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Transcription of a new zinc finger gene, rKr1, is localized to subtypes of neurons in the adult rat CNS

Proteins which share zinc finger DNA binding motifs comprise one of the main families of transcription factors. We have previously described rKr1, a new rat Cys2/Hys2 zinc finger gene of the Krüppel gene family. This gene is predominantly expressed in the nervous system, with highest abundance in ne... Full description

Journal Title: Journal of neurocytology 1995-12, Vol.24 (12), p.984-998
Main Author: Hasan, S J
Other Authors: Pott, U , Schwab, M E
Format: Electronic Article Electronic Article
Language: English
Subjects:
Quelle: Alma/SFX Local Collection
Publisher: United States: Springer
ID: ISSN: 0300-4864
Link: https://www.ncbi.nlm.nih.gov/pubmed/8719824
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title: Transcription of a new zinc finger gene, rKr1, is localized to subtypes of neurons in the adult rat CNS
format: Article
creator:
  • Hasan, S J
  • Pott, U
  • Schwab, M E
subjects:
  • Animals
  • Brain Mapping - methods
  • Central Nervous System - cytology
  • Central Nervous System - metabolism
  • Down-Regulation
  • Facial Nerve - physiology
  • Ganglia, Spinal - metabolism
  • Genetic aspects
  • Genetic research
  • In Situ Hybridization
  • Mesencephalon - metabolism
  • Neurons
  • Neurons - metabolism
  • Prosencephalon - metabolism
  • Rats
  • Rats, Inbred Lew
  • Rhombencephalon - metabolism
  • Spinal Cord - metabolism
  • Transcription, Genetic
  • Zinc Fingers - genetics
ispartof: Journal of neurocytology, 1995-12, Vol.24 (12), p.984-998
description: Proteins which share zinc finger DNA binding motifs comprise one of the main families of transcription factors. We have previously described rKr1, a new rat Cys2/Hys2 zinc finger gene of the Krüppel gene family. This gene is predominantly expressed in the nervous system, with highest abundance in neurons and with lower abundance in developing oligodendrocytes of the CNS. Here, we have undertaken a detailed anatomical analysis of rKr1 expression in the adult brain of the rat using in situ hybridization. Our results show that rKr1 is expressed in a specific manner in defined subpopulations of neurons in many regions of the adult brain. Moderate levels of rKr1 mRNA were detectable in some structures of the telencephalon (e.g. cerebral cortex and hippocampus) and a few nuclei of the thalamus. The highest degree of labelling was seen in both upper and lower motor neurons of the mesencephalon and rhombencephalon (e.g. red nucleus, gigantocellular reticular nuclei, motor nuclei of the cranial nerves). High levels of rKr1 expression were also present in spinal motoneurons and dorsal root ganglion cells. In order to determine if rKr1 gene expression can be regulated, we have examined the expression pattern of rKr1 in the facial nucleus in response to facial nerve lesion. The expression of rKr1 in the facial nucleus showed a differential downregulation, reaching lowest levels 1 week after transection of the facial nerve. By 3 weeks after lesion, expression of rKr1 on the operated side of the brain reached normal levels and was identical to that of the unoperated side. These data suggest that rKr1 could be involved in the maintenance of the phenotypic differentiation of specific neuronal subtypes including motoneurons.
language: eng
source: Alma/SFX Local Collection
identifier: ISSN: 0300-4864
fulltext: fulltext
issn:
  • 0300-4864
  • 1573-7381
url: Link


