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Luminal a breast cancer liu

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https://www.readbyqxmd.com/read/28802057/hmgb1-released-by-autophagic-cancer-associated-fibroblasts-maintains-the-stemness-of-luminal-breast-cancer-cells
#1
Xi-Long Zhao, Yong Lin, Jun Jiang, Zhuo Tang, Shuai Yang, Lu Lu, Yan Liang, Xue Liu, Jiao Tan, Xu-Gang Hu, Qin Niu, Wen-Juan Fu, Ze-Xuan Yan, De-Yu Guo, Yi-Fang Ping, Ji Ming Wang, Xia Zhang, Hsiang-Fu Kung, Xiu-Wu Bian, Xiao-Hong Yao
Cancer stem/initiating cells (CSCs/CICs) and their microenvironmental niche play a vital role in malignant tumour recurrence and metastasis. Cancer associated fibroblasts (CAFs) are major components of the niche of breast cancer initiating cells (BCICs) and their interactions may profoundly affect breast cancer progression. Autophagy has been considered as a critical process for CIC maintenance, but whether it is involved in the cross-talk between CAFs and CICs to affect tumourigenesis and pathological significance remains elusive...
August 12, 2017: Journal of Pathology
https://www.readbyqxmd.com/read/28795272/pet-imaging-on-dynamic-metabolic-changes-after-combination-therapy-of-paclitaxel-and-the-traditional-chinese-medicine-in-breast-cancer-bearing-mice
#2
Yao Chen, Ling Wang, Hao Liu, Fahuan Song, Caiyun Xu, Kai Zhang, Qing Chen, Shuang Wu, Yunqi Zhu, Ying Dong, Min Zhou, Hong Zhang, Mei Tian
PURPOSE: The aim of the study was to non-invasively evaluate the anticancer activity of a traditional Chinese medicine-Huaier, combined with paclitaxel (PTX) in breast cancer bearing mice by detecting dynamic metabolic changes with positron emission tomography (PET). PROCEDURES: Balb/c nude mice were randomly divided into one of the four groups: Huaier, PTX, PTX + Huaier, or the control. PET imaging with 2-deoxy-2-[(18)F]fluoro-D-glucose ([(18)F]FDG) was performed to monitor the metabolic changes in BT474 (luminal B) and MDA-MB-231 (triple-negative) breast cancer xenografts...
August 9, 2017: Molecular Imaging and Biology: MIB: the Official Publication of the Academy of Molecular Imaging
https://www.readbyqxmd.com/read/28776547/a-retrospective-survival-analysis-of-anatomic-and-prognostic-stage-group-based-on-the-american-joint-committee-on-cancer-8th-edition-cancer-staging-manual-in-luminal-b-human-epidermal-growth-factor-receptor-2-negative-breast-cancer
#3
Ling Xu, Jiang-Hong Li, Jing-Ming Ye, Xue-Ning Duan, Yuan-Jia Cheng, Ling Xin, Qian Liu, Bin Zhou, Yin-Hua Liu
BACKGROUND: Current understanding of tumor biology suggests that breast cancer is a group of diseases with different intrinsic molecular subtypes. Anatomic staging system alone is insufficient to provide future outcome information. The American Joint Committee on Cancer (AJCC) expert panel updated the 8th edition of the staging manual with prognostic stage groups by incorporating biomarkers into the anatomic stage groups. In this study, we retrospectively analyzed the data from our center in China using the anatomic and prognostic staging system based on the AJCC 8th edition staging manual...
