Novosti
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Year 2016 Vol. 24 No 5
SCIENTIFIC PUBLICATIONS
EXPERIMENTAL SURGERY
T.O. PAVLUT 1, T.B. MELIK-KASUMOV 1, I.P. ZHAVORONOK 1, O.A. ANTIPOVA 1, E.I. PEHTEREVA 1, S.A. NOVAKOVSKAYA 1, A.I. VASILKEVICH 2, M.A. KISEL 2, A.Y. MOLCHANOVA 1
THE EFFECT OF N-PALMITOYLETHANOLAMINE AND N-STEAROYLETHANOLAMINE IN LIPOSOMES ON THE HEALING OF EXPERIMENTAL SKIN WOUNDS
SRE " Institute of Physiology, NAS of Belarus"1,
SRE "Institute of Bioorganic Chemistry", NAS of Belarus"2,
Minsk,
The Republic of Belarus
Objectives. To study wound-healing properties of N-palmitoylethanolamine and N-stearoylethanolamine in liposomes and to compare their action with the drug has also proven to be effective and safe.
Methods. The wound-healing effects of N-palmitoylethanolamine and N-stearoylethanolamine were studied on white male rats (n=214) with three types of skin wounds: incision, excision and burn wounds. To study each type of wounds the animals were divided into groups: control (untreated wounds), negative control (or solvent), positive control (Methyluracil ointment), N-palmitoylethanolamine and N-stearoylethanolamine. The general state of animals was monitored daily; all wounds were photographed and then treated with tested substances. In wound model treatment was continued till the complete healing with registration of the date of healing. Conclusion was made according to visual observation, computer planimetry and morphological studies data.
Results. The application of both of N-acylethanolamines has not reduced the healing time of incision wounds which lasted during 8-10 days. Excision wound completely healed (in control group) within 21-25 days and 22-25 days in treating with N-stearoylethanolamine. In contrast, daily application of palmitoylethanolamine on the surface of excision wound has shorten the healing up to 18-19 days (p<0,05). Thermal burns of IIIA degree healed in control rats within 30-32 days. Use of both of N-acylethanolamines reduced this period up to 27-28 days, as for N-stearoylethanolamine the changes were statistically reliable (p<0,05).
Conclusion. N-palmitoylethanolamine and N-stearoylethanolamine in liposomes stimulate the regeneration of experimental skin wounds. Palmitoylethanolamine accelerates excision skin wounds healing whereas N-stearoylethanolamine healing of burns. N-acylethanolamines seems to be promising as a base for wound-healing agents. Further research in this direction could be a scientific background for new drugs development.
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220072, Republic of Belarus, Minsk, Akademicheskaia st., 28,
Institute of Physiology, National Academy of Sciences of Belarus
laboratory of modulation of
body functions.
Phone: +375 29 568-33-82
E-mail: tanja281286@mail.ru
Pavlut Tatjana Olegovna
Pavlut T.O. Researcher, laboratory of modulation of the body functions. "Institute of Physiology", NAS of Belarus".
Melik-Kasumov T.B. PhD (Physiology), Senior Researcher, laboratory of modulation of the body functions, "Institute of Physiology", NAS of Belarus".
Zhavoronok I.P. PhD (Physiology), Researcher, laboratory of modulation of the body functions, "Institute of Physiology", NAS of Belarus.
Antipova O.A. Junior researcher, laboratory of modulation of the body functions", Institute of Physiology", NAS of Belarus.
Pehtereva E.I. Junior researcher, laboratory of modulation of the body functions" Institute of Physiology", NAS of Belarus.
Novakovskaya S.A. PhD (Morphology), Head of laboratory "Center of light and electronic microscopy", "Institute of Physiology", NAS of Belarus. Vasilkevich A.I. Researcher, laboratory of lipids chemistry, "Institute of Bioorganic Chemistry", NAS of Belarus.
Kisel M.A. Dr.Sci. (Chemistry), professor, Head of laboratory of lipids chemistry, "Institute of Bioorganic Chemistry", NAS of Belarus
Molchanova A.Yu. PhD (Physiology), Head of laboratory of modulation of the body functions, "Institute of Physiology", NAS of Belarus".
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