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Human DNMT1/DNMT3B Double Knockout Cell Line-HEK293T

Human DNMT1/DNMT3B Double Knockout Cell Line-HEK293T

Cat.No. :  CSC-RT2711

Host Cell:  HEK293T Target Gene:  DNMT1/DNMT3B

Size:  1x10^6 cells/vial, 1mL Validation:  Sequencing

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Cell Line Information

Cell Culture Information

Safety and Packaging

Cat. No. CSC-RT2711
Description This cell is a stable cell line with a homozygous double knockout of human DNMT1 and DNMT3B using CRISPR/Cas9.
Target Gene DNMT1/DNMT3B
Host Cell HEK293T
Host Cell Species Homo sapiens (Human)
Size Form 1 vial (>10^6 cell/vial)
Shipping Dry ice package
Storage Liquid nirtogen
Revival Rapidly thaw cells in a 37°C water bath. Transfer contents into a tube containing pre-warmed media. Centrifuge cells and seed into a 25 cm2 flask containing pre-warmed media.
Media Type Cells were cultured in DMEM supplemented with 10% fetal bovine serum.
Growth Properties Cells are cultured as a monolayer at 37°C in a humidified atmosphere with 5% CO2. Split at 80-90% confluence, approximately 1:3-1:6.
Freeze Medium Complete medium supplemented with 10% (v/v) DMSO
Mycoplasma Negative
Format One frozen vial containing millions of cells
Storage Liquid nitrogen
Safety Considerations

The following safety precautions should be observed.

1. Use pipette aids to prevent ingestion and keep aerosols down to a minimum.

2. No eating, drinking or smoking while handling the stable line.

3. Wash hands after handling the stable line and before leaving the lab.

4. Decontaminate work surface with disinfectant or 70% ethanol before and after working with stable cells.

5. All waste should be considered hazardous.

6. Dispose of all liquid waste after each experiment and treat with bleach.

Ship Dry ice
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Background

Applications

Publications

Q & A

Customer Reviews

DNMT1 (DNA methyltransferase 1) is a protein-coding gene in humans that is responsible for transferring methyl groups to cytosine nucleotides in DNA. It plays a key role in maintaining methylation patterns after DNA replication, showing a preference for hemimethylated DNA. This methylation process is essential for epigenetic regulation and affects gene expression without changing the DNA sequence itself. This protein is also involved in a variety of molecular functions such as DNA binding and zinc ion binding. It plays a role in many biological processes, including DNA template transcription and cellular response to stimuli. Variations in the DNMT1 gene have been associated with diseases such as cerebellar ataxia, deafness, narcolepsy, and hereditary sensory neuropathy type IE. DNMT3B (DNA methyltransferase 3 beta) is another protein-coding gene in humans that is essential for the CpG methylation process. Unlike DNMT1, DNMT3B is thought to play a role primarily in de novo methylation. The expression of DNMT3B is developmentally regulated and is primarily located in the nucleus. DNMT3B also plays an important role in other processes, such as transcriptional regulation and cellular responses to environmental factors. Defects or mutations in DNMT3B have been linked to a variety of diseases, including immunodeficiency-centromere instability-facial anomalies (ICF) syndrome, congenital heart defects, and various cancers.
The Human DNMT1/DNMT3B Double Knockout Cell Line - HEK293T is a powerful tool for a variety of research applications in the fields of epigenetics, cancer biology, and gene regulation. Here are some of the key applications: Epigenetic Research: By eliminating DNMT1 and DNMT3B, researchers can effectively study the effects of disrupted methylation patterns on gene expression, revealing epigenetic regulation of various biological processes. Cancer Research: Given the role of DNA methylation in cancer, this knockout cell line is valuable for studying the mechanisms by which aberrant methylation leads to carcinogenesis. It helps identify potential biomarkers and therapeutic targets that are unique to epigenetic modifications in cancer cells. Gene Expression Analysis: Researchers can use high-throughput sequencing and other gene expression analyses to understand the broad effects of DNMT knockout on cellular function, providing insights into gene regulatory networks. Drug Screening and Development: This cell line is an important model for screening drugs that target DNA methylation pathways. It enables pharmaceutical researchers to identify and evaluate compounds that can modulate methylation, providing potential treatments for diseases associated with epigenetic dysregulation. Development of Epigenetic Therapies: Using this cell line, researchers can test the efficacy and specificity of new epigenetic therapies. This is particularly important for developing treatments for cancer and other diseases where DNA methylation patterns are disrupted.
Customer Q&As
What is the recommended growth medium? Does it require antibiotic selection?

A: DMEM supplemented with 10% fetal bovine serum.
It is not required to add the selection antibiotics when culturing the KO cells.

How is the knockout cell line validated?

A: The knockout cell product is validated by PCR amplification and Sanger Sequencing to confirm the mutation at the genomic level. Please find the detailed mutation info in the datasheet.

Is the product a single clonal cell or mixed cell pool?

A: Single clonal cell.

Can I confirm gene knockout by RT-qPCR?

A: No. This knockout cell product is generated using the CRISPR/Cas9 system to induce small insertions or deletions (indels) resulting in frameshift mutations. Although these frameshift mutations typically disrupt the coding gene, there is a possibility that the non-functional transcript may still be transcribed. Consequently, this could potentially yield misleading results when analyzed by RT-qPCR.

How can I store the cell product?

A: The cell line should be stored in liquid nitrogen for long-term preservation.

Is it possible to get multiple knockout clones for my GOI?

A: For most cases, we often keep at least 2 clones with different frameshift mutations. Please feel free to contact us to check if there are additional available clones.

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Customer Reviews
Reliable Results

We have been using the DNMT1/DNMT3B double knockout cell line for several months now, and the results have been nothing short of exceptional. The double knockout is stable, which has significantly increased the reproducibility of our experiments.

United States

09/09/2022

invaluable tool

Using the Human DNMT1/DNMT3B Double Knockout Cell Line has allowed us to dive deeper into the mechanistic pathways of DNA methylation. The double knockout has provided clear insights, making our data more meaningful and interpretations more conclusive.

United States

02/01/2023

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