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Human Molecular Genetics and the long road to treating cystic fibrosis.

ABSTRACT: The causative gene in cystic fibrosis (CF) was identified in 1989, 3 years before the publication of the first issue of Human Molecular Genetics. The cystic fibrosis transmembrane conductance regulator (CFTR) gene was among the first underlying a common inherited disorder to be cloned, and hence, its subsequent utilization toward a cure for CF provides a roadmap for other monogenic diseases. Over the past 30 years, the advances that built upon knowledge of the gene and the CFTR protein to develop effective therapeutics have been remarkable, and yet, the setbacks have also been challenging. Technological progress in other fields has often circumvented the barriers. This review focuses on key aspects of CF diagnostics and current approaches to develop new therapies for all CFTR mutations. It also highlights the major research advances that underpinned progress toward treatments and considers the remaining obstacles.

SUBMITTER: Harris A

PROVIDER: S-EPMC8490019 | biostudies-literature | 2021 Oct

REPOSITORIES: biostudies-literature

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Human Molecular Genetics and the long road to treating cystic fibrosis.

Harris Ann A

Human molecular genetics 20211001 R2

The causative gene in cystic fibrosis (CF) was identified in 1989, 3 years before the publication of the first issue of Human Molecular Genetics. The cystic fibrosis transmembrane conductance regulator (CFTR) gene was among the first underlying a common inherited disorder to be cloned, and hence, its subsequent utilization toward a cure for CF provides a roadmap for other monogenic diseases. Over the past 30 years, the advances that built upon knowledge of the gene and the CFTR protein to develo ...[more]

PMID: 34245257

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Project description:Idiopathic pulmonary fibrosis (IPF) is a severe progressive interstitial lung disease with a prevalence of 2 to 29 per 100,000 of the world's population. Aging is a significant risk factor for IPF, and the mechanisms of aging (telomere depletion, genomic instability, mitochondrial dysfunction, loss of proteostasis) are involved in the pathogenesis of IPF. The pathogenesis of IPF consists of TGF-β activation, epithelial-mesenchymal transition, and SIRT7 expression decrease. Genetic studies have shown a role of mutations and polymorphisms in mucin genes (MUC5B), in the genes responsible for the integrity of telomeres (TERC, TERC, TINF2, DKC1, RTEL1, PARN), in surfactant-related genes (SFTPC, SFTPCA, SFTPA2, ABCA3, SP-A2), immune system genes (IL1RN, TOLLIP), and haplotypes of HLA genes (DRB1*15:01, DQB1*06:02) in IPF pathogenesis. The investigation of the influence of reversible epigenetic factors on the development of the disease, which can be corrected by targeted therapy, shows promise. Among them, an association of a number of specific microRNAs and long noncoding RNAs was revealed with IPF. Therefore, dysregulation of transposons, which serve as key sources of noncoding RNA and affect mechanisms of aging, may serve as a driver for IPF development. This is due to the fact that pathological activation of transposons leads to violation of the regulation of genes, in the epigenetic control of which microRNA originating from these transposons are involved (due to the complementarity of nucleotide sequences). Analysis of the MDTE database (miRNAs derived from Transposable Elements) allowed the detection of 12 different miRNAs derived in evolution from transposons and associated with IPF (miR-31, miR-302, miR-326, miR-335, miR-340, miR-374, miR-487, miR-493, miR-495, miR-630, miR-708, miR-1343). We described the relationship of transposons with TGF-β, sirtuins and telomeres, dysfunction of which is involved in the pathogenesis of IPF. New data on IPF epigenetic mechanisms can become the basis for improving results of targeted therapy of the disease using noncoding RNAs.

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Human Molecular Genetics and the long road to treating cystic fibrosis.

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Human Molecular Genetics and the long road to treating cystic fibrosis.

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