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Cheng HY, Su GL, Wu YX, Chen G, Yu ZL. Extracellular vesicles in anti-tumor drug resistance: Mechanisms and therapeutic prospects. J Pharm Anal 2024; 14:100920. [PMID: 39104866 PMCID: PMC11298875 DOI: 10.1016/j.jpha.2023.12.010] [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: 10/05/2023] [Revised: 12/07/2023] [Accepted: 12/13/2023] [Indexed: 08/07/2024] Open
Abstract
Drug resistance presents a significant challenge to achieving positive clinical outcomes in anti-tumor therapy. Prior research has illuminated reasons behind drug resistance, including increased drug efflux, alterations in drug targets, and abnormal activation of oncogenic pathways. However, there's a need for deeper investigation into the impact of drug-resistant cells on parental tumor cells and intricate crosstalk between tumor cells and the malignant tumor microenvironment (TME). Recent studies on extracellular vesicles (EVs) have provided valuable insights. EVs are membrane-bound particles secreted by all cells, mediating cell-to-cell communication. They contain functional cargoes like DNA, RNA, lipids, proteins, and metabolites from mother cells, delivered to other cells. Notably, EVs are increasingly recognized as regulators in the resistance to anti-cancer drugs. This review aims to summarize the mechanisms of EV-mediated anti-tumor drug resistance, covering therapeutic approaches like chemotherapy, targeted therapy, immunotherapy and even radiotherapy. Detecting EV-based biomarkers to predict drug resistance assists in bypassing anti-tumor drug resistance. Additionally, targeted inhibition of EV biogenesis and secretion emerges as a promising approach to counter drug resistance. We highlight the importance of conducting in-depth mechanistic research on EVs, their cargoes, and functional approaches specifically focusing on EV subpopulations. These efforts will significantly advance the development of strategies to overcome drug resistance in anti-tumor therapy.
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Affiliation(s)
- Hao-Yang Cheng
- State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, Key Laboratory of Oral Biomedicine Ministry of Education, Hubei Key Laboratory of Stomatology, School & Hospital of Stomatology, Wuhan University, Wuhan, 430079, China
| | - Guang-Liang Su
- State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, Key Laboratory of Oral Biomedicine Ministry of Education, Hubei Key Laboratory of Stomatology, School & Hospital of Stomatology, Wuhan University, Wuhan, 430079, China
| | - Yu-Xuan Wu
- State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, Key Laboratory of Oral Biomedicine Ministry of Education, Hubei Key Laboratory of Stomatology, School & Hospital of Stomatology, Wuhan University, Wuhan, 430079, China
| | - Gang Chen
- State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, Key Laboratory of Oral Biomedicine Ministry of Education, Hubei Key Laboratory of Stomatology, School & Hospital of Stomatology, Wuhan University, Wuhan, 430079, China
- Department of Oral and Maxillofacial Surgery, School and Hospital of Stomatology, Wuhan University, Wuhan, 430079, China
- TaiKang Center for Life and Medical Sciences, Wuhan University, Wuhan, 430071, China
- Frontier Science Center for Immunology and Metabolism, Wuhan University, Wuhan, 430071, China
| | - Zi-Li Yu
- State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, Key Laboratory of Oral Biomedicine Ministry of Education, Hubei Key Laboratory of Stomatology, School & Hospital of Stomatology, Wuhan University, Wuhan, 430079, China
- Department of Oral and Maxillofacial Surgery, School and Hospital of Stomatology, Wuhan University, Wuhan, 430079, China
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2
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Li K, Shu D, Li H, Lan A, Zhang W, Tan Z, Huang M, Tomasi ML, Jin A, Yu H, Shen M, Liu S. SMAD4 depletion contributes to endocrine resistance by integrating ER and ERBB signaling in HR + HER2- breast cancer. Cell Death Dis 2024; 15:444. [PMID: 38914552 PMCID: PMC11196642 DOI: 10.1038/s41419-024-06838-9] [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: 01/24/2024] [Revised: 06/11/2024] [Accepted: 06/14/2024] [Indexed: 06/26/2024]
Abstract
Endocrine resistance poses a significant clinical challenge for patients with hormone receptor-positive and human epithelial growth factor receptor 2-negative (HR + HER2-) breast cancer. Dysregulation of estrogen receptor (ER) and ERBB signaling pathways is implicated in resistance development; however, the integration of these pathways remains unclear. While SMAD4 is known to play diverse roles in tumorigenesis, its involvement in endocrine resistance is poorly understood. Here, we investigate the role of SMAD4 in acquired endocrine resistance in HR + HER2- breast cancer. Genome-wide CRISPR screening identifies SMAD4 as a regulator of 4-hydroxytamoxifen (OHT) sensitivity in T47D cells. Clinical data analysis reveals downregulated SMAD4 expression in breast cancer tissues, correlating with poor prognosis. Following endocrine therapy, SMAD4 expression is further suppressed. Functional studies demonstrate that SMAD4 depletion induces endocrine resistance in vitro and in vivo by enhancing ER and ERBB signaling. Concomitant inhibition of ER and ERBB signaling leads to aberrant autophagy activation. Simultaneous inhibition of ER, ERBB, and autophagy pathways synergistically impacts SMAD4-depleted cells. Our findings unveil a mechanism whereby endocrine therapy-induced SMAD4 downregulation drives acquired resistance by integrating ER and ERBB signaling and suggest a rational treatment strategy for endocrine-resistant HR + HER2- breast cancer patients.
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MESH Headings
- Humans
- Smad4 Protein/metabolism
- Smad4 Protein/genetics
- Female
- Breast Neoplasms/metabolism
- Breast Neoplasms/genetics
- Breast Neoplasms/pathology
- Breast Neoplasms/drug therapy
- Signal Transduction/drug effects
- Drug Resistance, Neoplasm/drug effects
- Drug Resistance, Neoplasm/genetics
- Receptor, ErbB-2/metabolism
- Receptor, ErbB-2/genetics
- Receptors, Estrogen/metabolism
- Cell Line, Tumor
- Animals
- Tamoxifen/pharmacology
- Tamoxifen/therapeutic use
- Tamoxifen/analogs & derivatives
- Mice
- Antineoplastic Agents, Hormonal/pharmacology
- Antineoplastic Agents, Hormonal/therapeutic use
- Mice, Nude
- Gene Expression Regulation, Neoplastic/drug effects
- Autophagy/drug effects
- ErbB Receptors/metabolism
- ErbB Receptors/genetics
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Affiliation(s)
- Kang Li
- Department of Breast and Thyroid Surgery, The First Affiliated Hospital of Chongqing Medical University, 400016, Chongqing, China
| | - Dan Shu
- Department of Breast and Thyroid Surgery, The First Affiliated Hospital of Chongqing Medical University, 400016, Chongqing, China
| | - Han Li
- Department of Breast and Thyroid Surgery, The First Affiliated Hospital of Chongqing Medical University, 400016, Chongqing, China
| | - Ailin Lan
- Department of Breast and Thyroid Surgery, The First Affiliated Hospital of Chongqing Medical University, 400016, Chongqing, China
| | - Wenjie Zhang
- Department of Breast and Thyroid Surgery, The First Affiliated Hospital of Chongqing Medical University, 400016, Chongqing, China
| | - Zhaofu Tan
- Department of Dermatology and Venereology, The First Affiliated Hospital of Chongqing Medical University, 400016, Chongqing, China
| | - Man Huang
- Department of Breast Center, Chongqing University Three Gorges Hospital, Wanzhou, 404000, Chongqing, China
| | - Maria Lauda Tomasi
- Department of Medicine, Cedars-Sinai Medical Center, DAVIS Research Building 3096A, 8700 Beverly Blv, Los Angeles, CA, 90048, USA
| | - Aishun Jin
- Department of Immunology, School of Basic Medical Sciences, Chongqing Medical University, 400010, Chongqing, China
| | - Haochen Yu
- Department of Breast and Thyroid Surgery, The First Affiliated Hospital of Chongqing Medical University, 400016, Chongqing, China.
| | - Meiying Shen
- Department of Breast and Thyroid Surgery, The First Affiliated Hospital of Chongqing Medical University, 400016, Chongqing, China.
| | - Shengchun Liu
- Department of Breast and Thyroid Surgery, The First Affiliated Hospital of Chongqing Medical University, 400016, Chongqing, China.
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3
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Jana S, Li W, Lei PJ, Wang Z, Kibara S, Huang P, Jones D. Isolation and Characterization of a Novel Mammary Adenocarcinoma, MCa-P1362, with Hormone Receptor Expression, Human Epidermal Growth Factor Receptor 2 Positivity, and Enrichment in Cancer and Mesenchymal Stem Cells. THE AMERICAN JOURNAL OF PATHOLOGY 2024; 194:1137-1153. [PMID: 38749609 PMCID: PMC11156160 DOI: 10.1016/j.ajpath.2024.02.013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/20/2023] [Revised: 02/05/2024] [Accepted: 02/16/2024] [Indexed: 06/09/2024]
Abstract
Preclinical models that display spontaneous metastasis are necessary to improve the therapeutic options for hormone receptor-positive breast cancers. Within this study, detailed cellular and molecular characterization was conducted on MCa-P1362, a newly established mouse model of metastatic breast cancer that is syngeneic in BALB/c mice. MCa-P1362 cancer cells express estrogen receptor, progesterone receptor, and the human epidermal growth factor receptor 2. MCa-P1362 cancer cells proliferate in vitro and in vivo in response to estrogen, yet do not depend on steroid hormones for growth and tumor progression. Analysis of MCa-P1362 tumor explants revealed the tumors contained a mixture of cancer cells and mesenchymal stromal cells. Through transcriptomic and functional analyses of both cancer and stromal cells, stem cells were detected within both populations. Functional studies demonstrated that MCa-P1362 cancer stem cells drove tumor initiation, whereas stromal cells from these tumors contributed to drug resistance. MCa-P1362 may serve as a useful preclinical model to investigate the cellular and molecular basis of breast tumor progression and therapeutic resistance.
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Affiliation(s)
- Samir Jana
- Department of Pathology and Laboratory Medicine, Boston University Chobanian and Avedisian School of Medicine, Boston, Massachusetts
| | - Wende Li
- Edwin L. Steele Laboratories for Tumor Biology, Department of Radiation Oncology, Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts
| | - Pin-Ji Lei
- Edwin L. Steele Laboratories for Tumor Biology, Department of Radiation Oncology, Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts
| | - Zixiong Wang
- Department of Pathology and Laboratory Medicine, Boston University Chobanian and Avedisian School of Medicine, Boston, Massachusetts
| | - Shaye Kibara
- Department of Pathology and Laboratory Medicine, Boston University Chobanian and Avedisian School of Medicine, Boston, Massachusetts
| | - Peigen Huang
- Edwin L. Steele Laboratories for Tumor Biology, Department of Radiation Oncology, Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts.
| | - Dennis Jones
- Department of Pathology and Laboratory Medicine, Boston University Chobanian and Avedisian School of Medicine, Boston, Massachusetts.
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4
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Trnkova L, Buocikova V, Mego M, Cumova A, Burikova M, Bohac M, Miklikova S, Cihova M, Smolkova B. Epigenetic deregulation in breast cancer microenvironment: Implications for tumor progression and therapeutic strategies. Biomed Pharmacother 2024; 174:116559. [PMID: 38603889 DOI: 10.1016/j.biopha.2024.116559] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2023] [Revised: 03/27/2024] [Accepted: 04/04/2024] [Indexed: 04/13/2024] Open
Abstract
Breast cancer comprises a substantial proportion of cancer diagnoses in women and is a primary cause of cancer-related mortality. While hormone-responsive cases generally have a favorable prognosis, the aggressive nature of triple-negative breast cancer presents challenges, with intrinsic resistance to established treatments being a persistent issue. The complexity intensifies with the emergence of acquired resistance, further complicating the management of breast cancer. Epigenetic changes, encompassing DNA methylation, histone and RNA modifications, and non-coding RNAs, are acknowledged as crucial contributors to the heterogeneity of breast cancer. The unique epigenetic landscape harbored by each cellular component within the tumor microenvironment (TME) adds great diversity to the intricate regulations which influence therapeutic responses. The TME, a sophisticated ecosystem of cellular and non-cellular elements interacting with tumor cells, establishes an immunosuppressive microenvironment and fuels processes such as tumor growth, angiogenesis, and extracellular matrix remodeling. These factors contribute to challenging conditions in cancer treatment by fostering a hypoxic environment, inducing metabolic stress, and creating physical barriers to drug delivery. This article delves into the complex connections between breast cancer treatment response, underlying epigenetic changes, and vital interactions within the TME. To restore sensitivity to treatment, it emphasizes the need for combination therapies considering epigenetic changes specific to individual members of the TME. Recognizing the pivotal role of epigenetics in drug resistance and comprehending the specificities of breast TME is essential for devising more effective therapeutic strategies. The development of reliable biomarkers for patient stratification will facilitate tailored and precise treatment approaches.
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Affiliation(s)
- Lenka Trnkova
- Cancer Research Institute, Biomedical Research Center of the Slovak Academy of Sciences, Dubravska cesta 9, Bratislava 845 05, Slovakia
| | - Verona Buocikova
- Cancer Research Institute, Biomedical Research Center of the Slovak Academy of Sciences, Dubravska cesta 9, Bratislava 845 05, Slovakia
| | - Michal Mego
- Cancer Research Institute, Biomedical Research Center of the Slovak Academy of Sciences, Dubravska cesta 9, Bratislava 845 05, Slovakia; 2nd Department of Oncology, Comenius University, Faculty of Medicine & National Cancer Institute, Bratislava 83310, Slovakia
| | - Andrea Cumova
- Cancer Research Institute, Biomedical Research Center of the Slovak Academy of Sciences, Dubravska cesta 9, Bratislava 845 05, Slovakia
| | - Monika Burikova
- Cancer Research Institute, Biomedical Research Center of the Slovak Academy of Sciences, Dubravska cesta 9, Bratislava 845 05, Slovakia
| | - Martin Bohac
- 2nd Department of Oncology, Comenius University, Faculty of Medicine & National Cancer Institute, Bratislava 83310, Slovakia; Regenmed Ltd., Medena 29, Bratislava 811 01, Slovakia; Institute of Medical Biology, Genetics and Clinical Genetics, Faculty of Medicine, Comenius University, Sasinkova 4, Bratislava 811 08, Slovakia
| | - Svetlana Miklikova
- Cancer Research Institute, Biomedical Research Center of the Slovak Academy of Sciences, Dubravska cesta 9, Bratislava 845 05, Slovakia
| | - Marina Cihova
- Cancer Research Institute, Biomedical Research Center of the Slovak Academy of Sciences, Dubravska cesta 9, Bratislava 845 05, Slovakia
| | - Bozena Smolkova
- Cancer Research Institute, Biomedical Research Center of the Slovak Academy of Sciences, Dubravska cesta 9, Bratislava 845 05, Slovakia.
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5
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Tian J, Jin L, Liu H, Hua Z. Stilbenes: a promising small molecule modulator for epigenetic regulation in human diseases. Front Pharmacol 2023; 14:1326682. [PMID: 38155902 PMCID: PMC10754530 DOI: 10.3389/fphar.2023.1326682] [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: 10/23/2023] [Accepted: 11/24/2023] [Indexed: 12/30/2023] Open
Abstract
Stilbenes are characterized by a vinyl group connecting two benzene rings to form the basic parent nucleus. Hydrogen atoms on different positions of the benzene rings can be substituted with hydroQxyl groups. These unique structural features confer anti-inflammatory, antibacterial, antiviral, antioxidant, anticancer, cardiovascular protective, and neuroprotective pharmacological effects upon these compounds. Numerous small molecule compounds have demonstrated these pharmacological activities in recent years, including Resveratrol, and Pterostilbene, etc. Tamoxifen and Raloxifene are FDA-approved commonly prescribed synthetic stilbene derivatives. The emphasis is on the potential of these small molecules and their structural derivatives as epigenetic regulators in various diseases. Stilbenes have been shown to modulate epigenetic marks, such as DNA methylation and histone modification, which can alter gene expression patterns and contribute to disease development. This review will discuss the mechanisms by which stilbenes regulate epigenetic marks in various diseases, as well as clinical trials, with a focus on the potential of small molecule and their derivatives such as Resveratrol, Pterostilbene, and Tamoxifen.
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Affiliation(s)
- Jing Tian
- The State Key Laboratory of Pharmaceutical Biotechnology, School of Life Sciences, Nanjing University, Nanjing, Jiangsu, China
| | - Li Jin
- The State Key Laboratory of Pharmaceutical Biotechnology, School of Life Sciences, Nanjing University, Nanjing, Jiangsu, China
| | - Hongquan Liu
- Jiangsu Province Hospital on Integration of Chinese and Western Medicine, Nanjing, China
| | - Zichun Hua
- The State Key Laboratory of Pharmaceutical Biotechnology, School of Life Sciences, Nanjing University, Nanjing, Jiangsu, China
- Changzhou High-Tech Research Institute of Nanjing University and Jiangsu TargetPharma Laboratories Inc., Changzhou, China
- Nanjing Generecom Biotechnology Co., Ltd., Nanjing, China
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6
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Ma X, Deng Z, Li Z, Ma T, Li G, Zhang C, Zhang W, Chang J. Leveraging a disulfidptosis/ferroptosis-based signature to predict the prognosis of lung adenocarcinoma. Cancer Cell Int 2023; 23:267. [PMID: 37946181 PMCID: PMC10634118 DOI: 10.1186/s12935-023-03125-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2023] [Accepted: 11/04/2023] [Indexed: 11/12/2023] Open
Abstract
BACKGROUND Disulfidptosis and Ferroptosis are two novel forms of cell death. Although their mechanisms differ, research has shown that there is a relationship between the two. Investigating the connection between these two forms of cell death can further deepen our understanding of the development and progression of cancer, and provide better prediction models for accurate prognosis. METHODS In this study, RNA sequencing (RNA-seq) data, clinical data, single nucleotide polymorphism (SNP) data, and single-cell sequencing data were obtained from public databases. We used weighted gene co-expression network analysis (WGCNA) and unsupervised clustering to identify new Disulfidptosis/Ferroptosis-Related Genes (DFRG), and constructed a LASSO COX prognosis model that was externally validated. To further explore this novel signature, pathway and function analysis was performed, and differences in gene mutation frequency between high- and low-risk groups were studied. Importantly, we also conducted research on immune checkpoint, immune cell infiltration levels and immune resistance indicators, in addition to analyzing real clinical immunotherapy data. RESULTS We have identified four optimal disulfidptosis/ferroptosis-related genes (ODFRGs) that are differentially expressed and associated with the prognosis of Lung Adenocarcinoma (LUAD). These genes include GMPR, MCFD2, MRPL13, and SALL2. Based on these ODFRGs, we constructed a robust prognostic model in this study, and the high-risk group showed significantly lower overall survival (OS) compared to the low-risk group. Furthermore, this model can also predict the immunotherapy outcomes of LUAD patients to some extent.
