Medical Consumables and Lab Consumables OEM Manufacturer
Medical Consumables and Lab Consumables OEM Manufacturer

K562 Feeder Cell FAQ

19 2026.05
What are the key advantages of choosing GMP-grade K562 feeder cells over developing an in-house system?
In the development of NK cells, CAR-NK cells, and TILs, building an in-house feeder cell system typically involves multiple complex stages, including cell construction, genetic engineering, process op...
19 2026.05
What is the value of GMP-grade K562 feeder cells in CMC development and drug submissions?
The core value of Hillgene’s GMP-grade K562 feeder cells lies in their standardized production system and comprehensive CMC support, directly serving process development and regulatory submissions fo...
19 2026.05
Does residual K562 affect the functionality of expanded immune cells?
Multidimensional studies by Hillgene have shown that after 14 days of co-culture with NK cells, the residual K562 rate is below 0.1%.This low level of residual K562 does not significantly affect the v...
19 2026.05
How does Hillgene ensure the reliable source and traceability of its K562 feeder cells?
Hillgene’s K562 feeder cells are derived from the official K562 cell line provided by ATCC and undergo rigorous genetic engineering and monoclonal selection.· Reliable source: ATCC, as a globally re...
19 2026.05
How is the residual presence of K562 feeder cells detected during NK cell production?
To ensure that the final NK cell product is free of feeder cells, Hillgene provides a dedicated K562 residual detection kit. → Residual K562 feeder cell Detection Kit (Cat. No.: HG-KF001)This kit is ...
19 2026.05
How are Hillgene’s K562 feeder cell products transported and stored?
Hillgene’s K562 feeder cells are transported and stored using low-temperature solutions tailored to packaging format and shipping distance to ensure stable cell viability and quality.For internationa...
19 2026.05
What is the significance of DMF filing for drug development using Hillgene's K562 feeder cells?
The core value of DMF filing is to provide standardized and auditable CMC data support for drug submissions using Hillgene's K562 feeder cells.By referencing the DMF, clients can:· Reduce redunda...
19 2026.05
Have Hillgene's K562 feeder cells been inactivated?
Yes. Hillgene's K562 feeder cells have been rigorously inactivated using 100 Gy irradiation.After inactivation, the cells lose their proliferative capacity but retain their function as feeder cel...
19 2026.05
Do GMP-grade K562 feeder cells carry any tumorigenic or oncogenic risk?
Hillgene's GMP-grade K562 feeder cells have undergone systematic safety evaluations, including tumorigenicity and oncogenicity tests, all of which yielded negative results.Combined with irradiatio...
19 2026.05
How effective are K562 feeder cells in NK cell expansion?
Under standardized culture conditions, Hillgene's GMP-grade K562 feeder cells can significantly enhance NK cell expansion.Experimental data show:· Over 5,000-fold expansion within 14 days· NK ce...
19 2026.05
Are Hillgene's K562 feeder cells suitable for different donor sources?
Yes. Hillgene's K562 feeder cells have been validated with multiple donor sources, including:· Peripheral blood mononuclear cells (PBMCs)· Cord blood-derived cells· iPSC-derived NK cellsIt demo...
19 2026.05
What is the production timeline and delivery capacity of K562 feeder cells?
The standard delivery time for Hillgene's K562 feeder cells is approximately 30 days. Each batch includes up to 40 bags, with around 1×10⁹ cells per bag.All products undergo quality release test...