As they are known to have an increased risk of developing hematopoietic malignancies correlating with the severity of their dermatitis [27], [28], [29], we analyzed serum from AD patients and found 2 out of 4 patients had increased TSLP levels (50 and 57 pg/ml compared to undetectable levels in all controls). The gene discussed is TSLP; the disease is dermatitis.