August 20, 2017: Chinese Medical Journal
https://www.readbyqxmd.com/read/28764784/e-cadherin-expression-phenotypes-associated-with-molecular-subtypes-in-invasive-non-lobular-breast-cancer-evidence-from-a-retrospective-study-and-meta-analysis
#4
Jiang-Bo Liu, Chen-Yi Feng, Miao Deng, Dong-Feng Ge, De-Chun Liu, Jian-Qiang Mi, Xiao-Shan Feng
BACKGROUND: This retrospective study and meta-analysis was designed to explore the relationship between E-cadherin (E-cad) expression and the molecular subtypes of invasive non-lobular breast cancer, especially in early-stage invasive ductal carcinoma (IDC). METHODS: A total of 156 post-operative cases of early-stage IDCs were retrospectively collected for the immunohistochemistry (IHC) detection of E-cad expression. The association of E-cad expression with molecular subtypes of early-stage IDCs was analyzed...
August 1, 2017: World Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28756535/foxa1-hypermethylation-link-between-parity-and-er-negative-breast-cancer-in-african-american-women
#5
Allyson C Espinal, Matthew F Buas, Dan Wang, David Ting-Yuan Cheng, Lara Sucheston-Campbell, Qiang Hu, Li Yan, Rochelle Payne-Ondracek, Eduardo Cortes, Li Tang, Zhihong Gong, Gary Zirpoli, Thaer Khoury, Song Yao, Angela Omilian, Kitaw Demissie, Elisa V Bandera, Song Liu, Christine B Ambrosone, Michael J Higgins
BACKGROUND: Reproductive factors, particularly parity, have differential effects on breast cancer risk according to estrogen receptor (ER) status, especially among African American (AA) women. One mechanism could be through DNA methylation, leading to altered expression levels of genes important in cell fate decisions. METHODS: Using the Illumina 450K BeadChip, we compared DNA methylation levels in paraffin-archived tumor samples from 383 AA and 350 European American (EA) women in the Women's Circle of Health Study (WCHS)...
July 29, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28739751/the-clinicopathological-factors-associated-with-disease-progression-in-luminal-a-breast-cancer-and-characteristics-of-metastasis-a-retrospective-study-from-a-single-center-in-china
#6
Jingming Ye, Wenjun Wang, Ling Xin, Sioned Owen, Ling Xu, Xuening Duan, Yuanjia Cheng, Hong Zhang, Shuang Zhang, Ting Li, Yinhua Liu
BACKGROUND/AIM: This study investigated the clinicopathological factors associated with outcomes in patients with Luminal A breast cancer. PATIENTS AND METHODS: Retrospective analysis of the association of clinicopathological factors and breast cancer outcome in 421 patients with newly-diagnosed Luminal-A breast cancer that were enrolled from January 2008 to December 2014. Clinicopathological data were analyzed to validate the relationship with disease-free survival (DFS) and overall survival (OS)...
August 2017: Anticancer Research
https://www.readbyqxmd.com/read/28673085/large-scale-analysis-of-breast-cancer-related-conformational-changes-in-proteins-using-silac-sprox
#7
Fang Liu, He Meng, Michael C Fitzgerald
Proteomic methods for disease state characterization and biomarker discovery have traditionally utilized quantitative mass spectrometry methods to identify proteins with altered expression levels in disease states. Here we report on the large-scale use of protein folding stability measurements to characterize different subtypes of breast cancer using the stable isotope labeling with amino acids in cell culture and stability of proteins from rates of oxidation (SILAC-SPROX) technique. Protein folding stability differences were studied in a comparison of two luminal breast cancer subtypes, luminal-A and -B (i...
July 27, 2017: Journal of Proteome Research
https://www.readbyqxmd.com/read/28622693/release-of-her2-repression-of-trefoil-factor-3-tff3-expression-mediates-trastuzumab-resistance-in-her2-er-mammary-carcinoma
#8
Qing-Yun Chong, Ming-Liang You, Vijay Pandey, Arindam Banerjee, Yi-Jun Chen, Han-Ming Poh, Mengyi Zhang, Lan Ma, Tao Zhu, Basappa, Liang Liu, Peter E Lobie
HER2+/ER+ breast cancer, a subset of the luminal B subtype, makes up approximately 10% of all breast cancers. The bidirectional crosstalk between HER2 and estrogen receptor (ER) in HER2+/ER+ breast cancer contributes to resistance towards both anti-estrogens and HER2-targeted therapies. TFF3 promotes breast cancer progression and has been implicated in anti-estrogen resistance in breast cancer. Herein, we investigated the cross-regulation between HER2 and estrogen-responsive TFF3, and the role of TFF3 in mediating trastuzumab resistance in HER2+/ER+ breast cancer...
