Agrin-Lrp4-Ror2 signaling regulates adult hippocampal neurogenesis in mice

Hongsheng Zhang, Anupama Sathyamurthy, Fang Liu, Lei Li, Lei Zhang, Zhaoqi Dong, Wanpeng Cui, Xiangdong Sun, Kai Zhao, Hongsheng Wang, Hsin-Yi Henry Ho, Wen Cheng Xiong, Lin Mei

Research output: Contribution to journalArticle

Abstract

Adult neurogenesis in the hippocampus may represent a form of plasticity in brain functions including mood, learning and memory. However, mechanisms underlying neural stem/progenitor cells (NSPCs) proliferation are not well understood. We found that Agrin, a factor critical for neuromuscular junction formation, is elevated in the hippocampus of mice that are stimulated by enriched environment (EE). Genetic deletion of the Agrn gene in excitatory neurons decreases NSPCs proliferation and increases depressive-like behavior. Low-density lipoprotein receptor-related protein 4 (Lrp4), a receptor for Agrin, is expressed in hippocampal NSPCs and its mutation blocked basal as well as EE-induced NSPCs proliferation and maturation of newborn neurons. Finally, we show that Lrp4 interacts with and activates receptor tyrosine kinase-like orphan receptor 2 (Ror2); and Ror2 mutation impairs NSPCs proliferation. Together, these observations identify a role of Agrin-Lrp4-Ror2 signaling for adult neurogenesis, uncovering previously unexpected functions of Agrin and Lrp4 in the brain.

Original languageEnglish (US)
JournaleLife
Volume8
DOIs
StatePublished - Jul 3 2019

Fingerprint

Agrin
Lipoprotein Receptors
Neural Stem Cells
Neurogenesis
Stem cells
Cell proliferation
Stem Cells
Cell Proliferation
Proteins
Receptor Tyrosine Kinase-like Orphan Receptors
Neurons
Hippocampus
Brain
LDL-Receptor Related Proteins
Mutation
Neuromuscular Junction
LDL Receptors
Gene Deletion
Plasticity
Genes

Keywords

  • adult neurogenesis
  • depressive-like behavior
  • enriched environment
  • mouse
  • neuroscience

ASJC Scopus subject areas

  • Neuroscience(all)
  • Biochemistry, Genetics and Molecular Biology(all)
  • Immunology and Microbiology(all)

Cite this

Zhang, H., Sathyamurthy, A., Liu, F., Li, L., Zhang, L., Dong, Z., ... Mei, L. (2019). Agrin-Lrp4-Ror2 signaling regulates adult hippocampal neurogenesis in mice. eLife, 8. https://doi.org/10.7554/eLife.45303

Agrin-Lrp4-Ror2 signaling regulates adult hippocampal neurogenesis in mice. / Zhang, Hongsheng; Sathyamurthy, Anupama; Liu, Fang; Li, Lei; Zhang, Lei; Dong, Zhaoqi; Cui, Wanpeng; Sun, Xiangdong; Zhao, Kai; Wang, Hongsheng; Ho, Hsin-Yi Henry; Xiong, Wen Cheng; Mei, Lin.

In: eLife, Vol. 8, 03.07.2019.

Research output: Contribution to journalArticle

Zhang, H, Sathyamurthy, A, Liu, F, Li, L, Zhang, L, Dong, Z, Cui, W, Sun, X, Zhao, K, Wang, H, Ho, H-YH, Xiong, WC & Mei, L 2019, 'Agrin-Lrp4-Ror2 signaling regulates adult hippocampal neurogenesis in mice', eLife, vol. 8. https://doi.org/10.7554/eLife.45303
Zhang H, Sathyamurthy A, Liu F, Li L, Zhang L, Dong Z et al. Agrin-Lrp4-Ror2 signaling regulates adult hippocampal neurogenesis in mice. eLife. 2019 Jul 3;8. https://doi.org/10.7554/eLife.45303
Zhang, Hongsheng ; Sathyamurthy, Anupama ; Liu, Fang ; Li, Lei ; Zhang, Lei ; Dong, Zhaoqi ; Cui, Wanpeng ; Sun, Xiangdong ; Zhao, Kai ; Wang, Hongsheng ; Ho, Hsin-Yi Henry ; Xiong, Wen Cheng ; Mei, Lin. / Agrin-Lrp4-Ror2 signaling regulates adult hippocampal neurogenesis in mice. In: eLife. 2019 ; Vol. 8.
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