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1.
Chinese Journal of Rehabilitation Theory and Practice ; (12): 686-690, 2023.
Article in Chinese | WPRIM | ID: wpr-998280

ABSTRACT

ObjectiveTo explore the effect of repetitive peripheral magnetic stimulation on upper limb motor function rehabilitation of stroke patients after contralateral seventh cervical nerve transfer (CC7). MethodsFrom May, 2020, to May, 2022, 34 stroke patients with hemiplegia underwent CC7 in Jing'an District Centre Hospital of Shanghai were randomly divided into control group (n = 17) and observation group (n = 17). Both groups received conventional rehabilitation. The observation group accepted repetitive peripheral magnetic stimulation, and the control group received sham stimulation, for eight weeks. They were assessed with Fugl-Meyer Assessment-Upper Extremities (FMA-UE) and Hua-Shan Grading of Upper Extremity (H-S grading) before and after treatment. ResultsTwo cases dropped down in each group. There was difference in gender between two groups (χ2 = 6.136, P < 0.05). After treatment, the scores of FMA-UE and H-S grading significantly improved in both groups (t > 4.000, P < 0.01), and the improvement was better in the observation group than in the control group (t > 2.362, P < 0.05). ConclusionRepetitive peripheral magnetic stimulation could improve the motor function of upper limb and hand of stroke patients with hemiplegia after CC7.

2.
Neuroscience Bulletin ; (6): 1542-1554, 2021.
Article in English | WPRIM | ID: wpr-922665

ABSTRACT

Our previous investigation suggested that faster seventh cervical nerve (C7) regeneration occurs in patients with cerebral injury undergoing contralateral C7 transfer. This finding needed further verification, and the mechanism remained largely unknown. Here, Tinel's test revealed faster C7 regeneration in patients with cerebral injury, which was further confirmed in mice by electrophysiological recordings and histological analysis. Furthermore, we identified an altered systemic inflammatory response that led to the transformation of macrophage polarization as a mechanism underlying the increased nerve regeneration in patients with cerebral injury. In mice, we showed that, as a contributing factor, serum amyloid protein A1 (SAA1) promoted C7 regeneration and interfered with macrophage polarization in vivo. Our results indicate that altered inflammation promotes the regenerative capacity of the C7 nerve by altering macrophage behavior. SAA1 may be a therapeutic target to improve the recovery of injured peripheral nerves.


Subject(s)
Animals , Humans , Mice , Brachial Plexus , Brachial Plexus Neuropathies/surgery , Nerve Transfer , Peripheral Nerves , Spinal Nerves
3.
Neuroscience Bulletin ; (6): 1542-1554, 2021.
Article in Chinese | WPRIM | ID: wpr-951941

ABSTRACT

Our previous investigation suggested that faster seventh cervical nerve (C7) regeneration occurs in patients with cerebral injury undergoing contralateral C7 transfer. This finding needed further verification, and the mechanism remained largely unknown. Here, Tinel’s test revealed faster C7 regeneration in patients with cerebral injury, which was further confirmed in mice by electrophysiological recordings and histological analysis. Furthermore, we identified an altered systemic inflammatory response that led to the transformation of macrophage polarization as a mechanism underlying the increased nerve regeneration in patients with cerebral injury. In mice, we showed that, as a contributing factor, serum amyloid protein A1 (SAA1) promoted C7 regeneration and interfered with macrophage polarization in vivo. Our results indicate that altered inflammation promotes the regenerative capacity of the C7 nerve by altering macrophage behavior. SAA1 may be a therapeutic target to improve the recovery of injured peripheral nerves.

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