Abstract
Leukemia stem cells (LSCs) are responsible for leukemia initiation and targeting LSCs is one strategy to treat this disease. This study aims to target LSCs using multi-siRNA loaded antibodies modified with mesoporous silica nanoparticles (MSNs). Here, both siRNAGLI1 and siRNASMO were loaded in an anti-CD34 antibody modified with MSNs, and then, the MSN@siRNAGLI1@Antibody + MSNs@siRNASMO@Antibody cocktail was used to target LSCs. Expression levels of BCL-2 in LSCs were significantly reduced whereas Bax expression was significantly increased after treatment with nano-drug carriers. In addition, these nano-drug carriers also effectively induced the apoptosis of LSCs. The MSNs@siRNAGLI1@Antibody + MSNs@siRNASMO@Antibody cocktail significantly inhibited LSCs. In short, we constructed two target MSN nano-drug carriers where loaded siRNAs can be used in a chemotherapeutic drug cocktail to improve the treatment of leukemia.
Published Version
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