| ID | Type | Location (GRCh37) | Location (GRCh38) | Length | GC content |
|---|---|---|---|---|---|
| hsa_RTN4_0000100 | Exon-Exon | chr2:55199327-55200334 | chr2:54972191-54973198 | 1008 nt | 0.3552 |
| hsa_RTN4_0000200 | Exon-Exon | chr2:55200114-55200269 | chr2:54972978-54973133 | 156 nt | 0.4167 |
| hsa_RTN4_0001200 | Exon-Exon | chr2:55200957-55201900 | chr2:54973821-54974764 | 117 nt | 0.4017 |
| hsa_RTN4_0001700 | Exon-Exon | chr2:55201831-55214834 | chr2:54974695-54987698 | 417 nt | 0.4436 |
| hsa_RTN4_0002300 | Exon-Exon | chr2:55209651-55209769 | chr2:54982515-54982633 | 119 nt | 0.4118 |
| hsa_RTN4_0002400 | Exon-Exon | chr2:55209651-55214834 | chr2:54982515-54987698 | 347 nt | 0.4524 |
| hsa_RTN4_0002500 | Intron-Exon-Intron | chr2:55209651-55214854 | chr2:54982515-54987718 | 367 nt | 0.4360 |
| hsa_RTN4_0003400 | Exon-Exon | chr2:55209651-55252468 | chr2:54982515-55025332 | 250 nt | 0.3160 |
| hsa_RTN4_0002600 | Exon-Exon | chr2:55209651-55255356 | chr2:54982515-55028220 | 2804 nt | 0.3976 |
| hsa_RTN4_0004000 | Exon-Exon | chr2:55214627-55214834 | chr2:54987491-54987698 | 208 nt | 0.4760 |
A study in rats demonstrated that the circRTN4 was identified as a putative heroin-associated biomarker via microarray analysis in the orbitofrontal cortex following heroin self-administration, but subsequent validation by qPCR in male and female rats did not show significant regulation [Floris et al. DOI:10.3390/ijms23031453].