Ephedra sinica Stapf and Gypsum Attenuates Heat-Induced Hypothalamic Inflammation in Mice
- Authors
- Kim, Wonnam; Lee, Wonil; Huh, Eugene; Choi, Eunjung; Jang, Young Pyo; Kim, Yun-Kyung; Lee, Tae-Hee; Oh, Myung Sook
- Issue Date
- Jan-2020
- Publisher
- MDPI
- Keywords
- Ephedra sinica Stapf; gypsum; heat stress; hypothalamus; inflammation
- Citation
- TOXINS, v.12, no.1
- Journal Title
- TOXINS
- Volume
- 12
- Number
- 1
- URI
- https://scholarworks.bwise.kr/gachon/handle/2020.sw.gachon/26173
- DOI
- 10.3390/toxins12010016
- ISSN
- 2072-6651
- Abstract
- Ephedra sinica Stapf (EH) exert toxic effects, such as excitability, cardiac arrhythmia, and others. On the contrary, in traditional herbal medicine, EH and gypsum (GF) are used most often to treat symptoms caused by external stressors. The hypothalamus plays a crucial role in thermal homeostasis. Inflammatory response in the hypothalamus by thermal stressors may affect thermal and energy homeostasis. This study investigates the effect of EH and GF against heat-induced mouse model. Mice were divided into four groups: saline, saline plus heat, EH plus heat, and GF plus heat treated groups. Heat stress was fixed at 43 degrees C for 15 min once daily for 3 days. Weight and ear and rectal temperature measurements were made after terminating heat stress. Hypothalamus tissue was collected to evaluate the HSP70, nuclear factor kappa-Beta (NF-kB), and interleukin (IL)-1 beta protein expression levels. EH and GF treatment suppressed the increased body temperature. EH significantly ameliorated heat-induced body weight loss, compared to gypsum. Regulatory effects of EH and GF for body temperature and weight against heat stress were mediated by IL-1 beta reduction. EH showed significant HSP70 and NF-kB inhibition against heat stress. EH and GF contribute to the inhibition of heat-induced proinflammatory factors and the promotion of hypothalamic homeostasis.
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