June 9, 2017: Oncotarget
https://www.readbyqxmd.com/read/28592128/association-of-nuclear-foxp3-expression-with-low-ki67-index-and-better-prognosis-in-patients-with-breast-invasive-ductal-carcinoma
#9
J Li, X Zhang, L Zheng, Y Liu
Recent studies have provided clear evidence that some types of human cancer cells expressed Forkhead Box Protein 3 (FOXP3). However, the presence and role of FOXP3 in breast cancer are still contradictory up to now. In this study, we detected the expression of FOXP3 protein by immunohistochemistry in 123 cases of breast invasive ductal carcinoma. It exhibited that the subcellular localization of FOXP3 expression in breast cancer cells is heterogeneous. In nucleus, FOXP3 expression ratio was 47.97% (59/123) and the nuclear FOXP3 expression was significantly associated with lower Ki67 index (P=0...
June 8, 2017: Neoplasma
https://www.readbyqxmd.com/read/28592099/-study-of-the-association-between-polymorphism-of-persistent-obesity-human-leptin-gene-leptin-receptor-gene-and-molecular-subtypes-of-breast-cancer
#10
X L Yuan, Z P Xu, C R Liu, L P Yan, P Tao, P Xiong, Q Li, M Zhou, H Li, M Zhao, J Y Li
Objectives: To explore the association between the polymorphism of persistent obesity and genetic variations in the LEP (human leptin gene, LEP) and LEPR (leptin receptor gene, LEPR) genes and different molecular subtypes of breast cancer. Methods: All 703 female patients of breast cancer diagnosed by histopathology in the Sichuan Cancer Hospital or the West China Hospital, excluding patients with metastatic breast cancer or mental disease, were selected as cases from April 2014 to May 2015. At the same time, 805 healthy women received physical examination in medical examination center of Sichuan People Hospital or Shuangliu maternal and child health care hospital, excluding those with therioma, breast disease, and mental disease, were enrolled in control group...
June 6, 2017: Zhonghua Yu Fang Yi Xue za Zhi [Chinese Journal of Preventive Medicine]
https://www.readbyqxmd.com/read/28579430/cry2-is-suppressed-by-foxm1-mediated-promoter-hypermethylation-in-breast-cancer
#11
Lingling Liu, Hong Shen, Yang Wang
Loss of CRY2 confers aggressive phenotypes to breast cancer. However, the mechanism of its downregulation and its prognostic value in breast cancer are still not clear. Our data mining in TCGA breast cancer cohort (TCGA-BRCA) showed that the luminal A subtype of breast cancer had the highest CRY2 expression, while the basal-like subtype had the lowest CRY2 expression. The ER+ group had significantly higher CRY2 expression than the ER- group. Demethylation treatment using 5-AZA-dC significantly restored CRY2 expression in MDA-MB-231 and BT549 cells...
June 2, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28550675/-prognostic-value-of-sequencing-of-radiotherapy-and-chemotherapy-following-breast-conserving-surgery-for-patients-with-breast-cancer
#12
Q Z Zhong, Z Wang, Y Tang, Q L Rong, S L Wang, J Jin, W H Wang, Y P Liu, Y W Song, H Fang, B Chen, S N Qi, N Li, Y Tang, J H Zhang, Y X Li
Objective: To evaluate the prognostic value of sequencing of adjuvant radiotherapy and chemotherapy following breast-conserving surgery for patients with breast cancer. Methods: A total of 1 154 patients withT1-2N0-3M0 breast cancer retrospectively reviewed. All patients received sequential radiotherapy and chemotherapy following breast-conserving surgery. Among them, 603 patients received radiotherapy first and 551 patients received chemotherapy first. Log-rank tests were used to determine significance of disease-free survival (DFS) and overall survival (OS) rates in the Kaplan-Meier curve...
