Article ; Online: Towards antigen-specific Tregs for type 1 diabetes: Construction and functional assessment of pancreatic endocrine marker, HPi2-based chimeric antigen receptor.
2020 Volume 358, Page(s) 104224
Abstract: Type 1 Diabetes (T1D) is an autoimmune disease marked by direct elimination of insulin-producing β cells by autoreactive T effectors. Recent T1D clinical trials utilizing autologous Tregs transfers to restore immune balance and improve disease has ... ...
Abstract | Type 1 Diabetes (T1D) is an autoimmune disease marked by direct elimination of insulin-producing β cells by autoreactive T effectors. Recent T1D clinical trials utilizing autologous Tregs transfers to restore immune balance and improve disease has prompted us to design a novel Tregs-based antigen-specific T1D immunotherapy. We engineered a Chimeric Antigen Receptor (CAR) expressing a single-chain Fv recognizing the human pancreatic endocrine marker, HPi2. Human T cells, transduced with the resultant HPi2-CAR, proliferated and amplified Granzyme B accumulation when co-cultured with human, but not mouse β cells. Furthermore, following exposure of HPi2-CAR transduced cells to islets, CD8 |
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MeSH term(s) | CD4-Positive T-Lymphocytes/immunology ; Cell Line ; Diabetes Mellitus, Type 1/immunology ; Humans ; Immune Tolerance/immunology ; Immunotherapy, Adoptive/methods ; Islets of Langerhans ; Pancreas/cytology ; Pancreas/metabolism ; Protamines/immunology ; Protamines/metabolism ; Protein Engineering/methods ; Receptors, Antigen, T-Cell/immunology ; Receptors, Chimeric Antigen/immunology ; Receptors, Chimeric Antigen/metabolism ; Single-Chain Antibodies/immunology ; Single-Chain Antibodies/metabolism ; T-Lymphocytes, Regulatory/immunology |
Chemical Substances | Protamines ; Receptors, Antigen, T-Cell ; Receptors, Chimeric Antigen ; Single-Chain Antibodies ; protamine 2 |
Language | English |
Publishing date | 2020-09-30 |
Publishing country | Netherlands |
Document type | Journal Article ; Research Support, N.I.H., Extramural ; Research Support, Non-U.S. Gov't |
ZDB-ID | 80094-6 |
ISSN | 1090-2163 ; 0008-8749 |
ISSN (online) | 1090-2163 |
ISSN | 0008-8749 |
DOI | 10.1016/j.cellimm.2020.104224 |
Database | MEDical Literature Analysis and Retrieval System OnLINE |
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