An update on spinal cord injury research

Cao, Huhua; Dong, Erbao

doi:10.1007/s12264-012-1277-8

Cited by 41 publications

(25 citation statements)

References 91 publications

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“…The condition can result in severe neurological deficits, such as para-and quadriplegia (1). Since traumatic injury to the mammalian spinal cord exhibits a highly dynamic nature, characterized by a complex pattern of insidious, destructive biochemical and pathophysiological events, the potential for functional recovery from the condition is limited (2).…”

Section: Introductionmentioning

confidence: 99%

Batroxobin protects against spinal cord injury in rats by promoting the expression of vascular endothelial growth factor to reduce apoptosis

Lin

et al. 2015

Experimental and Therapeutic Medicine

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Abstract. The host response to spinal cord injury (SCI) can lead to an ischemic environment that can induce cell death. Therapeutic interventions using neurotrophic factors have focused on the prevention of such reactions in order to reduce this cell death. Vascular endothelial growth factor (VEGF) is a potent angiogenic and vascular permeability factor. We hypothesized in this study that batroxobin would exhibit protective effects following SCI by promoting the expression of VEGF to reduce the levels of apoptosis in a rat model of SCI. Ninety adult female Sprague Dawley rats were divided randomly into sham injury (group I), SCI (group II) and batroxobin treatment (group III) groups. The Basso-Bettie-Bresnahan (BBB) scores, number of apoptotic cells and expression of VEGF were assessed at 1, 3, 5, 7, 14 and 28 days post-injury. The BBB scores were significantly improved in group III compared with those in group II between days 5 and 28 post-injury (P<0.05). At each time-point subsequent to the injury, the number of apoptotic cells in group III was reduced compared with that in group II. Compared with group II, treatment with batroxobin significantly increased the expression of VEGF from day 3 until 2 weeks post-SCI (P<0.05), while no significant difference was observed at day 28. These data suggest that batroxobin has multiple beneficial effects on SCI, indicating a potential clinical application.

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Section: Introductionmentioning

confidence: 99%

Batroxobin protects against spinal cord injury in rats by promoting the expression of vascular endothelial growth factor to reduce apoptosis

Lin

et al. 2015

Experimental and Therapeutic Medicine

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“…Patients with SCI may develop severe neurological damage and dysfunction (1,2). Primary injury (mechanical injury) is the characteristic pathophysiology of acute SCI, which is followed by a phase of 'secondary injury' involving ischemia, calcium-and sodium-mediated cellular injury, cell death, inflammation and apoptosis (3,4).…”

Section: Introductionmentioning

confidence: 99%

The role of the JAK-STAT pathway in neural stem cells, neural progenitor cells and reactive astrocytes after spinal cord injury

et al. 2014

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Abstract.Patients with spinal cord injuries can develop severe neurological damage and dysfunction, which is not only induced by primary but also by secondary injuries. As an evolutionarily conserved pathway of eukaryotes, the JAK-STAT pathway is associated with cell growth, survival, development and differentiation; activation of the JAK-STAT pathway has been previously reported in central nervous system injury. The JAK-STAT pathway is directly associated with neurogenesis and glia scar formation in the injury region. Following injury of the axon, the overexpression and activation of STAT3 is exhibited specifically in protecting neurons. To investigate the role of the JAK-STAT pathway in neuroprotection, we summarized the effect of JAK-STAT pathway in the following three sections: Firstly, the modulation of JAK-STAT pathway in proliferation and differentiation of neural stem cells and neural progenitor cells is discussed; secondly, the time-dependent effect of JAK-STAT pathway in reactive astrocytes to reveal their capability of neuroprotection is revealed and lastly, we focus on how the astrocyte-secretory polypeptides (astrocyte-derived cytokines and trophic factors) accomplish neuroprotection via the JAK-STAT pathway.

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“…There are thousands of new cases of SCi in the world annually [1,2] occurring often in young adults. The lack of endogenous repair and the significant costs to the individual, family and society [1] are important motivations behind the continuing efforts to develop effective therapies.…”

Section: Introductionmentioning

confidence: 99%

Biomaterials for spinal cord repair

Haggerty

Oudega

2013

Neurosci. Bull.

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Spinal cord injury (SCi) results in permanent loss of function leading to often devastating personal, economic and social problems. A contributing factor to the permanence of SCi is that damaged axons do not regenerate, which prevents the re-establishment of axonal circuits involved in function. Many groups are working to develop treatments that address the lack of axon regeneration after SCi. The emergence of biomaterials for regeneration and increased collaboration between engineers, basic and translational scientists, and clinicians hold promise for the development of effective therapies for SCi. A plethora of biomaterials is available and has been tested in various models of SCi. Considering the clinical relevance of contusion injuries, we primarily focus on polymers that meet the specific criteria for addressing this type of injury. Biomaterials may provide structural support and/or serve as a delivery vehicle for factors to arrest growth inhibition and promote axonal growth. Designing materials to address the specific needs of the damaged central nervous system is crucial and possible with current technology. Here, we review the most prominent materials, their optimal characteristics, and their potential roles in repairing and regenerating damaged axons following SCi.Keywords: spinal cord injury; axon regeneration; biodegradable materials; extracellular matrix proteins; functional recovery; growth factor; guidance; injury and repair; spinal motor neuron IntroductionSpinal cord injury (SCi) causes loss of neurons and axons resulting in motor and sensory function impairments. There are thousands of new cases of SCi in the world annually [1,2] occurring often in young adults. The lack of endogenous repair and the significant costs to the individual, family and society [1] are important motivations behind the continuing efforts to develop effective therapies. Promoting axonal regeneration is considered a potential repair strategy because it could lead to recovery of axonal circuits involved in motor and/or sensory function [3] .The central nervous system (CNS) neurons are intrinsically capable of some regeneration of damaged axons [4] but their attempts after SCi are frustrated by structural and chemical obstructions in the damaged nervous tissue [5] . Spinal cord repair approaches typically lead to small functional gains. one feature that most of these approaches have in common is a poor axonal regeneration response, suggesting that promoting axonal regeneration, including synapse formation, is essential to achieve substantial functional repair after SCi. if so, it is rational to anticipate that effective spinal cord therapies will need to include interventions addressing the axon growth-inhibition that leads to the poor axonal growth responses. As introduced above, axonal regeneration is considered an important repair mechanism for the injured spinal cord. Therefore, this review focuses on materials that have shown most promise to elicit an axonal regeneration response to foster functional restoration after ...

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An update on spinal cord injury research

Cited by 41 publications

References 91 publications

Batroxobin protects against spinal cord injury in rats by promoting the expression of vascular endothelial growth factor to reduce apoptosis

Batroxobin protects against spinal cord injury in rats by promoting the expression of vascular endothelial growth factor to reduce apoptosis

The role of the JAK-STAT pathway in neural stem cells, neural progenitor cells and reactive astrocytes after spinal cord injury

Biomaterials for spinal cord repair

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