Protective role of fish oil (Maxepa) on early events of rat mammary carcinogenesis by modulation of DNA-protein crosslinks, cell proliferation and p53 expression
2007

Fish Oil's Protective Role Against Breast Cancer in Rats

Sample size: 80 publication Evidence: high

Author Information

Author(s): Manna Sangita, Chakraborty Tridib, Damodaran Suresh, Samanta Kartick, Rana Basabi, Chatterjee Malay

Primary Institution: Jadavpur University, India; Texas A&M University System, USA

Hypothesis

Does fish oil (Maxepa) have a protective effect on early events of rat mammary carcinogenesis?

Conclusion

Fish oil (Maxepa) significantly reduces cell proliferation and DNA-protein crosslinks while increasing p53 expression, indicating its chemopreventive effect against mammary carcinogenesis in rats.

Supporting Evidence

  • Fish oil reduced cell proliferation by 24.34%.
  • DNA-protein crosslinks decreased by 25% with fish oil treatment.
  • p53 expression increased significantly in the fish oil-treated group.
  • Only 60% of rats in the fish oil group developed tumors compared to 90% in the control group.
  • The latency period for tumor appearance was longer in the fish oil group.

Takeaway

Fish oil can help protect rats from developing breast cancer by slowing down the growth of cancer cells and helping a special protein that fights tumors.

Methodology

Female Sprague-Dawley rats were injected with a carcinogen and treated with fish oil to assess its effects on tumor development and related biological markers.

Limitations

The study was conducted on rats, and results may not directly translate to humans.

Participant Demographics

Inbred virgin female Sprague-Dawley rats, 20 ± 2 days old.

Statistical Information

P-Value

0.001

Statistical Significance

p<0.001

Digital Object Identifier (DOI)

10.1186/1475-2867-7-6

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