LON peptidase N-terminal domain and RING finger protein 1 (LONRF1)

LON peptidase N-terminal domain and RING finger protein 1 (LONRF1) is a ubiquitously expressed protein in mammals distinguished by the presence of a RING finger domain and a LON substrate-binding domain[1][3]. Although detailed biochemical functions of LONRF1 remain unclear, transcriptomic evidence shows it is expressed broadly, with high levels in testis and also in macrophages (Kupffer cells), sinusoidal endothelial cells, hepatocytes, and fibroblasts. LONRF1 appears to contribute to protein homeostasis, oxidative stress response, tissue remodeling after injury (such as wound healing), and the regulation of lipid metabolism by facilitating anti-inflammatory and antioxidant responses in certain cell types. It does not appear to induce cellular senescence and has not been implicated as a direct therapeutic target or molecular biomarker in major human diseases. Its expression is regulated in response to cellular context, such as aging and wound repair, with transcriptomic data suggesting roles in peptidase activity regulation, cell growth, and tissue repair, but so far, LONRF1 is not known to be pharmacologically targeted nor clinically actionable as a drug target[1][3]. LONRF1 is not a well-established therapeutic target, receptor, or enzyme for direct pharmacological intervention, and there are no known interacting drugs or clinical biomarkers described as of this writing[1][3]. There is also no indication of the entry being misspelled or otherwise incorrect[2][3].

Other names

LONRF1RNF191FLJ23749RING finger protein 191