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BabyScreen+ newborn screening v0.2014 ITK Zornitza Stark Marked gene: ITK as ready
BabyScreen+ newborn screening v0.2014 ITK Zornitza Stark Gene: itk has been classified as Green List (High Evidence).
BabyScreen+ newborn screening v0.2014 ITK Zornitza Stark Classified gene: ITK as Green List (high evidence)
BabyScreen+ newborn screening v0.2014 ITK Zornitza Stark Gene: itk has been classified as Green List (High Evidence).
BabyScreen+ newborn screening v0.2013 ITK Zornitza Stark gene: ITK was added
gene: ITK was added to Baby Screen+ newborn screening. Sources: Expert list
treatable, immunological tags were added to gene: ITK.
Mode of inheritance for gene: ITK was set to BIALLELIC, autosomal or pseudoautosomal
Phenotypes for gene: ITK were set to Lymphoproliferative syndrome 1, MIM# 613011
Review for gene: ITK was set to GREEN
Added comment: 7 individuals from 5 unrelated families reported homozygous (missense/ nonsense) ITK variants consistent with Lymphoproliferative syndrome phenotype. Triggered by EBV infection.

Two ITK-deficient mouse models demonstrated reduced T cells (CD4+), causing decreased CD4 to CD8 ratio.

Patients displayed early onset of features typically including fever, lymphadenopathy, autoimmune disorders, low immunoglobulins and high EBV viral load.

Fatal without BMT.

Non-genetic confirmatory testing: immunoglobulin levels, T and B Lymphocyte and Natural Killer Cell Profile.
Sources: Expert list