Wnts enhance neurotrophin-induced neuronal differentiation in adult bone-marrow-derived mesenchymal stem cells via canonical and noncanonical signaling pathways

Hung Li Tsai, Win Ping Deng, Wen-Fu Thomas Lai, Wen Ta Chiu, Charn Bing Yang, Yu Hui Tsai, Shiaw Min Hwang, Perry Franklin Renshaw

Research output: Contribution to journalArticle

16 Citations (Scopus)

Abstract

Wnts were previously shown to regulate the neurogenesis of neural stem or progenitor cells. Here, we explored the underlying molecular mechanisms through which Wnt signaling regulates neurotrophins (NTs) in the NT-induced neuronal differentiation of human mesenchymal stem cells (hMSCs). NTs can increase the expression of Wnt1 and Wnt7a in hMSCs. However, only Wnt7a enables the expression of synapsin-1, a synaptic marker in mature neurons, to be induced and triggers the formation of cholinergic and dopaminergic neurons. Human recombinant (hr)Wnt7a and general neuron makers were positively correlated in a dose- and time-dependent manner. In addition, the expression of synaptic markers and neurites was induced by Wnt7a and lithium, a glycogen synthase kinase-3β inhibitor, in the NT-induced hMSCs via the canonical/β- catenin pathway, but was inhibited by Wnt inhibitors and frizzled-5 (Frz5) blocking antibodies. In addition, hrWnt7a triggered the formation of cholinergic and dopaminergic neurons via the non-canonical/c-jun N-terminal kinase (JNK) pathway, and the formation of these neurons was inhibited by a JNK inhibitor and Frz9 blocking antibodies. In conclusion, hrWnt7a enhances the synthesis of synapse and facilitates neuronal differentiation in hMSCS through various Frz receptors. These mechanisms may be employed widely in the transdifferentiation of other adult stem cells.

Original languageEnglish
Article numbere104937
JournalPLoS One
Volume9
Issue number8
DOIs
Publication statusPublished - Aug 29 2014

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neurotrophins
Nerve Growth Factors
Stem cells
Mesenchymal Stromal Cells
bone marrow
Neurons
stem cells
Bone
neurons
Bone Marrow
Cholinergic Neurons
Blocking Antibodies
Dopaminergic Neurons
cholinergic agents
Cholinergic Agents
Synapsins
Glycogen Synthase Kinase 3
Catenins
Adult Stem Cells
Neural Stem Cells

ASJC Scopus subject areas

  • Agricultural and Biological Sciences(all)
  • Biochemistry, Genetics and Molecular Biology(all)
  • Medicine(all)

Cite this

Wnts enhance neurotrophin-induced neuronal differentiation in adult bone-marrow-derived mesenchymal stem cells via canonical and noncanonical signaling pathways. / Tsai, Hung Li; Deng, Win Ping; Lai, Wen-Fu Thomas; Chiu, Wen Ta; Yang, Charn Bing; Tsai, Yu Hui; Hwang, Shiaw Min; Renshaw, Perry Franklin.

In: PLoS One, Vol. 9, No. 8, e104937, 29.08.2014.

Research output: Contribution to journalArticle

Tsai, Hung Li ; Deng, Win Ping ; Lai, Wen-Fu Thomas ; Chiu, Wen Ta ; Yang, Charn Bing ; Tsai, Yu Hui ; Hwang, Shiaw Min ; Renshaw, Perry Franklin. / Wnts enhance neurotrophin-induced neuronal differentiation in adult bone-marrow-derived mesenchymal stem cells via canonical and noncanonical signaling pathways. In: PLoS One. 2014 ; Vol. 9, No. 8.
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