Healthy Nordic diet downregulates the expression of genes involved in inflammation in subcutaneous adipose tissue in individuals with features of the metabolic syndrome

Background: Previously, a healthy Nordic diet (ND) has been shown to have beneficial health effects close to those of Mediterranean diets.Objective: The objective was to explore whether the ND has an impact on gene expression in abdominal subcutaneous adipose tissue (SAT) and whether changes in gene...

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Veröffentlicht in:The American journal of clinical nutrition 2015, Vol.101 (1), p.228-239
Hauptverfasser: Kolehmainen, Marjukka, Ulven, Stine M, Paananen, Jussi, de Mello, Vanessa, Schwab, Ursula, Carlberg, Carsten, Myhrstad, Mari, Pihlajamäki, Jussi, Dungner, Elisabeth, Sjölin, Eva, Gunnarsdottir, Ingibjörg, Cloetens, Lieselotte, Landin-Olsson, Mona, Akesson, Björn, Rosqvist, Fredrik, Hukkanen, Janne, Herzig, Karl-Heinz, Dragsted, Lars O, Savolainen, Markku J, Brader, Lea, Hermansen, Kjeld, Risérus, Ulf, Thorsdottir, Inga, Poutanen, Kaisa S, Uusitupa, Matti, Arner, Peter, Dahlman, Ingrid
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container_end_page 239
container_issue 1
container_start_page 228
container_title The American journal of clinical nutrition
container_volume 101
creator Kolehmainen, Marjukka
Ulven, Stine M
Paananen, Jussi
de Mello, Vanessa
Schwab, Ursula
Carlberg, Carsten
Myhrstad, Mari
Pihlajamäki, Jussi
Dungner, Elisabeth
Sjölin, Eva
Gunnarsdottir, Ingibjörg
Cloetens, Lieselotte
Landin-Olsson, Mona
Akesson, Björn
Rosqvist, Fredrik
Hukkanen, Janne
Herzig, Karl-Heinz
Dragsted, Lars O
Savolainen, Markku J
Brader, Lea
Hermansen, Kjeld
Risérus, Ulf
Thorsdottir, Inga
Poutanen, Kaisa S
Uusitupa, Matti
Arner, Peter
Dahlman, Ingrid
description Background: Previously, a healthy Nordic diet (ND) has been shown to have beneficial health effects close to those of Mediterranean diets.Objective: The objective was to explore whether the ND has an impact on gene expression in abdominal subcutaneous adipose tissue (SAT) and whether changes in gene expression are associated with clinical and biochemical effects.Design: Obese adults with features of the metabolic syndrome underwent an 18- to 24-wk randomized intervention study comparing the ND with the control diet (CD) (the SYSDIET study, carried out within Nordic Centre of Excellence of the Systems Biology in Controlled Dietary Interventions and Cohort Studies). The present study included participants from 3 Nordic SYSDIET centers [Kuopio (n = 20), Lund (n = 18), and Oulu (n = 18)] with a maximum weight change of ±4 kg, highly sensitive C-reactive protein concentration
doi_str_mv 10.3945/ajcn.114.092783
format Article
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The present study included participants from 3 Nordic SYSDIET centers [Kuopio (n = 20), Lund (n = 18), and Oulu (n = 18)] with a maximum weight change of ±4 kg, highly sensitive C-reactive protein concentration &lt;10 mg/L at the beginning and the end of the intervention, and baseline body mass index (in kg/m2) &lt;38. SAT biopsy specimens were obtained before and after the intervention and subjected to global transcriptome analysis with Gene 1.1 ST Arrays (Affymetrix).Results: Altogether, 128 genes were differentially expressed in SAT between the ND and CD (nominal P &lt; 0.01; false discovery rate, 25%). These genes were overrepresented in pathways related to immune response (adjusted P = 0.0076), resulting mainly from slightly decreased expression in the ND and