UnivTrevesV1, Main, Exploration, bibRecord, 000849

Omega-3 fatty acids administered in phosphatidylserine improved certain aspects of high chronic stress in men

Identifieur interne : 000849 ( Main/Exploration ); précédent : 000848; suivant : 000850

Omega-3 fatty acids administered in phosphatidylserine improved certain aspects of high chronic stress in men

Auteurs : Juliane Hellhammer [Allemagne] ; Torsten Hero [Allemagne] ; Nadin Franz [Allemagne] ; Carina Contreras [Allemagne] ; Melanie Schubert [Allemagne]

Source :

Nutrition research : (New York, NY) [ 0271-5317 ] ; 2012.

RBID : Pascal:12-0255169

Descripteurs français

Pascal (Inist)
- Acide gras n-3, Phosphatidylsérine, Chronique, Stress, Hydrocortisone, Mammalia, Homme.
Wicri :
- topic : Homme.

English descriptors

KwdEn :
- Chronic, Human, Hydrocortisone, Mammalia, Phosphatidylserine, Stress, n-3 fatty acid.

Abstract

Nutrients such as omega-3 oils and phosphatidylserine have been considered to exert stress-buffering effects. In this randomized, double-blind, placebo-controlled trial, we investigated effects of omega-3 phosphatidylserine (PS) on perceived chronic stress, assessed by the Trier Inventory for Chronic Stress (Schulz P, Schlotz W, Becker P. TICS: Trierer Inventar zum chronischen Stress. Göttingen, Germany: Hogrefe, 2004.), and on psychobiological stress responses to an acute laboratory stress protocol, the Trier Social Stress Test (Neuropsychobiology.1993;28:76-81), at baseline and after the treatment period. We hypothesized that omega-3 PS supplementation lowers chronic and acute stress. Sixty healthy nonsmoking men aged 30 to 60 years either received omega-3 PS or a matching placebo for 12 weeks. Results revealed no significant main effect of omega-3 PS supplementation on stress measures. However, by accounting for chronic stress level of study participants, stress-reducing effects of omega-3 PS were found exclusively for high chronically stressed subjects. As expected, these individuals also showed a blunted cortisol response to the Trier Social Stress Test. Treatment with omega-3 PS seemed to restore the cortisol response in this particular subgroup of low responders. These results are in line with previous findings. We conclude that subgroups characterized by high chronic stress and/or a dysfunctional response of the hypothalamus-pituitary-adrenal axis may profit from omega-3 PS supplementation.

Affiliations:

Allemagne

Links toward previous steps (curation, corpus...)

to stream PascalFrancis, to step Corpus: 000295
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to stream Main, to step Curation: 000849

Le document en format XML

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<front><div type="abstract" xml:lang="en">Nutrients such as omega-3 oils and phosphatidylserine have been considered to exert stress-buffering effects. In this randomized, double-blind, placebo-controlled trial, we investigated effects of omega-3 phosphatidylserine (PS) on perceived chronic stress, assessed by the Trier Inventory for Chronic Stress (Schulz P, Schlotz W, Becker P. TICS: Trierer Inventar zum chronischen Stress. Göttingen, Germany: Hogrefe, 2004.), and on psychobiological stress responses to an acute laboratory stress protocol, the Trier Social Stress Test (Neuropsychobiology.1993;28:76-81), at baseline and after the treatment period. We hypothesized that omega-3 PS supplementation lowers chronic and acute stress. Sixty healthy nonsmoking men aged 30 to 60 years either received omega-3 PS or a matching placebo for 12 weeks. Results revealed no significant main effect of omega-3 PS supplementation on stress measures. However, by accounting for chronic stress level of study participants, stress-reducing effects of omega-3 PS were found exclusively for high chronically stressed subjects. As expected, these individuals also showed a blunted cortisol response to the Trier Social Stress Test. Treatment with omega-3 PS seemed to restore the cortisol response in this particular subgroup of low responders. These results are in line with previous findings. We conclude that subgroups characterized by high chronic stress and/or a dysfunctional response of the hypothalamus-pituitary-adrenal axis may profit from omega-3 PS supplementation.</div>
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Omega-3 fatty acids administered in phosphatidylserine improved certain aspects of high chronic stress in men

Omega-3 fatty acids administered in phosphatidylserine improved certain aspects of high chronic stress in men

Source :

Descripteurs français

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri