CRMP5 Regulates Generation and Survival of Newborn Neurons in Olfactory and Hippocampal Neurogenic Areas of the Adult Mouse Brain
2011

CRMP5 Regulates Generation and Survival of Newborn Neurons in the Adult Mouse Brain

Sample size: 10 publication 10 minutes Evidence: high

Author Information

Author(s): Veyrac Alexandra, Reibel Sophie, Sacquet Joëlle, Mutin Mireille, Camdessanche Jean-Philippe, Kolattukudy Pappachan, Honnorat Jérôme, Jourdan François

Primary Institution: Lyon Neuroscience Research Center, Université de Lyon - Université Claude Bernard Lyon 1

Hypothesis

What is the role of CRMP5 in neurogenesis in the adult mouse brain?

Conclusion

CRMP5 is involved in the generation and survival of newly generated neurons in the adult brain's neurogenic areas.

Supporting Evidence

  • CRMP5 is expressed in proliferating and post-mitotic neuroblasts in the adult brain.
  • CRMP5 knockout mice showed increased neurogenesis but also higher rates of neuronal apoptosis.
  • The study found that CRMP5 negatively regulates the proliferation of neural progenitors.

Takeaway

CRMP5 helps control how many new brain cells are made and how long they live, which is important for brain health.

Methodology

The study used CRMP5 knockout mice to assess the effects on neurogenesis and cell survival in the olfactory bulb and dentate gyrus.

Limitations

The study primarily focused on two neurogenic areas and may not generalize to other brain regions.

Participant Demographics

Adult male mice, specifically 12-week-old.

Statistical Information

P-Value

p=0.008

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1371/journal.pone.0023721

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