Abstract
Cerebrospinal fluid (CSF) is secreted by the choroids plexuses and has the potential to act as a signaling pathway for physiological control as it has been demonstrated to contain molecules such as interleukins, leukoterins, neuropeptides, growth transforming factor-beta (TGF-beta) and nerve growth factor (NGF), which are present at specific times during development. In this study, CSF from hydrocephalic and normal children were analysed using SDS-PAGE followed by silver staining. In order to obtain semi-quantitative estimates of the relative amounts of 26 kDa protein, an image analyzer was used to determine the intensities of the band in the respective lanes in silver-stained gels. Quantification of the silver-stained gels from repeated experiments showed that the amount of 26 kDa protein was clearly increases in the hydrocephalic CSF when compared with the normal CSF. A Western blot analysis using anti-NGF antibody as a probe confirmed the presence of NGF. Using enzyme-linked immunosorbent assay (ELISA), it was shown that the level of NGF in the hydrocephalic CSF is higher than in normal CSF. It is concluded that NGF is not only a constant component of human CSF but could also be significantly involved in the pathophysiology of hydrocephalus.
Published Version
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