
the genetic cause and now the diagnosis is usually based on the
results of microarray analysis which can be performed on a blood
sample; and
WHEREAS, In 2007, the connection to the 18th chromosome was
established when the TCF4 transcription factor located on
chromosome 18 was discovered to play an essential role in the
development of the nervous system and the brain, and any
functional deficiency in development affects how a child
develops over time; and
WHEREAS, Approximately 500 people worldwide have been
diagnosed with Pitt Hopkins syndrome, however, given the fact
that the discovery of the gene happened just seven years ago,
there are likely many others out there that remain undiagnosed;
and
WHEREAS, Pitt Hopkins syndrome occurs in both males and
females and is not limited to a specific ethnic background; and
WHEREAS, This condition is inherited in an autosomal dominant
pattern, meaning one copy of the altered gene in each cell is
sufficient to cause the disorder, but most cases result from new
mutations in the gene and occur in people with no history of the
disorder in their family; and
WHEREAS, Given its rarity, online support groups play a
pivotal role for individuals, families and their loved ones to
connect with each other and increase awareness; and
WHEREAS, The Pitt Hopkins Research Foundation celebrates
September 18, 2015, as the third annual International Pitt
Hopkins Syndrome Day to raise awareness and funding for Pitt
Hopkins research; and
WHEREAS, This date was chosen to bring attention to the fact
that it is a disorder caused by a spontaneous mutation on the
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