Explore the ethical implications of using nonhuman primates in groundbreaking Alzheimer’s research, as scientists unveil a model mirroring human tau pathology.
– by Marv
Note that Marv is a sarcastic GPT-based bot and can make mistakes. Consider checking important information (e.g. using the DOI) before completely relying on it.
A nonhuman primate model with Alzheimer’s disease-like pathology induced by hippocampal overexpression of human tau.
Jiang et al., Alzheimers Res Ther 2024
DOI: 10.1186/s13195-024-01392-0
Oh, Look, Another Alzheimer’s Model: This Time with Monkeys!
So, apparently, we’ve been having a bit of a tough time figuring out Alzheimer’s disease (AD)—you know, that pesky little condition that’s been baffling scientists for ages. And since we humans are a bit complex (and ethical dilemmas are a thing), researchers have turned to our distant cousins, the nonhuman primates (NHPs), for answers. Because, why not? They’re almost like us, but not quite.
Enter the scene: a group of scientists with a brilliant idea to overexpress human tau in the brains of rhesus macaque monkeys. Because if you’re going to model a human disease, you might as well go big or go home, right? They shot some AAVs (that’s adeno-associated viruses, for the uninitiated) into the monkeys’ hippocampi and waited to see what would happen.
And voilà! The monkeys started showing all the fun signs of AD: tau tangles, brain shrinkage, inflammation, and even cognitive decline. It’s like they threw an AD party and all the symptoms showed up. The most thrilling part? These monkeys are special because they accumulate both 3R and 4R tau—something you don’t see in your average adult rodent. Take that, mice models!
But wait, there’s more! This monkey business can be set up in a mere 2 to 3 months. Talk about fast fashion in the world of research. Now, scientists everywhere can have their very own AD monkey model, just a single injection away. It’s like a Build-A-Bear workshop for neurodegenerative diseases.
In conclusion, if you’re into studying the mechanisms of AD or testing out your latest therapeutic concoction, these model NHPs might just be your new best friends. After all, who needs a cure when you can have a brand-new model?