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titleTranscription of a new zinc finger gene, rKr1, is localized to subtypes of neurons in the adult rat CNS
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descriptionProteins which share zinc finger DNA binding motifs comprise one of the main families of transcription factors. We have previously described rKr1, a new rat Cys2/Hys2 zinc finger gene of the Krüppel gene family. This gene is predominantly expressed in the nervous system, with highest abundance in neurons and with lower abundance in developing oligodendrocytes of the CNS. Here, we have undertaken a detailed anatomical analysis of rKr1 expression in the adult brain of the rat using in situ hybridization. Our results show that rKr1 is expressed in a specific manner in defined subpopulations of neurons in many regions of the adult brain. Moderate levels of rKr1 mRNA were detectable in some structures of the telencephalon (e.g. cerebral cortex and hippocampus) and a few nuclei of the thalamus. The highest degree of labelling was seen in both upper and lower motor neurons of the mesencephalon and rhombencephalon (e.g. red nucleus, gigantocellular reticular nuclei, motor nuclei of the cranial nerves). High levels of rKr1 expression were also present in spinal motoneurons and dorsal root ganglion cells. In order to determine if rKr1 gene expression can be regulated, we have examined the expression pattern of rKr1 in the facial nucleus in response to facial nerve lesion. The expression of rKr1 in the facial nucleus showed a differential downregulation, reaching lowest levels 1 week after transection of the facial nerve. By 3 weeks after lesion, expression of rKr1 on the operated side of the brain reached normal levels and was identical to that of the unoperated side. These data suggest that rKr1 could be involved in the maintenance of the phenotypic differentiation of specific neuronal subtypes including motoneurons.
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subjectAnimals ; Brain Mapping - methods ; Central Nervous System - cytology ; Central Nervous System - metabolism ; Down-Regulation ; Facial Nerve - physiology ; Ganglia, Spinal - metabolism ; Genetic aspects ; Genetic research ; In Situ Hybridization ; Mesencephalon - metabolism ; Neurons ; Neurons - metabolism ; Prosencephalon - metabolism ; Rats ; Rats, Inbred Lew ; Rhombencephalon - metabolism ; Spinal Cord - metabolism ; Transcription, Genetic ; Zinc Fingers - genetics
ispartofJournal of neurocytology, 1995-12, Vol.24 (12), p.984-998
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descriptionProteins which share zinc finger DNA binding motifs comprise one of the main families of transcription factors. We have previously described rKr1, a new rat Cys2/Hys2 zinc finger gene of the Krüppel gene family. This gene is predominantly expressed in the nervous system, with highest abundance in neurons and with lower abundance in developing oligodendrocytes of the CNS. Here, we have undertaken a detailed anatomical analysis of rKr1 expression in the adult brain of the rat using in situ hybridization. Our results show that rKr1 is expressed in a specific manner in defined subpopulations of neurons in many regions of the adult brain. Moderate levels of rKr1 mRNA were detectable in some structures of the telencephalon (e.g. cerebral cortex and hippocampus) and a few nuclei of the thalamus. The highest degree of labelling was seen in both upper and lower motor neurons of the mesencephalon and rhombencephalon (e.g. red nucleus, gigantocellular reticular nuclei, motor nuclei of the cranial nerves). High levels of rKr1 expression were also present in spinal motoneurons and dorsal root ganglion cells. In order to determine if rKr1 gene expression can be regulated, we have examined the expression pattern of rKr1 in the facial nucleus in response to facial nerve lesion. The expression of rKr1 in the facial nucleus showed a differential downregulation, reaching lowest levels 1 week after transection of the facial nerve. By 3 weeks after lesion, expression of rKr1 on the operated side of the brain reached normal levels and was identical to that of the unoperated side. These data suggest that rKr1 could be involved in the maintenance of the phenotypic differentiation of specific neuronal subtypes including motoneurons.
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1Brain Mapping - methods
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4Down-Regulation
5Facial Nerve - physiology
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abstractProteins which share zinc finger DNA binding motifs comprise one of the main families of transcription factors. We have previously described rKr1, a new rat Cys2/Hys2 zinc finger gene of the Krüppel gene family. This gene is predominantly expressed in the nervous system, with highest abundance in neurons and with lower abundance in developing oligodendrocytes of the CNS. Here, we have undertaken a detailed anatomical analysis of rKr1 expression in the adult brain of the rat using in situ hybridization. Our results show that rKr1 is expressed in a specific manner in defined subpopulations of neurons in many regions of the adult brain. Moderate levels of rKr1 mRNA were detectable in some structures of the telencephalon (e.g. cerebral cortex and hippocampus) and a few nuclei of the thalamus. The highest degree of labelling was seen in both upper and lower motor neurons of the mesencephalon and rhombencephalon (e.g. red nucleus, gigantocellular reticular nuclei, motor nuclei of the cranial nerves). High levels of rKr1 expression were also present in spinal motoneurons and dorsal root ganglion cells. In order to determine if rKr1 gene expression can be regulated, we have examined the expression pattern of rKr1 in the facial nucleus in response to facial nerve lesion. The expression of rKr1 in the facial nucleus showed a differential downregulation, reaching lowest levels 1 week after transection of the facial nerve. By 3 weeks after lesion, expression of rKr1 on the operated side of the brain reached normal levels and was identical to that of the unoperated side. These data suggest that rKr1 could be involved in the maintenance of the phenotypic differentiation of specific neuronal subtypes including motoneurons.
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pmid8719824
doi10.1007/BF01215647