Stories about: next generation sequencing

Focused genetic testing approach ends a 32-year diagnostic journey

Claritas-JackieSmith3-croppedSome 7,500 rare disorders are known to be caused by single-gene mutations. Most of these disorders first appear at birth or in childhood, and for about half, the responsible gene has been identified. Yet, on average, families with rare disorders spend 12 years searching before getting a correct diagnosis.

Jackie Smith, a 35-year-old mother of two, searched for 32 years for the cause of her muscular weakness. Her parents knew something was wrong soon after she was born. At first, because her ankles turned in, they thought she was bow-legged.

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