Protective effect of Hypericum perforatum Linn (St. John's wort) against hydrogen peroxide-induced apoptosis on human neuroblastoma cells

Mi-Hyeon D Jang, Taeck Hyun Lee, Min Chul Shin, Geon Ho Bahn, Jong Woo Kim, Dong Hoon Shin, Ee Hwa Kim, Chang Ju Kim

Research output: Contribution to journalArticle

25 Citations (Scopus)

Abstract

The medicinal plant Hypericum perforatum Linn, commonly known as St. John's wort, has been used as an antidepressant. To investigate whether St. John's wort possesses a protective effect against hydrogen peroxide (H2O2)-induced cytotoxicity in neuronal cells, 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide assay, 4,6-diamidino-2-phenylindole staining, terminal deoxynucleotidyl transferase-mediated dUTP nick end labeling assay, flow cytometry analysis, DNA fragmentation assay, and caspase-3 enzyme assay were performed on SK-N-MC human neuroblastoma cells. Cells treated with H2O2 exhibited several apoptotic features, while those pre-treated with St. John's wort prior to H2O2 exposure showed a decreased occurrence of apoptotic features. In addition, pre-treatment with St. John's wort inhibited H2O2-induced increase in caspase-3 enzyme activity. These results suggest that St. John's wort may exert a protective effect against H2O2-induced apoptosis in human neuroblastoma cells.

Original languageEnglish (US)
Pages (from-to)177-180
Number of pages4
JournalNeuroscience Letters
Volume329
Issue number2
DOIs
StatePublished - Aug 30 2002
Externally publishedYes

Fingerprint

Hypericum
Neuroblastoma
Hydrogen Peroxide
Apoptosis
Caspase 3
DNA Nucleotidylexotransferase
Enzyme Assays
DNA Fragmentation
Medicinal Plants
Antidepressive Agents
Flow Cytometry
Staining and Labeling
Enzymes

Keywords

  • Apoptosis
  • Caspase-3 activity
  • Neuroblastoma cell line
  • Reactive oxygen species
  • St. John's wort

ASJC Scopus subject areas

  • Neuroscience(all)

Cite this

Protective effect of Hypericum perforatum Linn (St. John's wort) against hydrogen peroxide-induced apoptosis on human neuroblastoma cells. / Jang, Mi-Hyeon D; Lee, Taeck Hyun; Shin, Min Chul; Bahn, Geon Ho; Kim, Jong Woo; Shin, Dong Hoon; Kim, Ee Hwa; Kim, Chang Ju.

In: Neuroscience Letters, Vol. 329, No. 2, 30.08.2002, p. 177-180.

Research output: Contribution to journalArticle

Jang, Mi-Hyeon D ; Lee, Taeck Hyun ; Shin, Min Chul ; Bahn, Geon Ho ; Kim, Jong Woo ; Shin, Dong Hoon ; Kim, Ee Hwa ; Kim, Chang Ju. / Protective effect of Hypericum perforatum Linn (St. John's wort) against hydrogen peroxide-induced apoptosis on human neuroblastoma cells. In: Neuroscience Letters. 2002 ; Vol. 329, No. 2. pp. 177-180.
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