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Cell Cycle Assay Kit (Red Fluorescence)

  • Cat.No.:E-CK-A351

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Detection principle

Cell cycle refers to the whole process from the end of one mitosis to the end of the next. During this process, the genetic material is replicated and doubled, and evenly distributed to two daughter cells at the end of division. Cell cycle can also be divided into phases like interphase and Metaphase. Intercellular phase can also be divided into dormancy (zero gap, G0), prophase of DNA synthesis (first gap, G1), anaphase of DNA synthesis (synthesis, S) and anaphase of DNA synthesis (second gap, G2). DNA detection can be used to reflect the status of each phase of the cell cycle which is also named cell proliferation. DNA can bind to fluorescent dyes (such as propidium Iodide-PI), the fluorescent dyes binding to DNA at different stages are different, and the fluorescence intensity detected by flow cytometry can also be used to detect different phases in cell cycle. When apoptotic cells occur, apoptotic bodies are produced due to the concentration and nucleolysis of cytoplasm and chromatin, which will change the light scattering properties of cells. In the early stage of apoptosis, the forward scattering (FSC) of cells decreased significantly, while the side scatter (SSC) increased or remained unchanged. In the late stage of apoptosis, both FSC and SSC signals decreased. Therefore, apoptotic cells can be observed by measuring the changes of light scattering by flow cytometry. After staining with PI, assuming that the fluorescence intensity of G0/G1 phase cells is 1, the theoretical value of fluorescence intensity of G2/M phase cells containing double genomic DNA is 2, and the fluorescence intensity of S phase cells undergoing DNA replication is between 1 and 2. Apoptotic cells lost part of genomic DNA fragmentation due to nucleus concentration and DNA fragmentation. Therefore, apoptotic cells showed obvious weak staining after PI staining and the fluorescence intensity was less than 1. The sub-G1 peak appeared on the flow cytometry fluorescence map which is apoptotic cell. The kit can be used to detect the DNA content (cell cycle) of cultured cells (suspension or adherence cells).

General Information

Application Cell Cycle
Detection method Fluorometric Method
Sample type Cell samples
Assay time 3 hours
Detection instrument Flow Cytometer
Dye Type PI
Ex/Em (nm) 536/617
Channel set PI,PerCP,PE
Filter set TRITC
Other reagents required Ethanol, PBS(E-IR-R187)
Storage 2~8°C/-20°C, shading light. Refer to the Manual.
Shipping Ice bag
Expiration date 12 months

Citations

From now on, if you have published a paper by using any of our products since 1/1/2019, fill out the “Elabscience Publication Reward Application Form”carefully and send it to orders@elabscience.com, we will get back to you with the reward after we confirm it ASAP!

View more details about our Publication Reward >>

  1. Water Research (2020) IF: 11.236
    Comparative toxicity reduction potential of UV/sodium percarbonate and UV/hydrogen peroxide treatments for bisphenol A in water: An integrated analysis using chemical, computational, biological, and metabolomic approaches

    DOI: 10.1016/j.watres.2020.116755

    PMID: 33383346

    Sample: Cell

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