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Hester A, Henze F, Debes AM, Schubert CL, Koenig A, Harbeck N, Wuerstlein R. What are the needs in oral antitumor therapy? An analysis of patients' and practitioners' preferences. Front Oncol 2024; 14:1388087. [PMID: 38993635 PMCID: PMC11236681 DOI: 10.3389/fonc.2024.1388087] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2024] [Accepted: 04/29/2024] [Indexed: 07/13/2024] Open
Abstract
Background Since the European approval of CDK4/6 inhibitors in 2016, the treatment of patients with hormone-receptor-positive, HER2-negative metastatic breast cancer has changed significantly. Compared with chemotherapy, endocrine-based therapy has different treatment regimens and is associated with new side effects. Oral therapy aims for optimal drug efficacy and long treatment times while maintaining maximum independence and quality of life resulting in the conservation of medical staff resources. Methods A monocentric analysis of therapy preferences of practitioners (25 nurses and physicians) and patients (11 on endocrine monotherapy, 17 on endocrine-based therapy, and 14 on intravenous chemotherapy) was performed using specific questionnaires. Preferences were assessed using a four-point Likert scale or bidirectional response options. Results All patients were highly supportive of oral therapy (mean agreement score on the Likert scale 1.3, p < 0.001 vs. all other options) and a consultation interval of 4 weeks (2.0, p = 0.015 vs. 3 weeks). Practitioners also preferred oral therapy (1.4) and visits every 4 weeks (1.6). In general, patients on oral therapies reported higher compatibility of their therapy with daily life than patients on chemotherapy (1.6 and 1.7 vs. 2.6, p = 0.006). Outpatient oncology is the main source of information for all patients, mainly in case of side effects (2.0) and open questions (1.8). Regarding oral antitumor therapy regimens, patients do not show a significant preference for a specific regimen, while practitioners prefer a continuous regimen (1.6) over a 21/7 regimen (21 days on and 7 days off therapy, 2.5). Patients are likely to accept mild side effects (e.g., neutropenia, diarrhea, polyneuropathy, fatigue) and would still adhere to their initial choice of regimen (continuous or 21/7). Only when side effects occur with a severity of CTCAE grade 3 do patients prefer the regimen in which the side effects occur for a shorter period of time. Conclusion Patients and practitioners prefer oral antitumor therapy-both continuous and 21/7 regimens-over other application forms. Patient education and proper therapy management, supported by additional tools, contribute to the specific management of side effects and high adherence. This allows quality of life to be maintained during long-term therapy with CDK4/6 inhibitors in patients with metastatic breast cancer.
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Affiliation(s)
- Anna Hester
- Department of Obstetrics and Gynecology, Breast Center and Comprehensive Cancer Center (CCC) Munich, University Hospital, LMU Munich, Munich, Germany
| | - Franziska Henze
- Department of Obstetrics and Gynecology, Breast Center and Comprehensive Cancer Center (CCC) Munich, University Hospital, LMU Munich, Munich, Germany
| | - Anna Marie Debes
- Department of Obstetrics and Gynecology, Breast Center and Comprehensive Cancer Center (CCC) Munich, University Hospital, LMU Munich, Munich, Germany
| | - Charlotte Leonie Schubert
- Department of Obstetrics and Gynecology, Breast Center and Comprehensive Cancer Center (CCC) Munich, University Hospital, LMU Munich, Munich, Germany
| | - Alexander Koenig
- Department of Obstetrics and Gynecology, Breast Center and Comprehensive Cancer Center (CCC) Munich, University Hospital, LMU Munich, Munich, Germany
| | - Nadia Harbeck
- Department of Obstetrics and Gynecology, Breast Center and Comprehensive Cancer Center (CCC) Munich, University Hospital, LMU Munich, Munich, Germany
| | - Rachel Wuerstlein
- Department of Obstetrics and Gynecology, Breast Center and Comprehensive Cancer Center (CCC) Munich, University Hospital, LMU Munich, Munich, Germany
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Yu Z, Xue D, Song M, Xu A, He Q, Li H, Ouyang W, Chouchane L, Ma X. Targeting UBR5 inhibits postsurgical breast cancer lung metastases by inducing CDC73 and p53 mediated apoptosis. Int J Cancer 2024; 154:723-737. [PMID: 37855385 PMCID: PMC10841427 DOI: 10.1002/ijc.34769] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2023] [Revised: 08/16/2023] [Accepted: 09/28/2023] [Indexed: 10/20/2023]
Abstract
UBR5 is a HECT domain E3 ubiquitin ligase that is frequently amplified in breast, ovarian and prostate cancers. Heightened UBR5 expression plays a profound role in tumor growth through immune-dependent mechanisms; however, its mode of action in driving tumor metastasis has not been definitively delineated. Herein, we used a tetracycline (Tet)-inducible RNAi-mediated expression silencing cell system to investigate how UBR5 enables postsurgical mammary tumor metastatic growth in mouse lungs without the continuous influence of the primary lesion. In vitro, Ubr5 knockdown induces morphological and molecular changes characteristic of epithelial-mesenchymal transition (EMT). In vivo, UBR5 promotes lung metastasis in an E3 ubiquitin ligase-dependent manner. Moreover, doxycycline-induced UBR5 expression knockdown in metastatic cells in the lungs, following removing the primary tumors, resulted in increased apoptosis, decreased proliferation and prolonged survival, whereas silencing the expression of cell division cycle 73 (CDC73), a tumor suppressor and E3 ligase substrate of UBR5, reversed these effects. Transcriptome analyses revealed a prominent role of the p53 pathway in dovitinib-induced apoptosis of tumor cells differentially regulated by UBR5 and CDC73. In human triple-negative breast cancer (TNBC) patient specimens, a strong inverse correlation was observed between UBR5 and CDC73 protein levels, with reduced CDC73 expression at metastatic sites compared to primary lesions. Furthermore, a xenograft model of human TNBC recapitulated the metastatic properties and characteristics of the unique UBR5-CDC73 functional antagonism. This study reveals the novel and critical roles and intricate relationships of UBR5, CDC73 and p53 in postsurgical breast cancer metastasis and indicates the potential of targeting this pathway in cancer therapy.
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Affiliation(s)
- Ziqi Yu
- Department of Anesthesiology, Third Xiangya Hospital, Central South University, Changsha, Hunan, 410013, PR China
- Department of Microbiology and Immunology, Weill Cornell Medicine, 1300 York Avenue, New York, NY 10065, USA
| | - Dong Xue
- Department of Surgery, Laboratory of Bioregenerative Medicine & Surgery, Division of Plastic Surgery, Weill Cornell Medical College, 1300 York Avenue, New York, NY 10065, USA
| | - Mei Song
- Institute of Precision Medicine, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
| | - Aizhang Xu
- Department of Microbiology and Immunology, Weill Cornell Medicine, 1300 York Avenue, New York, NY 10065, USA
| | - Qing He
- Department of Structural Biology, Van Andel Institute, 333 Bostwick Ave NE, Grand Rapids, MI 49503, USA
| | - Huilin Li
- Department of Structural Biology, Van Andel Institute, 333 Bostwick Ave NE, Grand Rapids, MI 49503, USA
| | - Wen Ouyang
- Department of Anesthesiology, Third Xiangya Hospital, Central South University, Changsha, Hunan, 410013, PR China
| | - Lotfi Chouchane
- Department of Genetic Medicine, Weill Cornell Medicine-Qatar, Qatar Foundation, P.O. Box 24144, Doha, Qatar
| | - Xiaojing Ma
- Department of Microbiology and Immunology, Weill Cornell Medicine, 1300 York Avenue, New York, NY 10065, USA
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Zhu Y, Luo J, Yang Y. Integrated Bioinformatics Analysis to Identify a Novel Four-Gene Prognostic Model of Breast Cancer and Reveal Its Association with Immune Infiltration. Crit Rev Immunol 2024; 44:1-14. [PMID: 38305332 DOI: 10.1615/critrevimmunol.2023050829] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2024]
Abstract
Liquid-liquid phase separation (LLPS) impact immune signaling in cancer and related genes have shown prognostic value in breast cancer (BRCA). However, the crosstalk between LLPS and immune infiltration in BRCA remain unclear. Therefore, we aimed to develop a novel prognostic model of BRCA related to LLPS and immune infiltration. BRCA-related, liquid-liquid phase separation (LLPS)-related genes, and differentially expressed genes (DEGs) were identified using public databases. Mutation and drug sensitivity analyses were performed using Gene Set Cancer Analysis database. Univariate cox regression and LASSO Cox regression were used for the construction and verification of prognostic model. Kaplan-Meier analysis was performed to evaluate overall survival (OS). Gene set variation analysis was conducted to analyze key pathways. CIBERSORT was used to assess immune infiltration and its correlation with prognostic genes was determined through Pearson analysis. A total of 6056 BRCA-associated genes, 3775 LLPS-associated genes, and 4049 DEGs, resulting in 314 overlapping genes. Twenty-eight prognostic genes were screened, and some of them were mutational and related to drug sensitivity Subsequently, a prognostic model comprising L1CAM, EVL, FABP7, and CST1 was built. Patients in high-risk group had shorter OS than those in low-risk group. The infiltrating levels of CD8+ T cells, macrophages M0, macrophages M2, dendritic cells activated, and mast cells resting was altered in high-risk group of breast cancer patients compared to low-risk group. L1CAM, EVL, FABP7, and CST1 were related to these infiltrating immune cells. L1CAM, EVL, FABP7, and CST1 were potential diagnostic biomarkers and therapeutic targets for BRCA.
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Affiliation(s)
- Yunhua Zhu
- Department of Thyroid Mammary Surgery, Linping Campus, The Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou 311100, China
| | - Junjie Luo
- Department of Thyroid Mammary Surgery, Linping Campus, The Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou 311100, China
| | - Yifei Yang
- Department of Thyroid Mammary Surgery, Linping Campus, The Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou 311100, China
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Anabel Sinberger L, Zahavi T, Sonnenblick A, Salmon-Divon M. Coexistent ARID1A-PIK3CA mutations are associated with immune-related pathways in luminal breast cancer. Sci Rep 2023; 13:20911. [PMID: 38017109 PMCID: PMC10684499 DOI: 10.1038/s41598-023-48002-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2023] [Accepted: 11/21/2023] [Indexed: 11/30/2023] Open
Abstract
Up to 40% of luminal breast cancer patients carry activating mutations in the PIK3CA gene. PIK3CA mutations commonly co-occur with other mutations, but the implication of this co-occurrence may vary according to the specific genes involved. Here, we characterized a subgroup of luminal breast cancer expressing co-mutations in ARID1A and PIK3CA genes and identified their effect on important signaling pathways. Our study included 2609 primary breast cancer samples from the TCGA and METABRIC datasets that were classified based on tumor subtype and the existence of mutations in PIK3CA and ARID1A genes. Differential expression and WGCNA analyses were performed to detect molecular modules affected by the existence of the mutations. Our results reveal various evidence for the involvement of immune-related pathways in luminal tumors harboring ARID1A and PIK3CA mutations, as well as a unique Tumor-infiltrated immune cells composition. We also identified seven key hub genes in the ARID1A-PIK3CA mutated tumors associated with immune-related pathways: CTLA4, PRF1, LCK, CD3E, CD247, ZAP70, and LCP2. Collectively, these results indicate an immune system function that may contribute to tumor survival. Our data induced a hypothesis that ARID1A and PIK3CA mutations' co-occurrence might predict responses to immunotherapy in luminal BC and, if validated, could guide immunotherapy development.
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Affiliation(s)
| | - Tamar Zahavi
- Department of Molecular Biology, Ariel University, Ariel, Israel
| | - Amir Sonnenblick
- Institute of Oncology, Tel Aviv Sourasky Medical Center, Tel Aviv, Israel.
- Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel.
| | - Mali Salmon-Divon
- Department of Molecular Biology, Ariel University, Ariel, Israel.
- Adelson School of Medicine, Ariel University, Ariel, Israel.
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Singla RK, Wang X, Gundamaraju R, Joon S, Tsagkaris C, Behzad S, Khan J, Gautam R, Goyal R, Rakmai J, Dubey AK, Simal-Gandara J, Shen B. Natural products derived from medicinal plants and microbes might act as a game-changer in breast cancer: a comprehensive review of preclinical and clinical studies. Crit Rev Food Sci Nutr 2023; 63:11880-11924. [PMID: 35838143 DOI: 10.1080/10408398.2022.2097196] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Breast cancer (BC) is the most prevalent neoplasm among women. Genetic and environmental factors lead to BC development and on this basis, several preventive - screening and therapeutic interventions have been developed. Hormones, both in the form of endogenous hormonal signaling or hormonal contraceptives, play an important role in BC pathogenesis and progression. On top of these, breast microbiota includes both species with an immunomodulatory activity enhancing the host's response against cancer cells and species producing proinflammatory cytokines associated with BC development. Identification of novel multitargeted therapeutic agents with poly-pharmacological potential is a dire need to combat advanced and metastatic BC. A growing body of research has emphasized the potential of natural compounds derived from medicinal plants and microbial species as complementary BC treatment regimens, including dietary supplements and probiotics. In particular, extracts from plants such as Artemisia monosperma Delile, Origanum dayi Post, Urtica membranacea Poir. ex Savigny, Krameria lappacea (Dombey) Burdet & B.B. Simpson and metabolites extracted from microbes such as Deinococcus radiodurans and Streptomycetes strains as well as probiotics like Bacillus coagulans and Lactobacillus brevis MK05 have exhibited antitumor effects in the form of antiproliferative and cytotoxic activity, increase in tumors' chemosensitivity, antioxidant activity and modulation of BC - associated molecular pathways. Further, bioactive compounds like 3,3'-diindolylmethane, epigallocatechin gallate, genistein, rutin, resveratrol, lycopene, sulforaphane, silibinin, rosmarinic acid, and shikonin are of special interest for the researchers and clinicians because these natural agents have multimodal action and act via multiple ways in managing the BC and most of these agents are regularly available in our food and fruit diets. Evidence from clinical trials suggests that such products had major potential in enhancing the effectiveness of conventional antitumor agents and decreasing their side effects. We here provide a comprehensive review of the therapeutic effects and mechanistic underpinnings of medicinal plants and microbial metabolites in BC management. The future perspectives on the translation of these findings to the personalized treatment of BC are provided and discussed.
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Affiliation(s)
- Rajeev K Singla
- Institutes for Systems Genetics, Frontiers Science Center for Disease-related Molecular Network, West China Hospital, Sichuan University, Chengdu, Sichuan, China
- iGlobal Research and Publishing Foundation, New Delhi, India
| | - Xiaoyan Wang
- Department of Pathology, Clinical Medical College and the First Affiliated Hospital of Chengdu Medical College, Chengdu, Sichuan, China
| | - Rohit Gundamaraju
- ER Stress and Mucosal Immunology Lab, School of Health Sciences, College of Health and Medicine, University of Tasmania, Launceston, Tasmania, Australia
| | - Shikha Joon
- Institutes for Systems Genetics, Frontiers Science Center for Disease-related Molecular Network, West China Hospital, Sichuan University, Chengdu, Sichuan, China
- iGlobal Research and Publishing Foundation, New Delhi, India
| | | | - Sahar Behzad
- Evidence-based Phytotherapy and Complementary Medicine Research Center, Alborz University of Medical Sciences, Karaj, Iran
- Department of Pharmacognosy, School of Pharmacy, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Johra Khan
- Department of Medical Laboratory Sciences, College of Applied Medical Sciences, Majmaah University, Al Majmaah, Saudi Arabia
- Health and Basic Sciences Research Center, Majmaah University, Majmaah, Saudi Arabia
| | - Rupesh Gautam
- Department of Pharmacology, MM School of Pharmacy, MM University, Sadopur, Haryana, India
| | - Rajat Goyal
- Department of Pharmacology, MM School of Pharmacy, MM University, Sadopur, Haryana, India
| | - Jaruporn Rakmai
- Kasetsart Agricultural and Agro-Industrial Product Improvement Institute (KAPI), Kasetsart University, Bangkok, Thailand
| | | | - Jesus Simal-Gandara
- Nutrition and Bromatology Group, Department of Analytical Chemistry and Food Science, Faculty of Science, Universidade de Vigo, Ourense, Spain
| | - Bairong Shen
- Institutes for Systems Genetics, Frontiers Science Center for Disease-related Molecular Network, West China Hospital, Sichuan University, Chengdu, Sichuan, China
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Ibragimova MK, Tsyganov MM, Kravtsova EA, Tsydenova IA, Litviakov NV. Organ-Specificity of Breast Cancer Metastasis. Int J Mol Sci 2023; 24:15625. [PMID: 37958607 PMCID: PMC10650169 DOI: 10.3390/ijms242115625] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2023] [Revised: 10/20/2023] [Accepted: 10/23/2023] [Indexed: 11/15/2023] Open
Abstract
Breast cancer (BC) remains one of the most common malignancies among women worldwide. Breast cancer shows metastatic heterogeneity with priority to different organs, which leads to differences in prognosis and response to therapy among patients. The main targets for metastasis in BC are the bone, lung, liver and brain. The molecular mechanism of BC organ-specificity is still under investigation. In recent years, the appearance of new genomic approaches has led to unprecedented changes in the understanding of breast cancer metastasis organ-specificity and has provided a new platform for the development of more effective therapeutic agents. This review summarises recent data on molecular organ-specific markers of metastasis as the basis of a possible therapeutic approach in order to improve the diagnosis and prognosis of patients with metastatically heterogeneous breast cancer.
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Affiliation(s)
- Marina K. Ibragimova
- Department of Experimental Oncology, Cancer Research Institute, Tomsk National Research Medical Center of the Russian Academy of Sciences, Tomsk 634009, Russia; (M.M.T.); (E.A.K.); (I.A.T.); (N.V.L.)
- Biological Institute, National Research Tomsk State University, Tomsk 634050, Russia
- Faculty of Medicine and Biology, Siberian State Medical University, Tomsk 634050, Russia
| | - Matvey M. Tsyganov
- Department of Experimental Oncology, Cancer Research Institute, Tomsk National Research Medical Center of the Russian Academy of Sciences, Tomsk 634009, Russia; (M.M.T.); (E.A.K.); (I.A.T.); (N.V.L.)
- Faculty of Medicine and Biology, Siberian State Medical University, Tomsk 634050, Russia
| | - Ekaterina A. Kravtsova
- Department of Experimental Oncology, Cancer Research Institute, Tomsk National Research Medical Center of the Russian Academy of Sciences, Tomsk 634009, Russia; (M.M.T.); (E.A.K.); (I.A.T.); (N.V.L.)
- Biological Institute, National Research Tomsk State University, Tomsk 634050, Russia
| | - Irina A. Tsydenova
- Department of Experimental Oncology, Cancer Research Institute, Tomsk National Research Medical Center of the Russian Academy of Sciences, Tomsk 634009, Russia; (M.M.T.); (E.A.K.); (I.A.T.); (N.V.L.)
- Biological Institute, National Research Tomsk State University, Tomsk 634050, Russia
| | - Nikolai V. Litviakov
- Department of Experimental Oncology, Cancer Research Institute, Tomsk National Research Medical Center of the Russian Academy of Sciences, Tomsk 634009, Russia; (M.M.T.); (E.A.K.); (I.A.T.); (N.V.L.)
