we found that the significantly LMO2-correlated genes in normal or malignant samples were enriched in rather divergent cellular pathways, suggesting the function complexity of LMO2 in breast tissues...
February 6, 2018: Oncotarget
https://www.readbyqxmd.com/read/29480449/assessment-of-the-predictive-role-of-pretreatment-ki-67-and-ki-67-changes-in-breast-cancer-patients-receiving-neoadjuvant-chemotherapy-according-to-the-molecular-classification-a-retrospective-study-of-1010-patients
#13
Rui Chen, Yin Ye, Chengcheng Yang, Yang Peng, Beige Zong, Fanli Qu, Zhenrong Tang, Yihua Wang, Xinliang Su, Hongyuan Li, Guanglun Yang, Shengchun Liu
PURPOSE: To assess the predictive role of pretreatment ki67 and Ki67 changes in breast cancer (BC) patients treated with neoadjuvant chemotherapy (NAC) in various molecular subtypes. METHODS: 1010 BC patients who had undergone anthracycline and taxane-based NAC from January 2012 to July 2017 were retrospectively analyzed. Clinical and pathological parameters of the patients were retrieved and the predictive factors for NAC response were evaluated. RESULTS: 705 patients showed clinical response (cRes), and 131 patients acquired pathologic complete response (pCR)...
February 26, 2018: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/29422613/cx26-drives-self-renewal-in-triple-negative-breast-cancer-via-interaction-with-nanog-and-focal-adhesion-kinase
#14
Praveena S Thiagarajan, Maksim Sinyuk, Soumya M Turaga, Erin E Mulkearns-Hubert, James S Hale, Vinay Rao, Abeba Demelash, Caner Saygin, Arnab China, Tyler J Alban, Masahiro Hitomi, Luke A Torre-Healy, Alvaro G Alvarado, Awad Jarrar, Andrew Wiechert, Valery Adorno-Cruz, Paul L Fox, Benjamin C Calhoun, Jun-Lin Guan, Huiping Liu, Ofer Reizes, Justin D Lathia
Tumors adapt their phenotypes during growth and in response to therapies through dynamic changes in cellular processes. Connexin proteins enable such dynamic changes during development, and their dysregulation leads to disease states. The gap junction communication channels formed by connexins have been reported to exhibit tumor-suppressive functions, including in triple-negative breast cancer (TNBC). However, we find that connexin 26 (Cx26) is elevated in self-renewing cancer stem cells (CSCs) and is necessary and sufficient for their maintenance...
February 8, 2018: Nature Communications
https://www.readbyqxmd.com/read/29397625/-an-analysis-of-68-invasive-lobular-breast-cancer-cases-in-clinicopathological-characteristics-and-the-prognostic-determinants
#15
Q Liu, H Y Xiang, J M Ye, L Xu, H Zhang, S Zhang, X N Duan, Y H Liu
Objective: To study the clinicopathological characteristics and the prognostic determinants of the invasive lobular carcinoma breast cancer. Methods: This was a retrospective single-center study of invasive lobular breast cancer cases diagnosed from January 2008 to December 2014 at Peking University First Hospital Breast Disease Center. The study enrolled 68 invasive lobular breast cancer patients, which represented 3.64% (68/1 870) of total invasive breast cancer. The median age of all selected patients was 46 years ranging from 36 to 83 years...
February 1, 2018: Zhonghua Wai Ke za Zhi [Chinese Journal of Surgery]
https://www.readbyqxmd.com/read/29388017/systematical-analysis-of-lncrna-mrna-competing-endogenous-rna-network-in-breast-cancer-subtypes
#16
Shunheng Zhou, Lihong Wang, Qian Yang, Haizhou Liu, Qianqian Meng, Leiming Jiang, Shuyuan Wang, Wei Jiang
BACKGROUND: Breast cancer is one of the most common solid tumors in women involving multiple subtypes. However, the mechanism for subtypes of breast cancer is still complicated and unclear. Recently, several studies indicated that long non-coding RNAs (lncRNAs) could act as sponges to compete miRNAs with mRNAs, participating in various biological processes. METHODS: We concentrated on the competing interactions between lncRNAs and mRNAs in four subtypes of breast cancer (basal-like, HER2+, luminal A and luminal B), and analyzed the impacts of competing endogenous RNAs (ceRNAs) on each subtype systematically...
