DC8E8
/ Axon Neurosci
- LARVOL DELTA
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June 01, 2020
Humanized tau antibodies promote tau uptake by human microglia without any increase of inflammation.
(PubMed, Acta Neuropathol Commun)
- "We have previously showed that the mouse antibody DC8E8 discriminates between healthy and pathological tau, reduces tau pathology in murine tauopathy models and inhibits neuronal internalization of AD tau species in vitro.Here we show, that DC8E8 and antibodies elicited against the first-in-man tau vaccine, AADvac1, which is based on the DC8E8 epitope peptide, both promote uptake of pathological tau by mouse primary microglia. This promoting activity requires the presence of the Fc-domain of the antibodies.The IgG1 isotype of AX004 showed greater ability to promote tau uptake compared to the IgG4 isotype, while none of the antibody-tau complexes provoked increased pro-inflammatory activity of microglia. Our data suggest that IgG1 has better suitability for therapeutic development."
Journal • Immunology
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