The ETV1 (ETS-translocation variant 1) gene belongs to the PEA3-subfamily of erythroblast transformation-specific (ETS)-family of transcription factors. It is located on chromosome 7p21.3, consisting of 13 exons and spanning approximately 100 kb DNA in length (Coutte et al., 1999).

ETV1 has 7 Refseq transcripts that are generated by alternative splicing and alternative transcriptional initiation.

No pseudogene reported.

ETV1 belongs to the PEA3-subfamily of erythroblast transformation-specific (ETS)-family of transcription factors. There are 7 protein isoforms of ETV1, ranging from 374 amino acids to 477 amino acids (~55 kD).

The ETV1 protein is physiologically expressed in the central nervous system including the developing propioceptive neurons, the motor neurons and the dopaminergic neurons (Arber et al., 2000; Flames and Hobert, 2009). ETV1 is also expressed in the inner core cells of the Pacinian corpuscle (Sedy et al., 2006) and in the interstitial cells of Cajal (Chen et al., 2007; Chi et al., 2010). Pathologically, the ETV1 protein is aberrantly expressed in a subset of melanoma and prostate cancer through genomic rearrangements (Jané-Valbuena et al., 2010; Tomlins et al., 2005), or abnormally highly expressed in gastrointestinal stromal tumor (GIST) through high endogenous expression and protein stabilization by active MAP kinase signaling (Chi et al., 2010), or partially highly expressed as part of an oncogenic fusion protein-EWSR1-ETV1-in Ewing sarcoma (Jeon et al., 1995).

Nucleus.

ETV1 belongs to the ETS (E-twenty-six) family of transcription factors and the PEA3 subfamily transcription factors (ETV1, ETV4 and ETV5). It specifically recognizes the GGAA core consensus DNA motif in the genome and mediates transcriptional activation and repression of target genes in cell type and cell lineage-specific contexts. ETV1 is critical in the normal development of a functional sensory-motor circuitry in the spinal cord (Arber et al., 2000), the specification of a group of specialized dopaminergic neurons in the central nervous system (Flames and Hobert, 2009), the normal development of the Pacinian corpuscle (Sedy et al., 2006), and the normal development and specification of the subclasses of interstitial cells of Cajal localized in the circular muscle and in the myenteric plexus (Chi et al., 2010). ETV1 contributes to the pathogenesis of a number of cancer types through 1) aberrantly overexpression in melanoma and prostate cancer via genomic rearrangement (Jané-Valbuena et al., 2010; Tomlins et al., 2007; Tomlins et al., 2005), 2) abnormal protein stabilization in GIST (Chi et al., 2010), 3) formation of the oncogenic fusion protein EWSR1-ETV1 in Ewing sarcoma (Jeon et al., 1995).

A member of the ETS-family transcription factor and the PEA3 subfamily transcription factors , with most sequence homology to ETV5 and ETV4.

No validated known mutations.