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©The Author(s) 2025.
World J Stem Cells. Sep 26, 2025; 17(9): 108523
Published online Sep 26, 2025. doi: 10.4252/wjsc.v17.i9.108523
Table 2 Animal models for preclinical cartilage regeneration
Species
Cartilage thickness
Advantages
Limitations
Mouse20-30 μmLow cost, genetic models availableExtremely thin cartilage, not load-bearing
Rat100-150 μmInexpensive, widely used, easy handlingThin cartilage, less similar to humans
Rabbit200-300 μmModerate size, suitable for defect modelingRapid healing not reflective of humans
Goat1000-2000 μmLoad-bearing joints, similar cartilage sizeHigher cost, ethical concerns
Pig900-1300 μmJoint size, cartilage thickness similar to humansExpensive, difficult handling
Sheep700-1200 μmWeight-bearing joints, suitable for long-term studiesExpensive, anatomical differences


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