- Biological Institute, National Research Tomsk State University, Tomsk 634050, Russia
- Faculty of Medicine and Biology, Siberian State Medical University, Tomsk 634050, Russia
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Chen L, Luo J, Zhang J, Wang S, Sun Y, Liu Q, Cheng C. Dual Targeted Nanoparticles for the Codelivery of Doxorubicin and siRNA Cocktails to Overcome Ovarian Cancer Stem Cells. Int J Mol Sci 2023; 24:11575. [PMID: 37511335 PMCID: PMC10380749 DOI: 10.3390/ijms241411575] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2023] [Revised: 07/10/2023] [Accepted: 07/13/2023] [Indexed: 07/30/2023] Open
Abstract
Most anticancer treatments only induce the death of ordinary cancer cells, while cancer stem cells (CSCs) in the quiescent phase of cell division are difficult to kill, which eventually leads to cancer drug resistance, metastasis, and relapse. Therefore, CSCs are also important in targeted cancer therapy. Herein, we developed dual-targeted and glutathione (GSH)-responsive novel nanoparticles (SSBPEI-DOX@siRNAs/iRGD-PEG-HA) to efficiently and specifically deliver both doxorubicin and small interfering RNA cocktails (siRNAs) (survivin siRNA, Bcl-2 siRNA and ABCG2 siRNA) to ovarian CSCs. They are fabricated via electrostatic assembly of anionic siRNAs and cationic disulfide bond crosslinking-branched polyethyleneimine-doxorubicin (SSBPEI-DOX) as a core. Interestingly, the SSBPEI-DOX could be degraded into low-cytotoxic polyethyleneimine (PEI). Because of the enrichment of glutathione reductase in the tumor microenvironment, the disulfide bond (-SS-) in SSBPEI-DOX can be specifically reduced to promote the controlled release of siRNA and doxorubicin (DOX) in the CSCs. siRNA cocktails could specifically silence three key genes in CSCs, which, in combination with the traditional chemotherapy drug DOX, induces apoptosis or necrosis of CSCs. iRGD peptides and "sheddable" hyaluronic acid (HA) wrapped around the core could mediate CSC targeting by binding with neuropilin-1 (NRP1) and CD44 to enhance delivery. In summary, the multifunctional delivery system SSBPEI-DOX@siRNAs/iRGD-PEG-HA nanoparticles displays excellent biocompatibility, accurate CSC-targeting ability, and powerful anti-CSC ability, which demonstrates its potential value in future treatments to overcome ovarian cancer metastasis and relapse. To support this work, as exhaustive search was conducted for the literature on nanoparticle drug delivery research conducted in the last 17 years (2007-2023) using PubMed, Web of Science, and Google Scholar.
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Affiliation(s)
- Li Chen
- Fujian Provincial Key Laboratory of Tumor Biotherapy, Fujian Medical University Cancer Hospital & Fujian Cancer Hospital, Fuzhou 350014, China
- Fujian Provincial Key Laboratory of Medical Instrument and Pharmaceutical Technology, College of Biological Science and Technology, Fuzhou University, Fuzhou 350108, China
| | - Jinlan Luo
- Fujian Provincial Key Laboratory of Medical Instrument and Pharmaceutical Technology, College of Biological Science and Technology, Fuzhou University, Fuzhou 350108, China
| | - Jingyuan Zhang
- Fujian Provincial Key Laboratory of Medical Instrument and Pharmaceutical Technology, College of Biological Science and Technology, Fuzhou University, Fuzhou 350108, China
| | - Siyuan Wang
- Fujian Provincial Key Laboratory of Medical Instrument and Pharmaceutical Technology, College of Biological Science and Technology, Fuzhou University, Fuzhou 350108, China
| | - Yang Sun
- Fujian Provincial Key Laboratory of Tumor Biotherapy, Fujian Medical University Cancer Hospital & Fujian Cancer Hospital, Fuzhou 350014, China
- Department of Gynecology, Fujian Medical University Cancer Hospital & Fujian Cancer Hospital, Fuzhou 350014, China
| | - Qinying Liu
- Fujian Provincial Key Laboratory of Tumor Biotherapy, Fujian Medical University Cancer Hospital & Fujian Cancer Hospital, Fuzhou 350014, China
- School of Basic Medical Sciences, Fujian Medical University, Fuzhou 350122, China
- College of Chemistry, Fuzhou University, Fuzhou 350108, China
| | - Cui Cheng
- Fujian Provincial Key Laboratory of Medical Instrument and Pharmaceutical Technology, College of Biological Science and Technology, Fuzhou University, Fuzhou 350108, China
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Firatligil-Yildirir B, Yalcin-Ozuysal O, Nonappa. Recent advances in lab-on-a-chip systems for breast cancer metastasis research. NANOSCALE ADVANCES 2023; 5:2375-2393. [PMID: 37143816 PMCID: PMC10153489 DOI: 10.1039/d2na00823h] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/19/2022] [Accepted: 03/26/2023] [Indexed: 05/06/2023]
Abstract
Breast cancer is the leading cause of cancer-related deaths in women. Multiple molecular subtypes, heterogeneity, and their ability to metastasize from the primary site to distant organs make breast cancer challenging to diagnose, treat, and obtain the desired therapeutic outcome. As the clinical importance of metastasis is dramatically increasing, there is a need to develop sustainable in vitro preclinical platforms to investigate complex cellular processes. Traditional in vitro and in vivo models cannot mimic the highly complex and multistep process of metastasis. Rapid progress in micro- and nanofabrication has contributed to soft lithography or three-dimensional printing-based lab-on-a-chip (LOC) systems. LOC platforms, which mimic in vivo conditions, offer a more profound understanding of cellular events and allow novel preclinical models for personalized treatments. Their low cost, scalability, and efficiency have resulted in on-demand design platforms for cell, tissue, and organ-on-a-chip platforms. Such models can overcome the limitations of two- and three-dimensional cell culture models and the ethical challenges involved in animal models. This review provides an overview of breast cancer subtypes, various steps and factors involved in metastases, existing preclinical models, and representative examples of LOC systems used to study and understand breast cancer metastasis and diagnosis and as a platform to evaluate advanced nanomedicine for breast cancer metastasis.
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Affiliation(s)
| | - Ozden Yalcin-Ozuysal
- Department of Molecular Biology and Genetics, Izmir Institute of Technology Urla 35430 Izmir Turkey
| | - Nonappa
- Faculty of Engineering and Natural Sciences, Tampere University FI-33720 Tampere Finland
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Falcone R, Lombardi P, Filetti M, Fabi A, Altamura V, Scambia G, Daniele G. Molecular Profile and Matched Targeted Therapy for Advanced Breast Cancer Patients. Curr Oncol 2023; 30:2501-2509. [PMID: 36826152 PMCID: PMC9954949 DOI: 10.3390/curroncol30020191] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2023] [Revised: 02/12/2023] [Accepted: 02/16/2023] [Indexed: 02/22/2023] Open
Abstract
(1) Background: Precision oncology is opening new treatment opportunities for patients suffering from solid tumors. In the last two decades, the advent of CDK4/6 inhibitors, immunotherapy, and antibody-drug conjugates (ADC) improved survival outcomes for advanced or metastatic breast cancers (BC). Nevertheless, some patients progress to approved therapies and still maintain good clinical conditions. (2) Methods: With the aim to estimate the accrual rate to experimental precision oncology treatments, we collected molecular and clinical characteristics of BC patients evaluated at Phase 1 Unit of Fondazione Policlinico Gemelli. Clinical data were retrieved from hospital records. Molecular analysis was performed using Next-Generation Sequencing (NGS) FoundationOne CDx on tissue or blood. (3) Results: Among the 38 BC patients referred to our unit, 35 completed the genomic analysis. All patients were female with advanced (mean number of metastatic sites: 3, range 1-6) BC. Median age at our evaluation was 52 (IQR, 48-59). ECOG PS was good in 97% of the study population, although heavily pre-treated (median number of systemic treatments: 5, IQR 3-7). Half of referred patients were HR+/HER2- BC, with 39% triple negative breast cancer (TNBC). NGS testing was performed on relapsed disease among most (71%) participants, in particular lymph nodes and soft tissue. Liquid biopsy was requested in 23% of cases. The median time from sample collection to NGS testing was 1 month and from diagnosis 54 months. The median value of mutations, VUS, and TMB were 6, 11, and 5, respectively. TP53, PIK3CA, BRCA2, ESR1, and RAD21 were the genes with the highest number of molecular alterations. In 5 patients (14%), the molecular analysis was helpful to assign targeted therapy in the context of clinical trials with a median progression-free survival of 5 months. (4) Conclusions: HR+/HER2- and TNBC were the most frequent subtypes referred for NGS testing. Tissue biopsy of relapsed disease was feasible in 71% of cases. The molecular analysis offered a new treatment opportunity in 14% of patients. The real benefit of these treatments remains to be evaluated in larger cohorts.
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Affiliation(s)
- Rosa Falcone
- Phase 1 Unit, Fondazione Policlinico Universitario A. Gemelli IRCCS, 00168 Rome, Italy
| | - Pasquale Lombardi
- Phase 1 Unit, Fondazione Policlinico Universitario A. Gemelli IRCCS, 00168 Rome, Italy
| | - Marco Filetti
- Phase 1 Unit, Fondazione Policlinico Universitario A. Gemelli IRCCS, 00168 Rome, Italy
- Department of Experimental Medicine, Sapienza University of Rome, 00185 Rome, Italy
| | - Alessandra Fabi
- Unit of Precision Medicine in Breast Cancer, Scientific Directorate, Fondazione Policlinico Universitario A. Gemelli IRCCS, 00168 Rome, Italy
| | - Valeria Altamura
- Phase 1 Unit, Fondazione Policlinico Universitario A. Gemelli IRCCS, 00168 Rome, Italy
| | - Giovanni Scambia
- Department of Life Science and Public Health, Università Cattolica del Sacro Cuore, 00168 Rome, Italy
| | - Gennaro Daniele
- Phase 1 Unit, Fondazione Policlinico Universitario A. Gemelli IRCCS, 00168 Rome, Italy
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10
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Cha J, Lavi M, Kim J, Shomron N, Lee I. Imputation of single-cell transcriptome data enables the reconstruction of networks predictive of breast cancer metastasis. Comput Struct Biotechnol J 2023; 21:2296-2304. [PMID: 37035549 PMCID: PMC10073994 DOI: 10.1016/j.csbj.2023.03.036] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2022] [Revised: 03/21/2023] [Accepted: 03/21/2023] [Indexed: 03/30/2023] Open
Abstract
Single-cell transcriptome data provide a unique opportunity to explore the gene networks of a particular cell type. However, insufficient capture rate and high dimensionality of single-cell RNA sequencing (scRNA-seq) data challenge cell-type-specific gene network (CGN) reconstruction. Here, we demonstrated that the imputation of scRNA-seq data enables reconstruction of CGNs by effective retrieval of gene functional associations. We reconstructed CGNs for seven primary and nine metastatic breast cancer cell lines using scRNA-seq data with imputation. Key genes for primary or metastatic cell lines were prioritized based on network centrality measures and CGN hub genes that were presumed to be the major determinant of cell type characteristics. To identify novel genes in breast cancer metastasis, we used the average rank difference of centrality between the primary and metastatic cell lines. Genes predicted using CGN centrality analysis were more enriched for known breast cancer metastatic genes than those predicted using differential expression. The molecular chaperone CCT2 was identified as a novel gene for breast metastasis during knockdown assays of several candidate genes. Overall, our study demonstrated an effective CGN reconstruction technique with imputation of scRNA-seq data and the feasibility of identifying key genes for particular cell subsets using single-cell network analysis.
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Affiliation(s)
- Junha Cha
- Department of Biotechnology, College of Life Science and Biotechnology, Yonsei University, Seoul 03722, Republic of Korea
| | - Michael Lavi
- Faculty of Medicine and Edmond J Safra Center for Bioinformatics, Tel Aviv University, Tel Aviv 69978, Israel
| | - Junhan Kim
- Department of Biotechnology, College of Life Science and Biotechnology, Yonsei University, Seoul 03722, Republic of Korea
| | - Noam Shomron
- Faculty of Medicine and Edmond J Safra Center for Bioinformatics, Tel Aviv University, Tel Aviv 69978, Israel
- Corresponding author.
| | - Insuk Lee
- Department of Biotechnology, College of Life Science and Biotechnology, Yonsei University, Seoul 03722, Republic of Korea
- POSTECH Biotech Center, Pohang University of Science and Technology (POSTECH), Pohang 37673, Republic of Korea
- Corresponding author at: Department of Biotechnology, College of Life Science and Biotechnology, Yonsei University, Seoul 03722, Republic of Korea.
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11
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Scagliotti A, Capizzi L, Cazzaniga ME, Ilari A, De Giorgi M, Cordani N, Gallazzi M, Bruno A, Pelosi G, Albini A, Lavitrano M, Grassilli E, Cerrito MG. Co-targeting triple-negative breast cancer cells and endothelial cells by metronomic chemotherapy inhibits cell regrowth and migration via downregulation of the FAK/VEGFR2/VEGF axis and autophagy/apoptosis activation. Front Oncol 2022; 12:998274. [PMID: 36531071 PMCID: PMC9749857 DOI: 10.3389/fonc.2022.998274] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2022] [Accepted: 11/14/2022] [Indexed: 12/07/2023] Open
Abstract
High-dose standard-of-care chemotherapy is the only option for triple-negative breast cancer (TNBC) patients, which eventually die due to metastatic tumors. Recently, metronomic chemotherapy (mCHT) showed advantages in treating TNBCs leading us to investigate the anti-metastatic and anti-angiogenic potential of metronomic 5-Fluorouracil plus Vinorelbine (5-FU+VNR) on endothelial cells (ECs) and TNBCs in comparison to standard treatment (STD). We found that 10-fold lower doses of 5-FU+VNR given mCHT vs. STD inhibits cell proliferation and survival of ECs and TNBC cells. Both schedules strongly affect ECs migration and invasion, but in TNBC cells mCHT is significantly more effective than STD in impairing cell migration and invasion. The two treatments disrupt FAK/VEGFR/VEGF signaling in both ECs and TNBC cells. mCHT, and to a much lesser extent STD treatment, induces apoptosis in ECs, whereas it switches the route of cell death from apoptosis (as induced by STD) to autophagy in TNBC cells. mCHT-treated TNBCs-derived conditioned medium also strongly affects ECs' migration, modulates different angiogenesis-associated proteins, and hampers angiogenesis in matrix sponge in vivo. In conclusion, mCHT administration of 5-FU+VNR is more effective than STD schedule in controlling cell proliferation/survival and migration/invasion of both ECs and TNBC cells and has a strong anti-angiogenic effect. Our data suggest that the stabilization of tumor growth observed in TNBC patients treated with mCHT therapy schedule is likely due not only to direct cytotoxic effects but also to anti-metastatic and anti-angiogenic effects.
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Affiliation(s)
- Arianna Scagliotti
- School of Medicine and Surgery, University of Milano-Bicocca, Monza, Italy
| | - Laura Capizzi
- School of Medicine and Surgery, University of Milano-Bicocca, Monza, Italy
| | - Marina Elena Cazzaniga
- School of Medicine and Surgery, University of Milano-Bicocca, Monza, Italy
- Phase 1 Research Center, Azienda Socio Sanitaria Territoriale (ASST) di Monza, Monza, Italy
| | - Alice Ilari
- School of Medicine and Surgery, University of Milano-Bicocca, Monza, Italy
| | - Marco De Giorgi
- School of Medicine and Surgery, University of Milano-Bicocca, Monza, Italy
| | - Nicoletta Cordani
- School of Medicine and Surgery, University of Milano-Bicocca, Monza, Italy
| | - Matteo Gallazzi
- Laboratory of Immunology and General Pathology, Department of Biotechnology and Life Sciences, University of Insubria, Varese, Italy
| | - Antonino Bruno
- Laboratory of Immunology and General Pathology, Department of Biotechnology and Life Sciences, University of Insubria, Varese, Italy
- Laboratory of Innate Immunity, Unit of Molecular Pathology, Biochemistry and Immunology, Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) MultiMedica, Milan, Italy
| | - Giuseppe Pelosi
- Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) MultiMedica, Milan, Italy
- Department of Oncology and Hemato-Oncology, University of Milan, Milan, Italy
| | - Adriana Albini
- IRCCS European Institute of Oncology (IEO), Milan, Italy
| | | | - Emanuela Grassilli
- School of Medicine and Surgery, University of Milano-Bicocca, Monza, Italy
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12
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Kim DS, Camacho CV, Setlem R, Kim K, Malladi S, Hou TY, Nandu T, Gadad SS, Kraus WL. Functional Characterization of lncRNA152 as an Angiogenesis-Inhibiting Tumor Suppressor in Triple-Negative Breast Cancers. Mol Cancer Res 2022; 20:1623-1635. [PMID: 35997635 PMCID: PMC9633386 DOI: 10.1158/1541-7786.mcr-22-0123] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2022] [Revised: 07/04/2022] [Accepted: 08/19/2022] [Indexed: 11/16/2022]
Abstract
Long noncoding RNAs have been implicated in many of the hallmarks of cancer. Herein, we found that the expression of lncRNA152 (lnc152; a.k.a. DRAIC), which we annotated previously, is highly upregulated in luminal breast cancer (LBC) and downregulated in triple-negative breast cancer (TNBC). Knockdown of lnc152 promotes cell migration and invasion in LBC cell lines. In contrast, ectopic expression of lnc152 inhibits growth, migration, invasion, and angiogenesis in TNBC cell lines. In mice, lnc152 inhibited the growth of TNBC cell xenografts, as well as metastasis of TNBC cells in an intracardiac injection model. Transcriptome analysis of the xenografts indicated that lnc152 downregulates genes controlling angiogenesis. Using pull down assays followed by LC/MS-MS, we identified RBM47, a known tumor suppressor in breast cancer, as a lnc152-interacting protein. The effects of lnc152 in TNBC cells are mediated, in part, by regulating the expression of RBM47. Collectively, our results demonstrate that lnc152 is an angiogenesis-inhibiting tumor suppressor that attenuates the aggressive cancer-related phenotypes found in TNBC. IMPLICATIONS This study identifies lncRNA152 as an angiogenesis-inhibiting tumor suppressor that attenuates the aggressive cancer-related phenotypes found in TNBC by upregulating the expression of the tumor suppressor RBM47. As such, lncRNA152 may serve as a biomarker to track aggressiveness of breast cancer, as well as therapeutic target for treating TNBC.
