Protective effects of lycopene and tomato extract against doxorubicin-induced cardiotoxicity

Gholamreza Karimi1, Mohammad Ramezani, Azadeh Abdi

  • 1Department of Pharmacodynamy and Toxicology, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran. Gho_karimi@yahoo.com

Insights

Tomato extract and lycopene protect against doxorubicin (DOX) induced heart damage in mice. These natural compounds may help limit free radical injury when used with DOX chemotherapy.

Area of Science:

  • Cardiology
  • Pharmacology
  • Oncology

Background:

  • Doxorubicin (DOX) is a potent chemotherapy agent with known cardiotoxicity.
  • Myocardial damage from DOX is often mediated by free radicals.
  • Natural compounds are being investigated for cardioprotective effects against chemotherapy-induced toxicity.

Purpose of the Study:

  • To evaluate the protective effects of tomato extract and lycopene against acute doxorubicin-induced myocardial toxicity in a mouse model.
  • To determine if tomato extract and lycopene can mitigate DOX-induced cardiac cell injury and biomarker changes.

Main Methods:

  • Mice were administered a single intraperitoneal injection of doxorubicin (15 mg/kg) to induce cardiotoxicity.
  • Mice received varying doses of tomato extract (1.2 and 2.4 g/kg) or lycopene (1.7 and 3.5 mg/kg) intraperitoneally.
  • Serum creatine kinase-MB (CPK(MB)) levels and histopathological examinations were used to assess cardiac damage.

Main Results:

  • Doxorubicin administration significantly increased serum CPK(MB) levels and caused observable cardiac cell injury.
  • Both tomato extract and lycopene treatments significantly prevented the rise in serum CPK(MB) levels.
  • Histopathological analysis showed that tomato extract and lycopene ameliorated doxorubicin-induced cardiac cell injury.

Conclusions:

  • Tomato extract and lycopene demonstrate significant cardioprotective effects against acute doxorubicin toxicity in mice.
  • These findings suggest that tomato extract and lycopene can inhibit DOX-induced cardiotoxicity.
  • Tomato extract and lycopene may represent novel agents for combination therapy with doxorubicin to reduce free radical-mediated organ damage.