increased expression in the CD. Immune-related pathways included leukocyte trafficking and macrophage recruitment (e.g., interferon regulatory factor 1, CD97), adaptive immune response (interleukin32, interleukin 6 receptor), and reactive oxygen species (neutrophil cytosolic factor 1). Interestingly, the regulatory region of the 128 genes was overrepresented for binding sites for the nuclear transcription factor κB.Conclusion: A healthy Nordic diet reduces inflammatory gene expression in SAT compared with a control diet independently of body weight change in individuals with features of the metabolic syndrome. The study was registered at clinicaltrials.gov as NCT00992641.</description><identifier>ISSN: 0002-9165</identifier><identifier>ISSN: 1938-3207</identifier><identifier>EISSN: 1938-3207</identifier><identifier>DOI: 10.3945/ajcn.114.092783</identifier><identifier>PMID: 25527767</identifier><language>eng</language><publisher>United States: American Society for Clinical Nutrition</publisher><subject>Adaptive Immunity ; adipose tissue ; adults ; binding sites ; Biochemistry ; Biopsy ; Body Mass Index ; body weight ; C-reactive protein ; C-Reactive Protein - analysis ; clinical nutrition ; cohort studies ; Diet ; Diet - ethnology ; Down-Regulation ; Fatty acids ; Female ; Finland ; Gene expression ; Gene Expression Profiling ; Gene Expression Regulation ; genes ; Health Promotion ; Health Sciences ; Humans ; Hälsovetenskap ; immune response ; inflammation ; Inflammatory diseases ; interferon regulatory factors ; interleukin-6 ; Leukocytes ; macrophages ; Male ; Medical and Health Sciences ; Medicin och hälsovetenskap ; Metabolic syndrome ; Metabolic Syndrome - complications ; Metabolic Syndrome - diet therapy ; Metabolic Syndrome - immunology ; Metabolic Syndrome - metabolism ; Middle Aged ; neutrophils ; Nutrition and Dietetics ; Nutrition Policy ; nutritional intervention ; Näringslära ; Obesity - complications ; Oligonucleotide Array Sequence Analysis ; reactive oxygen species ; Subcutaneous Fat, Abdominal - immunology ; Subcutaneous Fat, Abdominal - metabolism ; Subcutaneous Fat, Abdominal - pathology ; Sweden ; transcriptomics</subject><ispartof>The American journal of clinical nutrition, 2015, Vol.101 (1), p.228-239</ispartof><rights>2015 American Society for Nutrition.</rights><rights>Copyright American Society for Clinical Nutrition, Inc. Jan 1, 2015</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c567t-9741813959c1e9d0935d73bfb57c4d2ace6f2038e5121b32acf87974a7d93303</citedby><cites>FETCH-LOGICAL-c567t-9741813959c1e9d0935d73bfb57c4d2ace6f2038e5121b32acf87974a7d93303</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>230,314,550,776,780,881,4010,27900,27901,27902</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/25527767$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink><backlink>$$Uhttps://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-240038$$DView record from Swedish Publication Index$$Hfree_for_read</backlink><backlink>$$Uhttps://lup.lub.lu.se/record/4905872$$DView record from Swedish Publication Index$$Hfree_for_read</backlink><backlink>$$Uhttp://kipublications.ki.se/Default.aspx?queryparsed=id:130374601$$DView record from Swedish Publication Index$$Hfree_for_read</backlink></links><search><creatorcontrib>Kolehmainen, Marjukka</creatorcontrib><creatorcontrib>Ulven, Stine M</creatorcontrib><creatorcontrib>Paananen, Jussi</creatorcontrib><creatorcontrib>de