Majidi Zolbanin, N and Yousefi, M and Atyabi, F and Mohajjel Nayebi, A and Asadi, M and Soltani Zangbar, M.S and Jadidi Niaragh, F and Majidi, J and Jafari, R (2019) Apoptotic Effects of Mucin1 Aptamer-Conjugated Nanoparticles Containing Docetaxel and c-Met siRNA on SKBR3 Human Metastatic Breast Cancer Cells. Jundishapur J Nat Pharm Prod, 14 (4). pp. 1-9.
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Abstract
Apoptosis is a crucial process in the failure of cancer progression. However, the occurrence of resistance to chemotherapy in cancer cells may prevent apoptosis via induction of the expression of the anti-apoptotic genes (Bcl-2) and/or re- duction of the expression of the apoptotic caspases. Objectives: The current study aimed at investigating the apoptotic effects of targeted co-delivery of docetaxel and cMet siRNA (siMet) through mucin1 aptamer-conjugated chitosan nanoparticles on mucin1 + metastatic breast cancer cells (SKBR3). Methods: Characterization of nano-drugs,Western blotting assay, annexin V/ propidium iodide staining assay, and gene expression studies were evaluated based on metastatic breast cancer cells. Results: Characterization showed the appropriate size (110.5 ± 3.9 nm), zeta potential (11.6 ± 0.8 mV), and spherical shape of nanoparticles. Loading efficiency of 90.7% and 88.3% were gained for siRNA and docetaxel, respectively. The siRNA entrapment onto nanoparticles and conjugation of aptamers to nanoparticles were confirmed by gel electrophoresis. Gene knockdown assay represented the effectiveness of siMet on cMet gene silencing. According to the flow cytometry results, targeted co-delivery was suc- cessful in leading tumor cells to apoptosis (94.9%). Also, targeted co-delivery could reduce the expression of Bcl-2 gene (P < 0.0001) and increase the expression of caspase-8 and caspase-9 genes (P < 0.0001). Conclusions: Combination treatment of metastatic breast cancer cells with aptamer-conjugated nanoparticles containing doc- etaxel and cMet siRNA significantly increased apoptosis
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | Apoptosis, Docetaxel, Metastatic Breast Cancer, Mucin1 Aptamer, siRNA |
| Subjects: | R Medicine > R Medicine (General) |
| Depositing User: | Unnamed user with email gholipour.s@umsu.ac.ir |
| Date Deposited: | 07 Jan 2020 07:17 |
| Last Modified: | 07 Jan 2020 07:17 |
| URI: | http://eprints.umsu.ac.ir/id/eprint/5725 |
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