Momordica charantia L. improves airway hyperresponsiveness and suppresses inflammation in a murine model of allergic asthma.
Allergologia et immunopathologia(2022)
摘要
OBJECTIVE:To evaluate the effect of a hydroethanolic extract of Momordica charantia L. ("bitter melon", Cucurbitaceae) leaves (MCHA) on ovalbumin (OVA)-induced asthma model. Balb/c mice were sensitized twice and challenged for 4 alternate days with OVA and then treated with MCHA (500 mg/kg) for 7 consecutive days.
METHODS:Control groups received treatment with normal saline or dexamethasone (2 mg/kg) on the same day. We assessed in vivo bronchial hyperresponsiveness and ex-vivo inflammation and mucus production in bronchoalveolar lavage (BAL), lung homogenates, and lung tissue.
RESULTS:MCHA significantly improved airway hyperresponsiveness near baseline levels. MCHA administration significantly improved airway and lung inflammation, demonstrated by decreased total and inflammatory cells in BAL, lower levels of IL-5 and IL-13 in lung homogenate, and fewer inflammatory cells in lung tissue. Additionally, MCHA significantly diminished goblet cells in lung tissue.
CONCLUSIONS:Administration of a hydroethanolic extract of M. charantia leaves was effective in treating OVA-induced asthma in an animal model.
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