FSU | Florida Institute for Pediatric Rare Diseases

Lentiviral Vectors

VIRAL VECTOR & GENE EDITING CORE

Lentiviral Vectors

Overview

What are Lentiviral Vectors?

Lentiviral vectors are powerful tools in basic research and gene therapy, derived from lentiviruses, a subgroup of retroviruses.

Applications in Gene Therapy

Lentiviral vectors have a wide range of applications, including:

  • Gene Therapy: They are used to treat genetic disorders by delivering therapeutic cargo to correct defective genes in patients. 
  • Cancer Treatment: Lentiviral vectors are employed in advanced therapies like CAR Tcell therapy, where T-cells are modified to find and destroy cancer cells. 
  • Vaccine Development: They are also being explored for use in vaccine development, for diseases where traditional vaccines are ineffective.
  • Preclinical Research: Lentiviral vectors are commonly used in basic research to introduce gene products into in vitro systems or animal models, facilitating studies on gene function and regulation.

Advantages of Lentiviral Vectors

  • Ability to Infect Non-Dividing Cells: Unlike many other viral vectors, lentiviral vectors can infect both dividing and non-dividing cells, broadening their application
  • Stable Gene Expression: Once integrated into the host genome, lentiviral vectors can provide stable and long-term expression of the therapeutic gene.
  • Low Immunogenicity: Engineered lentiviral vectors typically exhibit low immunogenicity, reducing the likelihood of an adverse immune response.

Safety Considerations

While lentiviral vectors offer significant therapeutic potential, there are important safety concerns, including:

  • Insertional Mutagenesis: The integration of the viral DNA into the host genome can disrupt essential genes or activate oncogenes, potentially leading to cancer. 
  • Immune Reactions: Although designed to be less immunogenic, there is still a risk of the host immune system recognizing and reacting to the viral components. 

Conclusion:  Lentiviruses represent a promising avenue in gene therapy and molecular biology, with ongoing research aimed at optimizing their safety and efficacy. Their unique ability to deliver genetic material into a wide variety of cell types makes them invaluable tools in both research and clinical applications.

Product Information

The IPRD Viral Vector and Gene Editing Core offers high-quality lentiviral vectors in multiple grades to support a range of in vitro and in vivo applications. All vector preps are quality-controlled and can be customized upon request.

Titering and Aliquoting

All viral preps are rigorously titered for accuracy and reliability:

  • Flow cytometry or antibiotic-resistant colony counts are used for vectors expressing appropriate markers.
  • For marker-free vectors, real-time PCR (qPCR) on transduced cells is used.
  • Vectors are aliquoted in 1 mL, 10 mL, or 25 µL volumes depending on prep type.

Lentiviral Vector Prep Summary

Prep Type

Grade

Titer

Total Volume

Aliquot Size

Production Time

Academic Cost

Non-Academic Cost

Small Non-Concentrated

In Vitro

≥ 2.5 × 10⁷ vg/mL

10 mL

1 mL

7 days

$360

$450

Large Non-Concentrated

In Vitro

≥ 2.5 × 10⁷ vg/mL

100 mL

10 µL

7 days

$900

$1,125

Concentrated (In Vitro Grade)

In Vitro

≥ 5 × 10⁹ vg/mL

200 µL

25 µL

14 days

$1,080

$1,350

Small Concentrated (In Vivo Grade)

In Vivo

≥ 5 × 10⁹ vg/mL

50 µL

25 µL

14 days

$1,080

$1,350

Medium Concentrated (Standard In Vivo)

In Vivo

≥ 5 × 10⁹ vg/mL

200 µL

25 µL

21 days

$1,792

$2,231

Large Concentrated (In Vivo Grade)

In Vivo

≥ 5 × 10⁹ vg/mL

1 mL

25 µL

28 days

$1,080

$1,350

How to Order

To connect with the IPRD Viral Vector & Gene Editing Core and place an order, simply email your request to viral.core@med.fsu.edu