Ferroptosis-modulating small molecules for targeting drug-resistant cancer: Challenges and opportunities in...

Area of Science:

• Biochemistry and Molecular Biology
• Cancer Research
• Pharmacology

Background:

• Ferroptosis is an iron-dependent form of regulated cell death driven by lipid peroxidation.
• Inducing ferroptosis is a promising strategy to combat aggressive, metastatic, and drug-resistant cancers.
• Targeting key molecular players in ferroptosis is crucial for developing effective cancer therapies.

Purpose of the Study:

• To summarize the molecular mechanisms and structural requirements of small molecules that induce ferroptosis.
• To focus on ferroptosis-inducing compounds targeting glutathione peroxidase 4 (GPX4), system Xc-, and NRF2.
• To discuss the potential of natural products as ferroptosis-inducing lead structures for drug development.

Main Methods:

• Review and synthesis of existing literature on ferroptosis-inducing small molecules.
• Analysis of molecular targets including GPX4, system Xc-, NRF2, and heme oxygenase-1.
• Evaluation of structural features and mechanisms of action for various ferroptosis inducers.

Main Results:

• Identified common structural features associated with efficient ferroptotic activity.
• Highlighted challenges in the drug development of ferroptosis-inducing agents.
• Provided an overview of natural products and bioinspired molecules that induce ferroptosis through diverse mechanisms.

Conclusions:

• Understanding ferroptosis molecular mechanisms and structural requirements is key for developing novel cancer therapies.
• Natural products offer promising lead structures for designing effective ferroptosis-inducing drugs.
• Further research into ferroptosis inducers can overcome limitations in current antitumor strategies.