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Anti-Human CD18 scFv Stable Cell Line-CHO

Cat.No.: CSC-P0337
Cell Line Description: CHO-Anti-Human CD18 scFv stable cell line is clonally-derived from a CHO cell line, which has been transfected with an anti-human CD18 scFv gene to allow expression of the scFv. It is an example of a cell line transfected using our proprietary CBTGS gene screening and amplification system.
Background: Integrin alpha-L/beta-2 is a receptor for ICAM1, ICAM2, ICAM3 and ICAM4. Integrins alpha-M/beta-2 and alpha-X/beta-2 are receptors for the iC3b fragment of the third complement component and for fibrinogen. Integrin alpha-X/beta-2 recognizes the sequence G-P-R in fibrinogen alpha-chain. Integrin alpha-M/beta-2 recognizes P1 and P2 peptides of fibrinogen gamma chain. Integrin alpha-M/beta-2 is also a receptor for factor X. Integrin alpha-D/beta-2 is a receptor for ICAM3 and VCAM1.
Growth Properties: Suspension
Morphology: Epithelial-like
Host Cell: CHO
Propagation: Complete growth medium: Serum-free MediumAtmosphere: air, 95%; carbon dioxide (CO2), 5% Temperature: 37 °C
Starting Cells From Frozen Cell Stock: 1. Remove the packaging cell lines from liquid nitrogen and carry out a quick thaw. Float the cells in the 37 °C water bath for 2 minutes until nearly (80%) thawed. Once cells are thawed, it is important to dilute the cells 1:10 in growth media immediately to reduce the potentially toxic effects of the DMSO preservative on the cells.2. Clean the outside of the vial with 70% ethanol before opening.3. Remove the cells from the vial and add slowly into a 15ml conical tube containing 10 ml pre-warmed media. 4. Centrifuge for 3 minutes 1000 xg to pellet cells and remove the supernatant.5. Add 14 ml of media and transfer cells to a T25 flask or a 100 mm culture dish.6. Place the cells in the 37 °C incubator with 5% CO2.7. Allow incubation for 3-4 days to reach confluence. The cells will re-attach to the surface over a period of several days in culture at 37 °C.
Subculturing: 1. Centrifuge for 5 minutes 300 xg and discard culture medium.2. Add 6.0 to 8.0 ml of complete growth medium and aspirate cells by gently pipetting.3. Add appropriate aliquots of the cell suspension to new culture vessels.Incubate cultures at 37 °C.Subcultivation Ratio: A subcultivation ratio of 1:4 to 1:8 is recommended Medium Renewal: 2 to 3 times per week
Mycoplasma: Mycoplasma Status: Negative (MycoAlert Kit)
Freeze Medium: Complete growth medium 95%; DMSO, 5%
Storage: Liquid nitrogen vapor phase
Preservation: 1. Detach cells from culture dish according to the Sub-Culture Procedure.2. Resuspend cells at a density of 5 x 10^6 cells/mL in freeze medium.3. Aliquot 1 mL cells into cryogenic vials.4. Place vials in a freezing container and store at –80 °C overnight.5. Transfer vials to liquid nitrogen for long term storage. If properly stored, cells should remain stable for years.
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
Product Type: Humanized (from mouse) IgG1 scFv
Product Purity: HPLC >98%, One strip for SDS-PAGE.
Product Activity/Specificity: Tested positive against native human antigen.
Product Storage: It should be stored at –20 °C. Reconstituted antibody aliquots should avoid repeated freeze-thaw cycles.
Involvement in Disease: Recombinant humanized monoclonal antibody fragments that was an experimental immunosuppressive drug.
Gene Name: ITGB2 integrin, beta 2 (complement component 3 receptor 3 and 4 subunit) [ Homo sapiens ]
Official Symbol: ITGB2
Synonyms: ITGB2; integrin, beta 2 (complement component 3 receptor 3 and 4 subunit); LAD; CD18; MF17; MFI7; LCAMB; LFA-1; MAC-1; integrin beta-2; integrin beta chain, beta 2; complement receptor C3 beta-subunit; complement receptor C3 subunit beta; leukocyte cell adhesion molecule CD18; leukocyte-associated antigens CD18/11A, CD18/11B, CD18/11C; cell surface adhesion glycoproteins LFA-1/CR3/p150,95 subunit beta; cell surface adhesion glycoprotein LFA-1/CR3/P150,959 beta subunit precursor); integrin, beta 2 (antigen CD18 (p95), lymphocyte function-associated antigen 1; macrophage antigen 1 (mac-1) beta subunit); CD18 antigen
Gene ID: 3689
mRNA Refseq: NM_000211
Protein Refseq: NP_000202
MIM: 600065
UniProt ID: P05107
Chromosome Location: 21q22.3
Pathway: Adaptive Immune System; Amoebiasis; CXCR3-mediated signaling events; Cell adhesion molecules (CAMs); Cell surface interactions at the vascular wall; Focal Adhesion; HIF-1-alpha transcription factor network;
Function: glycoprotein binding; protein kinase binding; receptor activity; receptor binding

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Optional requirements on this protein    +Expand
C-fusion    N-fusion   Non-tagged
His    GST   Fc   Others
<1.0 eu/μg    <0.1 eu/μg   <0.01 eu/μg   Not required
Monomer Isolation    Dimer Isolation    Not required
>80% by SDS-PAGE    >90% by SDS-PAGE   >95% by SDS-PAGE   Others

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