Title : N-Acetylcysteine protects human bronchi by modulating the release of neurokinin A in an ex vivo model of COPD exacerbation.

Pub. Date : 2018 Jul

PMID : 29635121






6 Functional Relationships(s)
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1 KEY FINDINGS: NAC at high concentrations normalized the peroxidase activity, H2O2, malondialdehyde (MDA), nitric oxide, glutathione (GSH), total antioxidant capacity (TAC), and interleukin 6 (IL-6) (overall change 34.32% +- 4.22%, P < 0.05 vs. LPS-treated). Acetylcysteine interleukin 6 Homo sapiens
2 KEY FINDINGS: NAC at high concentrations normalized the peroxidase activity, H2O2, malondialdehyde (MDA), nitric oxide, glutathione (GSH), total antioxidant capacity (TAC), and interleukin 6 (IL-6) (overall change 34.32% +- 4.22%, P < 0.05 vs. LPS-treated). Acetylcysteine interleukin 6 Homo sapiens
3 NAC at low concentrations modulated peroxidase activity, H2O2, MDA, GSH, TAC, and IL-6 (overall change 34.88% +- 7.39%, P < 0.05 vs. LPS-treated). Acetylcysteine interleukin 6 Homo sapiens
4 NAC at very-low concentrations was effective on peroxidase activity, H2O2, GSH, and IL-6 (overall change 35.05 +- 7.71%, P < 0.05 vs. LPS-treated). Acetylcysteine interleukin 6 Homo sapiens
5 Binary logistic regression analysis indicated that the modulatory effect of NAC on NKA levels was associated with a reduction of pro-oxidant factors and IL-6, and selectively blocking the NK2 receptor abolished such an association. Acetylcysteine interleukin 6 Homo sapiens
6 SIGNIFICANCE: This study demonstrates that, along with its well-known antioxidant activity, the protective effect of NAC against the detrimental effect of LPS is due to the modulation of NKA and IL-6 levels. Acetylcysteine interleukin 6 Homo sapiens