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http://purl.uniprot.org/citations/35941419http://www.w3.org/1999/02/22-rdf-syntax-ns#typehttp://purl.uniprot.org/core/Journal_Citation
http://purl.uniprot.org/citations/35941419http://www.w3.org/2000/01/rdf-schema#comment"

Background

Coronary artery disease (CAD), is the leading cause of mortality and morbidity worldwide. Tenascin-C (TNC) with high expression levels in inflammatory and cardiovascular diseases, leads to the rupture of atherosclerotic plaques. The origin of plaque destabilization can be associated to endothelial dysfunction. Given the high prevalence of CAD, finding valuable biomarkers for its early detection is of great interest. Using serum samples from patients with CAD and individuals without CAD, we assessed the efficacy of TNC expression levels in serum exosomes and during endothelial cell differentiation as a noninvasive biomarker of CAD.

Methods

TNC expression was analyzed using the RNA-sequencing data sets of 6 CAD and 6 normal samples of blood exosomes and endothelial differentiation transitions. Additionally, TNC expression was investigated in the serum samples of patients with CAD and individuals without CAD via qRT-PCR. ROC curve analysis was employed to test the suitability of TNC expression alterations as a CAD biomarker.

Results

TNC exhibited higher expression in the exosomes of the CAD samples than in those of the non-CAD samples. During endothelial differentiation, TNC expression was upregulated and then consistently downregulated in mature endothelial cells. Moreover, TNC was significantly upregulated in the serum of the CAD group (P = 0.02), with an AUC of 0.744 for the expression level (95% confidence interval, 0.582 to 0.907; P = 0.011). Hence its expression level can be discriminated CAD from non-CAD samples.

Discussion

Our study is the first to confirm that altered TNC expression is associated with pathological CAD conditions in Iranian patients. The expression of TNC is involved in endothelial differentiation and CAD development. Accordingly, TNC can serve as a valuable noninvasive biomarker with potential application in CAD diagnosis."xsd:string
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http://purl.uniprot.org/citations/35941419http://purl.uniprot.org/core/author"Mowla S.J."xsd:string
http://purl.uniprot.org/citations/35941419http://purl.uniprot.org/core/author"Maleki M."xsd:string
http://purl.uniprot.org/citations/35941419http://purl.uniprot.org/core/author"Malakootian M."xsd:string
http://purl.uniprot.org/citations/35941419http://purl.uniprot.org/core/author"Zahedmehr A."xsd:string
http://purl.uniprot.org/citations/35941419http://purl.uniprot.org/core/author"Gholipour A."xsd:string
http://purl.uniprot.org/citations/35941419http://purl.uniprot.org/core/author"Shakerian F."xsd:string
http://purl.uniprot.org/citations/35941419http://purl.uniprot.org/core/author"Oveisee M."xsd:string
http://purl.uniprot.org/citations/35941419http://purl.uniprot.org/core/date"2022"xsd:gYear
http://purl.uniprot.org/citations/35941419http://purl.uniprot.org/core/name"Mol Biol Rep"xsd:string
http://purl.uniprot.org/citations/35941419http://purl.uniprot.org/core/pages"9267-9273"xsd:string
http://purl.uniprot.org/citations/35941419http://purl.uniprot.org/core/title"Tenascin-C as a noninvasive biomarker of coronary artery disease."xsd:string
http://purl.uniprot.org/citations/35941419http://purl.uniprot.org/core/volume"49"xsd:string
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