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Transfection using the nonviral SB100X vector system avoids complications associated with viral gene delivery. SB100X-mediated transfer allows for stable PEDF gene integration into the cell's genome, ensuring continuous expression and secretion of PEDF. Stable expression of the therapeutic gene is critical for the development of cell-based gene addition therapies for retinal degenerative diseases.

Bevacizumab was well tolerated by ganglion and photoreceptor cells even at concentrations fivefold higher than those used clinically. The increased expression of SMA is an indication of the loss of functional VEGF modulating smooth muscle cells in mature vessels.

Since IPE cells transplanted into the subretinal space have the ability to rescue photoreceptors from degeneration in the RCS rat without any harmful effects, IPE cells may represent an ideal cell to genetically modify and thus carry essential genetic information for the repair of defects in the subretinal space.