Cited by 72Nerve injury and regenerationParkinson's Disease Mechanisms and TreatmentsNuclear Receptors and Signaling

Brain-derived neurotrophic factor-transduced fibroblasts: Production of BDNF and effects of grafting to the adult rat brain

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Lucidi‐Phillipi, Carrie A., Gage, Fred H., Shults, Clifford W., Jones, Kevin R., Reichardt, Louis F., Kang, Un Jung·1995·Journal of Comparative Neurology

Abstract

Local delivery of brain-derived neurotrophic factor (BDNF) by genetically modified cells provides the unique opportunity to examine the effects of BDNF on adult dopaminergic and cholinergic neurons in vivo. Primary rat fibroblasts were genetically engineered to produce BDNF. Conditioned media from BDNF-transduced fibroblasts supported embryonic chick dorsal root ganglion neurons as well as rat fetal mesencephalic neurons. BDNF-transduced fibroblasts grafted to the rat brain survived and showed continued mRNA production for at least 2 weeks. The effects of BDNF-transduced fibroblast grafts on the dopaminergic and cholinergic systems were then assessed. BDNF-transduced fibroblasts grafted into the normal intact substantia nigra induced sprouting of tyrosine hydroxylase- and neurofilament-immunoreactive fibers into the graft. Fibroblast grafts implanted into the normal intact striatum and midbrain as well as the 6-hydroxydopamine-lesioned brain did not induce sprouting of dopaminergic fibers; neither did they affect drug-induced rotational behavior. BDNF-transduced fibroblasts did, however, significantly increase the homovanillic acid/dopamine ratio when grafted into the normal midbrain. Following transection of the fimbriafornix, BDNF-transduced fibroblasts grafted into the septum were unable to rescue the septal cholinergic population, as did nerve growth factor-producing fibroblast grafts. Genetically modified fibroblast grafts may provide an effective, localized method of BDNF delivery in vivo to test biological effects of this factor on the central nervous system.

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Crossref · 10.1002/cne.903540306

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  • When induction of parkinsonism by 6-OHDA lesion was followed by BDNF treatment, there seemed to be no recovery of the dopaminergic neuron number in substantia nigra.

    “Similarly controversial results were obtained when induction of parkinsonism by 6-OHDA lesion was followed by BDNF treatment. There seemed to be no recovery of the dopaminergic neurons number in SN [92,95,97,98].”

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Authors
Lucidi‐Phillipi, C. A., Gage, F. H., Shults, C. W., Jones, K. R., Reichardt, L. F., & Kang, U. J.
Affiliations
  • University of California San Diego (US)
  • United States Department of Veterans Affairs (US)
  • University of California, San Francisco (US)
  • University of Chicago (US)
Corresponding author
Kang, Un Jung
Venue
Journal of Comparative Neurology
Publisher
Wiley
Published
1995-04-10
Volume
354
Issue
3
Pages
361-376
ISSN
  • 0021-9967 (ISSN-L)
  • 1096-9861
OpenAlex
W2156509631
Cited by
72
References
58
Citations by year
2026: 1 · 2025: 1 · 2024: 1 · 2022: 2 · 2021: 1 · 2020: 2 · 2019: 2 · 2014: 1 · 2013: 1 · 2012: 1
FWCI
3.20
Type
journal article
Language
en
Open access
Locations
  • The Journal of Comparative Neurology (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • National Institute on Aging (P01AG010435, R37AG008514, 5R37 AG08514, 5P01 AG10435, AG-00408, T32AG000216)
  • National Institute of Neurological Disorders and Stroke (P01NS016033)
Topics
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Nerve injury and regeneration
  • Health Sciences › Medicine › Neurology › Parkinson's Disease Mechanisms and Treatments
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Nuclear Receptors and Signaling
Keywords
brain-derived neurotrophic factor, cell transplantation, dopaminergic neurons, cholinergic neurons, substantia nigra, striatum, 6-hydroxydopamine lesion, homovanillic acid, nerve growth factor, dorsal root ganglion neurons, mesencephalic neurons, tyrosine hydroxylase
MeSH terms
Animals, Cells, Cultured, Chick Embryo, Fibroblasts, Genetic Engineering, Humans, Nerve Growth Factors, Nerve Tissue Proteins, Rats, Inbred F344, Transcription, Genetic, Protein Biosynthesis, Blotting, Northern, Brain-Derived Neurotrophic Factor, Rats

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