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Motor cortex stimulation and neuropathic pain: how does motor cortex stimulation affect pain-signaling pathways?
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| Zeitschriftentitel: | Journal of Neurosurgery |
|---|---|
| Personen und Körperschaften: | , , , , , , , |
| In: | Journal of Neurosurgery, 124, 2016, 3, S. 866-876 |
| Format: | E-Article |
| Sprache: | Unbestimmt |
| veröffentlicht: |
Journal of Neurosurgery Publishing Group (JNSPG)
|
| Schlagwörter: |
| author_facet |
Kim, Jinhyung Ryu, Sang Baek Lee, Sung Eun Shin, Jaewoo Jung, Hyun Ho Kim, Sung June Kim, Kyung Hwan Chang, Jin Woo Kim, Jinhyung Ryu, Sang Baek Lee, Sung Eun Shin, Jaewoo Jung, Hyun Ho Kim, Sung June Kim, Kyung Hwan Chang, Jin Woo |
|---|---|
| author |
Kim, Jinhyung Ryu, Sang Baek Lee, Sung Eun Shin, Jaewoo Jung, Hyun Ho Kim, Sung June Kim, Kyung Hwan Chang, Jin Woo |
| spellingShingle |
Kim, Jinhyung Ryu, Sang Baek Lee, Sung Eun Shin, Jaewoo Jung, Hyun Ho Kim, Sung June Kim, Kyung Hwan Chang, Jin Woo Journal of Neurosurgery Motor cortex stimulation and neuropathic pain: how does motor cortex stimulation affect pain-signaling pathways? General Medicine |
| author_sort |
kim, jinhyung |
| spelling |
Kim, Jinhyung Ryu, Sang Baek Lee, Sung Eun Shin, Jaewoo Jung, Hyun Ho Kim, Sung June Kim, Kyung Hwan Chang, Jin Woo 0022-3085 1933-0693 Journal of Neurosurgery Publishing Group (JNSPG) General Medicine http://dx.doi.org/10.3171/2015.1.jns14891 <jats:sec> <jats:title>OBJECT</jats:title> <jats:p>Neuropathic pain is often severe. Motor cortex stimulation (MCS) is used for alleviating neuropathic pain, but the mechanism of action is still unclear. This study aimed to understand the mechanism of action of MCS by investigating pain-signaling pathways, with the expectation that MCS would regulate both descending and ascending pathways.</jats:p></jats:sec> <jats:sec> <jats:title>METHODS</jats:title> <jats:p>Neuropathic pain was induced in Sprague-Dawley rats. Surface electrodes for MCS were implanted in the rats. Tactile allodynia was measured by behavioral testing to determine the effect of MCS. For the pathway study, immunohistochemistry was performed to investigate changes in c-fos and serotonin expression; micro-positron emission tomography (mPET) scanning was performed to investigate changes of glucose uptake; and extracellular electrophysiological recordings were performed to demonstrate brain activity.</jats:p></jats:sec> <jats:sec> <jats:title>RESULTS</jats:title> <jats:p>MCS was found to modulate c-fos and serotonin expression. In the mPET study, altered brain activity was observed in the striatum, thalamic area, and cerebellum. In the electrophysiological study, neuronal activity was increased by mechanical stimulation and suppressed by MCS. After elimination of artifacts, neuronal activity was demonstrated in the ventral posterolateral nucleus (VPL) during electrical stimulation. This neuronal activity was effectively suppressed by MCS.</jats:p></jats:sec> <jats:sec> <jats:title>CONCLUSIONS</jats:title> <jats:p>This study demonstrated that MCS effectively attenuated neuropathic pain. MCS modulated ascending and descending pain pathways. It regulated neuropathic pain by affecting the striatum, periaqueductal gray, cerebellum, and thalamic area, which are thought to regulate the descending pathway. MCS also appeared to suppress activation of the VPL, which is part of the ascending pathway.</jats:p></jats:sec> Motor cortex stimulation and neuropathic pain: how does motor cortex stimulation affect pain-signaling pathways? Journal of Neurosurgery |
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| title |
Motor cortex stimulation and neuropathic pain: how does motor cortex stimulation affect pain-signaling pathways? |
| title_unstemmed |
Motor cortex stimulation and neuropathic pain: how does motor cortex stimulation affect pain-signaling pathways? |
| title_full |
Motor cortex stimulation and neuropathic pain: how does motor cortex stimulation affect pain-signaling pathways? |
| title_fullStr |
Motor cortex stimulation and neuropathic pain: how does motor cortex stimulation affect pain-signaling pathways? |
| title_full_unstemmed |
Motor cortex stimulation and neuropathic pain: how does motor cortex stimulation affect pain-signaling pathways? |
| title_short |
Motor cortex stimulation and neuropathic pain: how does motor cortex stimulation affect pain-signaling pathways? |
