| 5-HT | 5-hydroxytryptamine |
| ATRX | Alpha-thalassemia/mental retardation syndrome X-linked protein |
| ATRXt | Truncated ATRX |
| c-fos | c-FBJ osteosarcoma oncogene |
| c-kit | c-KIT proto-oncogene receptor tyrosine kinase |
| ChIP | Chromatin immunoprecipitation |
| ChRO1 | Chromatin reorganization 1 |
| CSK | Cytoskeletal |
| DAPI | 4′,6-diamidino-2-phenylindole |
| EGS | Ethylene glycol bis(succinimidyl succinate) |
| FISH | Fluorescence In Situ Hybridization |
| FL-ATRX | Full-length ATRX |
| GABA | γ-aminobutyric acid |
| Gapdh | Glyceraldehyde 3 phosphate dehydrogenase |
| GFAP | Glial fibrillary acidic protein |
| H3K9me3 | Trimethylated H3-Lys9 |
| H4K20me4 | Trimethylated H4-Lys20 |
| HDAC1 | Histone deacetylase 1 |
| HP1 | Heterochromatin protein 1 |
| ko | Knockout |
| LNA | Locked nucleic acids |
| MajSat | Major satellite |
| MajSat-fw | Major satellite forward |
| MeCP2 | Methyl-CpG binding protein 2 |
| mESC | Murine embryonic stem cell |
| Mxd4 | Max dimerization protein 4 |
| ncRNAs | Non-coding RNAs |
| NGS | Normal goat serum |
| PCH | Pericentric heterochromatin |
| PHD | Plant homeodomain |
| PRC2 | Polycomb-repressive complex 2 |
| qPCR | Quantitative PCR |
| RT-qPCR | qPCR after reverse transcription |
| RTT | Rett syndrome |
| SDK | Suv3(9)h1 and h2 double knock-out |
| Sin3A | Switch-independent 3A |
| SNF2 | Sucrose Non-Fermentable 2 |
| SUMO | Small ubiquitin-like modifier |
| Suv39H1-H2 | Suppressor of variegation 3-9 homolog 1-2 |
| SWI/SNF | SWItch/Sucrose Non-Fermentable |
| TH | Tyrosine hydroxylase |
| TSS | Transcriptional start site |
| VRC | Vanadyl ribonucleoside complex |
| WT | Wild-type |
| Xist | X-inactive specific transcript |