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Review
. 2022 Sep;39(7):595-606.
doi: 10.1016/j.rmr.2022.03.011. Epub 2022 Jun 14.

[Telomeres and lung]

[Article in French]
C Guérin  1 , B Crestani  2 , C Dupin  2 , L Kawano-Dourado  3 , I Ba  4 , C Kannengiesser  4 , R Borie  2
Affiliations
Review

[Telomeres and lung]

[Article in French]
C Guérin et al. Rev Mal Respir. 2022 Sep.

Abstract

Genetic studies of familial forms of interstitial lung disease (ILD) have led to the discovery of telomere-related gene (TRG) mutations (TERT, TERC, RTEL1, PARN, DKC1, TINF2, NAF1, NOP10, NHP2, ACD, ZCCH8) in approximately 30% of familial ILD forms. ILD patients with TRG mutation are also subject to extra-pulmonary (immune-hematological, hepatic and/or mucosal-cutaneous) manifestations. TRG mutations may be associated not only with idiopathic pulmonary fibrosis (IPF), but also with non-IPF ILDs, including idiopathic and secondary ILDs, such as hypersensitivity pneumonitis (HP). The presence of TRG mutation may also be associated with an accelerated decline of forced vital capacity (FVC) or poorer prognosis after lung transplantation, notwithstanding which, usual ILD treatments may be proposed. Lastly, patients and their relatives are called upon to reduce their exposure to environmental lung toxicity, and are likely to derive benefit from specific genetic counseling and pre-symptomatic genetic testing.

Keywords: Fibrose pulmonaire; Genetic; Génétique; Hepato-pulmonary syndrome; Interstitial lung disease; Myelodysplasia; Myélodysplasie; Pneumopathie interstitielle diffuse; Pulmonary fibrosis; Syndrome hepato-pulmonaire; Transplantation.

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