Why is prion research significant in the context of neurodegenerative diseases?

• A. It has shown that prions can be used to enhance brain function in healthy individuals.
• B. It has led to the development of vaccines that prevent prion infections.
• C. It has identified genetic mutations that can be targeted to cure prion diseases.
• D. It provides insights into protein misfolding mechanisms, which could lead to therapeutic interventions.

Answer: (D)