Age-induced diminution of free radicals by Boeravinone B in Caenorhabditis elegans

Experimental Gerontology
Laxmi Rathor, Rakesh Pandey

Abstract

Oxidative damage is accrual of molecular deterioration from reactive oxygen species (ROS) while decrease in generation of ROS is related with free radical scavenging enzymes. Boerhaavia diffusa L. (Nyctaginaceae) derived novel molecule Boeravinone B (BOB) possesses a variety of pharmacological activities, yet their anti-aging potential has not been explored. The aim of the present study was to elucidate the mechanism of BOB mediated oxidative stress resistance and lifespan extension in Caenorhabditis elegans. The results showed that the BOB significantly extends the lifespan of C. elegans with its anti-oxidative potential via reducing accumulation of reactive oxygen species (ROS). BOB was found to recover the shortened lifespan of oxidative stress prone mutants mev-1 and gas-1 (14.75 and 16.11%, respectively). Additionally, this finding supported by the reduced ROS levels seen in BOB treated worms. Further, the effective concentration of BOB (25 μM) significantly enhanced the expressions of target genes such as superoxide dismutase (SOD-3), glutathione-S-transferase (GST-4) and heat shock protein (HSP-16.2) fused to green fluorescent protein (GFP), and it does so by modulating the stress-related signaling pathways (SEK-1) and t...Continue Reading

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