 DUBLIN, Ireland, March 08, 2021 GLOBE NEWSWIRE -- Prothena Corporation plc NASDAQ:PRTA, a late-stage clinical company with expertise in protein dysregulation and a pipeline of investigational therapeutics for rare peripheral amyloid and neurodegenerative diseases, will hold an investor webcast Thursday, March 11, at 4:30 PM ET to review three oral presentations made at The 15th International Conference on Alzheimers and Parkinsons Diseases ADPD 2021. 