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Issue: Volume 57, issue 4

Title: EFFECT OF N-STEAROYLETHANOLAMINE ON FREE AMINO ACID LEVELS IN RAT PLASMA AND LIVER WITH BURN.

Authors: A.G. Berdyshev, N.M. Gulaya, A.A. Chumak, N.L. Kindruk.

Address:

Palladin Institute of Biochemistry, National Academy of Science of Ukraine, Leontovicha str., 9, Kyiv, 01601 Ukraine; tel.: (38-044) 2357197; e-mail: berd@biochem.kiev.ua.

Abstract:

      The effect of the endocannabinoid congener N-stearoylethanolamine (NSE) on the content of plasma and liver free amino acids in burned rats was studied. The animals after the thermal burn of the skin received per os during 7 days the water suspension of NSE in the doze 10 mg/kg of body weight. In the other group of rats the suspension was applied on the wound (the concentration of NSE was 10 mg/ml). In experimental animals the total amount of free amino acids in plasma decreased after burn while the total amount of free amino acids in liver significantly increased. In burn animals the ratio of plasma and liver Phe/Tyr and Gly/Val was found to be augmented while the Fischer ratio (Ile+Leu+Val/Phe+Tyr) diminished compared with intact rats. It was shown for the first time that NSE caused normalization of the concentration of some free amino acids and of Phe/Tyr, Gly/Val ratios, and the Fischer ratio in blood plasma and liver of rats with the burn injury.
    Altogether, these data demonstrate that NSE possesses adaptogenic properties, and is involved in the organism response to a burn. These findings suggest possibility of NSE usage for burn treatment.

Key words: N-stearoylethanolamine, burn, free amino acid.

Biomedical Chemistry, 2011 Volume 57, Issue 4, p. 446-454.

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