Journal
INTERNATIONAL JOURNAL OF IMMUNOPATHOLOGY AND PHARMACOLOGY
Volume 24, Issue 3, Pages 631-638Publisher
BIOLIFE SAS
DOI: 10.1177/039463201102400309
Keywords
Duchesnea indica Focke; herpes simplex virus; apoptosis; PC-12 cell; BV-2 cell
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This study explores the inducing-apoptotic activity of the ethanol extract of Duchesnea indica Focke on treatment of herpes simplex encephalitis. Cell models were employed and divided into 4 groups: normal group, virus group, Duchesnea indica group and dexamethasone group. Cytopathic effect examination was employed to detect apoptosis of PC-12 and BV-2 cells. ELISA was used to measure TNF-alpha and IL-1 beta, and Greiss method to measure NO secretion. Flow cytometry assay for caspase-3 expressions was performed. As a result, the ethanol extract of Duchesnea indica could protect the neuron cell model from impairment by virus. In the cell model of microglia stimulated by herpes simplex virus (HSV), with the ethanol extract intervention, TNF-alpha, IL-1 beta and NO levels were significantly decreased and cell death of BV-2 cells were markedly increased. The expression level of caspase-3 was notably elevated after the extract intervention. In conclusion, the ethanol extract of Duchesnea indica can reduce HSV-induced inflammatory injury on neuron due to the induction of microglia apoptosis.
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