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Activating autoantibodies against the AT1-receptor in vascular disease

Item Type:Article
Title:Activating autoantibodies against the AT1-receptor in vascular disease
Creators: Dechend, R. ORCID logoORCID: https://orcid.org/0000-0001-6636-3080, Dragun, D., Herse, F. ORCID logoORCID: https://orcid.org/0000-0002-9305-8134, Riemekasten, G., Schulze-Forster, K., Mueller, D.N. ORCID logoORCID: https://orcid.org/0000-0003-3650-5644 and Heidecke, H.
Abstract:Activating autoantibodies to the angiotensin II type I receptor (AT1-AA) have been described in different vascular diseases: preeclampsia, non HLA-mediated transplantat rejection and systemic sclerosis. All three diseases are characterised by severe obliterative, inflammatory vasculopathy with a prominent autoimmune background. AT1-AA were described 12 years ago in preeclampsia. Preeclampsia is a common, pregnancy- induced disorder, consisting of hypertension and proteinuria in the last trimester. The condition is one of the leading causes for maternal and perinatal morbidity and mortality. An observation of a patient with transplant rejection without HLA antibodies and a preeclampsia in her medical history, let to the discovery of AT1-AA in these patients. Until then we relied on a subjective, time consuming bioassay to detect AT1-AA. The establishment and validation of a cell-based ELISA facilitated research on AT1-AA immensely. Recently, AT1-AA were found in patients with systemic sclerosis.
Keywords:AT1-Receptor, AT1-AA, Preeclampsia, Transplant Rejection, Systemic Sclerosis
Source:Transplantationsmedizin
ISSN:0946-9648
Publisher:Pabst Science Publishers
Volume:24
Number:1
Page Range:20-26
Date:2012

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