IN VITRO ASSESSMENT OF THE BIOLOGICAL ACTIVITY OF A NEW REGENERATIVE AGENT PREPARED FROM THE CONCENTRATE OF DEPROTEINIZED DERMAL LAYER OF PORCINE SKIN
Background. Presently, a prospective direction for the development of regenerative medicine in the world is the search for regulatory molecules and the identification of molecular targets to stimulate the body's endogenous regenerative potential. The concentrate of the deproteinized dermal layer of porcine skin (СDDLPS) is a new therapeutic agent with restorative properties, the action of which is directed on the induction of the self resources of cells. Aim. The assessment of the effect of СDDLPS on the proliferative activity of mammalian cells of different histogenesis in vitro.
Materials and Methods. To determine the amino acid composition of the СDDLPS liquid chromatography and biochemical methods were used. The biological effects and mechanisms of action of the drug were investigated by cell culture and molecular biological methods. The research was carried out using stable cell lines: human keratinocytes (HaCaT cell line), porcine endothelial cells (PAE cell line), bovine kidney cells (MDBK cell line) and mouse fibroblasts (3T3A31 cell line).
Results. The cells of the bovine kidney MDBK cell line were the most sensitive to the effect of the CDDLPS. Also, the obtained results suggest that, depending on the concentration, the drug not only stimulates cell proliferation by 10–30 %, but also significantly enhances biosynthetic processes in cells, in particular, protein synthesis by 20–40 %. Conclusions. CDDLPS is an effective and affordable therapeutic agent with restorative properties, the biological activity of which manifests itself in the activation of cell biosynthetic and proliferative potentials and is comparable to effects of some growth factors, in particular epidermal growth factor
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