Abstract
The Special Issue Diamine Oxidase Deficiency: Prevalence, consequences, and solutions brings together a series of groundbreaking studies that explore the role of four single-nucleotide polymorphisms (SNPs) (rs10156191, rs1049742, rs1049793, and rs2052129) of the Diamine Oxidase (DAO) across various medical conditions, with a special focus on its influence on histamine metabolism [...].