Mello, Vanessa</creatorcontrib><creatorcontrib>Schwab, Ursula</creatorcontrib><creatorcontrib>Carlberg, Carsten</creatorcontrib><creatorcontrib>Myhrstad, Mari</creatorcontrib><creatorcontrib>Pihlajamäki, Jussi</creatorcontrib><creatorcontrib>Dungner, Elisabeth</creatorcontrib><creatorcontrib>Sjölin, Eva</creatorcontrib><creatorcontrib>Gunnarsdottir, Ingibjörg</creatorcontrib><creatorcontrib>Cloetens, Lieselotte</creatorcontrib><creatorcontrib>Landin-Olsson, Mona</creatorcontrib><creatorcontrib>Akesson, Björn</creatorcontrib><creatorcontrib>Rosqvist, Fredrik</creatorcontrib><creatorcontrib>Hukkanen, Janne</creatorcontrib><creatorcontrib>Herzig, Karl-Heinz</creatorcontrib><creatorcontrib>Dragsted, Lars O</creatorcontrib><creatorcontrib>Savolainen, Markku J</creatorcontrib><creatorcontrib>Brader, Lea</creatorcontrib><creatorcontrib>Hermansen, Kjeld</creatorcontrib><creatorcontrib>Risérus, Ulf</creatorcontrib><creatorcontrib>Thorsdottir, Inga</creatorcontrib><creatorcontrib>Poutanen, Kaisa S</creatorcontrib><creatorcontrib>Uusitupa, Matti</creatorcontrib><creatorcontrib>Arner, Peter</creatorcontrib><creatorcontrib>Dahlman, Ingrid</creatorcontrib><title>Healthy Nordic diet downregulates the expression of genes involved in inflammation in subcutaneous adipose tissue in individuals with features of the metabolic syndrome</title><title>The American journal of clinical nutrition</title><addtitle>Am J Clin Nutr</addtitle><description>Background: Previously, a healthy Nordic diet (ND) has been shown to have beneficial health effects close to those of Mediterranean diets.Objective: The objective was to explore whether the ND has an impact on gene expression in abdominal subcutaneous adipose tissue (SAT) and whether changes in gene expression are associated with clinical and biochemical effects.Design: Obese adults with features of the metabolic syndrome underwent an 18- to 24-wk randomized intervention study comparing the ND with the control diet (CD) (the SYSDIET study, carried out within Nordic Centre of Excellence of the Systems Biology in Controlled Dietary Interventions and Cohort Studies). The present study included participants from 3 Nordic SYSDIET centers [Kuopio (n = 20), Lund (n = 18), and Oulu (n = 18)] with a maximum weight change of ±4 kg, highly sensitive C-reactive protein concentration &lt;10 mg/L at the beginning and the end of the intervention, and baseline body mass index (in kg/m2) &lt;38. SAT biopsy specimens were obtained before and after the intervention and subjected to global transcriptome analysis with Gene 1.1 ST Arrays (Affymetrix).Results: Altogether, 128 genes were differentially expressed in SAT between the ND and CD (nominal P &lt; 0.01; false discovery rate, 25%). These genes were overrepresented in pathways related to immune response (adjusted P = 0.0076), resulting mainly from slightly decreased expression in the ND and increased expression in the CD. Immune-related pathways included leukocyte trafficking and macrophage recruitment (e.g., interferon regulatory factor 1, CD97), adaptive immune response (interleukin32, interleukin 6 receptor), and reactive oxygen species (neutrophil cytosolic factor 1). Interestingly, the regulatory region of the 128 genes was overrepresented for binding sites for the nuclear transcription factor κB.Conclusion: A healthy Nordic diet reduces inflammatory gene expression in SAT compared with a control diet independently of body weight change in individuals with features of the metabolic syndrome. The study was registered at clinicaltrials.gov as NCT00992641.