Nusaiba K Al-Nemrawi, Alaa Abu Dayah, Ruba Darweesh
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Poly(Lactic-co-Glycolic Acid Nanoparticles Loaded with Docetaxel and Coated with Chitosan, Carboxymethyl Chitosan, or Glycol Chitosan.
Introduction: Docetaxel (DTX) is a chemotherapeutic drug that has high toxicity and low bioavailability. To solve these problems, PLGA nanoparticles (NPs) were loaded with DTX and coated with mucoadhesive polymers; chitosan (CS), carboxymethyl chitosan (CMCS), or glycol chitosan(GCS). The NPs were characterized for size, charge, and polydispersity.
Method: The particles were explored using SEM, FTIR, DSC, and XRD. In vitro studies were performed to evaluate the mucoadhesive properties of the NPs and the drug release. The results validated the successful formation of spherical and monodispersed DTX NPs. The coated NPs exhibited highly positive charges, reaching +44.30±0.21 mV, whereas the uncoated NPs were almost neutral.
Result: The formulations demonstrated excellent encapsulation efficiency (>98%) and loading capacity (>45%). All polymers used in the coating process enhanced the mucoadhesive properties of PLGA NPs and sustained DTX release. Both the mucoadhesiveness and release were related to the used coating polymer and its concentration. The formulations were stable for up to three months in the refrigerator.
Conclusion: In conclusion, loading DTX in PLGA NPs and coating them with CS, CMCS, or GCS provides a promising strategy to increase the NPs' residence time on mucosal surfaces, which is expected to decrease the required dose of DTX and reduce its side effects.
期刊介绍：
Current Pharmaceutical Biotechnology aims to cover all the latest and outstanding developments in Pharmaceutical Biotechnology. Each issue of the journal includes timely in-depth reviews, original research articles and letters written by leaders in the field, covering a range of current topics in scientific areas of Pharmaceutical Biotechnology. Invited and unsolicited review articles are welcome. The journal encourages contributions describing research at the interface of drug discovery and pharmacological applications, involving in vitro investigations and pre-clinical or clinical studies. Scientific areas within the scope of the journal include pharmaceutical chemistry, biochemistry and genetics, molecular and cellular biology, and polymer and materials sciences as they relate to pharmaceutical science and biotechnology. In addition, the journal also considers comprehensive studies and research advances pertaining food chemistry with pharmaceutical implication. Areas of interest include:
DNA/protein engineering and processing
Synthetic biotechnology
Omics (genomics, proteomics, metabolomics and systems biology)
Therapeutic biotechnology (gene therapy, peptide inhibitors, enzymes)
Drug delivery and targeting
Nanobiotechnology
Molecular pharmaceutics and molecular pharmacology
Analytical biotechnology (biosensing, advanced technology for detection of bioanalytes)
Pharmacokinetics and pharmacodynamics
Applied Microbiology
Bioinformatics (computational biopharmaceutics and modeling)
Environmental biotechnology
Regenerative medicine (stem cells, tissue engineering and biomaterials)
Translational immunology (cell therapies, antibody engineering, xenotransplantation)
Industrial bioprocesses for drug production and development
Biosafety
Biotech ethics
Special Issues devoted to crucial topics, providing the latest comprehensive information on cutting-edge areas of research and technological advances, are welcome.
Current Pharmaceutical Biotechnology is an essential journal for academic, clinical, government and pharmaceutical scientists who wish to be kept informed and up-to-date with the latest and most important developments.
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