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Brisset M, Mehlen P, Meurette O, Hollande F. Notch receptor/ligand diversity: contribution to colorectal cancer stem cell heterogeneity. Front Cell Dev Biol 2023; 11:1231416. [PMID: 37860822 PMCID: PMC10582728 DOI: 10.3389/fcell.2023.1231416] [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: 05/30/2023] [Accepted: 09/21/2023] [Indexed: 10/21/2023] Open
Abstract
Cancer cell heterogeneity is a key contributor to therapeutic failure and post-treatment recurrence. Targeting cell subpopulations responsible for chemoresistance and recurrence seems to be an attractive approach to improve treatment outcome in cancer patients. However, this remains challenging due to the complexity and incomplete characterization of tumor cell subpopulations. The heterogeneity of cells exhibiting stemness-related features, such as self-renewal and chemoresistance, fuels this complexity. Notch signaling is a known regulator of cancer stem cell (CSC) features in colorectal cancer (CRC), though the effects of its heterogenous signaling on CRC cell stemness are only just emerging. In this review, we discuss how Notch ligand-receptor specificity contributes to regulating stemness, self-renewal, chemoresistance and cancer stem cells heterogeneity in CRC.
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Affiliation(s)
- Morgan Brisset
- Department of Clinical Pathology, Victorian Comprehensive Cancer Centre, The University of Melbourne, Melbourne, VIC, Australia
- Centre for Cancer Research, The University of Melbourne, Melbourne, VIC, Australia
- Cancer Cell Death Laboratory, Centre de Recherche en Cancérologie de Lyon, INSERM U1052-CNRS UMR5286, Centre Léon Bérard, Université de Lyon, Lyon, France
| | - Patrick Mehlen
- Cancer Cell Death Laboratory, Centre de Recherche en Cancérologie de Lyon, INSERM U1052-CNRS UMR5286, Centre Léon Bérard, Université de Lyon, Lyon, France
| | - Olivier Meurette
- Cancer Cell Death Laboratory, Centre de Recherche en Cancérologie de Lyon, INSERM U1052-CNRS UMR5286, Centre Léon Bérard, Université de Lyon, Lyon, France
| | - Frédéric Hollande
- Department of Clinical Pathology, Victorian Comprehensive Cancer Centre, The University of Melbourne, Melbourne, VIC, Australia
- Centre for Cancer Research, The University of Melbourne, Melbourne, VIC, Australia
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Dzobo K, Senthebane DA, Ganz C, Thomford NE, Wonkam A, Dandara C. Advances in Therapeutic Targeting of Cancer Stem Cells within the Tumor Microenvironment: An Updated Review. Cells 2020; 9:E1896. [PMID: 32823711 PMCID: PMC7464860 DOI: 10.3390/cells9081896] [Citation(s) in RCA: 66] [Impact Index Per Article: 16.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2020] [Revised: 08/04/2020] [Accepted: 08/11/2020] [Indexed: 12/24/2022] Open
Abstract
Despite great strides being achieved in improving cancer patients' outcomes through better therapies and combinatorial treatment, several hurdles still remain due to therapy resistance, cancer recurrence and metastasis. Drug resistance culminating in relapse continues to be associated with fatal disease. The cancer stem cell theory posits that tumors are driven by specialized cancer cells called cancer stem cells (CSCs). CSCs are a subpopulation of cancer cells known to be resistant to therapy and cause metastasis. Whilst the debate on whether CSCs are the origins of the primary tumor rages on, CSCs have been further characterized in many cancers with data illustrating that CSCs display great abilities to self-renew, resist therapies due to enhanced epithelial to mesenchymal (EMT) properties, enhanced expression of ATP-binding cassette (ABC) membrane transporters, activation of several survival signaling pathways and increased immune evasion as well as DNA repair mechanisms. CSCs also display great heterogeneity with the consequential lack of specific CSC markers presenting a great challenge to their targeting. In this updated review we revisit CSCs within the tumor microenvironment (TME) and present novel treatment strategies targeting CSCs. These promising strategies include targeting CSCs-specific properties using small molecule inhibitors, immunotherapy, microRNA mediated inhibitors, epigenetic methods as well as targeting CSC niche-microenvironmental factors and differentiation. Lastly, we present recent clinical trials undertaken to try to turn the tide against cancer by targeting CSC-associated drug resistance and metastasis.
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Affiliation(s)
- Kevin Dzobo
- International Centre for Genetic Engineering and Biotechnology (ICGEB), Cape Town Component, Wernher and Beit Building (South), UCT Medical Campus, Anzio Road, Observatory, Cape Town 7925, South Africa; (D.A.S.); (C.G.)
- Division of Medical Biochemistry and Institute of Infectious Disease and Molecular Medicine, Department of Integrative Biomedical Sciences, Faculty of Health Sciences, University of Cape Town, Cape Town 7925, South Africa
| | - Dimakatso Alice Senthebane
- International Centre for Genetic Engineering and Biotechnology (ICGEB), Cape Town Component, Wernher and Beit Building (South), UCT Medical Campus, Anzio Road, Observatory, Cape Town 7925, South Africa; (D.A.S.); (C.G.)
- Division of Medical Biochemistry and Institute of Infectious Disease and Molecular Medicine, Department of Integrative Biomedical Sciences, Faculty of Health Sciences, University of Cape Town, Cape Town 7925, South Africa
| | - Chelene Ganz
- International Centre for Genetic Engineering and Biotechnology (ICGEB), Cape Town Component, Wernher and Beit Building (South), UCT Medical Campus, Anzio Road, Observatory, Cape Town 7925, South Africa; (D.A.S.); (C.G.)
