For example, Xie et al. found that IFN-γ produced by T lymphocytes near vitiligo skin lesions promotes HSP70i expression [20], and Peng et al. found elevated levels of IL-8, IL-6, TNF-α, IFN-γ, and IL-1β in vitiligo mouse skin [4]. The gene discussed is IL1B; the disease is vitiligo.