BACKGROUND: studies on biomimetic cell-scaffold constructs can facilitate the determination of the cell dose, a key factor in guaranteeing the effectiveness of the treatment. However, highly porous scaffolds do not allow a nondestructive evaluation of the cell number. Our objective was to develop a nondestructive method for human mesenchymal stem cells dose evaluation in a highly porous scaffold for bone regeneration. MATERIALS & MEASUREMENT METHOD: scaffolds was measured by a resazurin-based assay here optimized for 3D cultures. The method allows to noninvasively follow the cell proliferation on biocorals over 3 weeks with very high reproducibility. CONCLUSION: This reliable method could be a powerful tool in cell-based therapies for cell dose determination.
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Divieto et al. (2015) studied this question.
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