ITGB4 and vitiligo: Our result revealed a lower expression pattern of ITGA3, ITGA6, ITGB1, and ITGB4 in vitiligo lesions, which is consistent with a former study by Adriane Reichert Faria demonstrating a significant reduction in integrin expression in vitiligo skin and claiming the contribution of integrin deficiency in the adhesion impairment in vitiligo [19].