TransDetect? In Situ Fluorescein TUNEL Cell Apoptosis Detection Kit
TUNEL法細胞凋亡檢測試劑盒
| 目錄號 | 規(guī)格 | 單價 |
|---|---|---|
| FA201-01 | 25 rxns | 1650 |
| FA201-02 | 50 rxns | 2970 |
產(chǎn)品詳情介紹
末端脫氧核苷酸轉移酶（Terminal Deoxynucleotidyl Transferase，TdT），是一種不依賴模板的DNA聚合酶，可以催化脫氧核苷酸結合到斷裂DNA分子的3'-OH末端，且突出、凹陷或平滑末端的單鏈或雙鏈DNA分子均可作為其底物。細胞凋亡發(fā)生時，相關DNA內切酶會被激活，從而切斷核小體間的DNA。在細胞凋亡晚期，DNA會被降解為180-200 bp的片段。 TdT介導的dUTP末端標記法（TdT-mediated dUTP Nick-End Labeling，TUNEL）是在TdT的催化下將熒光素標記的dUTP（fluorescein-dUTP）與斷裂DNA暴露的3'-OH聚合，延伸后的DNA可通過熒光顯微鏡或流式細胞儀進行檢測。本產(chǎn)品適用于石蠟組織切片、冰凍組織切片、細胞爬片、細胞涂片以及細胞懸液。
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