MitoStep + Apoptosis Detection Kit FITC
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- 适用
- 化学剂
- 检测方法
- Fluorometric
- 应用范围
- Flow Cytometry (FACS)
- 原理
- Identify and quantitate apoptotic cells and estimate membrane potential in eukaryotic cells on a single-cell basis by flow cytometry.
- 样品类型
- Blood, Cell Culture Cells
- 产品特性
- Staining cells simultaneously with Annexin V -FITC and the non-vital dye propidium iodide (red fluorescence) allows (bivariate analysis) the discrimination of intact cells (Annexin V-FITC negative, PI negative), early apoptotic (Annexin V-FITC positive, PI negative) and late apoptotic or necrotic cells ( Annexin V-FITC positive, PI positive). MitoStep uses a cationic dye DilC1(5) (1,1´,3,3,3´-hexamethylindodicarbo-cyanine idodide) for the study of mitochondrial ΔPsi
- 组件
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- DilC1(5), 500 μl of 10μM in DMSO.
- Annexin V-FITC provided in liquid form in buffer containing Antibody Stabilizer, PBS, PH 7,4.
- Propidium Iodide Staining Solution. 100 Tests in PBS (pH 7,4)
- Annexin V Binding Buffer, 10 X, 45 ml. 0,1M Hepes/NaOH (pH 7,4) 1,4 M NaCl, 25 mM CaCl2.
- 试剂未包括
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- pipettes ,
- tubes ,
- flow cytometry machine
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- 应用备注
- Optimal working dilution should be determined by the investigator.
- 说明
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Mitochondrial ΔPsi drives the accumulation in mitochondria of cationic dyes such as cyanines, and the mitochondrial ΔPsi is reduced when energy metabolism is disrupted, notably in apoptosis. Changes in the mitochondrial ΔPsi have been described during necrosis, cell cycle and apoptosis. Mitochondrial uptake of dye is a possible source of fluorescence variance.Samples were tested on Flow Cytometry Samples can be run up to 3 hours after lysis.
- 样本量
- 5 μL
- 实验时间
- < 1 h
- 实验流程
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Staining cells protocol with DilC1(5), Annexin V and Non-Viable cells solutions (PI or 7-AAD).
1. Prepare Annexin V Binding Buffer: 10 mM Hepes/NaOH ( pH 7,4) 140 mM NaCl, 2,5 mM CaCl2.
2. Induce apoptosis in cells using the desired method. A negative control should be prepared by untreated cells, that is used to define the basal level of apoptotic and necrotic or dead cells.
3. Harvest the cells after the apoptosis induction.
4. Wash cells twice with temperate PBS and resuspend cells in temperate phosphate-buffered saline (PBS) at a concentration 1 x 106 cells/mL.
5. Add 5 μL of 10μM DilC1(5).
6. Incubate the cells at 37 °C, 5 % CO2, for 15 minutes.
7. Wash cells twice with temperate PBS and resuspend cells in 1 X Annexin-binding buffer at a concentration 1 x 106 cells/mL.
8. Add 5 μL of the Annexin V-FITC and 5 μL of PI, to each 100 μL of cell suspension.
9. Incubate the cells at room temperature for 15 minutes at room temperature (25 °C) in the dark.
10. After incubation period, add 400 μL of 1X Annexin-binding buffer.
11. Analyze by flow cytometry within one hour. - 限制
- 仅限研究用
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- 储存液
- Sodium azide
- 注意事项
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Reagents contain sodium azide. Sodium azide under acid conditions yields hydrazoic acid, an extremely toxic compound. Azide compounds should be diluted with running water before being discarded. These conditions are recommended to avoid deposits in plumbing where explosive conditions may develop.
Do not pipet by mouth.
Samples should be handled as if capable of transmitting infection. Appropriate disposal methods should be used.
The sample preparation procedure employs a fixative (formaldehyde). Contact is to be avoided with skin or mucous membranes - 注意事项
- Light exposure should be avoided. Use dim light during handling, incubation with cells and prior to analysis.
- 储存条件
- 4 °C
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- 分子量
- 35kDa
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