| title_sort |
motor cortex stimulation and neuropathic pain: how does motor cortex stimulation affect pain-signaling pathways? |
| topic |
General Medicine |
| url |
http://dx.doi.org/10.3171/2015.1.jns14891 |
| publishDate |
2016 |
| physical |
866-876 |
| description |
<jats:sec>
<jats:title>OBJECT</jats:title>
<jats:p>Neuropathic pain is often severe. Motor cortex stimulation (MCS) is used for alleviating neuropathic pain, but the mechanism of action is still unclear. This study aimed to understand the mechanism of action of MCS by investigating pain-signaling pathways, with the expectation that MCS would regulate both descending and ascending pathways.</jats:p></jats:sec>
<jats:sec>
<jats:title>METHODS</jats:title>
<jats:p>Neuropathic pain was induced in Sprague-Dawley rats. Surface electrodes for MCS were implanted in the rats. Tactile allodynia was measured by behavioral testing to determine the effect of MCS. For the pathway study, immunohistochemistry was performed to investigate changes in c-fos and serotonin expression; micro-positron emission tomography (mPET) scanning was performed to investigate changes of glucose uptake; and extracellular electrophysiological recordings were performed to demonstrate brain activity.</jats:p></jats:sec>
<jats:sec>
<jats:title>RESULTS</jats:title>
<jats:p>MCS was found to modulate c-fos and serotonin expression. In the mPET study, altered brain activity was observed in the striatum, thalamic area, and cerebellum. In the electrophysiological study, neuronal activity was increased by mechanical stimulation and suppressed by MCS. After elimination of artifacts, neuronal activity was demonstrated in the ventral posterolateral nucleus (VPL) during electrical stimulation. This neuronal activity was effectively suppressed by MCS.</jats:p></jats:sec>
<jats:sec>
<jats:title>CONCLUSIONS</jats:title>
<jats:p>This study demonstrated that MCS effectively attenuated neuropathic pain. MCS modulated ascending and descending pain pathways. It regulated neuropathic pain by affecting the striatum, periaqueductal gray, cerebellum, and thalamic area, which are thought to regulate the descending pathway. MCS also appeared to suppress activation of the VPL, which is part of the ascending pathway.</jats:p></jats:sec> |
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| author | Kim, Jinhyung, Ryu, Sang Baek, Lee, Sung Eun, Shin, Jaewoo, Jung, Hyun Ho, Kim, Sung June, Kim, Kyung Hwan, Chang, Jin Woo |
| author_facet | Kim, Jinhyung, Ryu, Sang Baek, Lee, Sung Eun, Shin, Jaewoo, Jung, Hyun Ho, Kim, Sung June, Kim, Kyung Hwan, Chang, Jin Woo, Kim, Jinhyung, Ryu, Sang Baek, Lee, Sung Eun, Shin, Jaewoo, Jung, Hyun Ho, Kim, Sung June, Kim, Kyung Hwan, Chang, Jin Woo |
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| description | <jats:sec> <jats:title>OBJECT</jats:title> <jats:p>Neuropathic pain is often severe. Motor cortex stimulation (MCS) is used for alleviating neuropathic pain, but the mechanism of action is still unclear. This study aimed to understand the mechanism of action of MCS by investigating pain-signaling pathways, with the expectation that MCS would regulate both descending and ascending pathways.</jats:p></jats:sec> <jats:sec> <jats:title>METHODS</jats:title> <jats:p>Neuropathic pain was induced in Sprague-Dawley rats. Surface electrodes for MCS were implanted in the rats. Tactile allodynia was measured by behavioral testing to determine the effect of MCS. For the pathway study, immunohistochemistry was performed to investigate changes in c-fos and serotonin expression; micro-positron emission tomography (mPET) scanning was performed to investigate changes of glucose uptake; and extracellular electrophysiological recordings were performed to demonstrate brain activity.</jats:p></jats:sec> <jats:sec> <jats:title>RESULTS</jats:title> <jats:p>MCS was found to modulate c-fos and serotonin expression. In the mPET study, altered brain activity was observed in the striatum, thalamic area, and cerebellum. In the electrophysiological study, neuronal activity was increased by mechanical stimulation and suppressed by MCS. After elimination of artifacts, neuronal activity was demonstrated in the ventral posterolateral nucleus (VPL) during electrical stimulation. This neuronal activity was effectively suppressed by MCS.</jats:p></jats:sec> <jats:sec> <jats:title>CONCLUSIONS</jats:title> <jats:p>This study demonstrated that MCS effectively attenuated neuropathic pain. MCS modulated ascending and descending pain pathways. It regulated neuropathic pain by affecting the striatum, periaqueductal gray, cerebellum, and thalamic area, which are thought to regulate the descending pathway. MCS also appeared to suppress activation of the VPL, which is part of the ascending pathway.</jats:p></jats:sec> |
