Increased Brain Penetration and Potency of a Therapeutic Antibody Using a Monovalent Molecular Shuttle
Open accessAbstract
Although biotherapeutics have vast potential for treating brain disorders, their use has been limited due to low exposure across the blood-brain barrier (BBB). We report that by manipulating the binding mode of an antibody fragment to the transferrin receptor (TfR), we have developed a Brain Shuttle module, which can be engineered into a standard therapeutic antibody for successful BBB transcytosis. Brain Shuttle version of an anti-Aβ antibody, which uses a monovalent binding mode to the TfR, increases β-Amyloid target engagement in a mouse model of Alzheimer's disease by 55-fold compared to the parent antibody. We provide in vitro and in vivo evidence that the monovalent binding mode facilitates transcellular transport, whereas a bivalent binding mode leads to lysosome sorting. Enhanced target engagement of the Brain Shuttle module translates into a significant improvement in amyloid reduction. These findings have major implications for the development of biologics-based treatment of brain disorders.
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Anti-TfR-Aβ antibody has shown promise in the PS2APP mouse model.
“or anti-TfR-A 𝛃 antibody in PS2APP mouse model (435).”
From Blood-Brain Barrier: From Physiology to Disease and Back (2019) · cites this paper as [435]
Patients without brain amyloid who receive aducanumab would have no likelihood of clinical benefit.
“otherwise patients may receiving aducanumab with no likelihood of clinical benefit 109 .”
From The amyloid hypothesis in Alzheimer disease: new insights from new therapeutics (2022) · cites this paper as [109]
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- Authors
- Niewoehner, J., Bohrmann, B., Collin, L., Urich, E., Sade, H., Maier, P., Rueger, P., Stracke, J. O., Lau, W., Tissot, A. C., Loetscher, H., Ghosh, A., & Freskgård, P.-O.
- Affiliations
- F. Hoffmann-La Roche AG (CH)
- Corresponding author
- Ghosh, Anirvan
- Freskgård, Per-Ola
- Venue
- Neuron
- Publisher
- Elsevier BV
- Published
- 2014-01
- Volume
- 81
- Issue
- 1
- Pages
- 49-60
- ISSN
- 0896-6273 (ISSN-L)
- OpenAlex
- W2025061302
- Cited by
- 622
- References
- 23
- Citations by year
- 2026: 60 · 2025: 71 · 2024: 59 · 2023: 61 · 2022: 59 · 2021: 48 · 2020: 52 · 2019: 39 · 2018: 40 · 2017: 35 · 2016: 37 · 2015: 35 · 2014: 25
- FWCI
- 22.85
- Type
- journal article
- Language
- en
- Open access
- bronze
- doi.org
- Licence
- Locations
- Neuron (publishedVersion)
- PubMed (publishedVersion)
- Topics
- Life Sciences › Neuroscience › Neurology › Barrier Structure and Function Studies
- Health Sciences › Medicine › Physiology › Alzheimer's disease research and treatments
- Health Sciences › Medicine › Oncology › Drug Transport and Resistance Mechanisms
- Keywords
- blood-brain barrier, brain penetration, therapeutic antibodies, transferrin receptor, bivalent binding, transcytosis, amyloid-beta, Alzheimer's disease, target engagement, brain disorders
- MeSH terms
- Alzheimer Disease, Animals, Blood-Brain Barrier, Brain, Cell Line, Transformed, Disease Models, Animal, Dose-Response Relationship, Drug, Enzyme Inhibitors, Humans, Lysosomes, Mice, Transgenic, Protein Binding, Receptors, Transferrin, Subcellular Fractions, Time Factors, Amyloid beta-Peptides, Amyloid beta-Protein Precursor, Models, Immunological, Macrolides, Protein Transport, Mice, Presenilin-1, Single-Chain Antibodies, Transcytosis
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