</description><subject>Adaptive Immunity</subject><subject>adipose tissue</subject><subject>adults</subject><subject>binding sites</subject><subject>Biochemistry</subject><subject>Biopsy</subject><subject>Body Mass Index</subject><subject>body weight</subject><subject>C-reactive protein</subject><subject>C-Reactive Protein - analysis</subject><subject>clinical nutrition</subject><subject>cohort studies</subject><subject>Diet</subject><subject>Diet - ethnology</subject><subject>Down-Regulation</subject><subject>Fatty acids</subject><subject>Female</subject><subject>Finland</subject><subject>Gene expression</subject><subject>Gene Expression Profiling</subject><subject>Gene Expression Regulation</subject><subject>genes</subject><subject>Health Promotion</subject><subject>Health Sciences</subject><subject>Humans</subject><subject>Hälsovetenskap</subject><subject>immune response</subject><subject>inflammation</subject><subject>Inflammatory diseases</subject><subject>interferon regulatory factors</subject><subject>interleukin-6</subject><subject>Leukocytes</subject><subject>macrophages</subject><subject>Male</subject><subject>Medical and Health Sciences</subject><subject>Medicin och hälsovetenskap</subject><subject>Metabolic syndrome</subject><subject>Metabolic Syndrome - complications</subject><subject>Metabolic Syndrome - diet therapy</subject><subject>Metabolic Syndrome - immunology</subject><subject>Metabolic Syndrome - metabolism</subject><subject>Middle Aged</subject><subject>neutrophils</subject><subject>Nutrition and Dietetics</subject><subject>Nutrition Policy</subject><subject>nutritional intervention</subject><subject>Näringslära</subject><subject>Obesity - complications</subject><subject>Oligonucleotide Array Sequence Analysis</subject><subject>reactive oxygen species</subject><subject>Subcutaneous Fat, Abdominal - immunology</subject><subject>Subcutaneous Fat, Abdominal - metabolism</subject><subject>Subcutaneous Fat, Abdominal - pathology</subject><subject>Sweden</subject><subject>transcriptomics</subject><issn>0002-9165</issn><issn>1938-3207</issn><issn>1938-3207</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2015</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><sourceid>D8T</sourceid><recordid>eNqNkk1v1DAQhiMEokvhzA0iceHAtv6M42NVPoq0ggOFq-XEk10vSbyN4132H_EzmShLD0iVkDyyPXrm9dh-s-wlJRdcC3lpt3V_Qam4IJqpkj_KFlTzcskZUY-zBSGELTUt5Fn2LMYtIZSJsnianTEpmVKFWmS_b8C24-aYfwmD83XuPIy5C4d-gHVq7QgxHzeQw6_dADH60OehydfQY973-9DuweECR9ParrPjROA-pqpOo-0hpJhb53chQj76GBPMuPN775JtY37w4yZvwI4JT5jUp_M6GG0VWmwoHns3hA6eZ08axOHFaT7Pbj9-uL2-Wa6-fvp8fbVa1rJQ41IrQUvKtdQ1Be2I5tIpXjWVVLVwzNZQNIzwEiRltOKYaEqFRVY5zTnh59lylo0H2KXK7Abf2eFogvXmlPqJKzCSFopO_OpBvk07jApjKhDEKkmdNqQmpRGSFUZTZo1ztXPa4TcJiXLvHpR7739cmTCsTUqGCYKXQPztjO-GcJcgjqbzsYa2nV_e0EILXRLG_gdFQ2l0yIS--QfdhjT0-OpICSFKRjVF6nKm6iHEOEBz3ywlZjKnmcxp0JxmNidWvDrppqoDd8__dSMCr2egscHY9eCj-f6NESrRuZISJfkfdznsdQ</recordid><startdate>2015</startdate><enddate>2015</enddate><creator>Kolehmainen, Marjukka</creator><creator>Ulven, Stine M</creator><creator>Paananen, Jussi</creator><creator>de Mello, Vanessa</creator><creator>Schwab, Ursula</creator><creator>Carlberg, Carsten</creator><creator>Myhrstad, Mari</creator><creator>Pihlajamäki, Jussi</creator><creator>Dungner, Elisabeth</creator><creator>Sjölin, Eva</creator><creator>Gunnarsdottir, Ingibjörg</creator><creator>Cloetens, Lieselotte</creator><creator>Landin-Olsson, Mona</creator><creator>Akesson, Björn</creator><creator>Rosqvist, Fredrik</creator><creator>Hukkanen, Janne</creator><creator>Herzig, Karl-Heinz</creator><creator>Dragsted, Lars O</creator><creator>Savolainen, Markku