ArticleInternational journal of molecular sciences2023
Neurovascular Unit Compensation from Adjacent Level May Contribute to Spontaneous Functional Recovery in Experimental Cervical Spondylotic Myelopathy.
Article in International journal of molecular sciences, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed.
- The ferroptosis-mediated domino effect: metabolic crosstalk from intervertebral disc degeneration to spinal deformity and cord injury: a mini review.Frontiers in neuroscience · 2026Review
- A preclinical study on cell therapy as an adjunct to surgical decompression in degenerative cervical myelopathy via accelerating blood spinal cord barrier reconstitution and neurological recovery.Stem cell research & therapy · 2025Article
- Positive effect of microvascular proliferation on functional recovery in experimental cervical spondylotic myelopathy.Frontiers in neuroscience · 2024Article
- Blood-spinal cord barrier disruption in degenerative cervical myelopathy.Fluids and barriers of the CNS · 2023Review
- The microenvironmental mechanism of postoperative recurrence in cervical spondylotic myelopathy: regulation by the glial scar-inflammation axis.Frontiers in neurologyReview
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Authors and funding
7 authors.
Funding
Abstract
The progression and remission of cervical spondylotic myelopathy (CSM) are quite unpredictable due to the ambiguous pathomechanisms. Spontaneous functional recovery (SFR) has been commonly implicated in the natural course of incomplete acute spinal cord injury (SCI), while the evidence and underlying pathomechanisms of neurovascular unit (NVU) compensation involved in SFR remains poorly understood in CSM. In this study, we investigate whether compensatory change of NVU, in particular in the adjacent level of the compressive epicenter, is involved in the natural course of SFR, using an established experimental CSM model. Chronic compression was created by an expandable water-absorbing polyurethane polymer at C5 level. Neurological function was dynamically assessed by BBB scoring and somatosensory evoked potential (SEP) up to 2 months. (Ultra)pathological features of NVUs were presented by histopathological and TEM examination. Quantitative analysis of regional vascular profile area/number (RVPA/RVPN) and neuroglial cells numbers were based on the specific EBA immunoreactivity and neuroglial biomarkers, respectively. Functional integrity of blood spinal cord barrier (BSCB) was detected by Evan blue extravasation test. Although destruction of the NVU, including disruption of the BSCB, neuronal degeneration and axon demyelination, as well as dramatic neuroglia reaction, were found in the compressive epicenter and spontaneous locomotor and sensory function recovery were verified in the modeling rats. In particular, restoration of BSCB permeability and an evident increase in RVPA with wrapping proliferated astrocytic endfeet in gray matter and neuron survival and synaptic plasticity were confirmed in the adjacent level. TEM findings also proved ultrastructural restoration of the NVU. Thus, NVU compensation changes in the adjacent level may be one of the essential pathomechanisms of SFR in CSM, which could be a promising endogenous target for neurorestoration.
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