A method of inhibiting the proliferation and causing the differentiation of undifferentiated cells comprising contacting the undifferentiated cells with an effective amount of an antisense oligonucleotide having a sequence which is complementary to a region of the IGF-1 receptor RNA. The sequence of the antisense oligonucleotide is selected from an oligodeoxynucleotide sequence complementary to codons -29 to -24 of the signal sequence of the IGF-1 receptor and an oligoribodeoxynucleotide sequence complementary to codons 1 to 309 of the sequence of the IGF-1 receptor. The oligoribonucleotide sequence may be provided by an expression vector.

Un método de inhibir la proliferación y de causar la diferenciación de undifferentiated las células abarcando entrar en contacto con undifferentiated las células con una cantidad eficaz de un oligonucleotide del antisense que tenía una secuencia que es complementaria a una región del RNA del receptor IGF-1. La secuencia del oligonucleotide del antisense se selecciona de una secuencia del oligodeoxynucleotide complementaria a los codons -29 a -24 de la secuencia de la señal del receptor IGF-1 y de una secuencia del oligoribodeoxynucleotide complementaria a los codons 1 a 309 de la secuencia del receptor IGF-1. La secuencia del oligoribonucleotide se puede proporcionar por un vector de la expresión.

 
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