PMID: 9548709Apr 21, 1998Paper

Cellular immune responses to acute stress in female caregivers of dementia patients and matched controls

Health Psychology : Official Journal of the Division of Health Psychology, American Psychological Association
J T CacioppoR Glaser

Abstract

This study investigated whether the stress of caregiving alters cellular immune responses to acute psychological stressors. Twenty-seven women caring for a spouse with a progressive dementia (high chronic stress) and 37 controls matched for age and family income performed a 12-min laboratory stressor. Cellular immune function was assessed by both functional and quantitative measures taken before (low acute stress), immediately after (high acute stress), and 30 min after (recovery from stress) exposure to the laboratory stressors. The laboratory challenges were associated with diminished proliferative responses but elevated natural killer (NK) cell cytotoxicity; however, subsequent analyses suggested that this elevated cytotoxicity was largely attributable to an increase in the number of NK cells in peripheral blood. The results suggest that although the stress of caregiving diminishes cellular immune function, caregiving appears to have little effect on cellular immune responses to or recovery from brief psychological challenges.

Citations

Jun 12, 2001·Journal of Psychosomatic Research·D Spiegel
Jul 15, 2004·Psychological Bulletin·Suzanne C Segerstrom, Gregory E Miller
May 18, 2010·Quality of Life Research : an International Journal of Quality of Life Aspects of Treatment, Care and Rehabilitation·Whitney P WittCarissa A Gottlieb

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