LymphedemaV1, Main, Exploration, bibRecord, 000324

Overexpression of Prox1 Induces the Differentiation of Human Adipose-Derived Stem Cells into Lymphatic Endothelial-Like Cells In Vitro.

Identifieur interne : 000324 ( Main/Exploration ); précédent : 000323; suivant : 000325

Overexpression of Prox1 Induces the Differentiation of Human Adipose-Derived Stem Cells into Lymphatic Endothelial-Like Cells In Vitro.

Auteurs : Jingcheng Deng ; Tingting Dai ; Yiyu Sun ; Qi Zhang ; Zhaohua Jiang ; Shengli Li ; Weigang Cao

Source :

Cellular reprogramming [ 2152-4998 ] ; 2017.

RBID : pubmed:28055225

Abstract

Constant levels of homeobox transcription factor Prox1 expression are required throughout the life of lymphatic endothelial cells (LECs) to maintain their differentiated identity. Recent studies have demonstrated that using human LECs for cell transplantation therapy may improve secondary lymphedema in a nude rat model. However, the application is currently limited by the low yield of LECs. In this study, Prox1 was overexpressed in human adipose tissue-derived stem cells (hADSCs) by using the transfection of lentiviral vectors to induce the differentiation of hADSCs to LECs. After 14 days of Prox1 overexpression, flow cytometry analysis found that the expression of LEC-specific markers such as Podoplanin and VEGFR3, along with the endothelial cell (EC) marker CD31, on Prox1-overexpressed hADSCs was significantly increased; however, the expression of mesenchymal stem cell markers, such as CD29, CD44, and CD90, was substantially reduced. In addition, the mRNA levels of the LEC-specific markers, such as Prox1, Podoplanin, LYVE1, and VEGFR3, in Prox1-overexpressed hADSCs were significantly increased at day 7 and maintained a continuously increased expression level for 28 observation days, according to real-time reverse transcriptase-polymerase chain reaction results. Western blotting and immunofluorescence staining results further confirmed that overexpression of Prox1 in hADSCs significantly increased the protein levels of Podoplanin, LYVE1, and VEGFR3, as well as those of the EC markers such as VWF and CD144, at day 14. Moreover, these differentiated cells were found to form tube-like structures in matrigel, measured by the tube formation assay. These findings suggested that overexpression of Prox1 in hADSCs successfully induced the differentiation of hADSCs into stable lymphatic endothelial-like cells. This study achieved a long-lasting expression of Prox1 in lymphatic endothelial-like cells, and it provided a potentially useful approach for developing novel therapies for limb lymphedema and lymphatic system-related diseases.

DOI: 10.1089/cell.2016.0038
PubMed: 28055225

Affiliations:

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<front><div type="abstract" xml:lang="en">Constant levels of homeobox transcription factor Prox1 expression are required throughout the life of lymphatic endothelial cells (LECs) to maintain their differentiated identity. Recent studies have demonstrated that using human LECs for cell transplantation therapy may improve secondary lymphedema in a nude rat model. However, the application is currently limited by the low yield of LECs. In this study, Prox1 was overexpressed in human adipose tissue-derived stem cells (hADSCs) by using the transfection of lentiviral vectors to induce the differentiation of hADSCs to LECs. After 14 days of Prox1 overexpression, flow cytometry analysis found that the expression of LEC-specific markers such as Podoplanin and VEGFR3, along with the endothelial cell (EC) marker CD31, on Prox1-overexpressed hADSCs was significantly increased; however, the expression of mesenchymal stem cell markers, such as CD29, CD44, and CD90, was substantially reduced. In addition, the mRNA levels of the LEC-specific markers, such as Prox1, Podoplanin, LYVE1, and VEGFR3, in Prox1-overexpressed hADSCs were significantly increased at day 7 and maintained a continuously increased expression level for 28 observation days, according to real-time reverse transcriptase-polymerase chain reaction results. Western blotting and immunofluorescence staining results further confirmed that overexpression of Prox1 in hADSCs significantly increased the protein levels of Podoplanin, LYVE1, and VEGFR3, as well as those of the EC markers such as VWF and CD144, at day 14. Moreover, these differentiated cells were found to form tube-like structures in matrigel, measured by the tube formation assay. These findings suggested that overexpression of Prox1 in hADSCs successfully induced the differentiation of hADSCs into stable lymphatic endothelial-like cells. This study achieved a long-lasting expression of Prox1 in lymphatic endothelial-like cells, and it provided a potentially useful approach for developing novel therapies for limb lymphedema and lymphatic system-related diseases.</div>
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Overexpression of Prox1 Induces the Differentiation of Human Adipose-Derived Stem Cells into Lymphatic Endothelial-Like Cells In Vitro.

Overexpression of Prox1 Induces the Differentiation of Human Adipose-Derived Stem Cells into Lymphatic Endothelial-Like Cells In Vitro.

Source :

Abstract

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