
Anti-Tau (Phospho-Ser422) — Y011270 — is a rabbit polyclonal antibody detecting MAPT/Tau phosphorylated at Ser422 by JNK, CDK5, and GSK3β — a pathological phosphorylation enriched in neurofibrillary tangles and pre-tangle neurons in Alzheimer's disease and related tauopathies. Validated for WB, IHC, IF, and ELISA in human, mouse, and rat. Store at –20 °C.