The study characteristics including author details, publication year, population size, Tregs' characterization, Tregs' frequency, Tregs' suppressive capacity, FOXP3 levels, IL-10 levels, TGF-β levels, information on the above-mentioned parameters investigated in the skin, blood, serum, or plasma of vitiligo patients, and disease activity are mentioned in Table 1. The gene discussed is TGFB1; the disease is vitiligo.