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We examined calcitonin gene-related peptide (CGRP) expression dynamics in the dorsal root ganglia (DRGs) and spinal cords of adult rats subjected to one of the following three types of unilateral sciatic nerve injury: crush (SNC), ligation (SNL), or transection combined with subsequent neurorrhaphy (SNT). Following SNC, CGRP immunoreactivity (IR) was(More)
Robos are transmembrane receptors that mediate Slit signaling to repel growth cone outgrowth and neural migration in the developing central nervous system. Their distribution and function in the peripheral nervous system remains unclear. In the present study, we examined expression of Slit1 and Robo2 in adult rat dorsal root ganglion (DRG), spinal cord and(More)
MicroRNAs (miRNAs) play an important role in the development, differentiation, proliferation, survival, and oncogenesis of cells and organisms including nervous system. However, the role of miRNAs in primary neurons of dorsal root ganglion (DRG) after injury was not clear. In this study, a miRNA microarray analysis was performed, and a total of 21 miRNAs(More)
OBJECTIVE To explore the effects of exogenous transforming growth factor-beta 1 (TGFbeta1) on peripheral nerve regeneration after the peripheral nerve injury and if TGFbeta1 regulates the expression of basic fibroblast growth factor (bFGF) in the anterior horn motoneurons of spinal cord during regeneration. METHODS Forty-eight rats were crushed on the(More)
Hepatocyte growth factor (HGF) and its receptor c-Met play pivotal roles in post-traumatic regeneration of the nervous system. However, following peripheral nerve injury, the role and regulation of the HGF/c-Met system is less clear. Therefore, using a sciatic nerve ligation (SNL) model, spatiotemporal changes in HGF and c-Met expression were detected in(More)
The Slit-Robo GTPase-activating proteins (srGAPs) play an important role in neurite outgrowth and axon guidance; however, little is known about its role in nerve regeneration after injury. Here, we studied the expression of srGAPs in mouse dorsal root ganglia (DRG) following sciatic nerve transection (SNT) using morphometric and immunohistochemical(More)
OBJECTIVE To determine the chemical structure of the new compound and investigate the protective effects of Tinosporaic acid A and B towards in-vitro neuro. METHODS The structures of two new compounds were established by analyzing its 1D and 2D NMR spectra as well as HRESIMS. Their neuroprotective effects with respect to the antioxidant properties were(More)
OBJECTIVE To explore effect of srGAP3 promotes neurite outgrowth of dorsal root ganglion neurons. METHODS In this study, expression of Slit1 was observed predominantly in the glia, while expression of Robo2 and srGAP3 was detected in sensory neurons of postnatal rat cultured dorsal root ganglion (DRG). Furthermore, upregulation of srGAP3 following sciatic(More)
OBJECTIVE To study The protective effect of puerarin on Abeta(25-35)-induced PC12 cell injury. METHODS PC12 cells were treated with puerarin for 0.5 h, then incubated with Abeta(25-35) (50 micromol/L) for 24 h to investigate the production of reactive oxygen species (ROS), mitochondrial membrane potential levels and Caspase-3 activation; The expressions(More)
OBJECTIVE To investigate whether Hainan papayas has protective effects in an Aβ40-induced primary neuron injury model and elucidate the underlying molecular mechanism. METHODS Cultured primary neurons from the dorsal root ganglia (DRG) of Sprague-Dawley (SD) rats were treated with 20 μM Aβ40 peptide, 100 μg/L Hainan papaya water extract, peptide plus(More)
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