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scFv-h3D6 is a single-chain antibody fragment targeting the amyloid-β (Aβ) peptide, derived from the full-length antibody bapineuzumab. Designed by researchers at Universitat Autònoma de Barcelona (UAB), it lacks the Fc region to avoid recruiting systemic immune cells into the brain. Preclinical studies in the APP23 mouse model of Alzheimer's disease demonstrate that scFv-h3D6 avoids the cerebral haemorrhagic events caused by bapineuzumab while maintaining therapeutic efficacy.
scFv-h3D6 is a single-chain antibody fragment targeting the amyloid-β (Aβ) peptide, derived from the full-length antibody bapineuzumab. Designed by researchers at Universitat Autònoma de Barcelona (UAB), it lacks the Fc region to avoid recruiting systemic immune cells into the brain. Preclinical studies in the APP23 mouse model of Alzheimer's disease demonstrate that scFv-h3D6 avoids the cerebral haemorrhagic events caused by bapineuzumab while maintaining therapeutic efficacy.
scFv-h3D6 targets the amyloid-β (Aβ) peptide that accumulates in the brain of Alzheimer's disease patients. As a single-chain antibody fragment lacking the Fc region, it clears Aβ aggregates without recruiting systemic immune cells into the brain, thereby avoiding disruption of the blood-brain barrier and the associated cerebral haemorrhages that occur with full-length anti-Aβ antibodies.
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