LAPC-4-Cell-Line-(Not-for-sale)

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LAPC4 was isolated from the lymph nodes of a man with prostate cancer.

Catalog Number	KC-1960
Cell Line Name	LAPC-4-Cell-Line-(Not-for-sale)
Host Cell Line	NA
Quantity	Two vials of frozen cells (≥2-10⁶/vial)
Stability	Stable in culture over a minimum of 10 passages
Application	3D cell culture; Cancer research
Freezing Medium	70% RPMI1640+20% FBS+10% DMSO
Propagation Medium	RPMI1640+10%FBS
Selection Marker	NA
Morphology	Epithelial, mixed adherent suspension
Subculture	Split saturated culture 1:2 every 2-3 days; seed out at about 3-5 × 10⁵ cells/mL
Incubation	37 °C with 5% CO₂
Storage	Liquid nitrogen immediately upon receiving
Doubling Time	Approximately 72 hours
Mycoplasma Status	Negative
In Vivo Validation	NA

Prewarm culture medium (RPMI1640 + 10% FBS)in a 37°C water bath.
Thaw the frozen vial in a 37°C water bath for 1-2 minutes.
Transfer the vial into biosafety cabinet, and wipe the surface with 70% ethanol.
Unscrew the top of the vial and transfer the cell suspension gently into a sterile centrifuge tube containing 9.0mL complete culture medium.
Spin at ~ 125 × g for 5-7 minutes at room temperature, and discard the supernatant without disturbing the pellet.
Resuspend cell pellet with the appropriate volume of complete medium and transfer the cell suspension into a T25 culture flask.
Incubate the flask at 37°C, 5% CO₂ incubator.
Split saturated culture 1:2- every 2-3 days; seed out at about 3-5 × 10⁵ cells/mL.

Prepare the freezing medium (70% RPMI-1640 + 20% FBS + 10% DMSO) fresh immediately before use.
Keep the freezing medium on ice and label cryovials.
Transfer cells to a sterile, conical centrifuge tube, and count the cells.
Centrifuge the cells at 250×g for 5 minutes at room temperature and carefully aspirate off the medium.
Resuspend the cells at a density of at least 3×10⁶ cells/mL in chilled freezing medium.
Aliquot 1 mL of the cell suspension into each cryovial.
Freeze cells in the CoolCell freezing container overnight in a -80°C freezer.
Transfer vials to liquid nitrogen for long-term storage

Widely used prostate carcinoma cell lines share common origins. Prostate 47:36-51(2001)
Molecular characterization of human prostate carcinoma cell lines. Prostate 57:205-225(2003)

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