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Affiliation(s)
- Dae-Seok Kim
- Laboratory of Signaling and Gene Regulation, Cecil H. and Ida Green Center for Reproductive Biology Sciences, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
- Division of Basic Research, Department of Obstetrics and Gynecology, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
- Current address: Touchstone Diabetes Center, Department of Internal Medicine, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
- These authors contributed equally to this work
| | - Cristel V. Camacho
- Laboratory of Signaling and Gene Regulation, Cecil H. and Ida Green Center for Reproductive Biology Sciences, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
- Division of Basic Research, Department of Obstetrics and Gynecology, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
- These authors contributed equally to this work
| | - Rohit Setlem
- Laboratory of Signaling and Gene Regulation, Cecil H. and Ida Green Center for Reproductive Biology Sciences, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
- Division of Basic Research, Department of Obstetrics and Gynecology, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
| | - Kangsan Kim
- Department of Pathology, Harold C. Simmons Comprehensive Cancer Center, UT Southwestern Medical Center, Dallas, TX, USA
| | - Srinivas Malladi
- Department of Pathology, Harold C. Simmons Comprehensive Cancer Center, UT Southwestern Medical Center, Dallas, TX, USA
| | - Tim Y. Hou
- Laboratory of Signaling and Gene Regulation, Cecil H. and Ida Green Center for Reproductive Biology Sciences, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
- Division of Basic Research, Department of Obstetrics and Gynecology, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
| | - Tulip Nandu
- Laboratory of Signaling and Gene Regulation, Cecil H. and Ida Green Center for Reproductive Biology Sciences, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
- Division of Basic Research, Department of Obstetrics and Gynecology, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
| | - Shrikanth S. Gadad
- Laboratory of Signaling and Gene Regulation, Cecil H. and Ida Green Center for Reproductive Biology Sciences, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
- Division of Basic Research, Department of Obstetrics and Gynecology, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
- Center of Emphasis in Cancer, Department of Molecular and Translational Medicine, Texas Tech University Health Sciences Center El Paso, TX 79905, USA
| | - W. Lee Kraus
- Laboratory of Signaling and Gene Regulation, Cecil H. and Ida Green Center for Reproductive Biology Sciences, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
- Division of Basic Research, Department of Obstetrics and Gynecology, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
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13
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Jia P, Xu SJ, Wang X, Wu X, Ren T, Zou Z, Zeng Q, Shen B, Ding X. Chemokine CCL2 from proximal tubular epithelial cells contributes to sepsis-induced acute kidney injury. Am J Physiol Renal Physiol 2022; 323:F107-F119. [PMID: 35658715 DOI: 10.1152/ajprenal.00037.2022] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
Damage-associated molecular patterns secreted from activated kidney cells initiate inflammatory response, a critical step in the development of sepsis-induced acute kidney injury (AKI). However, the underlying mechanism remains to be clarified. Here, we established a mouse model of sepsis-induced AKI through intraperitoneal injection of lipopolysaccharide (LPS), and demonstrated that LPS induced dramatical upregulation of C-C motif chemokine ligand 2 (CCL2) at both the mRNA and the protein levels in kidney, which was mainly expressed by tubular epithelial cells (TECs), especially by proximal TECs. Proximal tubule-specific ablation of CCL2 reduced LPS-induced macrophage infiltration, proinflammatory cytokine expression, and attenuated AKI. In vitro, using transwell migration assay, we found that deficiency of CCL2 in TECs decreased macrophage migration ability. However, myeloid-specific depletion of CCL2 could not protect the kidneys from the aforementioned effects. Mechanistically, LPS activated toll like receptor (TLR) 2 signaling in TECs, which induced activation of its downstream effector nuclear factor (NF)-κB. Blockade of TLR2 signaling or inhibition of NF-κB activation in TECs significantly suppressed LPS-induced CCL2 expression. Furthermore, ChIP analyses confirmed a direct binding of NF-κB p65 in the CCL2 promoter regein, and LPS increased the binding of NF-κB p65 to CCL2 promoter, suggesting that TLR2/NF-κB p65 regulates CCL2 expression in TECs. Together, these results demonstrate that endogenous CCL2 released from PTECs, not from myeloid cells was responsible for sepsis-induced kidney inflammation and AKI. Specificly targeting tubular TLR2/NF-κB/CCL2 signaling may be a potential therapeutic strategy for prevention or attenuation of septic AKI.
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Affiliation(s)
- Ping Jia
- Division of Nephrology, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Su-Juan Xu
- Division of Nephrology, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Xiaoyan Wang
- Division of Nephrology, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Xiaoli Wu
- Traditional Chinese Medicine Pharmacology Laboratory, Longhua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Ting Ren
- Division of Nephrology, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Zhouping Zou
- Division of Nephrology, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Qi Zeng
- Division of Nephrology, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Bo Shen
- Division of Nephrology, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Xiaoqiang Ding
- Division of Nephrology, Zhongshan Hospital, Fudan University, Shanghai, China.,Shanghai Medical Center of Kidney, Shanghai, China.,Kidney and Dialysis Institute of Shanghai, Shanghai, China.,Kidney and Blood Purification Laboratory of Shanghai, Shanghai, China.,Hemodialysis quality control center of Shanghai, Shanghai, China
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14
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Wang X, Wang N, Zhong LLD, Su K, Wang S, Zheng Y, Yang B, Zhang J, Pan B, Yang W, Wang Z. Development and Validation of a Risk Prediction Model for Breast Cancer Prognosis Based on Depression-Related Genes. Front Oncol 2022; 12:879563. [PMID: 35619902 PMCID: PMC9128552 DOI: 10.3389/fonc.2022.879563] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2022] [Accepted: 04/01/2022] [Indexed: 12/15/2022] Open
Abstract
Background Depression plays a significant role in mediating breast cancer recurrence and metastasis. However, a precise risk model is lacking to evaluate the potential impact of depression on breast cancer prognosis. In this study, we established a depression-related gene (DRG) signature that can predict overall survival (OS) and elucidate its correlation with pathological parameters and sensitivity to therapy in breast cancer. Methods The model training and validation assays were based on the analyses of 1,096 patients from The Cancer Genome Atlas (TCGA) database and 2,969 patients from GSE96058. A risk signature was established through univariate and multivariate Cox regression analyses. Results Ten DRGs were determined to construct the risk signature. Multivariate analysis revealed that the signature was an independent prognostic factor for OS. Receiver operating characteristic (ROC) curves indicated good performance of the model in predicting 1-, 3-, and 5-year OS, particularly for patients with triple-negative breast cancer (TNBC). In the high-risk group, the proportion of immunosuppressive cells, including M0 macrophages, M2 macrophages, and neutrophils, was higher than that in the low-risk group. Furthermore, low-risk patients responded better to chemotherapy and endocrine therapy. Finally, a nomogram integrating risk score, age, tumor-node-metastasis (TNM) stage, and molecular subtypes were established, and it showed good agreement between the predicted and observed OS. Conclusion The 10-gene risk model not only highlights the significance of depression in breast cancer prognosis but also provides a novel gene-testing tool to better prevent the potential adverse impact of depression on breast cancer prognosis.
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Affiliation(s)
- Xuan Wang
- State Key Laboratory of Dampness Syndrome of Chinese Medicine, The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China.,The Research Center of Integrative Cancer Medicine, Discipline of Integrated Chinese and Western Medicine, the Second Clinical College of Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Neng Wang
- State Key Laboratory of Dampness Syndrome of Chinese Medicine, The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China.,The Research Center for Integrative Medicine, School of Basic Medical Sciences, Guangzhou University of Chinese Medicine, Guangzhou, China.,Guangdong-Hong Kong-Macau Joint Lab on Chinese Medicine and Immune Disease Research, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Linda L D Zhong
- Guangdong-Hong Kong-Macau Joint Lab on Chinese Medicine and Immune Disease Research, Guangzhou University of Chinese Medicine, Guangzhou, China.,School of Chinese Medicine, Hong Kong Baptist University, Hong Kong, Hong Kong SAR, China
| | - Kexin Su
- School of Pharmaceutical Sciences, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Shengqi Wang
- State Key Laboratory of Dampness Syndrome of Chinese Medicine, The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China.,The Research Center of Integrative Cancer Medicine, Discipline of Integrated Chinese and Western Medicine, the Second Clinical College of Guangzhou University of Chinese Medicine, Guangzhou, China.,Guangdong-Hong Kong-Macau Joint Lab on Chinese Medicine and Immune Disease Research, Guangzhou University of Chinese Medicine, Guangzhou, China.,Guangdong Provincial Key Laboratory of Clinical Research on Traditional Chinese Medicine Syndrome, Guangdong Provincial Academy of Chinese Medical Sciences, Guangdong Provincial Hospital of Chinese Medicine, Guangzhou, China
| | - Yifeng Zheng
- State Key Laboratory of Dampness Syndrome of Chinese Medicine, The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China.,The Research Center of Integrative Cancer Medicine, Discipline of Integrated Chinese and Western Medicine, the Second Clinical College of Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Bowen Yang
- State Key Laboratory of Dampness Syndrome of Chinese Medicine, The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China.,The Research Center of Integrative Cancer Medicine, Discipline of Integrated Chinese and Western Medicine, the Second Clinical College of Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Juping Zhang
- State Key Laboratory of Dampness Syndrome of Chinese Medicine, The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China.,The Research Center of Integrative Cancer Medicine, Discipline of Integrated Chinese and Western Medicine, the Second Clinical College of Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Bo Pan
- State Key Laboratory of Dampness Syndrome of Chinese Medicine, The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China.,The Research Center of Integrative Cancer Medicine, Discipline of Integrated Chinese and Western Medicine, the Second Clinical College of Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Wei Yang
- Atrius Health, Harvard Vanguard Medical Associates, Burlington, MA, United States
| | - Zhiyu Wang
- State Key Laboratory of Dampness Syndrome of Chinese Medicine, The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China.,The Research Center of Integrative Cancer Medicine, Discipline of Integrated Chinese and Western Medicine, the Second Clinical College of Guangzhou University of Chinese Medicine, Guangzhou, China.,Guangdong-Hong Kong-Macau Joint Lab on Chinese Medicine and Immune Disease Research, Guangzhou University of Chinese Medicine, Guangzhou, China.,Guangdong Provincial Key Laboratory of Clinical Research on Traditional Chinese Medicine Syndrome, Guangdong Provincial Academy of Chinese Medical Sciences, Guangdong Provincial Hospital of Chinese Medicine, Guangzhou, China
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15
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Guo G, Morse RT, Wang J, Chen X, Zhang J, Wang AZ. Radiosensitivity of Breast Cancer Cells Is Dependent on the Organ Microenvironment. Front Oncol 2022; 12:833894. [PMID: 35646713 PMCID: PMC9134193 DOI: 10.3389/fonc.2022.833894] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2021] [Accepted: 04/14/2022] [Indexed: 11/14/2022] Open
Abstract
Background Distant metastasis is the leading risk factor of death in breast cancer patients, with lung and liver being commonly involved sites of distant seeding. Ongoing clinical trials are studying the benefit from additional local treatment to these metastatic sites with radiation therapy. However, little is known about the tissue-specific microenvironment and the modulating response to treatments due to limitations of traditional in vitro systems. By using biomatrix scaffolds (BMSs) to recreate the complex composition of extracellular matrices in normal organs, we chose to study the radiotherapy response with engineered breast cancer “metastases” in liver and lung organ-specific tissues. Methods Liver and lung BMSs were prepared for tissue culture. Human breast cancer cell lines were passaged on normal tissue culture plates or tissue culture plates coated with Matrigel, liver BMSs, and lung BMSs. Clonogenic assays were performed to measure cell survival with varying doses of radiation. Reactive Oxygen Species (ROS) detection assay was used to measure ROS levels after 6 Gy irradiation to cancer cells. Results The response of breast cell lines to varying doses of radiotherapy is affected by their in vitro acellular microenvironment. Breast cancer cells grown in liver BMSs were more radiosensitive than when grown in lung BMSs. ROS levels for breast cancer cells cultured in lung and liver BMSs were higher than that in plastic or in Matrigel plate cells, before and after radiotherapy, highlighting the interaction with surrounding tissue-specific growth factors and cytokines. ROSs in both lung and liver BMSs were significantly increased after radiotherapy delivery, suggesting these sites create prime environments for radiation-induced cell death. Conclusions The therapeutic response of breast cancer metastases is dependent on the organ-specific microenvironment. The interaction between tissue microenvironment in these organs may identify sensitivity of therapeutic drug targets and radiation delivery for future studies.
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Affiliation(s)
- Genyan Guo
- Laboratory of Nano- and Translational Medicine, Lineberger Comprehensive Cancer Center, Carolina Center for Cancer Nanotechnology Excellence, Carolina Institute of Nanomedicine, University of North Carolina at Chapel Hill, Chapel Hill, NC, United States
- Department of Radiation Oncology, The Fourth Affiliated Hospital of China Medical University, Shenyang, China
| | - Ryan T. Morse
- Department of Radiation Oncology, University of North Carolina Chapel Hill, Chapel Hill, NC, United States
| | - Jie Wang
- Laboratory of Nano- and Translational Medicine, Lineberger Comprehensive Cancer Center, Carolina Center for Cancer Nanotechnology Excellence, Carolina Institute of Nanomedicine, University of North Carolina at Chapel Hill, Chapel Hill, NC, United States
- Department of Radiation Oncology, The Fourth Affiliated Hospital of China Medical University, Shenyang, China
- Department of Radiation Oncology, Dalian Municipal Central Hospital, Dalian, China
| | - Xuan Chen
- Laboratory of Nano- and Translational Medicine, Lineberger Comprehensive Cancer Center, Carolina Center for Cancer Nanotechnology Excellence, Carolina Institute of Nanomedicine, University of North Carolina at Chapel Hill, Chapel Hill, NC, United States
- Department of Radiation Oncology, Qilu Hospital of Shandong University, Jinan, China
| | - Jiajie Zhang
- Laboratory of Nano- and Translational Medicine, Lineberger Comprehensive Cancer Center, Carolina Center for Cancer Nanotechnology Excellence, Carolina Institute of Nanomedicine, University of North Carolina at Chapel Hill, Chapel Hill, NC, United States
- Department of Pancreatic Surgery, Huashan Hospital, Fudan University, Shanghai, China
| | - Andrew Z. Wang
- Laboratory of Nano- and Translational Medicine, Lineberger Comprehensive Cancer Center, Carolina Center for Cancer Nanotechnology Excellence, Carolina Institute of Nanomedicine, University of North Carolina at Chapel Hill, Chapel Hill, NC, United States
- Department of Radiation Oncology, University of North Carolina Chapel Hill, Chapel Hill, NC, United States
- *Correspondence: Andrew Z. Wang,
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16
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Emergence of Nanotechnology as a Powerful Cavalry against Triple-Negative Breast Cancer (TNBC). Pharmaceuticals (Basel) 2022; 15:ph15050542. [PMID: 35631368 PMCID: PMC9143332 DOI: 10.3390/ph15050542] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2022] [Revised: 04/26/2022] [Accepted: 04/26/2022] [Indexed: 12/11/2022] Open
Abstract
Triple-negative breast cancer (TNBC) is considered one of the un-manageable types of breast cancer, involving devoid of estrogen, progesterone, and human epidermal growth factor receptor 2 (HER 2) receptors. Due to their ability of recurrence and metastasis, the management of TNBC remains a mainstay challenge, despite the advancements in cancer therapies. Conventional chemotherapy remains the only treatment regimen against TNBC and suffers several limitations such as low bioavailability, systemic toxicity, less targetability, and multi-drug resistance. Although various targeted therapies have been introduced to manage the hardship of TNBC, they still experience certain limitations associated with the survival benefits. The current research thus aimed at developing and improving the strategies for effective therapy against TNBC. Such strategies involved the emergence of nanoparticles. Nanoparticles are designated as nanocavalries, loaded with various agents (drugs, genes, etc.) to battle the progression and metastasis of TNBC along with overcoming the limitations experienced by conventional chemotherapy and targeted therapy. This article documents the treatment regimens of TNBC along with their efficacy towards different subtypes of TNBC, and the various nanotechnologies employed to increase the therapeutic outcome of FDA-approved drug regimens.
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17
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Diverse roles of tumor-stromal PDGFB-to-PDGFRβ signaling in breast cancer growth and metastasis. Adv Cancer Res 2022; 154:93-140. [PMID: 35459473 DOI: 10.1016/bs.acr.2022.01.003] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Over the last couple of decades, it has become increasingly apparent that the tumor microenvironment (TME) mediates every step of cancer progression and solid tumors are only able to metastasize with a permissive TME. This intricate interaction of cancer cells with their surrounding TME, or stroma, is becoming more understood with an ever greater knowledge of tumor-stromal signaling pairs such as platelet-derived growth factors (PDGF) and their cognate receptors. We and others have focused our research efforts on understanding how tumor-derived PDGFB activates platelet-derived growth factor receptor beta (PDGFRβ) signaling specifically in the breast cancer TME. In this chapter, we broadly discuss PDGF and PDGFR expression patterns and signaling in normal physiology and breast cancer. We then detail the expansive roles played by the PDGFB-to-PDGFRβ signaling pathway in modulating breast tumor growth and metastasis with a focus on specific cellular populations within the TME, which are responsive to tumor-derived PDGFB. Given the increasingly appreciated importance of PDGFB-to-PDGFRβ signaling in breast cancer progression, specifically in promoting metastasis, we end by discussing how therapeutic targeting of PDGFB-to-PDGFRβ signaling holds great promise for improving current breast cancer treatment strategies.
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18
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Fan C, Li C, Lu S, Lai X, Wang S, Liu X, Song Y, Deng Y. Polysialic Acid Self-assembled Nanocomplexes for Neutrophil-Based Immunotherapy to Suppress Lung Metastasis of Breast Cancer. AAPS PharmSciTech 2022; 23:109. [PMID: 35411426 DOI: 10.1208/s12249-022-02243-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2021] [Accepted: 02/25/2022] [Indexed: 12/22/2022] Open
Abstract
The role of neutrophils in tumor metastasis has recently attracted widespread interest. Neutrophils are the most abundant immune cells in human peripheral blood, and large numbers can spontaneously migrate to metastatic sites, where they form an immunosuppressive microenvironment. Polysialic acid (PSA) can target peripheral blood neutrophils (PBNs) mediated by L-selectin, and abemaciclib (ABE) and mitoxantrone (MIT) can treat immunosuppressive microenvironments. Here, we aimed to inhibit lung metastasis of breast cancer and improve chemoimmunotherapy by designing a PSA-modified ABE and MIT co-delivery system (AM-polyion complex (PIC)) to target PBNs in mice with metastatic tumors. We found that through electrostatic interactions between the strong negative charge of PSA and the positive charge of the drug can form stable nanocomplexes and that spontaneous migration of neutrophils can mediate the aggregation of these complexes in the lungs, induce antimetastatic immune responses, enhance the effectiveness of cytotoxic T lymphocytes (CTLs), and inhibit regulatory T cell (Treg) proliferation in vivo and in vitro. Pharmacodynamic results suggested that neutrophil-mediated AM-PIC chemoimmunotherapy inhibited tumor metastasis in mice with lung metastasis of 4T1 breast cancer. Overall, PSA-modified nanocomplexes offer promising neutrophil-mediated, targeted drug delivery systems to treat lung metastasis of breast cancer.
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19
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Elakkad YE, Mohamed SNS, Abuelezz NZ. Potentiating the Cytotoxic Activity of a Novel Simvastatin-Loaded Cubosome against Breast Cancer Cells: Insights on Dual Cell Death via Ferroptosis and Apoptosis. BREAST CANCER (DOVE MEDICAL PRESS) 2021; 13:675-689. [PMID: 34934357 PMCID: PMC8684378 DOI: 10.2147/bctt.s336712] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/06/2021] [Accepted: 11/29/2021] [Indexed: 12/21/2022]
Abstract
Purpose Female breast cancer is the most prevalent cancer worldwide. Emerging evidence shows that simvastatin (SIM) has promising anticancer activities. However, the underlying mechanisms are not fully elucidated. Increasing reports imply statins can modulate ferroptosis through disrupting reactive oxygen species (ROS) and glutathione peroxidase enzyme (GPX4) levels. However, whether ferroptosis contributes to SIM anticancer activity, especially regarding GPX4 is unclear. Moreover, poor aqueous SIM solubility hinders its delivery in adequate levels to tumor sites. Meanwhile, cubosomes are biocompatible nanocarriers that enhance lipophilic drug delivery. Therefore, in this study, we formulated a novel SIM-loaded cubosome (SIM-CB) and analyzed its cytotoxic activity on MCF-7 cancer cells in comparison with free SIM. Methods The present study tested the cytotoxic activity of SIM-CB on MCF-7 cells, in comparison with SIM using sulphorhodamine assay. We analyzed SIM-CB effect on apoptosis and cell cycle using flowcytometry, and investigated its effect on Bcl-2, caspase 3, ROS, reduced glutathione (GSH), lipid peroxides and GPX4 enzyme. Finally, we tested the persistence of SIM-CB apoptosis and ferroptosis activities on MCF-7 cells in presence of vitamin E, a potent antioxidant and ferroptosis inhibitor. Results SIM-CB was successfully formulated at the nano size. SIM-CB significantly increased simvastatin therapeutic activity, with IC50 of SIM-CB 52% lower than SIM. 95% CI [1.8, 2.7], SD = 0.34 for SIM-CB, and [4.1, 5.2], SD = 0.45 for SIM. Compared with free SIM, SIM-CB doubled total deaths and increased apoptosis (p < 0.05). Moreover, SIM-CB remarkably increased caspase-3, ROS, and lipid peroxide levels but decreased antiapoptotic Bcl-2 protein, GSH, and GPX4 compared with free SIM. Notably, SIM-CB elicited a high distinguished resistance against the inhibitory effects of vitamin E. Conclusion To the best of our knowledge, this study is the first to present SIM-CB as a promising means to enhancing the therapeutic potential of simvastatin against breast cancer cells, through potentiating both apoptosis and ferroptosis.
