Click-iT™ Plus TUNEL Assay for In Situ Apoptosis Detection, Alexa Fluor™ 488 dye
货号：C10617
规格：1 kit
价格：8085
产品类型：细胞凋亡检测
品牌：Thermo Fisher
物种：其它
宿主：其它
抗体亚型：其它
荧光染料：其它
| The Click-iT® Plus TUNEL assay detects apoptotic cells in tissue and cultured cell samples through the use of a small, highly specific labeling moiety and a bright fluorescent dye. After incorporation of the labeling moiety into DNA fragments, detection is achieved through a catalyzed “click” reaction using conditions mild enough to preserve the fluorescent signal from GFP or RFP.More tools for apoptosis detection and measurement >• Optimized for the detection of apoptotic cells in either tissue or cell samples• Multiplex enabled—optimized to work with fluorescent dyes or proteins such as GFP and RFP• Improved TUNEL assay—better label incorporation due to small reactive moiety• Bright apoptotic signal—uses Alexa Fluor® dyes, resulting in a stable, non-photobleaching fluorescent signal• Flexibility—the assay can be configured to test from 1 to 50 samples at a timeFragmentation of cellular DNA is a hallmark of apoptosis. The TUNEL assay is the most widely used method to detect fragmented DNA in apoptotic cells in tissue samples. The TUNEL assay begins with incorporation of modified dUTP at the 3’-OH end of the fragmented DNA. The dUTP modification is often the addition of a fluorophore. And due to the size of the fluorophore, the modified dUTP can display lower than expected incorporation rates. These lower incorporation rates can affect the sensitivity of the TUNEL assay. Additionally, the fluorophores used in currently available TUNEL assays suffer from photobleaching and fluorescent spectral overlap issues, both of which reduce sensitivity and ability to multiplex the assay.The Click-iT® Plus TUNEL assay was developed to address these issues. The assay uses dUTP modified with an alkyne group (a small bio-orthogonal functional group) that allows the nucleotide to be more readily incorporated. After incorporation, a highly specific click reaction between the alkyne group and an Alexa Fluor® picolyl azide fluorescent dye, and subsequent detection of that dye, results in a sensitive and specific assay for the detection of apoptotic cells. Because of the gentle reaction conditions, the Click-iT® Plus TUNEL assay enables multiplexing with fluorescent proteins or dyes.The Click-iT® Plus TUNEL assay has been validated with several different formalin-fixed paraffin-embedded tissue types. In all cases the ability to multiplex with fluorescent proteins and dyes was preserved. Additionally, the ability to stain actin using fluorescent-labeled phalloidin was also preserved.The Click-iT® Plus TUNEL assay contains all of the reagents needed to detect apoptotic cells from either tissue or cell samples. The reagents supplied in this kit can be used to test 50 samples and can be configured to test from 1 to 50 samples at a time. |
| 数据： |
| Comparison of Click-iT® Plus TUNEL assay with competitor assaysHeLa cells were transduced with CellLight® Mitochondria-RFP, BacMam 2.0 (red) and treated with DNase to induce TUNEL-positive DNA strand breaks. The DNA-damaged cells were treated with either the Roche In Situ Cell Death Detection Kit, Fluorescein; Life Technologies™ Click-iT® Plus TUNEL assay with Alexa Fluor® 488; or Promega DeadEnd™ Fluorometric TUNEL System (green). After the TUNEL reaction, actin filaments were stained with phalloidin conjugated with Alexa Fluor® 647 dye (purple). |
| 相关产品： |
| 细胞周期检测细胞凋亡检测细胞增殖活性检测 |
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