Adiponectin is increased and correlated with the degree of proteinuria, but plasma leptin is not changed in patients with chronic glomerulonephritis.
2009
SUMMARY
Aim: Altered regulation of adiponectin and leptin may be relevant to endothelial dysfunction and cardiovascular complications in patients with chronic glomerulonephritis.
Methods: The relationship between the levels of plasma adiponectin, leptin and proteinuria, glomerular filtration rate and metabolic risk factors was investigated in 38 patients with chronic glomerulonephritis.
Results: Plasma adiponectin was much higher in patients with heavy proteinuria (38.8 ± 27.8 µg/mL) than in patients with mild proteinuria (13.3 ± 5.1 µg/mL, P < 0.001) and with moderate proteinuria (18.1 ± 8.0 µg/mL, P < 0.01). The levels of serum leptin were not changed among these groups. Proteinuria and lipoprotein(a) were a strong and direct correlate of plasma adiponectin (r = 0.75, P < 0.0001), while serum albumin and the glomerular filtration rate correlated inversely with this protein (r = −0.56, P = 0.0002; r = 0.38, P = 0.02). Body mass index and triglyceride were direct correlates (r = 0.37, P = 0.02 and r = 0.37, P = 0.02, respectively) of plasma leptin in patients with glomerulonephritis.
Conclusions: Plasma adiponectin but not plasma leptin levels correlate with proteinuria in patients with chronic glomerulonephritis.
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