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Nuckhir M, Withey D, Cabral S, Harrison H, Clarke RB. State of the Art Modelling of the Breast Cancer Metastatic Microenvironment: Where Are We? J Mammary Gland Biol Neoplasia 2024; 29:14. [PMID: 39012440 PMCID: PMC11252219 DOI: 10.1007/s10911-024-09567-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/20/2023] [Accepted: 05/09/2024] [Indexed: 07/17/2024] Open
Abstract
Metastatic spread of tumour cells to tissues and organs around the body is the most frequent cause of death from breast cancer. This has been modelled mainly using mouse models such as syngeneic mammary cancer or human in mouse xenograft models. These have limitations for modelling human disease progression and cannot easily be used for investigation of drug resistance and novel therapy screening. To complement these approaches, advances are being made in ex vivo and 3D in vitro models, which are becoming progressively better at reliably replicating the tumour microenvironment and will in the future facilitate drug development and screening. These approaches include microfluidics, organ-on-a-chip and use of advanced biomaterials. The relevant tissues to be modelled include those that are frequent and clinically important sites of metastasis such as bone, lung, brain, liver for invasive ductal carcinomas and a distinct set of common metastatic sites for lobular breast cancer. These sites all have challenges to model due to their unique cellular compositions, structure and complexity. The models, particularly in vivo, provide key information on the intricate interactions between cancer cells and the native tissue, and will guide us in producing specific therapies that are helpful in different context of metastasis.
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Affiliation(s)
- Mia Nuckhir
- Breast Biology Group, Manchester Breast Centre, Division of Cancer Sciences, Oglesby Cancer Research Building, Faculty of Biology, Medicine and Health, University of Manchester, Manchester, M20 4GJ, UK
| | - David Withey
- Breast Biology Group, Manchester Breast Centre, Division of Cancer Sciences, Oglesby Cancer Research Building, Faculty of Biology, Medicine and Health, University of Manchester, Manchester, M20 4GJ, UK
| | - Sara Cabral
- Breast Biology Group, Manchester Breast Centre, Division of Cancer Sciences, Oglesby Cancer Research Building, Faculty of Biology, Medicine and Health, University of Manchester, Manchester, M20 4GJ, UK
| | - Hannah Harrison
- Breast Biology Group, Manchester Breast Centre, Division of Cancer Sciences, Oglesby Cancer Research Building, Faculty of Biology, Medicine and Health, University of Manchester, Manchester, M20 4GJ, UK.
| | - Robert B Clarke
- Breast Biology Group, Manchester Breast Centre, Division of Cancer Sciences, Oglesby Cancer Research Building, Faculty of Biology, Medicine and Health, University of Manchester, Manchester, M20 4GJ, UK.
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2
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Zingoni A, Antonangeli F, Sozzani S, Santoni A, Cippitelli M, Soriani A. The senescence journey in cancer immunoediting. Mol Cancer 2024; 23:68. [PMID: 38561826 PMCID: PMC10983694 DOI: 10.1186/s12943-024-01973-5] [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: 12/22/2023] [Accepted: 02/28/2024] [Indexed: 04/04/2024] Open
Abstract
Cancer progression is continuously controlled by the immune system which can identify and destroy nascent tumor cells or inhibit metastatic spreading. However, the immune system and its deregulated activity in the tumor microenvironment can also promote tumor progression favoring the outgrowth of cancers capable of escaping immune control, in a process termed cancer immunoediting. This process, which has been classified into three phases, i.e. "elimination", "equilibrium" and "escape", is influenced by several cancer- and microenvironment-dependent factors. Senescence is a cellular program primed by cells in response to different pathophysiological stimuli, which is based on long-lasting cell cycle arrest and the secretion of numerous bioactive and inflammatory molecules. Because of this, cellular senescence is a potent immunomodulatory factor promptly recruiting immune cells and actively promoting tissue remodeling. In the context of cancer, these functions can lead to both cancer immunosurveillance and immunosuppression. In this review, the authors will discuss the role of senescence in cancer immunoediting, highlighting its context- and timing-dependent effects on the different three phases, describing how senescent cells promote immune cell recruitment for cancer cell elimination or sustain tumor microenvironment inflammation for immune escape. A potential contribution of senescent cells in cancer dormancy, as a mechanism of therapy resistance and cancer relapse, will be discussed with the final objective to unravel the immunotherapeutic implications of senescence modulation in cancer.