February 1, 2018: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/29340111/effect-of-dihydropyrimidine-dehydrogenase-single-nucleotide-polymorphisms-on-prognosis-of-breast-cancer-patients-with-chemotherapy
#17
Fengxia Qin, Huikun Zhang, Yong Huang, Limin Yang, Feng Yu, Xiaoli Liu, Li Fu, Feng Gu, Yongjie Ma
Defining biomarkers that predict therapeutic effects and adverse events is a crucial mandate to guide patient selection for personalized cancer treatments. DPD (dihydropyrimidine dehydrogenase, encoded by DPYD gene) is the initial and rate-limiting enzyme of metabolic pathway of fluoropyrimidines, and fluoropyrimidines are common used drug therapies for breast cancer. Previous studies on DPYD polymorphism were mainly focused on its association with fluoropyrimidines toxicity. In our present study, 5 DPYD single nucleotide polymorphisms status was detected from tumor tissues of 331 invasive breast cancer patients using standard techniques...
December 19, 2017: Oncotarget
https://www.readbyqxmd.com/read/29296206/indoleamine-2-3-dioxygenase-and-interleukin-6-associated-with-tumor-response-to-neoadjuvant-chemotherapy-in-breast-cancer
#18
Fangxuan Li, Lijuan Wei, Shixia Li, Juntian Liu
Purpose: Indoleamine-2,3-dioxygenase (IDO) and Interleukin-6 (IL-6) contribute to poor therapeutic effects, tumor relapse and aggressive tumor growth. IDO and IL-6 incorporate a positive feedback signal loop to maintain IDO and IL-6 constitutive expression and facilitate tumor progression. Results: IDO expression was associated with IL-6 expression and plasma IL-6 level ( P< 0.05). Concentrating on clinicopathological features prior neoadjuvant chemotherapy, both IDO expression and plasma IL-6 level were associated with clinical T stage and N stage ( P< 0...
December 8, 2017: Oncotarget
https://www.readbyqxmd.com/read/29250179/no-association-between-triple-negative-breast-cancer-and-prognosis-of-patients-receiving-breast-conserving-treatment
#19
Lan Mu, Yuxiang Liu, Meng Xiao, Weise Liu, Miao Liu, Xin Wang
The role of triple-negative breast cancer (TNBC) in breast-conserving treatment is controversial. The present study aimed at evaluating the prognosis of patients with TNBC following breast-conserving treatment (BCT) within 5 years. The present study investigated a cohort of 757 patients with early stage breast cancer, diagnosed and treated with BCT between January 2002 and March 2010 at Tianjin Medical University Cancer Institute and Hospital. The patients were divided into three groups according to receptor expression: Estrogen receptor (ER) or progesterone receptor (PR)-positive; epidermal growth factor receptor 2 (HER2)-enriched: ER and PR negative but HER2-positive; TNBC: ER, PR and HER2 receptor-negative...
December 2017: Oncology Letters
https://www.readbyqxmd.com/read/29245954/tamoxifen-sensitivity-related-microrna-342-is-a-useful-biomarker-for-breast-cancer-survival
#20
Jessica Young, Tsutomu Kawaguchi, Li Yan, Qianya Qi, Song Liu, Kazuaki Takabe
MicroRNAs (miRNAs) have emerged as one of the crucial regulators of cancer progression. Some miRNAs are reported to be related to the response of breast cancer to tamoxifen (TAM). In this study, we investigated whether the levels of TAM response-related miRNAs translate to patient survival. The Cancer Genome Atlas (TCGA) and Gene Expression Omnibus (GEO) datasets were used and Gene Set Enrichment Analysis (GSEA) was performed. Four TAM response-related miRNAs, miR-221, miR-222, miR-342, and miR-451, were identified by literature search...
November 21, 2017: Oncotarget
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