(A and B) Quantitative everse transcription PCR (RT-PCR) analysis of mRNA from CD11c+ cells sorted from B16 melanoma in wild-type (WT), Cd300afl/fl (n = 6), Cd300a−/− or Cd300afl/fl;ItgaxCre (n = 6) mice 2 weeks after tumor inoculation. The gene discussed is CD300A; the disease is melanoma.