Secretory immunoglobulin A and cardiovascular reactions to mental arithmetic and cold pressor.
Secretory immunoglobulin A (sIgA) in saliva and cardiovascular reactions to mental arithmetic and cold pressor tasks were recorded in 16 healthy young men on two sessions, 4 weeks apart. Both tasks elicited significant increases in sIgA secretion rate, reflecting increases in both salivary volume and sIgA concentration. Whereas mental arithmetic elicited a mixed pattern of alpha- and beta-adrenergic cardiovascular reactions, the pattern of reactions to cold pressor was predominantly alpha-adrenergic. Task levels of sIgA secretion rate, sIgA concentration, and saliva volume showed moderate to high test-retest reliability (r = .52-.83), although test-retest correlations were less impressive for change scores (r = -.19-.53). The pattern of correlations between change in sIgA secretion rate and cardiovascular reactivity variables was inconsistent.
Willemsen
G
G
School of Sport and Exercise Sciences, University of Birmingham, UK. willemah@sportex.bham.ac.uk
Ring
C
C
Carroll
D
D
Evans
P
P
Clow
A
A
Hucklebridge
F
F
D000328:Adult; D003080:Cold Temperature / Q000009:adverse effects*; D006439:Hemodynamics / Q000502:physiology*; D006801:Humans; D007071:Immunoglobulin A, Secretory / Q000378:metabolism*; D008297:Male; D008606:Mental Processes / Q000502:physiology*; D011312:Pressure / Q000009:adverse effects*; D012463:Saliva / Q000276:immunology / Q000378:metabolism*; D012472:Salivation / Q000502:physiology; D013315:Stress, Psychological / Q000378:metabolism* / Q000503:physiopathology*
D007071:Immunoglobulin A, Secretory