Related Experiment Video
Updated: May 7, 2026
08:01
Neuronal Differentiation from Mouse Embryonic Stem Cells In vitro
Published on: June 2, 2020
Hyperforin inhibits cell proliferation and differentiation in mouse embryonic stem cells
K Nakamura1, K Aizawa, J Yamauchi
1Department of Pharmacology, National Research Institute for Child Health and Development, Tokyo, 157-8538, Japan.
Cell Proliferation
|September 17, 2013
Summary
Hyperforin, a St. John's Wort compound, may pose risks to embryonic development at high doses. While generally safe for adults, pregnant women should exercise caution to avoid potential embryotoxic and teratogenic effects.
Area of Science:
- Developmental toxicology
- Pharmacology
- Stem cell biology
Background:
- Hyperforin, derived from St. John's Wort, is the primary antidepressant component.
- The embryotoxic and teratogenic effects of hyperforin are not well-established.
- Pregnancy exposure to St. John's Wort is relatively common.
Purpose of the Study:
- To investigate the potential embryotoxic effects of hyperforin.
- To assess hyperforin's impact on embryonic stem cells (mES) and fibroblasts.
- To determine dose-dependent effects on cell growth, survival, and differentiation.
Main Methods:
- Utilized a modified embryonic stem cell test (EST) for in vitro developmental toxicity assessment.
- Employed mouse embryonic stem cells (mES) and fibroblasts.
- Analyzed cell population growth, apoptosis, differentiation into cardiomyocytes, and lineage-specific marker expression.
Main Results:
- High concentrations of hyperforin inhibited mES cell growth and induced fibroblast apoptosis.
- Hyperforin dose-dependently affected mES cell differentiation into cardiomyocytes.
- High hyperforin concentrations partially inhibited differentiation into mesodermal and endodermal lineages.
Conclusions:
- Hyperforin, used clinically as an antidepressant, shows a low risk of embryotoxicity at typical dosages.
- High-dose hyperforin ingestion by pregnant women may present embryotoxic and teratogenic risks.
- Further research is warranted to fully elucidate hyperforin's developmental toxicity profile.
