Year 2013 Vol. 21 No 2




EE Belarusian State Medical University1,
SEE Belarusian Academy of Post-Graduate
Education 2, Minsk,
The Republic of Belarus

Objectives. To carry out collagen biosynthesis analysis at different types of abdominal wall plasty with adipose tissue-derived mesenchymal stem cells transplantation (ATMSCs) in a simulated incisional hernia in laboratory animals.
Methods. The incisional hernia by the developed method was modeled in 140 laboratory animals (rats).
Four groups of animals depending on the type of abdominal wall plasty were formed. The plasty using a polypropylene surgical mesh with 2,5% gelatin gel and ATMSCs was carried out in the first group. Ones own tissue with 2,5% gelatin gel and ATMSCs was used in the second group; in the third group - a polypropylene surgical mesh; in the fourth group the interrupted suture was performed and 2,5% gelatin gel was additionally placed. To assess collagen formation processes the immunohistochemical tissue of the abdominal wall was studied in the dynamics with determination of the quantitative expression of biomolecular markers of collagen type I and III, as well as their relationship (I / III).
Results. It has been found out that that the transplantation of ATMSCs in the gelatin gel at the abdominal wall plasty in isolation and combined with a polypropylene surgical mesh leads to a stable high activity of collagen type I (p<0,05) in conjunction with a minimum increase (p<0,05) of the collagen type III expression both within the analyzed period and in comparison with the rates of other variants of plasty, stable elevation (p<0,05) of collagen ratio I / III type during the entire experiment.
Conclusions. The established features of collagen biosynthesis confirm the multifactorial positive impact of ATMSCs on the structural characteristics of connective tissue forming in the hernioplasty area.

Keywords: postoperative hernia, plasty, adipose tissue-derived mesenchymal stem cells transplantation, connective tissue, synthesis of collagen
p. 21 28 of the original issue
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Address for correspondence:
220034, Respublika Belarus', g. Minsk, ul. Azgura, d.4, UO Belorusskii gosudarstvennyi meditsinskii universitet, voenno-polevoi fakul'tet,
Bogdan Vasilii Genrikhovich
Information about the authors:
Bogdan V.G. PhD, associate professor, colonel of medical service, the deputy head of the military medical faculty of EE BSMU on educational and scientific affairs.
Kryvorot S.G. A researcher of CSRL of SEE Belarusian Medical Academy of Post-Graduate Education.
Vladimirskaya T.E. PhD, leading researcher of CSRL of SEE Belarusian Medical Academy of Post-Graduate Education.
Shved I.A. MD, professor, chief researcher of CSRL of SEE Belarusian Medical Academy of Post-Graduate Education.
Gain J.M. MD, professor, vice-rector on scientific affairs of SEE Belarusian Medical Academy of Post-Graduate Education.
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