Alpha-synuclein and neuromelanin converge to promote Parkinsons disease pathology
Alba Nicolau, Marta González-Sepúlveda, Joana M. Cladera-Sastre, Thais Cuadros, Annabelle Parent, Gerard Roch, Jacopo Marongiu, Benjamin Huynh, Anahid Ansari Mahabadian, Feifei Su, Zac Chatterton, Javier Hoyo, Ariadna Laguna, YuHong Fu, Glenda Margaret Halliday, Miquel Vila
This study identifies a bidirectional pathogenic relationship between alpha-synuclein and neuromelanin in Parkinson's disease, showing they promote each other's accumulation and neuronal loss.
bioRxiv · Oct 24, 2026 · PreprintNeuroscience