期刊
THERAPEUTIC DELIVERY
卷 12, 期 4, 页码 311-323出版社
FUTURE SCI LTD
DOI: 10.4155/tde-2020-0135
关键词
BiP; carbon nanodots; CNDs; GFP-expressing A549; siRNA delivery
资金
- University of Tehran
- Research Center of CICbiomaGUNE
The study showed that using CNDs as delivery systems can effectively shut down cellular fluorescence and reduce the expression levels of the key protein BiP in chemoresistant cancer cells.
Aim: Several types of nanocarriers, most of which show significant cytotoxicity, have been developed to overcome the problem of gene-delivery barriers. Biocompatibility, low toxicity and water solubility of carbon nanodots (CNDs) are major advantages that recommend them as delivery systems. Materials & methods: We present a simple method to produce positively charged CNDs. Ethanolamine, ethylenediamine and hydrogen peroxide were utilized to synthesize these CNDs. Results & conclusion: Our results indicated that delivery of the CND-siGFP complex led to significant switching-off of the fluorescence of the GFP-expressing A549 cell. Next, the A549 cells were transfected with siRNA against BiP, which is a pivotal protein in the chemotherapy resistance of cancer cells. The expression levels of BiP decreased remarkably.
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