論文

査読有り
2000年

An anti-CD5 monoclonal antibody ameliorates proteinuria and glomerular lesions in rat mesangioproliferative glomerulonephritis

Kidney International
  • Yohei Ikezumi
  • ,
  • Hiroshi Kawachi
  • ,
  • Shinichi Toyabe
  • ,
  • Makoto Uchiyama
  • ,
  • Fujio Shimizu

58
1
開始ページ
100
終了ページ
114
記述言語
英語
掲載種別
研究論文(学術雑誌)
DOI
10.1046/j.1523-1755.2000.00145.x
出版者・発行元
Blackwell Publishing Inc.

Background: Increased numbers of lymphocytes have been identified in biopsy specimens of human mesangial proliferative glomerulonephritis (GN). However, the causal relationship between infiltrating T lymphocytes and mesangial changes in mesangial proliferative GN has not been previously evaluated. In this study, we elucidated the role of lymphocytes in the development of mesangial proliferative GN. Method: Immunohistological and flow cytometric analyses as well as a reverse transcription-polymerase chain reaction (RTPCR) studies were performed in monoclonal antibody (mAb) 1-22-3- induced Thy 1.1 GN. To elucidate the role of these lymphocytes, depletion studies were carried out using anti-CD8 mAb (OX-8), which depletes both CD8+ T lymphocytes and natural killer (NK) cells and anti-CD5 mAb (OX-19), which depletes both CD4+ and CD8+ T lymphocytes. Results: Immunofluorescence (IF) studies revealed that NK cells and CD4+ T lymphocytes were recruited into glomeruli. Glomerular mRNA expression for interferon-γ interleukin-2 (IL-2), IL-10, and perforin increased after induction of GN. Increased expressions of several chemokines, which have the potential to attract lymphocytes, were also detected. Anti-CD8 mAb treatment completely prevented the recruitment of NK cells: however, it had no protective effect on proteinuria and mesangial injury. By contrast, anti-CD5 mAb treatment suppressed the recruitment of CD4+ T lymphocytes into glomeruli and reduced proteinuria (60.4 ± 25.7 vs. 120.0 ± 32.3 mg/day, P &lt
0.05) and mesangial changes evaluated by total number of cells in glomeruli (63.2 ± 6.0 vs. 81.4 ± 5.9, P &lt
0.01) and α- smooth muscle actin staining score (1.4 ± 0.2 vs. 2.2 ± 0.4, P &lt
0.01) on day 14 after induction of GN. mRNA expression for IL-2 was significantly reduced by OX-19 treatment. Conclusion: T lymphocytes participate in the development of mesangial proliferative GN.

リンク情報
DOI
https://doi.org/10.1046/j.1523-1755.2000.00145.x
PubMed
https://www.ncbi.nlm.nih.gov/pubmed/10886554
ID情報
  • DOI : 10.1046/j.1523-1755.2000.00145.x
  • ISSN : 0085-2538
  • PubMed ID : 10886554
  • SCOPUS ID : 0033935786

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