耗材描述
Phe-Met-Arg-Phe, amide acetate
产品活性:Phe-Met-Arg-Phe, amide acetate 是一种神经肽,在肽能神经元中激活 K+ 电流,ED50 为 23 nM,这种作用具有剂量依赖性。
产品来源: https://www.medchemexpress.cn/phe-met-arg-phe-amide-acetate.html
研究领域:Membrane Transporter/Ion Channel
作用靶点:Potassium Channel
In Vitro: In the molluscan central nervous system, Phe-Met-Arg-Phe, amide (FMRFa) acetate acts on K+ channels in sensory, motor-, and neuroendocrine neurones. Phe-Met-Arg-Phe, amide acetate activates a novel K+ current that is characterized by a combined voltage- and receptor-dependent gating mechanism, with both factors being necessary for opening of the channels.
Phe-Met-Arg-Phe, amide (1 μM) acetate significantly inhibits glucose stimulated (300 mg/dL) insulin release (p
Phe-Met-Arg-Phe, amide (FMRF-NH2) (1 and 10 μM) acetate is without effect on glucagon secretion, either in low glucose (50 mg/dL), high glucose (300 mg/dL), or during arginine stimulation (5 mM).
In Vivo: Phe-Met-Arg-Phe, amide (FMRFamide) acetate stimulates growth hormone secretion in conscious OVX rats. The presence of Phe-Met-Arg-Phe, amide-like immunoreactivity in neuronal elements in the hypothalamus suggested a role for this in the hypothalamic control of the anterior pituitary function. The injection of 200 ng (313.8 pM) of FMRFamide (in 2 uL) produces a significantly increased plasma GH 15 min after injection. The GH-increasing effect of 400-800 ng (627-1255 pM) of FMRFamide is already developed after 5 min and lasted up to 30 min.
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