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Cystic fibrosis carriers are at increased risk for a wide range of cystic fibrosis-related conditions.

ABSTRACT: Autosomal recessive diseases, such as cystic fibrosis (CF), require inheritance of 2 mutated genes. However, some studies indicate that CF carriers are at increased risk for some conditions associated with CF. These investigations focused on single conditions and included small numbers of subjects. Our goal was to determine whether CF carriers are at increased risk for a range of CF-related conditions. Using the Truven Health MarketScan Commercial Claims database (2001-2017), we performed a population-based retrospective matched-cohort study. We identified 19,802 CF carriers and matched each carrier with 5 controls. The prevalence of 59 CF-related diagnostic conditions was evaluated in each cohort. Odds ratios for each condition were computed for CF carriers relative to controls. All 59 CF-related conditions were more prevalent among carriers compared with controls, with significantly increased risk (P < 0.05) for 57 conditions. Risk was increased for some conditions previously linked to CF carriers (e.g., pancreatitis, male infertility, bronchiectasis), as well as some conditions not previously reported (e.g., diabetes, constipation, cholelithiasis, short stature, failure to thrive). We compared our results with 23,557 subjects with CF, who were also matched with controls; as the relative odds of a given condition increased among subjects with CF, so did the corresponding relative odds for carriers (P < 0.001). Although individual-level risk remained low for most conditions, because there are more than 10 million carriers in the US, population-level morbidity attributable to the CF carrier state is likely substantial. Genetic testing may inform prevention, diagnosis, and treatment for a broad range of CF carrier-related conditions.

SUBMITTER: Miller AC

PROVIDER: S-EPMC6983448 | biostudies-literature | 2020 Jan

REPOSITORIES: biostudies-literature

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Cystic fibrosis carriers are at increased risk for a wide range of cystic fibrosis-related conditions.

Miller Aaron C AC Comellas Alejandro P AP Hornick Douglas B DB Stoltz David A DA Cavanaugh Joseph E JE Gerke Alicia K AK Welsh Michael J MJ Zabner Joseph J Polgreen Philip M PM

Proceedings of the National Academy of Sciences of the United States of America 20191227 3

Autosomal recessive diseases, such as cystic fibrosis (CF), require inheritance of 2 mutated genes. However, some studies indicate that CF carriers are at increased risk for some conditions associated with CF. These investigations focused on single conditions and included small numbers of subjects. Our goal was to determine whether CF carriers are at increased risk for a range of CF-related conditions. Using the Truven Health MarketScan Commercial Claims database (2001-2017), we performed a popu ...[more]

PMID: 31882447

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Project description:ObjectiveThe occurrence of liver fibrosis and fibrosis-related liver cancer is the reason for the increase in morbidity and mortality worldwide. Transforming growth factor-β2 (TGF-β2) is an important mediator of chronic liver fibrosis. This study aims to find the molecular mechanism that mediates HBV infection and induces TGF-β2 and verifies that CREB binding protein acetylation mediates HBV infection and induces TGF-β2 expression.MethodsThe acetylated proteins were extracted from HepG2-NTCP cells and HBV-infectedHepG2-NTCP cells. The acetylated proteins were screened by modification enrichment technology and database search. Protein annotation, motif analysis of modification sites, and protein function enrichment analysis of these proteins were performed to roughly clarify the location and function of these acetylated modification proteins in cells. Acylated proteins enriched in the TGF-β pathway were obtained by KEGG pathway enrichment analysis. The effect of the selected acetylated modification protein on the TGF-β pathway was verified by experiments, that is, the target protein gene was knocked out by siRNA, and the expression level of the TGF-β2 was detected by qRT-PCR.ResultsProteins were extracted from HepG2-NTCP cells and HepG2-NTCP cells infected with HBV, and differential acetylation modification proteins were screened. The target protein CREB binding protein was screened by modification enrichment technology and database search. The aggregation analysis of TGF-β pathway showed that CREB binding protein was acetylated at amino acid positions 434 and 439, and enriched in the TGF-β signaling pathway. siRNA targeting CREB binding protein was transfected, and the expression of TGF-β2 in cells was detected by qRT-PCR and western blot, respectively. It was verified that HBV infection-inducedCREB-binding protein acetylation regulated the high expression of TGF-β2.ConclusionAfter HBV infection, CREBBP acetylation was up-regulated, which promoted the high expression of TGF-β2.

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Cystic fibrosis carriers are at increased risk for a wide range of cystic fibrosis-related conditions.

Publications

Cystic fibrosis carriers are at increased risk for a wide range of cystic fibrosis-related conditions.

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