Phe-Met-Arg-Phe, amide  

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包装规格:100mg in glass bottle
产品描述:基本信息 产品编号: P11294  产品名称: Phe-Met-Arg-Phe,amide CAS: 64190-70-1   储存条件 粉末 -20℃ 四年 分子式: C29H42N8O4S 溶于液体 -80℃ 一年 分子量: 598.76     化学名:  (2S)-N-[(2S)-1-amino-1-oxo-3-phenylpropan-2-yl]-2-[[(2S)-2-[[(2S)-2-amino-3-phenylpropanoyl]amino]-4-methylsulfanylbutanoyl]amino]-5-(diaminomethylideneamino)pentanamide Solubility (25°C):   体外:   DMSO   Ethanol   Water   体内(现配现用):   <1mg/ml表示微溶或不溶。 普西唐提供的所有化合物浓度为内部测试所得,实际溶液度可能与公布值有所偏差,属于正常的批间细微差异现象。 请根据产品在不同溶剂中的溶解度选择合适的溶剂配制储备液;⼀旦配成溶液,请分装保存,避免反复冻融造成的产品失效。   生物活性 产品描述 一种神经肽,在肽能神经元中激活K+电流,ED50为23nM,这种作用具有剂量依赖性。 靶点 ED50:23nM (K+current)   体外研究 In the molluscan central nervous system,Phe-Met-Arg-Phe,amide (FMRFa) acts on K+channels in sensory,motor-,and neuroendocrine neurones.Phe-Met-Arg-Phe,amide activates a novel K+current that is characterized by a combined voltageand receptor-dependent gating mechanism,with both factors being necessary for opening of the channels.Phe-Met-ArgPhe,amide (1μM) significantly inhibits glucose stimulated (300mg/dL) insulin release (p<0.005) and somatostatin release (p<0.01) from the isolated perfused pancreas.Phe-Met-Arg-Phe,amide (FMRF-NH2) (1 and 10μM) is without effect on glucagon secretion,either in low glucose (50mg/dL),high glucose (300mg/dL),or during arginine stimulation (5mM). 体内研究 Phe-Met-Arg-Phe,amide (FMRFamide) stimulates growth hormone secretion in conscious OVX rats.The presence of PheMet-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 200ng (313.8 picomoles) of FMRFamide (in 2uL) produces a significantly increased plasma GH 15 min after injection.The GH-increasing effect of 400-800ng (627-1255 picomoles) of FMRFamide is already developed after 5 min and lasted up to 30 min.
保存条件:-20℃