Journal
JOURNAL OF AFFECTIVE DISORDERS
Volume 182, Issue -, Pages 18-22Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jad.2015.04.036
Keywords
PTSD; Cortisone; Hair; 5-Factor PTSD model; Females
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Funding
- National Key Technology Research and Development Program of China [2013BAI08B02]
- Chinese Academy of Sciences [KJZD-EW-L04, KSCX2-EW-J-8]
- National Natural Science Foundation of China [31271099, 91132728, 81471122]
- Outstanding Young Investigator Foundation of the Institute of Psychology, Chinese Academy of Sciences
- Key Laboratory of Mental Health, Institute of Psychology, Chinese Academy of Sciences
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Background: Cortisone has been proposed as a useful additional biomarker for stress research. However, only very limited studies has investigated alterations of cortisone levels in stress-related mental disorder such as PTSD. The present study investigated the associations between PTSD symptomatology and hair cortisone levels which can reflect cumulative cortisone secretion over prolonged periods of time and is more robust to the influence of situational confounding. Methods: Participants included 201 females who experienced 2008 Wenchuan earthquake and lost their children during the disaster. PTSD symptoms were assessed with the PTSD Checklist (PCL), and depression symptoms with the Center for epidemiological studies depression scale (CES-D). Hair cortisone levels were quantified by liquid chromatography tandem mass spectrometer. Results: The results indicated that although hair cortisone secretion could not distinguish traumatized individuals with and without PTSD, it was uniquely linked to clysphoric arousal symptoms, a key aspect of the complex PTSD phenotype Limitations: A sample of females exposed to specific traumatic events was used, and PTSD was assessed using a self-reported measure. Conclusions: The findings provide preliminary evidence supporting the critical role of long-term cortisone changes in the development and maintenance of PTSD symptoms, and add to extant knowledge on the neuroendocrinological underpinnings of posttraumatic psychopathology. (C) 2015 Elsevier B.V. All rights reserved.
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