Depression, Antidepressants, and Plasma Amyloid β (Beta) Peptides in Those Elderly Who Do Not Have Cardiovascular Disease

Xiaoyan Sun, D. Mkaya Mwamburi, Kathleen Bungay, Jasmin Prasad, Jacqueline Yee, Yu min Lin, Timothy C. Liu, Paul Summergrad, Marshal F. Folstein, Wei Qiao Qiu

Research output: Contribution to journalArticle

Abstract

Background: Low plasma amyloid-β peptide 42 (Aβ42) is associated with depressive symptoms independently of cardiovascular disease (CVD) in the elderly. It is critical to investigate whether antidepressants modify this relationship. Methods: We evaluated 324 elders without CVD in a cross-sectional study. Depression was evaluated with the Center for Epidemiological Studies Depression (CES-D) scale. Antidepressants were documented. Plasma Aβ40 and Aβ42 were measured. Results: In the absence of CVD, those with depression had lower plasma Aβ42 (median: 13.7 vs. 18.8 pg/mL, p = .003) than those without. Depressed subjects on antidepressant treatment had a lower concentration of plasma Aβ40 (median: 97.8 vs. 133.5 pg/mL, p = .008), but not Aβ42, than those without the treatment. Multivariate logistic regression showed that antidepressant use did not influence the relationship between depression and low plasma Aβ42 (odds ratio = .55; 95% CI = .33, .90; p = .02) after adjusting for confounders, but its use interacted with plasma Aβ40 in the model. Conclusions: Lower concentration of plasma Aβ42 is associated with depression in the absence of CVD that is not related to the antidepressant use by those subjects. Prospective studies are needed to determine whether depression associated with low plasma Aβ42 predicts the onset of Alzheimer's disease.

Original languageEnglish (US)
Pages (from-to)1413-1417
Number of pages5
JournalBiological Psychiatry
Volume62
Issue number12
DOIs
StatePublished - Dec 15 2007
Externally publishedYes

Fingerprint

Amyloid beta-Peptides
Antidepressive Agents
Amyloid
Cardiovascular Diseases
Depression
Peptides
Epidemiologic Studies
Alzheimer Disease
Cross-Sectional Studies
Logistic Models
Odds Ratio
Prospective Studies
Therapeutics

Keywords

  • Alzheimer's disease (AD)
  • amyloid-β peptide 42 (Aβ42)
  • antidepressants
  • depression

ASJC Scopus subject areas

  • Biological Psychiatry

Cite this

Depression, Antidepressants, and Plasma Amyloid β (Beta) Peptides in Those Elderly Who Do Not Have Cardiovascular Disease. / Sun, Xiaoyan; Mwamburi, D. Mkaya; Bungay, Kathleen; Prasad, Jasmin; Yee, Jacqueline; Lin, Yu min; Liu, Timothy C.; Summergrad, Paul; Folstein, Marshal F.; Qiu, Wei Qiao.

In: Biological Psychiatry, Vol. 62, No. 12, 15.12.2007, p. 1413-1417.

Research output: Contribution to journalArticle

Sun, X, Mwamburi, DM, Bungay, K, Prasad, J, Yee, J, Lin, YM, Liu, TC, Summergrad, P, Folstein, MF & Qiu, WQ 2007, 'Depression, Antidepressants, and Plasma Amyloid β (Beta) Peptides in Those Elderly Who Do Not Have Cardiovascular Disease', Biological Psychiatry, vol. 62, no. 12, pp. 1413-1417. https://doi.org/10.1016/j.biopsych.2007.01.003
Sun, Xiaoyan ; Mwamburi, D. Mkaya ; Bungay, Kathleen ; Prasad, Jasmin ; Yee, Jacqueline ; Lin, Yu min ; Liu, Timothy C. ; Summergrad, Paul ; Folstein, Marshal F. ; Qiu, Wei Qiao. / Depression, Antidepressants, and Plasma Amyloid β (Beta) Peptides in Those Elderly Who Do Not Have Cardiovascular Disease. In: Biological Psychiatry. 2007 ; Vol. 62, No. 12. pp. 1413-1417.
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