Low Ethanol Concentrations Promote Endothelial Progenitor Cell Capacity and Reparative Function
Lars Brodowski1,2, Bianca Schröder-Heurich1, Berina Kipke1,2
1Gynecology Research Unit, Hannover Medical School, Carl-Neuberg-Strasse 1, D-30625 Hannover, Germany.
Cardiovascular Therapeutics
|October 12, 2020
Summary
Moderate ethanol intake enhances endothelial progenitor cell (EPC) function, improving their migration, proliferation, and tube formation. This suggests a potential vasoprotective role for low-dose ethanol in cardiovascular health.
Area of Science:
- Cardiovascular Research
- Cell Biology
- Pharmacology
Background:
- Endothelial progenitor cells (EPCs) are crucial for repairing injured endothelium and regenerating blood vessels.
- Moderate ethanol consumption is linked to reduced atherosclerosis and increased progenitor cell mobilization.
- EPCs play a key role in cardiovascular health and function.
Purpose of the Study:
- To investigate the impact of low-dose ethanol on the functional characteristics of endothelial colony-forming cells (ECFCs), a proliferative EPC subtype.
Main Methods:
- In vitro assays were used to assess ECFC migration, proliferation, and tube formation.
- Flow cytometry analyzed cell surface molecules involved in ECFC intercommunication.
- ELISA measured the expression of (anti-)angiogenic molecules.
Main Results:
- Low ethanol concentrations significantly promoted ECFC migration, proliferation, and tubule formation.
- Ethanol enhanced the expression of VE-cadherin, a key cell-cell adhesion molecule.
- Ethanol did not affect the expression of (anti-)angiogenic molecules.
Conclusions:
- Moderate ethanol concentrations improve the angiogenic potential of EPCs.
- Ethanol's enhancement of ECFC function may contribute to vasoprotection and cardiovascular health.
More Related Videos
Related Concept Videos
Regulation of Angiogenesis and Blood Supply
3.1K
Rapidly dividing tumors, embryos, and wounded tissues require more oxygen than usual, lowering the oxygen concentration in the blood. At low oxygen or hypoxic conditions, an oxygen-sensitive transcription factor called the hypoxia-inducible factor 1 or HIF1 is activated. HIF1 is a dimeric protein of alpha (ɑ) and beta (β) subunits. Under optimal oxygen conditions, HIF1β is present in the nucleus while HIF1ɑ remains in the cytosol. HIF1ɑ is hydroxylated by prolyl...
3.1K
Liver Regeneration
4.0K
The liver is an important organ in vertebrates that plays an essential role in metabolism. It is also responsible for storing and redistributing nutrients such as carbohydrates, fats, and vitamins in the body. Additionally, the liver releases bile salts which are critical for digesting food and eliminating toxic metabolites from the body.
Cells of Liver
The liver comprises four major types of cells— hepatocytes, stellate, Kupffer, and sinusoidal endothelial cells. The hepatocytes are...
Cells of Liver
The liver comprises four major types of cells— hepatocytes, stellate, Kupffer, and sinusoidal endothelial cells. The hepatocytes are...
4.0K
Tissue Renewal without Stem Cells
2.0K
After cellular or tissue damage, the resident stem cells present in the human body can locally repair and regenerate the damaged tissue or organ. However, even though some tissues do not have stem cells, they can repair and regenerate with the help of pre-existing cells. For example, beta cells of the pancreas and hepatocytes of the liver can divide to renew and regenerate the tissue. Here, both cell division and cell death are well regulated by homeostasis.
However, failure of such a system...
However, failure of such a system...
2.0K


