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1.
Journal of the Korean Ophthalmological Society ; : 1575-1581, 2005.
Article Dans Coréen | WPRIM | ID: wpr-51490

Résumé

PURPOSE: To investigate the replication of HSV within cultured cell and axonal transport of HSV within the axon of the ciliary nerve following the injection of HSV into a cultured ciliary nerve. METHODS: The explant of the ciliary nerve was cultured with a medium containing nerve growth factor for 30 days when the suspension of HSV-1 (Kos strain) was introduced into the culture dish to co-culture with the ciliary nerve. The ciliary nerve was examined with transmission electron microscopy 30 days after culture and 6 days after co-culture with HSV. RESULTS: The ultrastructure of the explant of the ciliary nerve co-cultured with HSV showed that the viral capsid acquired a viral envelope and viral core, and a capsid and inclusion body within the nucleus. The enveloped virus was scattered within the vesicles of the cytoplasm. The virus-like particles were identified at the axonal fibers. CONCLUSIONS: The co-culture of the explant of the ciliary nerve and HSV showed the replicative process of the HSV within the cultured cell. The virus-like particles within the axon showed the evidence axonal transport of the virus under culture conditions.


Sujets)
Transport axonal , Axones , Capside , Cellules cultivées , Techniques de coculture , Cytoplasme , Herpès , Herpèsvirus humain de type 1 , Corps d'inclusion , Microscopie électronique à transmission , Facteur de croissance nerveuse , Simplexvirus
2.
Journal of the Korean Ophthalmological Society ; : 1287-1292, 2002.
Article Dans Coréen | WPRIM | ID: wpr-29460

Résumé

PURPOSE: This study was performed to investigate the growth pattern of the retinal vessel including retinal vascular endothelial cell and pericyte. METHODS: The sensory retina was detached from the eyecup obtained from donor's eye. The retinal vessel which was separated from the sensory retina was cultured in tissue culture media for 2, 3 and 4 weeks separately and examined by transmission electron microscopy. RESULTS: On the second week of tissue culture, both the retinal vascular endothelial cells and pericyte were intact in morphology in nuclear and cytoplasmic pattern. Both cells were partially detached from the surrounding basement membrane. On the third week of tissue culture, the cytoplasm of the retinal vascular endothelial cells and pericyte were degenerated, whereas the vascular endothelial cell were intact in nuclear and cytoplasmic profiles which were still partially surrounded by the basement membrane. CONCLUSIONS: These findings suggest that the survivability of the retinal vascular endothelial cells and pericyte may be limited for 2 and 3 weeks, separatedly under the ordinary culture medium.


Sujets)
Membrane basale , Milieux de culture , Cytoplasme , Cellules endothéliales , Microscopie électronique à transmission , Péricytes , Rétine , Vaisseaux rétiniens , Rétinal
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