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DOCK8

Chr 9p24.3

dedicator of cytokinesis 8

Aliases:
FLJ00026, FLJ00152, ZIR8, FLJ00346
MANE:
ENST00000432829.7

Annotations refreshed 1 month ago.

Predicted protein structure

Clinical relevance (Genomics England PanelApp)

Diagnostic Grade (Green)

  • COVID-19 research

    BIALLELIC, autosomal or pseudoautosomal
  • DDG2P

    BIALLELIC, autosomal or pseudoautosomal
  • Gastrointestinal epithelial barrier disorders

    BIALLELIC, autosomal or pseudoautosomal
  • Haematological malignancies cancer susceptibility

    BIALLELIC, autosomal or pseudoautosomal
  • Haematological malignancies for rare disease

    BIALLELIC, autosomal or pseudoautosomal
  • Infantile enterocolitis & monogenic inflammatory bowel disease

    BIALLELIC, autosomal or pseudoautosomal
  • Primary immunodeficiency or monogenic inflammatory bowel disease

    BIALLELIC, autosomal or pseudoautosomal
  • Rare genetic inflammatory skin disorders

    BIALLELIC, autosomal or pseudoautosomal

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Disease associations (Open Targets)

  • combined immunodeficiency due to DOCK8 deficiency

    0.81
  • Autosomal recessive hyper-IgE syndrome

    0.71
  • hyper-IgE syndrome

    0.64
  • severe combined immunodeficiency

    0.59
  • intellectual disability, autosomal dominant 2

    0.52
  • squamous cell carcinoma

    0.47
  • combined immunodeficiency

    0.47
  • lymphoma

    0.46
  • hereditary disease

    0.42
  • immunodeficiency disease

    0.41

Score is the Open Targets composite evidence score (0-1). Higher = stronger gene-disease association.

Protein function (UniProt)

Dedicator of cytokinesis protein 8

Guanine nucleotide exchange factor (GEF) which specifically activates small GTPase CDC42 by exchanging bound GDP for free GTP (PubMed:22461490, PubMed:28028151). During immune responses, required for interstitial dendritic cell (DC) migration by locally activating CDC42 at the leading edge membrane of DC (By similarity). Required for CD4(+) T-cell migration in response to chemokine stimulation by promoting CDC42 activation at T cell leading edge membrane (PubMed:28028151). Is involved in NK cell cytotoxicity by controlling polarization of microtubule-organizing center (MTOC), and possibly regulating CCDC88B-mediated lytic granule transport to MTOC during cell killing (PubMed:25762780)

Data sources: HGNC (CC BY 4.0), AlphaFold (CC BY 4.0, Jumper et al. Nature 2021), Genomics England PanelApp (CC BY 4.0), ClinGen, Open Targets (CC0), UniProt.

Not for sole clinical decision-making. Always verify against primary sources.