Regulation of blood pressure and glucose metabolism induced by L-tryptophan in stroke-prone spontaneously hypertensive rats
2011

Effects of L-Tryptophan on Blood Pressure and Glucose in Rats

Sample size: 4 publication Evidence: moderate

Author Information

Author(s): Ardiansyah, Shirakawa Hitoshi, Inagawa Yuto, Koseki Takuya, Komai Michio

Primary Institution: Tohoku University

Hypothesis

Does L-tryptophan administration affect blood pressure and glucose metabolism in stroke-prone spontaneously hypertensive rats?

Conclusion

L-tryptophan improves glucose metabolism and lowers blood pressure in stroke-prone spontaneously hypertensive rats.

Supporting Evidence

  • Single oral dose of L-tryptophan improved blood pressure and blood glucose levels.
  • Continuous treatment with L-tryptophan significantly lowered blood pressure in rats.
  • Plasma insulin levels decreased significantly after L-tryptophan treatment.

Takeaway

Giving L-tryptophan to certain rats helps lower their blood pressure and blood sugar levels.

Methodology

Male stroke-prone spontaneously hypertensive rats were given a single oral dose or continuous treatment of L-tryptophan, and their blood pressure and glucose levels were measured.

Limitations

The study was conducted on a specific strain of rats, which may limit the generalizability of the findings.

Participant Demographics

Male stroke-prone spontaneously hypertensive rats, 9 weeks old.

Statistical Information

P-Value

p<0.05

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1186/1743-7075-8-45

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