Therapeutic and diagnostic domain 1 beta2GP1 polypeptides and methods of using same
申请人:Marquis M. David
公开号:US20050004351A1
公开(公告)日:2005-01-06
The present invention provides domain 1 β
2
GPI polypeptides, polynucleotides encoding these polypeptides, mimetics of these polypeptides, and methods using domain 1 β
2
GPI polypeptides and mimetics. Domain 1 of β
2
GPI has been shown to bind to anti-cardiolipin (β
2
GPI-dependent antiphospholipid) antibodies, which are associated with several pathologies, such as thrombosis and fetal loss. The domain 1 β
2
GPI polypeptides may be used to detect β
2
GPI-dependent antiphospholipid antibodies in a sample. The invention further provides methods of inducing tolerance using these domain 1 β
2
GPI polypeptides.
本发明提供了1区β2GPI多肽、编码这些多肽的多核苷酸、这些多肽的类似物以及使用1区β2GPI多肽和类似物的方法。已经证明β2GPI的1区能够结合抗心磷脂(β2GPI依赖性抗磷脂抗体),这些抗体与多种病理学如血栓形成和胎儿流产有关。1区β2GPI多肽可用于检测样品中的β2GPI依赖性抗磷脂抗体。本发明还提供了使用这些1区β2GPI多肽诱导耐受的方法。