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TRIO

Chr 5p15.2

trio Rho guanine nucleotide exchange factor

Aliases:
ARHGEF23
MANE:
ENST00000344204.9

Annotations refreshed 9 hours ago.

Predicted protein structure

Clinical relevance (Genomics England PanelApp)

Diagnostic Grade (Green)

  • DDG2P

    MONOALLELIC, autosomal or pseudoautosomal, imprinted status unknown
  • Fetal anomalies

    MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
  • Intellectual disability

    MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
  • Severe microcephaly

    MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted

Disease associations (Open Targets)

  • intellectual developmental disorder, autosomal dominant 63, with macrocephaly

    0.78
  • micrognathia-recurrent infections-behavioral abnormalities-mild intellectual disability syndrome

    0.76
  • hereditary disease

    0.55
  • Intellectual disability

    0.52
  • syndromic intellectual disability

    0.50
  • neurodegenerative disease

    0.42
  • hearing loss, autosomal recessive

    0.35
  • Tip-toe gait

    0.34
  • idiopathic pulmonary fibrosis

    0.31
  • Hypercholesterolemia

    0.30

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

Protein function (UniProt)

Triple functional domain protein

Guanine nucleotide exchange factor (GEF) for RHOA and RAC1 GTPases (PubMed:22155786, PubMed:27418539, PubMed:8643598). Involved in coordinating actin remodeling, which is necessary for cell migration and growth (PubMed:10341202, PubMed:22155786). Plays a key role in the regulation of neurite outgrowth and lamellipodia formation (PubMed:32109419). In developing hippocampal neurons, limits dendrite formation, without affecting the establishment of axon polarity. Once dendrites are formed, involved in the control of synaptic function by regulating the endocytosis of AMPA-selective glutamate receptors (AMPARs) at CA1 excitatory synapses (By similarity). May act as a regulator of adipogenesis (By similarity)

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.