Related Experiment Video
Updated: Jun 4, 2026
06:46
Collection of Alfalfa Root Exudates to Study the Impact of Di(2-ethylhexyl) Phthalate on Metabolite Production
Published on: June 2, 2023
Ginger suppresses phthalate ester-induced airway remodeling
Po-Lin Kuo1, Ya-Ling Hsu, Ming-Shyan Huang
1Institute of Clinical Medicine, College of Medicine, Kaohsiung Medical University, No. 100 Shih-Chuan first Road, Kaohsiung 807, Taiwan.
Journal of Agricultural and Food Chemistry
|March 5, 2011
Summary
Phthalate esters trigger airway remodeling by increasing bronchial smooth muscle cell proliferation. Ginger compounds reverse this effect, suggesting ginger can prevent phthalate-associated asthma.
Area of Science:
- Environmental Health
- Respiratory Medicine
- Pharmacology
Background:
- Phthalate esters are common environmental pollutants linked to respiratory issues.
- Airway remodeling, characterized by smooth muscle cell proliferation and migration, is a key feature of asthma.
- The role of inflammatory cytokines in phthalate-induced airway remodeling requires further elucidation.
Purpose of the Study:
- To investigate the impact of phthalate esters on human bronchial smooth muscle cells (BSMC).
- To identify the role of inflammatory cytokines in phthalate-mediated airway remodeling.
- To explore the potential of ginger and its compounds in reversing phthalate-induced airway remodeling.
Main Methods:
- Human bronchial epithelial cell lines (BEAS-2B, HBE) were exposed to various phthalate esters (BBP, BEHP, DBP, DEP).
- Conditioned media from treated epithelial cells were applied to BSMC cultures to assess proliferation and migration.
- Cytokine levels (IL-8, RANTES) were measured, and their role in phthalate effects was investigated.
- The effects of ginger's bioactive compounds ([6]-shogaol, [6]-gingerol, [8]-gingerol, [10]-gingerol) were evaluated.
Main Results:
- Phthalate-exposed epithelial cell conditioned media significantly increased BSMC migration and proliferation.
- Dibutyl phthalate (DBP) exposure induced inflammatory cytokines IL-8 and RANTES in epithelial cells, driving BSMC proliferation and migration.
- Depletion of IL-8 and RANTES fully reversed DBP-induced BSMC changes, confirming their synergistic role.
- Ginger's major bioactive compounds effectively suppressed phthalate ester-mediated airway remodeling.
Conclusions:
- Phthalate esters induce airway remodeling via inflammatory cytokines produced by bronchial epithelium.
- Ginger and its bioactive compounds demonstrate a protective effect against phthalate-induced airway remodeling.
- Ginger holds potential as a preventative agent for phthalate ester-associated asthma.
