抗体来源 Rabbit
克隆类型 polyclonal
交叉反应 Human, Mouse, Rat
产品类型 一抗
研究领域 心血管
蛋白分子量 predicted molecular weight: 10kDa
性 状 Lyophilized or Liquid
免 疫 原 KLH conjugated synthetic peptide derived from human Apelin C-terminus
亚 型 IgG
纯化方法 affinity purified by Protein A
储 存 液 0.01M PBS, pH 7.4 with 10 mg/ml BSA and 0.1% Sodium azide
产品应用 WB=1:100-500 ELISA=1:500-1000 IP=1:20-100 IHC-P=1:100-500 IHC-F=1:100-500 IF=1:100-500
(石蜡切片需做抗原修复)
not yet tested in other applications.
optimal dilutions/concentrations should be determined by the end user.
保存条件 Store at -20 °C for one year. Avoid repeated freeze/thaw cycles. The lyophilized antibody is stable at room temperature for at least one month and for greater than a year when kept at -20°C. When reconstituted in sterile pH 7.4 0.01M PBS or diluent of antibody the antibody is stable for at least two weeks at 2-4 °C.
Important Note This product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications.
脂肪炎症因子Apelin抗体产品介绍 Apelin is a neuropeptide expressed in the supraoptic and paraventricular nuclei and is an endogenous ligand for APJ, a G protein-coupled orphan receptor which is an alternative coreceptor with CD4 for HIV-1. Apelin and APJ are ubiquitously expressed in peripheral tissues, with highest levels reported for heart and lungs, as well several regions within the central nervous system. The actions of apelin remain largely unknown: Apelin inhibits HIV-1 entry in cells coexpressing CD4 and APJ; the oral intake of Apelin in colostrum and breast milk could have a role in the modulation of the immune responses in neonates; more recent studies have also indicated a role for Apelin in the central control of body fluid homeostasis, by influencing AVP release and drinking behavior. In the cardiovascular system several actions of Apelin have been described, including endothelium-dependent vasodilatation, vasoconstriction through direct action on smooth muscle and positive inotropism.
Function : Endogenous ligand for APJ, an alternative coreceptor with CD4 for HIV-1 infection. Inhibits HIV-1 entry in cells coexpressing CD4 and APJ. Apelin-36 has a greater inhibitory activity on HIV infection than other synthetic apelin derivatives. The oral intake in the colostrum and the milk could have a role in the modulation of the immune responses in neonates. May also have a role in the central control of body fluid homeostasis by influencing AVP release and drinking behavior.
Subcellular Location : Secreted.
Tissue Specificity : Expressed in the brain with highest levels in the frontal cortex, thalamus, hypothalamus and midbrain. Secreted by the mammary gland into the colostrum and the milk.
脂肪炎症因子apelin是血管紧张素Ⅱ-1型受体相关蛋白的天然内源性配体,是新发现的小分子活性多肽,为孤儿G蛋白偶联受体一血管紧张素受体AT-1相关蛋白(APJ)的天然配体具有调节心血管系统稳态、扩张血管、降低血压、调节免疫等多种生物学作用。
纯度:在实验的任何阶段,确定抗体溶液纯度的最简单方法是取一部分样本进行SDS-PAGE电泳。凝胶可用考马斯亮蓝染色(灵敏度为0.1—0.5ug/带)或银染(灵敏度1~l0ug/带)。
定量:如果抗体还不纯,有一个快捷的定量方法,即通过SDS-PAGE电泳分离出轻、重链,然后和已知的标准染色带比较。如果需要分析许多样本,用免疫测定法对抗体定量较容易。如果抗体是经过纯化的,可通过测蛋白总量代替上述两种方法,有一简单的方法,即紫外吸收法。脂肪炎症因子Apelin抗体的量可通过测280nm处的吸收值来测(10D大致相当于0.75mg/m1的纯化抗体)。
抗原结合活性:一般说来,纯化方法不会引起抗原结合活性的改变。用蛋白G或蛋白A树脂很少导致抗体活性丧失。然而,如果最终抗体产物的作用不如原来所预料的好,检测抗体纯化过程所丢失的活性就极为重要。用一系列滴定法比较纯化的抗体和其原材料的活性,以标定每一步中的总抗体量,这将有助于较好的估计通过纯化所丢失的活性。