Selective increase of tumour necrosis factor-alpha in injured and spared myelinated primary afferents after chronic constrictive injury of rat sciatic nerve
Chronic constriction of the sciatic nerve, leading to a hyperalgesic state, results in a partial lesion wherein some axons are injured and others remain intact. Here we sought to characterize reactive changes which occur in DRG cell bodies of injured and uninjured axons projecting to skin and muscle...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Schäfers, Maria [verfasserIn] Geis, Christian [verfasserIn] Svensson, Camilla I. [verfasserIn] |
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| Format: |
E-Artikel |
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| Erschienen: |
Oxford, UK: Blackwell Science, Ltd ; 2003 |
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| Schlagwörter: |
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| Umfang: |
Online-Ressource |
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| Reproduktion: |
2003 ; Blackwell Publishing Journal Backfiles 1879-2005 |
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| Übergeordnetes Werk: |
In: European journal of neuroscience - Oxford [u.a.] : Blackwell, 1989, 17(2003), 4, Seite 0 |
| Übergeordnetes Werk: |
volume:17 ; year:2003 ; number:4 ; pages:0 |
| Links: |
|---|
| DOI / URN: |
10.1046/j.1460-9568.2003.02504.x |
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NLEJ242426824 |
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| 520 | |a Chronic constriction of the sciatic nerve, leading to a hyperalgesic state, results in a partial lesion wherein some axons are injured and others remain intact. Here we sought to characterize reactive changes which occur in DRG cell bodies of injured and uninjured axons projecting to skin and muscle. Using immunohistochemistry combined with flurorogold and fluororuby retrograde labelling to define DRG cell bodies associated with injured and uninjured axons, we analysed the DRG immunoreactivity (IR) for tumour necrosis factor-alpha (TNF), interleukin-10 (IL-10), the sensory neuron-specific channel vanilloid receptor 1 (VR1), isolectin B4 (IB4) and calcitonin-gene-related peptide (CGRP) 4 days after a unilateral chronic constriction injury (CCI) of the rat sciatic nerve. TNF IR was predominantly localized in neuronal DRG cells. In DRG with an intact nerve, TNF IR was present in 45%, IL-10 IR in 46%, VR1 IR in 44%, IB4 IR in 51% and CGRP IR in 40% of all neuronal profiles. Four days after CCI, TNF IR was increased in medium-sized neurons, whereas IR for IL-10, VR1 and IB4, predominantly present in small neurons, was reduced. Importantly, not only injured but also adjacent spared neurons contributed markedly to increased TNF IR. Neurons projecting to both muscle and skin displayed upregulated TNF IR after CCI. TNF in medium-sized neurons colocalized with neurofilament and trkB, but not with IB4, trkA or RET, suggesting a selective phenotypic switch in presumably low-threshold myelinated primary afferents. Spared myelinated fibres with intact sensory functions but upregulated TNF expression may contribute to behavioural changes observed after nerve injury. | ||
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10.1046/j.1460-9568.2003.02504.x doi (DE-627)NLEJ242426824 DE-627 ger DE-627 rakwb Schäfers, Maria verfasserin aut Selective increase of tumour necrosis factor-alpha in injured and spared myelinated primary afferents after chronic constrictive injury of rat sciatic nerve Oxford, UK Blackwell Science, Ltd 2003 Online-Ressource nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Chronic constriction of the sciatic nerve, leading to a hyperalgesic state, results in a partial lesion wherein some axons are injured and others remain intact. Here we sought to characterize reactive changes which occur in DRG cell bodies of injured and uninjured axons projecting to skin and muscle. Using immunohistochemistry combined with flurorogold and fluororuby retrograde labelling to define DRG cell bodies associated with injured and uninjured axons, we analysed the DRG immunoreactivity (IR) for tumour necrosis factor-alpha (TNF), interleukin-10 (IL-10), the sensory neuron-specific channel vanilloid receptor 1 (VR1), isolectin B4 (IB4) and calcitonin-gene-related peptide (CGRP) 4 days after a unilateral chronic constriction injury (CCI) of the rat sciatic nerve. TNF IR was predominantly localized in neuronal DRG cells. In DRG with an intact nerve, TNF IR was present in 45%, IL-10 IR in 46%, VR1 IR