A mouse model that is immunologically tolerant to reporter and modifier proteins

Area of Science:

• Immunology
• Biomedical Research
• Genetics

Background:

• Reporter proteins are crucial in biomedical research but face immune rejection when introduced into mice.
• Existing methods for reporter protein introduction in mice are limited by immune responses.

Purpose of the Study:

• To generate and validate a novel mouse model tolerant to multiple reporter proteins.
• To improve the success of cell transfer and gene transfer studies using reporter proteins.

Main Methods:

• Generation of a 'Tol' mouse model expressing an assembly of shuffled reporter proteins from a single open reading frame.
• Validation of the model through assessment of CD8+ T cell deletion and reporter-gene transduced T cell engraftment.

Main Results:

• The Tol mouse model constitutively expresses multiple reporter proteins.
• Expression of the Tol transgene leads to deletion of specific CD8+ T cells.
• Significant improvement in the engraftment of reporter-gene transduced T cells was observed.

Conclusions:

• The Tol mouse model offers a valuable tool for cell and viral-mediated gene transfer studies.
• This model serves as a template for creating poly-tolerant mouse strains for enhanced research applications.