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Type: Journal article
Title: A herpes simplex viral vector expressing green fluorescent protein can be used to visualize morphological changes in high-density neuronal culture
Author: Falk, T.
Strazdas, L.
Borders, R.
Kilani, R.
Yool, A.
Sherman, S.
Citation: Electronic Journal of Biotechnology, 2001; 4(1):33-45
Publisher: Pontificia Universidad Católica de Valparaíso
Issue Date: 2001
ISSN: 0717-3458
Statement of
Falk, Torsten; Strazdas, Lori A.; Borders, Rebecca S.; Kilani, Ramsey K.; Yool, Andrea J.; Sherman, Scott J.
Abstract: High-density cultures of mammalian neurons offer a model system for studies of brain development, but the morphological features of individual neurons is difficult to ascertain. We show that a herpes virus vector expressing a bioluminescent protein allows detailed morphometric analyses of living neurons in complex culture environments. Expression of enhanced green fluorescent protein (eGFP) was constitutively driven in neurons using the herpes simplex virus amplicon system. This system allowed us to make novel observations regarding development in high-density cultures from rat hippocampus and cerebellum. After the phase of initial neurite outgrowth, maturing neurons continue to show rapid remodeling of the neurite branches (0.79 ± 0.11 mm/h per neurite; mean ± SEM, n=8), and displacement of the soma within the neurite arbor (1.35 ± 0.74 mm/h). These results demonstrate that a substantial capacity for morphological plasticity persists in maturing mammalian CNS neurons after cessation of net neurite outgrowth in early development.
Keywords: Cerebellum; green fluorescent protein; hippocampus; plasticity; Purkinje neuron
Rights: © 2001 by Universidad Católica de Valparaíso
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Molecular and Biomedical Science publications

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