TREM2 up showed enrichment in ‘Immune response_TSLP signaling’ (P = 3.0E‐7), ‘Th2 cytokine‐induced alternative activation of alveolar macrophages in asthma’ (P = 1.1E‐06), and ‘Immune response_IL‐4‐induced regulators of cell growth, survival, differentiation, and metabolism’ (P = 1.2E‐06). The gene discussed is TSLP; the disease is asthma.