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Affiliation(s)
- Yara E Elakkad
- Department of Pharmaceutics, College of Pharmaceutical Sciences and Drug Manufacturing, Misr University for Science and Technology, Giza, Egypt
| | - Shimaa Nabil Senousy Mohamed
- Biochemistry Division, Chemistry Department, Center of Basic Sciences, Misr University for Science and Technology, Giza, Egypt
| | - Nermeen Z Abuelezz
- Biochemistry Department, College of Pharmaceutical Sciences and Drug Manufacturing, Misr University for Science and Technology, Giza, Egypt
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20
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Cheng X, Zhao JX, Dong F, Cao XC. ARID1A Mutation in Metastatic Breast Cancer: A Potential Therapeutic Target. Front Oncol 2021; 11:759577. [PMID: 34804958 PMCID: PMC8599951 DOI: 10.3389/fonc.2021.759577] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2021] [Accepted: 10/15/2021] [Indexed: 12/05/2022] Open
Abstract
Distant metastasis is the principal cause of mortality for breast cancer patients. Targeting specific mutations that have been acquired during the evolution process of advanced breast cancer is a potential means of enhancing the clinical efficacy of treatment strategies. In metastatic breast cancer, ARID1A is the most prevalent mutation of the SWI/SNF complex, which regulates DNA repair, recombination, and gene transcription. The low expression of ARID1A is associated with poor disease-free survival and overall survival of patients with luminal A or HER2-rich breast cancer. In addition, ARID1A plays a prominent role in maintaining luminal characteristics and has an advantage for identifying responses to treatment, including endocrine therapies, HDAC inhibitors and CDK4/6 inhibitors. The therapeutic vulnerabilities initiated by ARID1A alterations encourage us to explore new approaches to cope with ARID1A mutant-related drug resistance or metastasis. In this review, we describe the mutation profiles of ARID1A in metastatic breast cancer and the structure and function of ARID1A and the SWI/SNF complex as well as discuss the potential mechanisms of ARID1A-mediated endocrine resistance and therapeutic potential.
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Affiliation(s)
- Xuan Cheng
- The First Department of Breast Cancer, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Tianjin, China.,Key Laboratory of Cancer Prevention and Therapy, Tianjin, China.,Tianjin's Clinical Research Center for Cancer, Tianjin, China.,Key Laboratory of Breast Cancer Prevention and Therapy, Tianjin Medical University, Ministry of Education, Tianjin, China
| | - Jian-Xiong Zhao
- The First Department of Breast Cancer, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Tianjin, China.,Key Laboratory of Cancer Prevention and Therapy, Tianjin, China.,Tianjin's Clinical Research Center for Cancer, Tianjin, China.,Key Laboratory of Breast Cancer Prevention and Therapy, Tianjin Medical University, Ministry of Education, Tianjin, China
| | - Feng Dong
- Department of Neurosurgery, Tianjin Medical University General Hospital and Laboratory of Neuro-Oncology, Tianjin Neurological Institute, Tianjin, China.,State Key Laboratory of Experimental Hematology, The Province and Ministry Co-sponsored Collaborative Innovation Center for Medical Epigenetics, Tianjin Key Laboratory of Cellular Homeostasis and Human Diseases, Department of Cell Biology, Tianjin Medical University, Tianjin, China
| | - Xu-Chen Cao
- The First Department of Breast Cancer, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Tianjin, China.,Key Laboratory of Cancer Prevention and Therapy, Tianjin, China.,Tianjin's Clinical Research Center for Cancer, Tianjin, China.,Key Laboratory of Breast Cancer Prevention and Therapy, Tianjin Medical University, Ministry of Education, Tianjin, China
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21
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Jiang B, Mu Q, Qiu F, Li X, Xu W, Yu J, Fu W, Cao Y, Wang J. Machine learning of genomic features in organotropic metastases stratifies progression risk of primary tumors. Nat Commun 2021; 12:6692. [PMID: 34795255 PMCID: PMC8602327 DOI: 10.1038/s41467-021-27017-w] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2020] [Accepted: 11/01/2021] [Indexed: 12/12/2022] Open
Abstract
Metastatic cancer is associated with poor patient prognosis but its spatiotemporal behavior remains unpredictable at early stage. Here we develop MetaNet, a computational framework that integrates clinical and sequencing data from 32,176 primary and metastatic cancer cases, to assess metastatic risks of primary tumors. MetaNet achieves high accuracy in distinguishing the metastasis from the primary in breast and prostate cancers. From the prediction, we identify Metastasis-Featuring Primary (MFP) tumors, a subset of primary tumors with genomic features enriched in metastasis and demonstrate their higher metastatic risk and shorter disease-free survival. In addition, we identify genomic alterations associated with organ-specific metastases and employ them to stratify patients into various risk groups with propensities toward different metastatic organs. This organotropic stratification method achieves better prognostic value than the standard histological grading system in prostate cancer, especially in the identification of Bone-MFP and Liver-MFP subtypes, with potential in informing organ-specific examinations in follow-ups.
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Affiliation(s)
- Biaobin Jiang
- Department of Chemical and Biological Engineering, The Hong Kong University of Science and Technology, Hong Kong SAR, China
- Tencent AI Lab, Shenzhen, Guangdong, China
| | - Quanhua Mu
- Department of Chemical and Biological Engineering, The Hong Kong University of Science and Technology, Hong Kong SAR, China
| | - Fufang Qiu
- Division of Life Science, The Hong Kong University of Science and Technology, Hong Kong SAR, China
| | - Xuefeng Li
- The Sixth Affiliated Hospital of Guangzhou Medical University, Qingyuan People's Hospital, 511518, Qingyuan, China
- State Key Laboratory of Respiratory Disease, Sino-French Hoffmann Institute, School of Basic Medical Sciences, Guangzhou Medical University, 511436, Guangzhou, China
- Department of Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, 77030, USA
| | - Weiqi Xu
- Department of Hepatic Surgery, Fudan University Shanghai Cancer Center, 200032, Shanghai, China
- Department of Oncology, Shanghai Medical College, Fudan University, 200032, Shanghai, China
| | - Jun Yu
- Institute of Digestive Disease, The Chinese University of Hong Kong, Hong Kong SAR, China
- Department of Medicine and Therapeutics, The Chinese University of Hong Kong, Hong Kong SAR, China
- State Key Laboratory of Digestive Disease, The Chinese University of Hong Kong, Hong Kong SAR, China
- Li Ka Shing Institute of Health Sciences, The Chinese University of Hong Kong, Hong Kong SAR, China
- CUHK Shenzhen Research Institute, Shenzhen, China
| | - Weilun Fu
- Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, 100070, Beijing, China
| | - Yong Cao
- Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, 100070, Beijing, China
| | - Jiguang Wang
- Department of Chemical and Biological Engineering, The Hong Kong University of Science and Technology, Hong Kong SAR, China.
- Division of Life Science, The Hong Kong University of Science and Technology, Hong Kong SAR, China.
- State Key Laboratory of Molecular Neuroscience, The Hong Kong University of Science and Technology, Hong Kong SAR, China.
- Hong Kong Center for Neurodegenerative Diseases, Hong Kong Science Park, Hong Kong SAR, China.
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22
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Identification of potential genes related to breast cancer brain metastasis in breast cancer patients. Biosci Rep 2021; 41:229807. [PMID: 34541602 PMCID: PMC8521534 DOI: 10.1042/bsr20211615] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2021] [Revised: 08/26/2021] [Accepted: 09/08/2021] [Indexed: 01/04/2023] Open
Abstract
Brain metastases (BMs) usually develop in breast cancer (BC) patients. Thus, the molecular mechanisms of breast cancer brain metastasis (BCBM) are of great importance in designing therapeutic strategies to treat or prevent BCBM. The present study attempted to identify novel diagnostic and prognostic biomarkers of BCBM. Two datasets (GSE125989 and GSE100534) were obtained from the Gene Expression Omnibus (GEO) database to find differentially expressed genes (DEGs) in cases of BC with and without brain metastasis (BM). A total of 146 overlapping DEGs, including 103 up-regulated and 43 down-regulated genes, were identified. Functional enrichment analysis showed that these DEGs were mainly enriched for functions including extracellular matrix (ECM) organization and collagen catabolic fibril organization. Using protein-protein interaction (PPI) and principal component analysis (PCA) analysis, we identified ten key genes, including LAMA4, COL1A1, COL5A2, COL3A1, COL4A1, COL5A1, COL5A3, COL6A3, COL6A2, and COL6A1. Additionally, COL5A1, COL4A1, COL1A1, COL6A1, COL6A2, and COL6A3 were significantly associated with the overall survival of BC patients. Furthermore, COL6A3, COL5A1, and COL4A1 were potentially correlated with BCBM in human epidermal growth factor 2 (HER2) expression. Additionally, the miR-29 family might participate in the process of metastasis by modulating the cancer microenvironment. Based on datasets in the GEO database, several DEGs have been identified as playing potentially important roles in BCBM in BC patients.
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Shahruzaman SH, Yusof FZ, Maniam S, Fakurazi S, Maniam S. The cytotoxic effect of Baeckea frustescens extracts in eliminating hypoxic breast cancer cells. BMC Complement Med Ther 2021; 21:245. [PMID: 34598696 PMCID: PMC8485548 DOI: 10.1186/s12906-021-03417-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2021] [Accepted: 09/20/2021] [Indexed: 12/25/2022] Open
Abstract
BACKGROUND Adaptive metabolic response towards a low oxygen environment is essential to maintain rapid tumour proliferation and progression. The vascular network that surrounds the tumour develops an intermittent hypoxic condition and stimulates hypoxia-inducing factors. Baeckea frutescens is used in traditional medicine and known to possess antibacterial and cytoprotective properties. In this study, the cytotoxic effect of B. frutescens leaves and branches extracts against hypoxic human breast cancer (MCF-7) was investigated. METHOD The extracts were prepared using Soxhlet apparatus for ethanol and hexane extracts while the water extracts were freeze-dried. In vitro cytotoxic activities of B. frutescens extracts of various concentrations (20 to 160 μg/mL) at 24, 48, and 72 hours time points were studied using MTT in chemically induced hypoxic condition and in 3-dimensional in vitro cell culture system. An initial characterisation of B. frutescens extracts was carried out using Fourier-transform Infrared- Attenuated Total Reflection (FTIR-ATR) to determine the presence of functional groups. RESULTS All leaf extracts except for water showed IC50 values ranging from 23 -158 μg/mL. Hexane extract showed the lowest IC50 value (23 μg/mL), indicating its potent cytotoxic activity. Among the branch extracts, only the 70% ethanolic extract (B70) showed an IC50 value. The hexane leaf extract tested on 3- dimensional cultured cells showed an IC50 value of 17.2 μg/mL. The FTIR-ATR spectroscopy analysis identified various characteristic peak values with different functional groups such as alcohol, alkenes, alkynes, carbonyl, aromatic rings, ethers, ester, and carboxylic acids. Interestingly, the FTIR-ATR spectra report a complex and unique profile of the hexane extract, which warrants further investigation. CONCLUSION Adaptation of tumour cells to hypoxia significantly contributes to the aggressiveness and chemoresistance of different tumours. The identification of B. frutescens and its possible role in eliminating breast cancer cells in hypoxic conditions defines a new role of natural product that can be utilised as an effective agent that regulates metabolic reprogramming in breast cancer.
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Affiliation(s)
- S H Shahruzaman
- Department of Human Anatomy, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia, 43400 UPM, Serdang, Selangor Darul Ehsan, Malaysia
| | - F Z Yusof
- Department of Human Anatomy, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia, 43400 UPM, Serdang, Selangor Darul Ehsan, Malaysia
| | - S Maniam
- School of Science, RMIT University, Melbourne, VIC, 3001, Australia
| | - S Fakurazi
- Department of Human Anatomy, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia, 43400 UPM, Serdang, Selangor Darul Ehsan, Malaysia
| | - S Maniam
- Department of Human Anatomy, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia, 43400 UPM, Serdang, Selangor Darul Ehsan, Malaysia.
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24
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Guo J, Lian H, Liu M, Dong J, Guo Z, Yang J, Ye C. Integrated analyses of long noncoding RNAs and mRNAs in the progression of breast cancer. J Int Med Res 2021; 49:300060520973137. [PMID: 34528496 PMCID: PMC8451004 DOI: 10.1177/0300060520973137] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Objective The objective was to explore the expression and potential functions of long noncoding RNA (lncRNA) and mRNAs in human breast cancer (BC). Methods Differentially expressed lncRNAs and mRNAs were identified and annotated in BC tissues by using the Agilent human lncRNA assay (Agilent Technologies, Santa Clara, CA, USA) and RNA sequencing. After identification of lncRNAs and mRNAs through quantitative reverse transcription polymerase chain reaction, we conducted a series of functional experiments to confirm the effects of knockdown of one lncRNA, TCONS_00029809, on the progression of BC. Results We discovered 238 lncRNAs and 200 mRNAs that were differentially expressed in BC tissues and para-carcinoma tissue. We showed that differentially expressed mRNAs were related to biological adhesion and biological regulation and mainly enriched in cytokine-cytokine receptor interaction, metabolic pathways, and PI3K-Akt signaling pathway. We created a protein–protein interaction network to analyze the proteins enriched in these pathways. We demonstrated that silencing of TCONS_00029809 remarkably inhibited proliferation, invasion, and migration of BC cells, and accelerated their apoptosis. Conclusions We identified a large number of differentially expressed lncRNAs and mRNAs, which provide data useful in understanding BC carcinogenesis. The lncRNA TCONS_00029809 may be involved in the development of BC.
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Affiliation(s)
- Jingyun Guo
- Breast Center, Department of General Surgery, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, China
| | - Huining Lian
- Breast Center, Department of General Surgery, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, China
| | - Minfeng Liu
- Breast Center, Department of General Surgery, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, China
| | - Jianyu Dong
- Breast Center, Department of General Surgery, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, China
| | - Zhaoze Guo
- Breast Center, Department of General Surgery, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, China
| | - Jinlamao Yang
- Breast Center, Department of General Surgery, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, China
| | - Changsheng Ye
- Breast Center, Department of General Surgery, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, China
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25
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Hua Y, Gao L, Li X. Comprehensive Analysis of Metabolic Genes in Breast Cancer Based on Multi-Omics Data. Pathol Oncol Res 2021; 27:1609789. [PMID: 34408553 PMCID: PMC8366497 DOI: 10.3389/pore.2021.1609789] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/21/2021] [Accepted: 07/15/2021] [Indexed: 01/01/2023]
Abstract
Background: Reprogramming of cell metabolism is one of the most important hallmarks of breast cancer. This study aimed to comprehensively analyze metabolic genes in the initiation, progression, and prognosis of breast cancer. Materials and Methods: Data from The Cancer Genome Atlas (TCGA) in breast cancer were downloaded including RNA-seq, copy number variation, mutation, and DNA methylation. A gene co-expression network was constructed by the weighted correlation network analysis (WGCNA) package in R. Association of metabolic genes with tumor-related immune cells and clinical parameters were also investigated. Results: We summarized 3,620 metabolic genes and observed mutations in 2,964 genes, of which the most frequently mutated were PIK3CA (51%), TNN (26%), and KMT2C (15%). Four genes (AKT1, ERBB2, KMT2C, and USP34) were associated with survival of breast cancer. Significant association was detected in the tumor mutation burden (TMB) of metabolic genes with T stage (p = 0.045) and N stage (p = 0.004). Copy number variations were significantly associated with recurrence and prognosis of breast cancer. The co-expression network for differentially expressed metabolic genes by WGCNA suggested that the modules were associated with glycerophospholipid, arachidonic acid, carbon, glycolysis/gluconeogenesis, and pyrimidine/purine metabolism. Glycerophospholipid metabolism correlated with most of the immune cells, while arachidonic acid metabolism demonstrated a significant correlation with endothelial cells. Methylation and miRNA jointly regulated 14 metabolic genes while mutation and methylation jointly regulated PIK3R1. Conclusion: Based on multi-omics data of somatic mutation, copy number variation, mRNA expression, miRNA expression, and DNA methylation, we identified a series of differentially expressed metabolic genes. Metabolic genes are associated with tumor-related immune cells and clinical parameters, which might be therapy targets in future clinical application.
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Affiliation(s)
- Yu Hua
- Department of Nursing, The First Affiliated Hospital of China Medical University, Shenyang, China
| | - Lihong Gao
- Department of Nursing, The First Affiliated Hospital of China Medical University, Shenyang, China
| | - Xiaobo Li
- Department of Nursing, The First Affiliated Hospital of China Medical University, Shenyang, China
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26
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Xia W, Liu Y, Cheng T, Xu T, Dong M, Hu X. Extracellular Vesicles Carry lncRNA SNHG16 to Promote Metastasis of Breast Cancer Cells via the miR-892b/PPAPDC1A Axis. Front Cell Dev Biol 2021; 9:628573. [PMID: 34249903 PMCID: PMC8267525 DOI: 10.3389/fcell.2021.628573] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2020] [Accepted: 04/30/2021] [Indexed: 12/17/2022] Open
Abstract
Breast cancer (BC) represents the most commonly diagnosed malignancy among women. Long non-coding RNAs (lncRNAs) can be transferred by extracellular vesicles (EVs) to participate in BC progression. This study demonstrated that SNHG16 expression was significantly increased in BC tissues and cells. Overexpression of SNHG16 promoted the migration, invasion, and epithelial-mesenchymal transition (EMT) of BC cells. SNHG16 was carried by EVs. Bioinformatics analysis predicted that SNHG16 regulated PPAPDC1A expression by sponging miR-892b, which was confirmed by RNA-fluorescence in situ hybridization (FISH), RT-qPCR, dual-luciferase gene reporter assay, and RNA immunoprecipitation (RIP). MDA-MB-157 and HS578T cells were transfected with pcDNA3.1-SNHG16, miR-892b-mimic, or si-PPAPDC1A for functional rescue experiments in vitro, and the cells were treated with MDA-MB-231 cell-derived EVs. The results confirmed that enhanced miR-892b expression partially eliminated the increase of migration, invasion, and EMT of BC cells mediated by SNHG16 or EVs. The lung metastasis model in nude mice was established by injecting HS578T cells via tail vein. The results showed that si-SNHG16 reduced the metastatic nodules and decreased the vimentin expression. In conclusion, EVs derived from BC cells transferred SNHG16 via the miR-892b/PPAPDC1A axis, thus promoting EMT, migration, and invasion of BC.