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Affiliation(s)
- Alessandra Zingoni
- Department of Molecular Medicine, Laboratory Affiliated to Istituto Pasteur Italia-Fondazione Cenci Bolognetti, Sapienza University of Rome, Rome, 00161, Italy
| | - Fabrizio Antonangeli
- Institute of Molecular Biology and Pathology, National Research Council (CNR), Rome, 00185, Italy
| | - Silvano Sozzani
- Department of Molecular Medicine, Laboratory Affiliated to Istituto Pasteur Italia-Fondazione Cenci Bolognetti, Sapienza University of Rome, Rome, 00161, Italy
| | - Angela Santoni
- Department of Molecular Medicine, Laboratory Affiliated to Istituto Pasteur Italia-Fondazione Cenci Bolognetti, Sapienza University of Rome, Rome, 00161, Italy
- IRCCS Neuromed, Pozzilli, 86077, Italy
| | - Marco Cippitelli
- Department of Molecular Medicine, Laboratory Affiliated to Istituto Pasteur Italia-Fondazione Cenci Bolognetti, Sapienza University of Rome, Rome, 00161, Italy.
| | - Alessandra Soriani
- Department of Molecular Medicine, Laboratory Affiliated to Istituto Pasteur Italia-Fondazione Cenci Bolognetti, Sapienza University of Rome, Rome, 00161, Italy.
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3
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Ghiringhelli F, Rébé C. Using immunogenic cell death to improve anticancer efficacy of immune checkpoint inhibitors: From basic science to clinical application. Immunol Rev 2024; 321:335-349. [PMID: 37593811 DOI: 10.1111/imr.13263] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2023] [Revised: 07/10/2023] [Accepted: 07/19/2023] [Indexed: 08/19/2023]
Abstract
Even though the discovery of immune checkpoint inhibitors (ICIs) has revolutionized cancer treatment, a high proportion of patients do not respond. Moreover, some types of cancers are refractory to these treatments. Thus, the need to find predictive biomarkers of efficacy and to evaluate the association with other treatments, such as chemotherapy or radiotherapy, appears to be essential. Because ICIs reactivate or maintain an active status of T cells, one possibility is to combine these treatments with therapies that engage an immune response against tumor cells. Thus, by inducing immunogenic cell death (ICD) of cancer cells, some conventional anticancer treatments induce such immune response and may have an interest to be combined with ICIs. In this review, we explore preclinical studies and clinical trials that evaluate the combination of ICIs with ICD inducers. More than inducing ICD, some of these treatments appear to modulate the tumor microenvironment and more particularly to inhibit immunosuppression, thus improving treatment efficacy.
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Affiliation(s)
- François Ghiringhelli
- Cancer Biology Transfer Platform, Centre Georges-François Leclerc, Dijon, France
- Equipe TIRECs, Labellisée Ligue Contre le Cancer, Centre de Recherche INSERM LNC-UMR1231, Dijon, France
- University of Bourgogne Franche-Comté, Dijon, France
- Department of Medical Oncology, Centre Georges-François Leclerc, Dijon, France
- Genetic and Immunology Medical Institute, Dijon, France
| | - Cédric Rébé
- Cancer Biology Transfer Platform, Centre Georges-François Leclerc, Dijon, France
- Equipe TIRECs, Labellisée Ligue Contre le Cancer, Centre de Recherche INSERM LNC-UMR1231, Dijon, France
- University of Bourgogne Franche-Comté, Dijon, France
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4
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Liu Z, Dong S, Liu M, Liu Y, Ye Z, Zeng J, Yao M. Experimental models for cancer brain metastasis. CANCER PATHOGENESIS AND THERAPY 2024; 2:15-23. [PMID: 38328712 PMCID: PMC10846332 DOI: 10.1016/j.cpt.2023.10.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/19/2023] [Revised: 10/17/2023] [Accepted: 10/25/2023] [Indexed: 02/09/2024]
Abstract
Brain metastases are a leading cause of cancer-related mortality. However, progress in their treatment has been limited over the past decade, due to an incomplete understanding of the underlying biological mechanisms. Employing accurate in vitro and in vivo models to recapitulate the complexities of brain metastasis offers the most promising approach to unravel the intricate cellular and physiological processes involved. Here, we present a comprehensive review of the currently accessible models for studying brain metastasis. We introduce a diverse array of in vitro and in vivo models, including cultured cells using the Transwell system, organoids, microfluidic models, syngeneic models, xenograft models, and genetically engineered models. We have also provided a concise summary of the merits and limitations inherent to each model while identifying the optimal contexts for their effective utilization. This review serves as a comprehensive resource, aiding researchers in making well-informed decisions regarding model selection that align with specific research questions.
