Mmp9 Knockout mouse models
Encoding gelatinase B, Mmp9 corresponds to human MMP9 and is distinguished by a fibronectin type II insert that grips gelatin and by a heavily O-glycosylated linker preceding the hemopexin domain, which mediates association with TIMP1 and with neutrophil specific storage that allows immediate release from preformed tertiary granules without new transcription. Substrates include type IV and V collagen, elastin, and several chemokines, and its best validated in vivo function is liberating matrix sequestered VEGF to trigger the angiogenic switch, a role established genetically in islet tumorigenesis models. Nulls are viable with delayed growth plate ossification and reduced neutrophil dependent tissue injury, and compensation by Mmp2 means gelatinolytic phenotypes often require both alleles. Because bone marrow derived cells supply most of the enzyme, conditional deletion or reciprocal marrow transplantation is what separates hematopoietic from stromal sources, catalytically dead knockins isolate proteolysis, and humanization supports selective inhibitor programs where broad spectrum compounds failed.
Whole body loss of Mmp9 gives the clearest readout when the question is whether the gene is required at all. Follow up tissue work can still move to a conditional allele if lethality or compensation appears.
What Mmp9 Knockout mouse models are available?
ingenious targeting laboratory offers 2 distinct Mmp9 knockout 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.
Why this approach
A conventional knockout answers whether the gene is required broadly. When your target tissue is the organ of interest, a global null can still be informative if viability is acceptable and you want the simplest genotype. If the null is harsh, a floxed allele with a regional Cre is the safer long term platform.
Pricing and quotes
The Mmp9 Knockout 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 Mmp9 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 Mmp9 Knockout mouse models are available?
When Mmp9 Knockout 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 Mmp9 knockout embryonic lethal in mice?
It depends on background and allele design. Some Mmp9 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 Mmp9 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 Mmp9?
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.