桑白皮有效组分对SHR大鼠植物神经及内分泌系统的影响
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摘要
目的:探究桑白皮降压有效组分对自发性高血压大鼠植物神经及内分泌系统的调节作用。方法:自发性高血压大鼠(SHR大鼠),雄性,1 2周龄,连续给药7天,采用全自动无创血压测量仪测量给药7天后大鼠血压三次,取三次平均值为最终测量结果。留取血清,采用ELISA法检测多巴胺(DA)、去甲肾上腺素(NE)、17-羟皮质类固醇(17-0HCS)、肾上腺素(EPI)、总三碘甲状原氨酸(TT3)、总甲状腺激素(TT4)、促甲状腺激素(TSH)、促间质细胞激素(ICSH)水平。结果:给予桑白皮水煎液、30%乙醇组分和脂肪油组分后,均能显著降低DA和1 7-0HCS水平(P<0.05,P<0.01);其中,30%乙醇组分组能显著降低NE水平(P<0.05);脂肪油组分能显著减低EPI水平(P<0.05),提示桑白皮有效组分可以明显抑制SHR大鼠交感神经系统的激活状态,缓解高血压所致机体的紊乱;同时,桑白皮水煎液、30%乙醇组分及脂肪油组分组均能极显著降低TT3、TT4、TSH和ICSH水平(P<0.01),提示桑白皮有效组分可以明显改善SHR大鼠内分泌系统的紊乱状态,使机体内环境向稳态发展。结论:桑白皮降低SHR大鼠血压的有效组分为30%组分和脂肪油组分,且其有效组分能显著改善高血压状态下植物神经系统及内分泌系统的紊乱,抑制其激活状态,调节机体内环境的稳态。
Objective:To explore the regulation of Moms alba L.effective components on reducing blood pressure of spontaneously hypertensive rats on autonomic nervous system and the endocrine hypertension.Methods:Spontaneously hypertensive rats(SHR rats),male,12 weeks old,for 7 consecutive days,blood pressure was measured by automatic noninvasive blood pressure measuring three times in rats 7 days after administration,taking an average of three times the final measurement result.Serum specimens by ELISA assay of dopamine(DA),norepinephrine(NE),17-hydroxy corticosteroids(17-OHCS),epinephrine(EPI),triiodo thyroid total triiodothyronine(TT3),total thyroid hormone(TT4),thyroid stimulating hormone(TSH),between stromal cells promote hormone(ICSH) level.Results:After administration of Moms alba L.water extract,30%ethanol component and fatty oil components can significantly reduce DA and17-OHCS level(P<0.05,P<0.01);wherein 30%ethanol group grouping can NE levels decreased significantly(P<0.05);fatty oil components can significantly reduce the EPI levels(P<0.05),prompted Morus alba L.effective components can inhibit the activation of the sympathetic nervous system state SHR rats,relieve hypertension caused by Meanwhile,Moms alba L.water extract,30%ethanol and fatty oil components grouped group can significantly reduce TT3,TT4,TSH and ICSH level(P<0.01),the effective component may prompt Morus alba;body disorder SHR rats significantly improve the state of disorder of the endocrine system,so that the steady development of the internal environment.Conclusion:Moms alba L.reduce blood pressure in SHR rats effectively divided into 30%ethanol and fatty oil components,and it can significantly improve the effective component in hypertension disorder of the autonomic nervous system and the endocrine system,inhibiting its activation status regulate internal environment homeostasis.
引文
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