The relation of severity of depressive symptoms to monocyte-associated proinflammatory cytokines and chemokines in apparently healthy men.


Journal Article

OBJECTIVE:We examined the relation of severity of depressive symptoms to lipopolysaccharide-stimulated expression of monocyte-associated proinflammatory cytokines and chemokines in 53 nonsmoking, healthy men. METHODS:Assessments of cytokine and chemokine expression and severity of depressive symptoms were conducted on the same day. The 21-item Beck Depression Inventory (BDI) was used to assess severity of depressive symptoms experienced during the week before study participation. Dual-color flow cytometry was used to determine monocyte-associated (CD14+) expression of interleukin-1alpha (IL-1alpha), IL-1beta, tumor necrosis factor-alpha (TNF-alpha), IL-8, and monocyte chemotactic protein-1 (MCP-1) after in vitro lipopolysaccharide stimulation of undiluted whole blood. RESULTS:Calculations of partial correlation coefficients controlling for age, race, body mass index, and alcohol use indicated that BDI score was significantly associated with IL-1alpha (r = 0.27), IL-1beta (r = 0.44), TNF-alpha (r = 0.57), MCP-1 (r = 0.52), and IL-8 (r = 0.33). In addition, relative to men with BDI scores below 10, men with BDI scores of 10 or above exhibited an overexpression of IL-1beta (p =.004), TNF-alpha (p =.005), IL-8 (p =.002), and MCP-1 (p =.025). CONCLUSIONS:Relative to men with no or minimal symptoms of depression, men with mild to moderate levels of depressive symptoms showed overexpression of monocyte-associated proinflammatory cytokines and chemokines.

Full Text

Duke Authors

Cited Authors

  • Suarez, EC; Krishnan, RR; Lewis, JG

Published Date

  • May 2003

Published In

Volume / Issue

  • 65 / 3

Start / End Page

  • 362 - 368

PubMed ID

  • 12764208

Pubmed Central ID

  • 12764208

Electronic International Standard Serial Number (EISSN)

  • 1534-7796

International Standard Serial Number (ISSN)

  • 0033-3174

Digital Object Identifier (DOI)

  • 10.1097/01.psy.0000035719.79068.2b


  • eng