RTEL1 and idiopathic pulmonary fibrosis: Recently, variants in more than 10 telomere biology-related genes have been proved can promote the risk of IPF overtly, such as telomerase reverse transcriptase (TERT), telomerase RNA component (TERC), dyskerin (DKC1), regulator of telomere elongation helicase 1 (RTEL1) et al. (Allen et al. 2020; Revy et al. 2023).