Biomarkers : biochemical indicators of exposure, response, and susceptibility to chemicals · 2021
Evaluating the activity of salivary enzymes as stress biomarkers under psychological stress and their relationship with rumination and personality traits.
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Roshanmehr Hoshang, Tavakoli Ramin, Khaledi Mansoor, Fathi Javad, Shafiea Seed Mohamad, Aberomand Mohammad, Afkhami Hamed, Branson Bobby, Daghagheleh Robab, Rastegar Shahdokht
Аннотация
BACKGROUND: Salivary enzymes are used as non-invasive biomarkers to assess the activity of the sympathetic-adrenal-medullary system. The aim of this study was to evaluated levels of acid phosphatase, beta-glucuronidase and cathepsin salivary enzymes under psychological tension and their connection with rumination and personality traits.
METHODS: A total of 60 medical students, who wanted to participate in the final exam, two months before the exam, the inventory emotional control questionnaire and the neo-short form were completed. Saliva samples were taken in both the basal conditions and under exam stress.
RESULTS: A significant difference was found between the mean of level salivary enzymes in rest and under exam stress. Also, we found a positive and significant correlation between the activity of salivary enzymes and personality traits such as neuroticism, extraversion, agreeableness and rumination (p < .01, p < .05) level. Neuroticism, agreeableness and rumination predicted 45% of the variance of salivary acid phosphatase, neuroticism and rumination predicted 49% of the variance of salivary beta-glucuronidase and neuroticism, extraversion and rumination predicted 38% of the variance of salivary cathepsin under stress exam.
CONCLUSION: The results of this study show, levels of salivary enzymes may increase in individuals with traits of neuroticism, extraversion, agreeableness and rumination through response to psychological stressors.
METHODS: A total of 60 medical students, who wanted to participate in the final exam, two months before the exam, the inventory emotional control questionnaire and the neo-short form were completed. Saliva samples were taken in both the basal conditions and under exam stress.
RESULTS: A significant difference was found between the mean of level salivary enzymes in rest and under exam stress. Also, we found a positive and significant correlation between the activity of salivary enzymes and personality traits such as neuroticism, extraversion, agreeableness and rumination (p < .01, p < .05) level. Neuroticism, agreeableness and rumination predicted 45% of the variance of salivary acid phosphatase, neuroticism and rumination predicted 49% of the variance of salivary beta-glucuronidase and neuroticism, extraversion and rumination predicted 38% of the variance of salivary cathepsin under stress exam.
CONCLUSION: The results of this study show, levels of salivary enzymes may increase in individuals with traits of neuroticism, extraversion, agreeableness and rumination through response to psychological stressors.