Lipopolysaccharide-induced lung injury involves the nitration-mediated activation of RhoA

Ruslan Rafikov, Christiana Dimitropoulou, Saurabh Aggarwal, Archana Kangath, Christine Gross, Daniel Pardo, Shruti Sharma, Agnieszka Jezierska-Drutel, Vijay Patel, Connie Snead, Rudolf Lucas, Alexander Verin, David Fulton, John D. Catravas, Stephen M. Black

Research output: Contribution to journalArticlepeer-review

53 Scopus citations


Background: The activation of RhoA is a critical event in acute lung injury (ALI), but the role of nitration in this process is unresolved. Results: The nitration of RhoA at Tyr34 produced GEF-like conformational changes that stimulate RhoA by decreasing GDP binding. Conclusion: We have identified a new mechanism of RhoA activation. Significance: Preventing RhoA nitration may be useful for the management of ALI.

Original languageEnglish (US)
Pages (from-to)4710-4722
Number of pages13
JournalJournal of Biological Chemistry
Issue number8
StatePublished - Feb 21 2014
Externally publishedYes

ASJC Scopus subject areas

  • Biochemistry
  • Molecular Biology
  • Cell Biology


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