首页> 外文期刊>Life sciences >THE EFFECTS OF ATRIAL NATRIURETIC PEPTIDE (ANP(1-28)) ON CORTICOTROPIN RELEASING FACTOR IN BRAIN OF RATS
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THE EFFECTS OF ATRIAL NATRIURETIC PEPTIDE (ANP(1-28)) ON CORTICOTROPIN RELEASING FACTOR IN BRAIN OF RATS

机译:心钠素(ANP(1-28))对大鼠脑中皮质激素释放因子的影响

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摘要

We have shown that ANP has anxiolytic-like effects in behavioral studies. Since CRF is thought to be involved in emotional state of the brain, the present study was undertaken to follow the possible alterations in corticotropin-releasing factor-like immunoreactivity (CRF-LI) in different regions of the brain in rats following ANP treatment. CRF-LI immunoreactivity was determined in hypothalamic and extrahypothalamic brain areas after central injection of atrial natriuretic peptide 1-28 (ANP(1-28)) in rats. After various doses of ANP(1-28) administration the CRF-LI significantly increased in the hypothalamus,the hippocampus and the frontal cortex. In the amygdala, ANP caused a marked but nonsignificant CRF-LI enhancement. In the basal forebrain, the CRF-LI decreased. These results suggest that ANP(1-28) may moderate activation of the CRF-ergic system in the brain which could be related to the neuroendocrine and behavioral action. [References: 27]
机译:我们已经表明,ANP在行为研究中具有抗焦虑作用。由于CRF被认为与大脑的情绪状态有关,因此进行本研究是为了追踪ANP治疗后大鼠大脑不同区域中促肾上腺皮质激素释放因子样免疫反应性(CRF-LI)的可能变化。在大鼠中心注射心钠素1-28(ANP(1-28))后,在下丘脑和下丘脑的脑区域确定CRF-LI免疫反应性。在给予不同剂量的ANP(1-28)后,下丘脑,海马和额叶皮层的CRF-LI明显增加。在杏仁核中,ANP引起显着但不显着的CRF-LI增强。在基底前脑中,CRF-LI下降。这些结果表明,ANP(1-28)可能会适度激活大脑中CRF能量系统,这可能与神经内分泌和行为行为有关。 [参考:27]

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