Melatonin alleviates acute lung injury through inhibiting the NLRP3 inflammasome

Yong Zhang, Xiru Li, Jamison J. Grailer, Na Wang, Mingming Wang, Jianfei Yao, Rui Zhong, George F. Gao, Peter A. Ward, Dun Xian Tan, Xiangdong Li

Research output: Contribution to journalArticle

50 Citations (Scopus)

Abstract

Acute lung injury (ALI) and acute respiratory distress syndrome (ARDS) are clinically severe respiratory disorders, and there are currently no Food and Drug Administration-approved drug therapies. Melatonin is a well-known anti-inflammatory molecule, which has proven to be effective in ALI induced by many conditions. Emerging studies suggest that the NLRP3 inflammasome plays a critical role during ALI. How melatonin directly blocks activation of the NLRP3 inflammasome in ALI remains unclear. In this study, using an LPS-induced ALI mouse model, we found intratracheal (i.t.) administration of melatonin markedly reduced the pulmonary injury and decreased the infiltration of macrophages and neutrophils into lung. During ALI, the NLRP3 inflammasome is significantly activated with a large amount of IL-1β and the activated caspase-1 occurring in the lung. Melatonin inhibits the activation of the NLRP3 inflammasome by both suppressing the release of extracellular histones and directly blocking histone-induced NLRP3 inflammasome activation. Notably, i.t. route of melatonin administration opens a more efficient therapeutic approach for treating ALI.

Original languageEnglish (US)
JournalJournal of Pineal Research
DOIs
StateAccepted/In press - 2016

Fingerprint

Inflammasomes
Acute Lung Injury
Melatonin
Histones
Caspase 1
Lung
Neutrophil Infiltration
Adult Respiratory Distress Syndrome
Lung Injury
United States Food and Drug Administration
Interleukin-1
Anti-Inflammatory Agents
Macrophages
Drug Therapy

Keywords

  • Acute lung injury
  • Histone
  • Melatonin
  • NLRP inflammasome
  • Reactive oxygen species

ASJC Scopus subject areas

  • Endocrinology

Cite this

Zhang, Y., Li, X., Grailer, J. J., Wang, N., Wang, M., Yao, J., ... Li, X. (Accepted/In press). Melatonin alleviates acute lung injury through inhibiting the NLRP3 inflammasome. Journal of Pineal Research. https://doi.org/10.1111/jpi.12322

Melatonin alleviates acute lung injury through inhibiting the NLRP3 inflammasome. / Zhang, Yong; Li, Xiru; Grailer, Jamison J.; Wang, Na; Wang, Mingming; Yao, Jianfei; Zhong, Rui; Gao, George F.; Ward, Peter A.; Tan, Dun Xian; Li, Xiangdong.

In: Journal of Pineal Research, 2016.

Research output: Contribution to journalArticle

Zhang, Y, Li, X, Grailer, JJ, Wang, N, Wang, M, Yao, J, Zhong, R, Gao, GF, Ward, PA, Tan, DX & Li, X 2016, 'Melatonin alleviates acute lung injury through inhibiting the NLRP3 inflammasome', Journal of Pineal Research. https://doi.org/10.1111/jpi.12322
Zhang, Yong ; Li, Xiru ; Grailer, Jamison J. ; Wang, Na ; Wang, Mingming ; Yao, Jianfei ; Zhong, Rui ; Gao, George F. ; Ward, Peter A. ; Tan, Dun Xian ; Li, Xiangdong. / Melatonin alleviates acute lung injury through inhibiting the NLRP3 inflammasome. In: Journal of Pineal Research. 2016.
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