The role of hypertension in the vascular disease and myocardial infarcts associated with murine systemic lupus erythematosus.

The role of hypertension in the vascular disease and myocardial infarcts associated with murine systemic lupus erythematosus.
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高血压在与小鼠系统性红斑狼疮相关的血管疾病和心肌梗塞中的作用。

DOI:
10.1002/art.1780261106
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发表时间:
1983
影响因子:
--
通讯作者:
Dixon,FJ
Dixon,FJ
中科院分区:
--
文献类型:
--
作者:
Hang,L;Stephens-Larson,P;Henry,JP;Dixon,FJ

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几种自发发展为急性系统性红斑狼疮(SLE)的小鼠--BXSB雄性、MRL/I雄性和雌性,以及(NZB X W)F1雌性--有15%-20%的退行性血管疾病(DVD)和心肌梗死(MI)的发生率,其中受影响的冠脉含有免疫反应物的沉积,推测是以免疫复合体的形式存在的。在SLE小鼠的F1杂交组合中,只有(NZW×BXSB)F1、(W×B)F1雄性小鼠的DVD/MI发生率显著较高(80%)。对心肌梗死高发病率的可能原因的搜索揭示了这种小鼠的几个独特特征:高血压、血小板增多、循环免疫复合体和肾小球肾炎的早期发病。我们预防这种DVD/MI的努力主要集中在:降低高血压、预防血栓形成和免疫抑制。环磷酰胺的免疫抑制几乎完全预防了SLE疾病和DVD/MI。服用降压和抗心律失常药Bretylium可降低血压,减轻肾小球肾炎、DVD和MI;肾炎、DVD和MI的严重程度;也可轻微降低循环免疫复合体水平和白细胞增多。在所使用的4种抗血栓药物中,只有阿司匹林能降低DVD/MI的发生率和延缓肾小球肾炎相关的死亡率。
The several kinds of mice that spontaneously develop acute systemic lupus erythematosus (SLE)—BXSB males, MRL/I males and females, and (NZB x W)F1females—have a 15–20% incidence of degenerative vascular disease (DVD) and myocardial infarcts (MI) in which the affected coronaries contain deposits of immunoreactants, presumably in the form of immune complexes. Among the F1hybrid crosses of SLE mice, only the (NZW x BXSB)F1, (W x B)F1male has a significantly higher incidence of DVD/MI (80%). Search for possible causes of this high incidence of myocardial infarcts revealed several unique features of this mouse: hypertension, thrombocytosis, and early onset of circulating immune complexes and glomerulonephritis. Our attempts to prevent this DVD/MI focused on: reduction of hypertension, prevention of thrombosis, and immunosuppression. Immunosuppression by Cytoxan resulted in almost complete prevention of both the SLE disease and DVD/MI. Administration of bretylium, an antihy‐pertensive and anti‐arrhythmic agent, resulted in reduction of blood pressure and the severities of glomerulonephritis, DVD, and MI; phritis, DVD, and MI; it also slightly reduced the levels of circulating immune complexes and leukocytosis. Of the 4 antithrombotic agents used, only aspirin showed some reduction in the incidence of DVD/MI and delay of glomerulonephritis‐associated mortality.
DOI: 10.1084/jem.149.5.1099
发表时间: 1979-05-01
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