Sargassum fusiforme fraction inhibits HIV-1
Author Information
Author(s): Paskaleva Elena E, Lin Xudong, Duus Karen, McSharry James J, Veille Jean-Claude L, Thornber Carol, Liu Yanze, Lee David Yu-Wei, Canki Mario
Primary Institution: Center for Immunology and Microbial Disease, Albany Medical College, Albany, NY, USA
Hypothesis
Sargassum fusiforme contains bioactive compounds that inhibit HIV-1 infection.
Conclusion
The SP4-2 fraction from Sargassum fusiforme significantly inhibits HIV-1 infection through multiple mechanisms.
Supporting Evidence
- SP4-2 inhibited HIV-1 infection by 86.9% at a concentration of 8 μg/ml.
- The IC50 value for SP4-2 was determined to be 3.7 μg.
- SP4-2 blocked HIV-1 fusion and entry by 53%.
- SP4-2 inhibited HIV-1 reverse transcriptase activity by up to 79%.
- SP4-2 showed a 230-fold enhancement of antiretroviral potency compared to the whole extract.
Takeaway
A part of a seaweed called Sargassum fusiforme can help stop HIV from making people sick.
Methodology
Bioactivity-guided fractionation was used to isolate the SP4-2 fraction, which was tested for its ability to inhibit HIV-1 infection in T cells.
Limitations
The study primarily focused on in vitro results, and further research is needed to confirm efficacy in vivo.
Statistical Information
P-Value
p ≤ 0.0001
Statistical Significance
p ≤ 0.0001
Digital Object Identifier (DOI)
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