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ITCH

Synonyms
ADMFD, AIF4, AIP4, NAPP1
External resources
Summary
This gene encodes a member of the Nedd4 family of HECT domain E3 ubiquitin ligases. HECT domain E3 ubiquitin ligases transfer ubiquitin from E2 ubiquitin-conjugating enzymes to protein substrates, thus targeting specific proteins for lysosomal degradation. The encoded protein plays a role in multiple cellular processes including erythroid and lymphoid cell differentiation and the regulation of immune responses. Mutations in this gene are a cause of syndromic multisystem autoimmune disease. Alternatively spliced transcript variants encoding multiple isoforms have been observed for this gene.

Variant counts

Variant classification counts according to ACMG guideline on all identified variants among our tested samples are listed. The variants with over 5% variant frequency in population genome databases ( gnomAD, dbSNP, etc) are excluded.

Pathogenic
7
Likely pathogenic
0
VUS
3,184
Likely benign
3,225
Benign
5

Patient phenotypes

Proportions of phenotypes among 7 patients carring pathogenic or likely pathogenic variants on ITCH gene are displayed below.

Phenotype class
Patients in 3billion (%)
Abnormality of the nervous system
57.1%
Abnormality of head or neck
42.9%
Abnormality of the cardiovascular system
28.6%
Abnormality of the ear
28.6%
Abnormality of the eye
28.6%
Growth abnormality
28.6%
Abnormality of the musculoskeletal system
14.3%
Abnormal cellular phenotype
0%
Abnormality of blood and blood-forming tissues
0%
Abnormality of limbs
0%
Abnormality of metabolism homeostasis
0%
Abnormality of prenatal development or birth
0%
Abnormality of the breast
0%
Abnormality of the digestive system
0%
Abnormality of the endocrine system
0%
Abnormality of the genitourinary system
0%
Abnormality of the immune system
0%
Abnormality of the integument
0%
Abnormality of the respiratory system
0%
Abnormality of the thoracic cavity
0%
Abnormality of the voice
0%
Constitutional symptom
0%
Neoplasm
0%

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