Abatacept in B7-1-positive proteinuric kidney disease

  • Chih Chuan Yu
  • , Alessia Fornoni
  • , Astrid Weins
  • , Samy Hakroush
  • , Dony Maiguel
  • , Junichiro Sageshima
  • , Linda Chen
  • , Gaetano Ciancio
  • , Mohd Hafeez Faridi
  • , Daniel Behr
  • , Kirk N. Campbell
  • , Jer Ming Chang
  • , Hung Chun Chen
  • , Jun Oh
  • , Christian Faul
  • , M. Amin Arnaout
  • , Paolo Fiorina
  • , Vineet Gupta
  • , Anna Greka
  • , George W. Burke
  • Peter Mundel

Research output: Contribution to journalArticlepeer-review

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 languageEnglish (US)
Pages (from-to)2416-2423
Number of pages8
JournalNew England Journal of Medicine
Volume369
Issue number25
DOIs
StatePublished - 2013
Externally publishedYes

ASJC Scopus subject areas

  • General Medicine

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