Severe Combined Immunodeficiency (SCID) is an inherited primary immunodeficiency disease (PIDD) that typically presents in infancy. It is characterized by profound immune deficiency condition resulting in a weak immune system that is unable to fight off even mild infections. Severe Combined Immunodeficiency is a rare disorder caused by genetic defects that may affect the function of T cells, B cells and natural killer (NK) cells. ADA-SCID also known as Bubble Boy Syndrome is caused by the deficiency of enzyme adenosine deaminase which is coded by a gene present on chromosome 20.
Adenosine deaminase (ADA) deficiency is a rare inherited disorder that damages the immune s...
