Article Publish Status: FREE
Abstract Title:

Comparing the Protection Imparted by Different Fraction Extracts of Garlic (L.) against Der p-Induced Allergic Airway Inflammation in Mice.

Abstract Source:

Int J Mol Sci. 2019 Oct 1 ;20(19). Epub 2019 Oct 1. PMID: 31581442

Abstract Author(s):

Chia-Chen Hsieh, Keng-Fan Liu, Pei-Chun Liu, Yaw-Tsan Ho, Wei-Sung Li, Wen-Huang Peng, Jen-Chieh Tsai

Article Affiliation:

Chia-Chen Hsieh


Garlic (L.) has been used extensively as a food ingredient and medicinally, but the effect on asthmatic airway inflammation has not been studied in detail. We accordingly explored the protective effects exerted by various garlic fraction extracts against airway inflammation with(Der p)-induced allergic asthma in vivo and in vitro. Garlic extraction was realized using n-hexane, dichloromethane, ethylacetate, n-butanol, and water in sequence to obtain different fraction extracts. Mice were orally administered different fractions (80 mg/kg) daily for four weeks. The histological results showed that the water fraction could ameliorate lung-based goblet cell hyperplasia, inflammatory cell infiltration, and mucus hypersecretion. The water fraction extracts decreased IgE and IgG1, and they decreased inflammatory cells as quantified in bronchoalveolar lavage fluid (BALF); however, they increased IgG2a in serum. Moreover, the water fraction extracts increased IFN-γ and IL-12 (both constituting Th1 cytokines) in BALF, but they reduced IL-13, -4, and -5 (all constituting Th2 cytokines), and also inhibited the expression of IL-1β, IL-6, and TNF-α. The water fraction also inhibited the PI3K/Akt/NF-κB signal pathways in A549 cells. These findings suggest thatwater fraction extracts of garlic have a clear anti-inflammatory effect on Der p-induced allergic asthma.

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