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Affiliation(s)
- Wenfei Xia
- Department of Breast and Thyroid Surgery, Division of General Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Yun Liu
- Department of ENT, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Teng Cheng
- Department of Breast and Thyroid Surgery, Division of General Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Tao Xu
- Department of Breast and Thyroid Surgery, Division of General Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Menglu Dong
- Department of Breast and Thyroid Surgery, Division of General Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Xiaopeng Hu
- Department of Breast and Thyroid Surgery, Division of General Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
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27
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Sun M, Tang C, Liu J, Jiang W, Yu H, Dong F, Huang C, Rixiati Y. Comprehensive analysis of suppressor of cytokine signaling proteins in human breast Cancer. BMC Cancer 2021; 21:696. [PMID: 34120621 PMCID: PMC8201682 DOI: 10.1186/s12885-021-08434-y] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2020] [Accepted: 06/03/2021] [Indexed: 12/24/2022] Open
Abstract
Background Abnormal expression of suppressor of cytokine signaling (SOCS) proteins regulates tumor angiogenesis and development in cancers. In this study, we aimed to perform a comprehensive bioinformatic analysis of SOCS proteins in breast invasive carcinoma (BRCA). Methods The gene expression, methylation level, copy number, protein expression and patient survival data related to SOCS family members in BRCA patients were obtained from the following databases: Oncomine, The Cancer Genome Atlas (TCGA), Genotype-Tissue Expression (GTEx), Human Protein Atlas (HPA), Gene Expression Profiling Interactive Analysis (GEPIA), PCViz, cBioPortal and Kaplan-Meier plotter. Correlation analyses, identification of interacting genes and construction of regulatory networks were performed by functional and pathway enrichment analyses, weighted gene coexpression network analysis (WGCNA) and gene set enrichment analysis (GSEA). Results Data related to 1109 BRCA tissues and 113 normal breast tissue samples were extracted from the TCGA database. SOCS2 and SOCS3 exhibited significantly lower mRNA expression levels in BRCA tissues than in normal tissues. BRCA patients with high mRNA levels of SOCS3 (p < 0.01) and SOCS4 (p < 0.05) were predicted to have significantly longer overall survival (OS) times. Multivariate analysis showed that SOCS3 was an independent prognostic factor for OS. High mRNA expression levels of SOCS2 (p < 0.001), SOCS3 (p < 0.001), and SOCS4 (p < 0.01), and a low expression level of SOCS5 (p < 0.001) were predicted to be significantly associated with better recurrence-free survival (RFS). Multivariate analysis showed that SOCS2 was an independent prognostic factor for RFS. Lower expression levels of SOCS2 and SOCS3 were observed in patients with tumors of more advanced clinical stage (p < 0.05). Functional and pathway enrichment analyses, together with WGCNA and GSEA, showed that SOCS3 and its interacting genes were significantly involved in the JAK-STAT signaling pathway, suggesting that JAK-STAT signaling might play a critical role in BRCA angiogenesis and development. Western blot results showed that overexpression of SOCS3 inhibited the activity of the JAK-STAT signaling pathway in vitro. Conclusions SOCS family proteins play a very important role in BRCA. SOCS3 may be a prognostic factor and SOCS2 may be a potential therapeutic target in breast cancer. Supplementary Information The online version contains supplementary material available at 10.1186/s12885-021-08434-y.
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Affiliation(s)
- Mingyu Sun
- Department of Breast Surgery, Xuzhou Central Hospital, The Affiliated Xuzhou Hospital of Medical College of Southeast University, Xuzhou, 221009, China
| | - Chuangang Tang
- Department of Breast Surgery, Xuzhou Central Hospital, The Affiliated Xuzhou Hospital of Medical College of Southeast University, Xuzhou, 221009, China
| | - Jun Liu
- Department of Breast Surgery, Xuzhou Central Hospital, The Affiliated Xuzhou Hospital of Medical College of Southeast University, Xuzhou, 221009, China
| | - Wenli Jiang
- Department of Biochemistry and Molecular Biology, College of Basic Medical, Navy Medical University, Shanghai, 200433, China
| | - Haifeng Yu
- Department of General Surgery, Tianjin First Central Hospital, Tianjin, 300192, China
| | - Fang Dong
- Department of Vascular Surgery, Gansu Provincial Hospital, Lanzhou, 730000, China
| | - Caiguo Huang
- Department of Biochemistry and Molecular Biology, College of Basic Medical, Navy Medical University, Shanghai, 200433, China
| | - Youlutuziayi Rixiati
- Department of Pathology, Soochow University Medical School, Suzhou, 215123, China.
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Qian D, Zheng Q, Wu D, Ye B, Qian Y, Zhou T, Qiu J, Meng X. Integrated Analysis of ceRNA Network Reveals Prognostic and Metastasis Associated Biomarkers in Breast Cancer. Front Oncol 2021; 11:670138. [PMID: 34055638 PMCID: PMC8158160 DOI: 10.3389/fonc.2021.670138] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2021] [Accepted: 04/07/2021] [Indexed: 01/17/2023] Open
Abstract
Background Breast cancer is a malignancy and lethal tumor in women. Metastasis of breast cancer is one of the causes of poor prognosis. Increasing evidences have suggested that the competing endogenous RNAs (ceRNAs) were associated with the metastasis of breast cancer. Nonetheless, potential roles of ceRNAs in regulating the metastasis of breast cancer remain unclear. Methods The RNA expression (3 levels) and follow-up data of breast cancer and noncancerous tissue samples were downloaded from the Cancer Genome Atlas (TCGA). Differentially expressed and metastasis associated RNAs were identified for functional analysis and constructing the metastasis associated ceRNA network by comprehensively bioinformatic analysis. The Kaplan-Meier (K-M) survival curve was utilized to screen the prognostic RNAs in metastasis associated ceRNA network. Moreover, we further identified the metastasis associated biomarkers with operating characteristic (ROC) curve. Ultimately, the data of Cancer Cell Line Encyclopedia (CCLE, https://portals.broadinstitute.org/ccle) website were selected to obtained the reliable metastasis associated biomarkers. Results 1005 mRNAs, 22 miRNAs and 164 lncRNAs were screened as differentially expressed and metastasis associated RNAs. The results of GO function and KEGG pathway enrichment analysis showed that these RNAs are mainly associated with the metabolic processes and stress responses. Next, a metastasis associated ceRNA (including 104 mRNAs, 19 miRNAs, and 16 lncRNAs) network was established, and 12 RNAs were found to be related to the overall survival (OS) of patients. In addition, 3 RNAs (hsa-miR-105-5p, BCAR1, and PANX2) were identified to serve as reliable metastasis associated biomarkers. Eventually, the results of mechanism analysis suggested that BCAR1 might promote the metastasis of breast cancer by facilitating Rap 1 signaling pathway. Conclusion In the present research, we identified 3 RNAs (hsa-miR-105-5p, BCAR1 and PANX2) might associated with prognosis and metastasis of breast cancer, which might be provide a new perspective for metastasis of breast cancer and contributed to the treatment of breast cancer.
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Affiliation(s)
- Da Qian
- College of Medicine, Soochow University, Soochow, China.,Department of Breast Surgery, Zhejiang Provincial People's Hospital, Hangzhou, China.,Department of Burn and Plastic Surgery-Hand Surgery, First People's Hospital of Changshu City, Changshu Hospital Affiliated to Soochow University, Soochow, China
| | - Qinghui Zheng
- Department of Breast Surgery, Zhejiang Provincial People's Hospital, Hangzhou, China
| | - Danping Wu
- Department of Breast Surgery, First People's Hospital of Changshu City, Changshu Hospital Affiliated to Soochow University, Soochow, China
| | - Buyun Ye
- Second Clinical College, Zhejiang Chinese Medical University, Hangzhou, China
| | - Yangyang Qian
- Department of Breast Surgery, Zhejiang Provincial People's Hospital, Hangzhou, China
| | - Tao Zhou
- Faculty of Basic Medicine, Hangzhou Medical College, Hangzhou, China
| | - Jie Qiu
- Second Clinical College, Zhejiang Chinese Medical University, Hangzhou, China
| | - Xuli Meng
- Department of Breast Surgery, Zhejiang Provincial People's Hospital, Hangzhou, China
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Xu T, Zhang J, Yang C, Pluta R, Wang G, Ye T, Ouyang L. Identification and optimization of 3-bromo-N'-(4-hydroxybenzylidene)-4-methylbenzohydrazide derivatives as mTOR inhibitors that induce autophagic cell death and apoptosis in triple-negative breast cancer. Eur J Med Chem 2021; 219:113424. [PMID: 33862514 DOI: 10.1016/j.ejmech.2021.113424] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2021] [Revised: 03/17/2021] [Accepted: 03/28/2021] [Indexed: 02/05/2023]
Abstract
Triple negative breast cancer (TNBC) has a worse prognosis than other types of breast cancer due to its special biological behavior and clinicopathological characteristics. TNBC cell proliferation and progression to metastasis can be suppressed by inducing cytostatic autophagy. mTOR is closely related to autophagy and is involved in protein synthesis, nutrient metabolism and activating mTOR promotes tumor growth and metastasis. In this paper, we adopted the strategy of structure simplification, aimed to look for novel small-molecule inhibitors of mTOR by pharmacophore-based virtual screening and biological activity determination. We found a lead compound with 3-bromo-N'-(4-hydroxybenzylidene)-4-methylbenzohydrazide for rational drug design and structural modification, then studied its structure-activity relationship. After that, compound 7c with the best TNBC cells inhibitory activities and superior mTOR enzyme inhibitory activity was obtained. In addition, we found that compound 7c could induce autophagic cell death and apoptosis in MDA-MB-231 and MDA-MB-468 cell lines. In conclusion, these findings provide new clues for our 3-bromo-N'-(4-hydroxybenzylidene)-4-methylbenzohydrazide derivatives, which are expected to become drug candidates for the treatment of TNBC in the future.
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Affiliation(s)
- Tian Xu
- State Key Laboratory of Biotherapy and Cancer Center, Sichuan University-Oxford University Huaxi Gastrointestinal Cancer Centre, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Jifa Zhang
- State Key Laboratory of Biotherapy and Cancer Center, Sichuan University-Oxford University Huaxi Gastrointestinal Cancer Centre, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Chengcan Yang
- State Key Laboratory of Biotherapy and Cancer Center, Sichuan University-Oxford University Huaxi Gastrointestinal Cancer Centre, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Ryszard Pluta
- Laboratory of Ischemic and Neurodegenerative Brain Research, Mossakowski Medical Research Institute, Polish Academy of Sciences, Warsaw, Poland
| | - Guan Wang
- State Key Laboratory of Biotherapy and Cancer Center, Sichuan University-Oxford University Huaxi Gastrointestinal Cancer Centre, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, 610041, China.
| | - Tinghong Ye
- State Key Laboratory of Biotherapy and Cancer Center, Sichuan University-Oxford University Huaxi Gastrointestinal Cancer Centre, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, 610041, China.
| | - Liang Ouyang
- State Key Laboratory of Biotherapy and Cancer Center, Sichuan University-Oxford University Huaxi Gastrointestinal Cancer Centre, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, 610041, China; State Key Laboratory of Esophageal Cancer Prevention and Treatment, Zhengzhou University, Zhengzhou, 450001, China.
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PAM50 Intrinsic Subtype Profiles in Primary and Metastatic Breast Cancer Show a Significant Shift toward More Aggressive Subtypes with Prognostic Implications. Cancers (Basel) 2021; 13:cancers13071592. [PMID: 33808271 PMCID: PMC8037951 DOI: 10.3390/cancers13071592] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2021] [Revised: 03/16/2021] [Accepted: 03/25/2021] [Indexed: 11/17/2022] Open
Abstract
Simple Summary The majority of breast cancer deaths are caused by the spread of the disease to distant locations. The biological processes and molecular characteristics that eventually transform breast cancer into a life-threatening metastatic disease are not fully understood. The molecular subtyping of breast cancer into four tumor subtypes—namely luminal A, luminal B, human epidermal growth factor receptor 2-enriched, and basal-like subtypes—has been implemented for therapeutic guidance in patients with early breast cancer. It is not settled whether molecular subtypes in metastatic tissue can guide the choice of systemic therapy and how these subtypes may change throughout tumor progression. In this study, breast cancer subtypes at different stages of the disease were investigated, and we found changes to more unfavorable subtypes to be common throughout the progression of the disease. These findings suggests that molecular subtyping in metastatic disease could add important prognostic and predictive information to complement information from the primary tumor. Abstract Background: PAM50 breast cancer intrinsic subtyping adds prognostic information in early breast cancer; however, the role in metastatic disease is unclear. We aimed to identify PAM50 subtypes in primary tumors (PTs) and metastases to outline subtype changes and their prognostic role. Methods: RNA was isolated from PTs, lymph node metastases (LNMs), and distant metastases (DMs) in metastatic breast cancer patients (n = 140) included in a prospective study (NCT01322893). Gene expression analyses were performed using the Breast Cancer 360 (BC360) assay from Nano-String. The subtype shifts were evaluated using McNemar and symmetry tests, and clinical outcomes were evaluated with log-rank tests and Cox regression. Results: The PAM50 subtype changed in 25/59 of paired samples between PTs and LNMs (Psymmetry = 0.002), in 31/61 between PTs and DMs (Psymmetry < 0.001), and in 16/38 between LNMs and DMs (Psymmetry = 0.004). Shifts toward subtypes with worse outcomes were the most common. Patients with shifts from the luminal PT to non-luminal DM subtypes had worse progression-free survival compared to patients with a stable subtype (hazard ratio (HR): 2.3; 95% confidence interval (CI): 1.14–4.68, p = 0.02). Conclusion: Strong evidence of PAM50 subtype shifts toward unfavorable subtypes were seen between PTs and metastatic samples. For patients with a shift in subtype from luminal PT to non-luminal DM, a worse prognosis was noted.
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Lin CC, Yang WH, Lin YT, Tang X, Chen PH, Ding CKC, Qu DC, Alvarez JV, Chi JT. DDR2 upregulation confers ferroptosis susceptibility of recurrent breast tumors through the Hippo pathway. Oncogene 2021; 40:2018-2034. [PMID: 33603168 PMCID: PMC7988308 DOI: 10.1038/s41388-021-01676-x] [Citation(s) in RCA: 55] [Impact Index Per Article: 18.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2020] [Revised: 01/18/2021] [Accepted: 01/22/2021] [Indexed: 01/30/2023]
Abstract
Recurrent breast cancer presents significant challenges with aggressive phenotypes and treatment resistance. Therefore, novel therapeutics are urgently needed. Here, we report that murine recurrent breast tumor cells, when compared with primary tumor cells, are highly sensitive to ferroptosis. Discoidin Domain Receptor Tyrosine Kinase 2 (DDR2), the receptor for collagen I, is highly expressed in ferroptosis-sensitive recurrent tumor cells and human mesenchymal breast cancer cells. EMT regulators, TWIST and SNAIL, significantly induce DDR2 expression and sensitize ferroptosis in a DDR2-dependent manner. Erastin treatment induces DDR2 upregulation and phosphorylation, independent of collagen I. Furthermore, DDR2 knockdown in recurrent tumor cells reduces clonogenic proliferation. Importantly, both the ferroptosis protection and reduced clonogenic growth may be compatible with the compromised YAP/TAZ upon DDR2 inhibition. Collectively, these findings identify the important role of EMT-driven DDR2 upregulation in recurrent tumors in maintaining growth advantage but activating YAP/TAZ-mediated ferroptosis susceptibility, providing potential strategies to eradicate recurrent breast cancer cells with mesenchymal features.
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Affiliation(s)
- Chao-Chieh Lin
- Department of Molecular Genetics and Microbiology, Duke University School of Medicine, Durham, NC 27710, USA,Center for Genomic and Computational Biology, Duke University School of Medicine, Durham, NC 27710, USA
| | - Wen-Hsuan Yang
- Department of Molecular Genetics and Microbiology, Duke University School of Medicine, Durham, NC 27710, USA,Center for Genomic and Computational Biology, Duke University School of Medicine, Durham, NC 27710, USA
| | - Yi-Tzu Lin
- Department of Molecular Genetics and Microbiology, Duke University School of Medicine, Durham, NC 27710, USA,Center for Genomic and Computational Biology, Duke University School of Medicine, Durham, NC 27710, USA
| | - Xiaohu Tang
- Department of Biological Sciences, Michigan Technological University, Houghton, MI 49931, USA
| | - Po-Han Chen
- Department of Molecular Genetics and Microbiology, Duke University School of Medicine, Durham, NC 27710, USA,Center for Genomic and Computational Biology, Duke University School of Medicine, Durham, NC 27710, USA
| | - Chien-Kuang Cornelia Ding
- Department of Molecular Genetics and Microbiology, Duke University School of Medicine, Durham, NC 27710, USA,Center for Genomic and Computational Biology, Duke University School of Medicine, Durham, NC 27710, USA
| | - Dan Chen Qu
- Department of Molecular Genetics and Microbiology, Duke University School of Medicine, Durham, NC 27710, USA,Center for Genomic and Computational Biology, Duke University School of Medicine, Durham, NC 27710, USA
| | - James V. Alvarez
- Department of Pharmacology and Cancer Biology, Duke University School of Medicine, Durham, NC 27710, USA
| | - Jen-Tsan Chi
- Department of Molecular Genetics and Microbiology, Duke University School of Medicine, Durham, NC 27710, USA,Center for Genomic and Computational Biology, Duke University School of Medicine, Durham, NC 27710, USA;,Correspondence: Jen-Tsan Ashley Chi, Department of Molecular Genetics and Microbiology, Center for Genomic and Computational Biology, Duke University School of Medicine, Durham, NC 27710, USA. TEL: (919) 668-4759,
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Ramamoorthi G, Kodumudi K, Gallen C, Zachariah NN, Basu A, Albert G, Beyer A, Snyder C, Wiener D, Costa RLB, Czerniecki BJ. Disseminated cancer cells in breast cancer: Mechanism of dissemination and dormancy and emerging insights on therapeutic opportunities. Semin Cancer Biol 2021; 78:78-89. [PMID: 33626407 DOI: 10.1016/j.semcancer.2021.02.004] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2020] [Revised: 12/22/2020] [Accepted: 02/07/2021] [Indexed: 02/07/2023]
Abstract
Metastatic spread in breast cancer patients is the major driver of cancer-related deaths. A unique subset of cells disseminated from pre-invasive or primary tumor lesions are recognized as the main seeds for metastatic outgrowth. Disseminated cancer cells (DCCs) can migrate to distant organs and settle in a dormant state for a prolonged period until they emerge to overt metastases. Understanding the biology of breast cancer cells dissemination, dormancy and reactivation to form overt metastases has become an important focus. In this review, we discuss the recent advancements of molecular pathways involving breast cancer cell dissemination, role of chemokine-chemokine receptor networks in DCCs migration, DCCs phenotypic heterogeneity and unique genes signatures in tumor dormancy, microenvironmental regulation and specific niches that favors DCCs homing and dormancy. In addition, we also discuss recent findings relating to the role of immune response on DCC dissemination and dormancy. With recent advances in the field of immunotherapy/targeted therapy and its beneficial effects in cancer treatment, this review will focus on their impact on DCCs, reversal of stemness, tumor dormancy and metastatic relapse.
