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Article

The role of Tat in the human immunodeficiency virus life cycle indicates a primary effect on transcriptional elongation.

1 May 1991

Abstract excerpt

The mechanism of Tat transactivation was studied by treating cell lines containing Tat-defective viruses with purified Tat protein. These cell lines constitutively produce very low levels of virus in the absence of Tat, as measured by p24 antigen levels. Virus production can be increased greater than 30,000-fold by adding exogenous Tat. Tat addition increases mRNA levels early in the viral life cycle, and Tat is...

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PMID: 2023953
DOI: 10.1073/pnas.88.9.4045

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-08.1.

Source receipt: pubmed, retrieved 7 Sept 2026.

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