Tiago Justo
MODULATION OF CELL SIGNALLING AND SULFATION IN CARDIOVASCULAR DEVELOPMENT AND DISEASE
Justo, Tiago; Martiniuc, Antonie; Dhoot, Gurtej K
Authors
Antonie Martiniuc
Gurtej K Dhoot
Abstract
Sulf1/Sulf2 genes are highly expressed during early fetal cardiovascular development but down-regulated during later stages correlating with a number of cell signalling pathways in a positive or a negative manner. Immunocytochemical analysis confirmed SULF1/SULF2 expression not only in endothelial cell lining of
blood vessels but also in the developing cardiomyocytes but not in the adult cardiomyocytes despite persisting at reduced levels in the adult endothelial cells. The levels of both SULFs in adult ischemic human hearts and in murine hearts following coronary occlusion increased in endothelial lining of some regional blood vessels but with little or no detection in the cardiomyocytes. Unlike the normal adult heart, the levels of SULF1 and SULF2 were markedly increased in the adult canine right-atrial haemangiosarcoma correlating with increased TGFβ cell signalling. Cell signalling relationship to ischaemia was further confirmed by in vitro hypoxia of HMec1 endothelial cells demonstrating dynamic changes in not only vegf and its receptors but also sulfotransferases and Sulf1 & Sulf2 levels. In vitro hypoxia of HMec1 cells also confirmed earlier up-regulation of TGFβ cell signalling revealed by Smad2, Smad3, ALK5 and TGFβ1 changes and later down-regulation correlating with Sulf1 but not Sulf2 highlighting Sulf1/Sulf2 differences in endothelial cells under
hypoxia.
Citation
Justo, T., Martiniuc, A., & Dhoot, G. K. (in press). MODULATION OF CELL SIGNALLING AND SULFATION IN CARDIOVASCULAR DEVELOPMENT AND DISEASE. 3D Research, https://doi.org/10.1038/s41598-021-01629-0
Journal Article Type | Article |
---|---|
Acceptance Date | Oct 26, 2021 |
Online Publication Date | Nov 10, 2021 |
Deposit Date | Nov 2, 2021 |
Publicly Available Date | Dec 9, 2022 |
Journal | Scientific Reports |
Print ISSN | 2092-6731 |
Publisher | Springer Verlag |
Peer Reviewed | Peer Reviewed |
DOI | https://doi.org/10.1038/s41598-021-01629-0 |
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