抗体来源 Mouse
克隆类型 monoclonal
克 隆 号 A7
交叉反应 BrdU
产品类型 一抗 药物与化合物抗体
研究领域 细胞生物 免疫学 发育生物学 染色质和核信号 神经生物学 药物及化合物 细胞类型标志物
蛋白分子量 predicted molecular weight: 0.3071kDa
性 状 Lyophilized or Liquid
免 疫 原 bromodeoxyuridine conjugated to KLH
亚 型 IgG
纯化方法 affinity purified by Protein A
储 存 液 Preservative: 15mM Sodium Azide, Constituents: 0.01M PBS, pH 7.4
产品应用 ELISA=1:500-1000 IHC-P=1:100-500 IHC-F=1:100-500 ICC=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.
溴脱氧尿苷单克隆抗体(增殖标志物)产品介绍 Proliferation Marker
Bromodeoxyuridine (BrdU) is a thymidine analog and is specifically incor-porated into DNA during DNA synthesis. Anti-bromodeoxyuridine monoclonal antibody is used to identify cells that have incorporated BrdU. This immunological detection scheme has several advantages over the use of radioactive thymidine incorporation for identifying cells under-going replication. Labeling and detection can be performed the same day instead of waiting several days, as required for autoradiography of tritium-labeled cells, and the necessity of using multiple specimens for obtaining the optimal exposure time is eliminated. In addition, anti-bromodeoxyuridine staining with flow cytometric analysis allows multiple parameters to be evaluated simultaneously. Anti-bromodeoxyuridine monoclonal antibody has been used for identi-fying proliferating cells in blood (Campana et al., 1988), tissues (Schutte et al., 1987; Hayashi, et al., 1988), tumors (Hoshino et al., 1986; Morstyn et al., 1983), as well as for determining plasma cell labeling indices (Greipp et al., 1985).
Subcellular Location : Nuclear.
增殖标志物
BrdU(溴化脱氧尿嘧啶核苷)可以在体内和体外掺入到处于S期的细胞所合成的DNA链中。此抗体可以与掺入到任何种属细胞中的BrdU反应,与碘脱氧尿嘧啶有交叉反应,标记掺有BrdU的S期细胞,主要用于研究各种不同的因素对正常/肿瘤组织的细胞增殖及动力学的研究。
用FITC标记的抗BrdU IgG可用于流式细胞术定量检测增值细胞。
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。溴脱氧尿苷单克隆抗体(增殖标志物)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。