DALLAS How far would you go to save your child from a rare genetic disease with no known cure and no real option for treatment?
I have three kids and Id go to the end of the earth for them, said Stephen Grey, associate professor of pediatrics at UT Southwestern Medical Center.
Our tour of Grey's lab was the first, and likely only, time outsiders will ever be given access.
Nobody will be allowed in here without being qualified or gowned up appropriately, he explained. Its a sealed HEPA filter facility.
Inside the facility on the UT Southwestern campus, Grey will manufacture a virus that will be injected into children.
Stephen Grey's lab is on the campus of UT Southwestern Medical Center.
Teresa Woodard
The virus doesnt replicate or spread or cause any sort of infection.
It has one specific purpose: to deliver missing DNA, in the hopes of treating rare diseases caused by DNAs absence.
Grey calls it a molecular mail truck.
The simplest way I can explain what we do is children are born, they have a defect where theyre missing a gene, and we put it back, he explained.
Literally hundreds of trillions of virus particles carry the DNA and will go across a nervous system to bring the DNA into the cells where its missing and then it permanently fixes things, he said. Then, its really treating the disease at the root of everything thats wrong.
One disease Grey will tackle in his lab is often described as ALS, or Lou Gehrig's Disease, in children.
Theyre going to lose control of their legs, lose control of arms, and basically move to being essentially in a quadriplegic state, Grey described. Its ultimately fatal by the second or third decade of life.
Its called CMT4J and Talia Duff, 13, of Boston, is currently battlingthe disease.
She learned to walk and dance as a little girl. She was growing and gaining independence, but that progression stopped a few years ago.
Instead of gaining strength with age, Talia started to lose it. She is now in a wheelchair.
Kinley Kitchens, 14, lives in North Texas.
Her CMT4J is not as far along as Talia's, but each day is a battle.
You have very bad balance and a lack of coordination, she said, "so I fall a lot.
Her family worries about the future.
The progression is just the unknown, said Kinleys mother, Sabrina. You just dont know when its going to progress.
Only 30 kids in the world have CMT4J.
Recently, on the campus of UT Southwestern, two of them - Talia and Kinley and their families, came face to face for the first time.
It just makes you feel not so alone, said Jocelyn Duff, Talias mother, And I think its pretty special for both Talia and Kinley for that same reason.
Our researchers are often asked why we should care about a disease thats so rare, Jocelyn said.
Its really those rare diseases that are the guinea pigs for more common diseases. So these clinical trials are critically important for teasing apart what gene therapies might work for what diseases.
Because theyve been given such a grim prognosis and because no treatment currently exists these parents are willing to take great risks that could return remarkable results.
If we can do this for these rare diseases, then we can move on and expand the treatment to things like Alzheimers, autism, schizophrenia, epilepsy things that are very common, Grey said.
Grey doesn't aim to cure diseases, he said. His goal is to stop a disease's progression.
Cure is a four-letter word for me because it sets some expectations, but I think were looking at a comprehensive treatment for some really devastating diseases, he said.
Sure, the science is cool. Im a scientist. I love the curiosity and the problem solving but seeing what the families go through theyll never quit and they feel like my kids.
Grey hopes to begin clinical trials on about eight different rare diseases in early 2020. He hopes to have about a half dozen kids in each trial.
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