Vochysia haenkeana Extract: A Potential Natural Antidote Against Bothrops jararaca Venom

Introduction: Snakebite envenomation remains a serious public health issue, particularly in tropical and subtropical regions. While antivenom therapy is the gold standard for treatment, alternative remedies are being explored for their potential to mitigate venom effects. A recent study published in the Journal of Plant Science and Phytopathology investigates the ability of Vochysia haenkeana extract (Vh-E) to counteract the neuromuscular blockade caused by Bothrops jararaca venom in vitro.

Study Findings: Researchers evaluated the effects of V. haenkeana extract on chick biventer cervicis muscle preparations exposed to B. jararaca venom. The study explored two treatment approaches:

  • Pre-venom incubation (Pre-vit): Vh-E was applied before venom exposure.
  • Post-venom incubation (Post-vit): Vh-E was administered after venom exposure.

Key findings include:

  • Vh-E significantly neutralized the venom-induced neuromuscular blockade when applied before venom exposure, reducing the blockade from 72.5% to 45.2% (p<0.05).
  • Post-vit treatment demonstrated a partial protective effect, reducing the blockade to 63.4%.
  • The extract preserved contractile responses to acetylcholine (ACh) and potassium chloride (KCl), suggesting its role in protecting muscle function and reducing venom-induced myotoxicity.

Potential Implications: The study underscores the potential of plant-based compounds in complementing traditional antivenom therapy. The findings suggest that V. haenkeana extract could serve as an accessible first-aid measure, especially in remote regions where immediate medical intervention is unavailable.

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