#1SCIENCE & SPACE
Top ↑RK-251 Smart Cancer Drug
ЁЯФ╣ Why in News & Recent Development
The Ministry of Science and Technology recently announced the development of RK-251, a pioneering smart cancer drug engineered to serve as a targeted, non-toxic alternative to traditional chemotherapy, reducing systemic side effects.
ЁЯФ╣ Mechanism of Action and Targeted Delivery
Unlike conventional chemotherapy, which damages both healthy and malignant cells, RK-251 remains inactive in normal tissues. It is triggered selectively inside cancer cells characterized by elevated levels of reactive oxygen species (ROS). This ROS-rich microenvironment activates the drug, releasing the potent anti-cancer compound NBDHEX, which blocks critical survival proteins inside the tumor cells.
ЁЯФ╣ Diagnostic Potential and Therapeutic Efficacy
The drug is designed with built-in fluorescence response capabilities. When activated in an ROS-dense environment, it emits a distinct fluorescent signal, enabling clinicians to visually verify drug delivery and localization. Pre-clinical evaluations demonstrate high efficacy against aggressive triple-negative breast cancer cells with negligible impact on healthy cell lines.
ЁЯФ╣ UP PCS / STATE PCS HIGH-YIELD VALUE ADDITION
тАв- **Nodal Ministry**: Ministry of Science and Technology, Government of India.
тАв- **Developing Institutions**: Co-developed by the **Institute of Advanced Study in Science and Technology (IASST)** and the **Indian Institute of Technology (IIT) Guwahati**.
тАв- **Target Disease**: Triple-negative breast cancer (one of the most aggressive and hard-to-treat cancer types).
тАв- **Key Compound**: **NBDHEX** (an inhibitor of glutathione S-transferase designed to combat drug resistance in cancer cells).
тАв- **PYQ Trend**: State PCS exams frequently test new drug discoveries, nanotechnology in medicine, and major institutional achievements of IITs.