一、前列腺素与结缔组织疾病和变态反应前列腺素(PG)是由花生四烯酸生成的代谢产物,至今已鉴定了20余种衍生物。这些物质具有各种不同的活性,对血压的升降,血管和支气管的舒缩等,多起拮抗性作用。依其作用,将这些物质列如表1。这些物质见于所有的脏器,并以肺、胃、肝、脑、脾、子宫、肾脏含量为多,血小板、肥大细胞、巨噬细胞的含量也较多。 First, prostaglandin and connective tissue disease and allergy Prostaglandin (PG) is a metabolite produced by arachidonic acid, so far has identified more than 20 kinds of derivatives. These substances have a variety of different activities, the rise and fall of blood pressure, blood vessels and bronchial contraction and contraction, etc., play a more antagonistic role. According to their role, these substances are listed in Table 1. These substances are found in all organs, and lung, stomach, liver, brain, spleen, uterus, kidney content is more, platelets, mast cells, macrophages content is also more.