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Affiliation(s)
- Xiaoqing Ma
- Department of Radiation Oncology, The Second Affiliated Hospital of Shandong First Medical University, Taian, Shandong, China
- Shandong First Medical University, Jinan, Shandong, China
| | - Zilin Deng
- Department of Radiation Oncology, The Second Affiliated Hospital of Shandong First Medical University, Taian, Shandong, China
- Shandong First Medical University, Jinan, Shandong, China
| | - Zhen Li
- Department of Radiation Oncology, The Second Affiliated Hospital of Shandong First Medical University, Taian, Shandong, China
- Shandong First Medical University, Jinan, Shandong, China
| | - Ting Ma
- Department of Radiation Oncology, The Second Affiliated Hospital of Shandong First Medical University, Taian, Shandong, China
- Shandong First Medical University, Jinan, Shandong, China
| | - Guiqing Li
- Department of Radiation Oncology, The Second Affiliated Hospital of Shandong First Medical University, Taian, Shandong, China
- Shandong First Medical University, Jinan, Shandong, China
| | - Cuijia Zhang
- Department of Radiation Oncology, The Second Affiliated Hospital of Shandong First Medical University, Taian, Shandong, China
- Shandong First Medical University, Jinan, Shandong, China
| | - Wentao Zhang
- Department of Radiation Oncology, The Second Affiliated Hospital of Shandong First Medical University, Taian, Shandong, China.
- Shandong First Medical University, Jinan, Shandong, China.
| | - Jin Chang
- Department of Radiation Oncology, The Second Affiliated Hospital of Shandong First Medical University, Taian, Shandong, China.
- Shandong First Medical University, Jinan, Shandong, China.
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7
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Ducarouge B, Redavid AR, Victoor C, Chira R, Fonseca A, Hervieu M, Bergé R, Lengrand J, Vieugué P, Neves D, Goddard I, Richaud M, Laval PA, Rama N, Goldschneider D, Paradisi A, Gourdin N, Chabaud S, Treilleux I, Gadot N, Ray-Coquard I, Depil S, Decaudin D, Némati F, Marangoni E, Mery-Lamarche E, Génestie C, Tabone-Eglinger S, Devouassoux-Shisheboran M, Moore KJ, Gibert B, Mehlen P, Bernet A. Netrin-1 blockade inhibits tumor associated Myeloid-derived suppressor cells, cancer stemness and alleviates resistance to chemotherapy and immune checkpoint inhibitor. Cell Death Differ 2023; 30:2201-2212. [PMID: 37633969 PMCID: PMC10589209 DOI: 10.1038/s41418-023-01209-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2021] [Revised: 07/26/2023] [Accepted: 08/08/2023] [Indexed: 08/28/2023] Open
Abstract
Drug resistance and cancer relapse represent significant therapeutic challenges after chemotherapy or immunotherapy, and a major limiting factor for long-term cancer survival. Netrin-1 was initially identified as a neuronal navigation cue but has more recently emerged as an interesting target for cancer therapy, which is currently clinically investigated. We show here that netrin-1 is an independent prognostic marker for clinical progression of breast and ovary cancers. Cancer stem cells (CSCs)/Tumor initiating cells (TICs) are hypothesized to be involved in clinical progression, tumor relapse and resistance. We found a significant correlation between netrin-1 expression and cancer stem cell (CSC) markers levels. We also show in different mice models of resistance to chemotherapies that netrin-1 interference using a therapeutic netrin-1 blocking antibody alleviates resistance to chemotherapy and triggers an efficient delay in tumor relapse and this effect is associated with CSCs loss. We also demonstrate that netrin-1 interference limits tumor resistance to immune checkpoint inhibitor and provide evidence linking this enhanced anti-tumor efficacy to a decreased recruitment of a subtype of myeloid-derived suppressor cells (MDSCs) called polymorphonuclear (PMN)-MDSCs. We have functionally demonstrated that these immune cells promote CSCs features and, consequently, resistance to anti-cancer treatments. Together, these data support the view of both a direct and indirect contribution of netrin-1 to cancer stemness and we propose that this may lead to therapeutic opportunities by combining conventional chemotherapies and immunotherapies with netrin-1 interfering drugs.
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Affiliation(s)
- Benjamin Ducarouge
- Apoptosis, Cancer and Development Laboratory- Equipe labellisée 'La Ligue', Labex DEVweCAN, Institut Convergence PLAsCAN, Centre de Cancérologie de Lyon, INSERM U1052-CNRS UMR5286, Université de Lyon, Centre Léon Bérard, 69008, Lyon, France
- Netris Pharma, Centre Léon Bérard, 69008, Lyon, France
| | - Anna-Rita Redavid
- Apoptosis, Cancer and Development Laboratory- Equipe labellisée 'La Ligue', Labex DEVweCAN, Institut Convergence PLAsCAN, Centre de Cancérologie de Lyon, INSERM U1052-CNRS UMR5286, Université de Lyon, Centre Léon Bérard, 69008, Lyon, France
| | - Camille Victoor
- Apoptosis, Cancer and Development Laboratory- Equipe labellisée 'La Ligue', Labex DEVweCAN, Institut Convergence PLAsCAN, Centre de Cancérologie de Lyon, INSERM U1052-CNRS UMR5286, Université de Lyon, Centre Léon Bérard, 69008, Lyon, France
- Netris Pharma, Centre Léon Bérard, 69008, Lyon, France
| | - Ruxanda Chira
- Apoptosis, Cancer and Development Laboratory- Equipe labellisée 'La Ligue', Labex DEVweCAN, Institut Convergence PLAsCAN, Centre de Cancérologie de Lyon, INSERM U1052-CNRS UMR5286, Université de Lyon, Centre Léon Bérard, 69008, Lyon, France
- Netris Pharma, Centre Léon Bérard, 69008, Lyon, France
| | | | - Maëva Hervieu
- Apoptosis, Cancer and Development Laboratory- Equipe labellisée 'La Ligue', Labex DEVweCAN, Institut Convergence PLAsCAN, Centre de Cancérologie de Lyon, INSERM U1052-CNRS UMR5286, Université de Lyon, Centre Léon Bérard, 69008, Lyon, France
| | - Roméo Bergé
- Apoptosis, Cancer and Development Laboratory- Equipe labellisée 'La Ligue', Labex DEVweCAN, Institut Convergence PLAsCAN, Centre de Cancérologie de Lyon, INSERM U1052-CNRS UMR5286, Université de Lyon, Centre Léon Bérard, 69008, Lyon, France
- Netris Pharma, Centre Léon Bérard, 69008, Lyon, France
| | - Justine Lengrand
- Apoptosis, Cancer and Development Laboratory- Equipe labellisée 'La Ligue', Labex DEVweCAN, Institut Convergence PLAsCAN, Centre de Cancérologie de Lyon, INSERM U1052-CNRS UMR5286, Université de Lyon, Centre Léon Bérard, 69008, Lyon, France
- Netris Pharma, Centre Léon Bérard, 69008, Lyon, France
| | - Pauline Vieugué
- Apoptosis, Cancer and Development Laboratory- Equipe labellisée 'La Ligue', Labex DEVweCAN, Institut Convergence PLAsCAN, Centre de Cancérologie de Lyon, INSERM U1052-CNRS UMR5286, Université de Lyon, Centre Léon Bérard, 69008, Lyon, France
| | - David Neves
- Netris Pharma, Centre Léon Bérard, 69008, Lyon, France
| | - Isabelle Goddard
- Apoptosis, Cancer and Development Laboratory- Equipe labellisée 'La Ligue', Labex DEVweCAN, Institut Convergence PLAsCAN, Centre de Cancérologie de Lyon, INSERM U1052-CNRS UMR5286, Université de Lyon, Centre Léon Bérard, 69008, Lyon, France
| | - Mathieu Richaud
- Apoptosis, Cancer and Development Laboratory- Equipe labellisée 'La Ligue', Labex DEVweCAN, Institut Convergence PLAsCAN, Centre de Cancérologie de Lyon, INSERM U1052-CNRS UMR5286, Université de Lyon, Centre Léon Bérard, 69008, Lyon, France
| | - Pierre-Alexandre Laval
- Apoptosis, Cancer and Development Laboratory- Equipe labellisée 'La Ligue', Labex DEVweCAN, Institut Convergence PLAsCAN, Centre de Cancérologie de Lyon, INSERM U1052-CNRS UMR5286, Université de Lyon, Centre Léon Bérard, 69008, Lyon, France
| | - Nicolas Rama
- Apoptosis, Cancer and Development Laboratory- Equipe labellisée 'La Ligue', Labex DEVweCAN, Institut Convergence PLAsCAN, Centre de Cancérologie de Lyon, INSERM U1052-CNRS UMR5286, Université de Lyon, Centre Léon Bérard, 69008, Lyon, France
| | | | - Andrea Paradisi
- Apoptosis, Cancer and Development Laboratory- Equipe labellisée 'La Ligue', Labex DEVweCAN, Institut Convergence PLAsCAN, Centre de Cancérologie de Lyon, INSERM U1052-CNRS UMR5286, Université de Lyon, Centre Léon Bérard, 69008, Lyon, France
| | - Nicolas Gourdin
- Targeting of the Tumor and its Immune Environnement, Centre de Cancérologie de Lyon, INSERM U1052-CNRS UMR5286, Université de Lyon, Centre Léon Bérard, 69008, Lyon, France
| | | | | | - Nicolas Gadot
- Pathology Department, Centre Léon Bérard, Lyon, France
| | | | | | - Didier Decaudin
- Laboratory of Preclinical Investigations, Translational Research Department, Institut Curie, Université Paris-Sciences-et-Lettres, 75005, Paris, France
| | - Fariba Némati
- Laboratory of Preclinical Investigations, Translational Research Department, Institut Curie, Université Paris-Sciences-et-Lettres, 75005, Paris, France
| | - Elisabetta Marangoni
- Laboratory of Preclinical Investigations, Translational Research Department, Institut Curie, Université Paris-Sciences-et-Lettres, 75005, Paris, France
| | | | | | | | | | - Kathryn J Moore
- Department of Medicine, Leon H. Charney Division of Cardiology, New York University School of Medicine, New York, NY, USA
| | - Benjamin Gibert
- Apoptosis, Cancer and Development Laboratory- Equipe labellisée 'La Ligue', Labex DEVweCAN, Institut Convergence PLAsCAN, Centre de Cancérologie de Lyon, INSERM U1052-CNRS UMR5286, Université de Lyon, Centre Léon Bérard, 69008, Lyon, France.
| | - Patrick Mehlen
- Apoptosis, Cancer and Development Laboratory- Equipe labellisée 'La Ligue', Labex DEVweCAN, Institut Convergence PLAsCAN, Centre de Cancérologie de Lyon, INSERM U1052-CNRS UMR5286, Université de Lyon, Centre Léon Bérard, 69008, Lyon, France.
- Netris Pharma, Centre Léon Bérard, 69008, Lyon, France.
| | - Agnes Bernet
- Apoptosis, Cancer and Development Laboratory- Equipe labellisée 'La Ligue', Labex DEVweCAN, Institut Convergence PLAsCAN, Centre de Cancérologie de Lyon, INSERM U1052-CNRS UMR5286, Université de Lyon, Centre Léon Bérard, 69008, Lyon, France.
- Netris Pharma, Centre Léon Bérard, 69008, Lyon, France.
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8
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Han D, Wang L, Jiang S, Yang Q. The ubiquitin-proteasome system in breast cancer. Trends Mol Med 2023:S1471-4914(23)00096-5. [PMID: 37328395 DOI: 10.1016/j.molmed.2023.05.006] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2023] [Revised: 05/12/2023] [Accepted: 05/17/2023] [Indexed: 06/18/2023]
Abstract
Ubiquitin-proteasome system (UPS) is a selective proteolytic system that is associated with the expression or function of target proteins and participates in various physiological and pathological processes of breast cancer. Inhibitors targeting the 26S proteasome in combination with other drugs have shown promising therapeutic effects in the clinical treatment of breast cancer. Moreover, several inhibitors/stimulators targeting other UPS components are also effective in preclinical studies, but have not yet been applied in the clinical treatment of breast cancer. Therefore, it is vital to comprehensively understand the functions of ubiquitination in breast cancer and to identify potential tumor promoters or tumor suppressors among UPS family members, with the aim of developing more effective and specific inhibitors/stimulators targeting specific components of this system.
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Affiliation(s)
- Dianwen Han
- Department of Breast Surgery, General Surgery, Qilu Hospital of Shandong University, Jinan, Shandong 250012, China
| | - Lijuan Wang
- Pathology Tissue Bank, Qilu Hospital of Shandong University, Jinan, Shandong 250012, China
| | - Shan Jiang
- Department of Breast Surgery, General Surgery, Qilu Hospital of Shandong University, Jinan, Shandong 250012, China
| | - Qifeng Yang
- Department of Breast Surgery, General Surgery, Qilu Hospital of Shandong University, Jinan, Shandong 250012, China; Pathology Tissue Bank, Qilu Hospital of Shandong University, Jinan, Shandong 250012, China; Research Institute of Breast Cancer, Shandong University, Jinan, Shandong 250012, China.
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9
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Jana S, Li W, Lei PJ, Wang Z, Huang P, Jones D. "Isolation and characterization of a novel hormone receptor positive mammary adenocarcinoma MCa-P1362 with stromal drivers of tumor growth, metastasis, and drug resistance". BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.06.02.543434. [PMID: 37333242 PMCID: PMC10274631 DOI: 10.1101/2023.06.02.543434] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/20/2023]
Abstract
Preclinical models that display spontaneous metastasis are necessary to improve therapeutic options for hormone receptor positive breast cancers. In this study, we conducted a detailed cellular and molecular characterization of MCa-P1362, a novel syngeneic Balb/c mouse model of metastatic breast cancer. MCa-P1362 cancer cells expressed estrogen receptors (ER), progesterone receptors (PR), and HER-2 receptors. MCa-P1362 cells proliferate in vitro and in vivo in response to estrogen, yet do not depend on steroid hormones for tumor progression. Further characterization of MCa-P1362 tumor explants shows that they contain a mixture of epithelial cancer cells and stromal cells. Based on transcriptomic and functional analyses of cancer and stromal cells, stem cells are present in both populations. Functional studies demonstrate that crosstalk between cancer and stromal cells promotes tumor growth, metastasis, and drug resistance. MCa-P1362 may serve as a useful preclinical model to investigate the cellular and molecular basis of hormone receptor positive tumor progression and therapeutic resistance.
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10
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Ma L, Li C, Yin H, Huang J, Yu S, Zhao J, Tang Y, Yu M, Lin J, Ding L, Cui Q. The Mechanism of DNA Methylation and miRNA in Breast Cancer. Int J Mol Sci 2023; 24:ijms24119360. [PMID: 37298314 DOI: 10.3390/ijms24119360] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2023] [Revised: 05/17/2023] [Accepted: 05/25/2023] [Indexed: 06/12/2023] Open
Abstract
Breast cancer is the most prevalent cancer in the world. Currently, the main treatments for breast cancer are radiotherapy, chemotherapy, targeted therapy and surgery. The treatment measures for breast cancer depend on the molecular subtype. Thus, the exploration of the underlying molecular mechanisms and therapeutic targets for breast cancer remains a hotspot in research. In breast cancer, a high level of expression of DNMTs is highly correlated with poor prognosis, that is, the abnormal methylation of tumor suppressor genes usually promotes tumorigenesis and progression. MiRNAs, as non-coding RNAs, have been identified to play key roles in breast cancer. The aberrant methylation of miRNAs could lead to drug resistance during the aforementioned treatment. Therefore, the regulation of miRNA methylation might serve as a therapeutic target in breast cancer. In this paper, we reviewed studies on the regulatory mechanisms of miRNA and DNA methylation in breast cancer from the last decade, focusing on the promoter region of tumor suppressor miRNAs methylated by DNMTs and the highly expressed oncogenic miRNAs inhibited by DNMTs or activating TETs.
