Soluble thrombomodulin and antibodies to bovine glomerular endothelial cells in patients with Henoch-Schönlein purpura
a Kochi Medical School, Kochi, Japan:
Department of Paediatrics, b Second Department of Medicine, c Department of Paediatric Nephrology, Kidney Centre,
Tokyo Women's Medical College, Tokyo, Japan
Correspondence to: Dr Mikiya Fujieda, Department of Paediatrics, Kochi Medical School, Kohasu, Oko-cho, Nankoku, Kochi 783, Japan.
Accepted 25 September 1997
AIM
To evaluate the clinical significance of
soluble thrombomodulin and antiendothelial cell antibodies (AECA)
in children with Henoch-Schönlein purpura.
METHODS
Binding of serum AECA to bovine
glomerular endothelial cells was evaluated by enzyme linked
immunosorbent assay, cytotoxicity against glomerular endothelial cells
by spectrophotometric assay, and soluble thrombomodulin concentrations
by sandwich enzyme immunoassay.
RESULTS
IgA AECA were detected in seven of 15 patients with Henoch-Schönlein purpura and nephritis, but were not
detected in patients without nephritis or in controls. Patients with
Henoch-Schönlein nephritis had raised titres of IgA AECA and serum
thrombomodulin; severe proteinuria and renal histological changes were
associated with raised titres of IgA AECA and raised serum
thrombomodulin. No subjects had complement dependent cytotoxicity
against glomerular endothelial cells.
CONCLUSIONS
High titres of IgA AECA and raised
serum thrombomodulin may be clinically useful markers of renal
involvement in patients with Henoch-Schönlein purpura.
© 1998 by Archives of Disease in Childhood
This article has been cited by other articles:
-
Tizard, E J
(1999). Henoch-Schonlein purpura. Arch. Dis. Child.
80: 380-383
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