Dual regulatory switch through interactions of Tcf7l2/Tcf4 with stage-specific partners propels oligodendroglial maturation

Chuntao Zhao, Yaqi Deng, Lei Liu, Kun Yu, Liguo Zhang, Haibo Wang, Xuelian He, Jincheng Wang, Changqing Lu, Laiman N. Wu, Qinjie Weng, Meng Mao, Jianrong Li, Johan H. Van Es, Mei Xin, Lee Parry, Steven A. Goldman, Hans Clevers, Q. Richard Lu

Research output: Contribution to journalArticle

45 Citations (Scopus)

Abstract

Constitutive activation of Wnt/β-catenin inhibits oligodendrocyte myelination. Tcf7l2/Tcf4, a β-catenin transcriptional partner, is required for oligodendrocyte differentiation. How Tcf7l2 modifies β-catenin signalling and controls myelination remains elusive. Here we define a stage-specific Tcf7l2-regulated transcriptional circuitry in initiating and sustaining oligodendrocyte differentiation. Multistage genome occupancy analyses reveal that Tcf7l2 serially cooperates with distinct co-regulators to control oligodendrocyte lineage progression. At the differentiation onset, Tcf7l2 interacts with a transcriptional co-repressor Kaiso/Zbtb33 to block β-catenin signalling. During oligodendrocyte maturation, Tcf7l2 recruits and cooperates with Sox10 to promote myelination. In that context, Tcf7l2 directly activates cholesterol biosynthesis genes and cholesterol supplementation partially rescues oligodendrocyte differentiation defects in Tcf712 mutants. Together, we identify stage-specific co-regulators Kaiso and Sox10 that sequentially interact with Tcf7l2 to coordinate the switch at the transitions of differentiation initiation and maturation during oligodendrocyte development, and point to a previously unrecognized role of Tcf7l2 in control of cholesterol biosynthesis for CNS myelinogenesis.

Original languageEnglish (US)
Article number10883
JournalNature Communications
Volume7
DOIs
StatePublished - Mar 9 2016

Fingerprint

Catenins
Oligodendroglia
switches
Switches
cholesterol
Biosynthesis
Cholesterol
biosynthesis
regulators
Genes
interactions
Co-Repressor Proteins
genome
sustaining
progressions
genes
Chemical activation
Defects
activation
defects

ASJC Scopus subject areas

  • Biochemistry, Genetics and Molecular Biology(all)
  • Chemistry(all)
  • Physics and Astronomy(all)

Cite this

Dual regulatory switch through interactions of Tcf7l2/Tcf4 with stage-specific partners propels oligodendroglial maturation. / Zhao, Chuntao; Deng, Yaqi; Liu, Lei; Yu, Kun; Zhang, Liguo; Wang, Haibo; He, Xuelian; Wang, Jincheng; Lu, Changqing; Wu, Laiman N.; Weng, Qinjie; Mao, Meng; Li, Jianrong; Van Es, Johan H.; Xin, Mei; Parry, Lee; Goldman, Steven A.; Clevers, Hans; Lu, Q. Richard.

In: Nature Communications, Vol. 7, 10883, 09.03.2016.

Research output: Contribution to journalArticle

Zhao, C, Deng, Y, Liu, L, Yu, K, Zhang, L, Wang, H, He, X, Wang, J, Lu, C, Wu, LN, Weng, Q, Mao, M, Li, J, Van Es, JH, Xin, M, Parry, L, Goldman, SA, Clevers, H & Lu, QR 2016, 'Dual regulatory switch through interactions of Tcf7l2/Tcf4 with stage-specific partners propels oligodendroglial maturation', Nature Communications, vol. 7, 10883. https://doi.org/10.1038/ncomms10883
Zhao, Chuntao ; Deng, Yaqi ; Liu, Lei ; Yu, Kun ; Zhang, Liguo ; Wang, Haibo ; He, Xuelian ; Wang, Jincheng ; Lu, Changqing ; Wu, Laiman N. ; Weng, Qinjie ; Mao, Meng ; Li, Jianrong ; Van Es, Johan H. ; Xin, Mei ; Parry, Lee ; Goldman, Steven A. ; Clevers, Hans ; Lu, Q. Richard. / Dual regulatory switch through interactions of Tcf7l2/Tcf4 with stage-specific partners propels oligodendroglial maturation. In: Nature Communications. 2016 ; Vol. 7.
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