Figure 4.

Human alveolar macrophages from healthy donors produce activin A in response to IFNγ. Activin A protein is increased in conditioned media from human alveolar macrophages cultured with IFNγ (1000 U/ml) for 24 hours in vitro.

Dalrymple et al. BMC Immunology 2013 14:41   doi:10.1186/1471-2172-14-41
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