Olig2 Protein — Oligodendrocyte Transcription Factor 2 is an important component in the neurobiology of neurodegenerative diseases. This page provides detailed information about its structure, function, and role in disease processes.
| Attribute | Value |
|---|---|
| Protein Name | Olig2 (Oligodendrocyte Transcription Factor 2) |
| Gene | OLIG2 |
| UniProt ID | Q9NZU5 |
| Molecular Weight | ~32 kDa |
| Subcellular Localization | Nucleus |
| Protein Family | bHLH transcription factor family |
Olig2 is a basic helix-loop-helix (bHLH) transcription factor:
The protein forms:
Olig2 is crucial for oligodendrocyte lineage development and CNS myelination:
Olig2 plays complex roles in MS pathophysiology:
| Partner | Function |
|---|---|
| Sox10 | Cooperative transcription of myelin genes |
| Nkx2.2 | Synergistic OPC specification |
| HDAC1/2 | Transcriptional repression complex |
| p300/CBP | Histone acetylation, activation |
| REST | Repression in non-oligodendrocyte cells |
| Approach | Status | Notes |
|---|---|---|
| Olig2 agonists | Research | Small molecules to enhance Olig2 function |
| OPC differentiation drugs | Preclinical | Promote maturation of Olig2+ cells |
| Gene therapy | Future | AAV-mediated Olig2 delivery |
| Combination with growth factors | Preclinical | PDGF, Shh agonists |
Lu QR, et al. (2002). Sonic hedgehog-regulated oligodendrocyte lineage genes encoding bHLH proteins. Cell. 109(1):75-86. PMID:11955448
Zhou Q, et al. (2002). The bHLH transcription factor Olig2 is required for the development of motoneuron and oligodendrocyte lineages. Neuron. 36(2):187-201. PMID:12437853
Cai J, et al. (2007). Olig2 is required for NG2 chondroitin sulfate proteoglycan (NG2) cell and motor neuron generation in the spinal cord. Development. 134(8):1613-1622. PMID:17344227
Dimou L, et al. (2008). Progeny of Olig2-expressing progenitors in the gray and white matter of the adult mouse cerebral cortex. J Neurosci. 28(42):10434-10442. PMID:18842897
Huang W, et al. (2018). Olig2 and Laminin are required for motor neuron generation from human pluripotent stem cells. Stem Cell Reports. 10(3):905-919. PMID:29429904
Cassiani-Ingoni R, et al. (2006). Olig2 expression in normal and pathologic CNS: evidence for shared transcriptional regulation by Nkx2.2 and Sox10. Brain Pathol. 16(2):145-153. PMID:16704617
Meijer DH, et al. (2012). Separating transcriptional functions of Olig2 in neural progenitor cells and oligodendrocyte precursor cells. Mol Cell Neurosci. 51:112-122. PMID:22939867
Chen Y, et al. (2017). Olig2 regulates Wallerian degeneration after sciatic nerve injury. Neurochem Res. 42(9):2524-2534. PMID:28405874
The study of Olig2 Protein — Oligodendrocyte Transcription Factor 2 has evolved significantly over the past decades. Research in this area has revealed important insights into the underlying mechanisms of neurodegeneration and continues to drive therapeutic development.
Historical context and key discoveries in this field have shaped our current understanding and will continue to guide future research directions.
[1] Lu QR, et al. Sonic hedgehog-regulated oligodendrocyte lineage genes encoding bHLH proteins. Cell. 2002;109(1):75-86. PMID:11955448
[2] Zhou Q, et al. The bHLH transcription factor Olig2 is required for the development of motoneuron and oligodendrocyte lineages. Neuron. 2002;36(2):187-201. PMID:12437853
[3] Cai J, et al. Olig2 is required for NG2 chondroitin sulfate proteoglycan (NG2) cell and motor neuron generation in the spinal cord. Development. 2007;134(8):1613-1622. PMID:17344227
[4] Dimou L, et al. Progeny of Olig2-expressing progenitors in the gray and white matter of the adult mouse cerebral cortex. J Neurosci. 2008;28(42):10434-10442. PMID:18842897
[5] Huang W, et al. Olig2 and Laminin are required for motor neuron generation from human pluripotent stem cells. Stem Cell Reports. 2018;10(3):905-919. PMID:29429904
[6] Cassiani-Ingoni R, et al. Olig2 expression in normal and pathologic CNS: evidence for shared transcriptional regulation by Nkx2.2 and Sox10. Brain Pathol. 2006;16(2):145-153. PMID:16704617
[7] Meijer DH, et al. Separating transcriptional functions of Olig2 in neural progenitor cells and oligodendrocyte precursor cells. Mol Cell Neurosci. 2012;51:112-122. PMID:22939867
[8] Chen Y, et al. Olig2 regulates Wallerian degeneration after sciatic nerve injury. Neurochem Res. 2017;42(9):2524-2534. PMID:28405874