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Novel effect of berberine on thermoregulation in mice model induced by hot and cold environmental stimulation.


ABSTRACT: The purpose of this study was to assess the effects of berberine (BBR) on thermoregulation in mice exposed to hot (40°C) and cold (4°C) environmental conditions. Four groups of mice were assembled with three different dosages of BBR (0.2, 0.4, and 0.8 mg/kg) and normal saline (control). In room temperature, our largest dosage of BBR (0.8 mg/kg) can reduce rectal temperatures (Tc) of normal mice. In hot conditions, BBR can antagonize the increasing core body temperature and inhibit the expression of HSP70 and TNFα in mice; conversely, in cold conditions, BBR can antagonize the decreasing core body temperature and enhance the expression of TRPM8. This study demonstrates the dual ability of BBR in maintaining thermal balance, which is of great relevance to the regulation of HSP70, TNFα and TRPM8.

SUBMITTER: Jiang JF 

PROVIDER: S-EPMC3545878 | biostudies-literature | 2013

REPOSITORIES: biostudies-literature

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Novel effect of berberine on thermoregulation in mice model induced by hot and cold environmental stimulation.

Jiang Jing-Fei JF   Wang Yu-Gang YG   Hu Jun J   Lei Fan F   Kheir Michael M MM   Wang Xin-Pei XP   Chai Yu-Shuang YS   Yuan Zhi-Yi ZY   Lu Xi X   Xing Dong-Ming DM   Du Feng F   Du Li-Jun LJ  

PloS one 20130115 1


The purpose of this study was to assess the effects of berberine (BBR) on thermoregulation in mice exposed to hot (40°C) and cold (4°C) environmental conditions. Four groups of mice were assembled with three different dosages of BBR (0.2, 0.4, and 0.8 mg/kg) and normal saline (control). In room temperature, our largest dosage of BBR (0.8 mg/kg) can reduce rectal temperatures (Tc) of normal mice. In hot conditions, BBR can antagonize the increasing core body temperature and inhibit the expression  ...[more]

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