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:: Volume 7, Issue 4 (Int J Mol Cell Med [In press] 2018) ::
Int J Mol Cell Med 2018, 7(4): 203-211 Back to browse issues page
Human Trophoblast Progenitor Cells Express and Release Angiogenic Factors
Muge Molbay1, Dijle Kipmen-Korgun2, Gizem Korkmaz1, Murat Ozekinci3, Emin Korgun 4
1- Department of Histology and Embryology, Medical Faculty, Akdeniz University, Antalya, Turkey.
2- Department of Biochemistry, Medical Faculty, Akdeniz University, Antalya, Turkey.
3- Department of Obstetrics and Gynecology, Medical Faculty, Akdeniz University, Antalya, Turkey.
4- Department of Histology and Embryology, Medical Faculty, Akdeniz University, Antalya, Turkey. , korgun@akdeniz.edu.tr
Abstract:   (778 Views)
Trophoblast stem cells develop from polar trophoectoderm and give rise to the cells that generate the placenta. Trophoblast cells are responsible for the uterinal invasion and vascular remodeling during the implantation of the embryo. However this knowledge is not yet to be confirmed for trophoblast progenitor cells (TPCs). In this study, we aimed to demonstrate that human TPCs (hTPCs) express and release angiogenic factors for the first time. TPCs were isolated from the term placenta. Then immunophenotyping was performed by FACS method by analyzing caudal type homeobox 2 (CDX2) and eomesodermin (EOMES). Immunofluorescence staining of CDX2 and EOMES was performed on these cells. Lastly, angiogenesis-related proteins were detected by western blot and ELISA assays. The isolated cells were positive for trophoblast stem cell markers CDX2 and EOMES in 92.5% and 92.7% of cells, respectively showing the characteristics of TPCs. The investigation of vascular endothelial growth factor (VEGF), vascular endothelial growth factor receptor 1 (VEGFR1), and vascular endothelial growth factor receptor 2 (VEGFR2) at protein and mRNA level in comparison with human umblical vein endothelial cells (HUVECs),  revealed that human TPCs (hTPCs) have higher levels of VEGF and VEGFR1 transcripts. Additionally soluble forms of VEGF and VEGFR1 were detected in supernatants of hTPCs. With this information, TPCs seem to be promising for regenerative cell therapies by increasing angiogenesis.
Keywords: Trophoblast progenitor cells, angiogenic factors, CDX2, EOMES
Full-Text [PDF 622 kb]   (65 Downloads)    
Type of Study: Original Article | Subject: Stem Cell
Received: 2018/10/3 | Accepted: 2019/01/22 | Published: 2019/01/28
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Molbay M, Kipmen-Korgun D, Korkmaz G, Ozekinci M, Korgun E. Human Trophoblast Progenitor Cells Express and Release Angiogenic Factors. Int J Mol Cell Med. 2018; 7 (4) :203-211
URL: http://ijmcmed.org/article-1-941-en.html


Volume 7, Issue 4 (Int J Mol Cell Med [In press] 2018) Back to browse issues page
International Journal of Molecular and Cellular Medicine (IJMCM) International Journal of Molecular and Cellular Medicine (IJMCM)
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