in 44%, IB4 IR in 51% and CGRP IR in 40% of all neuronal profiles. Four days after CCI, TNF IR was increased in medium-sized neurons, whereas IR for IL-10, VR1 and IB4, predominantly present in small neurons, was reduced. Importantly, not only injured but also adjacent spared neurons contributed markedly to increased TNF IR. Neurons projecting to both muscle and skin displayed upregulated TNF IR after CCI. TNF in medium-sized neurons colocalized with neurofilament and trkB, but not with IB4, trkA or RET, suggesting a selective phenotypic switch in presumably low-threshold myelinated primary afferents. Spared myelinated fibres with intact sensory functions but upregulated TNF expression may contribute to behavioural changes observed after nerve injury. 2003 Blackwell Publishing Journal Backfiles 1879-2005 |2003|||||||||| chronic constrictive injury Geis, Christian verfasserin aut Svensson, Camilla I. verfasserin aut Luo, Z. David oth Sommer, Claudia oth In European journal of neuroscience Oxford [u.a.] : Blackwell, 1989 17(2003), 4, Seite 0 Online-Ressource (DE-627)NLEJ243926383 (DE-600)2005178-5 1460-9568 nnns volume:17 year:2003 number:4 pages:0 http://dx.doi.org/10.1046/j.1460-9568.2003.02504.x text/html Verlag Deutschlandweit zugänglich Volltext GBV_USEFLAG_U ZDB-1-DJB GBV_NL_ARTICLE AR 17 2003 4 0 |
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10.1046/j.1460-9568.2003.02504.x doi (DE-627)NLEJ242426824 DE-627 ger DE-627 rakwb Schäfers, Maria verfasserin aut Selective increase of tumour necrosis factor-alpha in injured and spared myelinated primary afferents after chronic constrictive injury of rat sciatic nerve Oxford, UK Blackwell Science, Ltd 2003 Online-Ressource nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Chronic constriction of the sciatic nerve, leading to a hyperalgesic state, results in a partial lesion wherein some axons are injured and others remain intact. Here we sought to characterize reactive changes which occur in DRG cell bodies of injured and uninjured axons projecting to skin and muscle. Using immunohistochemistry combined with flurorogold and fluororuby retrograde labelling to define DRG cell bodies associated with injured and uninjured axons, we analysed the DRG immunoreactivity (IR) for tumour necrosis factor-alpha (TNF), interleukin-10 (IL-10), the sensory neuron-specific channel vanilloid receptor 1 (VR1), isolectin B4 (IB4) and calcitonin-gene-related peptide (CGRP) 4 days after a unilateral chronic constriction injury (CCI) of the rat sciatic nerve. TNF IR was predominantly localized in neuronal DRG cells. In DRG with an intact nerve, TNF IR was present in 45%, IL-10 IR in 46%, VR1 IR in 44%, IB4 IR in 51% and CGRP IR in 40% of all neuronal profiles. Four days after CCI, TNF IR was increased in medium-sized neurons, whereas IR for IL-10, VR1 and IB4, predominantly present in small neurons, was reduced. Importantly, not only injured but also adjacent spared neurons contributed markedly to increased TNF IR. Neurons projecting to both muscle and skin displayed upregulated TNF IR after CCI. TNF in medium-sized neurons colocalized with neurofilament and trkB, but not with IB4, trkA or RET, suggesting a selective phenotypic switch in presumably low-threshold myelinated primary afferents. Spared myelinated fibres with intact sensory functions but upregulated TNF expression may contribute to behavioural changes observed after nerve injury. 2003 Blackwell Publishing Journal Backfiles 1879-2005 |2003|||||||||| chronic constrictive injury Geis, Christian verfasserin aut Svensson, Camilla I. verfasserin aut Luo, Z. David oth Sommer, Claudia oth In European journal of neuroscience Oxford [u.a.] : Blackwell, 1989 17(2003), 4, Seite 0 Online-Ressource (DE-627)NLEJ243926383 (DE-600)2005178-5 1460-9568 nnns volume:17 year:2003 number:4 pages:0 http://dx.doi.org/10.1046/j.1460-9568.2003.02504.x text/html Verlag Deutschlandweit zugänglich Volltext GBV_USEFLAG_U ZDB-1-DJB GBV_NL_ARTICLE AR 17 2003 4 0 |
