Quantifying Transient Psychological Stress Using a Novel Technique: Changes to PMA-Induced Leukocyte Production of ROS In Vitro

• Autorzy: Shelton-Rayner G. K. , Mian R. , Chandler S. , Robertson D. , Macdonald D. W.
• Języki publikacji: EN

Abstrakty

EN

Although much work has been conducted to quantify the long-term physiological effects of psychological stress, measures of short-term, low-level stress have been more elusive. This study assessed the effect of exposure of volunteers to a mild, brief, psychologically stressful event, on the functional ability of leukocytes in whole blood to respond to phorbol 12-myristate 13-acetate (PMA) in vitro. Volunteers operated a car electric window and adjusted it to 4 pre-determined positions. Between each operation the mechanism’s polarity was covertly altered (group B) or remained unaltered (group A). For each treatment group 10 different subjects provided capillary blood samples pre- and post-stressor. Using a chemiluminescent technique termed leukocyte coping capacity, the ability of leukocytes to produce reactive oxygen species (ROS) in vitro was assessed. ROS release differed significantly at 10 min post-stressor between treatment groups, suggesting exposure to acute psychological stress leads to a reduced ability to respond to bacterial challenge.

Słowa kluczowe

EN

chemiluminescence; humans; leukocytes; luminol; momentary confusion; psychological stress; reactive oxygen species

• Wydawca: Taylor & Francis
• Czasopismo: International Journal of Occupational Safety and Ergonomics
• Rocznik: 2011
• Tom: Vol. 17, No. 1
• Strony: 3--13
• Opis fizyczny: Bibliogr. 35 poz., rys., wykr.

Twórcy

autor

Shelton-Rayner G. K.

• Faculty of Health and Life Sciences, Coventry University, Coventry, UK

autor

Mian R.

• Oxford MediStress Ltd., Birmingham, UK

autor

Chandler S.

• Jaguar and Land Rover Research Department, Coventry, UK

autor

Robertson D.

• Jaguar and Land Rover Research Department, Coventry, UK

autor

Macdonald D. W.

• Zoology Department, University of Oxford, UK

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