An isocaloric nordic diet modulates rela and tnfrsf1a gene expression in peripheral blood mononuclear cells in individuals with metabolic syndrome—a sysdiet sub-study
Ulven, Stine M.; Holven, Kirsten B.; Rundblad, Amanda; Myhrstad, Mari C. W.; Leder, Lena; Dahlman, Ingrid; de Mello, Vanessa D.; Schwab, Ursula; Carlberg, Carsten; Pihlajamäki, Jussi; Hermansen, Kjeld; Dragsted, Lars O.; Gunnarsdottir, Ingibjörg; Cloetens, Lieselotte; Åkesson, Björn; Rosqvist, Fredrik; Hukkanen, Janne; Herzig, Karl-Heinz; Savolainen, Markku J.; Risérus, Ulf; Thorsdottir, Inga; Poutanen, Kaisa S.; Arner, Peter; Uusitupa, Matti; Kolehmainen, Marjukka (2019-12-03)
Ulven, S.M.; Holven, K.B.; Rundblad, A.; Myhrstad, M.C.W.; Leder, L.; Dahlman, I.; Mello, V.D.; Schwab, U.; Carlberg, C.; Pihlajamäki, J.; Hermansen, K.; Dragsted, L.O.; Gunnarsdottir, I.; Cloetens, L.; Åkesson, B.; Rosqvist, F.; Hukkanen, J.; Herzig, K.-H.; Savolainen, M.J.; Risérus, U.; Thorsdottir, I.; Poutanen, K.S.; Arner, P.; Uusitupa, M.; Kolehmainen, M. An Isocaloric Nordic Diet Modulates RELA and TNFRSF1A Gene Expression in Peripheral Blood Mononuclear Cells in Individuals with Metabolic Syndrome—A SYSDIET Sub-Study. Nutrients 2019, 11, 2932.
© 2019 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).
https://creativecommons.org/licenses/by/4.0/
https://urn.fi/URN:NBN:fi-fe202003269411
Tiivistelmä
Abstract
A healthy dietary pattern is associated with a lower risk of metabolic syndrome (MetS) and reduced inflammation. To explore this at the molecular level, we investigated the effect of a Nordic diet (ND) on changes in the gene expression profiles of inflammatory and lipid-related genes in peripheral blood mononuclear cells (PBMCs) of individuals with MetS. We hypothesized that the intake of an ND compared to a control diet (CD) would alter the expression of inflammatory genes and genes involved in lipid metabolism. The individuals with MetS underwent an 18/24-week randomized intervention to compare a ND with a CD. Eighty-eight participants (66% women) were included in this sub-study of the larger SYSDIET study. Fasting PBMCs were collected before and after the intervention and changes in gene expression levels were measured using TaqMan Array Micro Fluidic Cards. Forty-eight pre-determined inflammatory and lipid related gene transcripts were analyzed. The expression level of the gene tumor necrosis factor (TNF) receptor superfamily member 1A (TNFRSF1A) was down-regulated (p = 0.004), whereas the nuclear factor kappa-light-chain-enhancer of activated B cells (NF-κB) subunit, RELA proto-oncogene, was up-regulated (p = 0.016) in the ND group compared to the CD group. In conclusion, intake of an ND in individuals with the MetS may affect immune function.
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