T2-Low Asthma, also known as type 2 low endotype, is related to t2-high asthma and asthma. An important gene associated with T2-Low Asthma is TSLP (Thymic Stromal Lymphopoietin), and among its related pathways/superpathways are Innate Immune System and ERK Signaling. Affiliated tissues include neutrophil, and related phenotypes are homeostasis/metabolism and immune system