“…15,16 However, platelets, dendritic cells (DCs), T cells, and even microbes can also express histidine decarboxylase following a stimulation by cytokines, including IL-1, IL-3, IL-12, IL-18, granulocyte-macrophage colony-stimulating factor, macrophage colony-stimulating factor, and TNF-α. 13,17,18 Only MCs and basophils are capable of storing large quantities of histamine. Other cell types such as DCs and lymphocytes do not store histamine intracellularly but the synthesis is followed by an immediate secretion.…”