regulatory T cell specific Cre mouse lines for conditional alleles
Tissue restricted knockout of Target reduces off target stress compared with constitutive loss. You retain wild type Target everywhere else, which improves breeding robustness and mirrors patient biology where mutations arise in a subset of cells. For regulatory T cell work, plan Cre specificity, reporter crosses, and baseline phenotyping before you scale.
Drivers used in regulatory T cell programs
Conditional knockout keeps treg as the experimental theater while the rest of the animal retains a wild type allele. That pattern mirrors somatic mutation in patients and avoids systemic compensation that can erase subtle phenotypes. It is often preferred when a germline null is lethal, weak, or confounded by developmental rescue. Knockin and humanized formats preserve regulatory context at the endogenous locus. For treg focused programs, that matters when expression timing, splice isoforms, or allele dosage drive biology. Random integration transgenics can still help, but targeted alleles usually give cleaner pharmacology readouts.
- Foxp3-Cre
Constitutive recombinase activity in the labeled lineage under this promoter system.
- Foxp3-CreERT2
Inducible via tamoxifen control. Pair timing experiments with reporter crosses before scaling cohorts.
Popular floxed genes crossed to regulatory T cell drivers
Frequently asked questions
What does regulatory T cell specific Cre mean?
regulatory T cell specific Cre drivers recombine floxed alleles primarily in that lineage. Practical work still demands reporter crosses to verify efficiency in your facility because genetic background and copy number nudge leak profiles.
Should I use inducible CreERT2 for regulatory T cell studies?
Inducible systems help when developmental deletion confounds adult phenotypes or when you need tight timing around injury or tumor onset. Tamoxifen protocols carry their own controls, which we document in project planning.
Where do I find floxed models to pair with these drivers?
Our catalog lists floxed conditional lines by gene. If your favorite target is not listed, we quote custom flox builds and crossing plans so you reach cohort size on a clear schedule.