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Affiliation(s)
- Lingyuan Ma
- Lab of Biochemistry & Molecular Biology, School of Life Sciences, Yunnan University, Kunming 650091, China
- Yunnan Collaborative Innovation Center for Plateau Lake Ecology and Environmental Health, Kunming 650214, China
| | - Chenyu Li
- Lab of Biochemistry & Molecular Biology, School of Life Sciences, Yunnan University, Kunming 650091, China
- Yunnan Collaborative Innovation Center for Plateau Lake Ecology and Environmental Health, Kunming 650214, China
| | - Hanlin Yin
- Lab of Biochemistry & Molecular Biology, School of Life Sciences, Yunnan University, Kunming 650091, China
- Yunnan Collaborative Innovation Center for Plateau Lake Ecology and Environmental Health, Kunming 650214, China
| | - Jiashu Huang
- Lab of Biochemistry & Molecular Biology, School of Life Sciences, Yunnan University, Kunming 650091, China
- Yunnan Collaborative Innovation Center for Plateau Lake Ecology and Environmental Health, Kunming 650214, China
| | - Shenghao Yu
- Lab of Biochemistry & Molecular Biology, School of Life Sciences, Yunnan University, Kunming 650091, China
- Yunnan Collaborative Innovation Center for Plateau Lake Ecology and Environmental Health, Kunming 650214, China
| | - Jin Zhao
- Lab of Biochemistry & Molecular Biology, School of Life Sciences, Yunnan University, Kunming 650091, China
- Yunnan Collaborative Innovation Center for Plateau Lake Ecology and Environmental Health, Kunming 650214, China
| | - Yongxu Tang
- Lab of Biochemistry & Molecular Biology, School of Life Sciences, Yunnan University, Kunming 650091, China
- Yunnan Collaborative Innovation Center for Plateau Lake Ecology and Environmental Health, Kunming 650214, China
| | - Min Yu
- Lab of Biochemistry & Molecular Biology, School of Life Sciences, Yunnan University, Kunming 650091, China
- Yunnan Collaborative Innovation Center for Plateau Lake Ecology and Environmental Health, Kunming 650214, China
| | - Jie Lin
- Lab of Biochemistry & Molecular Biology, School of Life Sciences, Yunnan University, Kunming 650091, China
- Yunnan Collaborative Innovation Center for Plateau Lake Ecology and Environmental Health, Kunming 650214, China
| | - Lei Ding
- Lab of Biochemistry & Molecular Biology, School of Life Sciences, Yunnan University, Kunming 650091, China
- Yunnan Collaborative Innovation Center for Plateau Lake Ecology and Environmental Health, Kunming 650214, China
| | - Qinghua Cui
- Lab of Biochemistry & Molecular Biology, School of Life Sciences, Yunnan University, Kunming 650091, China
- Yunnan Collaborative Innovation Center for Plateau Lake Ecology and Environmental Health, Kunming 650214, China
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11
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Li MH, Wang JJ, Feng YQ, Liu X, Yan ZH, Zhang XJ, Wen YX, Luo HW, Li L, De Felici M, Zhao AH, Shen W. H3K4me3 as a target of di(2-ethylhexyl) phthalate (DEHP) impairing primordial follicle assembly. CHEMOSPHERE 2023; 310:136811. [PMID: 36220427 DOI: 10.1016/j.chemosphere.2022.136811] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/01/2022] [Revised: 09/26/2022] [Accepted: 10/06/2022] [Indexed: 06/16/2023]
Abstract
Di (2-ethylhexyl) phthalate (DEHP) is a widely used plastics additive that growing evidence indicates as endocrine disruptor able to negatively affect various reproductive processes both in female and male animals, including humans. However, the precise molecular mechanism of such actions is not completely understood. In the present study, scRNA-seq was performed on the ovaries of offspring from mothers exposed to DEHP from 16.5 days post coitum to 3 days post-partum, when the primordial follicle (PF) stockpile is established. While the histological observations of the offspring ovaries from DEHP exposed mothers confirmed previous data about a distinct reduction of oocytes enclosed in PFs. Focusing on oocytes, scRNA-seq analyses showed that the genes that mostly changed by DEHP were enriched GO terms related to histone H3-K4 methylation. Moreover, we observed H3K4me3 level, an epigenetics modification of H3 that is crucial for chromatin transcription, decreased by 40.28% (P < 0.01) in DEHP-treated group compared with control. When the newborn ovaries were cultured in vitro, the DEHP effects were abolished by tamoxifen (an estrogen receptor antagonist) or overexpression of Smyd3 (one specific methyltransferase of H3K4me3), in particular, the percentage of oocyte enclosed in PF was increased by 15.39% in DEHP plus Smyd3 overexpression group than of DEHP group (P < 0.01), which was accompanied by the upregulation of H3K4me3. Collectively, the present results discover Smyd3-H3K4me3 as a novel target of the deleterious ER-mediated effect of DEHP on PF formation during early folliculogenesis in the mouse and highlight epigenetics changes as prominent targets of endocrine disruptors like DEHP.
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Affiliation(s)
- Ming-Hao Li
- College of Life Sciences, Key Laboratory of Animal Reproduction and Biotechnology in Universities of Shandong, Qingdao Agricultural University, Qingdao, 266109, China
| | - Jun-Jie Wang
- College of Life Sciences, Key Laboratory of Animal Reproduction and Biotechnology in Universities of Shandong, Qingdao Agricultural University, Qingdao, 266109, China
| | - Yan-Qin Feng
- College of Life Sciences, Key Laboratory of Animal Reproduction and Biotechnology in Universities of Shandong, Qingdao Agricultural University, Qingdao, 266109, China
| | - Xuan Liu
- College of Life Sciences, Key Laboratory of Animal Reproduction and Biotechnology in Universities of Shandong, Qingdao Agricultural University, Qingdao, 266109, China
| | - Zi-Hui Yan
- College of Life Sciences, Key Laboratory of Animal Reproduction and Biotechnology in Universities of Shandong, Qingdao Agricultural University, Qingdao, 266109, China
| | - Xiao-Jun Zhang
- College of Animal Science and Technology, Northwest A&F University, Yangling, 712100, China
| | - Ya-Xin Wen
- College of Life Sciences, Key Laboratory of Animal Reproduction and Biotechnology in Universities of Shandong, Qingdao Agricultural University, Qingdao, 266109, China
| | - Hao-Wei Luo
- College of Life Sciences, Key Laboratory of Animal Reproduction and Biotechnology in Universities of Shandong, Qingdao Agricultural University, Qingdao, 266109, China
| | - Lan Li
- College of Life Sciences, Key Laboratory of Animal Reproduction and Biotechnology in Universities of Shandong, Qingdao Agricultural University, Qingdao, 266109, China
| | - Massimo De Felici
- Department of Biomedicine and Prevention, University of Rome Tor Vergata, Rome, 00133, Italy.
| | - Ai-Hong Zhao
- Qingdao Academy of Agricultural Sciences, Qingdao, 266100, China.
| | - Wei Shen
- College of Life Sciences, Key Laboratory of Animal Reproduction and Biotechnology in Universities of Shandong, Qingdao Agricultural University, Qingdao, 266109, China.
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12
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Wang H, Mi K. Emerging roles of endoplasmic reticulum stress in the cellular plasticity of cancer cells. Front Oncol 2023; 13:1110881. [PMID: 36890838 PMCID: PMC9986440 DOI: 10.3389/fonc.2023.1110881] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2022] [Accepted: 01/31/2023] [Indexed: 02/22/2023] Open
Abstract
Cellular plasticity is a well-known dynamic feature of tumor cells that endows tumors with heterogeneity and therapeutic resistance and alters their invasion-metastasis progression, stemness, and drug sensitivity, thereby posing a major challenge to cancer therapy. It is becoming increasingly clear that endoplasmic reticulum (ER) stress is a hallmark of cancer. The dysregulated expression of ER stress sensors and the activation of downstream signaling pathways play a role in the regulation of tumor progression and cellular response to various challenges. Moreover, mounting evidence implicates ER stress in the regulation of cancer cell plasticity, including epithelial-mesenchymal plasticity, drug resistance phenotype, cancer stem cell phenotype, and vasculogenic mimicry phenotype plasticity. ER stress influences several malignant characteristics of tumor cells, including epithelial-to-mesenchymal transition (EMT), stem cell maintenance, angiogenic function, and tumor cell sensitivity to targeted therapy. The emerging links between ER stress and cancer cell plasticity that are implicated in tumor progression and chemoresistance are discussed in this review, which may aid in formulating strategies to target ER stress and cancer cell plasticity in anticancer treatments.
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Affiliation(s)
- Hao Wang
- Breast Surgery, Sichuan Cancer Hospital & Institute, Sichuan Cancer Center, School of Medicine, University of Electronic Science and Technology of China, Chengdu, China
| | - Kun Mi
- Radiation Oncology Key Laboratory of Sichuan Province, Sichuan Cancer Hospital & Institute, Sichuan Cancer Center, School of Medicine, University of Electronic Science and Technology of China, Chengdu, China
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13
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Zapata-García JA, Riveros-Magaña AR, Ortiz-Lazareno PC, Hernández-Flores G, Jave-Suárez LF, Aguilar-Lemarroy A. Comparative Genomic Hybridization and Transcriptome Sequencing Reveal Genes with Gain in Acute Lymphoblastic Leukemia: JUP Expression Emerges as a Survival-Related Gene. Diagnostics (Basel) 2022; 12:diagnostics12112788. [PMID: 36428851 PMCID: PMC9689318 DOI: 10.3390/diagnostics12112788] [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: 09/29/2022] [Revised: 11/08/2022] [Accepted: 11/10/2022] [Indexed: 11/16/2022] Open
Abstract
Acute lymphoblastic leukemia (ALL) in children or adults is characterized by structural and numeric aberrations in chromosomes; these anomalies strongly correlate with prognosis and clinical outcome. Therefore, this work aimed to identify the genes present in chromosomal gain regions found more frequently in patients with acute lymphoblastic leukemia (ALL) and ALL-derived cell lines using comparative genomic hybridization (CGH). In addition, validation of the genes found in these regions was performed utilizing RNAseq from JURKAT, CEM, and SUP-B15 cell lines, as well as expression microarrays derived from a MILE study. Chromosomes with common gain zones that were maintained in six or more samples were 14, 17, and 22, in which a total of 22 genes were identified. From them, NT5C3B, CNP, ACLY, and GNB1L maintained overexpression at the mRNA level in the cell lines and in patients with ALL. It is noteworthy that SALL2 showed very high expression in T-ALL, while JUP was highly expressed in B-ALL lineages. Interestingly, the latter correlated with worse survival in patients. This provided evidence that the measurement of these genes has high potential for clinical utility; however, their expressions should first be evaluated with a sensitive test in a more significant number of patients.
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Affiliation(s)
- Jessica Alejandra Zapata-García
- Programa de Doctorado en Ciencias Biomédicas, Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, Guadalajara C.P. 44340, Mexico
- División de Inmunología, Centro de Investigación Biomédica de Occidente (CIBO), Instituto Mexicano del Seguro Social (IMSS), Guadalajara C.P. 44340, Mexico
| | - Alma Rocío Riveros-Magaña
- Centro Universitario del Sur, Universidad de Guadalajara, Ciudad Guzmán C.P. 49000, Mexico
- Hospital General Zona 9, Ciudad Guzmán C.P. 49000, Mexico
| | - Pablo Cesar Ortiz-Lazareno
- División de Inmunología, Centro de Investigación Biomédica de Occidente (CIBO), Instituto Mexicano del Seguro Social (IMSS), Guadalajara C.P. 44340, Mexico
| | - Georgina Hernández-Flores
- División de Inmunología, Centro de Investigación Biomédica de Occidente (CIBO), Instituto Mexicano del Seguro Social (IMSS), Guadalajara C.P. 44340, Mexico
| | - Luis Felipe Jave-Suárez
- Programa de Doctorado en Ciencias Biomédicas, Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, Guadalajara C.P. 44340, Mexico
- División de Inmunología, Centro de Investigación Biomédica de Occidente (CIBO), Instituto Mexicano del Seguro Social (IMSS), Guadalajara C.P. 44340, Mexico
| | - Adriana Aguilar-Lemarroy
- Programa de Doctorado en Ciencias Biomédicas, Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, Guadalajara C.P. 44340, Mexico
- División de Inmunología, Centro de Investigación Biomédica de Occidente (CIBO), Instituto Mexicano del Seguro Social (IMSS), Guadalajara C.P. 44340, Mexico
- Correspondence: ; Tel.: +52-331-520-7625
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14
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Riffo E, Palma M, Hepp MI, Benítez-Riquelme D, Torres VA, Castro AF, Pincheira R. The Sall2 transcription factor promotes cell migration regulating focal adhesion turnover and integrin β1 expression. Front Cell Dev Biol 2022; 10:1031262. [DOI: 10.3389/fcell.2022.1031262] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2022] [Accepted: 10/25/2022] [Indexed: 11/10/2022] Open
Abstract
SALL2/Sall2 is a transcription factor associated with development, neuronal differentiation, and cancer. Interestingly, SALL2/Sall2 deficiency leads to failure of the optic fissure closure and neurite outgrowth, suggesting a positive role for SALL2/Sall2 in cell migration. However, in some cancer cells, SALL2 deficiency is associated with increased cell migration. To further investigate the role of Sall2 in the cell migration process, we used immortalized Sall2 knockout (Sall2−/−) and Sall2 wild-type (Sall2+/+) mouse embryonic fibroblasts (iMEFs). Our results indicated that Sall2 positively regulates cell migration, promoting cell detachment and focal adhesions turnover. Sall2 deficiency decreased cell motility and altered focal adhesion dynamics. Accordingly, restoring Sall2 expression in the Sall2−/− iMEFs by using a doxycycline-inducible Tet-On system recovered cell migratory capabilities and focal adhesion dynamics. In addition, Sall2 promoted the autophosphorylation of Focal Adhesion Kinase (FAK) at Y397 and increased integrin β1 mRNA and its protein expression at the cell surface. We demonstrated that SALL2 increases ITGB1 promoter activity and binds to conserved SALL2-binding sites at the proximal region of the ITGB1 promoter, validated by ChIP experiments. Furthermore, the overexpression of integrin β1 or its blockade generates a cell migration phenotype similar to that of Sall2+/+ or Sall2−/− cells, respectively. Altogether, our data showed that Sall2 promotes cell migration by modulating focal adhesion dynamics, and this phenotype is associated with SALL2/Sall2-transcriptional regulation of integrin β1 expression and FAK autophosphorylation. Since deregulation of cell migration promotes congenital abnormalities, tumor formation, and spread to other tissues, our findings suggest that the SALL2/Sall2-integrin β1 axis could be relevant for those processes.
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15
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Han D, Wang L, Long L, Su P, Luo D, Zhang H, Li Z, Chen B, Zhao W, Zhang N, Wang X, Liang Y, Li Y, Hu G, Yang Q. The E3 Ligase TRIM4 Facilitates SET Ubiquitin-Mediated Degradation to Enhance ER-α Action in Breast Cancer. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2022; 9:e2201701. [PMID: 35843886 PMCID: PMC9443474 DOI: 10.1002/advs.202201701] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/23/2022] [Revised: 06/10/2022] [Indexed: 06/15/2023]
Abstract
Estrogen receptor alpha (ER-α) action is critical for hormone-dependent breast cancer, and ER-α dysregulation can lead to the emergence of resistance to endocrine therapy. Here, it is found that TRIM4 is downregulated in tamoxifen (TAM)-resistant breast cancer cells, while the loss of TRIM4 is associated with an unfavorable prognosis. In vitro and in vivo experiments confirm that TRIM4 increased ER-α expression and the sensitivity of breast cancer cells to TAM. Mechanistically, TRIM4 is found to target SET, and TRIM4-SET interactions are mediated by the RING and B-box domains of TRIM4 and the carboxyl terminus of SET. Moreover, it is determined that TRIM4 catalyzed the K48-linked polyubiquitination of SET (K150 and K172), promoting its proteasomal degradation and disassociation from p53 and PP2A. Once released, p53 and PP2A are able to further promote ESR1 gene transcription and enhance mRNA stability. Moreover, univariate and multivariate Cox proportional hazards regression analyses confirm that TRIM4 expression is an independent predictor of overall survival and recurrence-free survival outcomes in patients with ER-α positive breast cancer. Taken together, the data highlights a previously undiscovered mechanism and suggest that TRIM4 is a valuable biomarker that can be analyzed to predict response to endocrine therapy in breast cancer patients.
