Related Experiment Video
Updated: Mar 24, 2026
Analyses of Proteinuria, Renal Infiltration of Leukocytes, and Renal Deposition of Proteins in Lupus-prone MRL/lpr Mice
Published on: June 8, 2022
Understanding mechanisms of hypertension in systemic lupus erythematosus
Erin B Taylor1, Michael J Ryan2
1Department of Physiology and Biophysics, University of Mississippi Medical Center, Jackson, MS, USA.
Insights
Systemic lupus erythematosus (SLE) hypertension mechanisms are poorly understood. Research in female NZBWF1 mice reveals inflammation, autoantibodies, and oxidative stress contribute to SLE-related hypertension.
Area of Science:
- Immunology
- Nephrology
- Cardiology
Background:
- Systemic lupus erythematosus (SLE) predominantly affects women of reproductive age.
- Hypertension is a prevalent cardiovascular risk factor in SLE patients, yet its mechanisms remain unclear.
- Understanding SLE-related hypertension is crucial for managing cardiovascular complications in affected women.
Approach:
- This review synthesizes current knowledge on disease-related factors contributing to hypertension in SLE.
- It highlights studies using the female NZBWF1 mouse model, a validated spontaneous model of SLE.
- The approach focuses on inflammation, autoantibodies, sex hormones, oxidative stress, and B-cell hyperactivity.
Key Points:
- Inflammatory cytokines like tumor necrosis factor-alpha (TNF-α) play a role in SLE hypertension.
- Oxidative stress is implicated in the development of hypertension in this patient population.
- B-cell hyperactivity and autoantibody production are significant contributors to SLE pathogenesis and associated hypertension.
Conclusions:
- Multiple factors, including inflammation, oxidative stress, and immune system dysregulation, contribute to hypertension in SLE.
- The NZBWF1 mouse model effectively recapitulates key aspects of human SLE, including hypertension and renal injury.
- Further research into these mechanisms can inform targeted therapeutic strategies for SLE patients with hypertension.
Abstract:
Systemic lupus erythematosus (SLE) is a chronic autoimmune disorder that predominately affects women of reproductive age. Hypertension is an important cardiovascular risk factor that is prevalent in this patient population. Despite the high incidence of hypertension in women with SLE, the pathophysiological mechanisms underlying the development of hypertension remain poorly understood. This review will focus on disease-related factors, including inflammation, autoantibodies, and sex hormones that may contribute to hypertension in patients with SLE. In addition, we will highlight studies performed by our laboratory using the female NZBWF1 (F1 hybrid of New Zealand Black and New Zealand White strains) mouse model, a spontaneous model of SLE that mimics human disease and develops hypertension and renal injury. Specifically, using female NZBWF1 mice, we have demonstrated that multiple factors contribute to the pathogenesis of hypertension, including the inflammatory cytokine, tumor necrosis factor (TNF)-α, oxidative stress, as well as B-cell hyperactivity and autoantibody production.
Related Concept Videos
01:29Hypertension II: Pathophysiology
01:18Hypertension and Regulation of Blood Pressure
01:30Antihypertensive Drugs: Angiotensin-Converting Enzyme Inhibitors
01:33Hormonal Regulation
01:18Disorders of the Autonomic Nervous System
Raynaud's disease, also known as Raynaud's...
01:18Neural Regulation of Blood Pressure
Baroreceptor Reflex
Baroreceptors, located in the carotid sinuses and aortic arch, detect changes in blood pressure. When blood pressure rises, these stretch-sensitive receptors...