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The pathophysiology of hypertension in systemic lupus erythematosus Ryan MJAm J Physiol Regul Integr Comp Physiol 2009[Apr]; 296 (4): R1258-67Systemic lupus erythematosus (SLE) is a chronic autoimmune inflammatory disorder that predominantly affects women during their reproductive years. Although SLE can affect any organ system, the kidneys are prominently involved in the form of immune complex glomerulonephritis. In addition, in women with SLE, risk for the development of cardiovascular disease is dramatically increased. Hypertension is a major risk factor for cardiovascular disease and is highly prevalent in women with SLE. Nevertheless, there has been little exploration of the pathophysiological mechanisms that promote SLE hypertension. This review discusses the role of several mechanisms, with an emphasis on the kidney, in SLE hypertension. These mechanisms include the renin-angiotensin system, endothelin, oxidative stress, sex steroids, metabolic changes, peroxisome proliferator-activated receptor-gamma, and, perhaps most importantly, chronic inflammation and cytokines. Growing evidence suggests a link between chronic inflammation and hypertension. Therefore, elucidation of mechanisms that promote SLE hypertension may be of significant value not only for patients with SLE, but also for a better understanding of the basis for essential hypertension.|Animals[MESH]|Cytokines/metabolism[MESH]|Disease Models, Animal[MESH]|Endocrine System/physiopathology[MESH]|Endothelium, Vascular/physiopathology[MESH]|Estrogens/metabolism[MESH]|Humans[MESH]|Hypertension/etiology/metabolism/*physiopathology[MESH]|Inflammation Mediators/metabolism[MESH]|Kidney/physiopathology[MESH]|Lupus Erythematosus, Systemic/*complications/metabolism/physiopathology[MESH]|Mice[MESH]|Oxidative Stress[MESH]|Risk Factors[MESH] |
