Abstract
The aim of this study was to define clinical, histopathologic, and prognostic differences according to the presence of anti-ribosomal P antibody (anti-P) in Korean patients with biopsy-proven lupus nephritis (LN). We studied 79 patients who underwent kidney biopsies prior to the start of induction treatment, and who were subsequently treated with immunosuppressive drugs for at least 6 months and followed-up for more than 6 months. Anti-P was measured by immunoblot analysis at the time of renal biopsy. Of all patients, 35.4% were anti-P-positive. Such patients exhibited earlier LN onset, a higher Systemic Lupus Erythematosus Disease Activity Index 2000 score, and a higher estimated glomerular filtration rate at the time of renal biopsy, than did those without antibodies. Upon renal histopathological analysis, patients with anti-P exhibited less interstitial inflammation in terms of the activity index, less glomerular sclerosis, less tubular atrophy, and less interstitial fibrosis in terms of the chronicity index. Furthermore, anti-P was associated with lower chronicity scores. At a median follow-up time of 47 months, renal function was preserved in 27 of 28 patients who had anti-P, but only 38 of 51 patients without such antibod...Continue Reading
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Nov 12, 2020·Lupus·Gali AljadeffYehuda Shoenfeld
Jan 7, 2021·Lupus·Ayako WakamatsuIchiei Narita
Jan 14, 2020·Autoimmunity Reviews·May Y ChoiMarvin J Fritzler
Jul 7, 2021·Journal of Neuroimmunology·Xinnan Zhao, Pingting Yang