TCR validation toward gene therapy for cancer

Area of Science:

• Immunology
• Molecular Biology
• Biotechnology

Background:

• Barcode-based sequencing has accelerated T cell receptor (TCR) discovery.
• Advancements in single-cell analysis promise even faster and cheaper TCR discovery.
• This progress necessitates efficient TCR validation platforms for clinical translation.

Purpose of the Study:

• To present commonly used TCR validation assays.
• To provide guidance on TCR synthesis, delivery, and controls.
• To discuss emerging methods for faster TCR validation.

Main Methods:

• Review of existing TCR validation assays.
• Guidance on TCR synthesis and delivery protocols.
• Discussion of T cell activation-based readout assays for CD4 T cells.

Main Results:

• Focus shifted to validating TCRs from CD4 T cells, requiring new assays.
• Detailed protocols for TCR synthesis, delivery, and controls are provided.
• Emerging methods are highlighted for accelerated validation.

Conclusions:

• Efficient TCR validation is critical for therapeutic applications.
• New assays are needed to complement existing methods, particularly for CD4 T cells.
• Technological advancements aim to expedite TCR translation from lab to clinic.