April 23, 2017: Zhonghua Zhong Liu za Zhi [Chinese Journal of Oncology]
https://www.readbyqxmd.com/read/28477021/transgenic-overexpression-of-nanogp8-in-the-mouse-prostate-is-insufficient-to-initiate-tumorigenesis-but-weakly-promotes-tumor-development-in-the-hi-myc-mouse-model
#13
Bigang Liu, Shuai Gong, Qiuhui Li, Xin Chen, John Moore, Mahipal V Suraneni, Mark D Badeaux, Collene R Jeter, Jianjun Shen, Rashid Mehmood, Qingxia Fan, Dean G Tang
This project was undertaken to address a critical cancer biology question: Is overexpression of the pluripotency molecule Nanog sufficient to initiate tumor development in a somatic tissue? Nanog1 is critical for the self-renewal and pluripotency of ES cells, and its retrotransposed homolog, NanogP8 is preferentially expressed in somatic cancer cells. Our work has shown that shRNA-mediated knockdown of NanogP8 in prostate, breast, and colon cancer cells inhibits tumor regeneration whereas inducible overexpression of NanogP8 promotes cancer stem cell phenotypes and properties...
April 18, 2017: Oncotarget
https://www.readbyqxmd.com/read/28472234/comparison-of-breast-cancer-molecular-features-and-survival-by-african-and-european-ancestry-in-the-cancer-genome-atlas
#14
Dezheng Huo, Hai Hu, Suhn K Rhie, Eric R Gamazon, Andrew D Cherniack, Jianfang Liu, Toshio F Yoshimatsu, Jason J Pitt, Katherine A Hoadley, Melissa Troester, Yuanbin Ru, Tara Lichtenberg, Lori A Sturtz, Carl S Shelley, Christopher C Benz, Gordon B Mills, Peter W Laird, Craig D Shriver, Charles M Perou, Olufunmilayo I Olopade
Importance: African Americans have the highest breast cancer mortality rate. Although racial difference in the distribution of intrinsic subtypes of breast cancer is known, it is unclear if there are other inherent genomic differences that contribute to the survival disparities. Objectives: To investigate racial differences in breast cancer molecular features and survival and to estimate the heritability of breast cancer subtypes. Design, Setting, and Participants: Among a convenience cohort of patients with invasive breast cancer, breast tumor and matched normal tissue sample data (as of September 18, 2015) were obtained from The Cancer Genome Atlas...
May 4, 2017: JAMA Oncology
https://www.readbyqxmd.com/read/28464591/-analysis-of-the-effect-of-menopausal-status-and-molecular-subtype-on-survivals-among-breast-cancer-patients
#15
T T Zuo, H M Zeng, R S Zheng, L Yang, H C Li, S Liu, C F Xia, W Q Chen
Objective: To analyze the associations between molecular subtypes and overall breast cancer survival among premenopausal and postmenopausal breast cancer in Beijing, and to provide basic information for breast cancer clinical researches and control. Methods: All the resident patients diagnosed with breast cancer in four well-established hospitals were retrieved from Beijing cancer registry, related information, such as TNM stages, receptor status, histological grade, height, weight, were collected by case extraction...
May 6, 2017: Zhonghua Yu Fang Yi Xue za Zhi [Chinese Journal of Preventive Medicine]
https://www.readbyqxmd.com/read/28454081/expression-characteristic-of-cxcr1-in-different-breast-tissues-and-the-relevance-between-its-expression-and-efficacy-of-neo-adjuvant-chemotherapy-in-breast-cancer
#16
Miao-Qun Xue, Jun Liu, Jian-Feng Sang, Lei Su, Yong-Zhong Yao
OBJECTIVE: To investigate chemokine receptor CXCR1 expression characteristic in different breast tissues and analyze the relationship between CXCR1 expression changes in breast cancer tissue and efficacy of neo-adjuvant chemotherapy. RESULTS: Chemokine receptor CXCR1 was lowly expressed in normal breast tissues and breast fibroadenoma, but highly expressed in breast cancer. It was significantly correlated with pathological stage, tumor cell differentiation, and lymph node metastasis (P < 0...
