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(s4dU)35: a novel, highly potent oligonucleotide inhibitor of the human immunodeficiency virus type 1 reverse transcriptase

Identifieur interne : 000486 ( Istex/Corpus ); précédent : 000485; suivant : 000487

(s4dU)35: a novel, highly potent oligonucleotide inhibitor of the human immunodeficiency virus type 1 reverse transcriptase

Auteurs : Szilvia Tökés ; Janos Aradi

Source :

RBID : ISTEX:58C8655DA75EEF980B9EF728BD3FF618BA65B321

English descriptors

Abstract

Abstract: Oligodeoxycytidylates were converted to s4dUMP-containing oligomers by treatment with liquid H2S. The inhibitory potency of the modified oligonucleotides on human immunodeficiency virus type 1 reverse transcriptase depended on the chain length and on the percentage of modification. The most potent reverse transcriptase inhibitor was (s4dU)35. The inhibitory pattern was competitive, when either poly(A)·(dT)16 or poly(C)·(dG)16 was used as template-primer (variable substrate), suggesting that the free enzyme interacts with (s4dU)35. The Ki values were 3.0 and 2.2 nM in the presence of poly(A)·(dT)16 and poly(C)·(dG)16, respectively.

Url:
DOI: 10.1016/0014-5793(96)01032-0

Links to Exploration step

ISTEX:58C8655DA75EEF980B9EF728BD3FF618BA65B321

Le document en format XML

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</ce:keyword>
<ce:keyword>
<ce:text>Human immunodeficiency virus</ce:text>
</ce:keyword>
<ce:keyword>
<ce:text>Oligo 4-thio-2′-deoxyuridylate</ce:text>
</ce:keyword>
<ce:keyword>
<ce:text>Antitemplate</ce:text>
</ce:keyword>
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<ce:keywords class="abr">
<ce:section-title>Abbreviations</ce:section-title>
<ce:keyword>
<ce:text>RT, reverse transcriptase</ce:text>
</ce:keyword>
<ce:keyword>
<ce:text>HIV, human immunodeficiency virus</ce:text>
</ce:keyword>
<ce:keyword>
<ce:text>AIDS, acquired immunodeficiency syndrome</ce:text>
</ce:keyword>
<ce:keyword>
<ce:text>TCA, trichloroacetic acid</ce:text>
</ce:keyword>
<ce:keyword>
<ce:text>Na-PPi, Na-pyrophosphate</ce:text>
</ce:keyword>
</ce:keywords>
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<title>(s4dU)35: a novel, highly potent oligonucleotide inhibitor of the human immunodeficiency virus type 1 reverse transcriptase</title>
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<name type="personal">
<namePart type="given">Szilvia</namePart>
<namePart type="family">Tökés</namePart>
<affiliation>Department of Biochemistry, University Medical School of Debrecen, P.O. Box 6, H-4012 Debrecen, Hungary</affiliation>
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<name type="personal">
<namePart type="given">Janos</namePart>
<namePart type="family">Aradi</namePart>
<affiliation>Department of Biochemistry, University Medical School of Debrecen, P.O. Box 6, H-4012 Debrecen, Hungary</affiliation>
<description>Corresponding author. Fax: (36) (52) 416-432.</description>
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<abstract lang="en">Abstract: Oligodeoxycytidylates were converted to s4dUMP-containing oligomers by treatment with liquid H2S. The inhibitory potency of the modified oligonucleotides on human immunodeficiency virus type 1 reverse transcriptase depended on the chain length and on the percentage of modification. The most potent reverse transcriptase inhibitor was (s4dU)35. The inhibitory pattern was competitive, when either poly(A)·(dT)16 or poly(C)·(dG)16 was used as template-primer (variable substrate), suggesting that the free enzyme interacts with (s4dU)35. The Ki values were 3.0 and 2.2 nM in the presence of poly(A)·(dT)16 and poly(C)·(dG)16, respectively.</abstract>
<note type="content">Section title: Research letter</note>
<subject>
<genre>Keywords</genre>
<topic>Inhibition</topic>
<topic>Reverse transcriptase</topic>
<topic>Human immunodeficiency virus</topic>
<topic>Oligo 4-thio-2′-deoxyuridylate</topic>
<topic>Antitemplate</topic>
</subject>
<subject>
<genre>Abbreviations</genre>
<topic>RT, reverse transcriptase</topic>
<topic>HIV, human immunodeficiency virus</topic>
<topic>AIDS, acquired immunodeficiency syndrome</topic>
<topic>TCA, trichloroacetic acid</topic>
<topic>Na-PPi, Na-pyrophosphate</topic>
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<identifier type="ISSN">0014-5793</identifier>
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<date>1996</date>
<detail type="volume">
<number>396</number>
<caption>vol.</caption>
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