- Division of Medical Biochemistry and Institute of Infectious Disease and Molecular Medicine, Department of Integrative Biomedical Sciences, Faculty of Health Sciences, University of Cape Town, Cape Town 7925, South Africa
| | - Nicholas Ekow Thomford
- Division of Human Genetics, Department of Pathology and Institute for Infectious Disease and Molecular Medicine, Faculty of Health Sciences, University of Cape Town, Anzio Road, Observatory, Cape Town 7925, South Africa; (N.E.T.); (A.W.); (C.D.)
- Department of Medical Biochemistry, School of Medical Sciences, College of Health Sciences, University of Cape Coast, PMB, Cape Coast, Ghana
| | - Ambroise Wonkam
- Division of Human Genetics, Department of Pathology and Institute for Infectious Disease and Molecular Medicine, Faculty of Health Sciences, University of Cape Town, Anzio Road, Observatory, Cape Town 7925, South Africa; (N.E.T.); (A.W.); (C.D.)
| | - Collet Dandara
- Division of Human Genetics, Department of Pathology and Institute for Infectious Disease and Molecular Medicine, Faculty of Health Sciences, University of Cape Town, Anzio Road, Observatory, Cape Town 7925, South Africa; (N.E.T.); (A.W.); (C.D.)
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Xiao W, Ibrahim ML, Redd PS, Klement JD, Lu C, Yang D, Savage NM, Liu K. Loss of Fas Expression and Function Is Coupled with Colon Cancer Resistance to Immune Checkpoint Inhibitor Immunotherapy. Mol Cancer Res 2018; 17:420-430. [PMID: 30429213 DOI: 10.1158/1541-7786.mcr-18-0455] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2018] [Revised: 08/09/2018] [Accepted: 11/07/2018] [Indexed: 12/28/2022]
Abstract
Despite the remarkable efficacy of immune checkpoint inhibitor (ICI) immunotherapy in various types of human cancers, colon cancer, except for the approximately 4% microsatellite-instable (MSI) colon cancer, does not respond to ICI immunotherapy. ICI acts through activating CTLs that use the Fas-FasL pathway as one of the two effector mechanisms to suppress tumor. Cancer stem cells are often associated with resistance to therapy including immunotherapy, but the functions of Fas in colon cancer apoptosis and colon cancer stem cells are currently conflicting and highly debated. We report here that decreased Fas expression is coupled with a subset of CD133+CD24lo colon cancer cells in vitro and in vivo. Consistent of the lower Fas expression level, this subset of CD133+CD24loFaslo colon cancer cells exhibits decreased sensitivity to FasL-induced apoptosis. Furthermore, FasL selectively enriches CD133+CD24loFaslo colon cancer cells. CD133+CD24loFaslo colon cancer cells exhibit increased lung colonization potential in experimental metastatic mouse models and decreased sensitivity to tumor-specific CTL adoptive transfer and ICI immunotherapies. Interestingly, FasL challenge selectively enriched this subset of colon cancer cells in microsatellite-stable (MSS) but not in the MSI human colon cancer cell lines. Consistent with the downregulation of Fas expression in CD133+CD24lo cells, lower Fas expression level is significantly correlated with decreased survival in patients with human colon cancer. IMPLICATIONS: Our data determine that CD133+CD24loFaslo colon cancer cells are capable to evade Fas-FasL cytotoxicity of tumor-reactive CTLs and targeting this subset of colon cancer cells is potentially an effective approach to suppress colon cancer immune evasion.
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Affiliation(s)
- Wei Xiao
- Department of Biochemistry and Molecular Biology, Medical College of Georgia, Augusta, Georgia
| | - Mohammed L Ibrahim
- Department of Biochemistry and Molecular Biology, Medical College of Georgia, Augusta, Georgia.,Georgia Cancer Center, Medical College of Georgia, Augusta, Georgia
| | - Priscilla S Redd
- Department of Biochemistry and Molecular Biology, Medical College of Georgia, Augusta, Georgia.,Georgia Cancer Center, Medical College of Georgia, Augusta, Georgia.,Charlie Norwood VA Medical Center, Augusta, Georgia
| | - John D Klement
- Department of Biochemistry and Molecular Biology, Medical College of Georgia, Augusta, Georgia.,Georgia Cancer Center, Medical College of Georgia, Augusta, Georgia.,Charlie Norwood VA Medical Center, Augusta, Georgia
| | - Chunwan Lu
- Department of Biochemistry and Molecular Biology, Medical College of Georgia, Augusta, Georgia.,Georgia Cancer Center, Medical College of Georgia, Augusta, Georgia.,Charlie Norwood VA Medical Center, Augusta, Georgia
| | - Dafeng Yang
- Department of Biochemistry and Molecular Biology, Medical College of Georgia, Augusta, Georgia.,Charlie Norwood VA Medical Center, Augusta, Georgia
| | - Natasha M Savage
- Department of Pathology, Medical College of Georgia, Augusta, Georgia
| | - Kebin Liu
- Department of Biochemistry and Molecular Biology, Medical College of Georgia, Augusta, Georgia. .,Georgia Cancer Center, Medical College of Georgia, Augusta, Georgia.,Charlie Norwood VA Medical Center, Augusta, Georgia
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