Integrin alpha V beta 6 is a heterodimer of beta-6 associating with alpha-V. Integrin alpha-V beta-6 is a receptor for fibronectin and cytotactin. It recognizes the sequence R-G-D in its ligands. Internalisation of integrin alpha-V beta-6 via clathrin-mediated endocytosis promotes carcinoma cell invasion. Also, Integrin alpha-V beta-6 acts as a receptor for coxsackievirus A9 and coxsackievirus B1 as well as herpes simplex virus-1/HHV-1. Furthermore, it binds the TGF-beta latency‑associated peptide (LAP) and activates TGF-beta 1 or TGF-beta 3 from large latent complexes. This activation requires interaction with LTBP-1 and fibronectin, and is enhanced by PAR-1.
Integrin alpha V beta 6 製品リスト
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How should αVβ6 cross-species binding be assessed before animal studies?
Screen against human αVβ6, then compare the homolog from the intended model, such as cynomolgus, mouse, or rat. Use matched heterodimer formats and assay conditions to avoid construct-driven differences.
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When should recombinant αVβ6 protein and an αVβ6 stable cell line be used together?
Recombinant αVβ6 supports controlled affinity and biochemical inhibition assays. A stable cell line then confirms recognition of membrane-displayed αVβ6 and reveals accessibility or avidity effects.
Q
Why is a MALS-verified αVβ6 heterodimer important for inhibitor screening?
The binding surface depends on the assembled αV and β6 subunits. SEC-MALS helps confirm the expected molecular assembly and detect aggregation that could distort multivalent binding signals.
Q
How should RGD-ligand and divalent-cation conditions be controlled in αVβ6 assays?
αVβ6 recognition is RGD- and conformation-dependent, and Ca²⁺, Mg²⁺, or Mn²⁺ can alter apparent affinity. Keep ligand source, cation composition, and chelator content constant across candidates and lots.
Q
How can direct αVβ6 blockade be distinguished from downstream TGF-β pathway inhibition?
Measure disruption of the αVβ6–latent TGF-β1 interaction first, using a binding assay such as TR-FRET. Follow with a cell-based TGF-β readout to determine whether pathway inhibition is consistent with direct target blockade.
Great communication from the Acro team--quickly received an email detailing the estimated delivery timeframe and asking if that timeframe was acceptable. Product was ready per the timeline provided by the Acro biosystems team and shipped. This was a new product for us (though we’ve used other acro biosystems products previously) and worked well for our intended use with Surface Plasmon Resonance (SPR). Thank you all!