Title : Enhancement of chemosensitivity in 5-fluorouracil-resistant colon cancer cells with carcinoembryonic antigen-specific RNA aptamer.

Pub. Date : 2019 Aug

PMID : 31028570






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1 Enhancement of chemosensitivity in 5-fluorouracil-resistant colon cancer cells with carcinoembryonic antigen-specific RNA aptamer. Fluorouracil CEA cell adhesion molecule 3 Homo sapiens
2 However, a major issue of 5-FU therapy is the occurrence of chemoresistance, and the fact that 5-FU induces CEA overexpression, which may induce the 5-FU resistance. Fluorouracil CEA cell adhesion molecule 3 Homo sapiens
3 However, a major issue of 5-FU therapy is the occurrence of chemoresistance, and the fact that 5-FU induces CEA overexpression, which may induce the 5-FU resistance. Fluorouracil CEA cell adhesion molecule 3 Homo sapiens
4 In the present study, we tested whether protecting CEA using the CEA aptamer could enhance 5-FU sensitivity in chemoresistant LS174T colon cancer cells. Fluorouracil CEA cell adhesion molecule 3 Homo sapiens
5 In the present study, we tested whether protecting CEA using the CEA aptamer could enhance 5-FU sensitivity in chemoresistant LS174T colon cancer cells. Fluorouracil CEA cell adhesion molecule 3 Homo sapiens
6 We observed that the CEA aptamer sensitized the 5-FU-resistant colon cancer cell line to 5-FU more than five-fold (IC50 ~ 5.995 muM), compared with cells treated with 5-FU alone (IC50 ~ 31.46 muM). Fluorouracil CEA cell adhesion molecule 3 Homo sapiens
7 We observed that the CEA aptamer sensitized the 5-FU-resistant colon cancer cell line to 5-FU more than five-fold (IC50 ~ 5.995 muM), compared with cells treated with 5-FU alone (IC50 ~ 31.46 muM). Fluorouracil CEA cell adhesion molecule 3 Homo sapiens
8 We observed that the CEA aptamer sensitized the 5-FU-resistant colon cancer cell line to 5-FU more than five-fold (IC50 ~ 5.995 muM), compared with cells treated with 5-FU alone (IC50 ~ 31.46 muM). Fluorouracil CEA cell adhesion molecule 3 Homo sapiens
9 In conclusion, CEA-specific aptamer improved 5-FU sensitivity in chemoresistant colon cancer cells in vitro and in vivo, and thus represents a novel 5-FU adjuvant to overcome the chemoresistance in CRC patients. Fluorouracil CEA cell adhesion molecule 3 Homo sapiens
10 In conclusion, CEA-specific aptamer improved 5-FU sensitivity in chemoresistant colon cancer cells in vitro and in vivo, and thus represents a novel 5-FU adjuvant to overcome the chemoresistance in CRC patients. Fluorouracil CEA cell adhesion molecule 3 Homo sapiens