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>> HI, MY NAME IS PETER GRUBER, AND I'M A SURGEON
AND A SCIENTIST AT THE CHILDREN'S HOSPITAL OF PHILADELPHIA.
WE RECENTLY COMPLETED A STUDY IN WHICH WE LOOKED AT COMMON
GENETIC VARIATION IN CHILDREN WITH CONGENITAL HEART DISEASE,
THE MOST COMMON BIRTH ABNORMALITY IN WHICH THE CAUSE
IS UNKNOWN IN THE VAST MAJORITY OF THE CASES.
WE STUDIED OVER 6,000 CHILDREN WITH AND WITHOUT CONGENITAL
HEART DISEASE AND IDENTIFIED A SERIES OF COMMON VARIANTS,
THE SAME DIFFERENCES BETWEEN YOU AND ME THAT UNDERLIE RISK
FOR A NUMBER OF DIFFERENT HEART DISEASES.
THIS IS SIGNIFICANT, BECAUSE FOR THE FIRST TIME,
IT SHOWS THAT A LIMITED NUMBER OF CHANGES CAN GIVE RISE
TO A WIDE VARIETY OF DISEASES AND HELPS TO FORM THE MOLECULAR
BASIS FOR CONGENITAL HEART DISEASE.
IN THE FUTURE WE'D LIKE TO EXPAND THESE STUDIES TO TRY
TO UNDERSTAND ALL THE DIFFERENT WAYS CONGENITAL HEART DISEASE
CAN ARISE AND USE IT TO CREATE A MORE PERSONALIZED APPROACH
FOR KIDS WITH HEART DISEASE.