1. Postsurgical Depressive Symptoms and Proinflammatory Cytokine Elevations in Women Undergoing Primary Treatment for Breast Cancer.
- Author
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Bouchard LC, Antoni MH, Blomberg BB, Stagl JM, Gudenkauf LM, Jutagir DR, Diaz A, Lechner S, Glück S, Derhagopian RP, and Carver CS
- Subjects
- Adult, Body Mass Index, Breast Neoplasms blood, Breast Neoplasms ethnology, Breast Neoplasms surgery, Comorbidity, Depression blood, Depression ethnology, Depression etiology, Ethnicity, Fatigue blood, Fatigue epidemiology, Fatigue etiology, Female, Humans, Inflammation blood, Lymphocyte Count, Middle Aged, Postoperative Complications blood, Postoperative Complications ethnology, Postoperative Complications etiology, Socioeconomic Factors, Breast Neoplasms psychology, Depression epidemiology, Interleukin-1beta blood, Interleukin-6 blood, Mastectomy psychology, Postoperative Complications epidemiology, Tumor Necrosis Factor-alpha blood
- Abstract
Objective: Depression and inflammation may independently promote breast cancer (BCa) disease progression and poorer clinical outcomes. Depression has been associated with increased levels of inflammatory markers in medically healthy individuals and patients with cancer. However, inconsistencies in study time frames complicate interpretation of results within specific cancer types. This study examined relationships between depressive symptoms and inflammation in women with early-stage BCa before beginning adjuvant treatment., Methods: Women with Stage 0-III BCa were recruited approximately 4 to 8 weeks after surgery. Depressive symptoms were assessed using the Hamilton Rating Scale for Depression, and blood samples were collected to quantify circulating levels of interleukin (IL)-1β, IL-6, and tumor necrosis factor α (TNF-α) by enzyme-linked immunosorbent assay. Analyses of covariance were used to test for group differences (elevated versus low depressive symptoms) in levels of cytokines. Multiple regression analyses were used to examine relationships between continuous severity of depressive symptoms and levels of cytokines adjusting for relevant biobehavioral covariates., Results: Thirty-six (40%) of 89 patients showed elevated levels of depressive symptoms and, in adjusted models, had marginally higher levels of IL-1β (mean [M] = 14.49 [95% confidence interval {CI} = 6.11-32.65] versus M = 4.68 [95% CI = 1.96-9.86] and IL-6 [M = 88.74 {95% CI = 33.28-233.96} versus M = 61.52 {95% CI = 27.44-136.40}]) significantly higher levels of TNF-α (M = 17.07 [95% CI = 8.27-34.32] versus M = 6.94 [95% CI = 3.58-12.80]) than did women with low depressive symptoms. Across the spectrum of depressive symptoms, greater magnitude of depressive symptoms was related to greater levels of IL-1β (β = 0.06, p = .006, R = 0.25) and TNF-α (β = 0.06, p = .003, R = 0.27)., Conclusions: Postsurgery and preadjuvant treatment for early-stage BCa, depressive symptoms covary with elevated levels of multiple proinflammatory cytokines. Findings have implications for psychosocial and biological interventions concurrently focusing on depression and inflammation., Trial Registration: NCT01422551.
- Published
- 2016
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