CCR7 and asthma: One such variant is rs112401631 (chr17:40608272:T:A), a fine-mapped variant for asthma (PIP = 0.27) that colocalizes with an eQTL chr17:40600717:G (PP.H4 = 0.9022; coloc23) linked to CCR7 gene in the lymphoblastoid cell line23,24.