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Abstract Title:

Regulation effects of naringin on diesel particulate matter-induced abnormal airway surface liquid secretion.

Abstract Source:

Phytomedicine. 2019 Jun 30 ;63:153004. Epub 2019 Jun 30. PMID: 31301536

Abstract Author(s):

Rui Shi, Wei-Wei Su, Zhi-Ting Zhu, Min-Yi Guan, Ke-Ling Cheng, Wei-Yang Fan, Gu-Yi Wei, Pei-Bo Li, Zhong-Yi Yang, Hong-Liang Yao

Article Affiliation:

Rui Shi

Abstract:

BACKGROUND: PMis closely related to the incidence and mortality of respiratory diseases. Diesel particulate matter (DPM) is the main component of particulate air pollution and an important source of PM.

HYPOTHESIS/PURPOSE: This study mainly explored the effect of DPM on airway surface liquid (ASL) secretion and the regulation of naringin in this process, to evaluate therapeutic potentials of naringin for the treatment of abnormal secretion of the respiratory tract caused by PM.

METHODS: The concentration of lysozyme was measured by Lysozyme Assay Kit. Total protein content was determined by the BCA Protein Assay Kit. The concentration of cAMP and MUC5AC, expressions of CFTR, AQP1, and AQP5 proteins were measured by ELISA. Expressions of CFTR, AQP1 and AQP5 mRNA were determined by qPCR. Amount of CFTR on the cell membrane was determined by immunofluorescence.

RESULTS: The in vitro and in vivo studies had indicated that DPM could inhibit ASL secretion and increased the viscosity of the liquid. Naringin had the functions to attenuate DPM-induced injury, reduce liquid viscosity by reducing MUC5AC and total protein secretion, increase DPM-induced CFTR, AQP1, and AQP5 mRNA and protein expression, positively regulate apical CFTR insertion and promote CFTR activation by increasing intracellular cAMP.

CONCLUSION: These results demonstrated that naringin had regulating effects on the DPM-induced abnormal secretion of the respiratory tract.

Study Type : Animal Study, In Vitro Study

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