The right bone marrow donor match has been hard to find for one 2-year-old.

Shern-Min Chow, KHOU 6:49 PM. CDT March 20, 2017

The right bone marrow donor match for this 2-year-old has been hard to find. (Photo: KHOU)

HOUSTON - Roman Shen is a happy 2-year-old. You wouldn't know it, but he suffers from Shwachman Diamond Syndrome, or SDS. That means his bone marrow doesn't work properly and doesnt make its own white blood cells.

The right bone marrow donor match has been hard to find.

Mostly because he is mixed race, Chinese-Italian, and they are underrepresented in the bone marrow registry," said Nicole Shen, his mother.

Mixed race people are 4 percent of the bone marrow registry. So for the past 2 years, Romans parents have been actively involved with the registry, launching and participating in Be the Match registration drives.

It takes about 10 minutes. You swab the inside of your cheek. You could save my son's life or someone else's life," Nicole Shen said.

Why is race so important to marrow donation?

You're matching antigens that are produced by your stem cells and those are in many cases matched to ethnicity," saidBe The Match spokeswoman FeliciaGann.

One in 540 registrants will end up being a match. Donors give either with platelets, which are given much like a blood donation or with actual bone marrow, removed from the hip bone via needle. Bone marrow transplants are used to treat over 70 diseases.

The Gulf Coast Regional Blood Center houses the Gulf Coast Marrow Donor Program (GCMDP) and is an accredited donor center for the National Marrow Donor Program (NMDP) which operates the Be The Match Registry. For more information, contact the GCMDP at (713)-791-6697.

To register as a potential marrow donor, you must be 18 to 44 years old and in general good health. Registration takes 10 minutes and involves completing a form and a cheek swab with a Q-tip.

You may register at any of the Gulf Coast Regional Blood Center Locations onlineor arrange for representatives come to you by emailing fgann@giveblood.org.

2017 KHOU-TV

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Family of 2-year-old hopes to find bone marrow donor - KHOU.com