Abstract:
:Aldosterone (Aldo) could induce cardiac fibrosis, a hallmark of heart disease. Aldo direct effects on collagen production in cardiac fibroblasts remain controversial. Our aim is to characterize changes in the proteome of adult human cardiac fibroblasts treated with Aldo to identify new proteins altered that might be new therapeutic targets in cardiovascular diseases. Aldo increased collagens expressions in human cardiac fibroblasts. Complementary, using a quantitative proteomic approach, 30 proteins were found differentially expressed between control and Aldo-treated cardiac fibroblasts. Among these proteins, 7 were up-regulated and 23 were down-regulated by Aldo. From the up-regulated proteins, collagen type I, collagen type III, collagen type VI and S100-A11 were verified by Western blot. Moreover, protein interaction networks revealed a functional link between a third of Aldo-modulated proteome and specific survival routes. S100-A11 was identified as a possible link between Aldo and collagen. Interestingly, CRISPR/Cas9-mediated knock-down of S100-A11 blocked Aldo-induced collagen production in human cardiac fibroblasts. In adult human cardiac fibroblasts treated with Aldo, proteomic analyses revealed an increase in collagen production. S100-A11 was identified as a new regulator of Aldo-induced collagen production in human cardiac fibroblasts. These data could identify new candidate proteins for the treatment of cardiac fibrosis in cardiovascular diseases. SIGNIFICANCE:S100-A11 is identified by a proteomic approach as a novel regulator of Aldosterone-induced collagen production in human cardiac fibroblasts. Our data could identify new candidate proteins of interest for the treatment of cardiac fibrosis in cardiovascular diseases.
journal_name
J Proteomicsjournal_title
Journal of proteomicsauthors
Martínez-Martínez E,Ibarrola J,Lachén-Montes M,Fernández-Celis A,Jaisser F,Santamaría E,Fernández-Irigoyen J,López-Andrés Ndoi
10.1016/j.jprot.2017.07.011subject
Has Abstractpub_date
2017-08-23 00:00:00pages
93-100eissn
1874-3919issn
1876-7737pii
S1874-3919(17)30253-1journal_volume
166pub_type
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