Nstream of CSF-1 may be altered in Nox2KO cells. CSF-1 is well known to stimulate both ERK [19] and Akt phosphorylation [20] in BMMs. Indeed, levels of ERK phosphorylation have been linked to cell spreading [19]. We found no difference in Akt phosphorylation downstream of CSF-1, however, Nox2KO BMMs have an attenuated phospho-ERK response (Figure …
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