Release of DNA oligonucleotides and their conjugates from controlled-pore glass under thermolytic conditions.
Identifieur interne : 002054 ( PubMed/Corpus ); précédent : 002053; suivant : 002055Release of DNA oligonucleotides and their conjugates from controlled-pore glass under thermolytic conditions.
Auteurs : Andrzej Grajkowski ; Jacek Cie Lak ; Scott Norris ; Dar N I. Freedberg ; Jon S. Kauffman ; Robert J. Duff ; Serge L. BeaucageSource :
- Current protocols in nucleic acid chemistry [ 1934-9289 ] ; 2008.
English descriptors
- KwdEn :
- MESH :
- chemical , chemical synthesis : Oligodeoxyribonucleotides.
- chemical , chemistry : Oligodeoxyribonucleotides.
- chemical : Cross-Linking Reagents, Ligands.
- Glass, Hot Temperature, Methods, Surface Properties.
Abstract
The sequential functionalization of long-chain alkylamine controlled-pore glass (CPG) with a 3-hydroxypropyl-(2-cyanoethyl)thiophosphoryl linker and a dinucleoside phosphorotetrazolide leads to a uniquely engineered support for solid-phase synthesis. Unlike conventional succinylated-CPG supports, this support is designed to allow oligonucleotide deprotection and elimination of deprotection side-products to proceed without release of the oligonucleotide. When needed, the DNA oligonucleotide can be thermolytically released in 2 hr under essentially neutral conditions. The modified CPG support has been successfully employed in the synthesis of both native and fully phosphorothioated DNA 20-mers. On the basis of reversed-phase HPLC and electrophoretic analyses, the purity of the released oligonucleotides is comparable to that of identical oligonucleotides synthesized from succinylated-CPG supports, in terms of both shorter-than-full-length oligonucleotide contaminants and overall yields. The detailed preparation of DNA oligonucleotides conjugated with exemplary reporter or functional groups, either at the 3'-terminus or at both 3'- and 5'-termini, is also described.
DOI: 10.1002/0471142700.nc0317s35
PubMed: 19085983
Links to Exploration step
pubmed:19085983Le document en format XML
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<author><name sortKey="Grajkowski, Andrzej" sort="Grajkowski, Andrzej" uniqKey="Grajkowski A" first="Andrzej" last="Grajkowski">Andrzej Grajkowski</name>
<affiliation><nlm:affiliation>Division of Therapeutic Proteins, Center for Drug Evaluation and Research, Food and Drug Administration, Bethesda, Maryland, USA.</nlm:affiliation>
</affiliation>
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<author><name sortKey="Cie Lak, Jacek" sort="Cie Lak, Jacek" uniqKey="Cie Lak J" first="Jacek" last="Cie Lak">Jacek Cie Lak</name>
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<author><name sortKey="Norris, Scott" sort="Norris, Scott" uniqKey="Norris S" first="Scott" last="Norris">Scott Norris</name>
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<author><name sortKey="Freedberg, Dar N I" sort="Freedberg, Dar N I" uniqKey="Freedberg D" first="Dar N I" last="Freedberg">Dar N I. Freedberg</name>
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<author><name sortKey="Kauffman, Jon S" sort="Kauffman, Jon S" uniqKey="Kauffman J" first="Jon S" last="Kauffman">Jon S. Kauffman</name>
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<author><name sortKey="Duff, Robert J" sort="Duff, Robert J" uniqKey="Duff R" first="Robert J" last="Duff">Robert J. Duff</name>
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<author><name sortKey="Beaucage, Serge L" sort="Beaucage, Serge L" uniqKey="Beaucage S" first="Serge L" last="Beaucage">Serge L. Beaucage</name>
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<series><title level="j">Current protocols in nucleic acid chemistry</title>
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<term>Oligodeoxyribonucleotides (chemical synthesis)</term>
<term>Oligodeoxyribonucleotides (chemistry)</term>
<term>Surface Properties</term>
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<keywords scheme="MESH" type="chemical" qualifier="chemical synthesis" xml:lang="en"><term>Oligodeoxyribonucleotides</term>
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<keywords scheme="MESH" type="chemical" qualifier="chemistry" xml:lang="en"><term>Oligodeoxyribonucleotides</term>
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<term>Ligands</term>
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<front><div type="abstract" xml:lang="en">The sequential functionalization of long-chain alkylamine controlled-pore glass (CPG) with a 3-hydroxypropyl-(2-cyanoethyl)thiophosphoryl linker and a dinucleoside phosphorotetrazolide leads to a uniquely engineered support for solid-phase synthesis. Unlike conventional succinylated-CPG supports, this support is designed to allow oligonucleotide deprotection and elimination of deprotection side-products to proceed without release of the oligonucleotide. When needed, the DNA oligonucleotide can be thermolytically released in 2 hr under essentially neutral conditions. The modified CPG support has been successfully employed in the synthesis of both native and fully phosphorothioated DNA 20-mers. On the basis of reversed-phase HPLC and electrophoretic analyses, the purity of the released oligonucleotides is comparable to that of identical oligonucleotides synthesized from succinylated-CPG supports, in terms of both shorter-than-full-length oligonucleotide contaminants and overall yields. The detailed preparation of DNA oligonucleotides conjugated with exemplary reporter or functional groups, either at the 3'-terminus or at both 3'- and 5'-termini, is also described.</div>
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<Title>Current protocols in nucleic acid chemistry</Title>
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<ArticleTitle>Release of DNA oligonucleotides and their conjugates from controlled-pore glass under thermolytic conditions.</ArticleTitle>
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<Abstract><AbstractText>The sequential functionalization of long-chain alkylamine controlled-pore glass (CPG) with a 3-hydroxypropyl-(2-cyanoethyl)thiophosphoryl linker and a dinucleoside phosphorotetrazolide leads to a uniquely engineered support for solid-phase synthesis. Unlike conventional succinylated-CPG supports, this support is designed to allow oligonucleotide deprotection and elimination of deprotection side-products to proceed without release of the oligonucleotide. When needed, the DNA oligonucleotide can be thermolytically released in 2 hr under essentially neutral conditions. The modified CPG support has been successfully employed in the synthesis of both native and fully phosphorothioated DNA 20-mers. On the basis of reversed-phase HPLC and electrophoretic analyses, the purity of the released oligonucleotides is comparable to that of identical oligonucleotides synthesized from succinylated-CPG supports, in terms of both shorter-than-full-length oligonucleotide contaminants and overall yields. The detailed preparation of DNA oligonucleotides conjugated with exemplary reporter or functional groups, either at the 3'-terminus or at both 3'- and 5'-termini, is also described.</AbstractText>
<CopyrightInformation>Copyright 2008 by John Wiley & Sons, Inc.</CopyrightInformation>
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<QualifierName UI="Q000737" MajorTopicYN="N">chemistry</QualifierName>
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<MeshHeading><DescriptorName UI="D013499" MajorTopicYN="N">Surface Properties</DescriptorName>
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