Transcriptional control in myelinating glia is often described in terms of a handful of trans-acting proteins with preferential expression in these cells. An equally valid approach is the identification of cis-acting elements in genes, which are specifically transcribed in myelinating glia. Regulato
Transcriptional control in myelinating glia: The basic recipe
β Scribed by Michael Wegner
- Book ID
- 101263992
- Publisher
- John Wiley and Sons
- Year
- 2000
- Tongue
- English
- Weight
- 107 KB
- Volume
- 29
- Category
- Article
- ISSN
- 0894-1491
No coin nor oath required. For personal study only.
β¦ Synopsis
Development of myelinating glia and the myelination process both require dramatic changes in the pattern of gene expression. During these processes, cells of the oligodendrocyte and Schwann cell lineages have to alter the transcription rates of numerous genes in a highly coordinated manner. This is made possible by the combined action of a set of transcription factors with preferential expression in these cells. Recent years have seen the identification of such glial transcription factors, including several homeodomain proteins, zinc finger proteins and HMG-domain proteins. Understanding their mode of action will help to unravel the molecular basis of myelination and will provide insights into the causes of myelinopathies and related diseases.
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## Abstract Myelin basic protein (MBP), which helps form compact myelin sheets, is a major protein expressed during oligodendrocyte (OL) differentiation. Myelin basic protein expression is regulated mainly at the transcriptional level. Previous studies showed that the transcription factor Sp1 can a