Effect of Centella asiatica leaf extract on the dietary supplementation in transgenic Drosophila model of Parkinson's disease

Publication Year: 2014 Authors: Siddique Y.H. et al. Study Type: Preclinical — In vivo (transgenic Drosophila) PMCID: PMC4265550 | Link: View on PubMed Central

Sep 19, 2026 | 1 min read

Research Gist

This study tested Centella asiatica leaf extract in a transgenic Drosophila model engineered to develop Parkinson's-like changes. The flies were fed the extract as a dietary supplement across the study period. Researchers measured oxidative stress markers and behavioural outcomes. Treated flies showed lower oxidative stress and better performance compared with untreated controls. The effect appeared to work through antioxidant activity rather than through a direct effect on dopamine pathways. Drosophila models are widely used in early neuroprotection research because the flies develop measurable movement changes that can be tracked over a short lifespan.

Key Learnings

  • Centella asiatica leaf extract reduced oxidative stress markers in the model.
  • Behavioural outcomes improved in treated flies compared with controls.
  • The mechanism appears to be antioxidant rather than direct dopaminergic action.
  • The extract was given as a dietary supplement rather than by injection.
  • Drosophila is an invertebrate model — results indicate direction, not human effect.