TGF-beta and TNF-alpha cooperatively induce mesenchymal transition of lymphatic endothelial cells via activation of Activin signals.
Lymphatic systems play important roles in the maintenance of fluid homeostasis and undergo anatomical and physiological changes during inflammation and aging. While lymphatic endothelial cells (LECs) undergo mesenchymal transition in response to transforming growth factor-β (TGF-β), the molecular me...
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doaj-84070c8c91e341078ce51265f28b25252021-03-03T21:47:54ZengPublic Library of Science (PLoS)PLoS ONE1932-62032020-01-01155e023235610.1371/journal.pone.0232356TGF-beta and TNF-alpha cooperatively induce mesenchymal transition of lymphatic endothelial cells via activation of Activin signals.Yasuhiro YoshimatsuShiori KimuroJoris PautyKazuki TakagakiSanae NomiyamaAkihiko InagawaKentaro MaedaKatarzyna A Podyma-InoueKentaro KajiyaYukiko T MatsunagaTetsuro WatabeLymphatic systems play important roles in the maintenance of fluid homeostasis and undergo anatomical and physiological changes during inflammation and aging. While lymphatic endothelial cells (LECs) undergo mesenchymal transition in response to transforming growth factor-β (TGF-β), the molecular mechanisms underlying endothelial-to-mesenchymal transition (EndMT) of LECs remain largely unknown. In this study, we examined the effect of TGF-β2 and tumor necrosis factor-α (TNF-α), an inflammatory cytokine, on EndMT using human skin-derived lymphatic endothelial cells (HDLECs). TGF-β2-treated HDLECs showed increased expression of SM22α, a mesenchymal cell marker accompanied by increased cell motility and vascular permeability, suggesting HDLECs to undergo EndMT. Our data also revealed that TNF-α could enhance TGF-β2-induced EndMT of HDLECs. Furthermore, both cytokines induced the production of Activin A while decreasing the expression of its inhibitory molecule Follistatin, and thus enhancing EndMT. Finally, we demonstrated that human dermal lymphatic vessels underwent EndMT during aging, characterized by double immunostaining for LYVE1 and SM22α. These results suggest that both TGF-β and TNF-α signals play a central role in EndMT of LECs and could be potential targets for senile edema.https://doi.org/10.1371/journal.pone.0232356 |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Yasuhiro Yoshimatsu Shiori Kimuro Joris Pauty Kazuki Takagaki Sanae Nomiyama Akihiko Inagawa Kentaro Maeda Katarzyna A Podyma-Inoue Kentaro Kajiya Yukiko T Matsunaga Tetsuro Watabe |
spellingShingle |
Yasuhiro Yoshimatsu Shiori Kimuro Joris Pauty Kazuki Takagaki Sanae Nomiyama Akihiko Inagawa Kentaro Maeda Katarzyna A Podyma-Inoue Kentaro Kajiya Yukiko T Matsunaga Tetsuro Watabe TGF-beta and TNF-alpha cooperatively induce mesenchymal transition of lymphatic endothelial cells via activation of Activin signals. PLoS ONE |
author_facet |
Yasuhiro Yoshimatsu Shiori Kimuro Joris Pauty Kazuki Takagaki Sanae Nomiyama Akihiko Inagawa Kentaro Maeda Katarzyna A Podyma-Inoue Kentaro Kajiya Yukiko T Matsunaga Tetsuro Watabe |
author_sort |
Yasuhiro Yoshimatsu |
title |
TGF-beta and TNF-alpha cooperatively induce mesenchymal transition of lymphatic endothelial cells via activation of Activin signals. |
title_short |
TGF-beta and TNF-alpha cooperatively induce mesenchymal transition of lymphatic endothelial cells via activation of Activin signals. |
title_full |
TGF-beta and TNF-alpha cooperatively induce mesenchymal transition of lymphatic endothelial cells via activation of Activin signals. |
title_fullStr |
TGF-beta and TNF-alpha cooperatively induce mesenchymal transition of lymphatic endothelial cells via activation of Activin signals. |
title_full_unstemmed |
TGF-beta and TNF-alpha cooperatively induce mesenchymal transition of lymphatic endothelial cells via activation of Activin signals. |
title_sort |
tgf-beta and tnf-alpha cooperatively induce mesenchymal transition of lymphatic endothelial cells via activation of activin signals. |
publisher |
Public Library of Science (PLoS) |
series |
PLoS ONE |
issn |
1932-6203 |
publishDate |
2020-01-01 |
description |
Lymphatic systems play important roles in the maintenance of fluid homeostasis and undergo anatomical and physiological changes during inflammation and aging. While lymphatic endothelial cells (LECs) undergo mesenchymal transition in response to transforming growth factor-β (TGF-β), the molecular mechanisms underlying endothelial-to-mesenchymal transition (EndMT) of LECs remain largely unknown. In this study, we examined the effect of TGF-β2 and tumor necrosis factor-α (TNF-α), an inflammatory cytokine, on EndMT using human skin-derived lymphatic endothelial cells (HDLECs). TGF-β2-treated HDLECs showed increased expression of SM22α, a mesenchymal cell marker accompanied by increased cell motility and vascular permeability, suggesting HDLECs to undergo EndMT. Our data also revealed that TNF-α could enhance TGF-β2-induced EndMT of HDLECs. Furthermore, both cytokines induced the production of Activin A while decreasing the expression of its inhibitory molecule Follistatin, and thus enhancing EndMT. Finally, we demonstrated that human dermal lymphatic vessels underwent EndMT during aging, characterized by double immunostaining for LYVE1 and SM22α. These results suggest that both TGF-β and TNF-α signals play a central role in EndMT of LECs and could be potential targets for senile edema. |
url |
https://doi.org/10.1371/journal.pone.0232356 |
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