Combinatorial Profiles of Oligodendrocyte-Selective Classes of Transcriptional Regulators Differentially Modulate Myelin Basic Protein Gene Expression

作者: Solen Gokhan , Mireya Marin-Husstege , Shau Yu Yung , Darah Fontanez , Patrizia Casaccia-Bonnefil

DOI: 10.1523/JNEUROSCI.1850-05.2005

关键词: Transcription factorGeneticsGene expressionMyelin basic proteinOligodendrocyteTranscriptional regulationSOX10MyelinCell biologyOLIG2Biology

摘要: Recent studies suggest that specific neural basic helix-loop-helix (HLH; i.e., Olig1 and Olig2, Mash1), associated inhibitory HLH (i.e., Id2 Id4), high-mobility group domain Sox10), homeodomain Nkx2.2) transcription factors are involved in oligodendrocyte (OL) lineage specification progressive stages of maturation including myelination. However, the developmental interplay among these lineage-selective determinants, a cell- maturational stage-specific context, has not yet been defined. We show here vivo vitro expression profiles for distinct classes transcriptional regulators OLs. OL characterized by dynamic changes subcellular distribution different permutations combinatorial codes. Transient transfections precise codes with luciferase reporter gene driven myelin protein promoter define how molecular composition complexes modulate expression. Our overall findings between activators orchestrate during terminal mammalian CNS.

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