KC-5731

293T-cyno-MADCAM1 Cell Line

59550

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Background of 293T-cyno-MADCAM1 Cell Line

The protein encoded by this gene is an endothelial cell adhesion molecule that interacts preferentially with the leukocyte beta7 integrin LPAM-1 (alpha4beta7), L-selectin, and VLA-4 (alpha4beta1) on myeloid cells to direct leukocytes into mucosal and inflamed tissues. It is a member of the immunoglobulin family and is similar to ICAM1 and VCAM1. At least seven alternatively spliced transcripts encoding different protein isoforms have been found for this gene, but the full-length nature of some variants has not been determined.

Specifications

Catalog Number	KC-5731
Cell Line Name	293T-cyno-MADCAM1 Cell Line
Clone Number	3#
Host Cell Line	293T
Description	Stable 293T cell line expressing exogenous cyno MADCAM1 gene.
Quantity	Two vials of frozen cells (≥2-10⁶/vial)
Stability	Stable in culture over a minimum of 10 passages
Application	Drug screening and biological assays
Freezing Medium	70% DMEM + 20% FBS + 10% DMSO
Propagation Medium	DMEM + 10% FBS + 1ug/mL Puromycin
Selection Marker	Puromycin
Morphology	Epithelial
Subculture	Split saturated culture 1:4-1:5 every 2-3 days; seed out at about 1-3 × 10⁵ cells/mL
Incubation	37 °C with 5% CO₂
Storage	Liquid nitrogen immediately upon receiving
Doubling Time	Approximately 30 hours
Mycoplasma Status	Negative

Cell Line Generation

293T cyno MADCAM1 cell line was generated using lentiviral vector expressing cyno MADCAM1 sequence.

Characterization

Figure 1: Characterization of cyno MADCAM1 overexpression in the 293T cyno MADCAM1 stable clone using QPCR.

Figure 2: Characterization of cyno MADCAM1 expression in 293T cyno MADCAM1 stable clones using PCR sequencing.

Cell Resuscitation

1. Prewarm culture medium (DMEM + 10% FBS + 1ug/mL Puromycin)in a 37°C water bath.
2. Thaw the frozen vial in a 37°C water bath for 1-2 minutes.
3. Transfer the vial into biosafety cabinet, and wipe the surface with 70% ethanol.
4. Unscrew the top of the vial and transfer the cell suspension gently into a sterile centrifuge tube containing 9.0mL complete culture medium.
5. Spin at ~ 125 × g for 5-7 minutes at room temperature, and discard the supernatant without disturbing the pellet.
6. Resuspend cell pellet with the appropriate volume of complete medium and transfer the cell suspension into a T25 culture flask.
7. Incubate the flask at 37°C, 5% CO₂ incubator.
8. Split saturated culture 1:4-1:5 every 2-3 days; seed out at about 1-3 × 10⁵ cells/mL.

Cell Freezing

1. Prepare the freezing medium (70% DMEM + 20% FBS + 10% DMSO) fresh immediately before use.
2. Keep the freezing medium on ice and label cryovials.
3. Transfer cells to a sterile, conical centrifuge tube, and count the cells.
4. Centrifuge the cells at 250×g for 5 minutes at room temperature and carefully aspirate off the medium.
5. Resuspend the cells at a density of at least 3×10⁶ cells/mL in chilled freezing medium.
6. Aliquot 1 mL of the cell suspension into each cryovial.
7. Freeze cells in the CoolCell freezing container overnight in a -80°C freezer.
8. Transfer vials to liquid nitrogen for long-term storage.

References

1.Fidelle M, Rauber C, Alves Costa Silva C, Tian AL, Lahmar I, de La Varende AM, Zhao L, Thelemaque C, Lebhar I, Messaoudene M, Pizzato E, Birebent R, Mbogning Fonkou MD, Zoppi S, Reni A, Dalban C, Leduc M, Ferrere G, Durand S, Ly P, Silvin A, Mulder K, Dutertre CA, Ginhoux F, Yonekura S, Roberti MP, Tidjani-Alou M, Terrisse S, Chen J, Kepp O, Schippers A, Wagner N, Suárez-Gosálvez J, Kobold S, Fahrner JE, Richard C, Bosq J, Lordello L, Vitali G, Galleron N, Quinquis B, Le Chatelier E, Blanchard L, Girard JP, Jarry A, Gervois N, Godefroy E, Labarrière N, Koschny R, Daillère R, Besse B, Truntzer C, Ghiringhelli F, Coatnoan N, Mhanna V, Klatzmann D, Drubay D, Albiges L, Thomas AM, Segata N, Danlos FX, Marabelle A, Routy B, Derosa L, Kroemer G, Zitvogel L. A microbiota-modulated checkpoint directs immunosuppressive intestinal T cells into cancers. Science. 2023 Jun 9;380(6649):eabo2296.