Targeting Reactive Oxygen Species Capacity of Tumor Cells with Repurposed Drug as an Anticancer Therapy

Area of Science:

• Oncology
• Biochemistry
• Pharmacology

Background:

• Elevated reactive oxygen species (ROS) levels are implicated in cancer initiation, growth, and therapeutic response.
• ROS exhibit a paradoxical role in cancer development, promoting proliferation at moderate levels and inducing cell death at high concentrations.
• Current cancer therapies like chemotherapy have limitations, including side effects and high drug development costs.

Purpose of the Study:

• To review the source and regulation of ROS in cancer.
• To explore the status of repurposed drugs targeting ROS for cancer therapy.
• To discuss challenges and future directions in ROS-mediated cancer treatment.

Main Methods:

• Literature review focusing on ROS regulation and its role in cancer.
• Analysis of existing studies on repurposed drugs for ROS-mediated cancer therapy.
• Discussion of therapeutic strategies involving ROS modulation.

Main Results:

• ROS levels critically influence cancer development and can be therapeutically modulated.
• Repurposed drugs offer a viable strategy to overcome challenges associated with novel anticancer drug development.
• Targeting ROS presents complementary therapeutic approaches for cancer treatment.

Conclusions:

• ROS are a significant target for cancer therapy, with dual roles necessitating careful regulation.
• Repurposed drugs hold promise for developing effective and efficient ROS-based cancer treatments.
• Further research into ROS-mediated mechanisms and drug repurposing is crucial for advancing cancer care.