Abstract
Coulter flow cytometry was used to determine glucocorticoid receptors (GCR) in the peripheral blood cells of patients with nephrotic syndrome. The expression of GCR in the lymphocytes (CD3/GCR) and monocytes (CD14/GCR) of peripheral blood of 23 (age 4.9±2.7 years) children with steroid-sensitive nephrotic syndrome was assessed before treatment (proteinuria >50 mg/kg per 24 h), after 4–6 weeks of prednisone treatment, without proteinuria, and in remission, without proteinuria and without any treatment. Before treatment the expression of CD3/GCR was 61.8±18.3% and CD14/GCR 43.6.8±20.3%; this did not differ from the results of the normal control group (P>0.05). However, after treatment GCR expression in lymphocytes was 50% (P<0.001) and in monocytes about 20% lower (P<0.05). In remission, the GCR expression increased and did not differ from the results before treatment (P>0.05). A positive correlation between the serum cortisol concentration and the expression of CD3/GCR was found (r=0.504, P=0.02). In summary, we report that in children with steroid-sensitive nephrotic syndrome, prednisone treatment causes the temporary decrease of the expression of GCR in lymphocytes. A positive correlation between GCR expression and serum cortisol was found. A decrease in GCR expression in monocytes did not correlate with cortisol concentration.
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Wasilewska, A., Zoch-Zwierz, W., Tomaszewska, B. et al. Expression of glucocorticoid receptors in mononuclear cells in nephrotic syndrome. Pediatr Nephrol 18, 778–782 (2003). https://doi.org/10.1007/s00467-003-1177-2
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DOI: https://doi.org/10.1007/s00467-003-1177-2