{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,10]],"date-time":"2026-06-10T02:46:50Z","timestamp":1781059610135,"version":"3.54.1"},"reference-count":53,"publisher":"MDPI AG","issue":"4","license":[{"start":{"date-parts":[[2019,4,3]],"date-time":"2019-04-03T00:00:00Z","timestamp":1554249600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100001659","name":"Deutsche Forschungsgemeinschaft","doi-asserted-by":"publisher","award":["321137804, ZE 712\/1-1 and VO 450\/15-1"],"award-info":[{"award-number":["321137804, ZE 712\/1-1 and VO 450\/15-1"]}],"id":[{"id":"10.13039\/501100001659","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Animals"],"abstract":"<jats:p>Comparative studies for evaluating distress in established animal models are still rare. However, this issue is becoming more important as a consequence of worldwide appreciation of animal welfare. One good parameter for evaluating distress is the quantification of corticosterone. We hypothesized that not just the absolute value but also the duration of increased corticosterone concentration in the blood is an important aspect for evaluating animal distress. Therefore, we analyzed plasma corticosterone concentrations 30, 60, 120, and 240 min after induction of pancreatitis by cerulein, liver damage by carbon tetrachloride, liver damage by bile duct ligation, and after orthotopic injection of pancreatic cancer cells. We also evaluated corticosterone kinetics after injection of distinct carrier substances. Compared to phosphate buffered saline, dimethyl sulfoxide leads to dose-dependent higher and longer-lasting circulating corticosterone concentrations. In all disease models, we observed significantly increased corticosterone concentration 30 min after stress induction. However, the corticosterone kinetics differed among the animal models. Both the absolute value of corticosterone concentration and the duration correlated positively with the quantification of animal distress by a score sheet. This suggests that both variables of corticosterone kinetics might provide a solid basis for comparing and grading distress of different animal models.<\/jats:p>","DOI":"10.3390\/ani9040145","type":"journal-article","created":{"date-parts":[[2019,4,4]],"date-time":"2019-04-04T03:13:42Z","timestamp":1554347622000},"page":"145","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":20,"title":["Grading Distress of Different Animal Models for Gastrointestinal Diseases Based on Plasma Corticosterone Kinetics"],"prefix":"10.3390","volume":"9","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-6942-6294","authenticated-orcid":false,"given":"Simone","family":"Kumstel","sequence":"first","affiliation":[{"name":"Rudolf-Zenker-Institute of Experimental Surgery, University Medical Center, 18057 Rostock, Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Guanglin","family":"Tang","sequence":"additional","affiliation":[{"name":"Rudolf-Zenker-Institute of Experimental Surgery, University Medical Center, 18057 Rostock, Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0948-6698","authenticated-orcid":false,"given":"Xianbin","family":"Zhang","sequence":"additional","affiliation":[{"name":"Rudolf-Zenker-Institute of Experimental Surgery, University Medical Center, 18057 Rostock, Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hagen","family":"Kerndl","sequence":"additional","affiliation":[{"name":"Rudolf-Zenker-Institute of Experimental Surgery, University Medical Center, 18057 Rostock, Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Brigitte","family":"Vollmar","sequence":"additional","affiliation":[{"name":"Rudolf-Zenker-Institute of Experimental Surgery, University Medical Center, 18057 Rostock, Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2075-7540","authenticated-orcid":false,"given":"Dietmar","family":"Zechner","sequence":"additional","affiliation":[{"name":"Rudolf-Zenker-Institute of Experimental Surgery, University Medical Center, 18057 Rostock, Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2019,4,3]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"1312","DOI":"10.1111\/jgh.14122","article-title":"Mouse Models of Nonalcoholic Steatohepatitis: A Reflection on Recent Literature","volume":"33","author":"Haczeyni","year":"2018","journal-title":"J. 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