CHRM1 and chronic obstructive pulmonary disease: COPD-associated eQTLs target cholinergic pathway genes (e.g., CHRM1 and CHRM3) that have previously been implicated as important susceptibility loci for lung diseases (e.g., asthma and COPD) (Palmberg et al, 2018; Rajasekaran et al, 2019).