Unfolded protein chains run the risk of clumping, forming protein aggregates. ???If such aggregates form, the proteins cannot function, which can lead to cell death, which we see in neurodegenerative diseases such as Alzheimer???s and Parkinson???s, and even in ageing processes???, explains Prof. Dr. Bernd Bukau, Director of the Center for Molecular Biology of Heidelberg University (ZMBH), who is