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Affiliation(s)
- Ganesan Ramamoorthi
- Clinical Science & Immunology Program, H. Lee Moffitt Cancer Center, Tampa, FL, United States
| | - Krithika Kodumudi
- Clinical Science & Immunology Program, H. Lee Moffitt Cancer Center, Tampa, FL, United States
| | - Corey Gallen
- Clinical Science & Immunology Program, H. Lee Moffitt Cancer Center, Tampa, FL, United States
| | - Nadia Nocera Zachariah
- Clinical Science & Immunology Program, H. Lee Moffitt Cancer Center, Tampa, FL, United States; Department of Breast Oncology H. Lee Moffitt Cancer Center, Tampa, FL, United States
| | - Amrita Basu
- Clinical Science & Immunology Program, H. Lee Moffitt Cancer Center, Tampa, FL, United States
| | - Gabriella Albert
- Clinical Science & Immunology Program, H. Lee Moffitt Cancer Center, Tampa, FL, United States
| | - Amber Beyer
- Clinical Science & Immunology Program, H. Lee Moffitt Cancer Center, Tampa, FL, United States
| | - Colin Snyder
- Clinical Science & Immunology Program, H. Lee Moffitt Cancer Center, Tampa, FL, United States
| | - Doris Wiener
- Clinical Science & Immunology Program, H. Lee Moffitt Cancer Center, Tampa, FL, United States
| | - Ricardo L B Costa
- Clinical Science & Immunology Program, H. Lee Moffitt Cancer Center, Tampa, FL, United States; Department of Breast Oncology H. Lee Moffitt Cancer Center, Tampa, FL, United States
| | - Brian J Czerniecki
- Clinical Science & Immunology Program, H. Lee Moffitt Cancer Center, Tampa, FL, United States; Department of Breast Oncology H. Lee Moffitt Cancer Center, Tampa, FL, United States.
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Tang J, Zhao GX, Deng SS, Xu M. Rare common bile duct metastasis of breast cancer: A case report and literature review. World J Gastrointest Oncol 2021; 13:147-156. [PMID: 33643530 PMCID: PMC7896423 DOI: 10.4251/wjgo.v13.i2.147] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/06/2020] [Revised: 12/11/2020] [Accepted: 12/27/2020] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND Breast cancer is the most common tumor in women, and about one-third of cases develop metastatic disease. However, metastatic breast cancer rarely invades the common bile duct (CBD) directly without involving the liver, and involvement of the gastrointestinal tract is rare. Cases of such metastases pose a particular diagnostic challenge.
CASE SUMMARY A 55-year-old female presented to the Department of Gastroenterology with complaint of a 2 mo history of right upper abdominal pain accompanied by pain in the right back, aggravated after eating greasy diet. The patient had received a diagnosis of breast cancer 3 years prior. Physical examination showed obvious superficial protuberant erythema on the left neck and chest skin, with slight tenderness and burning sensation. Endoscopic retrograde cholangiopancre-atography showed an obstruction at the end of the CBD. Histopathology of the CBD and symptomatic skin biopsies showed positivity for cytokeratin 7 and trans-acting T-cell-specific transcription factor breast cancer biomarkers. A cancer embolus was also found in the skin vasculature. Accordingly, the diagnosis of breast cancer metastases to the skin and biliary ducts was made. A plastic biliary sent was placed, which relieved the right upper abdominal pain and protected against unnecessary hepatectomy surgery.
CONCLUSION Although rare, biliary metastasis should be considered in patients with bile duct stenosis and a history of breast cancer.
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Affiliation(s)
- Jie Tang
- Department of Gastroenterology, Shanghai East Hospital, Tongji University School of Medicine, Shanghai 200120, China
| | - Guang-Xi Zhao
- Department of Gastroenterology, Shanghai East Hospital, Tongji University School of Medicine, Shanghai 200120, China
| | - Shuang-Shuang Deng
- Department of Pathology, Shanghai East Hospital, Tongji University School of Medicine, Shanghai 200120, China
| | - Ming Xu
- Department of Gastroenterology, Pudong New Area People's Hospital, Shanghai University of Medicine & Health Sciences, Shanghai 201200, China
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Bertho M, Fraisse J, Patsouris A, Cottu P, Arnedos M, Pérol D, Jaffré A, Goncalves A, Lebitasy MP, D’Hondt V, Dalenc F, Ferrero JM, Levy C, Dabakuyo S, Rouzier R, Penault-Llorca F, Uwer L, Eymard JC, Breton M, Chevrot M, Thureau S, Petit T, Simon G, Frénel JS. Real-life prognosis of 5041 bone-only metastatic breast cancer patients in the multicenter national observational ESME program. Ther Adv Med Oncol 2021; 13:1758835920987657. [PMID: 33613700 PMCID: PMC7841864 DOI: 10.1177/1758835920987657] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2020] [Accepted: 12/17/2020] [Indexed: 12/24/2022] Open
Abstract
BACKGROUND Bone-only (BO) metastatic breast cancer (MBC) is considered a more favorable entity than other MBC presentations. However, only few retrospective series and data from selected randomized controlled trials have been reported so far. METHODS Using the French national multicenter ESME (Epidemiological Strategy and Medico Economics) Data Platform, the primary objective of our study was to compare the overall survival (OS) of patients with BO versus non-BO MBC at diagnosis, with adjustment on main prognostic factors using a propensity score. Secondary objectives were to compare first-line progression-free survival (PFS1), describe treatment patterns, and estimate factors associated with OS. RESULTS Out of 20,095 eligible women, 5041 (22.4%) patients had BO disease [hormone-receptor positive (HR+)/human epidermal growth-factor-receptor-2 negative (HER2-), n = 4 102/13,229 (31%); HER2+, n = 644/3909 (16.5%); HR-/HER2-, n = 295/2 957 (10%)]. BO MBC patients had a better adjusted OS compared with non-BO MBC [52.1 months (95% confidence interval (CI) 50.3-54.1) versus 34.7 months (95% CI 34.0-35.6) respectively]. The 5-year OS rate of BO MBC patients was 43.4% (95% CI 41.7-45.2). They also had a better PFS1 [13.1 months (95% CI 12.6-13.8) versus 8.5 months (95% CI 8.3-8.7), respectively]. This observation could be repeated in all subtypes. BO disease was an independent prognostic factor of OS [hazard ratio 0.68 (95% CI 0.65-0.72), p < 0.0001]. Results were concordant in all analyses. CONCLUSION BO MBC patients have better outcomes compared with non-BO MBC, consistently, through all MBC subtypes.
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Affiliation(s)
- Marion Bertho
- Department of Medical Oncology, Institut de Cancérologie de l’Ouest – Paul Papin, Angers, France
| | - Julien Fraisse
- Biometrics Unit, Regional Cancer Institute of Montpellier (ICM), Montpellier, France
| | - Anne Patsouris
- Department of Medical Oncology, Institut de Cancérologie de l’Ouest – Paul Papin, Angers, France
| | - Paul Cottu
- Department of Medical Oncology, Institut Curie, Paris, France
| | - Monica Arnedos
- Department of Medical Oncology, Gustave Roussy Cancer Campus, Villejuif, France
| | - David Pérol
- Biostatistic Unit, Clinical Research and Innovation Department, Centre Léon Bérard, Lyon, France
| | - Anne Jaffré
- Department of Medical Information, Institut Bergonié, Bordeaux, France
| | - Anthony Goncalves
- Department of Medical Oncology, Institut Paoli-Calmettes, Marseille, France
| | - Marie-Paule Lebitasy
- Clinical Research and Innovation Department, Centre Oscar Lambret, Lille, France
| | - Véronique D’Hondt
- Department of Medical Oncology, Institut du Cancer de Montpellier, Montpellier, France
| | - Florence Dalenc
- Department of Medical Oncology, Institut Claudius Regaud, IUCT-Oncopole, Toulouse, France
| | - Jean-Marc Ferrero
- Department of Medical Oncology, Institut Centre Antoine Lacassagne, Nice, France
| | - Christelle Levy
- Department of Medical Oncology, Centre François Baclesse, Caen, France
| | - Sandrine Dabakuyo
- National Quality of Life and Cancer Clinical Research Platform, Centre Georges François Leclerc, Dijon, France
| | - Roman Rouzier
- Department of Surgical Oncology, Institut Curie, Saint-Cloud, France
| | | | - Lionel Uwer
- Department of Medical Oncology, Institut de Cancérologie de Lorraine, Vandoeuvre-lès- Nancy, France
| | | | - Mathias Breton
- Department of Medical Information, Centre Eugène Marquis, Rennes, France
| | | | - Sébastien Thureau
- Department of Radiation Oncology, Centre Henri Becquerel, Rouen, France
| | - Thierry Petit
- Department of Medical Oncology, Centre Paul Strauss, Strasbourg, France
| | | | - Jean-Sébastien Frénel
- Department of Medical Oncology, ICO René Gauducheau, Boulevard Jacques Monod, Saint Herblain, Pays de la Loire 44805, France
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Wang N, Muhetaer G, Zhang X, Yang B, Wang C, Zhang Y, Wang X, Zhang J, Wang S, Zheng Y, Zhang F, Wang Z. Sanguisorba officinalis L. Suppresses Triple-Negative Breast Cancer Metastasis by Inhibiting Late-Phase Autophagy via Hif-1α/Caveolin-1 Signaling. Front Pharmacol 2020; 11:591400. [PMID: 33381039 PMCID: PMC7768086 DOI: 10.3389/fphar.2020.591400] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2020] [Accepted: 10/13/2020] [Indexed: 12/13/2022] Open
Abstract
Sanguisorba officinalis L. (SA) is a common herb for cancer treatment in the clinic, particularly during the consolidation phase to prevent occurrence or metastasis. Nevertheless, there are limited studies reporting the molecular mechanisms about its anti-metastatic function. It is well demonstrated that autophagy is one of the critical mechanisms accounting for metastasis and anti-cancer pharmacological actions of Chinese herbs. On the threshold, the regulatory effects and molecular mechanisms of SA in suppressing autophagy-related breast cancer metastasis were investigated in this study. In vitro findings demonstrated that SA potently suppressed the proliferation, colony formations well as metastasis process in triple-negative breast cancer. Network and biological analyses predicted that SA mainly targeted caveolin-1 (Cav-1) to induce anti-metastatic effects, and one of the core mechanisms was via regulation of autophagy. Further experiments—including western blotting, transmission electron microscopy, GFP-mRFP-LC3 immunofluorescence, and lysosomal-activity detection—validated SA as a potent late-stage autophagic inhibitor by increasing microtubule-associated light chain 3-II (LC3-II) conversion, decreasing acidic vesicular-organelle formation, and inducing lysosomal dysfunction even under conditions of either starvation or hypoxia. Furthermore, the anti-autophagic and anti-metastatic activity of SA was Cav-1-dependent. Specifically, Cav-1 knockdown significantly facilitated SA-mediated inhibition of autophagy and metastasis. Furthermore, hypoxia inducible factor-1α (Hif-1α) overexpression attenuated the SA-induced inhibitory activities on Cav-1, autophagy, and metastasis, indicating that SA may have inhibited autophagy-related metastasis via Hif-1α/Cav-1 signaling. In both mouse breast cancer xenograft and zebrafish xenotransplantation models, SA inhibited breast cancer growth and inhibited late-phase autophagy in vivo, which was accompanied by suppression of Hif-1α/Cav-1 signaling and the epithelial-mesenchymal transition. Overall, our findings not only indicate that SA acts as a novel late-phase autophagic inhibitor with anti-metastatic activities in triple-negative breast cancer, but also highlight Cav-1 as a regulator in controlling late-phase autophagic activity.
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Affiliation(s)
- Neng Wang
- The Research Center for Integrative Medicine, School of Basic Medical Sciences, Guangzhou University of Chinese Medicine, Guangdong, China
| | - Gulizeba Muhetaer
- The Research Center for Integrative Medicine, School of Basic Medical Sciences, Guangzhou University of Chinese Medicine, Guangdong, China
| | - Xiaotong Zhang
- The Research Center for Integrative Medicine, School of Basic Medical Sciences, Guangzhou University of Chinese Medicine, Guangdong, China
| | - Bowen Yang
- The Research Center for Integrative Medicine, School of Basic Medical Sciences, Guangzhou University of Chinese Medicine, Guangdong, China.,Integrative Research Laboratory of Breast Cancer, The Second Clinical College, Guangzhou University of Chinese Medicine, Guangdong, China.,Guangdong Provincial Key Laboratory of Clinical Research on Traditional Chinese Medicine Syndrome, Guangdong Provincial Academy of Chinese Medical Sciences, Guangdong Provincial Hospital of Chinese Medicine, Guangdong, China
| | - Caiwei Wang
- The Research Center for Integrative Medicine, School of Basic Medical Sciences, Guangzhou University of Chinese Medicine, Guangdong, China
| | - Yu Zhang
- The Research Center for Integrative Medicine, School of Basic Medical Sciences, Guangzhou University of Chinese Medicine, Guangdong, China
| | - Xuan Wang
- Integrative Research Laboratory of Breast Cancer, The Second Clinical College, Guangzhou University of Chinese Medicine, Guangdong, China.,Guangdong Provincial Key Laboratory of Clinical Research on Traditional Chinese Medicine Syndrome, Guangdong Provincial Academy of Chinese Medical Sciences, Guangdong Provincial Hospital of Chinese Medicine, Guangdong, China
| | - Juping Zhang
- Integrative Research Laboratory of Breast Cancer, The Second Clinical College, Guangzhou University of Chinese Medicine, Guangdong, China.,Guangdong Provincial Key Laboratory of Clinical Research on Traditional Chinese Medicine Syndrome, Guangdong Provincial Academy of Chinese Medical Sciences, Guangdong Provincial Hospital of Chinese Medicine, Guangdong, China
| | - Shengqi Wang
- Integrative Research Laboratory of Breast Cancer, The Second Clinical College, Guangzhou University of Chinese Medicine, Guangdong, China.,Guangdong Provincial Key Laboratory of Clinical Research on Traditional Chinese Medicine Syndrome, Guangdong Provincial Academy of Chinese Medical Sciences, Guangdong Provincial Hospital of Chinese Medicine, Guangdong, China
| | - Yifeng Zheng
- Integrative Research Laboratory of Breast Cancer, The Second Clinical College, Guangzhou University of Chinese Medicine, Guangdong, China.,Guangdong Provincial Key Laboratory of Clinical Research on Traditional Chinese Medicine Syndrome, Guangdong Provincial Academy of Chinese Medical Sciences, Guangdong Provincial Hospital of Chinese Medicine, Guangdong, China
| | - Fengxue Zhang
- The Research Center for Integrative Medicine, School of Basic Medical Sciences, Guangzhou University of Chinese Medicine, Guangdong, China
| | - Zhiyu Wang
- Integrative Research Laboratory of Breast Cancer, The Second Clinical College, Guangzhou University of Chinese Medicine, Guangdong, China.,Guangdong Provincial Key Laboratory of Clinical Research on Traditional Chinese Medicine Syndrome, Guangdong Provincial Academy of Chinese Medical Sciences, Guangdong Provincial Hospital of Chinese Medicine, Guangdong, China
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Yin X, Wang P, Yang T, Li G, Teng X, Huang W, Yu H. Identification of key modules and genes associated with breast cancer prognosis using WGCNA and ceRNA network analysis. Aging (Albany NY) 2020; 13:2519-2538. [PMID: 33318294 PMCID: PMC7880379 DOI: 10.18632/aging.202285] [Citation(s) in RCA: 45] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2020] [Accepted: 10/22/2020] [Indexed: 12/17/2022]
Abstract
Breast cancer is one of the leading causes of cancer-associated mortality in women worldwide and has become a major public health problem. Although the definitive cause of breast cancer is not known, many genes sensitive to breast cancer have been detected using advanced technologies. Our study identified 3301 differentially expressed lncRNAs and mRNAs between tumor and normal samples from The Cancer Genome Atlas database. Based on the gene expression analysis and clinical traits as well as weighted gene co-expression network analysis, the co-expression Brown module was found to be key for breast cancer prognosis. A total of 453 genes in the Brown module were used for functional enrichment, protein-protein interaction analysis, lncRNA-miRNA-mRNA ceRNA network, and lncRNA-RNA binding protein-mRNA network construction. GRM4, SSTR2, PARD6B, PRR15, COX6C, and lncRNA DSCAM-AS1 were the hub genes according to protein-protein interaction, lncRNA-miRNA-mRNA and lncRNA-RNA binding protein-mRNA network. Their high expression was found to be correlated with breast cancer development, according to multiple databases. In conclusion, this study provides a framework of the co-expression gene modules of breast cancer and identifies several important biomarkers in breast cancer development and prognosis.
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Affiliation(s)
- Xin Yin
- Beijing Key Laboratory of Cancer Invasion and Metastasis Research, Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Capital Medical University, Beijing 100069, China
| | - Pei Wang
- Beijing Key Laboratory of Cancer Invasion and Metastasis Research, Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Capital Medical University, Beijing 100069, China
| | - Tianshu Yang
- Beijing Key Laboratory of Cancer Invasion and Metastasis Research, Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Capital Medical University, Beijing 100069, China
| | - Gen Li
- Beijing Key Laboratory of Cancer Invasion and Metastasis Research, Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Capital Medical University, Beijing 100069, China
| | - Xu Teng
- Beijing Key Laboratory of Cancer Invasion and Metastasis Research, Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Capital Medical University, Beijing 100069, China
| | - Wei Huang
- Beijing Key Laboratory of Cancer Invasion and Metastasis Research, Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Capital Medical University, Beijing 100069, China
| | - Hefen Yu
- Beijing Key Laboratory of Cancer Invasion and Metastasis Research, Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Capital Medical University, Beijing 100069, China
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Li X, Zhang X, Liu J, Shen Y. Prognostic factors and survival according to tumour subtype in women presenting with breast cancer bone metastases at initial diagnosis: a SEER-based study. BMC Cancer 2020; 20:1102. [PMID: 33187507 PMCID: PMC7666499 DOI: 10.1186/s12885-020-07593-8] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2019] [Accepted: 10/30/2020] [Indexed: 12/25/2022] Open
Abstract
Background Tumour subtype has a significant effect on bone metastasis in breast cancer, but population-based estimates of the prognosis of patients with bone metastases at breast cancer diagnosis are lacking. The aim of this study was to analyse the influence of tumour subtype and other factors on the prognosis and survival of patients with bone metastases of breast cancer. Methods Using the Surveillance, Epidemiology, and End Results (SEER) Program data from 2012 to 2016, a retrospective cohort study was conducted to investigate stage IV breast cancer patients with bone metastases. Stage IV patient characteristics according to subtype were compared using chi-square tests. Overall survival (OS) and prognostic factors were compared using the Kaplan-Meier method and the Cox proportional hazards model, respectively. Results A total of 3384 stage IV patients were included in this study; 63.42% were HR+/HER2-, 19.86% were HR+/HER2+, 9.34% were HR−/HER2-, and 7.39% were HR−/HER2+. The median OS for the whole population was 38 months, and 33.9% of the patients were alive at 5 years. The median OS and five-year survival rate were significantly different among stage IV breast cancer patients with different molecular subtypes (p < 0.05). Multivariate Cox regression analysis showed that age of 55–59 (HR = 1.270), black race (HR = 1.317), grade III or IV (HR = 1.960), HR−/HER2- (HR = 2.808), lung metastases (HR = 1.378), liver metastases (HR = 2.085), and brain metastases (HR = 1.903) were independent risk factors for prognosis; married status (HR = 0.819), HR+/HER2+ (HR = 0.631), HR−/HER2+ (HR = 0.716), insurance (HR = 0.587) and surgery (HR = 0.504) were independent protection factors of prognosis. There was an interaction between the HR+/HER2+ subtype and other metastases (except bone metastases, HR = 0.694, 95% CI: 0.485–0.992), but the interaction between race and subtype did not reach significance for prognosis. Conclusions There were substantial differences in OS according to tumour subtype. In addition to tumour subtype, other independent predictors of OS were age at diagnosis, race, marital status, insurance, grade, surgery and visceral metastases. There was an interaction between the HR+/HER2+ subtype and other metastases (except bone metastases) for prognosis. Tumour subtype, as a significant prognostic factor, warrants further investigation.