J</creator><creator>Brader, Lea</creator><creator>Hermansen, Kjeld</creator><creator>Risérus, Ulf</creator><creator>Thorsdottir, Inga</creator><creator>Poutanen, Kaisa S</creator><creator>Uusitupa, Matti</creator><creator>Arner, Peter</creator><creator>Dahlman, Ingrid</creator><general>American Society for Clinical Nutrition</general><general>American Society for Clinical Nutrition, Inc</general><scope>FBQ</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QP</scope><scope>7T7</scope><scope>7TS</scope><scope>8FD</scope><scope>C1K</scope><scope>FR3</scope><scope>K9.</scope><scope>NAPCQ</scope><scope>P64</scope><scope>7X8</scope><scope>RC3</scope><scope>ADTPV</scope><scope>AOWAS</scope><scope>DF2</scope><scope>D95</scope><scope>D8T</scope><scope>ZZAVC</scope></search><sort><creationdate>2015</creationdate><title>Healthy Nordic diet downregulates the expression of genes involved in inflammation in subcutaneous adipose tissue in individuals with features of the metabolic syndrome</title><author>Kolehmainen, Marjukka ; Ulven, Stine M ; Paananen, Jussi ; de Mello, Vanessa ; Schwab, Ursula ; Carlberg, Carsten ; Myhrstad, Mari ; Pihlajamäki, Jussi ; Dungner, Elisabeth ; Sjölin, Eva ; Gunnarsdottir, Ingibjörg ; Cloetens, Lieselotte ; Landin-Olsson, Mona ; Akesson, Björn ; Rosqvist, Fredrik ; Hukkanen, Janne ; Herzig, Karl-Heinz ; Dragsted, Lars O ; Savolainen, Markku J ; Brader, Lea ; Hermansen, Kjeld ; Risérus, Ulf ; Thorsdottir, Inga ; Poutanen, Kaisa S ; Uusitupa, Matti ; Arner, Peter ; Dahlman, Ingrid</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c567t-9741813959c1e9d0935d73bfb57c4d2ace6f2038e5121b32acf87974a7d93303</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2015</creationdate><topic>Adaptive Immunity</topic><topic>adipose tissue</topic><topic>adults</topic><topic>binding sites</topic><topic>Biochemistry</topic><topic>Biopsy</topic><topic>Body Mass Index</topic><topic>body weight</topic><topic>C-reactive protein</topic><topic>C-Reactive Protein - analysis</topic><topic>clinical nutrition</topic><topic>cohort studies</topic><topic>Diet</topic><topic>Diet - ethnology</topic><topic>Down-Regulation</topic><topic>Fatty acids</topic><topic>Female</topic><topic>Finland</topic><topic>Gene expression</topic><topic>Gene Expression Profiling</topic><topic>Gene Expression Regulation</topic><topic>genes</topic><topic>Health Promotion</topic><topic>Health Sciences</topic><topic>Humans</topic><topic>Hälsovetenskap</topic><topic>immune response</topic><topic>inflammation</topic><topic>Inflammatory diseases</topic><topic>interferon regulatory factors</topic><topic>interleukin-6</topic><topic>Leukocytes</topic><topic>macrophages</topic><topic>Male</topic><topic>Medical and Health Sciences</topic><topic>Medicin och hälsovetenskap</topic><topic>Metabolic syndrome</topic><topic>Metabolic Syndrome - complications</topic><topic>Metabolic Syndrome - diet therapy</topic><topic>Metabolic Syndrome - immunology</topic><topic>Metabolic Syndrome - metabolism</topic><topic>Middle Aged</topic><topic>neutrophils</topic><topic>Nutrition and Dietetics</topic><topic>Nutrition Policy</topic><topic>nutritional intervention</topic><topic>Näringslära</topic><topic>Obesity - complications</topic><topic>Oligonucleotide Array Sequence Analysis</topic><topic>reactive oxygen species</topic><topic>Subcutaneous Fat, Abdominal - immunology</topic><topic>Subcutaneous Fat, Abdominal - metabolism</topic><topic>Subcutaneous Fat, Abdominal - pathology</topic><topic>Sweden</topic><topic>transcriptomics</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Kolehmainen, Marjukka</creatorcontrib><creatorcontrib>Ulven, Stine