ALOX15 and bronchopulmonary dysplasia: In addition, our previous study found that lung oxygen damage occurs in the early stage of BPD, and the oxygen stress protein arachidonic acid 15 lipoxygenase (ALOX15) is significantly up-regulated in the early stage of BPD, which catalyzes the production of oxidized low-density lipoprotein (oxLDL) (unpublished data).