1. Immanuel Kant Baltic Federal University, Kaliningrad, Russia 2. Siberian State Medical University, Tomsk, Russia 3. Institute of Strength Physics and Materials Science, the Siberian Branch of the Russian Academy of Sciences, Tomsk, Russia 4. Tomsk Polytechnic University, Tomsk, Russia; Institute of Strength Physics and Materials Science, the Siberian Branch of the Russian Academy of Sciences, Tomsk, Russia 5. Siberian State Medical University, Tomsk, Russia; Tomsk Polytechnic University, Tomsk, Russia
Secretion of 21 cytokines, chemokines and growth factors (LIF, SCF, SDF-1a, SCGF-b, M-CSF, MCP-3, MIF, MIG, TRAIL, GRO-a; IL-1a, IL-2ra, IL-3, IL-12(p40), IL-16, IL-18, HGF, TNF-b, b-NGF, IFN-a2, CTACK) has been studied in vitro in the culture of human adipose-derived multipotent mesenchymal stromal cells (hAMMSCs) in conditions of its osteogenic differentiation caused by 14-day contact with calcium phosphate (CP) surface with different roughness. Bilateral X-ray amorphous CP coatings were prepared on the samples of commercially pure titanium in the anodal regime using a micro-arc method. An aqueous solution prepared from 20 wt% phosphoric acid, 6 wt% dissolved hydrohyapatite nanopowder (particle diameter 10-30 nm with single agglomerates up to 100 nm), and 9 wt% dissolved calcium carbonate was used to obtain CP coating. hAMMSCs isolated from lipoaspirate were co-cultured after 4 passages with the CP-coated samples at final concentration of 1.5´105 viable karyocytes per 1.5 mL of standard nutrition medium (without osteogenic stimulators) for 14 days (a determination of [CD45,34,14,20], CD73, CD90 и CD105 cell immunophenotype; an analysis of secretory activity) and 21 days (alizarin red S staining of culture) with medium replacement every 3-4 days. Under conditions of in vitro contact with rough CP coating hAMMSCs differentiated into osteoblasts synthesizing the mineralized bone matrix; this was accompanied by 2-3-fold increasing ratio of [CD45,34,14,20]+ hemopoietic cells. The following humoral factors of hemopoietic niches acted as the signal molecules escalating in vitro the hemopoietic base in 14 days of differentiating three-dimensional culture of hAMMSCs: either leukemia inhibitory factor (LIF) and stem cell factor (SCF) cytokines under mean index of CP roughness Ra=2.4-2.6 mm or stromal derived factor-1 (SDF-1a, CXCL12 chemokine) under Ra=3.1-4.4 mm.
Keywords: stem cell factor, stem cell growth factor, stromal derived factor-1, in vitro, micro-arc coating, roughness index Ra
Litvinova L.S. et al. Secretion of niche signal molecules in conditions of osteogenic differentiation of multipotent mesenchymal stromal cells induced by textured calcium phosphate coating // Biomeditsinskaya khimiya. - 2019. - V. 65. -N 4. - P. 339-346.
Litvinova L.S. et al., "Secretion of niche signal molecules in conditions of osteogenic differentiation of multipotent mesenchymal stromal cells induced by textured calcium phosphate coating." Biomeditsinskaya khimiya 65.4 (2019): 339-346.
Litvinova, L. S., Shupletsova, V. V., Yurova, K. A., Khaziakhmatova, O. G., Todosenko, N. M., Malashchenko, V. V., Shunkin, E. O., Melashchenko, E. S., Khlusova, M. Yu., Komarova, E. G., Chebodaeva, V. V., Sharkeev, Yu. P., Ivanov, P. A., Khlusov, I. A. (2019). Secretion of niche signal molecules in conditions of osteogenic differentiation of multipotent mesenchymal stromal cells induced by textured calcium phosphate coating. Biomeditsinskaya khimiya, 65(4), 339-346.
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