Cas9 Stable Cell Line - MFE-280

The MFE-280 cell line is an epithelial cell model derived from human lung tissue, possessing strong growth characteristics and genetic stability, making it ideal for molecular biology research. The Cas9 Stable Cell Line - MFE-280 is a genetically engineered variant in which CRISPR-associated protein 9 (Cas9) is stably integrated into the host genome. This modification ensures the continuous and stable expression of the Cas9 endonuclease without the need for repeated transfection. Its key features include compatibility with standard gRNA delivery methods, maintenance of parental cell morphology and doubling time, and certification as being mycoplasma-free. The MFE-280 cell line''s high transfection efficiency and epithelial cell origin make it an ideal choice for constructing human tissue-specific pathway models.

The Cas9 Stable Cell Line - MFE-280 has wide applications in functional genomics and drug development. Researchers use it for high-throughput CRISPR screening to identify key genes in cancer progression, viral infection mechanisms, and metabolic pathways. Compared to transient expression systems, stable Cas9 expression significantly reduces experimental variability, facilitating long-term studies requiring continuous gene manipulation, such as drug resistance modeling. This cell line is particularly important in synthetic lethality screening in oncology, where it can identify therapeutic targets through combinatorial gene knockout. Furthermore, it can accelerate the construction of disease-associated homologous cell models (e.g., introducing oncogenic mutations or correcting gene defects) for phenotypic validation in compound screening experiments.