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Updated: Jul 12, 2026

Analyses of Proteinuria, Renal Infiltration of Leukocytes, and Renal Deposition of Proteins in Lupus-prone MRL/lpr Mice
Published on: June 8, 2022
Lipocalin-2, TWEAK, and other cytokines as urinary biomarkers for lupus nephritis
Noa Schwartz1, Jennifer S Michaelson, Chaim Putterman
1Division of Rheumatology, Albert Einstein College of Medicine, Bronx, NY 10461, USA.
Abstract:
Lupus nephritis (LN) is a major cause of morbidity and mortality in systemic lupus erythematosus (SLE). As the course of LN is often unpredictable, it is important to identify reliable, noninvasive methods to repeatedly assess the condition of the kidneys in these patients. Urinary biomarkers are easily obtained and probably are best at reflecting the current renal status, as they specifically represent local inflammatory activity. In this article, we review a number of potential urinary biomarkers, including Lipocalin-2, MCP-1, IP-10, IL-6, and IL-8. Additionally, we provide evidence for the possible utility of the novel cytokine TWEAK as a urinary biomarker for LN.
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