A formylpeptide receptor, FPRL1, acts as an efficient coreceptor for primary isolates of human immunodeficiency virus
2008

FPRL1 as a Coreceptor for HIV/SIV

publication Evidence: moderate

Author Information

Author(s): Shimizu Nobuaki, Tanaka Atsushi, Mori Takahisa, Ohtsuki Takahiro, Hoque Aliful, Jinno-Oue Atsushi, Apichartpiyakul Chatchawann, Kusagawa Shigeru, Takebe Yutaka, Hoshino Hiroo

Primary Institution: Gunma University Graduate School of Medicine

Hypothesis

FPRL1 acts as a coreceptor for primary isolates of HIV-1 and other HIV/SIV strains.

Conclusion

FPRL1 is a novel and efficient coreceptor for HIV/SIV strains, playing both protective and promotive roles in HIV-1 infection.

Supporting Evidence

  • FPRL1 was found to be efficiently used as a coreceptor by primary HIV-1 isolates.
  • Activated monocytes expressing FPRL1 become resistant to infection by HIV-1 strains.
  • FPRL1's coreceptor activity was partially blocked by the fMLF peptide.

Takeaway

FPRL1 helps HIV get into cells, and it can both protect and help the virus depending on the situation.

Methodology

The study involved transducing a human glioma cell line with FPRL1 and testing its susceptibility to various HIV/SIV strains.

Limitations

The roles of FPRL1 in HIV-1 infection in vivo need further investigation.

Digital Object Identifier (DOI)

10.1186/1742-4690-5-52

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