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Affiliation(s)
- Dianwen Han
- Department of Breast Surgery, General SurgeryQilu Hospital of Shandong UniversityJinanShandong250012China
| | - Lijuan Wang
- Pathology Tissue BankQilu Hospital of Shandong UniversityJinanShandong250012China
| | - Li Long
- Department of Breast Surgery, General SurgeryQilu Hospital of Shandong UniversityJinanShandong250012China
- Mianyang Central HospitalSchool of MedicineUniversity of Electronic Science and Technology of ChinaMianyangSichuan621000China
| | - Peng Su
- Department of PathologyQilu Hospital of Shandong UniversityJinanShandong250012China
| | - Dan Luo
- Department of Breast Surgery, General SurgeryQilu Hospital of Shandong UniversityJinanShandong250012China
| | - Hanwen Zhang
- Department of Breast Surgery, General SurgeryQilu Hospital of Shandong UniversityJinanShandong250012China
| | - Zheng Li
- Department of Breast Surgery, General SurgeryQilu Hospital of Shandong UniversityJinanShandong250012China
| | - Bing Chen
- Pathology Tissue BankQilu Hospital of Shandong UniversityJinanShandong250012China
| | - Wenjing Zhao
- Pathology Tissue BankQilu Hospital of Shandong UniversityJinanShandong250012China
| | - Ning Zhang
- Department of Breast Surgery, General SurgeryQilu Hospital of Shandong UniversityJinanShandong250012China
| | - Xiaolong Wang
- Department of Breast Surgery, General SurgeryQilu Hospital of Shandong UniversityJinanShandong250012China
| | - Yiran Liang
- Department of Breast Surgery, General SurgeryQilu Hospital of Shandong UniversityJinanShandong250012China
| | - Yaming Li
- Department of Breast Surgery, General SurgeryQilu Hospital of Shandong UniversityJinanShandong250012China
| | - Guohong Hu
- The Key Laboratory of Stem Cell BiologyInstitute of Health SciencesShanghai Institutes for Biological SciencesChinese Academy of Sciences & Shanghai Jiao Tong University School of MedicineUniversity of Chinese Academy of SciencesShanghai200233China
| | - Qifeng Yang
- Department of Breast Surgery, General SurgeryQilu Hospital of Shandong UniversityJinanShandong250012China
- Pathology Tissue BankQilu Hospital of Shandong UniversityJinanShandong250012China
- Research Institute of Breast CancerShandong UniversityJinanShandong250012China
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16
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Zhu K, Wang Q, Wang L. Analysis of Competitive Endogenous RNA Regulatory Network of Exosomal Breast Cancer Based on exoRBase. Evol Bioinform Online 2022; 18:11769343221113286. [PMID: 35898233 PMCID: PMC9309761 DOI: 10.1177/11769343221113286] [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: 03/07/2022] [Accepted: 06/03/2022] [Indexed: 12/24/2022] Open
Abstract
Objective: To construct a competitive endogenous RNA (ceRNA) regulatory network derived
from exosomes of human breast cancer (BC) by using the exoRbase database, to
explore the possible pathogenesis of BC, and to develop new targets for
future diagnosis and treatment. Methods: The exosomal gene sequencing data of BC patients and normal controls were
downloaded from the exoRbase database, and the expression profiles of
exosomal mRNA, long non-coding RNA (lncRNA), and circular RNA (circRNA) were
analyzed by using R language. Use Targetscan and miRanda database to jointly
predict and differentially express miRNA (microRNA), miRNA combined with
mRNA. The miRcode database was used to predict the miRNA combined with
differentially expressed lncRNA, and the starBase database was used to
predict the miRNA combined with circRNA in the difference table. The related
mRNA, circRNA, lncRNA, and their corresponding miRNA prediction data were
imported into Cytoscape software to visualize the ceRNA network. Enrichment
analysis and visualization of KEGG were carried out using KOBAS. Hub gene
was determined by Cytohubba plug-in. Results: Forty-two differentially expressed mRNA, 43 differentially expressed circRNA,
and 26 differentially expressed lncRNA were screened out. The ceRNA network
was constructed by using Cytoscape software, including 19 mRNA nodes, 2
lncRNA nodes, 8 circRNA nodes, and 41 miRNA nodes. KEGG enrichment analysis
showed that differentially expressed mRNA in the regulatory network mainly
enriched the p53 signaling pathway. Find the key Hub gene PTEN. Conclusion: The ceRNA regulatory network in blood exosomes of BC patients has been
successfully constructed in this study, which provides an exact target for
the diagnosis and treatment of BC.
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Affiliation(s)
- Kangle Zhu
- Department of General Surgery, Affiliated Hospital of Nantong University, Nantong, Jiangsu, China
| | - Qingqing Wang
- Department of General Surgery, Affiliated Hospital of Nantong University, Nantong, Jiangsu, China
| | - Lian Wang
- Department of Oncology, Xuyi People's Hospital, Huai An, Jiangsu, China
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17
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Sukocheva OA, Lukina E, Friedemann M, Menschikowski M, Hagelgans A, Aliev G. The crucial role of epigenetic regulation in breast cancer anti-estrogen resistance: Current findings and future perspectives. Semin Cancer Biol 2022; 82:35-59. [PMID: 33301860 DOI: 10.1016/j.semcancer.2020.12.004] [Citation(s) in RCA: 23] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2020] [Revised: 10/22/2020] [Accepted: 12/03/2020] [Indexed: 02/07/2023]
Abstract
Breast cancer (BC) cell de-sensitization to Tamoxifen (TAM) or other selective estrogen receptor (ER) modulators (SERM) is a complex process associated with BC heterogeneity and the transformation of ER signalling. The most influential resistance-related mechanisms include modifications in ER expression and gene regulation patterns. During TAM/SERM treatment, epigenetic mechanisms can effectively silence ER expression and facilitate the development of endocrine resistance. ER status is efficiently regulated by specific epigenetic tools including hypermethylation of CpG islands within ER promoters, increased histone deacetylase activity in the ER promoter, and/or translational repression by miRNAs. Over-methylation of the ER α gene (ESR1) promoter by DNA methyltransferases was associated with poor prognosis and indicated the development of resistance. Moreover, BC progression and spreading were marked by transformed chromatin remodelling, post-translational histone modifications, and expression of specific miRNAs and/or long non-coding RNAs. Therefore, targeted inhibition of histone acetyltransferases (e.g. MYST3), deacetylases (e.g. HDAC1), and/or demethylases (e.g. lysine-specific demethylase LSD1) was shown to recover and increase BC sensitivity to anti-estrogens. Indicated as a powerful molecular instrument, the administration of epigenetic drugs can regain ER expression along with the activation of tumour suppressor genes, which can in turn prevent selection of resistant cells and cancer stem cell survival. This review examines recent advances in the epigenetic regulation of endocrine drug resistance and evaluates novel anti-resistance strategies. Underlying molecular mechanisms of epigenetic regulation will be discussed, emphasising the utilization of epigenetic enzymes and their inhibitors to re-program irresponsive BCs.
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Affiliation(s)
- Olga A Sukocheva
- Discipline of Health Sciences, College of Nursing and Health Sciences, Flinders University, Bedford Park, South Australia, 5042, Australia.
| | - Elena Lukina
- Discipline of Biology, College of Sciences, Flinders University, Bedford Park, South Australia, 5042, Australia
| | - Markus Friedemann
- Institute of Clinical Chemistry and Laboratory Medicine, University Hospital `Carl Gustav Carus`, Technical University of Dresden, Dresden 01307, Germany
| | - Mario Menschikowski
- Institute of Clinical Chemistry and Laboratory Medicine, University Hospital `Carl Gustav Carus`, Technical University of Dresden, Dresden 01307, Germany
| | - Albert Hagelgans
- Institute of Clinical Chemistry and Laboratory Medicine, University Hospital `Carl Gustav Carus`, Technical University of Dresden, Dresden 01307, Germany
| | - Gjumrakch Aliev
- Sechenov First Moscow State Medical University (Sechenov University), Moscow, 119991, Russia; Institute of Physiologically Active Compounds, Russian Academy of Sciences, Chernogolovka, 142432, Russia; Federal State Budgetary Institution «Research Institute of Human Morphology», 3, Tsyurupy Str., Moscow, 117418, Russian Federation; GALLY International Research Institute, San Antonio, TX, 78229, USA.
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18
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Breast Cancer Metastasis: Mechanisms and Therapeutic Implications. Int J Mol Sci 2022; 23:ijms23126806. [PMID: 35743249 PMCID: PMC9224686 DOI: 10.3390/ijms23126806] [Citation(s) in RCA: 81] [Impact Index Per Article: 40.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2022] [Revised: 06/15/2022] [Accepted: 06/17/2022] [Indexed: 02/05/2023] Open
Abstract
Breast cancer is the most common malignancy in women worldwide. Metastasis is the leading cause of high mortality in most cancers. Although predicting the early stage of breast cancer before metastasis can increase the survival rate, breast cancer is often discovered or diagnosed after metastasis has occurred. In general, breast cancer has a poor prognosis because it starts as a local disease and can spread to lymph nodes or distant organs, contributing to a significant impediment in breast cancer treatment. Metastatic breast cancer cells acquire aggressive characteristics from the tumor microenvironment (TME) through several mechanisms including epithelial–mesenchymal transition (EMT) and epigenetic regulation. Therefore, understanding the nature and mechanism of breast cancer metastasis can facilitate the development of targeted therapeutics focused on metastasis. This review discusses the mechanisms leading to metastasis and the current therapies to improve the early diagnosis and prognosis in patients with metastatic breast cancer.
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19
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Vaghari-Tabari M, Hassanpour P, Sadeghsoltani F, Malakoti F, Alemi F, Qujeq D, Asemi Z, Yousefi B. CRISPR/Cas9 gene editing: a new approach for overcoming drug resistance in cancer. Cell Mol Biol Lett 2022; 27:49. [PMID: 35715750 PMCID: PMC9204876 DOI: 10.1186/s11658-022-00348-2] [Citation(s) in RCA: 37] [Impact Index Per Article: 18.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2021] [Accepted: 05/24/2022] [Indexed: 12/18/2022] Open
Abstract
The CRISPR/Cas9 system is an RNA-based adaptive immune system in bacteria and archaea. Various studies have shown that it is possible to target a wide range of human genes and treat some human diseases, including cancers, by the CRISPR/Cas9 system. In fact, CRISPR/Cas9 gene editing is one of the most efficient genome manipulation techniques. Studies have shown that CRISPR/Cas9 technology, in addition to having the potential to be used as a new therapeutic approach in the treatment of cancers, can also be used to enhance the effectiveness of existing treatments. Undoubtedly, the issue of drug resistance is one of the main obstacles in the treatment of cancers. Cancer cells resist anticancer drugs by a variety of mechanisms, such as enhancing anticancer drugs efflux, enhancing DNA repair, enhancing stemness, and attenuating apoptosis. Mutations in some proteins of different cellular signaling pathways are associated with these events and drug resistance. Recent studies have shown that the CRISPR/Cas9 technique can be used to target important genes involved in these mechanisms, thereby increasing the effectiveness of anticancer drugs. In this review article, studies related to the applications of this technique in overcoming drug resistance in cancer cells will be reviewed. In addition, we will give a brief overview of the limitations of the CRISP/Cas9 gene-editing technique.
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Affiliation(s)
- Mostafa Vaghari-Tabari
- Department of Clinical Biochemistry and Laboratory Medicine, School of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Parisa Hassanpour
- Department of Clinical Biochemistry and Laboratory Medicine, School of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Fatemeh Sadeghsoltani
- Department of Clinical Biochemistry and Laboratory Medicine, School of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Faezeh Malakoti
- Department of Clinical Biochemistry and Laboratory Medicine, School of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Forough Alemi
- Department of Clinical Biochemistry and Laboratory Medicine, School of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Durdi Qujeq
- Cellular and Molecular Biology Research Center (CMBRC), Health Research Institute, Babol University of Medical Sciences, Babol, Iran.,Department of Clinical Biochemistry, Babol University of Medical Sciences, Babol, Iran
| | - Zatollah Asemi
- Research Center for Biochemistry and Nutrition in Metabolic Diseases, Kashan University of Medical Sciences, Kashan, Iran.
| | - Bahman Yousefi
- Department of Clinical Biochemistry and Laboratory Medicine, School of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran. .,Molecular Medicine Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.
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20
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Luo G, Li Q, Yu M, Wang T, Zang Y, Liu Z, Niu Z, Yang H, Lai J. UHRF1 modulates breast cancer cell growth via estrogen signaling. Med Oncol 2022; 39:111. [PMID: 35666346 DOI: 10.1007/s12032-022-01720-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2022] [Accepted: 03/28/2022] [Indexed: 11/28/2022]
Abstract
The ubiquitination process, which involves that binding of an ubiquitin protein to certain substrates, regulates several human biological processes and human cancers. Several studies report that the abnormal expression of quite a few E3 ubiquitin ligases could play critical role in carcinogenic process and cancer progression. In our current study, we identify UHRF1 (Ubiquitin Like with PHD And Ring Finger Domain 1) is an important regulator for breast cancer growth. UHRF1 depletion significantly decreases breast cancer growth in vitro and in vivo. Clinical data analysis reveals that UHRF1 is dramatically elevated in breast cancer, compared to normal breast tissue. UHRF1 correlates with poor survival in luminal type of breast cancer patients, but not in ER-negative groups. The molecular biological studies show that UHRF1 localizes in the nuclear and interact with ERα via its SRA domain, which subsequently inhibits K48-linked ubiquitination of ERα and enhances ERα stability. Our study provides a novel function of UHRF1 in regulation estrogen signaling in breast cancer and a promising target for breast cancer therapeutics.
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Affiliation(s)
- Guosheng Luo
- School of Forensic Medicine, Xi'an Jiaotong University, 76 Yanta West Road, Xi'an, 710061, Shaanxi, People's Republic of China
- The Affiliated People's Hospital of Xinxiang Medical University, Henan Province, Xinxiang, 453003, People's Republic of China
- Xinxiang Key Laboratory of Tumor Migration and Invasion Precision Medicine, Xinxiang Medical University, Xinxiang, 453003, Henan Province, People's Republic of China
| | - Quanhui Li
- Department of General Surgery, The Second Hospital, Cheeloo College of Medicine, Shandong University, Jinan, Shandong Province, People's Republic of China
| | - Miao Yu
- Department of General Surgery, The Second Hospital, Cheeloo College of Medicine, Shandong University, Jinan, Shandong Province, People's Republic of China
| | - Tianshi Wang
- Department of General Surgery, The Second Hospital, Cheeloo College of Medicine, Shandong University, Jinan, Shandong Province, People's Republic of China
| | - Yifeng Zang
- Department of General Surgery, The Second Hospital, Cheeloo College of Medicine, Shandong University, Jinan, Shandong Province, People's Republic of China
| | - Ziping Liu
- Department of General Surgery, The Second Hospital, Cheeloo College of Medicine, Shandong University, Jinan, Shandong Province, People's Republic of China
| | - Zhiguo Niu
- Xinxiang Key Laboratory of Tumor Migration and Invasion Precision Medicine, Xinxiang Medical University, Xinxiang, 453003, Henan Province, People's Republic of China
| | - Huijie Yang
- Xinxiang Key Laboratory of Tumor Migration and Invasion Precision Medicine, Xinxiang Medical University, Xinxiang, 453003, Henan Province, People's Republic of China.
| | - Jianghua Lai
- School of Forensic Medicine, Xi'an Jiaotong University, 76 Yanta West Road, Xi'an, 710061, Shaanxi, People's Republic of China.
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21
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Mirzaei M, Sheikholeslami SA, Jalili A, Bereimipour A, Sharbati S, Kaveh V, Salari S. Investigating the molecular mechanisms of Tamoxifen on the EMT pathway among patients with breast cancer. J Med Life 2022; 15:835-844. [PMID: 35928368 PMCID: PMC9321501 DOI: 10.25122/jml-2022-0085] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2022] [Accepted: 05/02/2022] [Indexed: 11/15/2022] Open
Abstract
Tamoxifen is one of the most used drugs for breast cancer. This study aimed to investigate the effect of the Tamoxifen mechanism on the epithelial-mesenchymal transition (EMT) pathway among breast cancer patients due to its resistance to breast cancer cells. We selected the appropriate datasets from the GEO database using continuous and integrated bioinformatics analysis. We examined the signaling pathways, gene ontology, and protein association of genes after classifying the gene expression profile. Finally, we confirmed the candidate genes using the GEPIA database. Two groups were defined for gene expression profiles. The first group in which the expression profile of genes increased after Tamoxifen was evaluated using the expression profile of genes that decreased in the EMT pathway. The second group was the opposite of the first group. 253 genes in the first group and 302 genes in the second group were shared. The genes in the first group were involved in various pathways of cell death, focal adhesion, and cellular aging. The second group was more involved in different phases of the cell cycle. Finally, MYLK, SOCS3, and STAT5B proteins from the first group and BIRC5, PLK1, and RAPGAP1 proteins from the second group were selected as candidate proteins in connection with the effect of Tamoxifen on the EMT pathway. We evaluated Tamoxifen's effect on the EMT pathway more accurately. However, for a closer look at Tamoxifen, more studies need to be done on target genes and proteins to clarify their role.
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Affiliation(s)
- Mohammadhossein Mirzaei
- Visveswarapura Institute of Pharmaceutical Sciences, Rajiv Gandhi University of Health Sciences, Bangalore, India
| | - Seyed Amir Sheikholeslami
- Hematology and Oncology Department, Imam Hossein Hospital, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Arsalan Jalili
- Hematopoietic Stem Cell Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran,Department of Stem Cells and Developmental Biology, Cell Science Research Center, Royan Institute for Stem Cell Biology and Technology, ACECR, Tehran, Iran,Department of Basic Medical Sciences, Parvaz Research Ideas Supporter Institute, Tehran, Iran
| | - Ahmad Bereimipour
- Department of Stem Cells and Developmental Biology, Cell Science Research Center, Royan Institute for Stem Cell Biology and Technology, ACECR, Tehran, Iran,Faculty of Sciences and Advanced Technologies in Biology, University of Science and Culture, Tehran, Iran
| | - Sheida Sharbati
- Department of Pharmaceutics, School of Pharmacy, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Vahid Kaveh
- Hematology and Oncology Department, Iran University of Medical Sciences, Tehran, Iran,Corresponding Author: Sina Salari, Hematology and Oncology Department, Taleghani Hospital, Shahid Beheshti University of Medical Sciences, Tehran, Iran. E-mail:
| | - Sina Salari
- Hematology and Oncology Department, Taleghani Hospital, Shahid Beheshti University of Medical Sciences, Tehran, Iran,Vahid Kaveh, Hematology and Oncology Department, Iran University of Medical Sciences, Tehran, Iran. E-mail:
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22
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Liang X, Zhao Y, Fang Z, Shao N, Zhai D, Zhang M, Yu L, Shi Y. DLGAP1-AS2 promotes estrogen receptor signalling and confers tamoxifen resistance in breast cancer. Mol Biol Rep 2022; 49:3939-3947. [PMID: 35449318 DOI: 10.1007/s11033-022-07244-0] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2021] [Revised: 02/05/2022] [Accepted: 02/08/2022] [Indexed: 11/29/2022]
Abstract
BACKGROUND Tamoxifen is a first-line endocrine agent and is often used to treat estrogen receptor-positive (ER+) breast cancer. Unfortunately, approximately 30-40% of patients who received tamoxifen therapy experience recurrence or progression to a fatal advanced stage due to tamoxifen resistance. However, the mechanisms of tamoxifen resistance remain unclear. METHODS The expression of lncRNA DLGAP1 antisense RNA 2 (DLGAP1-AS2) was detected by qPCR. The effect of DLGAP1-AS2 on tamoxifen resistance was evaluated by MTT, colony formation, TUNEL and flow cytometric assays. The mechanisms by which DLGAP1-AS2 regulates tamoxifen resistance were investigated through qPCR, RNA pull-down assays and RNA immunoprecipitation (RIP) assays. RESULTS Our results showed that DLGAP1-AS2 is significantly upregulated in breast cancer and that tamoxifen can induce DLGAP1-AS2 expression. Further investigation suggested that upregulation of DLGAP1-AS2 can increase cell viability and inhibit apoptosis, while downregulation of DLGAP1-AS2 results in the opposite effects. Mechanistically, DLGAP1-AS2 can bind to the AFF3 protein to inhibit its degradation, which further promotes ER signalling. CONCLUSIONS Our research clarified that DLGAP1-AS2 promotes ER signalling to induce tamoxifen resistance and that targeting DLGAP1-AS2 might be a promising strategy to overcome tamoxifen resistance in breast cancer.
