内参抗体（loading control antibody或 housekeeping protein antibody）是用于在蛋白质检测实验（如Western Blot、免疫荧光等）中作为对照的抗体。内参抗体靶向一种在所有细胞中恒定表达的“内参蛋白”（housekeeping protein），这些蛋白质的表达不易受实验条件的影响。
选择内参抗体的目的是为了确保蛋白质样品的加载量或处理条件在各个实验组之间是一致的。如果不同实验条件下的样品含量或处理存在差异，内参蛋白的信号强度将提示这种不一致性，从而影响实验结果的解释。
内参抗体的信号强度与目标蛋白的信号比较，帮助标准化实验数据，确保蛋白质定量的准确性。
下表列出了常用内参，点击名称可查看对应抗体：
| 适用范围 | 名称 | 分子量 | 抗体类型 | 货号 | 应用 |
| 胞浆或全细胞 | GAPDH | 36 kDa | 兔多抗 | BM3874 | WB, IHC, ICC/IF |
| 兔多抗 | A00227-1 | WB, IHC, ICC/IF, FCM | |||
| 兔多抗 | BA2913 | WB, IHC | |||
| 鼠单抗 | BM1623 | WB, ICC/IF, IP | |||
| 鼠单抗 | BM3876 | WB, IHC, ICC/IF, IP, FCM | |||
| β-Actin | 42 kDa | 兔多抗 | BM3873 | WB, IHC, ICC/IF | |
| 兔多抗 | BA2305 | WB | |||
| 鼠单抗 | M01263-4 | WB, IHC, ICC/IF | |||
| 鼠单抗 | BM0627 | WB, IHC | |||
| α-Tubulin | 50-55 kDa | 兔单抗 | BM3885 | WB, IHC, ICC/IF, IP, FCM | |
| 兔单抗 | BM3887 | WB | |||
| 鼠单抗 | BM1452 | WB, IHC | |||
| 鼠单抗 | M03989-3 | WB, IHC, ICC/IF, FCM | |||
| 鼠单抗 | M03989-4 | WB, IHC | |||
| β-Tubulin | 50-55 kDa | 兔单抗 | BM3877 | WB, IHC, ICC/IF, FCM | |
| 兔单抗 | M05613-6 | WB, IHC, ICC/IF, FCM | |||
| 兔单抗 | A05397-1 | WB, IHC, ICC/IF, FCM, ELISA | |||
| 兔单抗 | A01857-1 | WB, IHC, ICC/IF, FCM | |||
| 鼠单抗 | M05613-5 | WB, IHC, ICC/IF | |||
| 鼠单抗 | BM1453 | WB, IHC, ICC/IF | |||
| 鼠单抗 | M01857-3 | WB, ICC/IF, FCM | |||
| 鼠单抗 | M05613-4 | WB, ICC/IF, FCM | |||
| Vinculin | 117 kDa | 兔多抗 | A01207-1 | WB, IHC, IF, FCM | |
| 兔多抗 | BM4051 | WB, IHC, ICC/IF, IP | |||
| 兔多抗 | BA2934 | WB, IHC, FCM | |||
| 鼠单抗 | BM1611 | WB, IHC, IF | |||
| 兔多抗 | A01207 | WB | |||
| 细胞核膜 | Lamin A/C | 65-75 kDa | 兔多抗 | BA1227 | WB |
| 兔多抗 | M00438-5 | WB, IHC, ICC/IF, FCM | |||
| 兔多抗 | PB9280 | WB, IHC, IF, ICC/IF, FCM | |||
| 鼠单抗 | M00438-6 | WB, IHC | |||
| 兔多抗 | BM4105 | WB, IHC, ICC/IF, IP, FCM | |||
| Lamin B1 | 66-72 kDa | 兔多抗 | BA1228 | WB, IHC, ICC, ICC/IF | |
| 兔多抗 | BM3891 | WB, IHC, ICC/IF, IP | |||
| 兔多抗 | PB9611 | WB, IHC, ICC/IF, FCM | |||
| 细胞核 | TBP | 38 kDa | 兔多抗 | BA3586-2 | WB |
| 兔多抗 | A00302 | WB, ELISA | |||
| PCNA | 36 kDa | 鼠单抗 | BM0104 | WB, IHC, ICC/IF | |
| 兔多抗 | A00125 | WB, IHC, ICC/IF, FCM, ELISA | |||
| 兔多抗 | BM3888 | WB, IHC, ICC/IF, IP, FCM | |||
| 鼠单抗 | M00125-3 | WB, IHC, ICC/IF, FCM | |||
| 鼠单抗 | M00125-4 | WB, IHC | |||
| Histone-H3 | 15-17 kDa | 兔多抗 | A12477-2 | WB, IHC, IF, ICC/IF | |
| 兔多抗 | BM4715 | WB, IHC, ICC/IF | |||
| YY1 | 65-70 kDa | 兔多抗 | PB9909 | WB, ICC/IF, FCM | |
| 兔单抗 | BM4049 | WB, IHC, ICC/IF, IP | |||
| 鼠单抗 | M00833-1 | WB, IHC, FCM | |||
| 鼠单抗 | M00833-3 | WB, IHC, ICC/IF, FCM | |||
| 鼠单抗 | M00833-2 | WB | |||
| 膜蛋白 | ATP1A1 | 100-113 kDa | 兔单抗 | BM4048 | WB, IHC, ICC/IF, FCM |
| 兔多抗 | PB0504 | WB | |||
| 线粒体 | VDAC1/2 | 31-37 kDa | 兔多抗 | A01168-2 | WB, IHC, IF, IP, ELISA |
| VDAC1/Porin | 31-37 kDa | 兔多抗 | BA3754 | WB, IHC, ICC/IF, FCM | |
| 兔单抗 | BM4279 | WB, IHC, ICC/IF | |||
| 兔多抗 | A01168-1 | WB, IHC, ICC/IF, IF, FCM, ELISA | |||
| 兔多抗 | PB9455 | WB, IHC | |||
| COX4I1 | 17-20 kDa | 兔多抗 | A05442-1 | WB, IHC, ICC/IF, FCM | |
| 鼠单抗 | M05442-1 | WB, IHC, FCM | |||
| 兔单抗 | M05442-3 | WB, IHC, ICC/IF, IP, FCM | |||
| 兔单抗 | BM4046 | WB, IHC, ICC/IF, IP, FCM | |||
| 兔多抗 | A05442-2 | WB, IHC | |||
| 全血/血浆/血清 | Transferrin | 77 kDa | 兔多抗 | BA14627 | WB |
| 兔多抗 | PB9827 | WB,IHC | |||
| 鼠单抗 | M00094-5 | WB | |||
| 兔多抗 | RP1022 | WB, IHC, ELISA | |||
| 鼠单抗 | M00094-4 | WB, ICC/IF, FCM | |||
| Albumin | 66 kDa | 兔单抗 | BM4963 | WB, IHC | |
| 鼠单抗 | M01245-2 | WB | |||
| 细胞增值标记物 | BrdU | BM0201 | IHC | ||
| 靶点名称 | 偶联物 | 抗体类型 | 货号 | 应用 | |
| GAPDH | HRP | 兔多抗 | A00227-HRP | WB | |
| HRP | 兔单抗 | BM3896 | WB | ||
| Beta Actin | HRP | 兔多抗 | A01263-HRP | WB | |
| HRP | 鼠单抗 | BM5180 | WB |
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