Cited by 44Fatty Acid Research and HealthAsthma and respiratory diseasesAllergic Rhinitis and Sensitization

Omega-3 polyunsaturated fatty acids and bronchial inflammation in grass pollen allergy after allergen challenge

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Kitz, Richard, Rose, Markus A., Schubert, Ralf, Beermann, Christopher, Kaufmann, Annika, Böhles, Hans Josef, Schulze, Johannes, Zielen, Stefan·2010·Respiratory Medicine

Abstract

Unlabelled RATIO: Asthma is a major public health problem, with bronchial inflammation as the therapeutic target. The role of dietary fish oil derived polyunsaturated fatty acids (PUFAs) in allergic inflammation is controversial. Most asthmatics suffer from mild disease and non-pharmacologic interventions are attractive. This study investigates the anti-inflammatory potential of nutritional PUFAs in an experimentally induced bronchial inflammation.Methods We examined 38 grass pollen allergic asthmatics and 19 controls. History of dietary PUFA intake was compared with levels of PUFAs in erythrocyte membranes, and stratified according to low (25th quartile; Q25) and high (75th quartile; Q75) ratios of omega-3 (n-3) to omega-6 (n-6) PUFAs as a surrogate for anti-inflammatory (Q75) or proinflammatory (Q25) effects. Bronchial inflammation was simulated with one-step inhalation of grass pollen. Bronchial response (exhaled nitric monoxide, eNO as surrogate for inflammation, decrease of FEV(1)) was correlated with levels of PUFAs in erythrocyte membranes.Results Ratios of n-3/n-6 PUFA were significantly lower in asthmatics than in healthy controls. Levels of eNO were significantly higher in Q25 asthmatics than in Q75 asthmatics (p = 0.040). There was a trend of higher bronchial hyperreactivity in Q25 asthmatics (median PD(20) 0.27 vs. 0.14; n.s.), induced by specific bronchial challenge with grass pollen (FEV(1) decrease 16.7 vs. 23.1%; n.s.).Conclusion When stratifying for erythrocyte membrane PUFA content as a surrogate for alimentary intake, we found mild effects on bronchial allergic inflammation. Future intervention studies with pharmacological PUFA doses appear suitable to clarify dietary PUFA role as an adjunctive intervention to the established treatment of asthma. ClinicalTrials.gov No. NCT00519740.

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Crossref · 10.1016/j.rmed.2010.06.019

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  • The predominant endogenous cLA isomer is 9-cis, 11-trans-cLA, whereas plant-derived oils contain a racemic mixture of 9-cis, 11-trans and 10-trans, 12-cis-cLA.

    “The predominant endogenous cLA isomer is 9-cis, 11-trans-cLA, whereas plant-derived oils contain a racemic mixture of 9-cis, 11-trans and 10-trans, 12-cis-cLA [28].”

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Research works printed but not linked: 2

  1. American Thoracic Society. Guidelines for metacholine and exercise challenge testing-1999. Am J Respir Crit Care Med 2000;161:309e29.
  2. American Thoracic Society. Recommendations for standardized procedures for the on-line and off-line measurement of exhaled lower respiratory nitric oxide and nasal nitric oxide in adults and children. Official statement, adopted by the ATS Board of directors. Am J Respir Crit Care Med July 1999;160:2104e17.

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Authors
Kitz, R., Rose, M. A., Schubert, R., Beermann, C., Kaufmann, A., Böhles, H. J., Schulze, J., & Zielen, S.
Affiliations
Goethe University Frankfurt (DE)
Corresponding author
Rose, Markus A.
Venue
Respiratory Medicine
Publisher
Elsevier BV
Published
2010-12
Volume
104
Issue
12
Pages
1793-1798
ISSN
0954-6111 (ISSN-L)
OpenAlex
W2085137895
Cited by
44
References
39
Citations by year
2026: 1 · 2025: 4 · 2024: 4 · 2023: 1 · 2022: 5 · 2019: 1 · 2017: 3 · 2016: 5 · 2015: 8 · 2014: 2 · 2013: 2 · 2012: 4
FWCI
2.73
Type
journal article
Language
en
Open access
Locations
  • Respiratory Medicine (publishedVersion)
  • PubMed (publishedVersion)
Funders
NUMICO Research Germany
Topics
  • Health Sciences › Nursing › Nutrition and Dietetics › Fatty Acid Research and Health
  • Health Sciences › Medicine › Physiology › Asthma and respiratory diseases
  • Health Sciences › Medicine › Immunology and Allergy › Allergic Rhinitis and Sensitization
Keywords
omega-3 polyunsaturated fatty acids, omega-6 fatty acids, n-6/n-3 ratio, bronchial inflammation, allergic asthma, grass pollen allergy, allergen challenge, exhaled nitric oxide, airway hyperresponsiveness, erythrocyte membrane fatty acids, dietary fish oil, anti-inflammatory activity
MeSH terms
Adolescent, Adult, Bronchial Provocation Tests, Bronchitis, Female, Poaceae, Rhinitis, Allergic, Seasonal, Humans, Male, Middle Aged, Nitric Oxide, Surveys and Questionnaires, Spirometry, Fatty Acids, Omega-3, Dietary Supplements, Young Adult

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