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Affiliation(s)
- Xiaoli Liang
- The Department of Breast and Thyroid surgery, the First Affiliated Hospital of Sun Yat-sen University, 58# Zhongshan Two Road, 510080, Guangzhou, Guangdong, China
| | - Yang Zhao
- The Department of Vascular surgery, the Third Affiliated Hospital of Sun Yat-sen University, 600# Tianhe Road, 510000, Guangzhou, Guangdong, China
| | - Zeng Fang
- The Department of Breast and Thyroid surgery, the First Affiliated Hospital of Sun Yat-sen University, 58# Zhongshan Two Road, 510080, Guangzhou, Guangdong, China
| | - Nan Shao
- The Department of Breast and Thyroid surgery, the First Affiliated Hospital of Sun Yat-sen University, 58# Zhongshan Two Road, 510080, Guangzhou, Guangdong, China
| | - Duanyang Zhai
- The Department of Breast and Thyroid surgery, the First Affiliated Hospital of Sun Yat-sen University, 58# Zhongshan Two Road, 510080, Guangzhou, Guangdong, China
| | - Mengmeng Zhang
- The Department of Breast and Thyroid surgery, the First Affiliated Hospital of Sun Yat-sen University, 58# Zhongshan Two Road, 510080, Guangzhou, Guangdong, China
| | - Liang Yu
- The Department of Breast and Thyroid surgery, the First Affiliated Hospital of Sun Yat-sen University, 58# Zhongshan Two Road, 510080, Guangzhou, Guangdong, China.
| | - Yawei Shi
- The Department of Breast and Thyroid surgery, the First Affiliated Hospital of Sun Yat-sen University, 58# Zhongshan Two Road, 510080, Guangzhou, Guangdong, China.
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23
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Epigenetic Factors as Etiological Agents, Diagnostic Markers, and Therapeutic Targets for Luminal Breast Cancer. Biomedicines 2022; 10:biomedicines10040748. [PMID: 35453496 PMCID: PMC9031900 DOI: 10.3390/biomedicines10040748] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2022] [Revised: 03/16/2022] [Accepted: 03/21/2022] [Indexed: 11/16/2022] Open
Abstract
Luminal breast cancer, an etiologically heterogeneous disease, is characterized by high steroid hormone receptor activity and aberrant gene expression profiles. Endocrine therapy and chemotherapy are promising therapeutic approaches to mitigate breast cancer proliferation and recurrence. However, the treatment of therapy-resistant breast cancer is a major challenge. Recent studies on breast cancer etiology have revealed the critical roles of epigenetic factors in luminal breast cancer tumorigenesis and drug resistance. Tumorigenic epigenetic factor-induced aberrant chromatin dynamics dysregulate the onset of gene expression and consequently promote tumorigenesis and metastasis. Epigenetic dysregulation, a type of somatic mutation, is a high-risk factor for breast cancer progression and therapy resistance. Therefore, epigenetic modulators alone or in combination with other therapies are potential therapeutic agents for breast cancer. Several clinical trials have analyzed the therapeutic efficacy of potential epi-drugs for breast cancer and reported beneficial clinical outcomes, including inhibition of tumor cell adhesion and invasiveness and mitigation of endocrine therapy resistance. This review focuses on recent findings on the mechanisms of epigenetic factors in the progression of luminal breast cancer. Additionally, recent findings on the potential of epigenetic factors as diagnostic biomarkers and therapeutic targets for breast cancer are discussed.
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24
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Li Q, Wang M, Zeng L, Guo W, Xu Y, Li C, Lai Y, Ye L, Peng X. Deletion of Wild-type p53 Facilitates Bone Metastatic Function by Blocking the AIP4 Mediated Ligand-Induced Degradation of CXCR4. Front Pharmacol 2022; 12:792293. [PMID: 35177982 PMCID: PMC8844016 DOI: 10.3389/fphar.2021.792293] [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: 10/18/2021] [Accepted: 12/28/2021] [Indexed: 12/18/2022] Open
Abstract
Background: Management of patients with prostate cancer and bone metastatic disease remains a major clinical challenge. Loss or mutation of p53 has been identified to be involved in the tumor progression and metastasis. Nevertheless, direct evidence of a specific role for wild-type p53 (wt-p53) in bone metastasis and the mechanism by which this function is mediated in prostate cancer remain obscure. Methods: The expression and protein levels of wt-53, AIP4, and CXCR4 in prostate cancer cells and clinical specimens were assessed by real-time PCR, immunohistochemistry and western blot analysis. The role of wt-p53 in suppressing aggressive and metastatic tumor phenotypes was assessed using in vitro transwell chemotaxis, wound healing, and competitive colocalization assays. Furthermore, whether p53 deletion facilitates prostate cancer bone-metastatic capacity was explored using an in vivo bone-metastatic model. The mechanistic model of wt-p53 in regulating gene expression was further explored by a luciferase reporter assay and chromatin immunoprecipitation (ChIP) assay. Results: Our findings revealed that wt-p53 suppressed the prostate cancer cell migration rate, chemotaxis and attachment toward the osteoblasts in vitro. The bone-metastatic model showed that deletion of wt-p53 remarkably increased prostate cancer bone-metastatic capacity in vivo. Mechanistically, wt-p53 could induce the ligand-induced degradation of the chemokine receptor CXCR4 by transcriptionally upregulating the expression of ubiquitin ligase AIP4. Treatment with the CXCR4 inhibitor AMD3100 or transduction of the AIP4 plasmid abrogated the pro-bone metastasis effects of TP53 deletion. Conclusion: Wt-p53 suppresses the metastasis of prostate cancer cells to bones by regulating the CXCR4/CXCL12 activity in the tumor cells/bone marrow microenvironment interactions. Our findings suggest that targeting the wt-p53/AIP4/CXCR4 axis might be a promising therapeutic strategy to manage prostate cancer bone metastasis.
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Affiliation(s)
- Qiji Li
- Department of Orthopaedic Surgery, The Seventh Affiliated Hospital, Sun Yat-sen University, Shenzhen, China.,Guangdong Provincial Key Laboratory of Digestive Cancer Research, Guangzhou, China
| | - Min Wang
- Department of Orthopaedic Surgery, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
| | - Leli Zeng
- Guangdong Provincial Key Laboratory of Digestive Cancer Research, Guangzhou, China.,Scientific Research Center, The Seventh Affiliated Hospital, Sun Yat-sen University, Shenzhen, China
| | - Wei Guo
- Department of Orthopaedic Surgery, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
| | - Yuandong Xu
- Department of Urology, The Seventh Affiliated Hospital, Sun Yat-sen University, Shenzhen, China
| | - Chenxin Li
- Scientific Research Center, The Seventh Affiliated Hospital, Sun Yat-sen University, Shenzhen, China
| | - Yingrong Lai
- Department of Pathology, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
| | - Liping Ye
- Guangdong Provincial Key Laboratory of Digestive Cancer Research, Guangzhou, China.,Scientific Research Center, The Seventh Affiliated Hospital, Sun Yat-sen University, Shenzhen, China
| | - Xinsheng Peng
- Department of Orthopaedic Surgery, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
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25
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SALL Proteins; Common and Antagonistic Roles in Cancer. Cancers (Basel) 2021; 13:cancers13246292. [PMID: 34944911 PMCID: PMC8699250 DOI: 10.3390/cancers13246292] [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: 11/01/2021] [Revised: 12/06/2021] [Accepted: 12/09/2021] [Indexed: 01/02/2023] Open
Abstract
Simple Summary Transcription factors play essential roles in regulating gene expression, impacting the cell phenotype and function, and in the response of cells to environmental conditions. Alterations in transcription factors, including gene amplification or deletion, point mutations, and expression changes, are implicated in carcinogenesis, cancer progression, metastases, and resistance to cancer treatments. Not surprisingly, transcription factor activity is altered in numerous cancers, representing a unique class of cancer drug targets. This review updates and integrates information on the SALL family of transcription factors, highlighting the synergistic and/or antagonistic functions they perform in various cancer types. Abstract SALL proteins are a family of four conserved C2H2 zinc finger transcription factors that play critical roles in organogenesis during embryonic development. They regulate cell proliferation, survival, migration, and stemness; consequently, they are involved in various human genetic disorders and cancer. SALL4 is a well-recognized oncogene; however, SALL1–3 play dual roles depending on the cancer context and stage of the disease. Current reviews of SALLs have focused only on SALL2 or SALL4, lacking an integrated view of the SALL family members in cancer. Here, we update the recent advances of the SALL members in tumor development, cancer progression, and therapy, highlighting the synergistic and/or antagonistic functions they perform in similar cancer contexts. We identified common regulatory mechanisms, targets, and signaling pathways in breast, brain, liver, colon, blood, and HPV-related cancers. In addition, we discuss the potential of the SALL family members as cancer biomarkers and in the cancer cells’ response to therapies. Understanding SALL proteins’ function and relationship will open new cancer biology, clinical research, and therapy perspectives.
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26
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Xu D, Zhang Y, Jin F. The role of AKR1 family in tamoxifen resistant invasive lobular breast cancer based on data mining. BMC Cancer 2021; 21:1321. [PMID: 34886806 PMCID: PMC8662825 DOI: 10.1186/s12885-021-09040-8] [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] [Subscribe] [Scholar Register] [Received: 02/21/2021] [Accepted: 11/19/2021] [Indexed: 11/26/2022] Open
Abstract
Background Tamoxifen (TAM) resistance to invasive lobular cell carcinoma is a challenge for breast cancer treatment. This study explored the role of Aldo-keto reductase family 1 (AKR1) family in tamoxifen-resistant aggressive lobular breast cancer based on data mining. Methods TAM-resistant invasive lobular breast cancer gene chip was downloaded from the Gene Expression Omnibus (GEO) database (accession-numbered as GSE96670). The online analytical tool GEO2R was used to screen for differentially expressed genes in TAM-resistant invasive lobular breast cancer cells and TAM-sensitive counterparts. A protein-protein interaction (PPI) networks were constructed using the STRING online platform and the Cytoscape software. GeneMANIA and GSCALite online tools were used to reveal the potential role of these hub genes in breast cancer progression and TAM resistance development. And the used the GSE67916 microarray data set to verify the differentially expression of these hub genes in breast cancer. The protein expression levels of AKR1C1, AKR1C2 and AKR1C3 in TAM-sensitive and resistant breast cancer cells were compared. The TAM sensitivity of breast cancer cells with or without AKR1C1, AKR1C2 or AKR1C3 gene manipulation was evaluated by cell viability assay. Results A total of 184 differentially expressed genes were screened. Compared with TAM sensitive breast cancer cells, 162 were up-regulated and 22 were down-regulated. The study identified several hub genes in the PPI network that may be involved in the development of TAM resistance of breast cancer, including signal transducer and activator of transcription 1 (STAT1), estrogen receptor alpha (ESR1), fibronectin1 (FN1), cytochrome P4501B1 (CYP1B1), AKR1C1, AKR1C2, AKR1C3 and uridine diphosphate glucuronosyltransferase (UGT) 1A family genes (UGT1A1, UGT1A3, UGT1A4, UGT1A6, UGT1A7, UGT1A8, UGT1A9, UGT1A10). Compared with TAM-sensitive counterparts, the expression levels of AKR1C1, AKR1C2, and AKR1C3 were up-regulated in TAM-resistant breast cancer cells. Conclusions Overexpression of each of these three genes significantly increased the resistance of breast cancer cells to TAM treatment, while their knockdown showed opposite effects, indicating that they are potential therapeutic target for the treatment of TAM-resistant breast cancer. Supplementary Information The online version contains supplementary material available at 10.1186/s12885-021-09040-8.
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Affiliation(s)
- Dong Xu
- Department of Breast Surgery, The First Affiliated Hospital of China Medical University, 155N Nanjing Street, Heping, Shenyang, 110001, Liaoning, China
| | - Yiqi Zhang
- Department of Breast Surgery, The First Affiliated Hospital of China Medical University, 155N Nanjing Street, Heping, Shenyang, 110001, Liaoning, China
| | - Feng Jin
- Department of Breast Surgery, The First Affiliated Hospital of China Medical University, 155N Nanjing Street, Heping, Shenyang, 110001, Liaoning, China.
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27
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Shuai C, Yuan F, Liu Y, Wang C, Wang J, He H. Estrogen receptor-positive breast cancer survival prediction and analysis of resistance-related genes introduction. PeerJ 2021; 9:e12202. [PMID: 34760348 PMCID: PMC8555508 DOI: 10.7717/peerj.12202] [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] [Subscribe] [Scholar Register] [Received: 02/25/2021] [Accepted: 09/02/2021] [Indexed: 12/20/2022] Open
Abstract
Background In recent years, ER+ and HER2- breast cancer of adjuvant therapy has made great progress, including chemotherapy and endocrine therapy. We found that the responsiveness of breast cancer treatment was related to the prognosis of patients. However, reliable prognostic signatures based on ER+ and HER2- breast cancer and drug resistance-related prognostic markers have not been well confirmed, This study in amied to establish a drug resistance-related gene signature for risk stratification in ER+ and HER2- breast cancer. Methods We used the data from The Cancer Genoma Atlas (TCGA) breast cancer dataset and gene expression database (Gene Expression Omnibus, GEO), constructed a risk profile based on four drug resistance-related genes, and developed a nomogram to predict the survival of patients with I-III ER+ and HER2- breast cancer. At the same time, we analyzed the relationship between immune infiltration and the expression of these four genes or risk groups. Results Four drug resistance genes (AMIGO2, LGALS3BP, SCUBE2 and WLS) were found to be promising tools for ER+ and HER2- breast cancer risk stratification. Then, the nomogram, which combines genetic characteristics with known risk factors, produced better performance and net benefits in calibration and decision curve analysis. Similar results were validated in three separate GEO cohorts. All of these results showed that the model can be used as a prognostic classifier for clinical decision-making, individual prediction and treatment, as well as follow-up.
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Affiliation(s)
- Chen Shuai
- Department of Breast and Thyroid Surgery, Yiyang Central Hospital, Yiyang, Hunan, China
| | - Fengyan Yuan
- Hunan Normal University of Medicine, Changsha, Hunan, China
| | - Yu Liu
- Hunan Provincial People's Hospital, Changsha, Hunan, China
| | - Chengchen Wang
- Hunan Provincial People's Hospital, Changsha, Hunan, China
| | - Jiansong Wang
- Hunan Provincial People's Hospital, Changsha, Hunan, China
| | - Hongye He
- Department of General Surgery, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China
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28
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Ma T, Shi S, Jiang H, Chen X, Xu D, Ding X, Zhang H, Xi Y. A pan-cancer study of spalt-like transcription factors 1/2/3/4 as therapeutic targets. Arch Biochem Biophys 2021; 711:109016. [PMID: 34411579 DOI: 10.1016/j.abb.2021.109016] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2021] [Revised: 08/06/2021] [Accepted: 08/13/2021] [Indexed: 11/16/2022]
Abstract
Spalt-like transcription factors (SALLs) are evolutionarily conserved proteins that participate in embryonic development. Four members of the SALL family, SALL1, SALL2, SALL3, and SALL4, are involved in cellular apoptosis, angiogenesis, invasion, and metastasis of tumors. We used the TCGA pan-cancer data to conduct a comprehensive analysis of SALL genes. High heterogeneity in the expression of these genes was observed across various cancers, SALL1 and SALL2 were downregulated, whereas SALL4 was upregulated. Moreover, we verified that SALL4 was commonly associated with survival disadvantage, whereas others were linked to a better prognosis. In renal cancer, SALL1, SALL2, and SALL3 showed downregulation, suggesting that they acted as tumor suppressors. Furthermore, SALLs were associated with immune infiltrate subtypes, with a close association between different degrees of infiltration of stromal cells and immune cells. DNA and RNA analyses in different tumors suggested different degrees of negative or positive correlation with tumor stem cell-like features. Finally, we revealed that SALLs were related to cancer cell resistance. Our results highlight the necessity to further study each SALL gene as a separate entity in specific types of cancer. Although this article showed that SALLs could be promising targets for cancer therapy, it needs further studies to validate the findings.
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Affiliation(s)
- Ting Ma
- The Affiliated Hospital of Medical School, Ningbo University, Ningbo, China; Institute of Biochemistry and Molecular Biology, School of Medicine, Ningbo University, Ningbo, China
| | - Shanping Shi
- The Affiliated Hospital of Medical School, Ningbo University, Ningbo, China
| | - Haizhong Jiang
- Department of Gastroenterology, Ningbo First Hospital, Ningbo, China
| | - Xianwu Chen
- The Affiliated Hospital of Medical School, Ningbo University, Ningbo, China
| | - Dingli Xu
- The Affiliated Hospital of Medical School, Ningbo University, Ningbo, China
| | - Xiaoyun Ding
- Department of Gastroenterology, Ningbo First Hospital, Ningbo, China
| | - Hongyan Zhang
- College of Information and Intelligence, Hunan Agricultural University, Changsha, China
| | - Yang Xi
- The Affiliated Hospital of Medical School, Ningbo University, Ningbo, China; Institute of Biochemistry and Molecular Biology, School of Medicine, Ningbo University, Ningbo, China.
