Abstract
Purpose
Chemotherapy as an important tool for cancer treatment faces many obstacles such as multidrug resistance and adverse toxic effects on healthy tissues. Drug delivery systems have opened a new window to overcome these problems.
Methods
A polyelectrolyte carboxymethyl cellulose polymer as a magnetic nanocarrier was synthesized for enhancing delivery and uptake of doxorubicin in MCF7 breast cancer cells and decreasing the adverse toxic effects to healthy tissues.
Results
The physicochemical properties of developed nanocarrier showed that it can be used in drug delivery purposes. The efficiency of the delivery system was assessed by loading and release studies. Besides, biological assays including protein-particle interaction, hemolysis assay, cytotoxicity study, cellular uptake, and apoptosis analysis were performed. All results persuaded us to investigate the cytotoxic effects of nanocarrier in an animal model by determining the biochemical parameters attributed to organ injuries, and hematoxylin and eosin (H&E) staining for histopathological manifestations. We observed that the nanocarrier has no toxic effect on healthy tissues, while, it is capable of reducing the toxic side effects of doxorubicin by more cellular internalization.
Conclusion
Chemical characterizations and biological studies confirmed that developed nanocarrier with permanent cationic groups of imidazolium and anionic carboxylic acid groups is an effective candidate for anticancer drug delivery.
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Abbreviations
- ALT:
-
Alanine aminotransferase
- AST:
-
Aspartate aminotransferase
- CK:
-
Creatine kinase
- CMC:
-
Carboxymethyl cellulose
- Cr:
-
Creatinine
- DAPI:
-
4′,6-diamidino-2-phenylindole
- DDS:
-
Drug delivery systems
- DEE:
-
Drug encapsulation efficiency
- DLE:
-
Drug loading efficiency
- DLS:
-
Dynamic light scattering
- DOX:
-
Doxorubicin
- DSC:
-
Differential scanning calorimetry
- EDTA:
-
Ethylenediaminetetraacetic acid
- EDX:
-
Energy-dispersive X-ray spectroscopy
- EPR:
-
Enhanced permeability and retention
- FBS:
-
Fetal bovine serum
- FTIR:
-
Fourier transform infrared PLGA
- LDH:
-
Lactate dehydrogenase
- MDR:
-
Multidrug resistance
- MFI:
-
Mean fluorescent intensity
- MNPs:
-
Magnetic nanoparticles
- MTT:
-
3-(4, 5- dimethylthiazol-2-yl)-2, 5-diphe-nyltetrazolium bromide
- P-gp:
-
P-glycoprotein
- RPMI-1640:
-
Roswell Park Memorial Institute 1640 growth medium
- SEM:
-
Scanning electron microscopy
- TEM:
-
Transmission Electron Microscopy
- VSM:
-
Vibrating-sample magnetometer
- Ur:
-
Urea
- XRD:
-
X-ray diffraction
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Acknowledgments and Disclosures
We thank the Drug Applied Research Centre (DARC), Aging Research Institute, Physical Medicine and Rehabilitation Research Centre, Clinical Research Development Unit, Shohada Hospital, Tabriz University of Medical Sciences, Tabriz, Iran and Cellular and Molecular Research Centre, Cellular and Molecular Medicine Institute, Urmia University of Medical Sciences, Urmia, Iran. The authors report no conflicts of interest.
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Shafiei-Irannejad, V., Rahimi, M., Zarei, M. et al. Polyelectrolyte Carboxymethyl Cellulose for Enhanced Delivery of Doxorubicin in MCF7 Breast Cancer Cells: Toxicological Evaluations in Mice Model. Pharm Res 36, 68 (2019). https://doi.org/10.1007/s11095-019-2598-3
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DOI: https://doi.org/10.1007/s11095-019-2598-3