Topical Dunaliella salina-Derived Exosome Loaded with Methotrexate Alleviates Psoriasis-like Inflammation via STAT3-Dependent Th17/Treg Balance
Background: Methotrexate (MTX) is a well-established therapeutic agent for psoriasis owing to its anti-inflammatory and immunomodulatory effects. However, its clinical use is limited by insufficient local accumulation in skin lesions and the potential risk of systemic exposure. Dunaliella salina-derived exosome (DsEXO)...