4.7 Article

Hydrangea macrophylla and Thunberginol C Attenuate Stress-Induced Anxiety in Mice

Journal

ANTIOXIDANTS
Volume 11, Issue 2, Pages -

Publisher

MDPI
DOI: 10.3390/antiox11020234

Keywords

Hydrangea macrophylla; thunberginol C; corticosterone; restraint stress; anxiety; synaptic plasticity

Funding

  1. National Research Foundation of Korea (NRF)
  2. Korea government [2019R1I1A3A01061630, 2019R1F1A1059517]
  3. National Research Foundation of Korea [2019R1I1A3A01061630, 2019R1F1A1059517] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)

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Stress and stress hormones can lead to various neurological disorders, including anxiety disorders. This study found that Hydrangea macrophylla and its active ingredient, thunberginol C, have potential in preventing and treating stress-induced neurological disorders by regulating signaling pathways and reducing inflammation and oxidative stress.
Stress is an important neurological input for successful life. However, chronic stress and stress hormones could be a cause of various neurological disorders including anxiety disorders. Therefore, there have been many efforts to find effective materials for curing stress-induced neurological disorders. In this study, we examined the effect of Hydrangea macrophylla (HM) on corticosterone-induced neurotoxicity, stress-induced anxiety in mice and suggested a possible active ingredient of HM. HM protected cortical neurons against neurotoxicity of corticosterone (CORT), a stress hormone. HM also blocked CORT-induced hippocampal synaptic deficit via regulating Akt signaling. Oral administration of HM improved chronic restraint stress-induced anxiety in Elevated Plus maze test along with reduction of plasma corticosterone and TNF-alpha levels. Moreover, HM reduced stress-induced neuroinflammation and oxidative stress. Thunberginol C, an active ingredient of HM, also prevented CORT-induced neuronal cell death and restraint stress-induced anxiety. Moreover, thunberginol C reduced plasma TNF-alpha level and neuroinflammation and oxidative stress. Collectively, HM could be a good candidate for preventing stress-induced neurological disorders and thunberginol C may be an active ingredient of HM for this purpose.

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