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Related Experiment Videos

Interleukin-4 expression in mesangial proliferative glomerulonephritis

H Okada1, K Konishi, Y Nakazato

  • 1Department of Internal Medicine, School of Medicine, Keio University, Tokyo, Japan.

American Journal of Kidney Diseases : the Official Journal of the National Kidney Foundation
|February 1, 1994
PubMed
Summary

Interleukin-4 (IL-4) is present in human glomerulonephritis, specifically in immunoglobulin A nephropathy and lupus nephritis. These IL-4-positive cells are T lymphocytes, suggesting a role for IL-4 in kidney disease pathogenesis.

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Area of Science:

  • Immunology
  • Nephrology
  • Pathology

Background:

  • Cytokines are implicated in glomerulonephritis pathogenesis.
  • Interleukin-4 (IL-4) has been proposed as a potential factor in glomerulonephritis.

Purpose of the Study:

  • To investigate the presence and role of IL-4 in human glomerulonephritis.
  • To evaluate IL-4 expression in renal biopsy specimens.

Main Methods:

  • Immunohistochemical analysis of renal biopsy specimens.
  • Identification of IL-4-positive cells and their specific immune cell markers (CD-3, CD-4, CD-8, CD-14, CD-19, CD-56).

Main Results:

  • IL-4-positive cells, identified as CD-3 and CD-4 positive T lymphocytes, were found in glomeruli of immunoglobulin A nephropathy and lupus nephritis.

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  • No IL-4-positive cells were detected in normal kidney tissues.
  • The index of glomerular IL-4-positive cells correlated with glomerular hypercellularity.

    • Conclusions:

    • The study provides evidence for the association of IL-4 with human glomerulonephritis.
    • IL-4-producing T lymphocytes are present in affected glomeruli.
    • IL-4 may play a role in the pathogenesis of specific glomerulonephritis types.