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Affiliation(s)
- Zihao Liu
- Guangzhou Institute of Respiratory Disease, The First Affiliated Hospital of Guangzhou Medical University, China State Key Laboratory of Respiratory Disease, Guangzhou, Guangdong 510182, China
| | - Shanshan Dong
- Department of Medical Genetics and Cell Biology, GMU-GIBH Joint School of Life Sciences, Guangzhou Medical University, Guangzhou, Guangdong 511436, China
| | - Mengjie Liu
- Guangzhou Institute of Respiratory Disease, The First Affiliated Hospital of Guangzhou Medical University, China State Key Laboratory of Respiratory Disease, Guangzhou, Guangdong 510182, China
| | - Yuqiang Liu
- Guangzhou Institute of Respiratory Disease, The First Affiliated Hospital of Guangzhou Medical University, China State Key Laboratory of Respiratory Disease, Guangzhou, Guangdong 510182, China
| | - Zhiming Ye
- Guangzhou Institute of Respiratory Disease, The First Affiliated Hospital of Guangzhou Medical University, China State Key Laboratory of Respiratory Disease, Guangzhou, Guangdong 510182, China
| | - Jianhao Zeng
- Department of Microbiology, Immunology, and Cancer Biology, University of Virginia Health System, Charlottesville, VA 22908, USA
| | - Maojin Yao
- Guangzhou Institute of Respiratory Disease, The First Affiliated Hospital of Guangzhou Medical University, China State Key Laboratory of Respiratory Disease, Guangzhou, Guangdong 510182, China
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Uceda-Castro R, Margarido AS, Song JY, de Gooijer MC, Messal HA, Chambers CR, Nobis M, Çitirikkaya CH, Hahn K, Seinstra D, Herrmann D, Timpson P, Wesseling P, van Tellingen O, Vennin C, van Rheenen J. BCRP drives intrinsic chemoresistance in chemotherapy-naïve breast cancer brain metastasis. SCIENCE ADVANCES 2023; 9:eabp9530. [PMID: 37851804 PMCID: PMC10584345 DOI: 10.1126/sciadv.abp9530] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/09/2022] [Accepted: 09/14/2023] [Indexed: 10/20/2023]
Abstract
Although initially successful, treatments with chemotherapy often fail because of the recurrence of chemoresistant metastases. Since these tumors develop after treatment, resistance is generally thought to occur in response to chemotherapy. However, alternative mechanisms of intrinsic chemoresistance in the chemotherapy-naïve setting may exist but remain poorly understood. Here, we study drug-naïve murine breast cancer brain metastases (BCBMs) to identify how cancer cells growing in a secondary site can acquire intrinsic chemoresistance without cytotoxic agent exposure. We demonstrate that drug-naïve murine breast cancer cells that form cancer lesions in the brain undergo vascular mimicry and concomitantly express the adenosine 5'-triphosphate-binding cassette transporter breast cancer resistance protein (BCRP), a common marker of brain endothelial cells. We reveal that expression of BCRP by the BCBM tumor cells protects them against doxorubicin and topotecan. We conclude that BCRP overexpression can cause intrinsic chemoresistance in cancer cells growing in metastatic sites without prior chemotherapy exposure.
