Creative Biolabs is offering the most comprehensive services for antibody development projects. With strict regulation and effective execution, we are dedicated to providing the most valuable solutions to complete your projects.
HighlightsCreative Biolabs is offering the most comprehensive services for antibody development projects. With strict regulation and effective execution, we are dedicated to providing the most valuable solutions to complete your projects.
HighlightsCreative Biolabs has established a broad range of platforms for developing novel antibodies or equivalents. These cutting-edge technologies enable our scientists to meet your demands from different aspects and tailor the most appropriate solution that contributes to the success of your projects.
HighlightsWith deep understanding in antibody-related realms and extensive project experience, Creative Biolabs offers a variety of references to help you learn more about our capacities and achievements, including infographic, flyer, case study, peer-reviewed publications, and all kinds of knowledge that can assist your projects. You are also welcome to contact us directly for more specific solutions.
HighlightsGet a real taste of Creative Biolabs, one of the most professional custom service providers in the world. We are committed to providing highly customized comprehensive solutions with the best quality to advance your projects.
Highlights
Loading...All listed services and products are For Research Use Only. Do Not use in any diagnostic or therapeutic applications.
Jagged canonical Notch ligand 1 (JAG1) is a single-pass transmembrane ligand encoded by the JAG1 gene, widely expressed in epithelial and mesenchymal progenitor cells, localized exclusively to plasma membrane lipid bilayers. Distinct from Delta-type Notch ligands, JAG1 extracellular EGF-repeat domains bind Notch receptor ectodomains to trigger intracellular NICD cleavage and stem cell fate transcriptional cascades. Under steady developmental conditions, basal JAG1 expression maintains balanced progenitor cell renewal without premature terminal differentiation. Upon tissue morphogenesis signals, cell-surface JAG1-receptor ligation releases active NICD fragments to drive lineage specification and tissue boundary formation programs. Unlike transient secreted signaling factors, JAG1 bears contact-dependent developmental regulatory functions that cannot be fully compensated by other Notch ligands, linking cell-cell contact directly to progenitor differentiation pathways. Loss of functional JAG1 disrupts tissue patterning and impairs stem cell pool maintenance, while sustained JAG1 signaling sustains undifferentiated progenitor states, establishing JAG1 as a core research target for Notch ligand biology and developmental modulator screening.
JAG1 executes membrane-bound Notch ligand function embedded within cell surface bilayers, utilizing tandem EGF-like extracellular motifs to form stable trans-interactions with Notch receptor ectodomains. Conserved ligand-binding arrays exclusively recognize canonical Notch receptors, separating its binding spectrum from unrelated cell-surface signaling ligands. JAG1-mediated juxtacrine signaling bridges intercellular contact and nuclear NICD transcriptional programming, balancing progenitor self-renewal and differentiation according to tissue developmental stage. JAG1 participates in embryonic tissue patterning, adult stem cell maintenance and vascular cell lineage control. Deficient JAG1 expression ablates canonical Notch signal transduction and disturbs organ morphogenesis. Therefore, JAG1 represents a pivotal research target for juxtacrine ligand study and stem cell compound screening.
Fig. 1 Structural and functional comparison of JAG1 and DLL4 Notch ligand signaling in cancer cells versus intestinal stem cells, illustrating inhibitory effect of JAG1 blocking antibody.1
The biological functions of JAG1 are focused on Notch ectodomain recognition, juxtacrine signal initiation and stem cell control:
Creative Biolabs offers high-quality JAG1 proteins through optimized expression systems, including full-length transmembrane ligand and isolated EGF repeat ligand-binding domain variants. These products retain native Notch receptor binding biological activity, suitable for juxtacrine receptor interaction assays and stem cell modulator screening. All JAG1 proteins undergo strict quality control to ensure consistent performance and reliable application across diverse research platforms.
Not finding the membrane protein product you need? Contact us to start your one-stop custom service!
Creative Biolabs provides custom-engineered JAG1 stable cell lines, including overexpression and blank control models. These cell lines are optimized for Notch ligand profiling and stem cell differentiation signal functional analysis. Each cell line undergoes stringent validation to ensure stable expression profiles and consistent functional performance in diverse experimental contexts.
Not finding the stable cell line product you need? Contact us to start your one-stop custom service!
High-specificity recombinant antibodies targeting JAG1 are developed via advanced antibody engineering technologies, with no cross-reactivity with other Notch ligand paralogs. These antibodies are validated for plasma membrane localization detection and embryonic tissue expression profiling, and can be combined with Notch receptor detection reagents to analyze complete juxtacrine signaling complexes in progenitor cell models.
Not finding the recombinant antibody product you need? Contact us to start your one-stop custom service!
Beyond catalog products, Creative Biolabs offers specialized custom services for JAG1 research:
JAG1 is a transmembrane Notch ligand that binds cell-surface Notch receptors to trigger proteolytic NICD release and regulate stem cell differentiation.
JAG1 mediates juxtacrine Notch signaling, governing embryonic tissue patterning and adult stem cell pool maintenance.
No, all JAG1 products and services are strictly for research use only, not intended for clinical diagnosis or treatment.
Offerings include full-length JAG1 ligand proteins, isoform-specific detection antibodies and custom stable cell lines for Notch developmental research.
JAG1 proteins are validated via Notch receptor binding functional testing.
