Correction to: Leukemia (2013) 27, 2200–2208; doi:10.1038/leu.2013.169; published online 16 July 2013

Since the publication of this article, the authors have identified two errors in Figure 2, namely that in both panels a and b, ‘1200’ has been incorrectly listed instead of ‘120’.

Figure 2
figure 1

Concentration-dependent binding of hSCR18–20 to CLL. cells displaced fH and subsequently resulted in a concentration-dependent enhancement of CDC. (a) Concentration-dependent binding of hSCR18–20 to CLL cells. CLL cells were incubated with different concentrations of hSCR18–20, and after washing lysate of the cell, the pellet was analyzed by western blot using polyclonal Ab against human fH. Figure shows one representative of three independent experiments. (b) Concentration-dependent displacement of fH by hSCR18–20. CLL cells were incubated with different concentrations of hSCR18–20 in the presence of human recombinant fH. Following incubation, cells were washed two times with phosphate-buffered saline, the pellet was lysed and the western blot was performed using polyclonal Ab against human fH. The figure shows one representative of three independent experiments. (c) Concentration-dependent enhancement of CDC in the presence of hSCR18–20. CLL cells were incubated with NHS and RTX in the presence or absence of different hSCR18–20 concentrations. PI-negative viable cells were determined by fluorescence-activated cell sorter. One hundred percent survival was defined by counting viable cells in samples from CLL patients containing hiNHS only. Data represent mean of three independent experiments. Error bars: s.e.m.

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The correct figure is shown below.

The errors have now been rectified, and the correct article appears in this issue. The html and online pdf versions have also been rectified, and now carry the correct paper.

The Publisher would like to apologize for any inconvenience this may have caused.