期刊
BIOORGANIC & MEDICINAL CHEMISTRY LETTERS
卷 18, 期 6, 页码 1835-1839出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.bmcl.2008.02.023
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资金
- NCI NIH HHS [R01CA104505, R01 CA104505] Funding Source: Medline
- NHLBI NIH HHS [N01HV28184] Funding Source: Medline
- NIAID NIH HHS [U01 AI054827, U01 AI054827-03, R01 AI027744-17, R01 AI027744-13, U01 AI054827-02, R01 AI027744-14, R01 AI027744-12, R01 AI027744, R01 AI027744-15, U01 AI054827-04, U01 AI054827-05, U01 AI054827-01, AI27744, R01 AI027744-16] Funding Source: Medline
- NIEHS NIH HHS [ES06676, P30 ES006676] Funding Source: Medline
A phosphorothioate single-stranded DNA aptamer (thioaptamer) targeting transforming growth factor-beta 1 (TGF-beta 1) was isolated by in-vitro combinatorial selection. The aptamer selection procedure was designed to modify the backbone of single-stranded DNA aptamers, where 5' of both A and C are phosphorothioates, since this provides enhanced nuclease resistance as well as higher affinity than that of a phosphate counterpart. The thioaptamer selected from a combinatorial library (5 x 10(14) sequences) binds to TGF-beta 1 protein with an affinity of 90nM. In this report, sequence, predicted secondary structure, and binding affinity of the selected thioaptamer (T18_1_3) are presented. (C) 2008 Elsevier Ltd. All rights reserved.
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