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Choudhry H, Helmi N, Abdulaal WH, Zeyadi M, Zamzami MA, Wu W, Mahmoud MM, Warsi MK, Rasool M, Jamal MS. Prospects of IL-2 in Cancer Immunotherapy. BIOMED RESEARCH INTERNATIONAL 2018; 2018:9056173. [PMID: 29854806 PMCID: PMC5960517 DOI: 10.1155/2018/9056173] [Citation(s) in RCA: 89] [Impact Index Per Article: 14.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/13/2017] [Revised: 02/25/2018] [Accepted: 03/29/2018] [Indexed: 01/04/2023]
Abstract
IL-2 is a powerful immune growth factor and it plays important role in sustaining T cell response. The potential of IL-2 in expanding T cells without loss of functionality has led to its early use in cancer immunotherapy. IL-2 has been reported to induce complete and durable regressions in cancer patients but immune related adverse effects have been reported (irAE). The present review discusses the prospects of IL-2 in immunotherapy for cancer.
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Affiliation(s)
- Hani Choudhry
- Department of Biochemistry, Cancer Metabolism and Epigenetic Unit, Faculty of Science, Cancer and Mutagenesis Unit, King Fahd Center for Medical Research, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Nawal Helmi
- Department of Biochemistry, Cancer Metabolism and Epigenetic Unit, Faculty of Science, Cancer and Mutagenesis Unit, King Fahd Center for Medical Research, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Wesam H. Abdulaal
- Department of Biochemistry, Cancer Metabolism and Epigenetic Unit, Faculty of Science, Cancer and Mutagenesis Unit, King Fahd Center for Medical Research, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Mustafa Zeyadi
- Department of Biochemistry, Cancer Metabolism and Epigenetic Unit, Faculty of Science, Cancer and Mutagenesis Unit, King Fahd Center for Medical Research, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Mazin A. Zamzami
- Department of Biochemistry, Cancer Metabolism and Epigenetic Unit, Faculty of Science, Cancer and Mutagenesis Unit, King Fahd Center for Medical Research, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Wei Wu
- Department of Medicine, University of California, San Francisco, CA 94143, USA
| | - Maged Mostafa Mahmoud
- King Fahd Medical Research, King Abdulaziz University, Jeddah, Saudi Arabia
- Department of Molecular Genetics and Enzymology, Division of Human Genetics and Genome Research, National Research Center, Giza, Egypt
| | | | - Mahmood Rasool
- Center of Excellence in Genomic Medicine Research, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Mohammad S. Jamal
- King Fahd Medical Research, King Abdulaziz University, Jeddah, Saudi Arabia
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Wilkin T, Greene S, McCrimmon R. Testing the accelerator hypothesis: a new approach to type 1 diabetes prevention (adAPT 1). Diabetes Obes Metab 2016; 18:3-5. [PMID: 26511442 DOI: 10.1111/dom.12599] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/05/2015] [Revised: 10/18/2015] [Accepted: 10/24/2015] [Indexed: 12/30/2022]
Affiliation(s)
- T Wilkin
- Institute of Heath Research, University of Exeter Medical School, Exeter, UK
| | - S Greene
- Department of Child and Adolescent Health, University of Dundee, Dundee, UK
| | - R McCrimmon
- Department of Cardiovascular and Diabetes Medicine, University of Dundee, Dundee, UK
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Abdi R, Moore R, Sakai S, Donnelly CB, Mounayar M, Sackstein R. HCELL Expression on Murine MSC Licenses Pancreatotropism and Confers Durable Reversal of Autoimmune Diabetes in NOD Mice. Stem Cells 2015; 33:1523-31. [PMID: 25641589 PMCID: PMC4447299 DOI: 10.1002/stem.1948] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2014] [Accepted: 12/18/2014] [Indexed: 12/19/2022]
Abstract
Type 1 diabetes (T1D) is an immune-mediated disease resulting in destruction of insulin-producing pancreatic beta cells. Mesenchymal stem cells (MSCs) possess potent immunomodulatory properties, garnering increasing attention as cellular therapy for T1D and other immunologic diseases. However, MSCs generally lack homing molecules, hindering their colonization at inflammatory sites following intravenous (IV) administration. Here, we analyzed whether enforced E-selectin ligand expression on murine MSCs could impact their effect in reversing hyperglycemia in nonobese diabetic (NOD) mice. Although murine MSCs natively do not express the E-selectin-binding determinant sialyl Lewis(x) (sLe(x) ), we found that fucosyltransferase-mediated α(1,3)-exofucosylation of murine MSCs resulted in sLe(x) display uniquely on cell surface CD44 thereby creating hematopoietic cell E-/L-selectin ligand (HCELL), the E-selectin-binding glycoform of CD44. Following IV infusion into diabetic NOD mice, allogeneic HCELL(+) MSCs showed threefold greater peri-islet infiltrates compared to buffer-treated (i.e., HCELL(-) ) MSCs, with distribution in proximity to E-selectin-expressing microvessels. Exofucosylation had no effect on MSC immunosuppressive capacity in in vitro assays; however, although engraftment was temporary for both HCELL(+) and HCELL(-) MSCs, administration of HCELL(+) MSCs resulted in durable reversal of hyperglycemia, whereas only transient reversal was observed following administration of HCELL(-) MSCs. Notably, exofucosylation of MSCs generated from CD44(-/-) mice induced prominent membrane expression of sLe(x) , but IV administration of these MSCs into hyperglycemic NOD mice showed no enhanced pancreatotropism or reversal of hyperglycemia. These findings provide evidence that glycan engineering to enforce HCELL expression boosts trafficking of infused MSCs to pancreatic islets of NOD mice and substantially improves their efficacy in reversing autoimmune diabetes. Stem Cells 2013;33:1523-1531.
