Active Mitochondria In Healthy Spiny Mouse Fibroblasts Resemble Megamitochondria And Remain Resilient Across Lifespan
October 2025
Research cited in this study
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Spiny mice can regenerate tissues instead of forming scars.
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High levels of ERK activity are key for tissue regeneration in spiny mice, and activating ERK can potentially redirect scar-forming healing towards regenerative healing in mammals.
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Dermal fibroblasts have adjustable roles in wound healing, with specific cells promoting regeneration or scar formation.
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Understanding different types of skin cells, especially fibroblasts, can lead to better treatments for wound healing and less scarring.
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Mammals might fail to regenerate not because they lack the right cells, but because of how cells respond to their surroundings, and changing this environment could enhance regeneration.
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Blocking β-catenin in skin cells improves hair growth during wound healing.
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Two fibroblast types shape skin structure and repair differently.
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African spiny mice can regenerate skin, hair, and cartilage, but not muscle, and their unique abilities could be useful for regenerative medicine.