Conventional / global / constitutive KO
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Browse 3 Smad3 mouse models including conditional knockout, knockout variants — in stock and ready to ship from ingenious targeting laboratory. Available as Smad3 conditional knockout mouse, Smad3 knockout mouse. Request a quote within 24 hours.
Lacking the exon 3 insert that keeps SMAD2 off DNA, the protein encoded by Smad3 (human SMAD3) binds CAGAC SMAD-binding elements directly through its MH1 domain after ALK5 phosphorylates its carboxy-terminal SSVS motif, then trimerizes with SMAD4 and cooperates with AP-1, TCF and FOXO factors to drive collagen, Serpine1 and Foxp3 transcription. This direct DNA engagement makes it the dominant effector for TGF beta driven fibrosis, epithelial to mesenchymal transition and induced regulatory T cell generation. Human loss-of-function mutations cause aneurysm-osteoarthritis syndrome, a Loeys-Dietz variant, providing a knockin rationale distinct from deletion. Constitutive nulls are viable with immune dysregulation, colorectal tumors and protection from experimental fibrosis, so conditional alleles are needed chiefly to separate stromal, epithelial and T cell compartments. Given that Smad2 and Smad3 diverge in DNA binding rather than receptor use, allele selection should follow whether the endpoint is transcriptional output or receptor-proximal signaling.
ingenious targeting laboratory offers 3 distinct Smad3 (SMAD3) catalog mouse models, featuring conditional knockout and standard knockout. Researchers can order pre-developed catalog lines or request a custom mouse model, including humanized, knockin, and transgenic variations with verified germline transmission.
| Model Availability | Allele Class Options |
|---|---|
| 3 Ready Catalog Lines | Conditional Knockout (cKO) |
| Custom Model Generation | Constitutive Knockout (KO) |
| Advanced Modifications | Humanized, Knockin, Transgenic |
Knockout
Conditional knockout
Knockin
Humanized
Transgenic / overexpression
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Knockout, conditional, knockin, humanized, and related paths for Smad3 (human SMAD3). Catalog lines ship when inventory exists. Everything else is a generation quote.
Specify tissue or Cre driver on quote
Convertible floxed allele pathway
Multi allele / compound knockout project
BAC scale deletion or targeting
LSL or conditional expression knockin
Domain or partial humanization scope
Checkpoint IO humanization when gene is a checkpoint target
Multi humanized / combination IO project
BAC transgenic or large fragment insert
Tamoxifen or dox inducible Cre
Dual recombinase breeding scheme
Flp or FRT derivative allele pairing
Catalog reporter lines not tied to a single gene allele
Specify rat on quote
Specify rabbit on quote
Background substrain on quote
Background strain on quote
3 Smad3 lines with QC documentation and technical support. Smad3 floxed mice use loxP flanked alleles for Cre dependent tissue specific knockout.
We have 3 Smad3 models in stock — including Conditional Knockout, Knockout types. In stock and ready to ship this week. All models come with full QC documentation, health certificates, and dedicated technical support.
Best pricing in the industry. Get a quote in 24 hours. Our team of PhD scientists is available to help you select the right model for your research.
Order catalog modelA Smad3 knockout mouse has the Smad3 gene permanently inactivated, enabling loss of function studies. A Smad3 conditional knockout (floxed) mouse carries loxP sites flanking a critical exon of Smad3, allowing Cre recombinase dependent deletion in specific tissues or at specific timepoints.
Jump to catalog backed pages for Smad3 organized by modification type. Each URL is indexable and matches common search patterns.