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Synthesis of N-acyl derivatives of Pro-Gly-Pro-Leu peptide: Proteolytic stability in vitro and effects on mouse macrophage cells RAW264.7

  • Biochemistry, Biophysics, and Molecular Biology
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Abstract

Acetyl, oleoyl, arachidonoyl, and docosahexaenoyl derivatives of the Pro-Gly-Pro-Leu peptide with a chemical purity of 99.8% were synthesized. The degradation kinetics of the Pro-Gly-Pro-Leu derivatives under the action of leucine aminopeptidase, nasal mucus, and microsomal fraction of the brain and blood of rats was studied. It was shown that the N-acyl derivatives of Pro-Gly-Pro-Leu proved to be more resistant to the action of leucine aminopeptidase and other enzyme systems. The study of the cytotoxic and anti-inflammatory activity of preparations on the mouse macrophage cell line RAW264.7 showed that acylation with oleic and arachidonic acid makes the peptide cytotoxic with LC50 in the range of 70–15 μM and gives it anti-inflammatory properties with EC50 of 32 and 36 μM, respectively.

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Authors and Affiliations

  1. Institute of Molecular Genetics, Russian Academy of Sciences, Moscow, 123182, Russia

    K. V. Shevchenko, I. Yu. Nagaev, V. P. Shevchenko & N. F. Myasoedov

  2. Shemyakin–Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, Moscow, 117997, Russia

    V. V. Bezuglov & M. G. Akimov

Authors
  1. K. V. Shevchenko
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  2. V. V. Bezuglov
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  3. M. G. Akimov
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  4. I. Yu. Nagaev
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  5. V. P. Shevchenko
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  6. N. F. Myasoedov
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Corresponding author

Correspondence to K. V. Shevchenko.

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Original Russian Text © K.V. Shevchenko, V.V. Bezuglov, M.G. Akimov, I.Yu. Nagaev, V.P. Shevchenko, N.F. Myasoedov, 2017, published in Doklady Akademii Nauk, 2017, Vol. 476, No. 5, pp. 596–599.

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Shevchenko, K.V., Bezuglov, V.V., Akimov, M.G. et al. Synthesis of N-acyl derivatives of Pro-Gly-Pro-Leu peptide: Proteolytic stability in vitro and effects on mouse macrophage cells RAW264.7. Dokl Biochem Biophys 476, 333–336 (2017). https://doi.org/10.1134/S1607672917050118

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  • DOI: https://doi.org/10.1134/S1607672917050118

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