Microbial Azurin Immobilized on Nano-Chitosan as Anticancer and Antibacterial Agent Against Gastrointestinal Cancers

Nawal E Al-Hazmi1, Deyala M Naguib2,3

  • 1Department of Chemistry, Division of Biology (Microbiology), University College of Qunfudhah, Umm Al-Qura University, Qunfudhah, Saudi Arabia.

Abstract

Insights

Researchers developed nano-azurin by immobilizing azurin protein on nano-chitosan. This enhanced nano-azurin exhibits potent anticancer and antibacterial properties, offering a promising new agent against gastrointestinal cancers and resistant bacteria.

Area of Science:

  • Biotechnology
  • Nanomedicine
  • Antimicrobial Research

Background:

  • Antibiotic-resistant bacteria and gastrointestinal cancers pose significant public health challenges.
  • Azurin, a protein from Pseudomonas aeruginosa, shows potential as an anticancer agent.
  • Effective drug delivery systems are crucial for therapeutic efficacy.

Purpose of the Study:

  • To explore the potential of immobilizing azurin on nano-chitosan to enhance its anticancer and antibacterial activities.
  • To evaluate nano-azurin's efficacy against various gastrointestinal cancer cell lines.
  • To assess nano-azurin's effectiveness against key bacteria associated with gastrointestinal cancers.

Main Methods:

  • Purification of azurin protein from Pseudomonas aeruginosa.
  • Immobilization of azurin onto nano-chitosan.
  • In vitro testing of anticancer activity against gastric, pancreatic, colon, esophageal, and liver cancer cell lines.
  • In vitro testing of antibacterial activity against Helicobacter pylori, Bacteroides fragilis, Salmonella enterica, Fusobacterium nucleatum, and Porphyromonas gingivalis.

Main Results:

  • Both free azurin and nano-azurin demonstrated significant anticancer and antibacterial activities.
  • Immobilization of azurin on nano-chitosan notably amplified its anticancer and antibacterial efficacy.
  • Nano-azurin proved effective against all tested gastrointestinal cancer cell lines and bacterial species.

Conclusions:

  • Nano-azurin represents a promising therapeutic agent for combating gastrointestinal cancers.
  • Nano-azurin shows potential as an effective antibacterial agent against drug-resistant bacteria linked to gastrointestinal conditions.
  • Immobilization on nano-chitosan is a viable strategy to enhance the therapeutic potential of azurin.