{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,26]],"date-time":"2026-08-26T21:11:35Z","timestamp":1787778695002,"version":"build-2784847793"},"reference-count":75,"publisher":"SAGE Publications","issue":"1","license":[{"start":{"date-parts":[[2020,10,1]],"date-time":"2020-10-01T00:00:00Z","timestamp":1601510400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"},{"start":{"date-parts":[[2020,10,1]],"date-time":"2020-10-01T00:00:00Z","timestamp":1601510400000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["Neurotrauma Reports"],"published-print":{"date-parts":[[2020,10]]},"abstract":"<jats:p>\n                    Traumatic brain injury (TBI) survivors suffer from a range of morbidities, including post-traumatic endocrinopathies that can cause physical and mental changes in patients, greatly compromising quality of life. This study tested the hypothesis that mild and moderate diffuse TBI leads to chronic deficiencies in corticosterone (CORT) regulation following repeated exposure to restraint stress over time. Young adult male rats (\n                    <jats:italic toggle=\"yes\">n<\/jats:italic>\n                    \u2009=\u20099\u201311\/group) were subjected to mild or moderate TBI induced by midline fluid percussion injury (mFPI) or control sham surgery. At 6 and 24\u2009h post-injury, both mild and moderate TBI resulted in elevated resting plasma CORT levels compared with uninjured shams. Independent of TBI severity, all rats had lower resting plasma CORT levels at 7, 14, 28, and 54 days post-injury compared with pre-surgery baseline CORT. Circulating levels of CORT were also evaluated under restraint stress and in response to dexamethasone (DEX), a synthetic glucocorticoid. Independent of TBI severity, restraint stress elevated CORT at 30, 60, and 90\u2009min post-stressor initiation at all post-injury time-points. A blunted CORT response to restraint stress was observed with lower CORT levels after restraint at 28 and 54 days compared with 7 days post-injury (DPI), indicative of habituation to the stressor. A high dose of DEX lowered CORT levels at 90\u2009min post-restraint stress initiation compared with low-dose DEX, independent of TBI severity. These results support TBI-induced CORT dysregulation at acute time-points, but additional studies that investigate the onset and progression of endocrinopathies, controlling for habituation to repeated restraint stress, are needed to inform the diagnosis and treatment of such morbidities in TBI survivors.\n                  <\/jats:p>","DOI":"10.1089\/neur.2020.0019","type":"journal-article","created":{"date-parts":[[2020,10,22]],"date-time":"2020-10-22T10:49:05Z","timestamp":1603363745000},"update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":27,"title":["Mild and Moderate Traumatic Brain Injury and Repeated Stress Affect Corticosterone in the Rat"],"prefix":"10.1177","volume":"1","author":[{"given":"Rachel K.","family":"Rowe","sequence":"first","affiliation":[{"name":"Barrow Neurological Institute, Phoenix Children's Hospital, Phoenix, Arizona, USA."},{"name":"Department of Child Health, University of Arizona College of Medicine Phoenix, Phoenix, Arizona, USA."},{"name":"Phoenix Veteran Affairs Health Care System, Phoenix, Arizona, USA."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"J. 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