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Comparison of therapeutic efficacy between bortezomib and combination treatment of predinisolone and mycophenolate mofetil on nephritis in NZB/WF1 mice


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CER567
2010 Vol.28, N°3
PI 0393, PF 0396
Brief Papers

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PMID: 20497633 [PubMed]

Received: 12/08/2009
Accepted : 08/01/2010
In Press: 23/06/2010
Published: 23/06/2010

Abstract

OBJECTIVES:
We investigated the efficacy of bortezomib on nephritis in NZB/WF1 mice, and compared it to prednisolone (PL) and mycophenolate mofetil (MMF) treatment.
METHODS:
Twenty-three NZB/WF1 mice were divided into four groups (untreated, 0.1 mg/kg and 1 mg/kg bortezomib-treated, and PL plus MMF-treated). Proteinuria, glomerular IgG deposition, cellular proliferation and histologic damages were evaluated.
RESULTS:
In comparison with the untreated mice, 1 mg/kg bortezomib significantly reduced proteinuria and attenuated glomerular IgG deposition, cellular proliferation and histologic damages similar to PL plus MMF. 0.1 mg/kg bortezomib significantly improved glomerular IgG deposition and histologic damages except proteinuria or cellular proliferation compared to untreated mice. PL plus MMF showed significantly greater inhibition of cellular proliferation and histologic damage than 1 mg/kg bortezomib.
CONCLUSIONS:
We found that 1 mg/kg bortezomib significantly improved lupus nephritis in NZB/WF1 mice. However, its efficacy did not exceed PL plus MMF treatment.

Rheumatology Article