Identification of fibrinogen as a plasma protein binding partner for lecanemab biosimilar IgG

Abstract Objective Recombinant monoclonal therapeutic antibodies like lecanemab, which target amyloid beta in Alzheimer's disease, offer a promising approach for modifying the disease progression. Due to its relatively short half‐life, lecanemab administered as a bi‐monthly infusion (typically...

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Main Authors: Jean‐Pierre Bellier, Andrea M. Román Viera, Caitlyn Christiano, Juliana A. U. Anzai, Stephanie Moreno, Emily C. Campbell, Lucas Godwin, Amy Li, Alan Y. Chen, Sarah M. Alam, Adriana Saba, Han Bin Yoo, Hyun‐Sik Yang, Jasmeer P. Chhatwal, Dennis J. Selkoe, Lei Liu
Format: Article
Language:English
Published: Wiley 2024-12-01
Series:Annals of Clinical and Translational Neurology
Online Access:https://doi.org/10.1002/acn3.52227
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author Jean‐Pierre Bellier
Andrea M. Román Viera
Caitlyn Christiano
Juliana A. U. Anzai
Stephanie Moreno
Emily C. Campbell
Lucas Godwin
Amy Li
Alan Y. Chen
Sarah M. Alam
Adriana Saba
Han Bin Yoo
Hyun‐Sik Yang
Jasmeer P. Chhatwal
Dennis J. Selkoe
Lei Liu
author_facet Jean‐Pierre Bellier
Andrea M. Román Viera
Caitlyn Christiano
Juliana A. U. Anzai
Stephanie Moreno
Emily C. Campbell
Lucas Godwin
Amy Li
Alan Y. Chen
Sarah M. Alam
Adriana Saba
Han Bin Yoo
Hyun‐Sik Yang
Jasmeer P. Chhatwal
Dennis J. Selkoe
Lei Liu
author_sort Jean‐Pierre Bellier
collection DOAJ
description Abstract Objective Recombinant monoclonal therapeutic antibodies like lecanemab, which target amyloid beta in Alzheimer's disease, offer a promising approach for modifying the disease progression. Due to its relatively short half‐life, lecanemab administered as a bi‐monthly infusion (typically 10 mg/kg) has a relatively brief half‐life. Interaction with abundant plasma proteins binder in the bloodstream can affect pharmacokinetics of drugs, including their half‐life. In this study, we investigated potential plasma protein binding (PPB) interaction to lecanemab using lecanemab biosimilar. Methods Lecanemab biosimilar used in this study was based on publicly available sequences. ELISA and western blotting were used to assess lecanemab biosimilar immunoreactivity in the fractions of human plasma obtained through size exclusion chromatography. The binding of lecanemab biosimilar to candidate plasma binders was confirmed by western blotting, ELISA, and surface plasmon resonance analysis. Results Using a combination of equilibrium dialysis, ELISA, and western blotting in human plasma, we first describe the presence of likely PPB partners to lecanemab biosimilar and then identify fibrinogen as one of them. Utilizing surface plasmon resonance, we confirmed that lecanemab biosimilar does bind to fibrinogen, although with lower affinity than to monomeric amyloid beta. Interpretation In the context of lecanemab therapy, these results imply that fibrinogen levels could impact the levels of free antibodies in the bloodstream and that fibrinogen might serve as a reservoir for lecanemab. More broadly, these results indicate that PPB may be an important consideration when clinically utilizing therapeutic antibodies in neurodegenerative disease.
