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http://purl.uniprot.org/citations/34906192http://www.w3.org/1999/02/22-rdf-syntax-ns#typehttp://purl.uniprot.org/core/Journal_Citation
http://purl.uniprot.org/citations/34906192http://www.w3.org/2000/01/rdf-schema#comment"

Background

Thoracic aortic aneurysm and dissection (TAAD) is a hidden-onset but life-threatening disorder with high clinical variability and genetic heterogeneity. In recent years, an increasing number of genes have been identified to be related to TAAD. However, some genes remain uncertain because of limited case reports and/or functional studies. LTBP3 was such an ambiguous gene that was previously known for dental and skeletal dysplasia and then noted to be associated with TAAD. More research on individuals or families harboring variants in this gene would be helpful to obtain full knowledge of the disease and clarify its association with TAAD.

Methods

A total of 266 TAAD probands with no causative mutations in known genes had been performed wholeexome sequencing (WES) to identify potentially pathogenic variants. In this study, rare LTBP3 variants were the focus of analysis.

Results

Two compound heterozygous mutations, c.625dup (p.Leu209fs) and c.1965del (p.Arg656fs), in LTBP3 were identified in a TAAD patient along with short stature and dental problems, which was the first TAAD case with biallelic LTBP3 null mutations in an Asian population. Additionally, several rare heterozygous LTBP3 variants were also detected in other sporadic TAAD patients.

Conclusion

The identification of LTBP3 mutations in TAAD patients in our study provided more clinical evidence to support its association with TAAD, which broadens the gene spectrum of LTBP3. LTBP3 should be considered to be incorporated into the routine genetic analysis of heritable aortopathy, which might help to fully understand its phenotypic spectrum and improve the diagnostic rate of TAAD."xsd:string
http://purl.uniprot.org/citations/34906192http://purl.org/dc/terms/identifier"doi:10.1186/s13023-021-02143-2"xsd:string
http://purl.uniprot.org/citations/34906192http://purl.uniprot.org/core/author"Chen Q."xsd:string
http://purl.uniprot.org/citations/34906192http://purl.uniprot.org/core/author"Luo M."xsd:string
http://purl.uniprot.org/citations/34906192http://purl.uniprot.org/core/author"Zhang Y."xsd:string
http://purl.uniprot.org/citations/34906192http://purl.uniprot.org/core/author"Zhou Z."xsd:string
http://purl.uniprot.org/citations/34906192http://purl.uniprot.org/core/author"Yang H."xsd:string
http://purl.uniprot.org/citations/34906192http://purl.uniprot.org/core/author"Zhu G."xsd:string
http://purl.uniprot.org/citations/34906192http://purl.uniprot.org/core/author"Zhang Y.'"xsd:string
http://purl.uniprot.org/citations/34906192http://purl.uniprot.org/core/author"Zhao K."xsd:string
http://purl.uniprot.org/citations/34906192http://purl.uniprot.org/core/author"Shu C."xsd:string
http://purl.uniprot.org/citations/34906192http://purl.uniprot.org/core/date"2021"xsd:gYear
http://purl.uniprot.org/citations/34906192http://purl.uniprot.org/core/name"Orphanet J Rare Dis"xsd:string
http://purl.uniprot.org/citations/34906192http://purl.uniprot.org/core/pages"513"xsd:string
http://purl.uniprot.org/citations/34906192http://purl.uniprot.org/core/title"Novel LTBP3 mutations associated with thoracic aortic aneurysms and dissections."xsd:string
http://purl.uniprot.org/citations/34906192http://purl.uniprot.org/core/volume"16"xsd:string
http://purl.uniprot.org/citations/34906192http://www.w3.org/2004/02/skos/core#exactMatchhttp://purl.uniprot.org/pubmed/34906192
http://purl.uniprot.org/citations/34906192http://xmlns.com/foaf/0.1/primaryTopicOfhttps://pubmed.ncbi.nlm.nih.gov/34906192
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