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10.1046/j.1460-9568.2003.02504.x doi (DE-627)NLEJ242426824 DE-627 ger DE-627 rakwb Schäfers, Maria verfasserin aut Selective increase of tumour necrosis factor-alpha in injured and spared myelinated primary afferents after chronic constrictive injury of rat sciatic nerve Oxford, UK Blackwell Science, Ltd 2003 Online-Ressource nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Chronic constriction of the sciatic nerve, leading to a hyperalgesic state, results in a partial lesion wherein some axons are injured and others remain intact. Here we sought to characterize reactive changes which occur in DRG cell bodies of injured and uninjured axons projecting to skin and muscle. Using immunohistochemistry combined with flurorogold and fluororuby retrograde labelling to define DRG cell bodies associated with injured and uninjured axons, we analysed the DRG immunoreactivity (IR) for tumour necrosis factor-alpha (TNF), interleukin-10 (IL-10), the sensory neuron-specific channel vanilloid receptor 1 (VR1), isolectin B4 (IB4) and calcitonin-gene-related peptide (CGRP) 4 days after a unilateral chronic constriction injury (CCI) of the rat sciatic nerve. TNF IR was predominantly localized in neuronal DRG cells. In DRG with an intact nerve, TNF IR was present in 45%, IL-10 IR in 46%, VR1 IR in 44%, IB4 IR in 51% and CGRP IR in 40% of all neuronal profiles. Four days after CCI, TNF IR was increased in medium-sized neurons, whereas IR for IL-10, VR1 and IB4, predominantly present in small neurons, was reduced. Importantly, not only injured but also adjacent spared neurons contributed markedly to increased TNF IR. Neurons projecting to both muscle and skin displayed upregulated TNF IR after CCI. TNF in medium-sized neurons colocalized with neurofilament and trkB, but not with IB4, trkA or RET, suggesting a selective phenotypic switch in presumably low-threshold myelinated primary afferents. Spared myelinated fibres with intact sensory functions but upregulated TNF expression may contribute to behavioural changes observed after nerve injury. 2003 Blackwell Publishing Journal Backfiles 1879-2005 |2003|||||||||| chronic constrictive injury Geis, Christian verfasserin aut Svensson, Camilla I. verfasserin aut Luo, Z. David oth Sommer, Claudia oth In European journal of neuroscience Oxford [u.a.] : Blackwell, 1989 17(2003), 4, Seite 0 Online-Ressource (DE-627)NLEJ243926383 (DE-600)2005178-5 1460-9568 nnns volume:17 year:2003 number:4 pages:0 http://dx.doi.org/10.1046/j.1460-9568.2003.02504.x text/html Verlag Deutschlandweit zugänglich Volltext GBV_USEFLAG_U ZDB-1-DJB GBV_NL_ARTICLE AR 17 2003 4 0 |
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10.1046/j.1460-9568.2003.02504.x doi (DE-627)NLEJ242426824 DE-627 ger DE-627 rakwb Schäfers, Maria verfasserin aut Selective increase of tumour necrosis factor-alpha in injured and spared myelinated primary afferents after chronic constrictive injury of rat sciatic nerve Oxford, UK Blackwell Science, Ltd 2003 Online-Ressource nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Chronic constriction of the sciatic nerve, leading to a hyperalgesic state, results in a partial lesion wherein some axons are injured and others remain intact. Here we sought to characterize reactive changes which occur in DRG cell bodies of injured and uninjured axons projecting to skin and muscle. Using immunohistochemistry combined with flurorogold and fluororuby retrograde labelling to define DRG cell bodies associated with injured and uninjured axons, we analysed the DRG immunoreactivity (IR) for tumour necrosis factor-alpha (TNF), interleukin-10 (IL-10), the sensory neuron-specific channel vanilloid receptor 1 (VR1), isolectin B4 (IB4) and calcitonin-gene-related peptide (CGRP) 4 days after a unilateral chronic constriction injury (CCI) of the rat sciatic nerve. TNF IR was predominantly localized in neuronal DRG cells. In DRG with an intact nerve, TNF IR was present in 45%, IL-10 IR in 46%, VR1 IR in 44%, IB4 IR in 51% and CGRP IR in 40% of all neuronal profiles. Four days after CCI, TNF IR was increased in medium-sized neurons, whereas IR for IL-10, VR1 and IB4, predominantly present in small neurons, was reduced. Importantly, not only injured but also adjacent spared neurons contributed markedly to increased TNF IR. Neurons projecting to both muscle and skin displayed upregulated TNF IR after CCI. TNF in medium-sized neurons colocalized with neurofilament and trkB, but not with IB4, trkA or RET, suggesting a selective phenotypic switch in presumably low-threshold myelinated primary afferents. Spared myelinated fibres with intact sensory functions but upregulated TNF expression may contribute to behavioural changes observed after nerve injury. 2003 Blackwell Publishing Journal Backfiles 1879-2005 |2003|||||||||| chronic constrictive injury Geis, Christian verfasserin aut Svensson, Camilla I. verfasserin aut Luo, Z. David oth Sommer, Claudia oth In European journal of neuroscience Oxford [u.a.] : Blackwell, 1989 17(2003), 4, Seite 0 Online-Ressource (DE-627)NLEJ243926383 (DE-600)2005178-5 1460-9568 nnns volume:17 year:2003 number:4 pages:0 http://dx.doi.org/10.1046/j.1460-9568.2003.02504.x text/html Verlag Deutschlandweit zugänglich Volltext GBV_USEFLAG_U ZDB-1-DJB GBV_NL_ARTICLE AR 17 2003 4 0 |
