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http://purl.uniprot.org/citations/24272803http://www.w3.org/1999/02/22-rdf-syntax-ns#typehttp://purl.uniprot.org/core/Journal_Citation
http://purl.uniprot.org/citations/24272803http://www.w3.org/2000/01/rdf-schema#comment"

Background

Small Leucine Rich Proteoglycans (SLRPs) play a role in collagen fiber formation and also function as signaling molecules. Given the importance of collagen synthesis to the cardiovascular extracellular matrix (ECM), we examined the spatiotemporal expression of SLRPs, not previously investigated in the murine heart.

Results

Cardiac expression using antibodies specific for biglycan (BGN), decorin (DCN), fibromodulin (FMOD), and lumican (LUM) revealed distinct patterns among the SLRPs in mesenchymal-derived tissues. DCN showed the most intense localization within the developing valve cusps, while LUM was evident primarily in the hinge region of postnatal cardiac valves. BGN, DCN, and FMOD were immunolocalized to regions where cardiac valves anchor into adjacent tissues. Medial (BGN) and adventitial (BGN, DCN, FMOD and LUM) layers of the pulmonary and aortic arteries also showed intense staining of SLRPs but this spatiotemporal expression varied with developmental age.

Conclusions

The unique expression patterns of SLRPs suggest they have adapted to specialized roles in the cardiovascular ECM. SLRP expression patterns overlap with areas where TGFβ signaling is critical to the developing heart. Therefore, we speculate that SLRPs may not only be required to facilitate collagen fiber formation but may also regulate TGFβ signaling in the murine heart."xsd:string
http://purl.uniprot.org/citations/24272803http://purl.org/dc/terms/identifier"doi:10.1002/dvdy.24100"xsd:string
http://purl.uniprot.org/citations/24272803http://purl.uniprot.org/core/author"Kern C.B."xsd:string
http://purl.uniprot.org/citations/24272803http://purl.uniprot.org/core/author"Dupuis L.E."xsd:string
http://purl.uniprot.org/citations/24272803http://purl.uniprot.org/core/date"2014"xsd:gYear
http://purl.uniprot.org/citations/24272803http://purl.uniprot.org/core/name"Dev Dyn"xsd:string
http://purl.uniprot.org/citations/24272803http://purl.uniprot.org/core/pages"601-611"xsd:string
http://purl.uniprot.org/citations/24272803http://purl.uniprot.org/core/title"Small leucine-rich proteoglycans exhibit unique spatiotemporal expression profiles during cardiac valve development."xsd:string
http://purl.uniprot.org/citations/24272803http://purl.uniprot.org/core/volume"243"xsd:string
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