ApoE-neutralizing antibody

ApoE-neutralizing antibody refers to a class of monoclonal antibodies designed to bind and neutralize apolipoprotein E (ApoE). In the context of aging and regenerative medicine, research from Duke University has demonstrated that circulating ApoE levels increase with age and act as a systemic inhibitor of bone healing. Specifically, ApoE binds to the Lrp4 receptor on osteoblasts, which suppresses downstream Wnt/beta-catenin signaling and impairs osteoblast differentiation and activity. Systemic administration of an ApoE-neutralizing antibody (such as the preclinical clone HJ6.3) blocks this inhibitory interaction, restoring Wnt/beta-catenin signaling and significantly improving bone fracture healing and bone deposition in aged animal models. Additionally, anti-ApoE antibodies (such as HAE-4) are being investigated for Alzheimer's disease to clear amyloid-beta plaques and cerebral amyloid angiopathy (CAA) without triggering microhemorrhages.

Other names

ApoE NAbApoE neutralizing antibodyHJ6.3HJ-6.3HJ 6.3anti-ApoE antibodyanti-Apolipoprotein E antibody