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Affiliation(s)
- Xiao Li
- Department of Medical Affairs, Shanghai Public Health Clinical Center, Fudan University, Shanghai, China
| | - Xiaoli Zhang
- Department of Health Statistics, School of Public Health, China Medical University, Shenyang, China
| | - Jie Liu
- Department of Health Statistics, School of Public Health, China Medical University, Shenyang, China
| | - Yinzhong Shen
- Department of Medical Affairs, Shanghai Public Health Clinical Center, Fudan University, Shanghai, China. .,Department of Infection and Immunity, Shanghai Public Health Clinical Center, Fudan University, Shanghai, China.
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Amabile MI, Frusone F, De Luca A, Tripodi D, Imbimbo G, Lai S, D’Andrea V, Sorrenti S, Molfino A. Locoregional Surgery in Metastatic Breast Cancer: Do Concomitant Metabolic Aspects Have a Role on the Management and Prognosis in this Setting? J Pers Med 2020; 10:jpm10040227. [PMID: 33202793 PMCID: PMC7712935 DOI: 10.3390/jpm10040227] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2020] [Revised: 10/20/2020] [Accepted: 11/11/2020] [Indexed: 02/06/2023] Open
Abstract
Although they cannot be considered curative, the new therapeutic integrated advances in metastatic breast cancer (MBC) have substantially improved patient outcomes. Traditionally, surgery was confined to palliation of symptomatic or ulcerating lumps. Data suggest, in some cases, a possible additive role for more aggressive locoregional surgical therapy in combination with systemic treatments in the metastatic setting, although a low level of evidence has been shown in terms of improvement in overall survival in MBC patients treated with surgery and medical treatment compared to medical treatment alone. In this light, tumor heterogeneity remains a challenge. To effectively reshape the therapeutic approach to MBC, careful consideration of who is a good candidate for locoregional resection is paramount. The patient’s global health condition, impacting on cancer progression and morbidity and their associated molecular targets, have to be considered in treatment decision-making. In particular, more recently, research has been focused on the role of metabolic derangements, including the presence of metabolic syndrome, which represent well-known conditions related to breast cancer recurrence and distant metastasis and are, therefore, involved in the prognosis. In the present article, we focus on locoregional surgical strategies in MBC and whether concomitant metabolic derangements may have a role in prognosis.
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Affiliation(s)
- Maria Ida Amabile
- Department of Surgical Sciences, Sapienza University of Rome, 00161 Rome, Italy; (F.F.); (A.D.L.); (D.T.); (V.D.); (S.S.)
- Correspondence: ; Tel.: +39-06-499-72042
| | - Federico Frusone
- Department of Surgical Sciences, Sapienza University of Rome, 00161 Rome, Italy; (F.F.); (A.D.L.); (D.T.); (V.D.); (S.S.)
| | - Alessandro De Luca
- Department of Surgical Sciences, Sapienza University of Rome, 00161 Rome, Italy; (F.F.); (A.D.L.); (D.T.); (V.D.); (S.S.)
| | - Domenico Tripodi
- Department of Surgical Sciences, Sapienza University of Rome, 00161 Rome, Italy; (F.F.); (A.D.L.); (D.T.); (V.D.); (S.S.)
| | - Giovanni Imbimbo
- Department of Translational and Precision Medicine, Sapienza University of Rome, 00185 Rome, Italy; (G.I.); (S.L.); (A.M.)
| | - Silvia Lai
- Department of Translational and Precision Medicine, Sapienza University of Rome, 00185 Rome, Italy; (G.I.); (S.L.); (A.M.)
| | - Vito D’Andrea
- Department of Surgical Sciences, Sapienza University of Rome, 00161 Rome, Italy; (F.F.); (A.D.L.); (D.T.); (V.D.); (S.S.)
| | - Salvatore Sorrenti
- Department of Surgical Sciences, Sapienza University of Rome, 00161 Rome, Italy; (F.F.); (A.D.L.); (D.T.); (V.D.); (S.S.)
| | - Alessio Molfino
- Department of Translational and Precision Medicine, Sapienza University of Rome, 00185 Rome, Italy; (G.I.); (S.L.); (A.M.)
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Dynamic and subtype-specific interactions between tumour burden and prognosis in breast cancer. Sci Rep 2020; 10:15445. [PMID: 32963275 PMCID: PMC7508816 DOI: 10.1038/s41598-020-72033-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2020] [Accepted: 08/17/2020] [Indexed: 12/31/2022] Open
Abstract
We investigated the relationship between the prognostic importance of anatomic tumour burden and subtypes of breast cancer using data from the Korean Breast Cancer Registry Database. In HR+/HER2+ and HR−/HER2−tumours, an increase in T stage profoundly increased the hazard of death, while the presence of lymph node metastasis was more important in HR+/HER2+ and HR−/HER2+ tumours among 131,178 patients with stage I–III breast cancer. The patterns of increasing mortality risk and tumour growth (per centimetre) and metastatic nodes (per node) were examined in 67,038 patients with a tumour diameter ≤ 7 cm and < 8 metastatic nodes. HR+/HER2− and HR−/HER2− tumours showed a persistent increase in mortality risk with an increase in tumour diameter, while the effect was modest in HER2+ tumours. Conversely, an increased number of metastatic nodes was accompanied by a persistently increased risk in HR−/HER2+ tumours, while the effect was minimal for HR−/HER2− tumours with > 3 or 4 nodes. The interactions between the prognostic significance of anatomic tumour burden and subtypes were significant. The prognostic relevance of the anatomic tumour burden was non-linear and highly dependent on the subtypes of breast cancer.
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40
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Yang H, Wang R, Zeng F, Zhao J, Peng S, Ma Y, Chen S, Ding S, Zhong L, Guo W, Wang W. Impact of molecular subtypes on metastatic behavior and overall survival in patients with metastatic breast cancer: A single-center study combined with a large cohort study based on the Surveillance, Epidemiology and End Results database. Oncol Lett 2020; 20:87. [PMID: 32863920 PMCID: PMC7436893 DOI: 10.3892/ol.2020.11948] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2020] [Accepted: 07/06/2020] [Indexed: 02/06/2023] Open
Abstract
Breast cancer is a highly heterogeneous disease at the molecular level and >90% of mortalities are due to metastasis and its associated complications. The present study determined the impact of molecular subtypes on metastatic behavior and overall survival (OS) of patients with metastatic breast cancer. The influence of molecular subtypes on the sites and number of metastases in 166 patients with metastatic breast cancer from a single center were assessed; and the influence of molecular subtypes on the sites and number of metastases and OS in 15,322 metastatic cases among 329,770 patients with primary breast cancer from the Surveillance, Epidemiology and End Results database were assessed. Analysis of both datasets revealed that different molecular subtypes exhibited differences in the prevalence of different metastatic sites and number of metastases. A larger proportion of bone metastasis was observed in the hormone receptor (HR)+/human epidermal growth factor receptor 2 (HER2)+ subtype than in other subtypes, more lung metastasis was observed in the HR-/HER2+ subtype and more liver metastasis occurred in the HR+/HER2+ and HR-/HER2+ subtypes. Single-site metastasis was more common for the HR+/HER2- subtype than in other subtypes, while 2-3 sites of metastases were more common for the HR+/HER2+ subtype and ≥4 sites of metastases were more frequent in the HR-/HER2+ and HR-/HER2- subtypes. The mean OS of patients with primary breast cancer in the HR+/HER2- subtype group was the longest (78.5 months), while the HR-/HER2- group had the shortest mean OS (69.1 months). The mean OS of the metastatic HR+/HER2+ group was the longest (46.0 months), while the mean OS of the metastatic HR-/HER2- group was the shortest (18.5 months). In conclusion, the results of the present study suggested that different molecular subtypes of breast cancer have different metastatic behavior, as well as mean OS.
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Affiliation(s)
- Hong Yang
- Department of Radiation Oncology, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong 510515, P.R. China.,Department of Oncology, Hunan Provincial People's Hospital and The First Affiliated Hospital of Hunan Normal University, Changsha, Hunan 410000, P.R. China
| | - Rong Wang
- Department of Radiation Oncology, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong 510515, P.R. China
| | - Furen Zeng
- Department of Oncology, Hunan Provincial People's Hospital and The First Affiliated Hospital of Hunan Normal University, Changsha, Hunan 410000, P.R. China
| | - Jie Zhao
- Department of Pathology, Hunan Provincial People's Hospital and The First Affiliated Hospital of Hunan Normal University, Changsha, Hunan 410000, P.R. China
| | - Shunli Peng
- Department of Radiation Oncology, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong 510515, P.R. China
| | - Yueyun Ma
- Department of Radiation Oncology, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong 510515, P.R. China
| | - Shiyu Chen
- Department of Radiation Oncology, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong 510515, P.R. China
| | - Sijie Ding
- Department of Radiation Oncology, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong 510515, P.R. China
| | - Longhui Zhong
- Department of Radiation Oncology, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong 510515, P.R. China
| | - Wei Guo
- Department of Pathology, Hunan Provincial People's Hospital and The First Affiliated Hospital of Hunan Normal University, Changsha, Hunan 410000, P.R. China
| | - Wei Wang
- Department of Radiation Oncology, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong 510515, P.R. China
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Zhen Y, Zhao R, Wang M, Jiang X, Gao F, Fu L, Zhang L, Zhou XL. Flubendazole elicits anti-cancer effects via targeting EVA1A-modulated autophagy and apoptosis in Triple-negative Breast Cancer. Am J Cancer Res 2020; 10:8080-8097. [PMID: 32724459 PMCID: PMC7381743 DOI: 10.7150/thno.43473] [Citation(s) in RCA: 46] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2019] [Accepted: 06/18/2020] [Indexed: 02/07/2023] Open
Abstract
Background: Triple-negative breast cancer (TNBC) is one of the most prevalent neoplastic diseases worldwide, but efficacious treatments for this pathological condition are still challenging. The lack of an effective targeted therapy also leads to a poor prognosis for patients affected by TNBC. In the present study, we repurposed the distinctive inhibitory effects of flubendazole, a traditional anthelmintic drug, towards the putative modulation of proliferation and migration of TNBC in vitro and in vivo. Methods: According to a series of experimental approaches, including immunofluorescence (IF), immunoblotting (IB), siRNA and GFP-mRFP-LC3 plasmid transfection, respectively, we have found that flubendazole is capable of inducing autophagic cell death and apoptosis, thus exerting some anti-proliferative and anti-migration activity in TNBC cells. The therapeutic effects of flubendazole were evaluated by xenograft mouse models, followed by immunohistochemistry (IHC), IF and IB. Changes in the gene expression profiles of flubendazole-treated TNBC cells were analyzed by RNA sequencing (RNA-seq) and validated by IB. The potential binding mode of flubendazole and EVA1A was predicted by molecular docking and demonstrated by site-directed mutagenesis. Results: We have presently found that flubendazole exhibits a considerable anti-proliferative activity in vitro and in vivo. Mechanistically, the induction of autophagic cell death appears to be pivotal for flubendazole-mediated growth inhibition of TNBC cells, whereas blocking autophagy was able to improve the survival rate and migration ability of flubendazole-treated TNBC cells. Specifically, RNA-seq analysis showed that flubendazole treatment could promote the up-regulation of EVA1A. Flubendazole may regulate autophagy and apoptosis by targeting EVA1A, thus affecting the mechanisms of TNBC proliferation and migration. Furthermore, Thr113 may be the key amino acid residues for the binding of flubendazole to EVA1A. Conclusion: Our results provide novel insights towards the putative anti-cancer efficacy of flubendazole. Furthermore, here we show that flubendazole could serve as a potential therapeutic drug in TNBC. Altogether, this study highlights the possibility of this repurposed autophagic inducer for future cancer treatments.
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42
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Zou L, Imani S, Maghsoudloo M, Shasaltaneh MD, Gao L, Zhou J, Wen Q, Liu S, Zhang L, Chen G. Genome‑wide copy number analysis of circulating tumor cells in breast cancer patients with liver metastasis. Oncol Rep 2020; 44:1075-1093. [PMID: 32705227 PMCID: PMC7388446 DOI: 10.3892/or.2020.7650] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2019] [Accepted: 05/12/2020] [Indexed: 12/15/2022] Open
Abstract
The genome‑wide copy number analysis of circulating tumor cells (CTCs) provides a promising prognostic biomarker for survival in breast cancer liver metastasis (BCLM) patients. The present study aimed to confirm the prognostic value of the presence of CTCs in BCLM patients. We previously developed an assay for the genome‑wide pattern differences in copy number variations (CNVs) as an adjunct test for the routine imaging and histopathologic diagnosis methods to distinguish newly diagnosed liver metastases and recurrent liver metastases. Forty‑three breast cancer patients were selected for this study in which 23 newly diagnosed and 20 recurrent liver metastases were diagnosed by histopathology and 18F‑FDG PET/CT imaging. CTCs were counted from all patients using the CellSearch system and were confirmed by cytomorphology and three‑color immunocytochemistry. Genomic DNA of single CTCs was amplified using multiple annealing and looping based amplification cycles (MALBAC). Then, we compared the CTC numbers of newly diagnosed and recurrent BCLM patients using Illumina platforms. A high CTC frequency (>15 CTCs/7.5 ml blood) was found to be correlated with disease severity and metastatic progression, which suggests the value for CTCs in the diagnosis of BCLM in comparison with pathohistology and PET/CT imaging (P>0.05). Moreover, CTCs isolated from BCLM patients remained an independent prognostic detection factor associated with overall survival (P=0.0041). Comparison between newly diagnosed and recurrent liver metastases revealed different frequencies of CNVs (P>0.05). Notably, the CNV pattern of isolated CTCs of recurrent BCLM patients was similar to recurrent liver metastases (nearly 82% of the gain/loss regions). Functional enrichment analysis identified 25 genes as a CNV signature of BCLM. Among them, were defensin and β‑defensin genes, which are significantly associated with anti‑angiogenesis and immunomodulation signaling pathways. High CTC frequencies are effective in the evaluation and differentiation between newly diagnosed liver metastases from recurrent liver metastases. Future clinical studies will be necessary to fully determine the prognostic potential of CTC cluster signatures in patients with BCLM.
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Affiliation(s)
- Linglin Zou
- Department of Oncology, The Affiliated Hospital of Southwest Medical University, Southwest Medical University, Luzhou, Sichuan 646000, P.R. China
| | - Saber Imani
- Department of Oncology, The Affiliated Hospital of Southwest Medical University, Southwest Medical University, Luzhou, Sichuan 646000, P.R. China
| | - Mazaher Maghsoudloo
- Laboratory of Systems Biology and Bioinformatics (LBB), Institute of Biochemistry and Biophysics, University of Tehran, Tehran 1417614411, Iran
| | | | - Lanyang Gao
- Sichuan Provincial Center for Gynaecology and Breast Disease, The Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan 646000, P.R. China
| | - Jia Zhou
- School of Humanities and Management Science, Southwest Medical University, Luzhou, Sichuan 646000, P.R. China
| | - Qinglian Wen
- Department of Oncology, The Affiliated Hospital of Southwest Medical University, Southwest Medical University, Luzhou, Sichuan 646000, P.R. China
| | - Shuya Liu
- Department of Oncology, The Affiliated Hospital of Southwest Medical University, Southwest Medical University, Luzhou, Sichuan 646000, P.R. China
| | - Leisheng Zhang
- The Postdoctoral Research Station, School of Medicine, Nankai University, Tianjin 300071, P.R. China
| | - Gang Chen
- Department of Medical Equipment, The Affiliated Hospital of Southwest Medical University, Southwest Medical University, Luzhou, Sichuan 646000, P.R. China
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Xu W, Yang Y, Hu Z, Head M, Mangold KA, Sullivan M, Wang E, Saha P, Gulukota K, Helseth DL, Guise T, Prabhkar BS, Kaul K, Schreiber H, Seth P. LyP-1-Modified Oncolytic Adenoviruses Targeting Transforming Growth Factor β Inhibit Tumor Growth and Metastases and Augment Immune Checkpoint Inhibitor Therapy in Breast Cancer Mouse Models. Hum Gene Ther 2020; 31:863-880. [PMID: 32394753 DOI: 10.1089/hum.2020.078] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
We report here the development of oncolytic adenoviruses (Ads) that have reduced toxicity, enhanced tumor tropism, produce strong antitumor response, and can overcome resistance to immune checkpoint inhibitor therapy in breast cancer. We have shown that LyP-1 receptor (p32) is highly expressed on the surface of breast cancer cells and tumors from cancer patients, and that increased stromal expression of transforming growth factor β-1 (TGFβ-1) is associated with triple-negative breast cancer. Therefore, we constructed oncolytic Ads, AdLyp.sT and mHAdLyp.sT, in which the p32-binding LyP-1 peptide was genetically inserted into the adenoviral fiber protein. Both AdLyp.sT and mHAdLyp.sT express sTGFβRIIFc, a TGFβ decoy that can inhibit TGFβ pathways. mHAdLyp.sT is an Ad5/48 chimeric hexon virus in which hypervariable regions (HVRs 1-7) of Ad5 are replaced with the corresponding Ad48 HVRs. AdLyp.sT and mHAdLyp.sT exhibited better binding, replication, and produced higher sTGFβRIIFc protein levels in breast cancer cell lines compared with Ad.sT or mHAd.sT control viruses without LyP-1 peptide modification. Systemic delivery of mHAdLyp.sT in mice resulted in reduced hepatic/systemic toxicity compared with Ad.sT and AdLyp.sT. Intravenous delivery of AdLyp.sT and mHAdLyp.sT elicited a strong antitumor response in a human MDA-MB-231 bone metastasis model in mice, as indicated by bioluminescence imaging, radiographic tumor burden, serum TRACP 5b and calcium, and body weight analyses. Furthermore, intratumoral delivery of AdLyp.sT in 4T1 model in immunocompetent mice inhibited tumor growth and metastases, and augmented anti-PD-1 and anti-CTLA-4 therapy. Based on these studies, we believe that AdLyp.sT and mHAdLyp.sT can be developed as potential targeted immunotherapy agents for the treatment of breast cancer.
