Journal of Nanobiotechnology (2024) 22:294 https://doi.org/10.1186/s12951-024-02558-6 Journal of Nanobiotechnology RESEARCH Open Access MmnemO2barannde roveflsuimcleilsasmt‑iltoigaadteedepxproebriimoteicntal colitis by synergistically augmenting cAMP in macrophage Chengjun Song1, Jiamin...