Lentiviral vector-mediated stable expression of sTNFR-Fc in human macrophage and neuronal cells as a potential therapy for neuroAIDS
2011

Potential Therapy for NeuroAIDS Using Soluble TNF Receptor

publication Evidence: moderate

Author Information

Author(s): Cao Shengbo, Wu Chengxiang, Yang Yongbo, Sniderhan Lynn F, Maggirwar Sanjay B, Dewhurst Stephen, Lu Yuanan

Primary Institution: University of Hawai'i

Hypothesis

A soluble TNF-α antagonist might have potential utility as a neuroprotective effecter molecule.

Conclusion

Lentiviral vector mediated expression of sTNFR-Fc may have potential as a novel therapy for neuroAIDS.

Supporting Evidence

  • High-titer lentiviral vectors were prepared, allowing efficient transduction of macrophage/glial and neuronal cell lines.
  • Stable secretion of sTNFR-Fc was demonstrated in supernatants from transduced cell lines over 20 passages.
  • The secreted protein was shown to protect neuronal cells from TNF-α, HIV-1 Tat-, and gp120-mediated neurotoxicity.

Takeaway

Researchers created a special protein that can help protect brain cells from damage caused by HIV. This protein could be a new way to treat brain problems related to HIV.

Methodology

The study involved constructing a soluble TNF receptor (sTNFR)-Fc fusion protein and testing its expression and protective effects in human macrophage and neuronal cell lines using lentiviral vectors.

Statistical Information

P-Value

p<0.05

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1186/1742-2094-8-48

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