Cover: Sagital brain section of a Mecp2-deficient mouse showing increased ID4 protein expression compared to wild-type. Each pixel represents an individually contoured nucleus colored in blue (negative), green (low) and red (high) based on immunofluorescence data obtained from laser scanning cytometry. The large number of red pixels in this brain section demonstrate over-expression of ID4 in a Mecp2-deficient mouse relative to wild-type. See Peddada et al., pp. 2003-2014, this issue, for further information.
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