Research Article

Insulin-Like Growth Factor 1 Receptor as a Therapeutic Target in Ewing Sarcoma: Lack of Consistent Upregulation or Recurrent Mutation and a Review of the Clinical Trial Literature

Table 2

ELISA and IHC quantification of IGF-1R in patient tumor samples.

Sample IR3 binding
(% of NWTb3 ± SD)
IGF-1R IHC
(% positive cells)

129 100
130 99
131 100
132 95
133 100
134 20
135 10
136 5
137 40
138 40