Pleckstrin homology domain-containing family S member 1 (PLEKHS1)

Pleckstrin homology domain-containing family S member 1 (PLEKHS1) is a protein encoded by the human PLEKHS1 gene on chromosome 10, and is a member of the pleckstrin homology domain protein family. The protein contains a pleckstrin homology (PH) domain, a structural motif involved in membrane localization and potential protein-protein/lipid interactions. Although its explicit biological function is not fully understood, research suggests that PLEKHS1 may play a role in the regulation of insulin sensitivity and glucose metabolism, and act as an activator and effector of Class IA PI3K signaling pathways, especially in contexts such as prostate tissues deficient in PTEN. Somatic mutations and altered expression of PLEKHS1 have been observed in certain cancers, suggesting a possible association with cancer pathogenesis, though it is not established as a direct therapeutic target, biomarker, or druggable protein at present. No approved drugs or pharmaceutical modulators are directly known to interact with PLEKHS1, and its utility as a therapeutic target or clinical biomarker remains to be clarified. Currently, PLEKHS1 is characterized as a protein involved in intracellular signaling regulation with emerging, context-dependent links to metabolic and oncological disease processes.

Other names

C10orf81HEL185bA211N11.2FLJ23537PH domain-containing family S member 1hEL185epididymis luminal protein 185epididymis secretory sperm binding proteinpleckstrin homology domain containing S1PKHS1