Z Geburtshilfe Neonatol 2024; 228(04): 346-354
DOI: 10.1055/a-2282-9007
Original Article

Effects of Hyperglycemia on Angiogenesis in Human Placental Endothelial Cells

Turkan Yanik
1   Histology and Embryology, Akdeniz University Faculty of Medicine, Antalya, Turkey
,
Ertan Katirci
2   Histology and Embryology, Ahi Evran University Faculty of Medicine, Kirsehir, Turkey
,
Mehmet Simsek
3   Obstetrics And Gynaecology, Akdeniz University Faculty of Medicine, Antalya, Turkey
,
Emin Turkay Korgun
1   Histology and Embryology, Akdeniz University Faculty of Medicine, Antalya, Turkey
,
Dijle Kipmen-Korgun
4   Department Of Medical Biochemistry, Akdeniz University Faculty of Medicine, Antalya, Turkey
› Author Affiliations
Funding Information Türkiye Bilimsel ve Teknolojik Araştırma Kurumu — http://dx.doi.org/10.13039/501100004410; 105S418

Abstract

The placenta is a temporary organ that provides communication between the mother and fetus. Maternal diabetes and abnormal placental angiogenesis may be linked. We investigated the angiogenesis mechanism resulting from VEGF and glucose stimulation in PECs obtained from human term placenta. Immunohistochemistry was performed to characterize PECs obtained from human term placenta. D-glucose was added to the medium containing PECs to establish normoglycemic and hyperglycemic conditions. The expression levels of VEGF, VEGFR-1 and VEGFR-2 genes and proteins in PECs from the control and experimental groups were analyzed by RT-PCR and Western blotting, respectively. With 48-hours incubation, gene expressions increased due to hyperglycemia, while protein levels increased due to the combined effect of VEGF and hyperglycemia. While VEGFR-2 gene expression and protein amounts increased in 24-hours due to the combined effect of VEGF and hyperglycemia, the effect of VEGF stimulation and glucose level on VEGFR-2 decreased in 48-hour incubation with time. VEGF, VEGFR-1 and VEGFR-2 genes and proteins were affected by hyperglycemic conditions in PECs. Hyperglycemia occurring in various conditions such as gestational diabetes mellitus and diabetes mellitus may affect VEGF, VEGFR-1 and VEGFR-2 genes and proteins of PECs derived from human term placenta.



Publication History

Received: 08 February 2024

Accepted: 27 February 2024

Article published online:
13 May 2024

© 2024. Thieme. All rights reserved.

Georg Thieme Verlag KG
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