M</creatorcontrib><creatorcontrib>Paananen, Jussi</creatorcontrib><creatorcontrib>de Mello, Vanessa</creatorcontrib><creatorcontrib>Schwab, Ursula</creatorcontrib><creatorcontrib>Carlberg, Carsten</creatorcontrib><creatorcontrib>Myhrstad, Mari</creatorcontrib><creatorcontrib>Pihlajamäki, Jussi</creatorcontrib><creatorcontrib>Dungner, Elisabeth</creatorcontrib><creatorcontrib>Sjölin, Eva</creatorcontrib><creatorcontrib>Gunnarsdottir, Ingibjörg</creatorcontrib><creatorcontrib>Cloetens, Lieselotte</creatorcontrib><creatorcontrib>Landin-Olsson, Mona</creatorcontrib><creatorcontrib>Akesson, Björn</creatorcontrib><creatorcontrib>Rosqvist, Fredrik</creatorcontrib><creatorcontrib>Hukkanen, Janne</creatorcontrib><creatorcontrib>Herzig, Karl-Heinz</creatorcontrib><creatorcontrib>Dragsted, Lars O</creatorcontrib><creatorcontrib>Savolainen, Markku J</creatorcontrib><creatorcontrib>Brader, Lea</creatorcontrib><creatorcontrib>Hermansen, Kjeld</creatorcontrib><creatorcontrib>Risérus, Ulf</creatorcontrib><creatorcontrib>Thorsdottir, Inga</creatorcontrib><creatorcontrib>Poutanen, Kaisa S</creatorcontrib><creatorcontrib>Uusitupa, Matti</creatorcontrib><creatorcontrib>Arner, Peter</creatorcontrib><creatorcontrib>Dahlman, Ingrid</creatorcontrib><collection>AGRIS</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Calcium &amp; Calcified Tissue Abstracts</collection><collection>Industrial and Applied Microbiology Abstracts (Microbiology A)</collection><collection>Physical Education Index</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Engineering Research Database</collection><collection>ProQuest Health &amp; Medical Complete (Alumni)</collection><collection>Nursing &amp; Allied Health Premium</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>MEDLINE - Academic</collection><collection>Genetics Abstracts</collection><collection>SwePub</collection><collection>SwePub Articles</collection><collection>SWEPUB Uppsala universitet</collection><collection>SWEPUB Lunds universitet</collection><collection>SWEPUB Freely available online</collection><collection>SwePub Articles full text</collection><jtitle>The American journal of clinical nutrition</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Kolehmainen, Marjukka</au><au>Ulven, Stine M</au><au>Paananen, Jussi</au><au>de Mello, Vanessa</au><au>Schwab, Ursula</au><au>Carlberg, Carsten</au><au>Myhrstad, Mari</au><au>Pihlajamäki, Jussi</au><au>Dungner, Elisabeth</au><au>Sjölin, Eva</au><au>Gunnarsdottir, Ingibjörg</au><au>Cloetens, Lieselotte</au><au>Landin-Olsson, Mona</au><au>Akesson, Björn</au><au>Rosqvist, Fredrik</au><au>Hukkanen, Janne</au><au>Herzig, Karl-Heinz</au><au>Dragsted, Lars O</au><au>Savolainen, Markku J</au><au>Brader, Lea</au><au>Hermansen, Kjeld</au><au>Risérus, Ulf</au><au>Thorsdottir, Inga</au><au>Poutanen, Kaisa S</au><au>Uusitupa, Matti</au><au>Arner, Peter</au><au>Dahlman, Ingrid</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Healthy Nordic diet downregulates the expression of genes involved in inflammation in subcutaneous adipose tissue in individuals with features of the metabolic syndrome</atitle><jtitle>The American journal of clinical nutrition</jtitle><addtitle>Am J Clin Nutr</addtitle><date>2015</date><risdate>2015</risdate><volume>101</volume><issue>1</issue><spage>228</spage><epage>239</epage><pages>228-239</pages><issn>0002-9165</issn><issn>1938-3207</issn><eissn>1938-3207</eissn><abstract>Background: Previously, a healthy Nordic diet (ND) has been shown to have beneficial health