ITPR1 gene

inositol 1,4,5-trisphosphate receptor type 1

The information on this page was automatically extracted from online scientific databases.

From NCBI Gene:

This gene encodes an intracellular receptor for inositol 1,4,5-trisphosphate. Upon stimulation by inositol 1,4,5-trisphosphate, this receptor mediates calcium release from the endoplasmic reticulum. Mutations in this gene cause spinocerebellar ataxia type 15, a disease associated with an heterogeneous group of cerebellar disorders. Multiple transcript variants have been identified for this gene. [provided by RefSeq, Nov 2009]

From UniProt:

Intracellular channel that mediates calcium release from the endoplasmic reticulum following stimulation by inositol 1,4,5-trisphosphate (PubMed:27108797). Involved in the regulation of epithelial secretion of electrolytes and fluid through the interaction with AHCYL1 (By similarity). Plays a role in ER stress-induced apoptosis. Cytoplasmic calcium released from the ER triggers apoptosis by the activation of CaM kinase II, eventually leading to the activation of downstream apoptosis pathways.

From NCBI Gene:

  • Spinocerebellar ataxia 15
  • Gillespie syndrome
  • Spinocerebellar ataxia 29

From UniProt:

Gillespie syndrome (GLSP): A rare disease characterized by bilateral iris hypoplasia, congenital hypotonia, non-progressive ataxia, progressive cerebellar atrophy, and mental retardation. [MIM:206700]

Spinocerebellar ataxia 29 (SCA29): An autosomal dominant, congenital spinocerebellar ataxia characterized by early motor delay, hypotonia and mild cognitive delay. Affected individuals develop a very slowly progressive or non-progressive gait and limb ataxia associated with cerebellar atrophy on brain imaging. Additional variable features include nystagmus, dysarthria, and tremor. [MIM:117360]

Spinocerebellar ataxia 15 (SCA15): Spinocerebellar ataxia is a clinically and genetically heterogeneous group of cerebellar disorders. Patients show progressive incoordination of gait and often poor coordination of hands, speech and eye movements, due to degeneration of the cerebellum with variable involvement of the brainstem and spinal cord. SCA15 is an autosomal dominant cerebellar ataxia (ADCA). It is very slow progressing form with a wide range of onset, ranging from childhood to adult. Most patients remain ambulatory. [MIM:606658]

Cytogenetic Location: 3p26.1, which is the short (p) arm of chromosome 3 at position 26.1

Molecular Location: base pairs 4,493,348 to 4,847,840 on chromosome 3 (Homo sapiens Annotation Release 109, GRCh38.p12) (NCBI)

Cytogenetic Location: 3p26.1, which is the short (p) arm of chromosome 3 at position 26.1
  • ACV
  • CLA4
  • INSP3R1
  • IP3R
  • IP3R1
  • PPP1R94
  • SCA15
  • SCA16
  • SCA29