Scientists find how immune cells contribute to Alzheimer’s disease

Credit: Unsplash+

Groundbreaking Research at Massachusetts General Hospital

Scientists at Massachusetts General Hospital (MGH) have made an exciting discovery that could pave the way for new treatments for Alzheimer’s disease.

Using a newly developed 3D model, they’ve found how certain immune cells called T cells can worsen Alzheimer’s symptoms.

This is a big deal because understanding this could lead to ways to slow down or even stop the damage Alzheimer’s causes to the brain.

Alzheimer’s disease is well-known for causing memory loss and confusion. This happens because nerve cells in the brain start to die.

These cells die in part because of two key features of the disease: clumps of protein called amyloid beta and twisted fibers known as tau tangles. Both of these features can cause swelling and damage in the brain.

A Peek Inside the Brain with a New 3D Model

Until now, studying how immune cells from outside the brain affect Alzheimer’s has been a challenge. But the MGH team has built a 3D model that mimics what happens inside the brain, which has helped them take a closer look.

This model is made from stem cells that turn into various types of brain cells. It’s so realistic that it can mimic the formation of those harmful protein clumps and twisted fibers that we see in Alzheimer’s patients.

The team’s work was recently published in a leading scientific journal, Nature Neuroscience. According to Mehdi Jorfi, one of the lead authors, this 3D model allows them to see how immune cells interact with brain cells in real time.

The Role of T Cells and Potential New Treatments

What’s really important is what the team found when they looked at this interaction between immune cells and brain cells.

They discovered that a specific type of immune cell, called CT8+ T Cells, rushes into the brain when Alzheimer’s starts causing trouble. Once there, these cells make the brain’s condition even worse.

They also found that blocking a certain chemical signal could stop these T cells from getting into the brain in the first place.

This could be huge because it means there might be a way to treat Alzheimer’s that focuses on these immune cells instead of just trying to fix what’s happening inside the brain.

As Rudolph Tanzi, the senior author of the study, put it, this could be a game-changer.

This research could help create new drugs that are easier to deliver to patients since getting medicines into the brain has always been a big challenge.

What’s Next?

This research has opened up new doors for treating Alzheimer’s. Researchers now want to find more ways to block these harmful immune cells and reduce the damage they cause.

By continuing to use this 3D model, the scientists hope to find even more treatment options, making a real difference in the lives of people suffering from this devastating disease.

If you care about Alzheimer’s, please read studies about Vitamin D deficiency linked to Alzheimer’s, vascular dementia, and Oral cannabis extract may help reduce Alzheimer’s symptoms.

For more information about brain health, please read studies about Vitamin D deficiency linked to Alzheimer’s, vascular dementia, and Oral cannabis extract may help reduce Alzheimer’s symptoms.

The study was published in Nature Neuroscience.

Follow us on Twitter for more articles about this topic.

Copyright © 2023 Knowridge Science Report. All rights reserved.