IL10 and hypersensitivity pneumonitis: Moreover, using several mineral particles inducing different lung responses, we showed that IL-10 production in the lung of mice was up-regulated during the development of fibrosing alveolitis (FA, silica) but not in the resolutive alveolitis (RA, MnO2) or the non-inflammatory models (NI, WC) (Figure 5 A).