https://doi.org/10.4081/1194

Effects of castration on the immunoreactivity to NGF, BDNF and their receptors in the pelvic ganglia of the male rat

Vol. 52 No. 2 (2008)
Published: 14 August 2009
Abstract Views: 523
PDF: 464
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Authors

C Squillacioti
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A De Luca
G Paino
N Mirabella
Nerve growth factor (NGF) and brain derived neurotrophic factor (BDNF) and are members of the neurotrophin family, a family of neurotrophic factors that also includes neurotrophin (NT) 3 and NT4/5. Neurotrophins have essential roles in the survival, development and differentiation of neurons in the central and peripheral nervous systems. Neurotrophins exert their effects by binding to corresponding receptors which are formed by the tyrosine protein kinases TrkA, TrkB and TrkC, and the low affinity neurotrophic receptor (p75NTR). In the present study, using immunohistochemistry and quantitative analysis, we have investigated immunoreactivity to BDNF, NGF, TrkB, p75NTR and TrkA in the pelvic ganglia of normal and castrated rats. Neurons of the pelvic ganglia expressed both these neurotrophins and their receptors. After castration the immunoreactivity persisted. However, the number of BDNF- and p75NTR–IR cells statistically significant decreased after castration. These results suggest that castration modulates the expression of neurotrophins and their receptors in pelvic autonomic neurons.

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How to Cite

Squillacioti, C., De Luca, A., Paino, G., & Mirabella, N. (2009). Effects of castration on the immunoreactivity to NGF, BDNF and their receptors in the pelvic ganglia of the male rat. European Journal of Histochemistry, 52(2), 101–106. https://doi.org/10.4081/1194

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