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Affiliation(s)
- Rebeca Uceda-Castro
- Division of Molecular Pathology, Oncode Institute, The Netherlands Cancer Institute, Amsterdam, Netherlands
| | - Andreia S. Margarido
- Division of Molecular Pathology, Oncode Institute, The Netherlands Cancer Institute, Amsterdam, Netherlands
| | - Ji-Ying Song
- Division of Experimental Animal Pathology, The Netherlands Cancer Institute, Amsterdam, Netherlands
| | - Mark C. de Gooijer
- Division of Pharmacology, The Netherlands Cancer Institute, Amsterdam, Netherlands
- Faculty of Biology, Medicine and Health, University of Manchester, Manchester, UK
- The Christie NHS Foundation Trust, Manchester, UK
| | - Hendrik A. Messal
- Division of Molecular Pathology, Oncode Institute, The Netherlands Cancer Institute, Amsterdam, Netherlands
| | - Cecilia R. Chambers
- Cancer Ecosystems Program, Garvan Institute of Medical Research, Sydney, NSW, Australia
- School of Clinical Medicine, Faculty of Medicine and Health, UNSW Sydney, Sydney, NSW, Australia
| | - Max Nobis
- Cancer Ecosystems Program, Garvan Institute of Medical Research, Sydney, NSW, Australia
- School of Clinical Medicine, Faculty of Medicine and Health, UNSW Sydney, Sydney, NSW, Australia
| | - Ceren H. Çitirikkaya
- Division of Pharmacology, The Netherlands Cancer Institute, Amsterdam, Netherlands
| | - Kerstin Hahn
- Division of Molecular Pathology, Oncode Institute, The Netherlands Cancer Institute, Amsterdam, Netherlands
| | - Danielle Seinstra
- Department of Pathology, Amsterdam University Medical Centers/VUmc and Brain Tumor Center Amsterdam, Amsterdam, Netherlands
| | - David Herrmann
- Cancer Ecosystems Program, Garvan Institute of Medical Research, Sydney, NSW, Australia
- School of Clinical Medicine, Faculty of Medicine and Health, UNSW Sydney, Sydney, NSW, Australia
| | - Paul Timpson
- Cancer Ecosystems Program, Garvan Institute of Medical Research, Sydney, NSW, Australia
- School of Clinical Medicine, Faculty of Medicine and Health, UNSW Sydney, Sydney, NSW, Australia
| | - Pieter Wesseling
- Department of Pathology, Amsterdam University Medical Centers/VUmc and Brain Tumor Center Amsterdam, Amsterdam, Netherlands
- Princess Máxima Center for Pediatric Oncology, Utrecht, Netherlands
| | - Olaf van Tellingen
- Division of Pharmacology, The Netherlands Cancer Institute, Amsterdam, Netherlands
- Mouse Cancer Clinic, The Netherlands Cancer Institute, Amsterdam, Netherlands
| | - Claire Vennin
- Division of Molecular Pathology, Oncode Institute, The Netherlands Cancer Institute, Amsterdam, Netherlands
| | - Jacco van Rheenen
- Division of Molecular Pathology, Oncode Institute, The Netherlands Cancer Institute, Amsterdam, Netherlands
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Kindt N, Kotecki N, Awada A. Preclinical models to understand the biology and to discover new targets in brain metastases. Curr Opin Oncol 2023; 35:436-440. [PMID: 37551950 DOI: 10.1097/cco.0000000000000963] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/09/2023]
Abstract
PURPOSE OF REVIEW Incidence of brain metastases increases overtime therefore it is important to rapidly progress in the discovery of new strategies of treatment for these patients. In consequence, more and more preclinical models of brain metastases (BM) are established to study new treatments for melanoma, lung, and breast cancer BM. Here, we reviewed the most recent findings of new drugs assessed in BM mouse preclinical models. RECENT FINDINGS BM are a common metastatic site of several types of solid cancers and can be difficult to treat due to the unique environment of the brain and the blood-brain barrier. Currently, several preclinical models of BM have been demonstrated that new molecular targeted therapies, small metabolic inhibitors, immunotherapies or a combination of these drugs with radiotherapy lead to a reduction of BM growth and an improvement of mouse survival. SUMMARY The use of preclinical models of BM is crucial to discover new treatment strategies for patients with BM. In the last years, some new drugs have been highlighted in preclinical models and are now tested in clinical trials including patients with brain metastases.
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Affiliation(s)
- Nadège Kindt
- Laboratoire d'Oncologie Clinique et Expérimentale, Faculté de Médecine, Université Libre de Bruxelles, Institut Jules Bordet
| | - Nuria Kotecki
- Oncology Medicine Department, Institut Jules Bordet, Hôpital Universitaire de Bruxelles (HUB), Bruxelles, Belgium
| | - Ahmad Awada
- Laboratoire d'Oncologie Clinique et Expérimentale, Faculté de Médecine, Université Libre de Bruxelles, Institut Jules Bordet
- Oncology Medicine Department, Institut Jules Bordet, Hôpital Universitaire de Bruxelles (HUB), Bruxelles, Belgium
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7
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Ahmad A, Khan P, Rehman AU, Batra SK, Nasser MW. Immunotherapy: an emerging modality to checkmate brain metastasis. Mol Cancer 2023; 22:111. [PMID: 37454123 PMCID: PMC10349473 DOI: 10.1186/s12943-023-01818-7] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2023] [Accepted: 07/06/2023] [Indexed: 07/18/2023] Open
Abstract
The diagnosis of brain metastasis (BrM) has historically been a dooming diagnosis that is nothing less than a death sentence, with few treatment options for palliation or prolonging life. Among the few treatment options available, brain radiotherapy (RT) and surgical resection have been the backbone of therapy. Within the past couple of years, immunotherapy (IT), alone and in combination with traditional treatments, has emerged as a reckoning force to combat the spread of BrM and shrink tumor burden. This review compiles recent reports describing the potential role of IT in the treatment of BrM in various cancers. It also examines the impact of the tumor microenvironment of BrM on regulating the spread of cancer and the role IT can play in mitigating that spread. Lastly, this review also focuses on the future of IT and new clinical trials pushing the boundaries of IT in BrM.
