Mast cell Wikipedia Mast cells are hypersensitive immune cells that release histamine and other inflammatory mediatorsoften in response to oxidative stress, environmental toxins, and immune imbalance. Many patients with MCAS have low levels of glutathione. Interplay of oxidative stress and neuroinflammation in alzheimer's: insights into age driven pathogenesis Inflammopharmacology Springer Nature Link Recruitment or activation of mast cells in the liver aggravates the accumulation of fibrosis in carbon tetrachloride induced liver injury ScienceDirect Mast Cell Activation Syndrome San Diego Naturopathic Doctor & IV Therapy