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| imprint_str_mv | Journal of Neurosurgery Publishing Group (JNSPG), 2016 |
| institution | DE-15, DE-Pl11, DE-Rs1, DE-105, DE-14, DE-Ch1, DE-L229, DE-D275, DE-Bn3, DE-Brt1, DE-Zwi2, DE-D161, DE-Gla1, DE-Zi4 |
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| spelling | Kim, Jinhyung Ryu, Sang Baek Lee, Sung Eun Shin, Jaewoo Jung, Hyun Ho Kim, Sung June Kim, Kyung Hwan Chang, Jin Woo 0022-3085 1933-0693 Journal of Neurosurgery Publishing Group (JNSPG) General Medicine http://dx.doi.org/10.3171/2015.1.jns14891 <jats:sec> <jats:title>OBJECT</jats:title> <jats:p>Neuropathic pain is often severe. Motor cortex stimulation (MCS) is used for alleviating neuropathic pain, but the mechanism of action is still unclear. This study aimed to understand the mechanism of action of MCS by investigating pain-signaling pathways, with the expectation that MCS would regulate both descending and ascending pathways.</jats:p></jats:sec> <jats:sec> <jats:title>METHODS</jats:title> <jats:p>Neuropathic pain was induced in Sprague-Dawley rats. Surface electrodes for MCS were implanted in the rats. Tactile allodynia was measured by behavioral testing to determine the effect of MCS. For the pathway study, immunohistochemistry was performed to investigate changes in c-fos and serotonin expression; micro-positron emission tomography (mPET) scanning was performed to investigate changes of glucose uptake; and extracellular electrophysiological recordings were performed to demonstrate brain activity.</jats:p></jats:sec> <jats:sec> <jats:title>RESULTS</jats:title> <jats:p>MCS was found to modulate c-fos and serotonin expression. In the mPET study, altered brain activity was observed in the striatum, thalamic area, and cerebellum. In the electrophysiological study, neuronal activity was increased by mechanical stimulation and suppressed by MCS. After elimination of artifacts, neuronal activity was demonstrated in the ventral posterolateral nucleus (VPL) during electrical stimulation. This neuronal activity was effectively suppressed by MCS.</jats:p></jats:sec> <jats:sec> <jats:title>CONCLUSIONS</jats:title> <jats:p>This study demonstrated that MCS effectively attenuated neuropathic pain. MCS modulated ascending and descending pain pathways. It regulated neuropathic pain by affecting the striatum, periaqueductal gray, cerebellum, and thalamic area, which are thought to regulate the descending pathway. MCS also appeared to suppress activation of the VPL, which is part of the ascending pathway.</jats:p></jats:sec> Motor cortex stimulation and neuropathic pain: how does motor cortex stimulation affect pain-signaling pathways? Journal of Neurosurgery |
| spellingShingle | Kim, Jinhyung, Ryu, Sang Baek, Lee, Sung Eun, Shin, Jaewoo, Jung, Hyun Ho, Kim, Sung June, Kim, Kyung Hwan, Chang, Jin Woo, Journal of Neurosurgery, Motor cortex stimulation and neuropathic pain: how does motor cortex stimulation affect pain-signaling pathways?, General Medicine |
| title | Motor cortex stimulation and neuropathic pain: how does motor cortex stimulation affect pain-signaling pathways? |
| title_full | Motor cortex stimulation and neuropathic pain: how does motor cortex stimulation affect pain-signaling pathways? |
| title_fullStr | Motor cortex stimulation and neuropathic pain: how does motor cortex stimulation affect pain-signaling pathways? |
| title_full_unstemmed | Motor cortex stimulation and neuropathic pain: how does motor cortex stimulation affect pain-signaling pathways? |
| title_short | Motor cortex stimulation and neuropathic pain: how does motor cortex stimulation affect pain-signaling pathways? |
| title_sort | motor cortex stimulation and neuropathic pain: how does motor cortex stimulation affect pain-signaling pathways? |
| title_unstemmed | Motor cortex stimulation and neuropathic pain: how does motor cortex stimulation affect pain-signaling pathways? |
| topic | General Medicine |
| url | http://dx.doi.org/10.3171/2015.1.jns14891 |