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Urinary tumor necrosis factor levels in primary glomerulopathies
S Ozen1, U Saatci, K Tinaztepe
1Department of Pediatric Nephrology, Hacettepe University Faculty of Medicine, Ankara, Turkey.
Nephron
|January 1, 1994
Summary
Urinary tumor necrosis factor-alpha (TNF) is elevated in proliferative glomerulonephritis, indicating its potential role in kidney inflammation. Levels were not significantly different in nonproliferative conditions compared to controls.
Area of Science:
- Nephrology
- Immunology
- Biochemistry
Background:
- Glomerulonephritis encompasses a group of kidney diseases characterized by inflammation of the glomeruli.
- Tumor necrosis factor-alpha (TNF) is a pro-inflammatory cytokine implicated in various inflammatory conditions.
Purpose of the Study:
- To investigate the role of urinary tumor necrosis factor-alpha (TNF) in different types of glomerulonephritis.
- To correlate urinary TNF levels with disease activity and proteinuria in proliferative glomerulopathies.
Main Methods:
- Measurement of urinary TNF levels in patients with nonproliferative glomerulopathies, proliferative glomerulopathies, and healthy controls.
- Comparison of TNF levels across different patient groups and correlation with clinical parameters.
Main Results:
- Urinary TNF levels were significantly higher in patients with proliferative glomerulonephritis compared to nonproliferative glomerulonephritis and controls.
- Urinary TNF levels showed significant correlations with proteinuria and clinical activity scores in active proliferative glomerulonephritis.
- Low urinary TNF levels were observed in patients with chronic membranous glomerulonephritis and those in remission.
Conclusions:
- Urinary TNF may serve as a biomarker for active inflammation in proliferative glomerulonephritis.
- TNF is potentially implicated in the pathogenesis of glomerular inflammation in proliferative glomerulopathies.