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Cholesterol Efflux Assay
Published on: March 6, 2012
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SGLT2 Inhibitors May Restore Endothelial Barrier Interrupted by 25-Hydroxycholesterol
Agnieszka Pawlos1, Marlena Broncel1, Ewelina Woźniak1
1Laboratory of Tissue Immunopharmacology, Department of Internal Diseases and Clinical Pharmacology, Medical University of Lodz, 91-347 Lodz, Poland.
Molecules (Basel, Switzerland)
|February 11, 2023
Summary
Sodium-glucose cotransporter-2 (SGLT2) inhibitors enhance endothelial integrity and VE-cadherin levels, protecting against damage from 25-hydroxycholesterol. These findings highlight SGLT2 inhibitors
Area of Science:
- Cardiovascular Science
- Endothelial Biology
- Pharmacology
Background:
- Endothelial integrity is vital for cardiovascular homeostasis.
- 25-hydroxycholesterol (25-OHC) is a proatherogenic compound that compromises endothelial barrier function.
- Sodium-glucose cotransporter-2 (SGLT2) inhibitors are glucose-lowering drugs with emerging cardiovascular benefits.
Purpose of the Study:
- To investigate the impact of SGLT2 inhibitors on endothelial cell integrity.
- To determine if SGLT2 inhibitors protect against 25-OHC-induced endothelial damage.
- To assess the association between SGLT2 inhibitor treatment and VE-cadherin levels.
Main Methods:
- Human umbilical vein endothelial cells (HUVECs) were exposed to 25-OHC.
- Cells were subsequently treated with empagliflozin, canagliflozin, or dapagliflozin.
- Endothelial integrity was measured using the xCELLigence system, and VE-cadherin levels were assessed via confocal microscopy.
Main Results:
- SGLT2 inhibitors significantly improved endothelial integrity compared to control groups.
- SGLT2 inhibitors counteracted the detrimental effects of 25-OHC on endothelial cells.
- Treatment with SGLT2 inhibitors led to significant improvements in VE-cadherin levels.
Conclusions:
- SGLT2 inhibitors, including empagliflozin, canagliflozin, and dapagliflozin, demonstrate a protective effect on endothelial cell integrity.
- These drugs mitigate endothelial damage induced by 25-OHC.
- The beneficial effects of SGLT2 inhibitors on endothelial integrity are linked to improved VE-cadherin levels.
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