IL3RA and Lewy body dementia: Here, we identified elevated IL‐3Rα and phosphorylated α‐synuclein at serine 129, which is identified as a pathological hallmark in Lewy body disease,[15] in the SN and striatum of transgenic A53T PD mice and the AAV‐hα‐Syn‐injected PD mouse model (Figure1A–C).