Immortalized cell lines and primary cells serve distinct roles in biomedical research, each with unique advantages and limitations.
🧬 Primary Cells:
- Origin: Directly isolated from living tissues (e.g., organs, blood, embryos)
- Characteristics: Retain physiological and genetic traits of source tissue
- Limitations:
- Limited lifespan (≤10 generations)
- Sensitive to culture conditions
- High cost and variability between donors