ALB and Hermansky-Pudlak syndrome: Moreover, at 3 dpi, the lungs of mice orally pretreated with live LGG or heat-killed LGG exhibited reduced numbers of inflammatory cells and infiltration area, along with more intact alveolar structures (Fig 2C), HPS was lower compared to control mice (Fig 2D), and both live LGG and heat-killed LGG treatments decreased LDH activity, total protein, and albumin levels in M. pneumoniae infected mice (Fig 2E).