Dysbiosis involving methionine and PPAR-γ pathwaysis associated with early onset atopic dermatitis and food allergy
Atopic dermatitis (AD) and food allergy (FA) often originate early in life. Gut microbiota interactions with the host immune system influence allergy development, yet the distinct gut microbiome and functional profiles in individuals with AD, FA, or both AD+FA remain underexplored.