A human immortalised neural precursor cell line

C - Chemistry – Metallurgy – 12 – N

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C12N 5/00 (2006.01) C12N 5/08 (2006.01)

Patent

CA 2603391

The present invention relates to an immortalised human neural precursor cell line, NGC-407. The cell line has been established from human foetal tissue. The cell line has been immortalised using a retroviral vector containing the v- myc oncogene. The cell line is a neural progenitor cell line capable of differentiating into to astrocytes and neurons including dopaminergic neurons. NGC-407 cells are capable of migrating to glioblastoma tumours implanted into rat brains and form gap junctions with the tumour cells. NGC-407 cells expressing a suicide gene can be be used for delivering activated prodrugs in the form of activated nucleoside analogs to tumours.

La présente invention concerne une lignée cellulaire précurseur neurale immortalisée humaine, dite NGC-407. Cette lignée cellulaire a été obtenue à partir de tissu foetal humain. Elle a été immortalisée au moyen d'un vecteur rétroviral contenant l'oncogène v-myc. La lignée cellulaire de l'invention est une lignée progénitrice neurale capable de se différencier en astrocytes et en neurones, notamment en neurones dopaminergiques. Les cellules NGC-407 sont capables de migrer vers des tumeurs de type glioblastome implantées dans le cerveau d'un rat et former des jonctions lacunaires avec les cellules tumorales. On peut utiliser des cellules GC-407 exprimant un gène suicide pour administrer des promédicaments activés sous forme d'analogues nucléosidiques activés à des tumeurs.

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