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Kaboli PJ, Imani S, Jomhori M, Ling KH. Chemoresistance in breast cancer: PI3K/Akt pathway inhibitors vs the current chemotherapy. Am J Cancer Res 2021; 11:5155-5183. [PMID: 34765318 PMCID: PMC8569340] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2021] [Accepted: 06/12/2021] [Indexed: 06/13/2023] Open
Abstract
Breast cancer is the most prevalent type of cancer among women. Several types of drugs, targeting the specific proteins expressed on the breast cancer cell surface (such as receptor tyrosine kinases and immune checkpoint regulators) and proteins involved in cell cycle and motility (including cyclin-dependent kinases, DNA stabilisers, and cytoskeleton modulators) are approved for different subtypes of breast cancer. However, breast cancer also has a poor response to conventional chemotherapy due to intrinsic and acquired resistance, and an Akt fingerprint is detectable in most drug-resistant cases. Overactivation of Akt and its upstream and downstream regulators in resistant breast cancer cells is considered a major potential target for novel anti-cancer therapies, suggesting that Akt signalling acts as a cellular mechanism against chemotherapy. The present review has shown that sustained activation of Akt results in resistance to different types of chemotherapy. Akt signalling plays a cellular defence role against chemotherapy and (1) enhances multi-drug resistance, (2) increases reactive oxygen species at breast tumor microenvironment, (3) enhances anaerobic metabolism, (4) inhibits the tricarboxylic cycle, (5) promotes PD-L1 upregulation, (6) inhibits apoptosis, (7) increases glucose uptake, and more importantly (8) recruits and interconnects the plasma membrane, nucleus, endoplasmic reticulum, and mitochondria to hijack breast cancer cells and rescue these cells from chemotherapy. Therefore, Akt signalling is considered a cellular defence mechanism employed against chemotherapeutic effects. In addition, interfering roles of PI3K/Akt signalling on the current cytotoxic and molecularly targeted therapy as well as immunotherapy of breast cancer are discussed with a clinical approach. Although, alpelisib, a PIK3CA inhibitor, is the only PI3K/Akt pathway inhibitor approved for breast cancer, we also highlight well-evaluated inhibitors of PI3K/Akt signalling based on different subtypes of breast cancer, which are under clinical trials whether as monotherapy or in combination with other types of chemotherapy.
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Affiliation(s)
- Parham Jabbarzadeh Kaboli
- Graduate Institute of Biomedical Sciences, Research Center for Cancer Biology, and Center for Molecular Medicine, China Medical UniversityTaichung 404, Taiwan
- Department of Biomedical Science, Faculty of Medicine and Health Sciences, Universiti Putra MalaysiaSerdang, Selangor 43400, Malaysia
| | - Saber Imani
- Department of Oncology, The Affiliated Hospital of Southwest Medical UniversityLuzhou, Sichuan 646000, P. R. China
| | - Masume Jomhori
- Department of Biotechnology Research, Razi Vaccine and Serum Research InstituteMashhad, Iran
| | - King-Hwa Ling
- Department of Biomedical Science, Faculty of Medicine and Health Sciences, Universiti Putra MalaysiaSerdang, Selangor 43400, Malaysia
- Department of Genetics, Harvard Medical SchoolBoston, MA 02115, USA
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Ganguly S, Arora I, Tollefsbol TO. Impact of Stilbenes as Epigenetic Modulators of Breast Cancer Risk and Associated Biomarkers. Int J Mol Sci 2021; 22:ijms221810033. [PMID: 34576196 PMCID: PMC8472542 DOI: 10.3390/ijms221810033] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2021] [Revised: 09/12/2021] [Accepted: 09/13/2021] [Indexed: 12/12/2022] Open
Abstract
With the recent advancement of genetic screening for testing susceptibility to mammary oncogenesis in women, the relevance of the gene−environment interaction has become progressively apparent in the context of aberrant gene expressions. Fetal exposure to external stressors, hormones, and nutrients, along with the inherited genome, impact its traits, including cancer susceptibility. Currently, there is increasing interest in the role of epigenetic biomarkers such as genomic methylation signatures, plasma microRNAs, and alterations in cell-signaling pathways in the diagnosis and primary prevention of breast cancer, as well as its prognosis. Polyphenols like natural stilbenes have been shown to be effective in chemoprevention by exerting cytotoxic effects that can stall cell proliferation. Besides possessing antioxidant properties against the DNA-damaging effects of reactive oxygen species, stilbenes have also been observed to modulate cell-signaling pathways. With the increasing trend of early-life screening for hereditary breast cancer risks, the potency of different phytochemicals in harnessing the epigenetic biomarkers of breast cancer risk demand more investigation. This review will explore means of exploiting the abilities of stilbenes in altering the underlying factors that influence breast cancer risk, as well as the appearance of associated biomarkers.
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Affiliation(s)
- Sebanti Ganguly
- Department of Biology, University of Alabama at Birmingham, Birmingham, AL 35294, USA; (S.G.); (I.A.)
| | - Itika Arora
- Department of Biology, University of Alabama at Birmingham, Birmingham, AL 35294, USA; (S.G.); (I.A.)
| | - Trygve O. Tollefsbol
- Department of Biology, University of Alabama at Birmingham, Birmingham, AL 35294, USA; (S.G.); (I.A.)
- Integrative Center for Aging Research, University of Alabama at Birmingham, Birmingham, AL 35294, USA
- O’Neal Comprehensive Cancer Center, University of Alabama at Birmingham, Birmingham, AL 35294, USA
- Nutrition Obesity Research Center, University of Alabama at Birmingham, Birmingham, AL 35294, USA
- Comprehensive Diabetes Center, University of Alabama at Birmingham, Birmingham, AL 35294, USA
- Cell Senescence Culture Facility, University of Alabama at Birmingham, Birmingham, AL 35294, USA
- Correspondence: ; Tel.: +1-205-934-4573
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Chien TJ. A review of the endocrine resistance in hormone-positive breast cancer. Am J Cancer Res 2021; 11:3813-3831. [PMID: 34522451 PMCID: PMC8414389] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2021] [Accepted: 06/25/2021] [Indexed: 06/13/2023] Open
Abstract
Hormone-positive breast cancer (BC) is a unique heterogeneous disease with a favorable prognosis compared to other types of breast cancer. As tumor biology influences the prognosis and clinical treatment, a deep understanding of how the molecular mechanisms regulate hormone sensitivity or resistance is critical in improving the efficacy and overcoming the endocrine resistance. This article comprehensively reviews the endocrine resistance in hormone-positive BC from a molecular and genetic perspective, encompassing the updated treatment and developing direction. This review includes the mechanisms of hormone resistance, which vary from epigenetic changes, crosstalk between signaling networks, cell cycle aberrance, and even change in the tumor microenvironment (TME) or stem cell. These mechanisms may contribute to treatment resistance. Current targeted therapy for hormone-resistant tumors includes PI3K/AKT/mTOR and cdk4/6 inhibitors. Several relevant pathways, biomarkers, and predictor genes have also been identified. Immunotherapy so far has a relatively less crucial role in hormone-positive than in triple-negative BC. Furthermore, the methodology to identify the PDL1 is not standardized. In a molecule and gene study, next-generation sequencing with circulating tumor DNA (ctDNA) has recently appeared as a sensitive and minimally invasive tool worth investigating.
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Affiliation(s)
- Tsai-Ju Chien
- Division of Hemato-Oncology, Department of Internal Medicine, Branch of Zhong-Zhou, Taipei City HospitalTaipei, Taiwan
- Division of Hemato-Oncology, Department of Internal Medicine, Branch of Jen-Ai, Taipei City HospitalTaipei, Taiwan
- Institute of Traditional Medicine, National Yang-Ming Chiao Tung UniversityTaipei, Taiwan
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Jia H, Liu M, Wang X, Jiang Q, Wang S, Santhanam RK, Lv C, Zhao Q, Lu J. Cimigenoside functions as a novel γ-secretase inhibitor and inhibits the proliferation or metastasis of human breast cancer cells by γ-secretase/Notch axis. Pharmacol Res 2021; 169:105686. [PMID: 34022397 DOI: 10.1016/j.phrs.2021.105686] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/04/2021] [Revised: 05/11/2021] [Accepted: 05/17/2021] [Indexed: 12/14/2022]
Abstract
Breast cancer (BC) occurrence and development tremendously affect female health. Currently breast cancer targeted drugs are still scarce. Natural products have become the main source of targeted drug for breast cancer due to low toxicity and high efficiency. Cimigenoside, natural compound isolated and purified from Cimicifuga dahurica (Turcz.) Maxim has been suggested to utilize for breast cancer treatment, however the mechanism of action has not been elucidated yet. In this article, the antitumor potential of Cimigenoside against breast cancer in vitro and in vivo study. Moreover, we further predicted the possible binding mode of Cimigenoside with γ-secretase through molecular docking studies. The results show that Cimigenoside has a significant inhibitory effect towards the proliferation or metastasis of breast cancer cells via suppressing the Notch signaling pathway-mediated mitochondrial apoptosis and EMT (epithelial mesenchymal transition). In terms of mechanism, Cimigenoside could inhibit the activation of PSEN-1, the catalytic subunit of γ-secretase, and also by cleaving the Notch protein mediated by PSEN-1. Overall, our findings provide scientific support to utilize Cimigenoside as an effective targeted drug for clinical treatment of BC.
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Affiliation(s)
- Hui Jia
- School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang 110006, PR China.
| | - Mingyue Liu
- Department of Life Science and Biochemistry, Shenyang Pharmaceutical University, Shenyang 110016, PR China.
| | - Xinying Wang
- School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang 110006, PR China.
| | - Qiyu Jiang
- Center for Clinical Laboratory, The Fifth Medical Center, General Hospital of Chinese PLA, Beijing 100039, PR China.
| | - Shu Wang
- Department of Life Science and Biochemistry, Shenyang Pharmaceutical University, Shenyang 110016, PR China.
| | - Ramesh Kumar Santhanam
- Faculty of Science and Marine Environment, Universiti Malaysia Terengganu, Kuala Nerus 21030, Terengganu, Malaysia.
| | - Chongning Lv
- School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang 110006, PR China.
| | - Qingchun Zhao
- Department of Life Science and Biochemistry, Shenyang Pharmaceutical University, Shenyang 110016, PR China; Department of Pharmacy, General Hospital of Northern Theater Command, No. 83 Wenhua Road, Shenhe District, Shenyang 110840, Liaoning, PR China.
| | - Jincai Lu
- School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang 110006, PR China; Liaoning Provincial Key Laboratory of TCM Resources Conservation and Development, Shenyang Pharmaceutical University, Shenyang 110006, PR China.
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33
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Zhou WM, Liu B, Shavandi A, Li L, Song H, Zhang JY. Methylation Landscape: Targeting Writer or Eraser to Discover Anti-Cancer Drug. Front Pharmacol 2021; 12:690057. [PMID: 34149432 PMCID: PMC8209422 DOI: 10.3389/fphar.2021.690057] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2021] [Accepted: 05/18/2021] [Indexed: 12/14/2022] Open
Abstract
Cancer is a major global health challenge for our health system, despite the important pharmacological and therapeutic discoveries we have seen since past 5 decades. The increasing prevalence and mortality of cancer may be closely related to smoking, exposure to environmental pollution, dietary and genetic factors. Despite significant promising discoveries and developments such as cell and biotechnological therapies a new breakthrough in the medical field is needed to develop specific and effective drugs for cancer treatment. On the development of cell therapies, anti-tumor vaccines, and new biotechnological drugs that have already shown promising effects in preclinical studies. With the continuous enrichment and development of chromatin immunoprecipitation sequencing (ChIP-seq) and its derivative technologies, epigenetic modification has gradually become a research hotspot. As key ingredients of epigenetic modification, Writers, Readers, Erasers have been gradually unveiled. Cancer has been associated with epigenetic modification especially methylation and therefore different epigenetic drugs have been developed and some of those are already undergoing clinical phase I or phase II trials, and it is believed that these drugs will certainly assist the treatment in the near future. With respect to this, an overview of anti-tumor drugs targeting modified enzymes and de-modified enzymes will be performed in order to contribute to future research.
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Affiliation(s)
- Wen-Min Zhou
- Key Laboratory of Molecular Target & Clinical Pharmacology and the State Key Laboratory of Respiratory Disease, School of Pharmaceutical Sciences & the Fifth Affiliated Hospital, Guangzhou Medical University, Guangzhou, China
| | - Bin Liu
- Department of Cellular and Molecular Biology, Beijing Chest Hospital, Capital Medical University/Beijing Tuberculosis and Thoracic Tumor Research Institute, Beijing, China
| | - Amin Shavandi
- BioMatter Unit, École Polytechnique de Bruxelles, Université Libre de Bruxelles (ULB), Brussels, Belgium
| | - Lu Li
- Department of Biochemistry and Molecular Biology, School of Integrated Chinese and Western Medicine, Anhui University of Chinese Medicine, Hefei, China
| | - Hang Song
- Department of Biochemistry and Molecular Biology, School of Integrated Chinese and Western Medicine, Anhui University of Chinese Medicine, Hefei, China
| | - Jian-Ye Zhang
- Key Laboratory of Molecular Target & Clinical Pharmacology and the State Key Laboratory of Respiratory Disease, School of Pharmaceutical Sciences & the Fifth Affiliated Hospital, Guangzhou Medical University, Guangzhou, China
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34
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Dimitrakopoulos FI, Kottorou A, Tzezou A. Endocrine resistance and epigenetic reprogramming in estrogen receptor positive breast cancer. Cancer Lett 2021; 517:55-65. [PMID: 34077785 DOI: 10.1016/j.canlet.2021.05.030] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2021] [Revised: 05/08/2021] [Accepted: 05/25/2021] [Indexed: 02/07/2023]
Abstract
Despite the enormous advances during the last three decades, breast cancer continues to be the most frequent type of cancer as well as one of the most frequent cancer-related causes of death in women. Therapeutic management of patients with hormone receptor-positive breast cancer becomes very often a challenge, since de novo or acquired resistance deprives a significant percentage of the patients from the clinical benefit of the well-tolerated hormone therapy. Several molecular mechanisms are implicated in resistance to endocrine therapy, including changes in hormone receptor signaling, activation of parallel signaling pathways, modifications of cell cycle regulators, activation of different transcription factors as well as changes in stem cells activity. In addition, a growing number of studies supports the pivotal role of epigenetic changes not only in the initiation and progression of breast cancer, but also in resistance to endocrine therapy. These changes refer to DNA methylation, histone post-translational modifications as well as to ncRNAs alterations. In this review, we provide an overview of epigenetic mechanisms underlying the endocrine resistance focusing exclusively on breast cancer patients.
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Affiliation(s)
- Foteinos-Ioannis Dimitrakopoulos
- Molecular Oncology Laboratory, Medical School of Patras, University of Patras, 26500, Patras, Greece; Division of Oncology, University Hospital of Patras, 26500, Patras, Greece
| | - Anastasia Kottorou
- Molecular Oncology Laboratory, Medical School of Patras, University of Patras, 26500, Patras, Greece; Division of Oncology, University Hospital of Patras, 26500, Patras, Greece
| | - Aspasia Tzezou
- Laboratory of Biology, Faculty of Medicine, School of Health Sciences, University of Thessaly, Biopolis, 41500, Larissa, Greece; Laboratory of Cytogenetics and Molecular Genetics, Faculty of Medicine, School of Health Sciences, University of Thessaly, Biopolis, 41500, Larissa, Greece.
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35
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Ahmed NS, Samec M, Liskova A, Kubatka P, Saso L. Tamoxifen and oxidative stress: an overlooked connection. Discov Oncol 2021; 12:17. [PMID: 35201439 PMCID: PMC8777555 DOI: 10.1007/s12672-021-00411-y] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/10/2021] [Accepted: 03/31/2021] [Indexed: 02/06/2023] Open
Abstract
Tamoxifen is the gold standard drug for the treatment of breast cancer in pre and post-menopausal women. Its journey from a failing contraceptive to a blockbuster is an example of pharmaceutical innovation challenges. Tamoxifen has a wide range of pharmacological activities; a drug that was initially thought to work via a simple Estrogen receptor (ER) mechanism was proven to mediate its activity through several non-ER mechanisms. Here in we review the previous literature describing ER and non-ER targets of tamoxifen, we highlighted the overlooked connection between tamoxifen, tamoxifen apoptotic effects and oxidative stress.
