Each parent of a child with MSUD carries a defective gene for MSUD along with a normal gene. The defective gene is a recessive gene, therefore parents are called "carriers" and are not affected by the disorder. Each child with MSUD has received a defective gene from each parent.

When both parents are carriers, there is a 1 in 4 chance with each pregnancy that the baby will receive a defective gene from each parent and have MSUD; a 2 in 4 chance the baby will receive one defective and one normal gene, thus becoming a carrier of MSUD; and a 1 in 4 chance the baby will receive two normal genes. Persons with two normal genes cannot pass MSUD to their offspring.


In the 2016 survey of the membership of the MSUD Family Support Group, research for improved treatments and potential cure was rated “most important” by 90% of the responding members.

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MSUD Advocacy Update

Healthcare and issues facing the rare disease community have been at the forefront of national conversations over the past 6 months.

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My Trip To Israel

I met Avi, Dikla, and Tamar Starr last year at the MSUD Symposium in Raleigh, NC. Tamar, classic MSUD, was 2 ½ at the time, and they invited me to come to Israel and stay with them for a year.

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From The Editor

Hello to my MSUD family! The power of this family hit home this summer, when Hannah (Classic MSUD age 23 years) and I visited Israel.

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Cambrooke Foods Hosts Local Event

Cambrooke has been doing cooking demonstrations, social meet ups and educational events for patients, their families and the clinician’s that support them for many years.

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As our legislators headed home for their August break, Rare Disease Legislative Advocates got busy.

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A Child's Life

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