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The aged monkey basal forebrain: rescue and sprouting of axotomized basal forebrain neurons after grafts of encapsulated cells secreting human nerve growth factor. 1994

J H Kordower, and S R Winn, and Y T Liu, and E J Mufson, and J R Sladek, and J P Hammang, and E E Baetge, and D F Emerich
Department of Neurological Sciences, Rush Presbyterian-St. Luke's Medical Center, Chicago, IL 60612.

Six Rhesus monkeys between 24 and 29 years of age received unilateral transections of the fornix. Three monkeys then received intraventricular transplants of polymer-encapsulated baby hamster kidney (BHK) fibroblasts that had been genetically modified to secrete human nerve growth factor (hNGF). The remaining three monkeys received identical grafts except the cells were not modified to secrete hNGF. Monkeys receiving the fornix transection and control grafts displayed extensive reductions in the number of choline acetyltransferase- (57-75%) and p75 NGF receptor- (53%) immunoreactive medial septal neurons ipsilateral to the lesion/implant. In contrast, monkeys receiving transplants of encapsulated hNGF-secreting cells display only a modest loss of choline acetyltransferase- (0-36%) and p75 NGF receptor-(7-22.4%) immunoreactive septal neurons. Additionally, all monkeys receiving the hNGF-secreting implants, but none receiving control implants, displayed robust sprouting of cholinergic fibers within the septum ipsilateral to the transplant. Just prior to sacrifice, the capsules were retrieved and found to contain viable BHK cells releasing biologically relevant levels of hNGF. These data demonstrate that hNGF can provide trophic and tropic influences to aged primate basal forebrain neurons undergoing lesion-induced degeneration, supporting the contention that hNGF may prevent the degeneration of basal forebrain neurons in Alzheimer disease.

UI MeSH Term Description Entries
D008253 Macaca mulatta A species of the genus MACACA inhabiting India, China, and other parts of Asia. The species is used extensively in biomedical research and adapts very well to living with humans. Chinese Rhesus Macaques,Macaca mulatta lasiota,Monkey, Rhesus,Rhesus Monkey,Rhesus Macaque,Chinese Rhesus Macaque,Macaca mulatta lasiotas,Macaque, Rhesus,Rhesus Macaque, Chinese,Rhesus Macaques,Rhesus Macaques, Chinese,Rhesus Monkeys
D009410 Nerve Degeneration Loss of functional activity and trophic degeneration of nerve axons and their terminal arborizations following the destruction of their cells of origin or interruption of their continuity with these cells. The pathology is characteristic of neurodegenerative diseases. Often the process of nerve degeneration is studied in research on neuroanatomical localization and correlation of the neurophysiology of neural pathways. Neuron Degeneration,Degeneration, Nerve,Degeneration, Neuron,Degenerations, Nerve,Degenerations, Neuron,Nerve Degenerations,Neuron Degenerations
D009414 Nerve Growth Factors Factors which enhance the growth potentialities of sensory and sympathetic nerve cells. Neurite Outgrowth Factor,Neurite Outgrowth Factors,Neuronal Growth-Associated Protein,Neuronotrophic Factor,Neurotrophic Factor,Neurotrophic Factors,Neurotrophin,Neurotrophins,Growth-Associated Proteins, Neuronal,Neuronal Growth-Associated Proteins,Neuronotrophic Factors,Neurotrophic Protein,Neurotrophic Proteins,Proteins, Neuronal Growth-Associated,Factor, Neurite Outgrowth,Factor, Neuronotrophic,Factor, Neurotrophic,Factors, Nerve Growth,Factors, Neurite Outgrowth,Factors, Neuronotrophic,Factors, Neurotrophic,Growth Associated Proteins, Neuronal,Growth-Associated Protein, Neuronal,Neuronal Growth Associated Protein,Neuronal Growth Associated Proteins,Outgrowth Factor, Neurite,Outgrowth Factors, Neurite,Protein, Neuronal Growth-Associated
D009416 Nerve Regeneration Renewal or physiological repair of damaged nerve tissue. Nerve Tissue Regeneration,Nervous Tissue Regeneration,Neural Tissue Regeneration,Nerve Tissue Regenerations,Nervous Tissue Regenerations,Neural Tissue Regenerations,Regeneration, Nerve,Regeneration, Nerve Tissue,Regeneration, Nervous Tissue,Regeneration, Neural Tissue,Tissue Regeneration, Nerve,Tissue Regeneration, Nervous,Tissue Regeneration, Neural
D011994 Recombinant Proteins Proteins prepared by recombinant DNA technology. Biosynthetic Protein,Biosynthetic Proteins,DNA Recombinant Proteins,Recombinant Protein,Proteins, Biosynthetic,Proteins, Recombinant DNA,DNA Proteins, Recombinant,Protein, Biosynthetic,Protein, Recombinant,Proteins, DNA Recombinant,Proteins, Recombinant,Recombinant DNA Proteins,Recombinant Proteins, DNA
D002799 Cholinergic Fibers Nerve fibers liberating acetylcholine at the synapse after an impulse. Cholinergic Fiber,Fiber, Cholinergic,Fibers, Cholinergic
D005260 Female Females
D000375 Aging The gradual irreversible changes in structure and function of an organism that occur as a result of the passage of time. Senescence,Aging, Biological,Biological Aging
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D014162 Transfection The uptake of naked or purified DNA by CELLS, usually meaning the process as it occurs in eukaryotic cells. It is analogous to bacterial transformation (TRANSFORMATION, BACTERIAL) and both are routinely employed in GENE TRANSFER TECHNIQUES. Transfections

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