Animal study demonstrates that Spirulina platensis accelerates wound healing in gamma-irradiated rats, highlighting its therapeutic potential for radiation-induced tissue damage.
BACKGROUND: Radiation-induced skin injury significantly impairs wound healing through excessive oxidative stress, prolonged inflammation, and defective tissue remodeling. Natural bioactive compounds with antioxidant and immunomodulatory properties may offer promising therapeutic alternatives. OBJECTIVE: on excisional wound healing in γ-irradiated male albino rats. METHODS: = 15/group): control, wound + vehicle, wound + Spirulina, radiation-only, radiation + wound + vehicle, and radiation + wound + Spirulina. Five animals from each group were sacrificed at days 3, 7, and 14. Biochemical parameters included TNF-α, VEGF, EGF, PDGF, MDA, GSH, MPO, and hydroxyproline, alongside histopathological evaluation. RESULTS: Spirulina treatment significantly improved wound healing in irradiated animals, evidenced by reduced oxidative stress (MDA), enhanced antioxidant status (GSH), improved collagen deposition (hydroxyproline), and modulation of inflammatory mediators. Histological analysis confirmed accelerated re-epithelialization and improved dermal architecture. CONCLUSION: demonstrates significant therapeutic potential in radiation-impaired wound healing through coordinated antioxidant, anti-inflammatory, and pro-regenerative mechanisms.
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Makhlouf et al. (2026) studied this question.
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