Immune Cell Transfection and Gene Regulation

Immune cell transfection and gene regulation are important technical approaches for studying immune cell functions, signaling pathways, and disease mechanisms. By delivering DNA, RNA, or gene-editing systems into immune cells, researchers can achieve gene overexpression, gene silencing, transcriptional regulation, and genome editing, thereby investigating the roles of specific genes in immune cell functions, including activation, differentiation, migration, cytokine production, and cytotoxicity.

Compared with conventional adherent cell lines, primary immune cells are generally more difficult to transfect and deliver nucleic acids into. In particular, primary T cells, NK cells, macrophages, and other primary immune cells often exhibit low proliferative activity, strong cellular stress responses, and pronounced cell-type-specific characteristics. Traditional transfection conditions may result in low delivery efficiency, increased cytotoxicity, or significant alterations in cellular functions.

Therefore, gene delivery strategies for immune cells usually require optimization based on cell type, activation state, nucleic acid type, and experimental objectives, in order to achieve efficient delivery while maintaining immune cell viability and physiological functions.

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