Golgin A8 family member S (GOLGA8S)

Golgin A8 family member S (GOLGA8S) is a largely uncharacterized protein predicted to be involved in Golgi apparatus organization, acting as a tether for vesicle trafficking and maintaining Golgi structural integrity[2][1]. The golgin family proteins typically adopt extended coiled-coil conformations, projecting into the cytoplasm to facilitate membrane tethering. GOLGA8S and related family members (e.g., GOLGA8N) are human-specific duplicons on chromosome 15q13.3, with multiple nearly identical copies and high instability in this region, making detailed molecular study challenging[1]. GOLGA8 proteins are mainly localized to the *trans*-Golgi network and inner plasma membrane, showing minor presence in other organelles like endosomes or lysosomes[1][2]. Overexpression of golgin A8 proteins increases the uptake and intracellular activity of antisense oligonucleotides (ASOs), suggesting a role in vesicle-mediated transport that may impact RNA-targeting therapeutics[1]. There is limited information about directly targeting GOLGA8S in a therapeutic context, no known drugs interact with this protein, and its primary literature role is as a modulator of cellular uptake mechanisms rather than a classic therapeutic target such as a receptor, enzyme, or transporter[1][2]. Much current research describes broader *GOLGA8* family, sometimes using GOLGA8N or other highly similar members interchangeably due to near-identical sequences[1].

Other names

Golgin subfamily A member 8SGOLGA8S