Serum Dehydroepiandrosterone (DHEA) and DHEA-Sulfate (DHEA-S) in Alzheimer's Disease and in Cerebrovascular Dementia

[Abstract.] A decreased concentration of dehydroepiandrosterone sulfate (DHEA-S) in patients with Alzheimer's disease (AD) has been reported but is still controversial. In the present study, serum concentrations of DHEA and DHEA-S were determined in 19 patients with AD, 21 patients with cerebro...

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Published in:ENDOCRINE JOURNAL 1996, Vol.43 (1), p.119-123
Main Authors: TOSHIHIKO YANASE, MOTOFUMI FUKAHORI, SUSUMU TANIGUCHI, YOSHIHIRO NISHI, YOSHIYUKI SAKAI, RYOICHI TAKAYANAGI, MASAFUMI HAJI, HAJIME NAWATA
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Language:Japanese
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Summary:[Abstract.] A decreased concentration of dehydroepiandrosterone sulfate (DHEA-S) in patients with Alzheimer's disease (AD) has been reported but is still controversial. In the present study, serum concentrations of DHEA and DHEA-S were determined in 19 patients with AD, 21 patients with cerebrovascular dementia (CVD) and 45 age- and gender matched elderly control individuals from the Japanese community at large. Serum concentrations of DHEA among controls, patients with AD and patients with CVD did not significantly differ from one another. However, patients with AD and patients with CVD were found to have lower concentrations of serum DHEA-S and a lower DHEA-S/DHEA ratio compared to normal control individuals. No significant difference was observed in the concentration of serum DHEA-S or the DHEA-S/DHEA ratio between patients with AD and those with CVD. These results suggest that reduced concentrations of serum DHEA-S may not be unique to AD, but instead reflect a common phenomenon in dementing diseases. However, since serum concentration of DHEA in these patients remained unchanged, the significance of DHEA in dementia remains unclear.
ISSN:0918-8959