Unraveling the Mysteries of Chikungunya Virus: New Insights into Chronic Arthritic Condition

Strategic Insights -

A study published in ACS Omega has shed light on the mechanisms behind the pathogenesis of chronic arthritic condition associated with Chikungunya virus (CHIKV) infection. This acute viral fever, prevalent in tropical regions, can progress into a chronic condition lasting months or even years. Researchers at the International Centre for Genetic Engineering and Biotechnology, in collaboration with the Ministry of AYUSH, Government of India, have investigated the cell tropism of CHIKV infection and the changes in the global proteome of human chondrocytes in response to the virus.

Key Takeaways:

  • The study highlights the importance of understanding the mechanisms underlying the pathogenesis of chronic arthritic condition caused by CHIKV infection, which affects millions of people worldwide.
  • Researchers have identified that primary chondrocytes, isolated from human joint samples and grown as 3D spheroids, are able to sustain CHIKV for extended periods without compromising cellular integrity.
  • Global proteome analysis revealed distinct protein regulation patterns during CHIKV infection, with changes closely resembling those in the natural joint tissue microenvironment.
  • The study has established the usefulness of the 3D chondrocyte culture system in understanding CHIKV infection and has provided a comprehensive view of the global proteome changes in human chondrocytes in response to CHIKV infection.
  • Geetika Sharma, Abdul Hasan, Nilotpal Majumder, Sakshi Chaudhary, Divya Mehta, Raju Vaishya, Sourabh Ghosh, and Sujatha Sunil are among the researchers who have contributed to this study.
  • The study was supported by the Ministry of AYUSH, Government of India, and was published in ACS Omega.

Statistics:

  • The study analyzed the interaction between CHIKV and human chondrocytes in a controlled laboratory setting.
  • The 3D chondrocyte culture system was able to sustain CHIKV for up to 168 hours (7 days) without compromising cellular integrity.
  • Proteomic analysis revealed that CHIKV infection resulted in a significant change in the global proteome of human chondrocytes, with changes in 3D spheroids closely resembling those in the natural joint tissue microenvironment.

Sources:

  • ACS Omega, "Global Proteome Analysis of a Three-Dimensional Human Chondrocyte Cell Culture System Infected with Chikungunya Virus (CHIKV) Reveals Distinct Immune and Inflammatory Signatures," ACS Omega, 2025;10(37):42480-42493.
  • International Centre for Genetic Engineering and Biotechnology, "Chikungunya Virus and Human Chondrocytes: A New Perspective on Chronic Arthritic Condition," Life Science Weekly, October 14, 2025; p 292.