Transfected Stable Cell Lines
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Cat. No. : CSC-RT2710
Target Gene : DNMT3B Host Cell : HEK293T
Size : >1x106 cells/vial Validation : Sequencing
| Cat. No. | CSC-RT2710 |
| Description | This cell is a stable cell line with a homozygous knockout of human DNMT3B using CRISPR/Cas9. |
| Target Gene | DNMT3B |
| Host Cell | HEK293T |
| Host Cell Species | Homo sapiens (Human) |
| Size | 1 vial (>10^6 cell/vial) |
| Validation | Sequencing |
| Storage | Liquid nirtogen |
| Shipping | Dry ice package |
| 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 |
| Gene Name | DNMT3B DNA (cytosine-5-)-methyltransferase 3 beta [ Homo sapiens ] |
| Gene Symbol | DNMT3B |
| Synonyms | ICF; ICF1; M.HsaIIIB |
| Gene Description | DNA (cytosine-5-)-methyltransferase 3 beta |
| GeneID | 1789 |
| Uni ProtID | Q9UBC3 |
| mRNA Refseq | NM_175848.1 |
| Protein Refseq | NP_787044.1 |
| Chromosome Location | 20q11.2 |
| Function | DNA (cytosine-5-)-methyltransferase activity; DNA (cytosine-5-)-methyltransferase activity; DNA (cytosine-5-)-methyltransferase activity; DNA (cytosine-5-)-methyltransferase activity, acting on CpG substrates; DNA-methyltransferase activity; metal ion binding; protein binding; transcription corepressor activity; transcription corepressor activity; unmethylated CpG binding; |
| Pathway | Cysteine and methionine metabolism, organism-specific biosystem; Cysteine and methionine metabolism, conserved biosystem; Methionine degradation, organism-specific biosystem; Methionine degradation, conserved biosystem; One Carbon Metabolism, organism-specific biosystem; |
| MIM | 602900 |
DNMT3B (DNA (cytosine-5)-methyltransferase 3 beta) encodes an enzyme that plays an important role in epigenetic regulation of the human genome. The enzyme is particularly important in the process of de novo methylation, which involves the addition of methyl groups to DNA cytosine residues. DNA methylation is a key epigenetic modification that contributes to a variety of cellular processes, including embryonic development, genomic imprinting, and X-chromosome inactivation. Modifications performed by DNMT3B can affect gene expression patterns by altering chromatin structure, making genes easier or harder to transcribe.
Mutations in the DNMT3B gene are associated with a rare genetic disorder called immunodeficiency-centromere instability-facial anomalies (ICF) syndrome. ICF syndrome is characterized by defects in lymphocyte maturation, centromere instability, and distinct facial anomalies. Recent studies have also implicated DNMT3B in various forms of cancer. Abnormal methylation patterns due to dysregulated DNMT3B function can lead to silencing of tumor suppressor genes and activation of oncogenes, which can lead to tumor initiation and progression. Studies have shown that overexpression of DNMT3B is frequently observed in several types of cancer, including lung, colon, and breast cancer.
Human DNMT3B knockout cell lines derived from HEK293T cells are powerful tools for epigenetic research, especially in studies investigating the role of DNA methylation. DNMT3B is one of the major DNA methyltransferases involved in establishing genomic DNA methylation patterns during development. Here are some of the key applications of DNMT3B knockout cell lines:
Cancer Research: Knockout cell lines help researchers understand the role of DNMT3B in tumorigenesis and cancer progression by revealing the consequences of its absence, thereby aiding in the development of targeted cancer therapies.
Genetic and Epigenetic Research: HEK293T cells with DNMT3B knockout facilitate the study of epigenetic modifications, such as DNA methylation, which play a crucial role in gene regulation, development, and disease. This provides further insight into gene expression patterns and the mechanisms underlying various genetic diseases.
Drug Screening and Development: These knockout cell lines provide a powerful platform for high-throughput drug screening. By evaluating the response of cells to different compounds in the absence of DNMT3B, researchers can identify potential drug candidates and evaluate their mechanisms of action, thereby aiding in the development of new therapeutic approaches.
Stem Cell Research: DNMT3B is essential for maintaining the pluripotency and differentiation potential of stem cells. Knockout lines are important models for studying how loss of DNMT3B affects stem cell maintenance and differentiation, providing crucial insights into regenerative medicine and developmental biology.
A: DMEM supplemented with 10% fetal bovine serum. <br> It is not required to add the selection antibiotics when culturing the KO cells.
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.
A: Single clonal cell.
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.
A: The cell line should be stored in liquid nitrogen for long-term preservation.
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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Creative Biogene team provided comprehensive documentation and was readily available to answer any technical queries we had. It made the transition to using this cell line seamless and trouble-free.
We have utilized the DNMT3B knockout HEK293T cells in a variety of applications ranging from gene expression studies to drug screening assays. It's a highly recommended tool for any lab focused on epigenetics or gene regulation.
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