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Affiliation(s)
- Reza Abdi
- Department of Medicine, Renal Division & Transplantation Research Center, Brigham & Women’s Hospital, Harvard Medical School, Boston, MA 02115
| | - Robert Moore
- Department of Medicine, Renal Division & Transplantation Research Center, Brigham & Women’s Hospital, Harvard Medical School, Boston, MA 02115
| | - Shinobu Sakai
- Department of Dermatology, Program of Excellence in Glycosciences, Harvard Medical School, Boston, MA 02115
| | - Conor B. Donnelly
- Department of Dermatology, Program of Excellence in Glycosciences, Harvard Medical School, Boston, MA 02115
| | - Marwan Mounayar
- Department of Medicine, Renal Division & Transplantation Research Center, Brigham & Women’s Hospital, Harvard Medical School, Boston, MA 02115
| | - Robert Sackstein
- Department of Dermatology, Program of Excellence in Glycosciences, Harvard Medical School, Boston, MA 02115
- Department of Medicine, Brigham and Women’s Hospital, Boston, Harvard Medical School, MA 02115
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Skrombolas D, Frelinger JG. Challenges and developing solutions for increasing the benefits of IL-2 treatment in tumor therapy. Expert Rev Clin Immunol 2014; 10:207-17. [PMID: 24410537 DOI: 10.1586/1744666x.2014.875856] [Citation(s) in RCA: 67] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
Interleukin-2 (IL-2) is a cytokine with pleiotropic effects on the immune system. Systemic IL-2 treatment has produced durable responses in melanoma and renal cancer patients, but unfortunately this is effective only in a fraction of patients. Moreover, IL-2 treatment also engenders serious side effects, which limit its clinical utility. It is now appreciated that IL-2 not only stimulates NK and effector T cells but also has a critical role in the generation and maintenance of regulatory T cells, which act to dampen immune responses. Thus, successful immunotherapy of cancers using IL-2 has to address two fundamentally important issues: (1) how to limit side effects yet be active where it is needed, and (2) how to preferentially activate effector T cells while limiting the stimulation of Tregs. Strategies are now being developed to address these critical obstacles that may lead to a renaissance of IL-2 therapy.
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Affiliation(s)
- Denise Skrombolas
- Department of Microbiology and Immunology, University of Rochester Medical Center, 601 Elmwood Ave, Rochester, NY14642, USA
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Abstract
Diabetes is usually classified as autoimmune or metabolic but, as difficulties have arisen with the taxonomy of diabetes, it may help to forego the conventional classification for a more inclusive model. Thus, all diabetes can be ascribed to beta cell insufficiency-hyperglycemia occurs only when the insulin supply fails to meet demand. Humans enter the world with a reserve of beta cells, which is eroded variably by apoptosis over the course of a lifetime. For most, the loss is slow and inconsequential but, for others fast enough to be critical within a lifetime. The challenge now is to define the factors that vary the tempo of beta cell loss, because tempo, not type, seems likely to determine whether diabetes occurs at all, in adulthood or in childhood. Insulin resistance is generally believed to underpin T2D, but has been a feature of insulin-dependent diabetes as well for nearly 80 years, though largely ignored until immunotherapy trials to test the autoimmunity hypothesis persistently failed to bring patient benefit. It seems possible that insulin resistance accelerates beta cell loss generally, its impact modulated by an immune response (autoimmunity) to the beta-cell stress whose intensity varies with immunogenotype. If so, the target for prevention of T1D might more logically lie with insulin sensitivity than with immunoregulation.
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Sitrin J, Ring A, Garcia KC, Benoist C, Mathis D. Regulatory T cells control NK cells in an insulitic lesion by depriving them of IL-2. ACTA ACUST UNITED AC 2013; 210:1153-65. [PMID: 23650440 PMCID: PMC3674700 DOI: 10.1084/jem.20122248] [Citation(s) in RCA: 112] [Impact Index Per Article: 10.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
Pancreatic T reg cells control the availability of CD4+ T cell–secreted IL-2 to limit NK cell function. Regulatory T (T reg) cells control progression to autoimmune diabetes in the BDC2.5/NOD mouse model by reining in natural killer (NK) cells that infiltrate the pancreatic islets, inhibiting both their proliferation and production of diabetogenic interferon-γ. In this study, we have explored the molecular mechanisms underlying this NK–T reg cell axis, following leads from a kinetic exploration of gene expression changes early after punctual perturbation of T reg cells in BDC2.5/NOD mice. Results from gene signature analyses, quantification of STAT5 phosphorylation levels, cytokine neutralization experiments, cytokine supplementation studies, and evaluations of intracellular cytokine levels collectively argue for a scenario in which T reg cells regulate NK cell functions by controlling the bioavailability of limiting amounts of IL-2 in the islets, generated mainly by infiltrating CD4+ T cells. This scenario represents a previously unappreciated intertwining of the innate and adaptive immune systems: CD4+ T cells priming NK cells to provoke a destructive T effector cell response. Our findings highlight the need to consider potential effects on NK cells when designing therapeutic strategies based on manipulation of IL-2 levels or targets.
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Affiliation(s)
- Jonathan Sitrin
- Division of Immunology, Department of Microbiology and Immunobiology, Harvard Medical School, Boston, MA 02115, USA
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Affiliation(s)
- Timothy O'Brien
- Regenerative Medicine Institute and Department of Medicine, National Centre for Biomedical Engineering Science, National University of Ireland and Galway University Hospital, Galway, Ireland.
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