The renal metallothionein expression profile is altered in human lupus nephritis
2008

Changes in Metallothionein Expression in Lupus Nephritis

Sample size: 37 publication Evidence: moderate

Author Information

Author(s): Faurschou Mikkel, Penkowa Milena, Andersen Claus Bøgelund, Starklint Henrik, Jacobsen Søren

Primary Institution: The National University Hospital, Rigshospitalet

Hypothesis

The renal metallothionein expression profile is altered during lupus nephritis.

Conclusion

Lupus nephritis is associated with significant alterations in renal metallothionein expression, which can provide important prognostic information.

Supporting Evidence

  • 31 out of 37 lupus nephritis specimens showed altered metallothionein expression.
  • A tubular MT score below the median was a significant predictor of poor renal outcome.
  • Patients with a tubular MT score < 1.0 had a 6.2-times higher risk of developing end-stage renal disease.

Takeaway

This study found that patients with lupus nephritis have different levels of a protein called metallothionein in their kidneys, which can help predict how well their kidneys will work in the future.

Methodology

Immunohistochemistry was performed on renal biopsies from 37 patients with lupus nephritis and compared to control specimens.

Potential Biases

The scoring of biopsies was performed without knowledge of clinical data, which may introduce bias.

Limitations

The study was retrospective and could not obtain additional patient material for further analyses.

Participant Demographics

32 out of 37 patients were women, with a median age of 29.6 years.

Statistical Information

P-Value

0.006

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1186/ar2450

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