Dietary Arachidonic Acid, Obesity and Atopic Respiratory Disease
torstai 13. elokuuta 2015 päivittänyt: Anthony R. Tagliaferro, University of New Hampshire
Obesity and Atopic-related Respiratory Disease: Possible Role of Dietary Omega 6 and 3 Fatty Acids
Epidemiological studies have shown obesity to be a risk factor of asthma.
Research evidence of obesity and atopic(ie.
allergic)-related respiratory diseases, has been less clear.
The purpose of the present study was to test the hypothesis that the relationship between obesity and atopic-related respiratory disease in premenopausal women is mediated by a dietary imbalance of omega 6 and 3 polyunsaturated fatty acids.
Tutkimuksen yleiskatsaus
Yksityiskohtainen kuvaus
Sixty young adult obese and non obese women, with, and without asthma, were studied using a cross-sectional design.
Body composition was measured by plethysmography.
A fasted blood sample was taken to measure: specific and total immunoglobulin (IgE) antibodies,biochemical markers of atopy; glucose and insulin to measure insulin sensitivity; estrogen(17β-estradiol) and sex hormone-binding globulin to measure estrogen status of the women; hormone-products of fat tissue ( leptin, adiponectin, resistin, tumor necrosis factor alpha (TNFα), interleukins (IL-6,IL-18), that have been associated with both obesity and immune processes involved in asthma and allergy.
Dietary intake of omega 6: linoleic acid (LA), arachidonic acid(AA); and omega 3 fatty acids: α linolenic (ALA), eicosapentanoic (EPA) and docosahexanoic (DHA) and other nutrients were assessed by food frequency questionnaire.
Opintotyyppi
Havainnollistava
Ilmoittautuminen (Todellinen)
60
Osallistumiskriteerit
Tutkijat etsivät ihmisiä, jotka sopivat tiettyyn kuvaukseen, jota kutsutaan kelpoisuuskriteereiksi. Joitakin esimerkkejä näistä kriteereistä ovat henkilön yleinen terveydentila tai aiemmat hoidot.
Kelpoisuusvaatimukset
Opintokelpoiset iät
18 vuotta - 40 vuotta (Aikuinen)
Hyväksyy terveitä vapaaehtoisia
Joo
Sukupuolet, jotka voivat opiskella
Nainen
Näytteenottomenetelmä
Ei-todennäköisyysnäyte
Tutkimusväestö
Female subjects were recruited from the University and surrounding local communities, using posted flyers, website announcements, personal announcements in classes, referrals from local physicians, and word of mouth.
Prospective subjects were interviewed initially by telephone.
Kuvaus
Inclusion Criteria:
- For asthmatics, only individuals that were willing and capable of not using asthma medications for two days prior to laboratory testing.
Exclusion Criteria:
- An individual was excluded from the study if she had a history of high blood pressure, diabetes, heart disease, cigarette smoking, or eating disorders.
- Women that were pregnant or lactating.
Opintosuunnitelma
Tässä osiossa on tietoja tutkimussuunnitelmasta, mukaan lukien kuinka tutkimus on suunniteltu ja mitä tutkimuksella mitataan.
Miten tutkimus on suunniteltu?
Suunnittelun yksityiskohdat
Mitä tutkimuksessa mitataan?
Ensisijaiset tulostoimenpiteet
Tulosmittaus |
Toimenpiteen kuvaus |
Aikaikkuna |
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Predictors of serum concentration of specific and total IgE antibodies in obesity
Aikaikkuna: one day
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Measures of insulin sensitivity, plasma concentrations of leptin, adiponectin, , estrogen, IL-18,and dietary arachidonic, eicosapentanoic, docosahexanoic fatty acids were entered as independent variables; and serum concentration of specific and total IgE antibodies as dependent variable, in a forward stepwise multivariate linear regression analysis to identify which factor(s) had the greatest influence on serum concentrations of IgE antibodies in obesity.
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one day
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Toissijaiset tulostoimenpiteet
Tulosmittaus |
Toimenpiteen kuvaus |
Aikaikkuna |
|---|---|---|
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Relationship between dietary levels of arachidonic, eicosapentanoic, docosahexanoic fatty acids and plasma concentration of leptin in obesity
Aikaikkuna: one day
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Dietary intake of the omega 6 and 3 fatty acids of were analyzed in relation to plasma concentration of leptin in obese and non obese women.
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one day
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Correlation between dietary arachidonic, eicosapentanoic,and docoshexanoic fatty acids and plasma concentration of adiponectin in obesity
Aikaikkuna: one day
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Dietary intake of the omega 6 and 3 fatty acids of were analyzed in relation to plasma concentration of adiponectin in obese and non obese women.
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one day
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Yhteistyökumppanit ja tutkijat
Täältä löydät tähän tutkimukseen osallistuvat ihmiset ja organisaatiot.
Sponsori
Julkaisuja ja hyödyllisiä linkkejä
Tutkimusta koskevien tietojen syöttämisestä vastaava henkilö toimittaa nämä julkaisut vapaaehtoisesti. Nämä voivat koskea mitä tahansa tutkimukseen liittyvää.
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Opintojen ennätyspäivät
Nämä päivämäärät seuraavat ClinicalTrials.gov-sivustolle lähetettyjen tutkimustietueiden ja yhteenvetojen edistymistä. National Library of Medicine (NLM) tarkistaa tutkimustiedot ja raportoidut tulokset varmistaakseen, että ne täyttävät tietyt laadunvalvontastandardit, ennen kuin ne julkaistaan julkisella verkkosivustolla.
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Maanantai 15. kesäkuuta 2015
Ensimmäinen toimitettu, joka täytti QC-kriteerit
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Ensimmäinen Lähetetty (Arvio)
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Tutkimustietojen päivitykset
Viimeisin päivitys julkaistu (Arvio)
Maanantai 17. elokuuta 2015
Viimeisin lähetetty päivitys, joka täytti QC-kriteerit
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Lisää tietoa
Tähän tutkimukseen liittyvät termit
Avainsanat
Muita asiaankuuluvia MeSH-ehtoja
Muut tutkimustunnusnumerot
- UNH-01-2536-01
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