effects close to those of Mediterranean diets.Objective: The objective was to explore whether the ND has an impact on gene expression in abdominal subcutaneous adipose tissue (SAT) and whether changes in gene expression are associated with clinical and biochemical effects.Design: Obese adults with features of the metabolic syndrome underwent an 18- to 24-wk randomized intervention study comparing the ND with the control diet (CD) (the SYSDIET study, carried out within Nordic Centre of Excellence of the Systems Biology in Controlled Dietary Interventions and Cohort Studies). The present study included participants from 3 Nordic SYSDIET centers [Kuopio (n = 20), Lund (n = 18), and Oulu (n = 18)] with a maximum weight change of ±4 kg, highly sensitive C-reactive protein concentration &lt;10 mg/L at the beginning and the end of the intervention, and baseline body mass index (in kg/m2) &lt;38. SAT biopsy specimens were obtained before and after the intervention and subjected to global transcriptome analysis with Gene 1.1 ST Arrays (Affymetrix).Results: Altogether, 128 genes were differentially expressed in SAT between the ND and CD (nominal P &lt; 0.01; false discovery rate, 25%). These genes were overrepresented in pathways related to immune response (adjusted P = 0.0076), resulting mainly from slightly decreased expression in the ND and increased expression in the CD. Immune-related pathways included leukocyte trafficking and macrophage recruitment (e.g., interferon regulatory factor 1, CD97), adaptive immune response (interleukin32, interleukin 6 receptor), and reactive oxygen species (neutrophil cytosolic factor 1). Interestingly, the regulatory region of the 128 genes was overrepresented for binding sites for the nuclear transcription factor κB.Conclusion: A healthy Nordic diet reduces inflammatory gene expression in SAT compared with a control diet independently of body weight change in individuals with features of the metabolic syndrome. The study was registered at clinicaltrials.gov as NCT00992641.</abstract><cop>United States</cop><pub>American Society for Clinical Nutrition</pub><pmid>25527767</pmid><doi>10.3945/ajcn.114.092783</doi><tpages>12</tpages><oa>free_for_read</oa></addata></record>
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subjects Adaptive Immunity
adipose tissue
adults
binding sites
Biochemistry
Biopsy
Body Mass Index
body weight
C-reactive protein
C-Reactive Protein - analysis
clinical nutrition
cohort studies
Diet
Diet - ethnology
Down-Regulation
Fatty acids
Female
Finland
Gene expression
Gene Expression Profiling
Gene Expression Regulation
genes
Health Promotion
Health Sciences
Humans
Hälsovetenskap
immune response
inflammation
Inflammatory diseases
interferon regulatory factors
interleukin-6
Leukocytes
macrophages
Male
Medical and Health Sciences
Medicin och hälsovetenskap
Metabolic syndrome
Metabolic Syndrome - complications
Metabolic Syndrome - diet therapy
Metabolic Syndrome - immunology
Metabolic Syndrome - metabolism
Middle Aged
neutrophils
Nutrition and Dietetics
Nutrition Policy
nutritional intervention
Näringslära
Obesity - complications
Oligonucleotide Array Sequence Analysis
reactive oxygen species
Subcutaneous Fat, Abdominal - immunology
Subcutaneous Fat, Abdominal - metabolism
Subcutaneous Fat, Abdominal - pathology
Sweden
transcriptomics
title Healthy Nordic diet downregulates the expression of genes involved in inflammation in subcutaneous adipose tissue in individuals with features of the metabolic syndrome
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