On the origin of F-wave: involvement of central synaptic mechanisms
On the origin of F-wave: involvement of central synaptic mechanisms
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F波的起源:中枢突触机制的参与
DOI:
10.1101/2023.06.12.544675
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发表时间:
2023
期刊:
影响因子:
--
通讯作者:
Özyurt M
中科院分区:
文献类型:
--
作者:
Özyurt M
Neurophysiological methods are used widely to gain information about motor neuron excitability and axon conduction in neurodegenerative diseases. The F-wave is a common biomarker used to test motor neuron properties in the diagnosis of neurological diseases. Although the origin of the F-wave is a subject of debate, the most widely accepted mechanism posits that the F-wave is generated by the backfiring of motor neurons stimulated antidromically from the periphery.In this study, we developed anex vivomouse sciatic nerve-attached spinal cord preparation with sensory axons severed.In this preparation, stimulation of the whole sciatic nerve or its tibial branch evoked responses with the electrophysiological signatures of F-waves. Manipulations of synaptic transmission by either removal of extracellular calcium or block of post-synaptic glutamate receptors abolished these responses.These results suggest that F-waves are mediated by spinal microcircuits activated by recurrent motor axon collaterals via glutamatergic synapses.
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影响因子:
9.8
作者:
Bhumbra GS;Beato M
通讯作者:
Beato M
影响因子:
3.4
作者:
Lin, JZ;Floeter, MK
通讯作者:
Floeter, MK
DOI:
--
发表时间:
1986
期刊:
Electromyography and clinical neurophysiology
影响因子:
--
作者:
M. Fisher
通讯作者:
M. Fisher
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作者:
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R. Olney
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作者:
DENGLER, R;KOSSEV, A;WOLF, W
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WOLF, W