Nick Norwitz explains how a protein secreted by cancer cells can travel to the brain, activate immune cells to clear amyloid buildup, and improve memory in animal models. A counterintuitive finding that hints at a potential Alzheimer's treatment, though he stresses this is not an argument for getting cancer.
Wow! As a neuroscientist obsessed with preventing Alzheimer's disease, this brand new paper blew my mind. It shows that proteins produced by human cancers can fight Alzheimer's disease. You heard that right. The researchers found that cancers secrete a protein called cystatin C, which travels to the brain and activates microglia, immune cells in the brain that helps them break down and digest, clear out toxic amyloid. And in animals, treatment with cancer-secreted proteins improved learning memory. And what makes this even more remarkable is that this protein is nearly ubiquitous in human cancer patients. Now, this might point towards an entirely new strategy for Alzheimer's therapy, aside from just giving people cancer. You don't want to do that. This is one of those rare moments where science and biology deliver a true plot twist, where two of the most feared diseases of our time, cancer and Alzheimer's, collide in a way that is almost mythic. Ow. Anyway, for the full scientific breakdown, and high-yield interventions you can take today— not getting cancer— to protect your brain for the future, check out the long-form content. It is so cool.
