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Pioneering innovative therapies to improve the lives of those with genetic intellectual disabilities

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Cri du Chat

Cri du Chat syndrome

Patients with this rare syndrome are missing a portion of chromosome 5. Discovered by Dr.

Other Genetic Intellectual Disabilities

Genetic intellectual disability can be caused by a number of factors.

Improving Joyful Lives. A new paper on Down syndrome prepared by the Jerome Lejeune Foundation

Down syndrome is a highly complex genetic condition, but it is also a highly complex sociological...

Our Mission

The mission of the Jerome Lejeune Foundation USA is to raise and disburse funds in order to provide research, care, and advocacy to benefit...

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Pioneering innovative therapies to improve the lives of those with genetic intellectual disabilities
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About the Jerome Lejeune Foundation USA

The Jerome Lejeune Foundation (France and the U.S.) was founded in 1996 to carry on the work of the legendary geneticist, Jerome Lejeune. Through its mission of research, care, and advocacy, the Jerome Lejeune Foundation serves those with Down syndrome and other genetic intellectual disabilities in a spirit of profound respect for their inherent human dignity, and that of all human persons.

© 2013 Jerome Lejeune Foundation USA   |   6397 Drexel Road Philadelphia, PA 19151   |   Office: (703) 672-1994 |    Site Design by Floyd & Partners