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1 General aspects (0)   1.1 Epidemiology (9)   1.2 Population genetics (3)   1.3 Pathogenesis (7)   1.4 Quality of life (20)   1.5 Glaucomas as cause of blindness (7)   1.6 Prevention and screening (12) 2 Anatomical structures in glaucoma (0)   2.1 Conjunctiva (13)   2.2 Cornea (20)   2.3 Sclera (18)   2.4 Anterior chamber angle (4)   2.5 Meshwork (0)     2.5.1 Trabecular meshwork (22)     2.5.2 Schlemms canal (1)     2.5.3 Scleral outlet channels (1)   2.6 Aqueous humor dynamics (0)     2.6.1 Production (1)     2.6.2 Outflow (3)       2.6.2.1 Trabecular meshwork (0)       2.6.2.2 Uveoscleral (0)     2.6.3 Compostion (8)   2.7 Episcleral veins and venous pressure (0)   2.8 Iris (5)   2.9 Ciliary body (0)   2.10 Lens (0)   2.11 Vitreous body (0)   2.12 Choroid, peripapillary choroid, peripapillary atrophy (16)   2.13 Retina and retinal nerve fibre layer (43)   2.14 Optic disc (50)   2.15 Optic nerve (4)   2.16 Chiasma and retrochiasmal central nervous system (11)   2.17 Stem cells (6)   2.20 Other (0) 3 Laboratory methods (0)   3.1 Microscopy (0)   3.2 Electron microscopy (0)   3.3 Immunohistochemistry (1)   3.4 Molecular genetics (0)     3.4.1 Linkage studies (2)     3.4.2 Gene studies (32)   3.5 Molecular biology incl. 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surgery (0)     12.8.1 Without tube implant (29)     12.8.2 With tube implant or other drainage devices (63)     12.8.3 Non-perforating (5)     12.8.4 Using laser (0)     12.8.5 Other (4)     12.8.10 Woundhealing antifibrosis (23)     12.8.11 Complications, endophthalmitis (20)   12.9 Trabeculotomy, goniotomy (18)   12.10 Cyclodestruction (22)   12.11 Cyclodialysis (3)   12.12 Cataract extraction (1)     12.12.1 Intracapsular (0)     12.12.2 Extracapsular (1)     12.12.3 Phacoemulsification (5)   12.14 Combined cataract extraction and glaucoma surgery (0)     12.14.1 Intracapsular (0)     12.14.2 Extracapsular (0)     12.14.3 Phacoemulsification (28)   12.15 Capsulotomy (0)   12.16 Vitrectomy (0)   12.17 Anesthesia (4)   12.20 Other (3) 13 Therapeutic prognosis and outcome (0)   13.1 Prognostic factors (0)   13.2 Outcome (0)     13.2.1 IOP (0)     13.2.2 Visual field (0)       13.2.2.1 Progression (0)       13.2.2.2 Improvement (0)     13.2.3 Other (0) 14 Costing studies; pharmacoeconomics (10) 15 Miscellaneous (40)

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Abstract #81372 Published in IGR 20-3

Multipotent stem cell-derived retinal ganglion cells in 3D culture as tools for neurotrophic factor gene delivery system development

Chen DW; Narsineni L; Foldvari M
Nanomedicine: Nanotechnology, Biology, and Medicine 2019; 21: 102045

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Non-viral neurotrophic factor (NF) gene therapy is a new paradigm in glaucoma treatment with the potential for neuroprotection and regeneration of damaged retinal ganglion cells (RGCs). To improve nanoparticle gene delivery systems and generate a suitable RGC cell model to facilitate in vitro investigations, we have developed mouse multipotent retinal stem cell (MRSC)-derived RGCs (XFC-3 cells) that express key RGC characteristics as demonstrated through biomarker expression profiling and stimuli-inducible neurite extension evaluation. Dicationic gemini surfactant-, single-walled carbon nanotube-, and K2-lipopolyamine polymer-based gene delivery systems were formulated and evaluated in three-dimensional (3D) A7/XFC-3 and XFC-3/XFC-3 co-cultures to validate the model for transfection efficiency (TE) and brain-derived neurotrophic factor (BDNF) bioactivity measurements, which helped identify the K2-NPs as having high TE (63.1% ± 1.4%) and high cell viability (94.4% ± 0.4%). Overall, XFC-3 cells are suitable for the construction of 3D in vivo-like tissue models and enable the screening of RGC-aimed gene delivery systems for neuroprotective treatment of glaucoma.

School of Pharmacy and Waterloo Institute of Nanotechnology, University of Waterloo, 200 University Avenue West, Waterloo, ON, Canada.

Full article

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Classification:

11.9 Gene therapy (Part of: 11 Medical treatment)
2.17 Stem cells (Part of: 2 Anatomical structures in glaucoma)
11.8 Neuroprotection (Part of: 11 Medical treatment)

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