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[HEALTH] · India · 4 sources

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CSIR-CCMB scientists identify DZIP3 protein as viral alarm switch

Researchers at the CSIR-Centre for Cellular and Molecular Biology (CSIR-CCMB) in Hyderabad, India, have discovered a mechanism in human cells used to detect and combat viral infections. The study, led by Dr. Santosh Chauhan and published in The EMBO Journal, identifies a protein called DZIP3 that functions as a dual-action sensor and activator for the immune system.

When DZIP3 detects viral RNA within a cell, it undergoes a shape change to activate itself. The protein then moves to the mitochondria, where it tags and activates major immune defense proteins. This process triggers the production of Type-I interferons, which work to block viral multiplication.

The research team demonstrated that this pathway offers broad protection against several viruses, including SARS-CoV-2, Chikungunya, and Japanese Encephalitis. Following this discovery, the group is working to develop small-molecule drug candidates designed to target and boost DZIP3 activity to enhance natural antiviral immunity.

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CSIR-Centre for Cellular and Molecular Biology · Hyderabad · Santosh Chauhan · The EMBO Journal

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