Journal
INTERNATIONAL JOURNAL OF MEDICAL SCIENCES
Volume 20, Issue 3, Pages 329-345Publisher
IVYSPRING INT PUBL
DOI: 10.7150/ijms.80358
Keywords
Familial idiopathic pulmonary fibrosis; Sporadic idiopathic pulmonary fibrosis; Telomerase-associated gene; Mucin 5B; Surfactant-related gene
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This article systematically summarizes the genetic mechanisms of familial idiopathic pulmonary fibrosis (f-IPF), revealing the genetic variations and susceptibility related to the disease. It contributes to a better understanding of IPF pathogenesis and facilitates early detection.
Idiopathic pulmonary fibrosis (IPF) is a severe interstitial lung disease; although the recent introduction of two anti-fibrosis drugs, pirfenidone and Nidanib, have resulted in a significant reduction in lung function decline, IPF is still not curable. Approximately 2-20% of patients with IPF have a family history of the disease, which is considered the strongest risk factor for idiopathic interstitial pneumonia. However, the genetic predispositions of familial IPF (f-IPF), a particular type of IPF, remain largely unknown. Genetics affect the susceptibility and progression of f-IPF. Genomic markers are increasingly being recognized for their contribution to disease prognosis and drug therapy outcomes. Existing data suggest that genomics may help identify individuals at risk for f-IPF, accurately classify patients, elucidate key pathways involved in disease pathogenesis, and ultimately develop more effective targeted therapies. Since several genetic variants associated with the disease have been found in f-IPF, this review systematically summarizes the latest progress in the gene spectrum of the f-IPF population and the underlying mechanisms of f-IPF. The genetic susceptibility variation related to the disease phenotype is also illustrated. This review aims to improve the understanding of the IPF pathogenesis and facilitate his early detection.
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