Enhancement by neurotensin of experimental carcinogenesis induced in rat colon by azoxymethane
1990

Neurotensin and Colon Cancer in Rats

Sample size: 60 publication Evidence: moderate

Author Information

Author(s): M. Tatsutal, H. Iishil, M. Babal, H. Taniguchi

Primary Institution: The Center for Adult Diseases, Osaka

Hypothesis

Does neurotensin enhance the growth of colon tumors induced by azoxymethane in rats?

Conclusion

Neurotensin significantly increased the number and size of colon tumors in rats treated with azoxymethane.

Supporting Evidence

  • Neurotensin increased the number of colon tumors per rat.
  • Colon tumors larger than 10 mm were more frequent in the neurotensin group.
  • Neurotensin did not affect the incidence of tumor-bearing rats.

Takeaway

This study found that a substance called neurotensin can make colon tumors grow bigger in rats.

Methodology

Wistar rats were treated with azoxymethane and neurotensin, and tumor growth was measured over 40 weeks.

Potential Biases

Potential bias in treatment administration and measurement of outcomes without knowledge of treatment groups.

Limitations

The study was conducted only on male Wistar rats, which may limit the generalizability of the findings.

Participant Demographics

60 young (6-week-old) male Wistar rats.

Statistical Information

P-Value

p<0.05

Statistical Significance

p<0.05

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