A rapidly growing development of tissue engineering promotes the increasing interest in the obtainment of various decellularizedtissues and organs. Minimal quality evaluation criteria of obtained tissue engineered constructions have been previously specified. In the discussionpaper the group of authors considers the morphological methods of matrix evaluation applied by various researchers on the model of heart decellularization. The analysis of modern literature and the authors’ own researches have shown that morphological evaluation of decellularization quality has to be complex and should consist of several stages which include both basic and additional evaluation methods.
We modified the protocol of obtaining of biological scaffolds of rat lungs based on dynamic recording of specific resistivity of working detergent solution (conductometry) during perfusion decellularization. Termination of sodium deoxycholate exposure after attaining ionic equilibrium plateau did not impair the quality of decellularization and preserved structural matrix components, which was confirmed by morphological analysis and quantitative assay of residual DNA.
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