Apolipoprotein L5 (APOL5)

Apolipoprotein L5 (APOL5) is a cytoplasmic protein belonging to the apolipoprotein L family, encoded within a gene cluster on chromosome 22[1][2][3][6][7]. APOL5 shares structural similarities with other APOL proteins (such as amphipathic alpha-helices), but has a more restricted tissue expression, with notable expression in the placenta and potentially specialized roles in lipid biochemistry[1]. Its primary molecular role is implicated in the movement of lipids within the cytoplasm and binding of lipids to organelles[2][3][7]. Functional studies indicate that, unlike some other APOL family members, APOL5 does not induce cytolysis but can insert into membranes under certain electrical and pH conditions to form cation-selective ion channels, suggesting roles in membrane dynamics and possibly in innate immunity[1]. Genetic studies suggest candidate associations with neuropsychiatric subtypes, such as specific forms of schizophrenia; however, its direct functional involvement in disease or as a therapeutic target remains unsubstantiated[1].

Other names

APOL-VAPOLVApoL-VApolipoprotein L-V