人脑钠素单克隆抗体英文名称 Anti-BNP(H1G3)
中文名称 人脑钠素单克隆抗体
别 名 BNP 32; Brain natriuretic peptide 32; Gamma brain natriuretic peptide; Natriuretic peptide brain type; Natriuretic peptide precursor B; Natriuretic peptides B; NPPB; NPPB protein.
浓 度 1mg/1ml
规 格 0.1ml/100μg 0.2ml/200μg
抗体来源 Mouse
克隆类型 monoclonal
克 隆 号 H1G3
交叉反应 Human
产品类型 一抗
研究领域 心血管 免疫学
蛋白分子量 predicted molecular weight: 14kDa
性 状 Lyophilized or Liquid
免 疫 原 KLH conjugated synthetic peptide derived from human BNP
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.
人脑钠素单克隆抗体产品介绍 Brain natriuretic peptide (BNP) circulates in blood as a peptide hormone with natriuretic, vasodilatory and renin inhibitory properties. BNP is secreted predominantly by the left ventricular myocytes in response to volume expansion and pressure overload. BNP belongs to a family of structurally similar peptide hormones, which includes atrial natriuretic peptide (ANP), BNP, C-type natriuretic peptide (CNP) and urodilatin. These peptides are characterized by a common 17 amino acid ring structure with a disulfide bond between two cystein residues. This ring structure shows high homology between different natriuretic peptides (eleven of the 17 amino acid residues are homologous in the ring of each of the natriuretic peptides). BNP is a 32 amino acid peptide with disulfide bond between the cysteine residues Cys10 and Cys26. In earlier studies it has been demonstrated that BNP concentration in blood increases with the severity of congestive heart failure. Quantitative measurement of BNP in blood provides an objective indicator of congestive heart failure severity.
脑钠素主要是心脏激素,心脏作为内分泌器官释放脑钠素,调解体液及电解质内环境的恒定性。 B型利钠肽(钠尿肽)(B-typenatriureticpeptide,BNP),又称脑钠素或脑钠肽,因其有排钠利尿、内皮非依赖性的血管平滑肌作用而具有降压、抗心肌纤维化、影响神经内分泌系统等功效。近来发现BNP在各种心血管疾病,尤其是心室功能不全、急性心肌梗死(ami)、高血压等疾病的诊断、治疗及预后等方面有重要意义,已引起临床工作者的高度重视。
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。人脑钠素单克隆抗体的量可通过测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。