Collagen I gels with protein concentrations of 1, 2, and 3.5 mg/ml were prepared and embedded in a porous polylactide scaffold to reduce their contraction. Concentration of the gel did not affect its degradation. Collagen gels promoted the formation of cell networks. The cells in the collagen gel with a concentration of 1 mg/ml embedded in polylactide scaffold had elongated spindle-like shape, in contrast to flattened cells in collagen gel of the same concentration not embedded in the scaffold. Stabilization of the collagen gel in the polylactide scaffold promoted active synthesis of laminin and fibronectin by cells as soon as on day 5 of culturing in comparison with that in free collagen substrate.
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Translated from Kletochnye Tekhnologii v Biologii i Meditsine, No. 1, pp. 12-18, January, 2017
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Nashchekina, Y.A., Yudintceva, N.M., Nikonov, P.O. et al. Effect of Concentration of Collagen Gel on Functional Activity of Bone Marrow Mesenchymal Stromal Cells. Bull Exp Biol Med 163, 123–128 (2017). https://doi.org/10.1007/s10517-017-3751-9
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DOI: https://doi.org/10.1007/s10517-017-3751-9