Plexaura is a genus of gorgonian-type octocorals in the family Plexauridae.

Under laboratory conditions prostaglandin A2 was able to inhibit enzymes present in some cancer cells.

[2] Treatment with prostaglandin A2 was also found to have major benefits for lung endothelial cells.

Increasing recovery rates, decreasing inflammation and enhancing the endothelial cell barrier.

[3] This compound may have the potential to help people suffering from a respiratory infection recover quicker and easier with less chance of another infection due to the strengthening of the endothelial cell barrier.