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Affiliation(s)
- Nermin S Ahmed
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy and Biotechnology, German University in Cairo, Cairo, 11835, Egypt.
| | - Marek Samec
- Department of Obstetrics and Gynecology, Jessenius Faculty of Medicine, Comenius University in Bratislava, 03601, Martin, Slovakia
| | - Alena Liskova
- Department of Obstetrics and Gynecology, Jessenius Faculty of Medicine, Comenius University in Bratislava, 03601, Martin, Slovakia
| | - Peter Kubatka
- Department of Medical Biology, Department of Experimental Carcinogenesis (Biomedical Center Martin, Division of Oncology), Jessenius Faculty of Medicine, Comenius University in Bratislava, Malá Hora 4, 03601, Martin, Slovak Republic
| | - Luciano Saso
- Department of Physiology and Pharmacology "Vittorio Erspamer", Sapienza University, P.le Aldo Moro 5, 00185, Rome, Italy
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Li Q, Wang M, Hu Y, Zhao E, Li J, Ren L, Wang M, Xu Y, Liang Q, Zhang D, Lai Y, Liu S, Peng X, Zhu C, Ye L. MYBL2 disrupts the Hippo-YAP pathway and confers castration resistance and metastatic potential in prostate cancer. Theranostics 2021; 11:5794-5812. [PMID: 33897882 PMCID: PMC8058714 DOI: 10.7150/thno.56604] [Citation(s) in RCA: 46] [Impact Index Per Article: 15.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2020] [Accepted: 03/09/2021] [Indexed: 12/24/2022] Open
Abstract
Rationale: Resistance to androgen-deprivation therapy (ADT) associated with metastatic progression remains a challenging clinical task in prostate cancer (PCa) treatment. Current targeted therapies for castration-resistant prostate cancer (CRPC) are not durable. The exact molecular mechanisms mediating resistance to castration therapy that lead to CRPC progression remain obscure. Methods: The expression of MYB proto-oncogene like 2 (MYBL2) was evaluated in PCa samples. The effect of MYBL2 on the response to ADT was determined by in vitro and in vivo experiments. The survival of patients with PCa was analyzed using clinical specimens (n = 132) and data from The Cancer Genome Atlas (n = 450). The mechanistic model of MYBL2 in regulating gene expression was further detected by subcellular fractionation, western blotting, quantitative real-time PCR, chromatin immunoprecipitation, and luciferase reporter assays. Results: MYBL2 expression was significantly upregulated in CRPC tissues and cell lines. Overexpression of MYBL2 could facilitate castration-resistant growth and metastatic capacity in androgen-dependent PCa cells by promoting YAP1 transcriptional activity via modulating the activity of the Rho GTPases RhoA and LATS1 kinase. Importantly, targeting MYBL2, or treatment with either the YAP/TAZ inhibitor Verteporfin or the RhoA inhibitor Simvastatin, reversed the resistance to ADT and blocked bone metastasis in CRPC cells. Finally, high MYBL2 levels were positively associated with TNM stage, total PSA level, and Gleason score and predicted a higher risk of metastatic relapse and poor prognosis in patients with PCa. Conclusions: Our results reveal a novel molecular mechanism conferring resistance to ADT and provide a strong rationale for potential therapeutic strategies against CRPC.
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Farkas C, Quiroz A, Alvarez C, Hermosilla V, Aylwin CF, Lomniczi A, Castro AF, Hepp MI, Pincheira R. Characterization of SALL2 Gene Isoforms and Targets Across Cell Types Reveals Highly Conserved Networks. Front Genet 2021; 12:613808. [PMID: 33692826 PMCID: PMC7937961 DOI: 10.3389/fgene.2021.613808] [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] [Subscribe] [Scholar Register] [Received: 10/03/2020] [Accepted: 01/28/2021] [Indexed: 12/21/2022] Open
Abstract
The SALL2 transcription factor, an evolutionarily conserved gene through vertebrates, is involved in normal development and neuronal differentiation. In disease, SALL2 is associated with eye, kidney, and brain disorders, but mainly is related to cancer. Some studies support a tumor suppressor role and others an oncogenic role for SALL2, which seems to depend on the cancer type. An additional consideration is tissue-dependent expression of different SALL2 isoforms. Human and mouse SALL2 gene loci contain two promoters, each controlling the expression of a different protein isoform (E1 and E1A). Also, several improvements on the human genome assembly and gene annotation through next-generation sequencing technologies reveal correction and annotation of additional isoforms, obscuring dissection of SALL2 isoform-specific transcriptional targets and functions. We here integrated current data of normal/tumor gene expression databases along with ChIP-seq binding profiles to analyze SALL2 isoforms expression distribution and infer isoform-specific SALL2 targets. We found that the canonical SALL2 E1 isoform is one of the lowest expressed, while the E1A isoform is highly predominant across cell types. To dissect SALL2 isoform-specific targets, we analyzed publicly available ChIP-seq data from Glioblastoma tumor-propagating cells and in-house ChIP-seq datasets performed in SALL2 wild-type and E1A isoform knockout HEK293 cells. Another available ChIP-seq data in HEK293 cells (ENCODE Consortium Phase III) overexpressing a non-canonical SALL2 isoform (short_E1A) was also analyzed. Regardless of cell type, our analysis indicates that the SALL2 long E1 and E1A isoforms, but not short_E1A, are mostly contributing to transcriptional control, and reveals a highly conserved network of brain-specific transcription factors (i.e., SALL3, POU3F2, and NPAS3). Our data integration identified a conserved molecular network in which SALL2 regulates genes associated with neural function, cell differentiation, development, and cell adhesion between others. Also, we identified PODXL as a gene that is likely regulated by SALL2 across tissues. Our study encourages the validation of publicly available ChIP-seq datasets to assess a specific gene/isoform’s transcriptional targets. The knowledge of SALL2 isoforms expression and function in different tissue contexts is relevant to understanding its role in disease.
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Affiliation(s)
- Carlos Farkas
- Laboratorio de Transducción de Señales y Cáncer, Departamento de Bioquímica y Biología Molecular, Facultad de Ciencias Biológicas, Universidad de Concepción, Concepción, Chile
| | - Aracelly Quiroz
- Laboratorio de Transducción de Señales y Cáncer, Departamento de Bioquímica y Biología Molecular, Facultad de Ciencias Biológicas, Universidad de Concepción, Concepción, Chile
| | - Claudia Alvarez
- Laboratorio de Transducción de Señales y Cáncer, Departamento de Bioquímica y Biología Molecular, Facultad de Ciencias Biológicas, Universidad de Concepción, Concepción, Chile
| | - Viviana Hermosilla
- Laboratorio de Transducción de Señales y Cáncer, Departamento de Bioquímica y Biología Molecular, Facultad de Ciencias Biológicas, Universidad de Concepción, Concepción, Chile
| | - Carlos F Aylwin
- Division of Neuroscience, Oregon National Primate Research Center, Oregon Health and Science University, Portland, OR, United States
| | - Alejandro Lomniczi
- Division of Neuroscience, Oregon National Primate Research Center, Oregon Health and Science University, Portland, OR, United States
| | - Ariel F Castro
- Laboratorio de Transducción de Señales y Cáncer, Departamento de Bioquímica y Biología Molecular, Facultad de Ciencias Biológicas, Universidad de Concepción, Concepción, Chile
| | - Matias I Hepp
- Laboratorio de Transducción de Señales y Cáncer, Departamento de Bioquímica y Biología Molecular, Facultad de Ciencias Biológicas, Universidad de Concepción, Concepción, Chile.,Laboratorio de Investigación en Ciencias Biomédicas, Departamento de Ciencias Básicas y Morfología, Facultad de Medicina, Universidad Católica de la Santísima Concepción, Concepción, Chile
| | - Roxana Pincheira
- Laboratorio de Transducción de Señales y Cáncer, Departamento de Bioquímica y Biología Molecular, Facultad de Ciencias Biológicas, Universidad de Concepción, Concepción, Chile
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Guan Q, Song X, Zhang Z, Zhang Y, Chen Y, Li J. Identification of Tamoxifen-Resistant Breast Cancer Cell Lines and Drug Response Signature. Front Mol Biosci 2020; 7:564005. [PMID: 33344500 PMCID: PMC7746845 DOI: 10.3389/fmolb.2020.564005] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2020] [Accepted: 10/15/2020] [Indexed: 11/30/2022] Open
Abstract
Breast cancer cell lines are frequently used to elucidate the molecular mechanisms of the disease. However, a large proportion of cell lines are affected by problems such as mislabeling and cross-contamination. Therefore, it is of great clinical significance to select optimal breast cancer cell lines models. Using tamoxifen survival-related genes from breast cancer tissues as the gold standard, we selected the optimal cell line model to represent the characteristics of clinical tissue samples. Moreover, using relative expression orderings of gene pairs, we developed a gene pair signature that could predict tamoxifen therapy outcomes. Based on 235 consistently identified survival-related genes from datasets GSE17705 and GSE6532, we found that only the differentially expressed genes (DEGs) from the cell line dataset GSE26459 were significantly reproducible in tissue samples (binomial test, p = 2.13E-07). Finally, using the consistent DEGs from cell line dataset GSE26459 and tissue samples, we used the transcriptional qualitative feature to develop a two-gene pair (TOP2A, SLC7A5; NMU, PDSS1) for predicting clinical tamoxifen resistance in the training data (logrank p = 1.98E-07); this signature was verified using an independent dataset (logrank p = 0.009909). Our results indicate that the cell line model from dataset GSE26459 provides a good representation of the characteristics of clinical tissue samples; thus, it will be a good choice for the selection of drug-resistant and drug-sensitive breast cancer cell lines in the future. Moreover, our signature could predict tamoxifen treatment outcomes in breast cancer patients.
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Affiliation(s)
- Qingzhou Guan
- Co-construction Collaborative Innovation Center for Chinese Medicine and Respiratory Diseases by Henan & Education Ministry of P.R. China, Academy of Chinese Medical Sciences, Henan University of Chinese Medicine, Zhengzhou, China
| | - Xuekun Song
- College of Information Technology, Henan University of Chinese Medicine, Zhengzhou, China
| | - Zhenzhen Zhang
- Co-construction Collaborative Innovation Center for Chinese Medicine and Respiratory Diseases by Henan & Education Ministry of P.R. China, Academy of Chinese Medical Sciences, Henan University of Chinese Medicine, Zhengzhou, China
| | - Yizhi Zhang
- Department of Bioinformatics, Key Laboratory of Ministry of Education for Gastrointestinal Cancer, School of Basic Medical Sciences, Fujian Medical University, Fuzhou, China
| | - Yating Chen
- Department of Bioinformatics, Key Laboratory of Ministry of Education for Gastrointestinal Cancer, School of Basic Medical Sciences, Fujian Medical University, Fuzhou, China
| | - Jing Li
- Department of Bioinformatics, Key Laboratory of Ministry of Education for Gastrointestinal Cancer, School of Basic Medical Sciences, Fujian Medical University, Fuzhou, China
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Yao J, Deng K, Huang J, Zeng R, Zuo J. Progress in the Understanding of the Mechanism of Tamoxifen Resistance in Breast Cancer. Front Pharmacol 2020; 11:592912. [PMID: 33362547 PMCID: PMC7758911 DOI: 10.3389/fphar.2020.592912] [Citation(s) in RCA: 66] [Impact Index Per Article: 16.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2020] [Accepted: 10/16/2020] [Indexed: 12/24/2022] Open
Abstract
Tamoxifen is a drug commonly used in the treatment of breast cancer, especially for postmenopausal patients. However, its efficacy is limited by the development of drug resistance. Downregulation of estrogen receptor alpha (ERα) is an important mechanism of tamoxifen resistance. In recent years, with progress in research into the protective autophagy of drug-resistant cells and cell cycle regulators, major breakthroughs have been made in research on tamoxifen resistance. For a better understanding of the mechanism of tamoxifen resistance, protective autophagy, cell cycle regulators, and some transcription factors and enzymes regulating the expression of the estrogen receptor are summarized in this review. In addition, recent progress in reducing resistance to tamoxifen is reviewed. Finally, we discuss the possible research directions into tamoxifen resistance in the future to provide assistance for the clinical treatment of breast cancer.
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Affiliation(s)
- Jingwei Yao
- Nanhua Hospital Affiliated to University of South China, Hengyang, China.,The Third Affiliated Hospital of University of South China, Hengyang, China
| | - Kun Deng
- Transformation Research Lab, Hengyang Medical School, University of South China, Hengyang, China
| | - Jialu Huang
- Transformation Research Lab, Hengyang Medical School, University of South China, Hengyang, China
| | - Ruimin Zeng
- Nanhua Hospital Affiliated to University of South China, Hengyang, China
| | - Jianhong Zuo
- Nanhua Hospital Affiliated to University of South China, Hengyang, China.,Transformation Research Lab, Hengyang Medical School, University of South China, Hengyang, China.,The Third Affiliated Hospital of University of South China, Hengyang, China
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40
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Adehin A, Kennedy MA, Soyinka JO, Alatise OI, Olasehinde O, Bolaji OO. Breast Cancer and Tamoxifen: A Nigerian Perspective to Effective Personalised Therapy. BREAST CANCER-TARGETS AND THERAPY 2020; 12:123-130. [PMID: 33116814 PMCID: PMC7548221 DOI: 10.2147/bctt.s266314] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 06/08/2020] [Accepted: 09/08/2020] [Indexed: 12/24/2022]
Abstract
Estrogen-receptor positivity in tumour, often requiring long-term tamoxifen therapy, is thought to characterise between 43% and 65% of breast cancer cases in Nigeria. The patient population is further marked by late-stage diagnosis which significantly heightens the tendency for tumour relapse in the course of tamoxifen therapy. Despite tamoxifen being considered a reliable chemopreventive in high-risk individuals and an effective adjuvant therapy for hormone-sensitive tumours, mortality has remained high among breast cancer patients in the West African region where Nigeria belongs. The Nigerian breast cancer population, like other similar patient-populations in the West African region, provides a mix of intrinsic genome-diversity and perhaps unique tumour biology and evolution. These peculiarities suggest the need for a rational approach to tumour management and a personalised delivery of therapy in Nigeria's dominant estrogen-receptor-positive patient population. Herein, critical indices of tamoxifen-therapy success are discussed in the context of the Nigerian breast cancer population with emphasis on salient aspects of tamoxifen-biotransformation, host- and tumour-genomics, and epigenetics.
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Affiliation(s)
- Ayorinde Adehin
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Obafemi Awolowo University, Ile-Ife, Nigeria.,Institute of Biomedical and Pharmaceutical Sciences, Guangdong University of Technology, Guangzhou, People's Republic of China
| | - Martin Alexander Kennedy
- Department of Pathology and Biomedical Science; Carney Centre of Pharmacogenomics, University of Otago, Christchurch, New Zealand
| | - Julius Olugbenga Soyinka
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Obafemi Awolowo University, Ile-Ife, Nigeria
| | - Olusegun Isaac Alatise
- Department of Surgery, Faculty of Clinical Sciences, College of Health Sciences, Obafemi Awolowo University, Ile-Ife, Nigeria
| | - Olalekan Olasehinde
- Department of Surgery, Faculty of Clinical Sciences, College of Health Sciences, Obafemi Awolowo University, Ile-Ife, Nigeria
| | - Oluseye Oladotun Bolaji
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Obafemi Awolowo University, Ile-Ife, Nigeria
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41
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Sher G, Salman NA, Khan AQ, Prabhu KS, Raza A, Kulinski M, Dermime S, Haris M, Junejo K, Uddin S. Epigenetic and breast cancer therapy: Promising diagnostic and therapeutic applications. Semin Cancer Biol 2020; 83:152-165. [PMID: 32858230 DOI: 10.1016/j.semcancer.2020.08.009] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2020] [Revised: 08/17/2020] [Accepted: 08/17/2020] [Indexed: 12/24/2022]
Abstract
The global burden of breast cancer (BC) is increasing significantly. This trend is caused by several factors such as late diagnosis, limited treatment options for certain BC subtypes, drug resistance which all lead to poor clinical outcomes. Recent research has reported the role of epigenetic alterations in the mechanism of BC pathogenesis and its hallmarks include drug resistance and stemness features. The understanding of these modifications and their significance in the management of BC carcinogenesis is challenging and requires further attention. Nevertheless, it promises to provide novel insight needed for utilizing these alterations as potential diagnostic, prognostic markers, predict treatment efficacy, as well as therapeutic agents. This highlights the importance of continuing research development to further advance the existing knowledge on epigenetics and BC carcinogenesis to overcome the current challenges. Hence, this review aims to shed light and discuss the current state of epigenetics research in the diagnosis and management of BC.
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Affiliation(s)
- Gulab Sher
- Translational Research Institute, Academic Health System, Hamad Medical Corporation, Doha, P.O. Box 3050, Qatar
| | - Nadia Aziz Salman
- Kingston University London, School of Life Science, Pharmacy and Chemistry, SEC Faculty, Kingston, upon Thames, London, KT1 2EE, UK
| | - Abdul Q Khan
- Translational Research Institute, Academic Health System, Hamad Medical Corporation, Doha, P.O. Box 3050, Qatar
| | - Kirti S Prabhu
- Translational Research Institute, Academic Health System, Hamad Medical Corporation, Doha, P.O. Box 3050, Qatar
| | - Afsheen Raza
- National Center for Cancer Care and Research, Hamad Medical Corporation, Doha, P.O. Box 3050, Qatar
| | - Michal Kulinski
- Translational Research Institute, Academic Health System, Hamad Medical Corporation, Doha, P.O. Box 3050, Qatar
| | - Said Dermime
- National Center for Cancer Care and Research, Hamad Medical Corporation, Doha, P.O. Box 3050, Qatar
| | - Mohammad Haris
- Functional and Molecular Imaging Laboratory, Sidra Medicine, P.O. Box 26999, Qatar; Laboratory Animal Research Center, Qatar University, Doha, P.O. Box 2713, Qatar
| | - Kulsoom Junejo
- General Surgery Department, Hamad General Hospital, Hamad Medical Corporation, Doha, P.O. Box 3050, Qatar
| | - Shahab Uddin
- Translational Research Institute, Academic Health System, Hamad Medical Corporation, Doha, P.O. Box 3050, Qatar; Dermatology Institute, Academic Health System, Hamad Medical Corporation, Doha, P.O. Box 3050, Qatar.
