Il17a Knockin mouse models
Il17a is the mouse ortholog of human IL17A and encodes a cystine-knot cytokine acting as a homodimer, and also as a heterodimer with interleukin 17F, on the IL-17RA and IL-17RC receptor complex, recruiting the adaptor Act1 encoded by Traf3ip2 plus TRAF6 to activate NF-kB, MAPK signaling, and transcript stabilization of CXCL1, CXCL2, CSF3, and antimicrobial peptides in epithelium and stroma. Producers are RORgt dependent Th17 cells, gamma delta T17 cells, ILC3s, and MAIT cells, and human IL17RA or IL17F lesions cause chronic mucocutaneous candidiasis while excess drives psoriasis, the indication where secukinumab and ixekizumab succeeded. Because Il17a and Il17f are adjacent and coregulated, single nulls give partial phenotypes and heterodimer contributions are missed, so compound alleles or receptor deletion are frequently required. Fate mapping alleles such as Il17a-Cre distinguish current from historical expression, and conditional deletion in gamma delta versus CD4 compartments is what actually assigns the pathogenic source.
Knockin designs at Il17a support head to head comparisons between wild type and modified alleles because regulatory DNA stays in place.
What Il17a Knockin mouse models are available?
ingenious targeting laboratory offers 2 distinct Il17a knockin catalog mouse models. Researchers can order pre-developed catalog lines or request a custom mouse model, including humanized, knockin, and transgenic variations with verified germline transmission.
Designing a Il17a Knockin allele
Because interleukin 17A expression is transient and heavily regulated after transcription, cassette placement decides whether a knockin reports biology or artifact. Insert a T2A linked fluorophore or recombinase immediately upstream of the stop codon so the secreted cytokine keeps its native carboxy terminus, and leave the 3 prime untranslated region intact, since Regnase 1 and Arid5a act there to set transcript stability. Dual reporter designs at Il17a and Il17f in the same animal resolve which producers make heterodimers, a distinction no single reporter can draw. Structure guided point knockins at the receptor binding surface can yield a mutant that dimerizes normally yet cannot engage IL-17RA, separating assembly from signaling. Validate by comparing reporter positive frequencies with intracellular staining, confirm secreted protein by ELISA, and check that homozygous knockin animals still clear Candida albicans normally.
Knockin and humanized formats keep regulatory context at the endogenous locus. For your target tissue 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.
Pricing and quotes
The Il17a Knockin lines listed above are catalog models. Send us the catalog number and our team confirms current availability, pricing, and whether the line ships cryopreserved or live.
If your study needs a Il17a allele configuration that is not listed above, our scientific team designs and generates it. Model generation quotes return in about twenty four hours with project milestones and pricing.
FAQ
What Il17a Knockin mouse models are available?
When Il17a Knockin lines are in catalog, we ship from inventory. If your configuration is not listed, we design the allele to order. Common paths include conditional knockout, constitutive knockout, humanized, knockin, and transgenic options, with documented germline transmission and United States QC.
Is Il17a knockout embryonic lethal in mice?
It depends on background and allele design. Some Il17a germline knockouts are viable. Others need conditional alleles or mixed backgrounds. We review publications and our own experience, then recommend floxed versus null before you commit.
Which Cre driver is best for experiments?
Driver choice depends on onset timing, recombination efficiency, and known leak. We map your organ and cell type to a short list of proven Cre lines, then talk through reporter crosses and controls. We favor drivers with strong community validation for your tissue.
Do you ship live Il17a animals?
When catalog lines are live, we ship with health certificates and QC documentation. If your exact combo is not listed, we quote a generation project with cryo or live dispatch depending on cohort timing and geography.
How do I request a quote for Il17a?
Use the catalog inquire buttons or the request quote form. Include your allele goal, Cre plan if any, strain background, and cohort size. A PhD led team responds with pricing, milestones, and the fastest path to experimental animals.