Hyperhomocysteinemia and Lupus Nephritis

Area of Science:

• Nephrology
• Rheumatology
• Cardiovascular Medicine

Background:

• Systemic lupus erythematosus (SLE) involves disease-specific and traditional risk factors.
• Elevated serum homocysteine is observed in 15% of SLE patients, linked to atherothrombotic events.
• Homocysteine levels in lupus nephritis are not well-characterized.

Purpose of the Study:

• To investigate serum homocysteine levels in patients with biopsy-proven lupus nephritis.
• To determine the prevalence of elevated homocysteine in this specific patient group.

Main Methods:

• Retrospective review of patients with biopsy-proven lupus nephritis (class II-VI).
• Analysis of clinical and laboratory data, including measured homocysteine levels.
• Data collection from medical records during routine evaluation.

Main Results:

• 10 out of 15 lupus nephritis patients (66.6%) exhibited elevated homocysteine levels.
• Patients were predominantly African-American females, aged 21-68.
• Elevated homocysteine correlated with positive anti-dsDNA (5/10) and hypocomplementemia (4/10).

Conclusions:

• Patients with lupus nephritis have a significantly higher risk (66.6%) of elevated homocysteine.
• This elevation may represent a critical risk factor for cardiovascular complications in lupus nephritis.
• Further research is warranted to explore the clinical implications of hyperhomocysteinemia in lupus nephritis.