Neutrophil-derived Activin-A moderates their pro-NETotic activity and attenuates collateral tissue damage caused by Influenza A virus infection.

"Conflict of interest All authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest."

"The author(s) declare financial support was received for the research, authorship, and/or publication of this article. This study was supported by the Greek General Secretariat of Research and Innovation (grant number T1EDK-00617/MIS-5048548/CYTONET) and the European Advanced Translational Research Infrastructure in Medicine (grant number MIS-5028091). ES received a scholarship co-financed by Greece and the European Union (European Social Fund) through the Operational Programme “Human Resources Development, Education and Lifelong Learning” in the context of the project “Strengthening Human Resources Research Potential via Doctorate Research” (grant number MIS-5000432), implemented by the State Scholarships Foundation (IKΥ). Inhba fl/fl mice were created with funding from the Eunice Kennedy Shriver National Institute of Child Health and Human Development (grant number HD032067, MM)."