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After seeing news articles say there was NO EVIDENCE that essential oils work for Ebola and hearing that the FDA has not approved any oils for any sort of disease, I decided to see what was out there and expose the essential oil industry. Instead, I found a mountain of peer reviewed studies for all kinds of serious diseases saying how well they work, even on Ebola! So, I decided to set up this blog to post a few studies a week to expose the real frauds and show the world what NO EVIDENCE looks like.
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Asthma, allergy inflammation and Lavender


Lavender essential oil inhalation suppresses allergic airway inflammation and mucous cell hyperplasia in a murine model of asthma.

Ueno-Iio T1, Shibakura M2, Yokota K1, Aoe M1, Hyoda T1, Shinohata R1, Kanehiro A3, Tanimoto M3, Kataoka M1.

Abstract

AIMS: 

Lavender essential oil (Lvn) has been reported to have anti-inflammatory effects. Bronchial asthma is characterized by bronchial allergic inflammation with airway remodeling. Therefore, we evaluated the anti-inflammatory effect of Lvn on experimentally induced bronchial asthma in a murine model.

MAIN METHODS: 

BALB/c mice were sensitized by an intraperitoneal injection of ovalbumin (OVA) at days 0 and 14, and subsequently challenged with nebulized OVA on days 28-30 (Control-Asthma group). Mice in the treatment group inhaled Lvn on days 14-31 (Lvn-Asthma group). The allergic inflammatory response was determined on days 32 and 33.

KEY FINDINGS: 

An increase in airway resistance was inhibited in the Lvn-Asthma group than in the Control-Asthma group. The Lvn-Asthma group showed lower total cell numbers and eosinophils in bronchoalveolar lavage (BAL) fluids and peribronchial and perivascular tissues when compared with the Control-Asthma group. The Lvn-Asthma group also had less mucin hyperplasia than the Control-Asthma group. Furthermore, the Lvn-Asthmagroup showed lower interleukin (IL)-5 and IL-13 cytokine levels in BAL fluids, as well as reduced IL-4 and IL-5 mRNA expression in lung tissue, compared with the Control-Asthma group and determined by FlowCytomix and reverse transcriptase-polymerase chain reaction (RT-PCR), respectively. In addition, Lvn inhalation reduced Muc5b mRNA expression in the lungs without significantly changing the expression of Muc5ac mRNA.

SIGNIFICANCE: 

Lvn inhibits allergic inflammation and mucous cell hyperplasia with suppression of T-helper-2 cell cytokines and Muc5b expression in a murine model of asthma. Consequently, Lvn may be useful as an alternative medicine for bronchial asthma.
Copyright © 2014 Elsevier Inc. All rights reserved.

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KEYWORDS: 

Alternative medicine; Asthma; Cytokines; Lavender; Mucin

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