Schlafen family member 12-like (SLFN12L)

Schlafen family member 12-like (SLFN12L) is an intermediate member of the human Schlafen family of proteins, predicted to be membrane-associated and structurally related to the murine Slfn4 protein[1][3]. The Schlafen family is characterized by shared N-, M-, and C-terminal domains and functions in immunity, cell differentiation, and potentially cancer biology[3]. SLFN12L has been associated with the regulation of immune homeostasis, specifically influencing lymphocyte subsets such as natural killer cells[1]. During chronic Helicobacter pylori infection, SLFN12L marks a population of myeloid-derived suppressor cells migrating to the gastric mucosa and is linked to preneoplastic transformation, suggesting a role in cancer development[1][3]. Although related proteins in the Schlafen family (notably SLFN12) have recognized roles in tumor differentiation, drug resistance, and immune regulation, SLFN12L itself has not been conclusively linked to any currently targeted therapeutic pathway nor to approved or investigational drugs[3]. The specific molecular mechanisms and clinical significance of SLFN12L are not well established and remain an active area of research[1][3]. Important clarification: - "SLFN5" is not an alias for SLFN12L; it is a separate long Schlafen family member[3], and any sources treating these as identical should be disregarded as incorrect. - Humans express both intermediate (SLFN12, SLFN12L) and long (e.g., SLFN5) Schlafen proteins, but SLFN12L is always distinct from SLFN5[2][3].

Other names

Schlafen family member 12-likeSLFN12L