APOH

apolipoprotein H

Summary

Apolipoprotein H, also known as beta-2-glycoprotein I, is a component of circulating plasma lipoproteins. It has been implicated in a variety of physiologic pathways including lipoprotein metabolism, coagulation, hemostasis, and the production of antiphospholipid autoantibodies. APOH may be a required cofactor for anionic phospholipid binding by the antiphospholipid autoantibodies found in sera of many patients with lupus and primary antiphospholipid syndrome (APS). The anti-beta (2) glycoprotein I antibodies from APS patients, mediate inhibition of activated protein C which has anticoagulant properties. Because beta-2-GPI is the main autoantigen in patients with APS, the disruption of this pathway by autoantibodies may be an important mechanism for thrombosis in patients with APS.[provided by RefSeq, Dec 2019]

Known Variants38 total

rsidPosition (GRCh37)AllelesClassClinVar
rs78027763517:64,208,291G/Auncertain significance
rs180168917:64,210,580A/Gmissense variant
rs76583663817:64,210,633C/Tuncertain significance
rs76435204117:64,210,695A/Cuncertain significance
rs78109893517:64,210,748T/Cuncertain significance
rs458117:64,210,757C/Abenign
rs122862624717:64,210,762C/Auncertain significance
rs251197351717:64,213,038A/Guncertain significance
rs817885417:64,214,270A/T
rs721247717:64,215,845A/Gintron variant
rs75964046917:64,216,692G/Auncertain significance
rs76767102217:64,216,694C/Guncertain significance
rs37132185517:64,216,732C/Tuncertain significance
rs128634018317:64,216,768C/Tuncertain significance
rs11445990217:64,216,797G/Tbenign
rs817892517:64,216,799T/Cbenign
rs207339234317:64,216,809T/Cuncertain significance
rs817884717:64,216,815C/Tbenign
rs7503719917:64,217,535A/G
rs817884317:64,218,607C/G
rs230237717:64,219,835C/Tbenign
rs126703067017:64,219,857G/Auncertain significance
rs18998093817:64,219,876C/Tlikely benign
rs11808817417:64,221,453C/Tintron variant
rs14344840517:64,222,136A/Cbenign
rs37347026317:64,222,170G/Tuncertain significance
rs251198079417:64,222,227A/Guncertain significance
rs37378639517:64,222,242G/Tuncertain significance
rs11750827817:64,223,169T/Cintron variant
rs1695897917:64,223,859C/Tintron variant
rs13822588717:64,224,155T/Cbenign
rs5577221417:64,224,220C/Abenign
rs135017635317:64,224,257T/Cuncertain significance
rs39812462917:64,224,267T/Cmissense variantpathogenic
rs66617:64,224,271C/Tsynonymous variant
rs817882417:64,224,775C/Tintron variant
rs817890117:64,225,426G/Abenign
rs1186741017:64,227,363T/Cregulatory region variant

Gene information from NCBI Gene. Variant classifications from ClinVar.