The team found that the allergic reactions caused cells to produce more prostaglandins, a type of hormone.
该小组发现过敏反应导致细胞产生更多的前列腺素，这是一种激素。
英语百科
Prostaglandin-A1 Delta-isomerase
（重定向自Prostaglandin A1）
In enzymology, a prostaglandin-A1 Delta-isomerase (EC5.3.3.9) is an enzyme that catalyzes the chemical reaction
Hence, this enzyme has one substrate, (13E)-(15S)-15-hydroxy-9-oxoprosta-10,13-dienoate (Prostaglandin A1 or PGA1), and one product, (13E)-(15S)-15-hydroxy-9-oxoprosta-11,13-dienoate (Prostaglandin C1).