Abstract
The distribution of the glyprolines, Pro-Gly-Pro and Thr-Lys-Pro-Arg-Pro-Gly-Pro (Selanc), was analyzed and compared in tissues of rat organs after different ways of their administration using the peptides uniformly labeled with tritium. Comparative data on changes of concentrations of the peptides in the rat organs after their intraperitoneal, intranasal, intragastric, and intravenous administration are given. The intranasal administration of both peptides was shown to be optimal for delivery of glyprolines molecules in the CNS. A high affinity of the studied glyprolines for gastric tissues was found for all the ways of their administration. We suggest that high efficacy of action of glyprolines on homeostasis of the gastric mucosa was partially provided by accumulation of these peptides (to high concentrations) in gastric tissues.
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Abbreviations
- HSCIE:
-
high-temperature solid-phase catalytic isotope exchange
- i.g.:
-
intragastric
- i.n.:
-
intranasal
- i.p.:
-
intraperitoneal
- i.v.:
-
intravenous
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Original Russian Text © I.P. Ashmarin, K.E. Baglikova, S.E. Edeeva, Yu.A. Zolotarev, V.S. Kozik, A.K. Dadayan, E.M. Dorokhova, L.Yu. Alfeeva, L.A. Andreeva, G.N. Kopylova, T.S. Pavlov, B.V. Vaskovsky, V.K. Meshavkin, O.Yu. Sokolov, N.V. Kost, A.A. Zozulya, G.E. Samonina, N.F. Myasoedov, 2008, published in Bioorganicheskaya Khimiya, 2008, Vol. 34, No. 4, pp. 464–470.
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Ashmarin, I.P., Baglikova, K.E., Edeeva, S.E. et al. A comparative analysis of the distribution of glyprolines after their administration by different ways. Russ J Bioorg Chem 34, 415–420 (2008). https://doi.org/10.1134/S1068162008040043
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DOI: https://doi.org/10.1134/S1068162008040043