Endocannabinoids, cortisol, and development of post-traumatic psychopathological trajectories - 05/12/23
, Jacklynn M. Fitzgerald c , Cecilia J. Hillard d , Terri A. de Roon-Cassini b, e, ⁎ Abstract |
Objective |
Our prior published work using the 2-factor model of PTSD identified four subgroups of trauma survivors on average 6 months following trauma: Resilient, Dysphoria, High Comorbid, and Severe Comorbid. Some findings indicate that low and high cortisol responses may increase risk for the development of PTSD and depression respectively, yet ways in which cortisol interacts with other physiological systems to enhance risk is unclear. This study examined the role of circulating eCBs in the development of previously identified psychopathological trajectories that is differentiated by cortisol in traumatically injured adults (N = 169).
Methods |
Circulating concentrations of eCBs, 2-arachidonoylglycerol (2-AG) and N-arachidonoylethanolamine (AEA) were measured during post-injury hospitalization and on average 6 months following trauma. Differences in 2-AG and AEA among the subgroups were tested using multivariate ANCOVA.
Results |
Dysphoria (with highest cortisol levels) and High Comorbid subgroups exhibited higher post-injury AEA compared to the Resilient group. Dysphoria subgroup showed a significant decline in AEA by 6 months compared to Resilient and High Comorbid subgroups.
Conclusion |
Change in AEA over time in individuals with high post-injury cortisol may serve as a buffer against risk for severe psychopathology. Assessing AEA and cortisol levels concurrently across time may serve as indicators of risk.
Le texte complet de cet article est disponible en PDF.Highlights |
• | Resilient, Dysphoria, High Comorbid, and Severe Comorbid are possible trajectories following trauma exposure. |
• | Interaction between cortisol and endocannabinoids are possible biomarkers for post-traumatic trajectories. |
• | Change in endocannabinoids over time may serve as a buffer against risk for severe psychopathology. |
Keywords : Trauma, Endocannabinoids, Cortisol, Posttraumatic stress disorder, Depression, Dysphoria
Plan
Vol 85
P. 199-206 - novembre 2023 Retour au numéro
Article précédent
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