Retinal cell lines with extended life-span and their applications

   
   

The invention features retina-derived (retinal endothelial or retinal epithelial pigment) cell lines with extended life-span and capable of being implanted in the retina and of carrying a therapeutic substance to the eye and to the central nervous system. Such lines can also be used as a model for studying blood central nervous system interfaces. These lines are derived from primary retinal cultures selected from the group consisting of primary retinal endothelial cells and primary retinal epithelial cells, comprise a polynucleotide containing an oncogene, which polynucleotide is optionally associated with at least one selection gene, and have the morphological characteristics and at least the expression characteristics of the surface antigens of corresponding primary cultures.

As linhas retina-derivadas características da pilha da invenção (pigment epithelial endothelial ou retinal retinal) com life-span prolongado e capaz de implanted no retina e de carregar uma substância therapeutic ao olho e ao sistema nervoso central. Tais linhas podem também ser usadas como um modelo estudando relações de sistema nervoso central do sangue. Estas linhas são derivadas das culturas retinal preliminares selecionadas do grupo que consiste em pilhas endothelial retinal preliminares e em pilhas epithelial retinal preliminares, compreendem um polynucleotide que contem um oncogene, que o polynucleotide seja associado opcionalmente com ao menos o um gene da seleção, e têm as características morphological e ao menos as características da expressão dos antígenos de superfície de culturas preliminares correspondentes.

 
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