Abstract
Abatacept (cytotoxic T-lymphocyte-associated antigen 4-immunoglobulin fusion protein [CTLA-4-Ig]) is a costimulatory inhibitor that targets B7-1 (CD80). The present report describes five patients who had focal segmental glomerulosclerosis (FSGS) (four with recurrent FSGS after transplantation and one with primary FSGS) and proteinuria with B7-1 immunostaining of podocytes in kidney-biopsy specimens. Abatacept induced partial or complete remissions of proteinuria in these patients, suggesting that B7-1 may be a useful biomarker for the treatment of some glomerulopathies. Our data indicate that abatacept may stabilize β1-integrin activation in podocytes and reduce proteinuria in patients with B7-1-positive glomerular disease.
| Original language | English (US) |
|---|---|
| Pages (from-to) | 2416-2423 |
| Number of pages | 8 |
| Journal | New England Journal of Medicine |
| Volume | 369 |
| Issue number | 25 |
| DOIs | |
| State | Published - 2013 |
| Externally published | Yes |
ASJC Scopus subject areas
- General Medicine
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