Development of Beta-Amyloid-Specific CAR-Tregs for the Treatment of Alzheimer’s Disease

Background: Alzheimer’s disease (AD) is a neurodegenerative disease that remains uncured. Its pathogenesis is characterized by the formation of β-amyloid (Aβ) plaques. The use of antigen-specific regulatory T cells (Tregs) through adoptive transfer has shown promise for the treatment of many inflamm...

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Main Authors: Valerie Saetzler, Tobias Riet, Andrea Schienke, Pierre Henschel, Kiara Freitag, Alexander Haake, Frank L. Heppner, Laura Elisa Buitrago-Molina, Fatih Noyan, Elmar Jaeckel, Matthias Hardtke-Wolenski
Format: Article
Language:English
Published: MDPI AG 2023-08-01
Series:Cells
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Online Access:https://www.mdpi.com/2073-4409/12/16/2115
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author Valerie Saetzler
Tobias Riet
Andrea Schienke
Pierre Henschel
Kiara Freitag
Alexander Haake
Frank L. Heppner
Laura Elisa Buitrago-Molina
Fatih Noyan
Elmar Jaeckel
Matthias Hardtke-Wolenski
author_facet Valerie Saetzler
Tobias Riet
Andrea Schienke
Pierre Henschel
Kiara Freitag
Alexander Haake
Frank L. Heppner
Laura Elisa Buitrago-Molina
Fatih Noyan
Elmar Jaeckel
Matthias Hardtke-Wolenski
author_sort Valerie Saetzler
collection DOAJ
description Background: Alzheimer’s disease (AD) is a neurodegenerative disease that remains uncured. Its pathogenesis is characterized by the formation of β-amyloid (Aβ) plaques. The use of antigen-specific regulatory T cells (Tregs) through adoptive transfer has shown promise for the treatment of many inflammatory diseases, although the effectiveness of polyspecific Tregs is limited. Obtaining a sufficient number of antigen-specific Tregs from patients remains challenging. Aims and Methods: To address this problem, we used an antibody-like single-chain variable fragment from a phage library and subsequently generated a chimeric antigen receptor (CAR) targeting β-amyloid. Results: The β-amyloid-specific CARs obtained were stimulated by both recombinant and membrane-bound Aβ isolated from the murine brain. The generated CAR-Tregs showed a normal Treg phenotype, were antigen-specific activatable, and had suppressive capacity. Conclusion: This study highlights the potential of CAR technology to generate antigen-specific Tregs and presents novel approaches for developing functional CARs.
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spelling doaj.art-f72eecfb2b00440c95d4793a333c74602023-11-19T00:37:47ZengMDPI AGCells2073-44092023-08-011216211510.3390/cells12162115Development of Beta-Amyloid-Specific CAR-Tregs for the Treatment of Alzheimer’s DiseaseValerie Saetzler0Tobias Riet1Andrea Schienke2Pierre Henschel3Kiara Freitag4Alexander Haake5Frank L. Heppner6Laura Elisa Buitrago-Molina7Fatih Noyan8Elmar Jaeckel9Matthias Hardtke-Wolenski10Department of Gastroenterology, Hepatology, Infectious Diseases & Endocrinology, Hannover Medical School, 30625 Hannover, GermanyDepartment of Gastroenterology, Hepatology, Infectious Diseases & Endocrinology, Hannover Medical School, 30625 Hannover, GermanyDepartment of Gastroenterology, Hepatology, Infectious Diseases & Endocrinology, Hannover Medical School, 30625 Hannover, GermanyDepartment of Gastroenterology, Hepatology, Infectious Diseases & Endocrinology, Hannover Medical School, 30625 Hannover, GermanyDepartment of Neuropathology, Charité-Universitätsmedizin Berlin, Freie Universität Berlin and Humboldt-Universität zu Berlin, 10117 Berlin, GermanyDepartment of Neuropathology, Charité-Universitätsmedizin Berlin, Freie Universität Berlin and Humboldt-Universität zu Berlin, 10117 Berlin, GermanyDepartment of Neuropathology, Charité-Universitätsmedizin Berlin, Freie Universität Berlin and Humboldt-Universität zu Berlin, 10117 Berlin, GermanyDepartment of Gastroenterology, Hepatology, Infectious Diseases & Endocrinology, Hannover Medical School, 30625 Hannover, GermanyDepartment of Gastroenterology, Hepatology, Infectious Diseases & Endocrinology, Hannover Medical School, 30625 Hannover, GermanyDepartment of Gastroenterology, Hepatology, Infectious Diseases & Endocrinology, Hannover Medical School, 30625 Hannover, GermanyDepartment of Gastroenterology, Hepatology, Infectious Diseases & Endocrinology, Hannover Medical School, 30625 Hannover, GermanyBackground: Alzheimer’s disease (AD) is a neurodegenerative disease that remains uncured. Its pathogenesis is characterized by the formation of β-amyloid (Aβ) plaques. The use of antigen-specific regulatory T cells (Tregs) through adoptive transfer has shown promise for the treatment of many inflammatory diseases, although the effectiveness of polyspecific Tregs is limited. Obtaining a sufficient number of antigen-specific Tregs from patients remains challenging. Aims and Methods: To address this problem, we used an antibody-like single-chain variable fragment from a phage library and subsequently generated a chimeric antigen receptor (CAR) targeting β-amyloid. Results: The β-amyloid-specific CARs obtained were stimulated by both recombinant and membrane-bound Aβ isolated from the murine brain. The generated CAR-Tregs showed a normal Treg phenotype, were antigen-specific activatable, and had suppressive capacity. Conclusion: This study highlights the potential of CAR technology to generate antigen-specific Tregs and presents novel approaches for developing functional CARs.https://www.mdpi.com/2073-4409/12/16/2115chimeric antigen receptorAlzheimer’s diseasebeta-amyloidregulatory T cellssingle-chain fragment
spellingShingle Valerie Saetzler
Tobias Riet
Andrea Schienke
Pierre Henschel
Kiara Freitag
Alexander Haake
Frank L. Heppner
Laura Elisa Buitrago-Molina
Fatih Noyan
Elmar Jaeckel
Matthias Hardtke-Wolenski
Development of Beta-Amyloid-Specific CAR-Tregs for the Treatment of Alzheimer’s Disease
Cells
chimeric antigen receptor
Alzheimer’s disease
beta-amyloid
regulatory T cells
single-chain fragment
title Development of Beta-Amyloid-Specific CAR-Tregs for the Treatment of Alzheimer’s Disease
title_full Development of Beta-Amyloid-Specific CAR-Tregs for the Treatment of Alzheimer’s Disease
title_fullStr Development of Beta-Amyloid-Specific CAR-Tregs for the Treatment of Alzheimer’s Disease
title_full_unstemmed Development of Beta-Amyloid-Specific CAR-Tregs for the Treatment of Alzheimer’s Disease
title_short Development of Beta-Amyloid-Specific CAR-Tregs for the Treatment of Alzheimer’s Disease
title_sort development of beta amyloid specific car tregs for the treatment of alzheimer s disease
topic chimeric antigen receptor
Alzheimer’s disease
beta-amyloid
regulatory T cells
single-chain fragment
url https://www.mdpi.com/2073-4409/12/16/2115
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