Effects of Dietary Components on Mast Cells: Possible Use as Nutraceuticals for Allergies? Did you know one single mast cell can release chemicals that affect your skin, gut, heart, brain, and immune system all at once? That's why MCAS can feel so overwhelming, the JCI 15LO1 dictates glutathione redox changes in asthmatic airway epithelium to worsen type 2 inflammation 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. Glutathione Assay Kit (GSH Assay Kit) Cayman Chemical