Abstract：
:The distribution of the regulatory (RII beta) subunits of type II cAMP-dependent protein kinase in cortical and subcortical areas was examined in human control and Alzheimer's disease (AD) brains. Four monoclonal antibodies generated against bovine brain RII, which cross-reacted with human brain RII beta, detected RII-immunoreactivity in pyramidal neurons of the hippocampus and frontal, occipital, parietal and superior temporal cortices and in non-pyramidal neurons of the amygdala and putamen. RII beta immunoreactivity was localized to neuronal perikarya, proximal dendrites and cell processes. With the exception of rare processes in the ventroposterior lateral nucleus, RII-immunoreactivity was not seen in the thalamus. Other areas lacking RII-immunoreactivity included the midbrain, caudate nucleus and globus pallidus. RII-immunoreactivity was not detected in endothelia or glia. Except for the neocortex, the distribution of RII beta immunoreactivity was the same in AD and non-demented control brains; however, cell bodies and their processes stained more intensely and uniformly in the neocortical regions of non-demented controls compared to AD. In the neocortex of AD, RII beta immunoreactivity was substantially decreased in the superior temporal and occipital cortices, but not in the frontal cortex. Our data suggest that RII subunits are regionally distributed in the human brain. RII-immunoreactivity was decreased in some regions of neocortex in AD, but it did not preferentially colocalize with neurofibrillary tangles (NFT), senile plaques, or neuropil threads.
journal_name
Brain Resjournal_title
Brain researchauthors
Licameli V,Mattiace LA,Erlichman J,Davies P,Dickson D,Shafit-Zagardo Bdoi
10.1016/0006-8993(92)90230-7subject
Has Abstractpub_date
1992-04-24 00:00:00pages
61-8issue
1-2eissn
0006-8993issn
1872-6240pii
0006-8993(92)90230-7journal_volume
578pub_type
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