AUTHOR=Ullmann Enrico , Perry Seth W. , Licinio Julio , Wong Ma-Li , Dremencov Eliyahu , Zavjalov Evgenii L. , Shevelev Oleg B. , Khotskin Nikita V. , Koncevaya Galina V. , Khotshkina Anna S. , Moshkin Mikhail P. , Lapshin Maxim S. , Komelkova Maria V. , Feklicheva Inna V. , Tseilikman Olga B. , Cherkasova Olga P. , Bhui Kamaldeep S. , Jones Edgar , Kirschbaum Clemens , Bornstein Stefan R. , Tseilikman Vadim TITLE=From Allostatic Load to Allostatic State—An Endogenous Sympathetic Strategy to Deal With Chronic Anxiety and Stress? JOURNAL=Frontiers in Behavioral Neuroscience VOLUME=13 YEAR=2019 URL=https://www.frontiersin.org/journals/behavioral-neuroscience/articles/10.3389/fnbeh.2019.00047 DOI=10.3389/fnbeh.2019.00047 ISSN=1662-5153 ABSTRACT=

The concepts of allostatic load and overload, i. e., a dramatic increase in the allostatic load that predisposes to disease, have been extensively described in the literature. Here, we show that rats engaging in active offensive response (AOR) behavioral strategies to chronic predator scent stress (PSS) display less anxiety behavior and lower plasma cortisol levels vs. rats engaging in passive defensive response (PDR) behavioral strategies to chronic PSS. In the same chronic PSS paradigm, AOR rats also have higher lactate and lower glutamate levels in amygdala but not in control-region hippocampus vs. PDR rats. The implications of these findings for regulation of allostatic and stress responses, and post-traumatic stress disorder (PTSD) are discussed.