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BBC News Item 24
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1.
Canadian researchers have discovered a gene that can block certain forms of HIVand may perhaps one day be used to prevent the onset of AIDS.
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Scientists from the University of Alberta identified a human gene called TRIM22 that can block HIV infection by preventing the virus from replicating.
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"TRIM22 is an essential part of ourbody's ability to fight off HIV,"Dr.
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Stephen Barr, a researcher in the department ofmedical microbiology and immunology at the University of Alberta,said in a release issued Thursday.
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Other genes in the TRIM family have also been shown to prevent viruses from replicating.
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TRIM5a blocks the early replication of HIV-1 while RhTRIM5ablocks latestage HIV replication.
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The scientists are now exploring how this gene canbe turned on in people who cannot defend themselves against the virus.
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