Sensory Neurons: Diversity, Development, and PlasticitySheryl A. Scott Vertebrate sensory neurons occupy a unique place in the nervous system, conveying information from the periphery to the CNS. While sensory physiologists have long recognized differences in response properties among cells in dorsal root and cranial ganglia, the full extent of heterogeneity among these neurons has only recently become apparent. Phenotypic diversity is the underlying theme of this unique work, which summarizes our current understanding of the individual characteristics and development of sensory neurons. The chapters are arranged in three cohesive sections. The first describes heterogeneity in the function, biochemical make-up, ion channels, membrane properties, and central projection patterns of dorsal root ganglion neurons. The second section discusses the development of sensory neurons, covering such topics as the origins of dorsal root and cranial ganglia, adhesive interactions involved in axon outgrowth, trophic dependence of sensory neurons, and the development of the physiological properties and central and peripheral connections of dorsal root ganglion neurons. The last section explains regeneration and plasticity of mature neurons, including sprouting of skin sensory axons, plasticity in central terminations, axotomy and regeneration, and the continuing role of neurotrophic factors in adult neurons. |
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Page 198
... neurotrophic factor synthesis in hyperinnervated and normally innervated muscle is the same ( Oppenheim , 1989 ) ... neurotrophic factors , not all of which may normally play a role in regulating the survival of a particular class of ...
... neurotrophic factor synthesis in hyperinnervated and normally innervated muscle is the same ( Oppenheim , 1989 ) ... neurotrophic factors , not all of which may normally play a role in regulating the survival of a particular class of ...
Page 202
... neurotrophic factor depen- dency : the rate at which their axons grow to their targets , the duration of neuro- trophic factor - independent survival , and the onset of neurotrophic dependency . The rate at which the axons of cranial ...
... neurotrophic factor depen- dency : the rate at which their axons grow to their targets , the duration of neuro- trophic factor - independent survival , and the onset of neurotrophic dependency . The rate at which the axons of cranial ...
Page 208
... factor is maximal during the period of natural neuronal death is further evidence that both factors cooperate in regulating sensory neuron survival during develop- ment . FUTURE DIRECTIONS A major unresolved issue in neurotrophic factor ...
... factor is maximal during the period of natural neuronal death is further evidence that both factors cooperate in regulating sensory neuron survival during develop- ment . FUTURE DIRECTIONS A major unresolved issue in neurotrophic factor ...
Contents
An Overview | 3 |
Morphological and Biochemical Cell Types of Sensory Neurons | 27 |
The Organization of Biochemically Characterized Sensory | 60 |
Copyright | |
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activity adhesion molecules adult rat afferent fibers antibodies axotomy BDNF Biol Brain Res C-fiber Ca2+ capsaicin central terminals CGRP chick embryo collateral sprouting Comp cranial sensory cutaneous afferents Davies denervated dermatomes dorsal horn dorsal horn cells dorsal root ganglion Douarin DRG cells DRG neurons expression FRAP function ganglion cells hindlimb immunoreactivity innervation integrin interactions Koerber labeled lamina Lawson levels Lindsay Lond mechanoreceptors Merkel cells monosynaptic motoneurons mRNA muscle afferents muscle spindles myelinated nerve growth factor nervous system neural crest cells neurite Neurophysiol Neurosci neurotrophic factor NGF receptor nociceptive nociceptors normal pathways pattern peptide peripheral nerve Perl Physiol placodes primary afferent primary sensory neurons projections protein rat dorsal root rat DRG receptive fields regeneration reinnervation response rons root ganglion cells sensory ganglia skin somatotopic somite SP-LI specific spikes spinal cord stimulation studies substance survival synaptic target field Thoenen tissue trigeminal unmyelinated vitro