Table 1.
Category | Contents | References | |
---|---|---|---|
Decellularization methods | Physical | Freezing, pressure, agitation, sonication and radiation | [13, 15–20] |
Chemical | Detergent, acid, and alkaline | ||
Biological | Enzymes | ||
Adipose ECM composition | Collagens | Type I–VII | [10, 16, 21–26] |
Non-collagen | Laminin, fibronectin, elastin and GAGs | [27–37] | |
Confirmation of decellularization | DNA quantification with PCR, IHC |
< 50 ng ds DNA/mg < 200 bp in length |
[10, 16] |
H&E stain | DAPI, acridine orange | [14] | |
Mechanical property (lyophilized) | Pore size | 20 and 200 μm | [15] |
Porosity | ≒ 90% | ||
Tensile strength | ≒ 0.2 MPa | ||
Young’s modulus | ≒ 65 MPa | ||
Maximum elongation | ≒ 65% | ||
Possible 3D scaffolds types | Sheet, microsphere, square, film, hollow tube, bead, injectable gel | [12, 16, 45] |