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A Synthetic Aptamer-Drug Adduct for Targeted Liver Cancer Therapy.


ABSTRACT: AS1411 (previously known as AGRO100) is a 26 nucleotide guanine-rich DNA aptamer which forms a guanine quadruplex structure. AS1411 has shown promising utility as a treatment for cancers in Phase I and Phase II clinical trials without causing major side-effects. AS1411 inhibits tumor cell growth by binding to nucleolin which is aberrantly expressed on the cell membrane of many tumors. In this study, we utilized a simple technique to conjugate a widely-used chemotherapeutic agent, doxorubicin (Dox), to AS1411 to form a synthetic Drug-DNA Adduct (DDA), termed as AS1411-Dox. We demonstrate the utility of AS1411-Dox in the treatment of hepatocellular carcinoma (HCC) by evaluating the targeted delivery of Dox to Huh7 cells in vitro and in a murine xenograft model of HCC.

SUBMITTER: Trinh TL 

PROVIDER: S-EPMC4629891 | biostudies-literature | 2015

REPOSITORIES: biostudies-literature

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A Synthetic Aptamer-Drug Adduct for Targeted Liver Cancer Therapy.

Trinh Thu Le TL   Zhu Guizhi G   Xiao Xilin X   Puszyk William W   Sefah Kwame K   Wu Qunfeng Q   Tan Weihong W   Liu Chen C  

PloS one 20151102 11


AS1411 (previously known as AGRO100) is a 26 nucleotide guanine-rich DNA aptamer which forms a guanine quadruplex structure. AS1411 has shown promising utility as a treatment for cancers in Phase I and Phase II clinical trials without causing major side-effects. AS1411 inhibits tumor cell growth by binding to nucleolin which is aberrantly expressed on the cell membrane of many tumors. In this study, we utilized a simple technique to conjugate a widely-used chemotherapeutic agent, doxorubicin (Do  ...[more]

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