Human CD81 knockout THP1 cell line
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CD81 KO cell line available to order. KO validated by Next Generation Sequencing. Free of charge wild type control provided.
View Alternative Names
26 kDa cell surface protein TAPA-1, CD81 antigen, CD81 antigen (target of antiproliferative antibody 1), CD81 molecule, CD81_HUMAN, CVID6, S5.7, TAPA 1, Target of the antiproliferative antibody 1, Tetraspanin-28, Tspan-28
- NGS
Supplier Data
Next Generation Sequencing - Human CD81 knockout THP1 cell line (AB290284)
74 bp deletion after Tyr126 of the WT protein.
Reactivity data
Product details
Recommended control: Human wild-type THP-1 cell line (ab290716). Please note a wild-type cell line is not automatically included with a knockout cell line order, if required please add recommended wild-type cell line at no additional cost using the code WILDTYPE-TMTK1.
We will provide viable cells that proliferate on revival.
This product is subject to limited use licenses from The Broad Institute and ERS Genomics Limited, and is developed with patented technology. For full details of the limited use licenses and relevant patents please refer to our limited use license and patent pages.
Properties and storage information
Gene name
Gene editing type
Gene editing method
Knockout validation
Shipped at conditions
Appropriate short-term storage conditions
Appropriate long-term storage conditions
Handling procedures
Initial handling guidelines
Upon arrival, the vial should be stored in liquid nitrogen vapor phase and not at -80°C. Storage at -80°C may result in loss of viability.
1. Thaw the vial in 37°C water bath for approximately 1-2 minutes.
2. Transfer the cell suspension (0.8 mL) to a 15 mL/50 mL conical sterile polypropylene centrifuge tube containing 8.4 mL pre-warmed culture medium, wash vial with an additional 0.8 mL culture medium (total volume 10 mL) to collect remaining cells, and centrifuge at 201 x g (rcf) for 5 minutes at room temperature. 10 mL represents minimum recommended dilution. 20 mL represents maximum recommended dilution.
3. Resuspend the cell pellet in 5 mL pre-warmed culture medium and count using a haemocytometer or alternative cell counting method. Based on cell count, seed cells in an appropriate cell culture flask at a density of 4x105 cells/mL. Seeding density is given as a guide only and should be scaled to align with individual lab schedules.
4. Incubate the culture at 37°C incubator with 5% CO2. Cultures should be monitored daily.
5. THP-1 cells recover slowly from cryopreservation and therefore may not be ready for subculture for a number of days. Cells should be left as much as possible over this time and only subcultured when the cell density reaches 8x105 cells/mL.Small amounts of fresh media can be added until cell number/viability improves.
Subculture guidelines
- All seeding densities should be based on cell counts gained by established methods.
- Cells should be seeded at 2x105 - 3x105 cells/mL and subcultured when they have reached 8x105 cells/mL.
- It is not recommended to allow the cell density to exceed 1x106 cells/mL.
Culture medium
RPMI + 10% FBS + 0.05 mM beta-mercaptoethanol
Cryopreservation medium
Cell Freezing Medium-DMSO Serum free media, contains 8.7% DMSO in MEM supplemented with methyl cellulose.
Supplementary information
This supplementary information is collated from multiple sources and compiled automatically.
Biological function summary
CD81 interacts with other tetraspanins and forms complexes within the membrane to regulate cellular signaling trafficking and adhesion. It participates in the assembly of larger tetraspanin-enriched microdomains which are important for efficient signaling and functional variety. These complexes modulate cell morphology proliferation and development influencing immune responses and pathogen entry to cells. The presence of CD81 in diverse tissues implies its involvement in a wide range of cellular processes forming essential complexes with proteins like integrins that further engage in tissue repair and immunological defense.
Pathways
CD81 plays significant roles in the immune system and viral entry pathways. It interacts with other proteins like CD9 and CD19 within the immune response pathways regulating lymphocyte activation and differentiation. CD81 is notably a coreceptor in the hepatitis C virus (HCV) entry pathway facilitating viral attachment and fusion into host cells. These interactions illustrate CD81's involvement in modulation of immune cell responses and influence on pathogen infection processes integrating into the complex cellular pathways important for maintaining homeostasis and response to external stimuli.
Quality control
STR analysis
CSF1PO, D13S317, D7S820, D5S818, TH01, D16S539, TPOX
Cell culture
Biosafety level
EU: 1 US: 1
Adherent/suspension
Suspension
Gender
Male
Target data
Complementary Products
Product promise
Please note: All products are 'FOR RESEARCH USE ONLY. NOT FOR USE IN DIAGNOSTIC OR THERAPEUTIC PROCEDURES'.
For licensing inquiries, please contact partnerships@abcam.com