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spelling doaj-art-a2937031280e43858e2d3edef81ce0572025-08-20T01:58:23ZengWileyAnnals of Clinical and Translational Neurology2328-95032024-12-0111123192320410.1002/acn3.52227Identification of fibrinogen as a plasma protein binding partner for lecanemab biosimilar IgGJean‐Pierre Bellier0Andrea M. Román Viera1Caitlyn Christiano2Juliana A. U. Anzai3Stephanie Moreno4Emily C. Campbell5Lucas Godwin6Amy Li7Alan Y. Chen8Sarah M. Alam9Adriana Saba10Han Bin Yoo11Hyun‐Sik Yang12Jasmeer P. Chhatwal13Dennis J. Selkoe14Lei Liu15Department of Neurology, Brigham and Women's Hospital Harvard Medical School Boston Massachusetts USADepartment of Neurology, Brigham and Women's Hospital Harvard Medical School Boston Massachusetts USADepartment of Neurology, Brigham and Women's Hospital Harvard Medical School Boston Massachusetts USADepartment of Neurology, Brigham and Women's Hospital Harvard Medical School Boston Massachusetts USADepartment of Neurology, Brigham and Women's Hospital Harvard Medical School Boston Massachusetts USADepartment of Neurology, Brigham and Women's Hospital Harvard Medical School Boston Massachusetts USADepartment of Neurology, Brigham and Women's Hospital Harvard Medical School Boston Massachusetts USADepartment of Neurology, Brigham and Women's Hospital Harvard Medical School Boston Massachusetts USADepartment of Neurology, Brigham and Women's Hospital Harvard Medical School Boston Massachusetts USADepartment of Neurology, Brigham and Women's Hospital Harvard Medical School Boston Massachusetts USADepartment of Neurology, Brigham and Women's Hospital Harvard Medical School Boston Massachusetts USADepartment of Neurology, Brigham and Women's Hospital Harvard Medical School Boston Massachusetts USADepartment of Neurology, Brigham and Women's Hospital Harvard Medical School Boston Massachusetts USADepartment of Neurology, Brigham and Women's Hospital Harvard Medical School Boston Massachusetts USADepartment of Neurology, Brigham and Women's Hospital Harvard Medical School Boston Massachusetts USADepartment of Neurology, Brigham and Women's Hospital Harvard Medical School Boston Massachusetts USAAbstract Objective Recombinant monoclonal therapeutic antibodies like lecanemab, which target amyloid beta in Alzheimer's disease, offer a promising approach for modifying the disease progression. Due to its relatively short half‐life, lecanemab administered as a bi‐monthly infusion (typically 10 mg/kg) has a relatively brief half‐life. Interaction with abundant plasma proteins binder in the bloodstream can affect pharmacokinetics of drugs, including their half‐life. In this study, we investigated potential plasma protein binding (PPB) interaction to lecanemab using lecanemab biosimilar. Methods Lecanemab biosimilar used in this study was based on publicly available sequences. ELISA and western blotting were used to assess lecanemab biosimilar immunoreactivity in the fractions of human plasma obtained through size exclusion chromatography. The binding of lecanemab biosimilar to candidate plasma binders was confirmed by western blotting, ELISA, and surface plasmon resonance analysis. Results Using a combination of equilibrium dialysis, ELISA, and western blotting in human plasma, we first describe the presence of likely PPB partners to lecanemab biosimilar and then identify fibrinogen as one of them. Utilizing surface plasmon resonance, we confirmed that lecanemab biosimilar does bind to fibrinogen, although with lower affinity than to monomeric amyloid beta. Interpretation In the context of lecanemab therapy, these results imply that fibrinogen levels could impact the levels of free antibodies in the bloodstream and that fibrinogen might serve as a reservoir for lecanemab. More broadly, these results indicate that PPB may be an important consideration when clinically utilizing therapeutic antibodies in neurodegenerative disease.https://doi.org/10.1002/acn3.52227
spellingShingle Jean‐Pierre Bellier
Andrea M. Román Viera
Caitlyn Christiano
Juliana A. U. Anzai
Stephanie Moreno
Emily C. Campbell
Lucas Godwin
Amy Li
Alan Y. Chen
Sarah M. Alam
Adriana Saba
Han Bin Yoo
Hyun‐Sik Yang
Jasmeer P. Chhatwal
Dennis J. Selkoe
Lei Liu
Identification of fibrinogen as a plasma protein binding partner for lecanemab biosimilar IgG
Annals of Clinical and Translational Neurology
title Identification of fibrinogen as a plasma protein binding partner for lecanemab biosimilar IgG
title_full Identification of fibrinogen as a plasma protein binding partner for lecanemab biosimilar IgG
title_fullStr Identification of fibrinogen as a plasma protein binding partner for lecanemab biosimilar IgG
title_full_unstemmed Identification of fibrinogen as a plasma protein binding partner for lecanemab biosimilar IgG
title_short Identification of fibrinogen as a plasma protein binding partner for lecanemab biosimilar IgG
title_sort identification of fibrinogen as a plasma protein binding partner for lecanemab biosimilar igg
url https://doi.org/10.1002/acn3.52227
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