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Affiliation(s)
- Weidong Xu
- Gene Therapy Program, Department of Medicine, NorthShore Research Institute, An Affiliate of the University of Chicago, Evanston, Illinois, USA
| | - Yuefeng Yang
- Gene Therapy Program, Department of Medicine, NorthShore Research Institute, An Affiliate of the University of Chicago, Evanston, Illinois, USA.,Department of Experimental Medical Science and Key Laboratory of Diagnosis and Treatment of Digestive System Tumors of Zhejiang Province, HwaMei Hospital, University of Chinese Academy of Sciences, Ningbo, P.R. China
| | - Zebin Hu
- Gene Therapy Program, Department of Medicine, NorthShore Research Institute, An Affiliate of the University of Chicago, Evanston, Illinois, USA.,National Institutes for Food and Drug Control (NIFDC), Beijing, P.R. China
| | - Maria Head
- Department of Pathology and Laboratory Medicine
| | | | | | - Edward Wang
- Biostatistics and Clinical Research Informatics, Department of Surgery
| | | | - Kamalakar Gulukota
- Center for Personalized Medicine; NorthShore University HealthSystem, Evanston, Illinois, USA
| | - Donald L Helseth
- Center for Personalized Medicine; NorthShore University HealthSystem, Evanston, Illinois, USA
| | - Theresa Guise
- Department of Medicine, Indiana University School of Medicine, Indianapolis, Indiana, USA
| | - Bellur S Prabhkar
- Department of Microbiology and Immunology, University of Illinois College of Medicine, Chicago, Illinois, USA
| | - Karen Kaul
- Department of Pathology and Laboratory Medicine
| | - Hans Schreiber
- Department of Pathology, The University of Chicago, Chicago, Illinois, USA
| | - Prem Seth
- Gene Therapy Program, Department of Medicine, NorthShore Research Institute, An Affiliate of the University of Chicago, Evanston, Illinois, USA
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Ekpe E, Shaikh AJ, Shah J, Jacobson JS, Sayed S. Metastatic Breast Cancer in Kenya: Presentation, Pathologic Characteristics, and Patterns-Findings From a Tertiary Cancer Center. J Glob Oncol 2020; 5:1-11. [PMID: 31291138 PMCID: PMC6690618 DOI: 10.1200/jgo.19.00036] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022] Open
Abstract
PURPOSE The purpose of this research was to describe the sociodemographic and clinical characteristics of Kenyan women with metastatic breast cancer diagnosed and treated at Aga Khan University Hospital in Nairobi, Kenya from 2012 to 2018. PATIENTS AND METHODS We reviewed charts of Kenyan women with metastatic breast cancer and analyzed sociodemographic data, breast cancer risk factors, and tumor characteristics associated with stage at diagnosis, receptor status (ie, estrogen receptor, progesterone receptor, and human epidermal growth factor receptor 2 [HER2]), and site of metastasis using χ2, analysis of variance, two-sample t tests, and logistic regressions. RESULTS A total of 125 cases with complete medical records were included in the analysis. Forty women (32%) had metastases at diagnosis. Of the others, those diagnosed in stage III developed metastases sooner than those diagnosed in stage II (P < .001). Fifty-eight percent of patients had metastases to bone, 14% to brain, 57% to lungs, and 50% to liver. Seventy-four percent of patients presented with more than one metastatic site. Metastases to bone were associated with greater age at diagnosis (P = .02) and higher parity (P = .04), and metastases to the brain were associated with early menopause (P = .04), lower parity (P = .04), and lack of breastfeeding (P = .01). Patients whose tumors were triple negative (estrogen receptor-negative, progesterone receptor-negative, and HER2 negative) were more likely to develop brain metastases (P = .01), and those whose tumors were HER2 positive were more likely to develop liver metastases (P = .04). CONCLUSION Although our data on patterns of metastases and pathologic subtypes are similar to those in published literature, some unique findings concerning hormonal risk factors of women with metastatic breast cancer and specific metastatic sites need additional exploration in larger patient populations.
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Affiliation(s)
- Etoroabasi Ekpe
- Columbia University Vagelos College of Physicians and Surgeons, New York, NY.,Columbia University Mailman School of Public Health, New York, NY
| | | | - Jasmit Shah
- Aga Khan University Hospital, Nairobi, Kenya
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45
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Sharifi M, Jafari S, Hasan A, Paray BA, Gong G, Zheng Y, Falahati M. Antimetastatic Activity of Lactoferrin-Coated Mesoporous Maghemite Nanoparticles in Breast Cancer Enabled by Combination Therapy. ACS Biomater Sci Eng 2020; 6:3574-3584. [DOI: 10.1021/acsbiomaterials.0c00086] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Majid Sharifi
- Department of Nanotechnology, Faculty of Advanced Sciences and Technology, Tehran Medical Sciences, Islamic Azad University, Tehran 1234567, Iran
- Department of Animal Science, Faculty of Agriculture, University of Tabriz, Tabriz 5166616471, Iran
| | - Shadi Jafari
- Department of Nanotechnology, Faculty of Advanced Sciences and Technology, Tehran Medical Sciences, Islamic Azad University, Tehran 1234567, Iran
| | - Anwarul Hasan
- Department of Mechanical and Industrial Engineering, College of Engineering, Qatar University, Doha 2713, Qatar
- Biomedical Research Center, Qatar University, Doha 2713, Qatar
| | - Bilal Ahamad Paray
- Department of Zoology, College of Science, King Saud University, PO Box 2455, Riyadh 11451, Saudi Arabia
| | - Guowei Gong
- Department of Bioengineering, Zunyi Medical University, Zhuhai Campus, Zhuhai, Guangdong 519041, China
| | - Yuzhong Zheng
- School of Food Engineering and Biotechnology, Hanshan Normal University, Chaozhou, Guangdong 521041, China
| | - Mojtaba Falahati
- Department of Nanotechnology, Faculty of Advanced Sciences and Technology, Tehran Medical Sciences, Islamic Azad University, Tehran 1234567, Iran
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Liu X, Teng Y, Wu X, Li Z, Bao B, Liu Y, Qu X, Zhang L. The E3 Ubiquitin Ligase Cbl-b Predicts Favorable Prognosis in Breast Cancer. Front Oncol 2020; 10:695. [PMID: 32435620 PMCID: PMC7219434 DOI: 10.3389/fonc.2020.00695] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2020] [Accepted: 04/14/2020] [Indexed: 01/18/2023] Open
Abstract
Background: Casitas B-lineage lymphoma proto-oncogene-b (Cbl-b) is an E3 ubiquitin-protein ligase and a signal-transducing adaptor protein involved in the development and progression of cancer. Despite the known functions of Cbl-b, its role in breast cancer remains unclear. The aim of this study is to explore the prognostic value of Cbl-b in breast cancer. Methods: Cbl-b expression was analyzed by immunohistochemistry in 292 breast cancer patients from the First Hospital of China Medical University between 1999 and 2008. Kaplan-Meier curve and Cox proportional hazards regression were used to analyze the independent prognostic factors for overall survival (OS) and disease-free survival (DFS). Nomogram was constructed based on these prognostic factors. Results: Cbl-b expression was detected in 54.1% (158/292) breast cancer tissue samples. Cbl-b expression was correlated with DFS (p = 0.033), but was not significantly associated with the known clinic-pathological factors in this study. Log-rank analysis indicated that Cbl-b expression was correlated with better OS (p = 0.013) and DFS (p = 0.016). Multivariate analysis showed that Cbl-b expression was an independent prognostic factor in breast cancer. The nomogram we built for predicting OS was integrated with Cbl-b expression, age, tumor size, lymph node metastasis and histological grade. Except tumor size, all the above factors and date of diagnosis were used to construct the DFS nomogram. The C-indexes of the nomograms were 0.735 and 0.678, respectively. Our new clinical model was superior to the TNM staging for prediction of OS. Conclusion: Cbl-b expression independently predicts favorable prognosis in breast cancer. Cbl-b expression, combined with other variables could be more precise clinical predictive models for predicting OS and DFS in patients with breast cancer.
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Affiliation(s)
- Xiuming Liu
- Department of Medical Oncology, The First Hospital of China Medical University, China Medical University, Shenyang, China.,Key Laboratory of Anticancer Drugs and Biotherapy of Liaoning Province, The First Hospital of China Medical University, Shenyang, China.,Liaoning Province Clinical Research Center for Cancer, Shenyang, China
| | - Yuee Teng
- Department of Medical Oncology, The First Hospital of China Medical University, China Medical University, Shenyang, China.,Key Laboratory of Anticancer Drugs and Biotherapy of Liaoning Province, The First Hospital of China Medical University, Shenyang, China.,Liaoning Province Clinical Research Center for Cancer, Shenyang, China
| | - Xin Wu
- Department of Medical Oncology, The First Hospital of China Medical University, China Medical University, Shenyang, China.,Key Laboratory of Anticancer Drugs and Biotherapy of Liaoning Province, The First Hospital of China Medical University, Shenyang, China.,Liaoning Province Clinical Research Center for Cancer, Shenyang, China
| | - Zhi Li
- Department of Medical Oncology, The First Hospital of China Medical University, China Medical University, Shenyang, China.,Key Laboratory of Anticancer Drugs and Biotherapy of Liaoning Province, The First Hospital of China Medical University, Shenyang, China.,Liaoning Province Clinical Research Center for Cancer, Shenyang, China
| | - Bowen Bao
- Department of Medical Oncology, The First Hospital of China Medical University, China Medical University, Shenyang, China.,Key Laboratory of Anticancer Drugs and Biotherapy of Liaoning Province, The First Hospital of China Medical University, Shenyang, China.,Liaoning Province Clinical Research Center for Cancer, Shenyang, China
| | - Yunpeng Liu
- Department of Medical Oncology, The First Hospital of China Medical University, China Medical University, Shenyang, China.,Key Laboratory of Anticancer Drugs and Biotherapy of Liaoning Province, The First Hospital of China Medical University, Shenyang, China.,Liaoning Province Clinical Research Center for Cancer, Shenyang, China
| | - Xiujuan Qu
- Department of Medical Oncology, The First Hospital of China Medical University, China Medical University, Shenyang, China.,Key Laboratory of Anticancer Drugs and Biotherapy of Liaoning Province, The First Hospital of China Medical University, Shenyang, China.,Liaoning Province Clinical Research Center for Cancer, Shenyang, China
| | - Lingyun Zhang
- Department of Medical Oncology, The First Hospital of China Medical University, China Medical University, Shenyang, China.,Key Laboratory of Anticancer Drugs and Biotherapy of Liaoning Province, The First Hospital of China Medical University, Shenyang, China.,Liaoning Province Clinical Research Center for Cancer, Shenyang, China
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47
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Wang Y, Liu S, Zhang Y, Yang J. Dysregulation of TLR2 Serves as a Prognostic Biomarker in Breast Cancer and Predicts Resistance to Endocrine Therapy in the Luminal B Subtype. Front Oncol 2020; 10:547. [PMID: 32426275 PMCID: PMC7203473 DOI: 10.3389/fonc.2020.00547] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2019] [Accepted: 03/26/2020] [Indexed: 01/11/2023] Open
Abstract
Background: Breast cancer (BCa) is a serious global health burden among females, and the development of resistance represents an important challenge to BCa treatment. Here, we examined the expression of toll-like receptor 2 (TLR2) in BCa patients and the prognostic value of TLR2 for predicting endocrine resistance. Methods: The study included 150 BCa patients, of which 82 underwent endocrine therapy. TLR2 mRNA expression was measured by quantitative Real-Time PCR, and its prognostic value was determined by Kaplan-Meier survival analysis. Changes in the expression of TLR2 in BCa patients with endocrine resistance were assessed, and the value of TLR2 for predicting endocrine resistance was evaluated using the receiver operating characteristic curve analysis. Results: TLR2 expression was higher in BCa tissue than in normal tissue and associated with tumor size, HER2 status, tumor subtype, and TNM stage. TLR2 upregulation was associated with poor prognosis in patients with BCa, as well as endocrine resistance, and TLR2 upregulation was more prevalent among HER2-positive BCa cases. The predictive performance of TLR2 for endocrine resistance was higher in HER2-positive BCa than in other hormone receptor-positive BCa cases. Conclusion: TLR2 upregulation is a promising biomarker for prognosis and predicting resistance to endocrine therapy. The relationship between TLR2 and HER2 indicates that TLR2 may be involved in endocrine resistance through the HER2 signaling pathway in BCa.
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Affiliation(s)
- Yunmei Wang
- Department of Medical Oncology, First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China.,Shanxi Provincial Cancer Hospital, Taiyuan, China
| | - Shuguang Liu
- Department of Orthopedics, HongHui Hospital, Xi'an, China
| | - Yanjun Zhang
- Shanxi Provincial Cancer Hospital, Taiyuan, China
| | - Jin Yang
- Department of Medical Oncology, First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
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48
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Boltežar L, Gašljević G, Novaković S, Stegel V, Škof E. An interesting case of likely BRCA2 related bilateral breast cancer with metastasis in the fimbrial part of fallopian tube. Hered Cancer Clin Pract 2020; 18:7. [PMID: 32206145 PMCID: PMC7081695 DOI: 10.1186/s13053-020-00139-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2019] [Accepted: 03/11/2020] [Indexed: 11/10/2022] Open
Abstract
Background In a patient with a germline BRCA2 pathogenic variant with breast cancer, an adnexal mass can represent either a metachronous primary tumor or a metastasis of the breast cancer. A clear distinction between those two possibilities is crucial since treatments differ substantially and so does survival of the patient. Case presentation We present a case of a 47-year-old patient with bilateral breast carcinoma with a germline BRCA2 pathogenic variant. The first manifestation of the disease was a lump in her left breast in 1998, histological report was invasive ductal carcinoma, triple-negative. She was treated with surgery, chemotherapy and radiotherapy. In 2011 a new occult carcinoma was found in her right axilla, however the specimen was estrogen receptor (ER) and progesterone receptor (PgR) positive. She was treated as a new primary occult carcinoma of the right breast with surgery, radiotherapy and adjuvant hormonal treatment. In 2016 a mass in the left adnexa was found with imaging techniques. She underwent surgery as if it was primary ovarian cancer, yet histology revealed it was a metastasis of a triple-negative breast carcinoma in the fimbrial part of the left Fallopian tube. She received adjuvant chemotherapy after surgery and is now in complete remission. Conclusion We present an interesting and quite rare case of two primary breast carcinomas in a patient with a known BRCA2 pathogenic variant with metastasis in the fimbrial part of the left Fallopian tube. We conclude that there were two primary breast tumours and the one from 2011 spread into the fimbrial part of the left Fallopian tube in 2016. Despite the fact that molecular analyses could not confirm the joint tumour origin, we believe that there was a receptor status conversion over time explaining different receptor status. The possibility of a triple-negative metastasis from the tumour treated in 1998 is less probable. With both of aforementioned possibilities being prognostically unfavourable, the patients' outcome is so far excellent and she was in complete remission at the time of writing this article.
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Affiliation(s)
- Lučka Boltežar
- 1Division of Medical Oncology, Institute of Oncology Ljubljana, Zaloska cesta 2, 1000 Ljubljana, Slovenia
| | - Gorana Gašljević
- 2Department of Pathology, Institute of Oncology Ljubljana, Zaloska cesta 2, 1000 Ljubljana, Slovenia
| | - Srdjan Novaković
- 3Department of Molecular Diagnostics, Institute of Oncology Ljubljana, Zaloska cesta 2, 1000 Ljubljana, Slovenia
| | - Vida Stegel
- 3Department of Molecular Diagnostics, Institute of Oncology Ljubljana, Zaloska cesta 2, 1000 Ljubljana, Slovenia
| | - Erik Škof
- 1Division of Medical Oncology, Institute of Oncology Ljubljana, Zaloska cesta 2, 1000 Ljubljana, Slovenia
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49
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Metcalf S, Dougherty S, Kruer T, Hasan N, Biyik-Sit R, Reynolds L, Clem BF. Selective loss of phosphoserine aminotransferase 1 (PSAT1) suppresses migration, invasion, and experimental metastasis in triple negative breast cancer. Clin Exp Metastasis 2020; 37:187-197. [PMID: 31630284 DOI: 10.1007/s10585-019-10000-7] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2019] [Accepted: 09/30/2019] [Indexed: 02/06/2023]
Abstract
Breast cancer is the second leading cause of cancer-related deaths among women and 90% of these mortalities can be attributed to progression to metastatic disease. In particular, triple negative breast cancer (TNBC) is extremely aggressive and frequently metastasizes to multiple organs. As TNBCs are categorized by their lack of hormone receptors, these tumors are very heterogeneous and are immune to most targeted therapies. Metabolic changes are observed in the majority of TNBC and a large proportion upregulate enzymes within the serine synthesis pathway, including phosphoserine aminotransferase 1 (PSAT1). In this report, we investigate the role of PSAT1 in migration and invasion potential in a subset of TNBC cell types. We found that the expression of PSAT1 increases with TNBC clinical grade. We also demonstrate that suppression of PSAT1 or phosphoglycerate dehydrogenase (PHGDH) does not negatively impact cell proliferation in TNBC cells that are not dependent on de novo serine synthesis. However, we observed that suppression of PSAT1 specifically alters the F-actin cytoskeletal arrangement and morphology in these TNBC cell lines. In addition, suppression of PSAT1 inhibits motility and migration in these TNBC cell lines, which is not recapitulated upon loss of PHGDH. PSAT1 silencing also reduced the number of lung tumor nodules in a model of experimental metastasis; yet did not decrease anchorage-independent growth. Together, these results suggest that PSAT1 functions to drive migratory potential in promoting metastasis in select TNBC cells independent of its role in serine synthesis.
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Affiliation(s)
- Stephanie Metcalf
- Department of Biochemistry and Molecular Genetics, University of Louisville, Louisville, KY, USA
| | - Susan Dougherty
- Department of Biochemistry and Molecular Genetics, University of Louisville, Louisville, KY, USA
| | - Traci Kruer
- Department of Biochemistry and Molecular Genetics, University of Louisville, Louisville, KY, USA.,Moffitt Cancer Center, University of South Florida, Tampa, FL, USA
| | - Nazarul Hasan
- Department of Biochemistry and Molecular Genetics, University of Louisville, Louisville, KY, USA
| | - Rumeysa Biyik-Sit
- Department of Biochemistry and Molecular Genetics, University of Louisville, Louisville, KY, USA
| | - Lindsey Reynolds
- Department of Biochemistry and Molecular Genetics, University of Louisville, Louisville, KY, USA
| | - Brian F Clem
- Department of Biochemistry and Molecular Genetics, University of Louisville, Louisville, KY, USA. .,James Graham Brown Cancer Center, University of Louisville, Louisville, KY, USA.
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50
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RIPK3 upregulation confers robust proliferation and collateral cystine-dependence on breast cancer recurrence. Cell Death Differ 2020; 27:2234-2247. [PMID: 31988496 DOI: 10.1038/s41418-020-0499-y] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2019] [Revised: 01/13/2020] [Accepted: 01/14/2020] [Indexed: 02/06/2023] Open
Abstract
The molecular and genetic basis of tumor recurrence is complex and poorly understood. RIPK3 is a key effector in programmed necrotic cell death and, therefore, its expression is frequently suppressed in primary tumors. In a transcriptome profiling between primary and recurrent breast tumor cells from a murine model of breast cancer recurrence, we found that RIPK3, while absent in primary tumor cells, is dramatically reexpressed in recurrent breast tumor cells by an epigenetic mechanism. Unexpectedly, we found that RIPK3 knockdown in recurrent tumor cells reduced clonogenic growth, causing cytokinesis failure, p53 stabilization, and repressed the activities of YAP/TAZ. These data uncover a surprising role of the pro-necroptotic RIPK3 kinase in enabling productive cell cycle during tumor recurrence. Remarkably, high RIPK3 expression also rendered recurrent tumor cells exquisitely dependent on extracellular cystine and undergo necroptosis upon cystine deprivation. The induction of RIPK3 in recurrent tumors unravels an unexpected mechanism that paradoxically confers on tumors both growth advantage and necrotic vulnerability, providing potential strategies to eradicate recurrent tumors.
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