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Affiliation(s)
- Aatiya Ahmad
- Department of Biochemistry and Molecular Biology, University of Nebraska Medical Center, Omaha, NE-68198, USA
| | - Parvez Khan
- Department of Biochemistry and Molecular Biology, University of Nebraska Medical Center, Omaha, NE-68198, USA
| | - Asad Ur Rehman
- Department of Biochemistry and Molecular Biology, University of Nebraska Medical Center, Omaha, NE-68198, USA
| | - Surinder Kumar Batra
- Department of Biochemistry and Molecular Biology, University of Nebraska Medical Center, Omaha, NE-68198, USA
- Fred and Pamela Buffett Cancer Center, University of Nebraska Medical Center, Omaha, NE, 68198, USA
- Eppley Institute for Research in Cancer and Allied Diseases, University of Nebraska Medical Center, Omaha, NE-68198, USA
| | - Mohd Wasim Nasser
- Department of Biochemistry and Molecular Biology, University of Nebraska Medical Center, Omaha, NE-68198, USA.
- Fred and Pamela Buffett Cancer Center, University of Nebraska Medical Center, Omaha, NE, 68198, USA.
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Chiu FY, Kvadas RM, Mheidly Z, Shahbandi A, Jackson JG. Could senescence phenotypes strike the balance to promote tumor dormancy? Cancer Metastasis Rev 2023; 42:143-160. [PMID: 36735097 DOI: 10.1007/s10555-023-10089-z] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/25/2022] [Accepted: 01/23/2023] [Indexed: 02/04/2023]
Abstract
After treatment and surgery, patient tumors can initially respond followed by a rapid relapse, or respond well and seemingly be cured, but then recur years or decades later. The state of surviving cancer cells during the long, undetected period is termed dormancy. By definition, the dormant tumor cells do not proliferate to create a mass that is detectable or symptomatic, but also never die. An intrinsic state and microenvironment that are inhospitable to the tumor would bias toward cell death and complete eradication, while conditions that favor the tumor would enable growth and relapse. In neither case would clinical dormancy be observed. Normal cells and tumor cells can enter a state of cellular senescence after stress such as that caused by cancer therapy. Senescence is characterized by a stable cell cycle arrest mediated by chromatin modifications that cause gene expression changes and a secretory phenotype involving many cytokines and chemokines. Senescent cell phenotypes have been shown to be both tumor promoting and tumor suppressive. The balance of these opposing forces presents an attractive model to explain tumor dormancy: phenotypes of stable arrest and immune suppression could promote survival, while reversible epigenetic programs combined with cytokines and growth factors that promote angiogenesis, survival, and proliferation could initiate the emergence from dormancy. In this review, we examine the phenotypes that have been characterized in different normal and cancer cells made senescent by various stresses and how these might explain the characteristics of tumor dormancy.
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Affiliation(s)
- Fang-Yen Chiu
- Department of Biochemistry and Molecular Biology, Tulane School of Medicine, 1430 Tulane Avenue, New Orleans, LA, 70112, USA
| | - Raegan M Kvadas
- Department of Biochemistry and Molecular Biology, Tulane School of Medicine, 1430 Tulane Avenue, New Orleans, LA, 70112, USA
| | - Zeinab Mheidly
- Department of Biochemistry and Molecular Biology, Tulane School of Medicine, 1430 Tulane Avenue, New Orleans, LA, 70112, USA
| | - Ashkan Shahbandi
- Department of Biochemistry and Molecular Biology, Tulane School of Medicine, 1430 Tulane Avenue, New Orleans, LA, 70112, USA
| | - James G Jackson
- Department of Biochemistry and Molecular Biology, Tulane School of Medicine, 1430 Tulane Avenue, New Orleans, LA, 70112, USA.
