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Jpn J Clin Oncol. 2011 Oct;41(10):1233-7. doi: 10.1093/jjco/hyr119. Epub 2011 Sep 16.

Serum brain-derived neurotrophic factor and antidepressant-naive major depression after lung cancer diagnosis.

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1
Psycho-Oncology Division, Research Center for Innovative Oncology, National Cancer Center Hospital East, Kashiwa-City, Chiba, Japan.

Abstract

Previous studies have reported the existence of an association between brain-derived neurotrophic factor and major depression. However, the possible role of brain-derived neurotrophic factor in the pathophysiology of major depression after cancer diagnosis has not yet been investigated. Subjects were collected using the Lung Cancer Database project. Using the cut-off scores on the depression subscale of the Hospital Anxiety and Depression Scale (HADS-D), 81 subjects with depression (HADS-D > 10) and 81 subjects without depression (HADS-D < 5) were selected. The two groups were matched for age, sex, clinical stage and performance status. The serum brain-derived neurotrophic factor levels were measured using an enzyme-linked immunosorbent assay method. The serum brain-derived neurotrophic factor levels were not statistically different between the subjects in the depression group [29.1 (13.6) ng/ml; mean (SD)] and the non-depression group [31.4 (10.6) ng/ml] (P = 0.22). In a stratified analysis by gender, however, the mean serum brain-derived neurotrophic factor level in the depression group tended to be lower than that in the non-depression group among women (n = 24 pairs, P = 0.06). Major depression after cancer diagnosis is not associated with serum brain-derived neurotrophic factor levels.

PMID:
21926098
DOI:
10.1093/jjco/hyr119
[Indexed for MEDLINE]
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