Santiago-Raber, Marie-Laure, PhD
November 13, 2007
Identifying factors associated with B lymphocyte depletion and recovery may aid the development of individualized treatment regimens, optimizing therapy for patients with autoimmune disease. In this study, 12 patients with active SLE were monitored at baseline and monthly following treatment with rituximab. The number and phenotype of peripheral blood B lymphocytes, T lymphocytes and natural killer cells were correlated with the extent and longevity of B lymphocyte depletion. This analysis generated three candidate biomarkers for lymphocyte monitoring in patients with autoimmune disease who are treated with rituximab: circulating transitional B cells, the κ:λ ratio and natural killer cells. Further refinement of these potential biomarkers may lead to a better understanding of the role of B cells in disease pathogenesis and a more rational use of B cell depletion therapies.
Source: Alliance for Lupus Research
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