Arylsulfatase family member J (ARSJ)

Arylsulfatase family member J (ARSJ) is an enzyme encoded by the ARSJ gene that belongs to the sulfatase (ARS) family. Sulfatases, including ARSJ, hydrolyze sulfate esters in a broad spectrum of biological substrates such as steroids, carbohydrates, proteoglycans, and glycolipids. These reactions are crucial for hormone biosynthesis, regulation of cell signaling, and the breakdown of complex macromolecules. ARSJ is a protein-coding gene expressed in various tissues, and it has been implicated in inherited diseases such as Rett syndrome, congenital variant, and tympanosclerosis. Bioinformatic analyses suggest ARSJ may be regulated by microRNAs involved in TGFβ signaling pathways relevant to triple-negative breast cancer, but direct functional studies are lacking. The protein is mainly classified as an enzymatic hydrolase and is located in the extracellular region of cells. No direct evidence is available regarding approved drugs interacting with ARSJ, nor specific safety or biomarker recommendations have been established. Current data affirm its role as a valid enzyme target, but further research may be necessary to fully characterize disease interactions and therapeutic applications.

Other names

Arylsulfatase JASJUNQ372/PRO708FLJ23548ARSJarylsulfatase J

Drugs or compounds targeting ARSJ would likely act as inhibitors or modulators of sulfatase activity (hydrolysis of sulfate esters)