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10.1046/j.1460-9568.2003.02504.x doi (DE-627)NLEJ242426824 DE-627 ger DE-627 rakwb Schäfers, Maria verfasserin aut Selective increase of tumour necrosis factor-alpha in injured and spared myelinated primary afferents after chronic constrictive injury of rat sciatic nerve Oxford, UK Blackwell Science, Ltd 2003 Online-Ressource nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Chronic constriction of the sciatic nerve, leading to a hyperalgesic state, results in a partial lesion wherein some axons are injured and others remain intact. Here we sought to characterize reactive changes which occur in DRG cell bodies of injured and uninjured axons projecting to skin and muscle. Using immunohistochemistry combined with flurorogold and fluororuby retrograde labelling to define DRG cell bodies associated with injured and uninjured axons, we analysed the DRG immunoreactivity (IR) for tumour necrosis factor-alpha (TNF), interleukin-10 (IL-10), the sensory neuron-specific channel vanilloid receptor 1 (VR1), isolectin B4 (IB4) and calcitonin-gene-related peptide (CGRP) 4 days after a unilateral chronic constriction injury (CCI) of the rat sciatic nerve. TNF IR was predominantly localized in neuronal DRG cells. In DRG with an intact nerve, TNF IR was present in 45%, IL-10 IR in 46%, VR1 IR in 44%, IB4 IR in 51% and CGRP IR in 40% of all neuronal profiles. Four days after CCI, TNF IR was increased in medium-sized neurons, whereas IR for IL-10, VR1 and IB4, predominantly present in small neurons, was reduced. Importantly, not only injured but also adjacent spared neurons contributed markedly to increased TNF IR. Neurons projecting to both muscle and skin displayed upregulated TNF IR after CCI. TNF in medium-sized neurons colocalized with neurofilament and trkB, but not with IB4, trkA or RET, suggesting a selective phenotypic switch in presumably low-threshold myelinated primary afferents. Spared myelinated fibres with intact sensory functions but upregulated TNF expression may contribute to behavioural changes observed after nerve injury. 2003 Blackwell Publishing Journal Backfiles 1879-2005 |2003|||||||||| chronic constrictive injury Geis, Christian verfasserin aut Svensson, Camilla I. verfasserin aut Luo, Z. David oth Sommer, Claudia oth In European journal of neuroscience Oxford [u.a.] : Blackwell, 1989 17(2003), 4, Seite 0 Online-Ressource (DE-627)NLEJ243926383 (DE-600)2005178-5 1460-9568 nnns volume:17 year:2003 number:4 pages:0 http://dx.doi.org/10.1046/j.1460-9568.2003.02504.x text/html Verlag Deutschlandweit zugänglich Volltext GBV_USEFLAG_U ZDB-1-DJB GBV_NL_ARTICLE AR 17 2003 4 0 |
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Schäfers, Maria Geis, Christian Svensson, Camilla I. |
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Elektronische Aufsätze |
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Schäfers, Maria |
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10.1046/j.1460-9568.2003.02504.x |
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selective increase of tumour necrosis factor-alpha in injured and spared myelinated primary afferents after chronic constrictive injury of rat sciatic nerve |
| title_auth |
Selective increase of tumour necrosis factor-alpha in injured and spared myelinated primary afferents after chronic constrictive injury of rat sciatic nerve |
| abstract |
Chronic constriction of the sciatic nerve, leading to a hyperalgesic state, results in a partial lesion wherein some axons are injured and others remain intact. Here we sought to characterize reactive changes which occur in DRG cell bodies of injured and uninjured axons projecting to skin and muscle. Using immunohistochemistry combined with flurorogold and fluororuby retrograde labelling to define DRG cell bodies associated with injured and uninjured axons, we analysed the DRG immunoreactivity (IR) for tumour necrosis factor-alpha (TNF), interleukin-10 (IL-10), the sensory neuron-specific channel vanilloid receptor 1 (VR1), isolectin B4 (IB4) and calcitonin-gene-related peptide (CGRP) 4 days after a unilateral chronic constriction injury (CCI) of the rat sciatic nerve. TNF IR was predominantly localized in neuronal DRG cells. In DRG with an intact nerve, TNF IR was present in 45%, IL-10 IR in 