Effect of suet oil on in vivo pharmacokinetic characteristics of icariside I in extract from processed Epimedii Herba in rats Comparative Analysis of JmjC Domain-containing Proteins Reveals the Potential Histone Demethylases in Arabidopsis and Rice Molecular Identification and Expression Analysis of  GhCYP51G1 Gene,a Homologue of Obtusifoliol-14α-demethylase Gene, from Upland Cotton(Gossypium hirsutum L.) Regulation of triptolide on histone demethylase in multiple myeloma U266 cells Nicotine N-demethylase gene and its application in tobacco breeding