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Cell Meter™ Cell Proliferation Assay Kit

Cell Meter™ Cell Proliferation Assay Kit is a sensitive fluorescence-based method for quantifying cells and assessing cell proliferation and cytotoxicity in a microplate format. The kit uses our Nuclear Green LCS1, a proprietary fluorescent dye that exhibits strong fluorescence upon binding to nucleic acids. The use of Nuclear Green LCS1 improves accuracy over cell metabolism-based cell proliferation or cytotoxicity assays that can be influenced by cell changes that are unrelated to cell numbers. The kit does not require cell lysis, long incubations or removal of cells with minimal hands-on time. It is compatible with high throughput screening.

Example protocol

AT A GLANCE

Protocol Summary
  1. Prepare the cell samples and treat cells as desired

  2. Remove cell culture medium

  3. Add dye working solution
  4. Incubate for 10 minutes

  5. Analyze with fluorescence microplate reader using Ex/Em = 490/525 nm

Important: Allow all the components to warm to room temperature before opening the vials. Because this reagent binds to nucleic acids, it should be treated as a potential mutagen and handled with appropriate care. The DMSO stock solution should be handled with particular caution as DMSO is known to facilitate the entry of organic molecules into tissues. 

PREPARATION OF WORKING SOLUTION

Nuclear Green™ LCS1 dye working solution

Add 25 µL of Nuclear Green™ LCS1 to 10 mL of Reaction Buffer and mix well.

Note: 10 mL volume is sufficient for 100 tests. For best results, the Nuclear Green™ LCS1 dye working solution should be used promptly and in its entirety. 

Note: Store any unused Nuclear Green™ LCS1 (Component A) at -20 °C.

SAMPLE EXPERIMENTAL PROTOCOL

The following protocol can be used for guidelines.

  1. Prepare the cell samples and treat cells as desired.

  2. Remove the cell culture medium and wash twice with PBS.

    Note: Removal of cell culture medium is necessary since it may interfere with the fluorescence of Nuclear Green™ LCS1.

  3. Optional: After washing with PBS, experiments involving multiple time points and/or samples can be stored at -80 °C for a few days or proceed to step 4.

  4. Add 100 µL of Nuclear Green™ LCS1 dye working solution and incubate for 10 to 60 minutes at RT, protected from light.

  5. Measure the sample fluorescence using a fluorescence microplate reader with Ex/Em = 490/525 nm (Cutoff = 515 nm).

Spectrum

References

View all 50 references: Citation Explorer
[Retracted] MicroRNA‑655 inhibits cell proliferation and invasion in epithelial ovarian cancer by directly targeting vascular endothelial growth factor.
Authors: Zhao, Ziling and Yang, Shuna and Cheng, Yan and Zhao, Xiuhua
Journal: Molecular medicine reports (2022)
Inhibition of cell proliferation by Tas of foamy viruses through cell cycle arrest or apoptosis underlines the different mechanisms of virus-host interactions.
Authors: Jie, Wei and Rui-Fen, Zhang and Zhong-Xiang, Hu and Yan, Wu and Wei-Na, Liu and Yong-Ping, Ma and Jing, Song and Jing-Yi, Chen and Wan-Hong, Liu and Xiao-Hua, He and Zhi, Li and Yan, Sun
Journal: Virulence (2022): 342-354
E2 + norethisterone promotes the PI3K-AKT pathway via PGRMC1 to induce breast cancer cell proliferation.
Authors: Zhang, L and Ruan, X and Gu, M and Mueck, A O
Journal: Climacteric : the journal of the International Menopause Society (2022): 467-475
Exosome-derived FGD5-AS1 promotes tumor-associated macrophage M2 polarization-mediated pancreatic cancer cell proliferation and metastasis.
Authors: He, Zhiwei and Wang, Jie and Zhu, Changhao and Xu, Jian and Chen, Peng and Jiang, Xueyi and Chen, Yankun and Jiang, Jianxin and Sun, Chengyi
Journal: Cancer letters (2022): 215751
Embryonic nutritional hyperglycemia decreases cell proliferation in the zebrafish retina.
Authors: Hernández-Núñez, Ismael and Vivero-Lopez, Maria and Quelle-Regaldie, Ana and DeGrip, Willem J and Sánchez, Laura and Concheiro, Angel and Alvarez-Lorenzo, Carmen and Candal, Eva and Barreiro-Iglesias, Antón
Journal: Histochemistry and cell biology (2022): 401-409
Page updated on November 21, 2024

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Catalog Number22505
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Spectral properties

Excitation (nm)

503

Emission (nm)

527

Storage, safety and handling

H-phraseH303, H313, H333
Hazard symbolXN
Intended useResearch Use Only (RUO)
R-phraseR20, R21, R22

Platform

Fluorescence microplate reader

Excitation490 nm
Emission525 nm
Cutoff515 nm
Recommended plateBlack wall, clear bottom

Components

Quantification of HeLa cells using Cell Meter™ Cell Proliferation Assay kit. The linear range of cells from 50 to 50,000 HeLa cells was plated and assay was performed as per protocol. The insert shows the linearity that can be obtained at very low number of cells.
Quantification of HeLa cells using Cell Meter™ Cell Proliferation Assay kit. The linear range of cells from 50 to 50,000 HeLa cells was plated and assay was performed as per protocol. The insert shows the linearity that can be obtained at very low number of cells.
Quantification of HeLa cells using Cell Meter™ Cell Proliferation Assay kit. The linear range of cells from 50 to 50,000 HeLa cells was plated and assay was performed as per protocol. The insert shows the linearity that can be obtained at very low number of cells.