Immunoblot of primary patient-derived AML blasts treated with control (dX) or Vpx-containing (X) virus-like particles (VLPs): patient A2953 (C), ALG17_001 (E). Accompanying proliferation inhibition analysis of ara-C and indicated RNRi combination in these samples: patient A2953 (D), ALG17_001 (D). Error bars indicate s.d. of single experiment performed in triplicate. 