WYRGRL-modified lentiviral vector
Construct PatternWe hypothesized that engineering the LV envelope with a collagen type II-targeting peptide (WYRGRL) increases the binding affinity of the LVs for bone and cartilage.
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Mechanism Branch
Layer 1
Mechanisms
Top-level concepts: biophysical action modes such as heterodimerization, photocleavage, or RNA binding.
Layer 2
Architectures
Arrangements that realize or deploy mechanisms, including switches, construct patterns, and delivery strategies.
Layer 3
Components
Low-level parts and sequence-defined elements used inside architectures, including protein domains and RNA elements.
Technique Branch
Layer 1
Approaches
High-level engineering practices such as computational design, directed evolution, sequence verification, and functional assay.
Layer 2
Methods
Concrete methods used to design, build, verify, or characterize engineered systems.
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We hypothesized that engineering the LV envelope with a collagen type II-targeting peptide (WYRGRL) increases the binding affinity of the LVs for bone and cartilage.
This 2nd generation (Gen) LVV incorporates codon-optimized transgenes (CD40L, CD93, and CXCL13) with rearranged sequence to enhance expression, driven by a strong EF1α promoter.
A functional lentiviral vector, LV_EF1α_GBA_Opt, was generated at a titer of 7.88 × 108 LV particles/mL as determined by qPCR.
shRNA delivered by lentivirus was used as an RNA interference-based perturbation method to reduce endogenous CIB1 levels in endothelial cells. In the cited study, this knockdown approach was applied to test CIB1 function in endothelial haptotaxis and tube formation.
Lentiviral vectors (LVs) were used to overexpress CD44 cDNA (LVCD44) in rat primary tendinopathic tenocytes and tendons.
Lentiviral vectors (LVs) were used to overexpress miR-146a precursor (LVmiR-146a) in rat primary tendinopathic tenocytes and tendons.
Fourth-generation self-inactivating lentiviral vectors were used to deliver a transgenic expression of IFN-α or its co-expression with IL-15