Valproic acid induces differentiation and inhibition of proliferation in neural progenitor cells via the beta-catenin-Ras-ERK-p21Cip/WAF1 pathway
2008

Valproic Acid Promotes Differentiation and Reduces Proliferation in Neural Progenitor Cells

publication 10 minutes Evidence: moderate

Author Information

Author(s): Jung Gyung-Ah, Yoon Ju-Yong, Moon Byoung-San, Yang Dong-Hwa, Kim Hyun-Yi, Lee Sang-Hun, Bryja Vitezslav, Arenas Ernest, Choi Kang-Yell

Primary Institution: Yonsei University

Hypothesis

How does valproic acid induce differentiation and inhibit proliferation in neural progenitor cells?

Conclusion

Valproic acid induces differentiation and inhibits proliferation in neural progenitor cells through the Ras-ERK-p21Cip/WAF1 pathway.

Supporting Evidence

  • Valproic acid treatment led to increased levels of p21Cip/WAF1 in neural progenitor cells.
  • Cells treated with valproic acid showed reduced proliferation compared to those treated with basic fibroblast growth factor alone.
  • Immunofluorescent labeling indicated significant neurite outgrowth in valproic acid-treated cells.

Takeaway

Valproic acid helps brain cells grow up and stop making too many copies of themselves, which is important for brain development.

Methodology

Neural progenitor cells from rat embryos were treated with valproic acid and analyzed for differentiation and proliferation.

Limitations

The study primarily focuses on in vitro results, and the effects in vivo may vary.

Participant Demographics

Embryonic day 14 rat cerebral cortex neural progenitor cells.

Statistical Information

P-Value

p<0.001

Statistical Significance

p<0.001

Digital Object Identifier (DOI)

10.1186/1471-2121-9-66

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