July 25, 2017: Oncotarget
https://www.readbyqxmd.com/read/28430642/immunocompetent-mouse-allograft-models-for-development-of-therapies-to-target-breast-cancer-metastasis
#17
Yuan Yang, Howard H Yang, Ying Hu, Peter H Watson, Huaitian Liu, Thomas R Geiger, Miriam R Anver, Diana C Haines, Philip Martin, Jeffrey E Green, Maxwell P Lee, Kent W Hunter, Lalage M Wakefield
Effective drug development to combat metastatic disease in breast cancer would be aided by the availability of well-characterized preclinical animal models that (a) metastasize with high efficiency, (b) metastasize in a reasonable time-frame, (c) have an intact immune system, and (d) capture some of the heterogeneity of the human disease. To address these issues, we have assembled a panel of twelve mouse mammary cancer cell lines that can metastasize efficiently on implantation into syngeneic immunocompetent hosts...
May 9, 2017: Oncotarget
https://www.readbyqxmd.com/read/28408616/association-study-confirmed-three-breast-cancer-specific-molecular-subtype-associated-susceptibility-loci-in-chinese-han-women
#18
Yihui Xu, Mengyun Chen, Chenchen Liu, Xiaowei Zhang, Wei Li, Huaidong Cheng, Jun Zhu, Mingjun Zhang, Zhendong Chen, Bo Zhang
BACKGROUND: Breast cancer is a heterogeneous and polygenic disease that can be divided into different molecular subtypes based on histological and genomic features. To date, numerous susceptibility loci of breast cancer have been discovered by genome-wide association studies and may expand the genetic features. However, few loci have been further studied according to molecular subtypes. MATERIALS AND METHODS: We genotyped 23 recently discovered single nucleotide polymorphisms using the Sequenom iPLEX platform in a female Chinese cohort of 3,036 breast cancer patients (2,935 samples matched molecular subtypes) and 3,036 healthy controls...
August 2017: Oncologist
https://www.readbyqxmd.com/read/28387904/study-on-correlation-between-pkib-and-pakt-expression-in-breast-cancer-tissues
#19
J-B Zhang, W Song, Y-Y Wang, M-G Liu, M-M Sun, H Liu
OBJECTIVE: This study is to explore the expression of cyclic AMP (cAMP) dependent protein kinase inhibitor (PKIB) in human breast cancer and the correlation with phosphorylated protein kinase B (pAkt) expression in the tumor tissues. MATERIALS AND METHODS: Surgical removal of the tissue samples from 148 patients with primary breast cancer from 2011-2015 were selected, and then we detected the PKIB, estrogen receptor (ER), progesterone receptor (PR) and proto oncogene (HER2) by using immunohistochemical technique and the Allred score classification standard...
March 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28365335/competing-risks-of-mortality-by-pam50-intrinsic-subtype-of-british-columbia-tamoxifen-treated-cohort-of-postmenopausal-patients-with-breast-cancer
#20
Judith-Anne W Chapman, Shuzhen Liu, Samuel Leung, Torsten O Nielsen
BACKGROUND: PAM50 intrinsic subtypes have been shown to affect breast cancer prognosis. METHODS: A British Columbia cohort of 718 postmenopausal women treated with tamoxifen, without chemotherapy, had tumors intrinsically subtyped (luminal A, luminal B, basal, HER2) and centrally reviewed by immunohistochemistry (IHC) for estrogen and progesterone receptor (ER and PgR). We tested whether intrinsic subtype and other patient and tumor characteristics were associated with type of death...
January 20, 2017: Clinical Breast Cancer
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