46%, VR1 IR in 44%, IB4 IR in 51% and CGRP IR in 40% of all neuronal profiles. Four days after CCI, TNF IR was increased in medium-sized neurons, whereas IR for IL-10, VR1 and IB4, predominantly present in small neurons, was reduced. Importantly, not only injured but also adjacent spared neurons contributed markedly to increased TNF IR. Neurons projecting to both muscle and skin displayed upregulated TNF IR after CCI. TNF in medium-sized neurons colocalized with neurofilament and trkB, but not with IB4, trkA or RET, suggesting a selective phenotypic switch in presumably low-threshold myelinated primary afferents. Spared myelinated fibres with intact sensory functions but upregulated TNF expression may contribute to behavioural changes observed after nerve injury. |
| abstractGer |
Chronic constriction of the sciatic nerve, leading to a hyperalgesic state, results in a partial lesion wherein some axons are injured and others remain intact. Here we sought to characterize reactive changes which occur in DRG cell bodies of injured and uninjured axons projecting to skin and muscle. Using immunohistochemistry combined with flurorogold and fluororuby retrograde labelling to define DRG cell bodies associated with injured and uninjured axons, we analysed the DRG immunoreactivity (IR) for tumour necrosis factor-alpha (TNF), interleukin-10 (IL-10), the sensory neuron-specific channel vanilloid receptor 1 (VR1), isolectin B4 (IB4) and calcitonin-gene-related peptide (CGRP) 4 days after a unilateral chronic constriction injury (CCI) of the rat sciatic nerve. TNF IR was predominantly localized in neuronal DRG cells. In DRG with an intact nerve, TNF IR was present in 45%, IL-10 IR in 46%, VR1 IR in 44%, IB4 IR in 51% and CGRP IR in 40% of all neuronal profiles. Four days after CCI, TNF IR was increased in medium-sized neurons, whereas IR for IL-10, VR1 and IB4, predominantly present in small neurons, was reduced. Importantly, not only injured but also adjacent spared neurons contributed markedly to increased TNF IR. Neurons projecting to both muscle and skin displayed upregulated TNF IR after CCI. TNF in medium-sized neurons colocalized with neurofilament and trkB, but not with IB4, trkA or RET, suggesting a selective phenotypic switch in presumably low-threshold myelinated primary afferents. Spared myelinated fibres with intact sensory functions but upregulated TNF expression may contribute to behavioural changes observed after nerve injury. |
| abstract_unstemmed |
Chronic constriction of the sciatic nerve, leading to a hyperalgesic state, results in a partial lesion wherein some axons are injured and others remain intact. Here we sought to characterize reactive changes which occur in DRG cell bodies of injured and uninjured axons projecting to skin and muscle. Using immunohistochemistry combined with flurorogold and fluororuby retrograde labelling to define DRG cell bodies associated with injured and uninjured axons, we analysed the DRG immunoreactivity (IR) for tumour necrosis factor-alpha (TNF), interleukin-10 (IL-10), the sensory neuron-specific channel vanilloid receptor 1 (VR1), isolectin B4 (IB4) and calcitonin-gene-related peptide (CGRP) 4 days after a unilateral chronic constriction injury (CCI) of the rat sciatic nerve. TNF IR was predominantly localized in neuronal DRG cells. In DRG with an intact nerve, TNF IR was present in 45%, IL-10 IR in 46%, VR1 IR in 44%, IB4 IR in 51% and CGRP IR in 40% of all neuronal profiles. Four days after CCI, TNF IR was increased in medium-sized neurons, whereas IR for IL-10, VR1 and IB4, predominantly present in small neurons, was reduced. Importantly, not only injured but also adjacent spared neurons contributed markedly to increased TNF IR. Neurons projecting to both muscle and skin displayed upregulated TNF IR after CCI. TNF in medium-sized neurons colocalized with neurofilament and trkB, but not with IB4, trkA or RET, suggesting a selective phenotypic switch in presumably low-threshold myelinated primary afferents. Spared myelinated fibres with intact sensory functions but upregulated TNF expression may contribute to behavioural changes observed after nerve injury. |
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Selective increase of tumour necrosis factor-alpha in injured and spared myelinated primary afferents after chronic constrictive injury of rat sciatic nerve |
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Geis, Christian Svensson, Camilla I. Luo, Z. David Sommer, Claudia |
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