The inflammatory state of the mice exposed to Pa-LPS and/or SAHA was quantified by measuring BALF or serum cytokine levels (IL-6) and neutrophil (MPO, myeloperoxidase) activity by sandwich ELISAs (R&D and Hycult Biotechnology respectively), as recently described [10 (link), 16 (link)]. The flow cytometry analysis of BALF samples from each murine experimental group was performed as previously described [10 (link), 16 (link), 21 (link)] and was used to quantify the percentage changes in number of CD4 + FoxP3+ T cells in BALF-cells. The BD FACS Caliber instrument and BD Cell Quest Pro software was used for acquisition and analysis of the data.
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