Modulation of Lung Function by Increased Nitric Oxide Production
Journal Title: Journal of Clinical and Diagnostic Research - Year 2017, Vol 11, Issue 6
Abstract
Introduction: Cigarette smoking reduces endogenous Nitric Oxide (NO) production by reducing Nitric Oxide Synthase (NOS) activity, which is one of the probable reason for increased rate of pulmonary diseases in smokers. Nitric oxide/oxygen blends are used in critical care to promote capillary and pulmonary dilation to treat several pulmonary vascular diseases. Among several supplements, the highest NOS activation has been proved for garlic with its unique mechanism of action. Aim: To investigate the effect of dietary supplementation of NO producing garlic on pulmonary function of smokers. Materials and Methods: The study was conducted on 40 healthy non-smoker (Group A) and 40 chronic smoker (Group B) males with matched age, height and weight. The pulmonary function tests- Forced Vital Capacity (FVC), Forced Expiratory Volume in one second (FEV1), FEV1/FVC ratio and Peak Expiratory Flow Rate (PEFR) were performed in non-smokers (Group A), smokers (Group B) and smokers after supplementation of approximately 4 gm of raw garlic (2 garlic cloves) per day for three months (Group C). Endogenous NO production was studied in smokers before and after garlic supplementation and in non-smokers without supplementation. The data obtained were compared between the groups using unpaired student’s t-test. The p-value considered significant at <0.05. Results: Our results showed that FVC, FEV1, FEV1/FVC ratio and PEFR were reduced significantly along with a significant decreased NOS activity among smokers (Group B) when compared with non-smokers (Group A). Garlic supplementation significantly improved the pulmonary function tests in Group C in comparison to Group B by increasing NOS activity. Conclusion: Dietary supplementation of garlic, which might be by increasing NOS activity, has significantly improved pulmonary functions in smokers.
Authors and Affiliations
Md. Nazrul Islam, Ram Lochan Yadav, Prakash Kumar Yadav
Keywords
Related Articles
- EP ID EP347536
- DOI 10.7860/JCDR/2017/24650.9981
- Views 54
- Downloads 0
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