Saratov JOURNAL of Medical and Scientific Research

The estimation of biocompatibility of polycaprolactone matrices mineralized by vat-erite in subcutaneous implantation tests in white rats

Year: 2018, volume 14 Issue: №3 Pages: 451-456
Heading: Physiology and Pathophysiology Article type: Original article
Authors: Ivanov A.N., Kurtukova М.О., Kozadaev M.N., Tyapkina D.A., Kustodov S.V., Saveleva M.S., Bugaeva I.O., Parakhonsky B.V., Galashina E.A., Gladkova E.V., Norkin I.A.
Organization: Saratov National Research University n.a. N. G. Chernyshevsky

Aim: to estimate biocompatibility of matrices produced from polycaprolactone (PCL) and mineralized by vaterite (CaC03) by studying local and systemic manifestations of inflammatory reaction in subcutaneous implantation tests in white rats. Material and Methods. The experiment was conducted on 40 rats divided into four equal groups: control, comparison (rats with imitation of implantation), negative control (rats with implanted non-biocompatible matrices) and experimental group, comprised of animals with implanted PCL/CaC03-matrices. Local inflammatory manifestations were analyzed by morphological assay of implantation area tissues. Systemic inflammatory manifestations were estimated by TNF-a concentration and interleukin-lp (IL-1) in blood serum by ELISA. Results. The changes in cellular population content demonstrate that a PCL/CaC03-matriceonthe21 day after the implantation to rats is evenly colonizing by fibroblast cells and vascularizing. This type of matrices does not provoke intense inflammatory reaction seen in negative control animals and accompanied by systemic manifestations such as statistically significant rise in TNF-a and IL-1 concentrations. Conclusion. The data obtained in the study proving the biocompatibility of PLC/CaC03-scaffolds experimentally substantiate the potential for their use in tissue engineering.

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