Thymic Stromal Lymphopoietin (TSLP) and Th2 immunity have been extensively studies in the context of atopic diseases like asthma and atopic dermatitis (Al-Shami et al., 2005; Liu, 2006; Shikotra et al., 2012; Ziegler, 2012). The gene discussed is TSLP; the disease is asthma.