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两种对FMRF-NH2抗血清呈免疫反应的新型脊椎动物肽FLFQPQRF-NH2和AGEGLSSPFWSLAAPQRF-NH2使大鼠动脉血压升高。

Elevation of arterial pressure in rats by two new vertebrate peptides FLFQPQRF-NH2 and AGEGLSSPFWSLAAPQRF-NH2 which are immunoreactive to FMRF-NH2 antiserum.

作者信息

Roth B L, Disimone J, Majane E A, Yang H Y

机构信息

Surgical Research Division, Naval Medical Research Institute, Bethesda, MD 20814.

出版信息

Neuropeptides. 1987 Jul;10(1):37-42. doi: 10.1016/0143-4179(87)90087-4.

DOI:10.1016/0143-4179(87)90087-4
PMID:3670567
Abstract

We found that two recently characterized neuropeptides Phe-Leu-Phe-Gln-Pro-Gln-Arg-Phe-NH2 (F-8-F-NH2) and Ala-Gly-Glu-Gly-Leu-Ser-Ser-Pro-Phe-Trp-Ser-Leu-Ala-Ala-Pro-Gln-Arg-Phe-NH2 (A-18-F-NH2) elevate mean arterial blood pressure (MAP) in conscious, unrestrained rats. The pressor activities of both agents were attenuated, but not abolished, by prior treatment with guanethidine or prazosin. These results suggest that F-8-F-NH2 and A-18-F-NH2 elevate MAP in rats by potentiating the release of catecholamines and by mechanisms independent of catecholamine release.

摘要

我们发现,最近鉴定出的两种神经肽,即苯丙氨酸 - 亮氨酸 - 苯丙氨酸 - 谷氨酰胺 - 脯氨酸 - 谷氨酰胺 - 精氨酸 - 苯丙氨酸 - 氨基(F-8-F-NH2)和丙氨酸 - 甘氨酸 - 谷氨酸 - 甘氨酸 - 亮氨酸 - 丝氨酸 - 丝氨酸 - 脯氨酸 - 苯丙氨酸 - 色氨酸 - 丝氨酸 - 亮氨酸 - 丙氨酸 - 丙氨酸 - 脯氨酸 - 谷氨酰胺 - 精氨酸 - 苯丙氨酸 - 氨基(A-18-F-NH2),可使清醒、不受束缚的大鼠平均动脉血压(MAP)升高。预先用胍乙啶或哌唑嗪处理后,这两种药物的升压活性均减弱,但未被消除。这些结果表明,F-8-F-NH2和A-18-F-NH2通过增强儿茶酚胺的释放以及通过与儿茶酚胺释放无关的机制来升高大鼠的MAP。

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1
Elevation of arterial pressure in rats by two new vertebrate peptides FLFQPQRF-NH2 and AGEGLSSPFWSLAAPQRF-NH2 which are immunoreactive to FMRF-NH2 antiserum.两种对FMRF-NH2抗血清呈免疫反应的新型脊椎动物肽FLFQPQRF-NH2和AGEGLSSPFWSLAAPQRF-NH2使大鼠动脉血压升高。
Neuropeptides. 1987 Jul;10(1):37-42. doi: 10.1016/0143-4179(87)90087-4.
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IgG from antiserum against endogenous mammalian FMRF-NH2-related peptides augments morphine- and stress-induced analgesia in mice.
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A-18-famide and F-8-famide, endogenous mammalian equivalents of the molluscan neuropeptide FMRFamide (Phe-Met-Arg-Phe-NH2), inhibit colonic bead expulsion time in mice.
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FMRF-amide and L-Arg-L-Phe increase blood pressure and heart rate in the anaesthetised rat by central stimulation of the sympathetic nervous system.FMRF酰胺和L-精氨酸-L-苯丙氨酸通过中枢刺激交感神经系统,使麻醉大鼠的血压和心率升高。
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[Study of the mechanism of hypertensive effect of FMRF-like peptides].[类FMRF肽高血压作用机制的研究]
Biull Vsesoiuznogo Kardiol Nauchn Tsentra AMN SSSR. 1989;12(1):45-7.

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