KC-0608

K562-Cell-Line-(Not-for-sale)

20689

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Background of K562-Cell-Line-(Not-for-sale)

K-562 are lymphoblast cells isolated from the bone marrow of a 53-year-old chronic myelogenous leukemia patient. The K-562 cell line is widely used in immune system disorder and immunology research.

Specifications

Catalog Number	KC-0608
Cell Line Name	K562-Cell-Line-(Not-for-sale)
Host Cell Line	NA
Description	Human chronic myeloid leukemia cell line, established from the pleural effusion of a 53-year-old woman with chronic myeloid leukemia (CML) in blast crisis
Quantity	One vial 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	Lymphoblast
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
In Vivo Validation	Yes

Cell Line Generation

Characterization

Cell Resuscitation

1. Prewarm culture medium (RPMI1640 supplemented with 10% FBS)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% RPMI1640 + 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. Isoenzyme studies in human leukemia-lymphoma cell lines -- 1 Carboxylic esterase. Leuk. Res. 9:209-229(1985)
2.Parallel genome-scale loss of function screens in 216 cancer cell lines for the identification of context-specific genetic dependencies. Sci. Data 1:140035.1-140035.12(2014)

Use License Agreement

Research Use Only.

Not for use in diagnostic procedures or therapeutic applications.

Redistribution of the cell line or its derivatives is prohibited without prior written permission from Kyinno Biotechnology.