Reduced immunoreactivity of adenylyl cyclase in dementia of the Alzheimer type.

Abstract:

:The amounts of three adenylyl cyclase (AC) subtypes in membranes from brain obtained post-mortem from patients with dementia of Alzheimer type (DAT) and controls were studied by Western blotting using polyclonal antibodies. AC subtypes were characterized by preabsorption by complementary peptides, species difference, tissue distribution and by using AC-VI-transfected cells. Immunoreactivities of AC-I and AC-II subtypes, which are predominant in brain tissue were decreased 40.5% (p < 0.02) and 52.0% (p < 0.02), respectively in DAT compared with controls. No significant difference in immunoreactivity of AC-V/VI subtypes distributed in various other tissues was observed. Our results are the first to indicate that reduced levels of brain-specific AC subtypes occur in DAT.

journal_name

Neuroreport

journal_title

Neuroreport

authors

Yamamoto M,Ozawa H,Saito T,Frölich L,Riederer P,Takahata N

doi

10.1097/00001756-199611250-00033

subject

Has Abstract

pub_date

1996-11-25 00:00:00

pages

2965-70

issue

18

eissn

0959-4965

issn

1473-558X

journal_volume

7

pub_type

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