Immunohistochemical distribution of NGF, BDNF, NT-3, and NT-4 in adult rhesus monkey brains

The Journal of Histochemistry and Cytochemistry : Official Journal of the Histochemistry Society
Hong-Tian ZhangTim Ting-Hua Wang

Abstract

Immunohistochemical distribution and cellular localization of neurotrophins was investigated in adult monkey brains using antisera against nerve growth factor (NGF), brain-derived neurotrophic factor (BDNF), neurotrophin-3 (NT-3), and neurotrophin-4 (NT-4). Western blot analysis showed that each antibody specifically recognized appropriate bands of approximately 14.7 kDa, 14.2 kDa, 13.6 kDa, and 14.5 kDa, for NGF, BDNF, NT-3, and NT-4, respectively. These positions coincided with the molecular masses of the neurotrophins studied. Furthermore, sections exposed to primary antiserum preadsorbed with full-length NGF, BDNF, NT-3, and NT-4 exhibited no detectable immunoreactivity, demonstrating specificities of the antibodies against the tissues prepared from rhesus monkeys. The study provided a systematic report on the distribution of NGF, BDNF, NT-3, and NT-4 in the monkey brain. Varying intensity of immunostaining was observed in the somata and processes of a wide variety of neurons and glial cells in the cerebrum, cerebellum, hippocampus, and other regions of the brain. Neurons in some regions such as the cerebral cortex and the hippocampus, which stained for neurotrophins, also expressed neurotrophic factor mRNA. In some other b...Continue Reading

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Related Concepts

Nerve Growth Factor gamma Subunit
Protein Distribution
Immunoreactivity
Neurons
Brain
Recombinant Brain-Derived Growth Factors
Brain-Derived Neurotrophic Factor Measurement
Immune Sera
Cerebrum
Neurotrophic factor

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