Cardiac Microvascular Endothelial Cells in Pressure Overload-Induced Heart Disease.
ADAMTS Proteins
/ genetics
Aged
Animals
Aorta
Aortic Valve Stenosis
/ genetics
Collagen Type I
/ genetics
Collagen Type I, alpha 1 Chain
Constriction, Pathologic
Coronary Vessels
/ metabolism
Disease Models, Animal
Endothelial Cells
/ metabolism
Extracellular Matrix Proteins
/ genetics
Fatty Acids
/ metabolism
Female
Gene Expression Profiling
Heart Atria
/ metabolism
Heart Valve Prosthesis Implantation
Heart Ventricles
/ metabolism
Humans
Male
Mice
Mice, Transgenic
Microvascular Density
Microvessels
/ metabolism
Procollagen
/ metabolism
Proline
/ metabolism
Pyrophosphatases
/ genetics
Reverse Transcriptase Polymerase Chain Reaction
Sequence Analysis, RNA
Thrombospondins
/ genetics
constriction
endothelial cells
heart failure
mice
phenotype
Journal
Circulation. Heart failure
ISSN: 1941-3297
Titre abrégé: Circ Heart Fail
Pays: United States
ID NLM: 101479941
Informations de publication
Date de publication:
01 2021
01 2021
Historique:
entrez:
19
1
2021
pubmed:
20
1
2021
medline:
27
7
2021
Statut:
ppublish
Résumé
Chronic pressure overload predisposes to heart failure, but the pathogenic role of microvascular endothelial cells (MiVEC) remains unknown. We characterized transcriptional, metabolic, and functional adaptation of cardiac MiVEC to pressure overload in mice and patients with aortic stenosis (AS). In In mice, transverse aortic constriction induced progressive systolic dysfunction, fibrosis, and reduced microvascular density. After 10 weeks, 25 genes predominantly involved in matrix-regulation were >2-fold upregulated in isolated MiVEC. Increased transcript levels of Pressure overload induces major transcriptional and metabolic adaptations in cardiac MiVEC resulting in excess interstitial fibrosis and impaired angiogenesis. Molecular rewiring of MiVEC is worse in women, compromises functional status, and identifies novel targets for intervention.
Sections du résumé
BACKGROUND
Chronic pressure overload predisposes to heart failure, but the pathogenic role of microvascular endothelial cells (MiVEC) remains unknown. We characterized transcriptional, metabolic, and functional adaptation of cardiac MiVEC to pressure overload in mice and patients with aortic stenosis (AS).
METHODS
In
RESULTS
In mice, transverse aortic constriction induced progressive systolic dysfunction, fibrosis, and reduced microvascular density. After 10 weeks, 25 genes predominantly involved in matrix-regulation were >2-fold upregulated in isolated MiVEC. Increased transcript levels of
CONCLUSIONS
Pressure overload induces major transcriptional and metabolic adaptations in cardiac MiVEC resulting in excess interstitial fibrosis and impaired angiogenesis. Molecular rewiring of MiVEC is worse in women, compromises functional status, and identifies novel targets for intervention.
Identifiants
pubmed: 33464950
doi: 10.1161/CIRCHEARTFAILURE.120.006979
doi:
Substances chimiques
Adamtsl2 protein, mouse
0
Collagen Type I
0
Collagen Type I, alpha 1 Chain
0
Extracellular Matrix Proteins
0
Fatty Acids
0
Procollagen
0
Thrombospondins
0
thrombospondin 4
0
Proline
9DLQ4CIU6V
ADAMTS Proteins
EC 3.4.24.-
CILP protein, mouse
EC 3.6.1.-
Pyrophosphatases
EC 3.6.1.-
Types de publication
Journal Article
Research Support, Non-U.S. Gov't
Langues
eng
Sous-ensembles de citation
IM