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42
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Romero-Garcia S, Prado-Garcia H, Carlos-Reyes A. Role of DNA Methylation in the Resistance to Therapy in Solid Tumors. Front Oncol 2020; 10:1152. [PMID: 32850327 PMCID: PMC7426728 DOI: 10.3389/fonc.2020.01152] [Citation(s) in RCA: 70] [Impact Index Per Article: 17.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2020] [Accepted: 06/08/2020] [Indexed: 12/12/2022] Open
Abstract
Despite the recent advances in chemotherapeutic treatments against cancer, some types of highly aggressive and invasive cancer develop drug resistance against conventional therapies, which continues to be a major problem in the fight against cancer. In recent years, studies of alterations of DNA methylome have given us a better understanding of the role of DNA methylation in the development of tumors. DNA methylation (DNAm) is an epigenetic change that promotes the covalent transfer of methyl groups to DNA. This process suppresses gene expression through the modulation of the transcription machinery access to the chromatin or through the recruitment of methyl binding proteins. DNAm is regulated mainly by DNA methyltransferases. Aberrant DNAm contributes to tumor progression, metastasis, and resistance to current anti-tumoral therapies. Aberrant DNAm may occur through hypermethylation in the promoter regions of tumor suppressor genes, which leads to their silencing, while hypomethylation in the promoter regions of oncogenes can activate them. In this review, we discuss the impact of dysregulated methylation in certain genes, which impact signaling pathways associated with apoptosis avoidance, metastasis, and resistance to therapy. The analysis of methylome has revealed patterns of global methylation, which regulate important signaling pathways involved in therapy resistance in different cancer types, such as breast, colon, and lung cancer, among other solid tumors. This analysis has provided gene-expression signatures of methylated region-specific DNA that can be used to predict the treatment outcome in response to anti-cancer therapy. Additionally, changes in cancer methylome have been associated with the acquisition of drug resistance. We also review treatments with demethylating agents that, in combination with standard therapies, seem to be encouraging, as tumors that are in early stages can be successfully treated. On the other hand, tumors that are in advanced stages can be treated with these combination schemes, which could sensitize tumor cells that are resistant to the therapy. We propose that rational strategies, which combine specific demethylating agents with conventional treatment, may improve overall survival in cancer patients.
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Affiliation(s)
- Susana Romero-Garcia
- Department of Chronic-Degenerative Diseases, National Institute of Respiratory Diseases "Ismael Cosío Villegas", Mexico City, Mexico
| | - Heriberto Prado-Garcia
- Department of Chronic-Degenerative Diseases, National Institute of Respiratory Diseases "Ismael Cosío Villegas", Mexico City, Mexico
| | - Angeles Carlos-Reyes
- Department of Chronic-Degenerative Diseases, National Institute of Respiratory Diseases "Ismael Cosío Villegas", Mexico City, Mexico
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Chemically Induced Hypoxia Enhances miRNA Functions in Breast Cancer. Cancers (Basel) 2020; 12:cancers12082008. [PMID: 32707933 PMCID: PMC7465874 DOI: 10.3390/cancers12082008] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2020] [Revised: 07/19/2020] [Accepted: 07/19/2020] [Indexed: 12/11/2022] Open
Abstract
In aggressively growing tumors, hypoxia induces HIF-1α expression promoting angiogenesis. Previously, we have shown that overexpression of oncogenic microRNAs (miRNAs, miRs) miR526b/miR655 in poorly metastatic breast cancer cell lines promotes aggressive cancer phenotypes in vitro and in vivo. Additionally, miR526b/miR655 expression is significantly higher in human breast tumors, and high miR526b/miR655 expression is associated with poor prognosis. However, the roles of miR526b/miR655 in hypoxia are unknown. To test the relationship between miR526b/miR655 and hypoxia, we used various in vitro, in silico, and in situ assays. In normoxia, miRNA-high aggressive breast cancer cell lines show higher HIF-1α expression than miRNA-low poorly metastatic breast cancer cell lines. To test direct involvement of miR526b/miR655 in hypoxia, we analyzed miRNA-high cell lines (MCF7-miR526b, MCF7-miR655, MCF7-COX2, and SKBR3-miR526b) compared to controls (MCF7 and SKBR3). CoCl2-induced hypoxia in breast cancer further promotes HIF-1α mRNA and protein expression while reducing VHL expression (a negative HIF-1α regulator), especially in miRNA-high cell lines. Hypoxia enhances oxidative stress, epithelial to mesenchymal transition, cell migration, and vascular mimicry more prominently in MCF7-miR526b/MCF7-miR655 cell lines compared to MCF7 cells. Hypoxia promotes inflammatory and angiogenesis marker (COX-2, EP4, NFκB1, VEGFA) expression in all miRNA-high cells. Hypoxia upregulates miR526b/miR655 expression in MCF7 cells, thus observed enhancement of hypoxia-induced functions in MCF7 could be attributed to miR526b/miR655 upregulation. In silico bioinformatics analysis shows miR526b/miR655 regulate PTEN (a negative regulator of HIF-1α) and NFκB1 (positive regulator of COX-2 and EP4) expression by downregulation of transcription factors NR2C2, SALL4, and ZNF207. Hypoxia-enhanced functions in miRNA-high cells are inhibited by COX-2 inhibitor (Celecoxib), EP4 antagonist (ONO-AE3-208), and irreversible PI3K/Akt inhibitor (Wortmannin). This establishes that hypoxia enhances miRNA functions following the COX-2/EP4/PI3K/Akt pathways and this pathway can serve as a therapeutic target to abrogate hypoxia and miRNA induced functions in breast cancer. In situ, HIF-1α expression is significantly higher in human breast tumors (n = 96) compared to non-cancerous control tissues (n = 20) and is positively correlated with miR526b/miR655 expression. In stratified tumor samples, HIF-1α expression was significantly higher in ER-positive, PR-positive, and HER2-negative breast tumors. Data extracted from the TCGA database also show a strong correlation between HIF-1α and miRNA-cluster expression in breast tumors. This study, for the first time, establishes the dynamic roles of miR526b/miR655 in hypoxia.
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Holloran SM, Nosirov B, Walter KR, Trinca GM, Lai Z, Jin VX, Hagan CR. Reciprocal fine-tuning of progesterone and prolactin-regulated gene expression in breast cancer cells. Mol Cell Endocrinol 2020; 511:110859. [PMID: 32407979 PMCID: PMC8941988 DOI: 10.1016/j.mce.2020.110859] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/25/2020] [Revised: 04/22/2020] [Accepted: 05/01/2020] [Indexed: 12/13/2022]
Abstract
Progesterone and prolactin are two key hormones involved in development and remodeling of the mammary gland. As such, both hormones have been linked to breast cancer. Despite the overlap between biological processes ascribed to these two hormones, little is known about how co-expression of both hormones affects their individual actions. Progesterone and prolactin exert many of their effects on the mammary gland through activation of gene expression, either directly (progesterone, binding to the progesterone receptor [PR]) or indirectly (multiple transcription factors being activated downstream of prolactin, most notably STAT5). Using RNA-seq in T47D breast cancer cells, we characterized the gene expression programs regulated by progestin and prolactin, either alone or in combination. We found significant crosstalk and fine-tuning between the transcriptional programs executed by each hormone independently and in combination. We divided and characterized the transcriptional programs into four broad categories. All crosstalk/fine-tuning shown to be modulated by progesterone was dependent upon the expression of PR. Moreover, PR was recruited to enhancer regions of all regulated genes. Interestingly, despite the canonical role for STAT5 in transducing prolactin-signaling in the normal and lactating mammary gland, very few of the prolactin-regulated transcriptional programs fine-tuned by progesterone in this breast cancer cell line model system were in fact dependent upon STAT5. Cumulatively, these data suggest that the interplay of progesterone and prolactin in breast cancer impacts gene expression in a more complex and nuanced manner than previously thought, and likely through different transcriptional regulators than those observed in the normal mammary gland. Studying gene regulation when both hormones are present is most clinically relevant, particularly in the context of breast cancer.
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Affiliation(s)
- Sean M Holloran
- Department of Biochemistry and Molecular Biology, University of Kansas Cancer Center, University of Kansas Medical Center, Kansas City, KS, 66160, USA; Department of Cancer Biology, University of Kansas Cancer Center, University of Kansas Medical Center, Kansas City, KS, 66160, USA
| | - Bakhtiyor Nosirov
- Department of Molecular Medicine, University of Texas Health San Antonio (UTHSA), San Antonio, TX, 78229, USA
| | - Katherine R Walter
- Department of Biochemistry and Molecular Biology, University of Kansas Cancer Center, University of Kansas Medical Center, Kansas City, KS, 66160, USA; Department of Cancer Biology, University of Kansas Cancer Center, University of Kansas Medical Center, Kansas City, KS, 66160, USA
| | - Gloria M Trinca
- Department of Biochemistry and Molecular Biology, University of Kansas Cancer Center, University of Kansas Medical Center, Kansas City, KS, 66160, USA; Department of Cancer Biology, University of Kansas Cancer Center, University of Kansas Medical Center, Kansas City, KS, 66160, USA
| | - Zhao Lai
- Department of Molecular Medicine, University of Texas Health San Antonio (UTHSA), San Antonio, TX, 78229, USA; Greehey Children's Cancer Research Institute, University of Texas Health San Antonio (UTHSA), San Antonio, TX, 78229, USA
| | - Victor X Jin
- Department of Molecular Medicine, University of Texas Health San Antonio (UTHSA), San Antonio, TX, 78229, USA
| | - Christy R Hagan
- Department of Biochemistry and Molecular Biology, University of Kansas Cancer Center, University of Kansas Medical Center, Kansas City, KS, 66160, USA; Department of Cancer Biology, University of Kansas Cancer Center, University of Kansas Medical Center, Kansas City, KS, 66160, USA.
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Intrinsic and Extrinsic Factors Governing the Transcriptional Regulation of ESR1. Discov Oncol 2020; 11:129-147. [PMID: 32592004 DOI: 10.1007/s12672-020-00388-0] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/18/2020] [Accepted: 06/02/2020] [Indexed: 02/06/2023] Open
Abstract
Transcriptional regulation of ESR1, the gene that encodes for estrogen receptor α (ER), is critical for regulating the downstream effects of the estrogen signaling pathway in breast cancer such as cell growth. ESR1 is a large and complex gene that is regulated by multiple regulatory elements, which has complicated our understanding of how ESR1 expression is controlled in the context of breast cancer. Early studies characterized the genomic structure of ESR1 with subsequent studies focused on identifying intrinsic (chromatin environment, transcription factors, signaling pathways) and extrinsic (tumor microenvironment, secreted factors) mechanisms that impact ESR1 gene expression. Currently, the introduction of genomic sequencing platforms and additional genome-wide technologies has provided additional insight on how chromatin structures may coordinate with these intrinsic and extrinsic mechanisms to regulate ESR1 expression. Understanding these interactions will allow us to have a clearer understanding of how ESR1 expression is regulated and eventually provide clues on how to influence its regulation with potential treatments. In this review, we highlight key studies concerning the genomic structure of ESR1, mechanisms that affect the dynamics of ESR1 expression, and considerations towards affecting ESR1 expression and hormone responsiveness in breast cancer.
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Akt-targeted therapy as a promising strategy to overcome drug resistance in breast cancer - A comprehensive review from chemotherapy to immunotherapy. Pharmacol Res 2020; 156:104806. [PMID: 32294525 DOI: 10.1016/j.phrs.2020.104806] [Citation(s) in RCA: 81] [Impact Index Per Article: 20.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/27/2020] [Revised: 04/04/2020] [Accepted: 04/05/2020] [Indexed: 12/12/2022]
Abstract
Breast cancer is the most frequently occurring cancer in women. Chemotherapy in combination with immunotherapy has been used to treat breast cancer. Atezolizumab targeting the protein programmed cell death-ligand (PD-L1) in combination with paclitaxel was recently approved by the Food and Drug Administration (FDA) for Triple-Negative Breast Cancer (TNBC), the most incurable type of breast cancer. However, the use of such drugs is restricted by genotype and is effective only for those TNBC patients expressing PD-L1. In addition, resistance to chemotherapy with drugs such as lapatinib, geftinib, and tamoxifen can develop. In this review, we address chemoresistance in breast cancer and discuss Akt as the master regulator of drug resistance and several oncogenic mechanisms in breast cancer. Akt not only directly interacts with the mitogen-activated protein (MAP) kinase signaling pathway to affect PD-L1 expression, but also has crosstalk with Notch and Wnt/β-catenin signaling pathways involved in cell migration and breast cancer stem cell integrity. In this review, we discuss the effects of tyrosine kinase inhibitors on Akt activation as well as the mechanism of Akt signaling in drug resistance. Akt also has a crucial role in mitochondrial metabolism and migrates into mitochondria to remodel breast cancer cell metabolism while also functioning in responses to hypoxic conditions. The Akt inhibitors ipatasertib, capivasertib, uprosertib, and MK-2206 not only suppress cancer cell proliferation and metastasis, but may also inhibit cytokine regulation and PD-L1 expression. Ipatasertib and uprosertib are undergoing clinical investigation to treat TNBC. Inhibition of Akt and its regulators can be used to control breast cancer progression and also immunosuppression, while discovery of additional compounds that target Akt and its modulators could provide solutions to resistance to chemotherapy and immunotherapy.
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47
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Testa U, Castelli G, Pelosi E. Breast Cancer: A Molecularly Heterogenous Disease Needing Subtype-Specific Treatments. Med Sci (Basel) 2020; 8:E18. [PMID: 32210163 PMCID: PMC7151639 DOI: 10.3390/medsci8010018] [Citation(s) in RCA: 56] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2019] [Revised: 02/23/2020] [Accepted: 03/11/2020] [Indexed: 12/12/2022] Open
Abstract
Breast cancer is the most commonly occurring cancer in women. There were over two-million new cases in world in 2018. It is the second leading cause of death from cancer in western countries. At the molecular level, breast cancer is a heterogeneous disease, which is characterized by high genomic instability evidenced by somatic gene mutations, copy number alterations, and chromosome structural rearrangements. The genomic instability is caused by defects in DNA damage repair, transcription, DNA replication, telomere maintenance and mitotic chromosome segregation. According to molecular features, breast cancers are subdivided in subtypes, according to activation of hormone receptors (estrogen receptor and progesterone receptor), of human epidermal growth factors receptor 2 (HER2), and or BRCA mutations. In-depth analyses of the molecular features of primary and metastatic breast cancer have shown the great heterogeneity of genetic alterations and their clonal evolution during disease development. These studies have contributed to identify a repertoire of numerous disease-causing genes that are altered through different mutational processes. While early-stage breast cancer is a curable disease in about 70% of patients, advanced breast cancer is largely incurable. However, molecular studies have contributed to develop new therapeutic approaches targeting HER2, CDK4/6, PI3K, or involving poly(ADP-ribose) polymerase inhibitors for BRCA mutation carriers and immunotherapy.
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Affiliation(s)
- Ugo Testa
- Department of Oncology, Istituto Superiore di Sanità, Regina Elena 299, 00161 Rome, Italy; (G.C.); (E.P.)
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48
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Ye L, Lin C, Wang X, Li Q, Li Y, Wang M, Zhao Z, Wu X, Shi D, Xiao Y, Ren L, Jian Y, Yang M, Ou R, Deng G, Ouyang Y, Chen X, Li J, Song L. Epigenetic silencing of SALL2 confers tamoxifen resistance in breast cancer. EMBO Mol Med 2019; 11:e10638. [PMID: 31657150 PMCID: PMC6895605 DOI: 10.15252/emmm.201910638] [Citation(s) in RCA: 44] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2019] [Revised: 09/19/2019] [Accepted: 09/24/2019] [Indexed: 12/21/2022] Open
Abstract
Resistance to tamoxifen is a clinically major challenge in breast cancer treatment. Although downregulation of estrogen receptor-alpha (ERα) is the dominant mechanism of tamoxifen resistance, the reason for ERα decrease during tamoxifen therapy remains elusive. Herein, we reported that Spalt-like transcription factor 2 (SALL2) expression was significantly reduced during tamoxifen therapy through transcription profiling analysis of 9 paired primary pre-tamoxifen-treated and relapsed tamoxifen-resistant breast cancer tissues. SALL2 transcriptionally upregulated ESR1 and PTEN through directly binding to the DNA promoters. By contrast, silencing SALL2 induced downregulation of ERα and PTEN and activated the Akt/mTOR signaling, resulting in estrogen-independent growth and tamoxifen resistance in ERα-positive breast cancer. Furthermore, hypermethylation of SALL2 promoter was found in tamoxifen-resistant breast cancer. Importantly, in vivo experiments showed that DNA methyltransferase inhibitor-mediated SALL2 restoration resensitized tamoxifen-resistant breast cancer to tamoxifen therapy. These findings shed light on the mechanism of SALL2 in regulation of ER and represent a potential clinical signature that can be used to categorize breast cancer patients who may benefit from co-therapy with tamoxifen and DNMT inhibitor.
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Affiliation(s)
- Liping Ye
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, Guangzhou, China
| | - Chuyong Lin
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, Guangzhou, China
| | - Xi Wang
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, Guangzhou, China
| | - Qiji Li
- Department of Orthopaedic Surgery, The Seventh Affiliated Hospital, Sun Yat-sen University, Shenzhen, China
| | - Yue Li
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, Guangzhou, China
| | - Meng Wang
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, Guangzhou, China
| | - Zekun Zhao
- Division of Biosciences, University College London, London, UK
| | - Xianqiu Wu
- Clinical Experimental Center, Department of Pathology (Clinical Biobanks), Jiangmen Central Hospital, Affiliated Jiangmen Hospital of Sun Yat-sen University, Jiangmen, Guangdong, China
| | - Dongni Shi
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, Guangzhou, China
| | - Yunyun Xiao
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, Guangzhou, China
| | - Liangliang Ren
- Department of Biochemistry, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, China
| | - Yunting Jian
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, Guangzhou, China
| | - Meisongzhu Yang
- Department of Biochemistry, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, China.,Key Laboratory of Protein Modification and Degradation, School of Basic Medical Sciences, Affiliated Cancer Hospital & Institute of Guangzhou Medical University, Guangzhou, China
| | - Ruizhang Ou
- Department of Pathology, School of Basic Medical Science, Southern Medical University, Guangzhou, China
| | - Guangzheng Deng
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, Guangzhou, China
| | - Ying Ouyang
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, Guangzhou, China
| | - Xiangfu Chen
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, Guangzhou, China
| | - Jun Li
- Department of Biochemistry, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, China
| | - Libing Song
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, Guangzhou, China
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