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Jafari D, Mousavi MJ, Keshavarz Shahbaz S, Jafarzadeh L, Tahmasebi S, Spoor J, Esmaeilzadeh A. E3 ubiquitin ligase Casitas B lineage lymphoma-b and its potential therapeutic implications for immunotherapy. Clin Exp Immunol 2021; 204:14-31. [PMID: 33306199 DOI: 10.1111/cei.13560] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2020] [Revised: 11/17/2020] [Accepted: 12/02/2020] [Indexed: 12/25/2022] Open
Abstract
The distinction of self from non-self is crucial to prevent autoreactivity and ensure protection from infectious agents and tumors. Maintaining the balance between immunity and tolerance of immune cells is strongly controlled by several sophisticated regulatory mechanisms of the immune system. Among these, the E3 ligase ubiquitin Casitas B cell lymphoma-b (Cbl-b) is a newly identified component in the ubiquitin-dependent protein degradation system, which is thought to be an important negative regulator of immune cells. An update on the current knowledge and new concepts of the relevant immune homeostasis program co-ordinated by Cbl-b in different cell populations could pave the way for future immunomodulatory therapies of various diseases, such as autoimmune and allergic diseases, infections, cancers and other immunopathological conditions. In the present review, the latest findings are comprehensively summarized on the molecular structural basis of Cbl-b and the suppressive signaling mechanisms of Cbl-b in physiological and pathological immune responses, as well as its emerging potential therapeutic implications for immunotherapy in animal models and human diseases.
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Affiliation(s)
- D Jafari
- Department of Immunology, School of Medicine, Zanjan University of Medical Sciences, Zanjan, Iran.,Immunotherapy Research and Technology Group, Zanjan University of Medical Sciences, Zanjan, Iran
| | - M J Mousavi
- Department of Hematology, Faculty of Allied medicine, Bushehr University of Medical Sciences, Bushehr, Iran.,Department of Immunology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - S Keshavarz Shahbaz
- Department of Immunology, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - L Jafarzadeh
- Department of Immunology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - S Tahmasebi
- Department of Immunology, School of public health, Tehran University of Medical Sciences, Tehran, Iran
| | - J Spoor
- Erasmus University Medical Centre, Erasmus University Rotterdam, Rotterdam, the Netherlands
| | - A Esmaeilzadeh
- Department of Immunology, School of Medicine, Zanjan University of Medical Sciences, Zanjan, Iran.,Immunotherapy Research and Technology Group, Zanjan University of Medical Sciences, Zanjan, Iran.,Cancer Gene Therapy Research Center, Zanjan University of Medical Sciences, Zanjan, Iran
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