Just a laymen’s guess, and probably way off the mark, but would this not amount to an engineered virus (invasive clump of proteins) that fights cancer and rebuilds neurons that may have been lost due to Alzheimers? If so I’d wonder what the ramifications would be if or as it mutates.
There have been a zillion such research reports of promising cancer cures that always go nowhere. Look, if you put cancer cells in a petri dish and pour mud on them, the cancer cells will eventually die. So is mud a cancer cure?