SUCNR1 Is Expressed in Human Placenta and Mediates Angiogenesis: Significance in Gestational Diabetes
Abstract
:1. Introduction
2. Results
2.1. Succinate, SUCNR1 Expression and VEGF Are Upregulated in Gestational Diabetic Placentas
2.2. Endothelial Cells in Human Placenta Express SUCNR1
2.3. SUCNR1 Is Expressed on and within HUVECs
2.4. Succinate Induces Proliferation but not Apoptosis of HUVECs
2.5. Succinate Enhances the Chemotactic Mobility, Wound Healing and Sprouting of HUVECs
2.6. Succinate Boosts VEGF Gene Expression and Release in HUVECs
2.7. Succinate Induces Capillary like Structures as well as VEGF Gene Expression in FpECAs
2.8. Knockdown of SUCNR1 Reverses the Angiogenic Phenotype of HUVECs in Response to Succinate
3. Discussion
4. Materials and Methods
4.1. Cell Culture
4.2. ISH and Immunofluorescence Microscopy of Tissue Sections
4.3. Immunohistochemistry of Tissue Sections
4.4. Immunofluorescence Microscopy of FPECs/HUVECs
4.5. Flow Cytometry Surface and Intracellular Staining of SUCNR1 in HUVECs
4.6. Western Blot
4.7. Apoptosis Assay
4.8. JC-1 Staining
4.9. Flow Cytometric Staining of p-ERK1/2
4.10. EdU Proliferation Assay
4.11. Real-Time Polymerase Chain Reaction (RT-PCR)
4.12. Enzyme-Linked Immunosorbent Assay (ELISA)
4.13. Transwell Migration Assay
4.14. Scratch Wound Healing Assay
4.15. Succinate Measurement
4.16. Tube Formation Fibrin Angiogenesis Assay
4.17. Spheroid Sprouting Angiogenesis Assay
4.18. Small Interfering (SiRNA) Transfection
4.19. Statistical Analysis
Supplementary Materials
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Acknowledgments
Conflicts of Interest
References
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PN (n = 9) | GDM (n = 7) | p Value | |
---|---|---|---|
Gestational age (Weeks) | 38.1 ± 0.9 | 38.8 ± 0.8 | ns |
BMI before pregnancy | 22.9 ± 2.8 | 26.8 ± 4.8 | ns |
Other pregnancy complications | None | None |
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Atallah, R.; Gindlhuber, J.; Platzer, W.; Bärnthaler, T.; Tatzl, E.; Toller, W.; Strutz, J.; Rittchen, S.; Luschnig, P.; Birner-Gruenberger, R.; et al. SUCNR1 Is Expressed in Human Placenta and Mediates Angiogenesis: Significance in Gestational Diabetes. Int. J. Mol. Sci. 2021, 22, 12048. https://doi.org/10.3390/ijms222112048
Atallah R, Gindlhuber J, Platzer W, Bärnthaler T, Tatzl E, Toller W, Strutz J, Rittchen S, Luschnig P, Birner-Gruenberger R, et al. SUCNR1 Is Expressed in Human Placenta and Mediates Angiogenesis: Significance in Gestational Diabetes. International Journal of Molecular Sciences. 2021; 22(21):12048. https://doi.org/10.3390/ijms222112048
Chicago/Turabian StyleAtallah, Reham, Juergen Gindlhuber, Wolfgang Platzer, Thomas Bärnthaler, Eva Tatzl, Wolfgang Toller, Jasmin Strutz, Sonja Rittchen, Petra Luschnig, Ruth Birner-Gruenberger, and et al. 2021. "SUCNR1 Is Expressed in Human Placenta and Mediates Angiogenesis: Significance in Gestational Diabetes" International Journal of Molecular Sciences 22, no. 21: 12048. https://doi.org/10.3390/ijms222112048