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Updated: Jul 1, 2026

Analyses of Proteinuria, Renal Infiltration of Leukocytes, and Renal Deposition of Proteins in Lupus-prone MRL/lpr Mice
Published on: June 8, 2022
[The kidneys and antiphospholipid syndrome]
1Katedra i Klinika Reumatologii i Układowych Chorób Tkanki Łacznej, Akademia Medyczna, Lublin. maria.majdan@am.lublin.pl
Antiphospholipid syndrome (APS) frequently causes kidney problems, ranging from hypertension to chronic kidney disease. The link between antiphospholipid antibodies and the severity of kidney disease, particularly in connective tissue diseases, requires further investigation.
Area of Science:
- Nephrology
- Rheumatology
- Immunology
Context:
- Kidney involvement is a common clinical manifestation in Antiphospholipid Syndrome (APS).
- Renal manifestations in APS present with diverse clinical pictures, including hypertension, nephritic/nephrotic syndrome, and chronic kidney disease.
- The correlation between antiphospholipid antibody (aPL) levels and nephropathy progression, especially within connective tissue diseases, is not clearly established.
Purpose:
- To discuss the intricate relationship between Antiphospholipid Syndrome (APS), antiphospholipid antibodies (aPL), and the development of nephropathy.
- To review the spectrum of renal manifestations observed in APS patients.
- To explore the potential links and discrepancies between aPL presence and kidney disease advancement in APS.
Summary:
- Clinical data indicate frequent kidney involvement in Antiphospholipid Syndrome (APS), manifesting as hypertension, nephritic/nephrotic syndromes, and chronic kidney disease.
- A direct correlation between antiphospholipid antibody (aPL) levels and the advancement of nephropathy, particularly in associated connective tissue diseases, remains unclear.
- This paper examines the complex associations between APS, aPL, and renal pathology.
Impact:
- Highlights the significant renal impact of APS, underscoring the need for vigilant nephrological monitoring in affected individuals.
- Provides a comprehensive overview of renal manifestations in APS, aiding clinicians in diagnosis and management.
- Emphasizes the ongoing research questions regarding the specific role of aPL in driving APS-related nephropathy, particularly in the context of systemic autoimmune diseases.
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