A membrane transporter is required for steroid hormone uptake in Drosophila. Dev Cell. PubMed ID: 30293839 Summary:. Steroid ... Drosophila E78 and E75 fall in the same subclass as Rat Reverb alpha and beta, and C. elegans "CNR-14." Drosophila HR3 is in ... and a prolyl hydroxylase. Thus, this study identified multiple new genetic regulators modulated at the level of transcription ... The reproductive capacity and steroid hormone levels were not improved and the steroid signaling pathway was not activated in ...