The microRNA cluster miR-106b~25 regulates adult neural stem/progenitor cell proliferation and neuronal differentiation
2011
MicroRNA and Age-Related Neural Stem Cell Function
Commentary
Author Information
Author(s): Khan Muhammad Amir, Lie Dieter
Primary Institution: Institute of Developmental Genetics, Helmholtz Zentrum München
Hypothesis
Is microRNA a contributor to age-associated neural stem cell dysfunction?
Conclusion
The microRNA cluster miR-106b~25 is suggested to play a critical role in regulating adult neurogenesis.
Supporting Evidence
- miR-106b~25 promotes proliferation in primary neural stem cell cultures.
- Overexpression of miR-106b~25 enhances neural stem cell differentiation toward the neuronal lineage.
- miRNA-25 may modulate TGFβ/BMP and insulin/IGF signaling pathways.
- FoxO transcription factors are crucial regulators of stem cell maintenance.
Takeaway
MicroRNAs help control how brain cells grow and develop, and one specific group of microRNAs might be important for keeping our brain healthy as we age.
Limitations
The in vitro effects of miR-106b~25 on neural stem cells are modest and require further investigation.
Want to read the original?
Access the complete publication on the publisher's website