Salivary nerve growth factor response to intense stress

Effect of sex and body mass index

Marcus K. Taylor, Heidemarie K. Laurent, Gerald E. Larson, Mitchell J. Rauh, Melissa D. Hiller Lauby, Douglas A. Granger

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

Ample evidence links stress to psychiatric and neurological disease. Although many studies examine stress hormone secretion and receptor activity, exciting new developments signify a shift in focus to neuromodulatory systems influencing neuronal development, survival, and neuroplasticity. The purpose of this study was to characterize salivary nerve growth factor (sNGF) responses to intense stress exposure in healthy military members undergoing survival training. A second purpose was to explore effects of age, sex, education, and body mass index (BMI). One hundred sixteen military members (80% male) were studied before, during, and 24. h after a stressful mock-captivity exercise. sNGF was measured at all three time points. Reactivity, recovery, and residual elevation of sNGF were computed. General linear modeling with repeated measures evaluated effect of stress exposure, as well as the roles of age, sex, education, and BMI. sNGF increased 137% from baseline to intense stress. During recovery, sNGF remained elevated an average of 67% above baseline (i.e., residual elevation). Men showed greater sNGF reactivity than women quantified by larger absolute T1. - T2δ (+148.1. pg/mL vs. +64.9. pg/mL, p< 0.017). A noteworthy trend of higher sNGF concentrations in low BMI participants was observed (p= 0.058). No effects of age or education were shown. This study shows substantial reactivity and residual elevation of sNGF in response to intense stress exposure in healthy humans. Further research is needed to refine the sNGF assay, fully characterize the sNGF stress response, delineate correlates and mechanisms, and validate therapeutic applications.

Original languageEnglish (US)
Pages (from-to)90-94
Number of pages5
JournalPsychoneuroendocrinology
Volume43
DOIs
StatePublished - 2014

Fingerprint

Nerve Growth Factor
Body Mass Index
Sex Education
Neuronal Plasticity
Survival
Psychiatry
Hormones
Exercise
Education

Keywords

  • Body mass index
  • Military
  • Nerve growth factor
  • Plasticity
  • Sex differences
  • Stress
  • Survival

ASJC Scopus subject areas

  • Endocrinology
  • Endocrinology, Diabetes and Metabolism
  • Psychiatry and Mental health
  • Biological Psychiatry
  • Endocrine and Autonomic Systems
  • Medicine(all)

Cite this

Taylor, M. K., Laurent, H. K., Larson, G. E., Rauh, M. J., Hiller Lauby, M. D., & Granger, D. A. (2014). Salivary nerve growth factor response to intense stress: Effect of sex and body mass index. Psychoneuroendocrinology, 43, 90-94. https://doi.org/10.1016/j.psyneuen.2014.02.005

Salivary nerve growth factor response to intense stress : Effect of sex and body mass index. / Taylor, Marcus K.; Laurent, Heidemarie K.; Larson, Gerald E.; Rauh, Mitchell J.; Hiller Lauby, Melissa D.; Granger, Douglas A.

In: Psychoneuroendocrinology, Vol. 43, 2014, p. 90-94.

Research output: Contribution to journalArticle

Taylor, MK, Laurent, HK, Larson, GE, Rauh, MJ, Hiller Lauby, MD & Granger, DA 2014, 'Salivary nerve growth factor response to intense stress: Effect of sex and body mass index', Psychoneuroendocrinology, vol. 43, pp. 90-94. https://doi.org/10.1016/j.psyneuen.2014.02.005
Taylor, Marcus K. ; Laurent, Heidemarie K. ; Larson, Gerald E. ; Rauh, Mitchell J. ; Hiller Lauby, Melissa D. ; Granger, Douglas A. / Salivary nerve growth factor response to intense stress : Effect of sex and body mass index. In: Psychoneuroendocrinology. 2014 ; Vol. 43. pp. 90-94.
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