Drug Delivery with Nanotechnology

Aug. 23, 2024

A new technique utilising polymeric nanoparticles has been created to effectively deliver antifungal medications, specifically targeting fungal infections such as pulmonary aspergillosis.

About Nanoparticle-based Drug Delivery System:

  • Nikkomycin-loaded Nanoparticles:
    • Scientists have utilised Nikkomycin, a chitin synthesis inhibitor produced by Streptomyces bacteria, and loaded it onto polymeric nanoparticles to target fungal infections.
    • Chitin, the main component of fungal cell walls, is absent in the human body, making it an ideal target for antifungal drugs. The nanoparticle-based delivery system leverages this difference to disrupt fungal growth.
  • Effectiveness against Aspergillosis:
    • The formulation has shown significant effectiveness against Aspergillus flavus and Aspergillus fumigatus, the fungi responsible for pulmonary aspergillosis.
    • The nanoparticle-based drug delivery system inhibits fungal growth without causing cytotoxic (cell-damaging) or hemolytic (red blood cell-damaging) effects, making it a safer treatment option.
  • Potential applications: The method is particularly beneficial for patients with conditions like asthma, cystic fibrosis, HIV, cancer, or those on long-term corticosteroid therapy, who are at higher risk of fungal infections.
  • About Nanotechnology:
    • Nanotechnology involves the manipulation of atoms and molecules at the nanoscale, typically within the range of 1 to 100 nanometers, to create structures, devices, and systems with unique properties.
    • Nanoparticles are ultra-small particles with a high surface area-to-volume ratio, which gives them unique physical and chemical characteristics.