Abstract
In order to examine the post-transcriptional regulations in Alzheimer's disease, we employed immunohistochemical techniques and examined the expression of heterogeneous nuclear ribonucleoprotein (hnRNP) B1 in the inferior temporal cortex of subjects with Alzheimer's disease. In the mild cases, intense B1 immunoreactivity was observed in neurons of layer V, and less intense immunoreactivity was observed in layers II and III. The overall distributions and intensities of B1 immunoreactivity were undistinguishable among mild, moderate, and severe cases. Double-immunolabeling with MC1 and B1 demonstrated that B1 immunoreactivity was preserved in the majority of neurofibrillary tangle (NFT)-bearing neurons. Our study suggests that hnRNP B1-associated post-transcriptional regulations are preserved in the inferior temporal cortex of Alzheimer's disease.
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