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The Potential of Senescence as a Target for Developing Anticancer Therapy. Int J Mol Sci 2023; 24:ijms24043436. [PMID: 36834846 PMCID: PMC9961771 DOI: 10.3390/ijms24043436] [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: 12/01/2022] [Revised: 02/06/2023] [Accepted: 02/07/2023] [Indexed: 02/11/2023] Open
Abstract
Senescence occurs in response to various stimuli. Senescence has attracted attention because of its potential use in anticancer therapy as it plays a tumor-suppressive role. It also promotes tumorigeneses and therapeutic resistance. Since senescence can induce therapeutic resistance, targeting senescence may help to overcome therapeutic resistance. This review provides the mechanisms of senescence induction and the roles of the senescence-associated secretory phenotype (SASP) in various life processes, including therapeutic resistance and tumorigenesis. The SASP exerts pro-tumorigenic or antitumorigenic effects in a context-dependent manner. This review also discusses the roles of autophagy, histone deacetylases (HDACs), and microRNAs in senescence. Many reports have suggested that targeting HDACs or miRNAs could induce senescence, which, in turn, could enhance the effects of current anticancer drugs. This review presents the view that senescence induction is a powerful method of inhibiting cancer cell proliferation.
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Ju G, Zeng K, Lu L, Diao H, Wang H, Li X, Zhou T. Identification and validation of the cellular senescence-related molecular subtypes of triple negative breast cancer via integrating bulk and single-cell RNA sequencing data. Am J Cancer Res 2023; 13:569-588. [PMID: 36895975 PMCID: PMC9989623] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2022] [Accepted: 01/30/2023] [Indexed: 03/11/2023] Open
Abstract
Patients with triple-negative breast cancer (TNBC) reportedly benefit from immune checkpoint blockade (ICB) therapy. However, the subtype-specific vulnerabilities of ICB in TNBC remain unclear. As the complex interplay between cellular senescence and anti-tumor immunity has been previously discussed, we aimed to identify markers related to cellular senescence that may serve as potential predictors of response to ICB in TNBC. We used three transcriptomic datasets derived from ICB-treated breast cancer samples at both scRNA-seq and bulk-RNA-seq levels to define the subtype-specific vulnerabilities of ICB in TNBC. Differences in the molecular features and immune cell infiltration among the different TNBC subtypes were further explored using two scRNA-seq, three bulk-RNA-seq, and two proteomic datasets. 18 TNBC samples were collected and utilized to verify the association between gene expression and immune cell infiltration by multiplex immunohistochemistry (mIHC). A specific type of cellular senescence was found to be significantly associated with response to ICB in TNBC. We employed the expression of four senescence-related genes, namely CDKN2A, CXCL10, CCND1, and IGF1R, to define a distinct senescence-related classifier using the non-negative matrix factorization approach. Two clusters were identified, namely the senescence-enriching cluster (C1; CDKN2A high CXCL10 high CCND1 low IGF1R low) and proliferating-enriching cluster (C2; CDKN2A low CXCL10 low CCND1 high IGF1R high). Our results indicated that the C1 cluster responds better to ICB and behaves with higher CD8+ T cell infiltration than the C2 cluster. Altogether, in this study, we developed a robust cellular senescence-related classifier of TNBC based on the expression of CDKN2A, CXCL10, CCND1, and IGF1R. This classifier act as a potential predictor of clinical outcomes and response to ICB.
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Affiliation(s)
- Gaoda Ju
- Department of Medical Oncology, Key Laboratory of Carcinogenesis & Translational Research (Ministry of Education/Beijing), Peking University Cancer Hospital and Institute Beijing 100142, China
| | - Kai Zeng
- Department of Thyroid Surgery, The Eighth Affiliated Hospital, Sun Yat-sen University Shenzhen 518000, Guangdong, China
| | - Linlin Lu
- Department of Thyroid and Breast Surgery, The First Affiliated Hospital of Soochow University Suzhou 215000, Jiangsu, China
| | - Han Diao
- Department of Pathology, Affiliated Hospital of Jining Medical University Jining 272000, Shandong, China
| | - Hao Wang
- Yancheng TCM Hospital, Nanjing University of Chinese Medicine Yancheng 224002, Jiangsu, China
| | - Xiaomin Li
- Department of Radiology, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine Shanghai, China
| | - Tianhao Zhou
- Department of Medical Oncology, Shanghai First People's Hospital, Shanghai Jiao Tong University School of Medicine Shanghai 200080, China
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