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Sökning: WFRF:(Lankinen Maria A.) > FADS1 rs174550 geno...

FADS1 rs174550 genotype and high linoleic acid diet modify plasma PUFA phospholipids in a dietary intervention study

Meuronen, Topi (författare)
Itä-Suomen Yliopisto,University of Eastern Finland
Lankinen, Maria A. (författare)
Itä-Suomen Yliopisto,University of Eastern Finland
Kärkkäinen, Olli (författare)
Itä-Suomen Yliopisto,University of Eastern Finland
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Laakso, M. (författare)
Itä-Suomen Yliopisto,University of Eastern Finland
Pihlajamäki, Jussi (författare)
Itä-Suomen Yliopisto,University of Eastern Finland,Kuopio University Hospital
Hanhineva, Kati, 1972 (författare)
Itä-Suomen Yliopisto,University of Eastern Finland,Turun Yliopisto,University of Turku,Chalmers tekniska högskola,Chalmers University of Technology
Schwab, Ursula (författare)
Kuopio University Hospital,Itä-Suomen Yliopisto,University of Eastern Finland
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 (creator_code:org_t)
2021-10-31
2022
Engelska.
Ingår i: European Journal of Nutrition. - : Springer Science and Business Media LLC. - 1436-6207 .- 1436-6215. ; 61:2, s. 1109-1120
  • Tidskriftsartikel (refereegranskat)
Abstract Ämnesord
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  • Introduction: Fatty acid desaturase 1 (FADS1) gene encodes for delta-5 desaturase enzyme which is needed in conversion of linoleic acid (LA) to arachidonic acid (AA). Recent studies have shown that response to dietary PUFAs differs between the genotypes in circulating fatty acids. However, interactions between the FADS1 genotype and dietary LA on overall metabolism have not been studied. Objectives: We aimed to examine the interactions of FADS1 rs174550 genotypes (TT and CC) and high-LA diet to identify plasma metabolites that respond differentially to dietary LA according to the FADS1 genotype. Methods: A total of 59 men (TT n = 26, CC n = 33) consumed a sunflower oil supplemented diet for 4 weeks. Daily dose of 30, 40, or 50 ml was calculated based on body mass index. It resulted in 17–28 g of LA on top of the usual daily intake. Fasting plasma samples at the beginning and at the end of the intervention were analyzed with LC–MS/MS non-targeted metabolomics method. Results: At the baseline, the carriers of FADS1 rs174550-TT genotype had higher abundance of long-chain PUFA phospholipids compared to the FADS1 rs174550-CC one. In response to the high-LA diet, LA phospholipids and long-chain acylcarnitines increased and lysophospholipids decreased in fasting plasma similarly in both genotypes. LysoPE (20:4), LysoPC (20:4), and PC (16:0_20:4) decreased and cortisol increased in the carriers of rs174550-CC genotype; however, these genotype–diet interactions were not significant after correction for multiple testing. Conclusion: Our findings show that both FADS1 rs174550 genotype and high-LA diet modify plasma phospholipid composition. Trial registration: The study was registered to ClinicalTrials: NCT02543216, September 7, 2015 (retrospectively registered).

Ämnesord

MEDICIN OCH HÄLSOVETENSKAP  -- Klinisk medicin -- Endokrinologi och diabetes (hsv//swe)
MEDICAL AND HEALTH SCIENCES  -- Clinical Medicine -- Endocrinology and Diabetes (hsv//eng)
LANTBRUKSVETENSKAPER  -- Lantbruksvetenskap, skogsbruk och fiske -- Livsmedelsvetenskap (hsv//swe)
AGRICULTURAL SCIENCES  -- Agriculture, Forestry and Fisheries -- Food Science (hsv//eng)
MEDICIN OCH HÄLSOVETENSKAP  -- Hälsovetenskap -- Näringslära (hsv//swe)
MEDICAL AND HEALTH SCIENCES  -- Health Sciences -- Nutrition and Dietetics (hsv//eng)

Nyckelord

Personalized nutrition
Linoleic acid
Metabolomics
Human
Diet
FADS1

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