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Science News for February 14, 2001


Profiling T cell gene expression in anergy and arthritis

The study identifies six transcripts whose up- or down-regulation in rheumatoid arthritis (RA) parallels the changes seen in anergic cells. Calmodulin suppression in RA is consistent and dramatic, suggesting a link between anergic cells and disease-associated T cells.

SourceJCI Journals·JournalJournal of Clinical Investigation·DateFeb 14, 2001

The molecular evolution of viral drug resistance

Researchers found that HBV polymerase mutations can restore viral replication rate while maintaining drug resistance, affecting treatment efficacy. Entecavir proved effective against even the most vigorous drug-resistant mutants, offering a promising alternative to lamivudine.

SourceJCI Journals·JournalJournal of Clinical Investigation·DateFeb 14, 2001

HIV population shifts following HAART

Researchers followed women with advanced disease to see which HIV variants remain after HAART. They found that R5 viruses can re-emerge as the predominant population following treatment.

SourceJCI Journals·JournalJournal of Clinical Investigation·DateFeb 14, 2001
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