Recent advances in bacteria-mediated cancer therapy

Area of Science:

• Oncology
• Biotechnology
• Microbiology

Background:

• Conventional cancer therapies face challenges due to the tumor microenvironment's properties (hypoxia, acidity, pressure).
• Bacteria possess unique characteristics like tumor-targeting, motility, and immunogenicity, making them promising for cancer treatment.
• Synthetic biology and nanomaterials offer advanced strategies to engineer bacteria for enhanced therapeutic functions.

Purpose of the Study:

• To review the foundation and recent advances in bacterial biotherapy for cancer.
• To explore the application of various bacteria in targeted tumor therapies.
• To discuss future prospects of bacteria-mediated cancer treatment.

Main Methods:

• Review of current literature on bacterial biotherapy.
• Summary of advances in engineered bacteria for cancer treatment.
• Analysis of nanomaterial applications in modifying bacteria for synergistic therapies.

Main Results:

• Bacteria demonstrate specific tumor-targeting capabilities and can act as drug or gene carriers.
• Engineered bacteria allow controllable expression of therapeutic proteins.
• Nanomaterial-modified bacteria enhance targeted drug delivery and multimodal therapies (photothermal, magnetothermal, photodynamic).

Conclusions:

• Bacterial biotherapy presents a promising alternative to conventional cancer treatments.
• The combination of synthetic biology and nanomaterials significantly boosts the efficacy of bacteria-mediated cancer therapies.
• Future research holds potential for further advancements in bacteria-based cancer treatment strategies.