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Increased number of peripheral blood CD34+ cells in lithium-treated patients
1Department of Haematology, The E. Wolfson Medical Centre, Holon, Israel.
Eight adult patients with bipolar disorder were prospectively examined to find whether lithium carbonate increased their peripheral blood CD34+ haemopoietic stem cells. Following lithium therapy for 3-4 weeks their neutrophil counts increased by a mean of 88% (from 4625 +/- 1350 x 10(9)/l, mean +/- SD pretreatment, to a peak of 8300 +/- 3910 x 10(9)/l). Concommitantly, there was a significant increment in their CD34+ cells (from 0.11 +/- 0.01% to a peak of 0.18 +/- 0.08%). There was a significant correlation between the rise in neutrophil count and that of the CD34+ cells (r = 0.795, P = 0.019). Lithium therapy may be used to mobilize peripheral blood CD34+ cells for marrow transplantation.
Eight adult patients with bipolar disorder were prospectively examined to find whether lithium carbonate increased their peripheral blood CD34+ haemopoietic stem cells. Following lithium therapy for 3-4 weeks their neutrophil counts increased by a mean of 88% (from 4625 +/- 1350 x 10(9)/l, mean +/- SD pretreatment, to a peak of 8300 +/- 3910 x 10(9)/l). Concommitantly, there was a significant increment in their CD34+ cells (from 0.11 +/- 0.01% to a peak of 0.18 +/- 0.08%). There was a significant correlation between the rise in neutrophil count and that of the CD34+ cells (r = 0.795, P = 0.019). Lithium therapy may be used to mobilize peripheral blood CD34+ cells for marrow transplantation.