Without this protein, embryonic development halts

Chromosome 22q11 deletion syndrome (also known as DiGeorge syndrome) is the most common human chromosome deletion syndrome, having an estimated incidence of at least one in 4,000 live births. It has a range of severity but a multisystem impact, with symptoms that may include congenital heart defects, immunologic and endocrine abnormalities, cleft palate, gastrointestinal problems, and neuropsychiatric abnormalities...

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