TBI – Survivors, Caregivers, Family, and Friends

Repair of Brain Injury in Mice by Transplanted Neurons



Donna O’Donnell Figurski

Newsboy thThis is an incredible finding with strong clinical implications! There already is evidence that transplanted neurons can survive and grow in the brain. The newly introduced neurons can form synapses, and they sometimes improve function by partially compensating for a damaged brain circuit. What was not known was whether the original damage could be repaired. Now scientists have shown in a well-studied mouse model of the brain that transplanted neurons can replace the damaged neurons, make the appropriate connections, and repair the damage.ridkk855t

The research was done in Germany by scientists at the Ludwig-Maximilians University Munich in Planegg, the Max Planck Institute of Neurobiology in Martinsried, the Helmholtz Center Munich, and the German Research Center for Environmental Health in Neuherberg. Neurons in the visual cortex of the adult mouse brain were killed, then immature (embryonic) mouse neurons from the cerebral cortex were transplanted into the damaged area of the adult mouse brain. What the scientists found was remarkable. The transplanted neurons developed into mature cells – the same kind as the killed cells, and the new cells replaced the killed cells to give normal function. The process took several months.th-1

The visual cortex is one of the best studied areas of the mouse brain. The structures and connections of the nerve cells are known. So, the scientists, using sophisticated tools, were able to propose that the transplanted neurons used the same developmental signals that were used by the original cells. The transplanted immature neurons developed the proper structures, targeted the same areas of the brain, and made the same connections throughout the brain as did the original cells. The transplanted cells repaired the damaged circuits and allowed the visual cortex to function normally again.gray-mouse-hi-1

This basic research in mice has astonishing clinical implications for humans. (I wrote before about how the mouse is a good first model for the human.) Lost or damaged neurons can be replaced with incredible precision. That means there may be a future treatment, maybe even a cure, for all kinds of damage to the brain, including that which occurs from acquired and traumatic brain injuries, stroke, and neurodegenerative diseases, like Parkinson’s Disease and Alzheimer’s Disease. (Full story)

(Clip Art compliments of Bing.)

As I say after each post: Please leave a comment by clicking the blue words “Leave a Commentanim0014-1_e0-1 below this post.

Feel free to follow my blog. Click on “Follow” on the upper right sidebar.

If you like my blog, share it (intact) with your friends. It’s easy! Click the “Share” buttons below.

If you don’t like my blog, “Share” it (intact) with your enemies. I don’t care!

Feel free to “Like” my post.


Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out /  Change )

Google+ photo

You are commenting using your Google+ account. Log Out /  Change )

Twitter picture

You are commenting using your Twitter account. Log Out /  Change )

Facebook photo

You are commenting using your Facebook account. Log Out /  Change )

Connecting to %s

This site uses Akismet to reduce spam. Learn how your comment data is processed.

Tag Cloud

Inspirational Leader

From Veteran to Paracyclist

Surviving Traumatic Brain Injury

TBI - Survivors, Caregivers, Family, and Friends

BQB Publishing

Tomorrow's Best Sellers Today

Knit Neutrality

Knit (Verb) | 'nit : to join together

Ten Thousand Days

The long and winding journey after loss

Wordcrafter9's Blog

Just another WordPress.com weblog


It contains the world best places and things.


Discover - Empower - Thrive

Everything and nothing. GM1123 😊

Bienvenue. I’m thinking this is the spot where I am to write a witty, flowery personal section that pulls you in......I got nuthin’

Teresa472002's Blog

Just another WordPress.com site

The Concussion Blog

An Education and Communication Outpost from an Athletic Trainer's Perspective

Howdy Hydrocephalus

Understanding my unique gyroscope


Head Injuries Change Everything

Sheri Lawrence de Grom

From the literary and legislative trenches.

With Grace ALWAYS

...doing my best to live a life of grace...

Mild to Moderate

TBI - Survivors, Caregivers, Family, and Friends

Hope for Trauma

TBI - Survivors, Caregivers, Family, and Friends

Lisabeth Mackall

Finding our way back

My Broken Brain

Putting the pieces back together again after encephalitis

%d bloggers like this: