Blueberry Supplementation Influences the Gut Microbiota, Inflammation, and Insulin Resistance in High-Fat-Diet-Fed Rats

Gut microbiota dysbiosis has been linked to obesity-associated chronic inflammation. Microbiota manipulation may therefore affect obesity-related comorbidities. Blueberries are rich in anthocyanins, which have anti-inflammatory properties and may alter the gut microbiota. We hypothesized that bluebe...

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Veröffentlicht in:The Journal of nutrition 2018-02, Vol.148 (2), p.209-219
Hauptverfasser: Lee, Sunhye, Keirsey, Katherine I, Kirkland, Rebecca, Grunewald, Zachary I, Fischer, Joan G, de La Serre, Claire B
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container_title The Journal of nutrition
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creator Lee, Sunhye
Keirsey, Katherine I
Kirkland, Rebecca
Grunewald, Zachary I
Fischer, Joan G
de La Serre, Claire B
description Gut microbiota dysbiosis has been linked to obesity-associated chronic inflammation. Microbiota manipulation may therefore affect obesity-related comorbidities. Blueberries are rich in anthocyanins, which have anti-inflammatory properties and may alter the gut microbiota. We hypothesized that blueberry supplementation would alter the gut microbiota, reduce systemic inflammation, and improve insulin resistance in high-fat (HF)-diet-fed rats. Twenty-four male Wistar rats (260-270 g; n = 8/group) were fed low-fat (LF; 10% fat), HF (45% fat), or HF with 10% by weight blueberry powder (HF_BB) diets for 8 wk. LF rats were fed ad libitum, whereas HF and HF_BB rats were pair-fed with diets matched for fiber and sugar contents. Glucose tolerance, microbiota composition (16S ribosomal RNA sequencing), intestinal integrity [villus height, gene expression of mucin 2 (Muc2) and β-defensin 2 (Defb2)], and inflammation (gene expression of proinflammatory cytokines) were assessed. Blueberry altered microbiota composition with an increase in Gammaproteobacteria abundance (P < 0.001) compared with LF and HF rats. HF feeding led to an ∼15% decrease in ileal villus height compared with LF rats (P < 0.05), which was restored by blueberry supplementation. Ileal gene expression of Muc2 was ∼150% higher in HF_BB rats compared with HF rats (P < 0.05), with expression in the LF group not being different from that in either the HF or HF_BB groups. Tumor necrosis factor α (Tnfa) and interleukin 1β (Il1b) gene expression in visceral fat was increased by HF feeding when compared with the LF group (by 300% and 500%, respectively; P < 0.05) and normalized by blueberry supplementation. Finally, blueberry improved markers of insulin sensitivity. Hepatic insulin receptor substrate 1 (IRS1) phosphorylation at serine 307:IRS1 ratio was ∼35% higher in HF rats compared with LF rats (P < 0.05) and HF_BB rats. In HF-diet-fed male rats, blueberry supplementation led to compositional changes in the gut microbiota associated with improvements in systemic inflammation and insulin signaling.
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Microbiota manipulation may therefore affect obesity-related comorbidities. Blueberries are rich in anthocyanins, which have anti-inflammatory properties and may alter the gut microbiota. We hypothesized that blueberry supplementation would alter the gut microbiota, reduce systemic inflammation, and improve insulin resistance in high-fat (HF)-diet-fed rats. Twenty-four male Wistar rats (260-270 g; n = 8/group) were fed low-fat (LF; 10% fat), HF (45% fat), or HF with 10% by weight blueberry powder (HF_BB) diets for 8 wk. LF rats were fed ad libitum, whereas HF and HF_BB rats were pair-fed with diets matched for fiber and sugar contents. Glucose tolerance, microbiota composition (16S ribosomal RNA sequencing), intestinal integrity [villus height, gene expression of mucin 2 (Muc2) and β-defensin 2 (Defb2)], and inflammation (gene expression of proinflammatory cytokines) were assessed. Blueberry altered microbiota composition with an increase in Gammaproteobacteria abundance (P &lt; 0.001) compared with LF and HF rats. HF feeding led to an ∼15% decrease in ileal villus height compared with LF rats (P &lt; 0.05), which was restored by blueberry supplementation. Ileal gene expression of Muc2 was ∼150% higher in HF_BB rats compared with HF rats (P &lt; 0.05), with expression in the LF group not being different from that in either the HF or HF_BB groups. Tumor necrosis factor α (Tnfa) and interleukin 1β (Il1b) gene expression in visceral fat was increased by HF feeding when compared with the LF group (by 300% and 500%, respectively; P &lt; 0.05) and normalized by blueberry supplementation. Finally, blueberry improved markers of insulin sensitivity. Hepatic insulin receptor substrate 1 (IRS1) phosphorylation at serine 307:IRS1 ratio was ∼35% higher in HF rats compared with LF rats (P &lt; 0.05) and HF_BB rats. In HF-diet-fed male rats, blueberry supplementation led to compositional changes in the gut microbiota associated with improvements in systemic inflammation and insulin signaling.</description><identifier>ISSN: 0022-3166</identifier><identifier>EISSN: 1541-6100</identifier><identifier>DOI: 10.1093/jn/nxx027</identifier><identifier>PMID: 29490092</identifier><language>eng</language><publisher>United States: American Institute of Nutrition</publisher><subject>Adipose Tissue - drug effects ; Animals ; Anthocyanins ; Anthocyanins - administration &amp; dosage ; Anti-inflammatory agents ; Bacteria - classification ; Berries ; Blueberries ; Blueberry Plants ; Cytokines ; Diet ; Diet, High-Fat - adverse effects ; Dietary Fiber - administration &amp; dosage ; Dietary Supplements ; Digestive system ; DNA, Bacterial - analysis ; Dysbacteriosis ; Feeding ; Fruit - chemistry ; Fruits ; Gastrointestinal Microbiome - drug effects ; Gastrointestinal Microbiome - genetics ; Gastrointestinal tract ; Gene expression ; Gene sequencing ; Glucose tolerance ; Glucose Tolerance Test ; High fat diet ; Inflammation ; Inflammation - prevention &amp; control ; Insulin ; Insulin receptor substrate 1 ; Insulin resistance ; Insulin Resistance - physiology ; Interleukin 1 ; Intestine ; Liver - drug effects ; Male ; Mucin ; Nutrition and Disease ; Obesity ; Phosphorylation ; Plant Extracts - administration &amp; dosage ; Powder ; Rats ; Rats, Wistar ; Ribonucleic acid ; RNA ; Rodents ; rRNA 16S ; Sequence Analysis, DNA ; Serine ; Substrates ; Sugar ; Villus</subject><ispartof>The Journal of nutrition, 2018-02, Vol.148 (2), p.209-219</ispartof><rights>Copyright American Institute of Nutrition Feb 2018</rights><rights>2018 American Society for Nutrition. 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Microbiota manipulation may therefore affect obesity-related comorbidities. Blueberries are rich in anthocyanins, which have anti-inflammatory properties and may alter the gut microbiota. We hypothesized that blueberry supplementation would alter the gut microbiota, reduce systemic inflammation, and improve insulin resistance in high-fat (HF)-diet-fed rats. Twenty-four male Wistar rats (260-270 g; n = 8/group) were fed low-fat (LF; 10% fat), HF (45% fat), or HF with 10% by weight blueberry powder (HF_BB) diets for 8 wk. LF rats were fed ad libitum, whereas HF and HF_BB rats were pair-fed with diets matched for fiber and sugar contents. Glucose tolerance, microbiota composition (16S ribosomal RNA sequencing), intestinal integrity [villus height, gene expression of mucin 2 (Muc2) and β-defensin 2 (Defb2)], and inflammation (gene expression of proinflammatory cytokines) were assessed. Blueberry altered microbiota composition with an increase in Gammaproteobacteria abundance (P &lt; 0.001) compared with LF and HF rats. HF feeding led to an ∼15% decrease in ileal villus height compared with LF rats (P &lt; 0.05), which was restored by blueberry supplementation. Ileal gene expression of Muc2 was ∼150% higher in HF_BB rats compared with HF rats (P &lt; 0.05), with expression in the LF group not being different from that in either the HF or HF_BB groups. Tumor necrosis factor α (Tnfa) and interleukin 1β (Il1b) gene expression in visceral fat was increased by HF feeding when compared with the LF group (by 300% and 500%, respectively; P &lt; 0.05) and normalized by blueberry supplementation. Finally, blueberry improved markers of insulin sensitivity. Hepatic insulin receptor substrate 1 (IRS1) phosphorylation at serine 307:IRS1 ratio was ∼35% higher in HF rats compared with LF rats (P &lt; 0.05) and HF_BB rats. In HF-diet-fed male rats, blueberry supplementation led to compositional changes in the gut microbiota associated with improvements in systemic inflammation and insulin signaling.</description><subject>Adipose Tissue - drug effects</subject><subject>Animals</subject><subject>Anthocyanins</subject><subject>Anthocyanins - administration &amp; dosage</subject><subject>Anti-inflammatory agents</subject><subject>Bacteria - classification</subject><subject>Berries</subject><subject>Blueberries</subject><subject>Blueberry Plants</subject><subject>Cytokines</subject><subject>Diet</subject><subject>Diet, High-Fat - adverse effects</subject><subject>Dietary Fiber - administration &amp; dosage</subject><subject>Dietary Supplements</subject><subject>Digestive system</subject><subject>DNA, Bacterial - analysis</subject><subject>Dysbacteriosis</subject><subject>Feeding</subject><subject>Fruit - chemistry</subject><subject>Fruits</subject><subject>Gastrointestinal Microbiome - drug effects</subject><subject>Gastrointestinal Microbiome - genetics</subject><subject>Gastrointestinal tract</subject><subject>Gene expression</subject><subject>Gene sequencing</subject><subject>Glucose tolerance</subject><subject>Glucose Tolerance Test</subject><subject>High fat diet</subject><subject>Inflammation</subject><subject>Inflammation - prevention &amp; control</subject><subject>Insulin</subject><subject>Insulin receptor substrate 1</subject><subject>Insulin resistance</subject><subject>Insulin Resistance - physiology</subject><subject>Interleukin 1</subject><subject>Intestine</subject><subject>Liver - drug effects</subject><subject>Male</subject><subject>Mucin</subject><subject>Nutrition and Disease</subject><subject>Obesity</subject><subject>Phosphorylation</subject><subject>Plant Extracts - administration &amp; dosage</subject><subject>Powder</subject><subject>Rats</subject><subject>Rats, Wistar</subject><subject>Ribonucleic acid</subject><subject>RNA</subject><subject>Rodents</subject><subject>rRNA 16S</subject><subject>Sequence Analysis, DNA</subject><subject>Serine</subject><subject>Substrates</subject><subject>Sugar</subject><subject>Villus</subject><issn>0022-3166</issn><issn>1541-6100</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2018</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNpdkVFPFDEUhRsjkRV98A-YJr5owshtO9NuX0wUWSDBkIA-N93OHbabmc7SdhT-vYUFIr60ac_X23PvIeQdg88MtDhYh4NwcwNcvSAz1tSskgzgJZkBcF4JJuUueZ3SGgBYreevyC7XtQbQfEb-fOsnXGKMt_Ry2mx6HDBkm_0Y6GnoihYcJppXSI-nTH94F8elH7Pdv5ftMNyz-9SGttykqfeBXmDyKdvykpbTib9aVQubq-8ec7XAll7YnN6Qnc72Cd8-7Hvk1-Lo5-FJdXZ-fHr49axyNYhctY61ci4UU2qOjIGyXWulYrwTIMvScCnBWkTWuYZrIZVua-dUXfO2Y64Re-TLtu5mWg7YutJdtL3ZRD_YeGtG681zJfiVuRp_G8kbJpUsBT4-FIjj9YQpm8Enh31vA45TMrzMsZFaw91fH_5D1-MUQ2mvUIIJXbxCoT5tqTLKlCJ2T2YYmLs4zTqYbZyFff-v-yfyMT_xFwJFnME</recordid><startdate>20180201</startdate><enddate>20180201</enddate><creator>Lee, Sunhye</creator><creator>Keirsey, Katherine I</creator><creator>Kirkland, Rebecca</creator><creator>Grunewald, Zachary I</creator><creator>Fischer, Joan G</creator><creator>de La Serre, Claire B</creator><general>American Institute of Nutrition</general><general>Oxford University Press</general><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>K9.</scope><scope>NAPCQ</scope><scope>7X8</scope><scope>5PM</scope><orcidid>https://orcid.org/0000-0001-8355-6087</orcidid></search><sort><creationdate>20180201</creationdate><title>Blueberry Supplementation Influences the Gut Microbiota, Inflammation, and Insulin Resistance in High-Fat-Diet-Fed Rats</title><author>Lee, Sunhye ; Keirsey, Katherine I ; Kirkland, Rebecca ; Grunewald, Zachary I ; Fischer, Joan G ; de La Serre, Claire B</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c403t-dc1d68371778e1107afda6712f3062f352660aaee1fc5293679d4cc7442df1c53</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2018</creationdate><topic>Adipose Tissue - drug effects</topic><topic>Animals</topic><topic>Anthocyanins</topic><topic>Anthocyanins - administration &amp; dosage</topic><topic>Anti-inflammatory agents</topic><topic>Bacteria - classification</topic><topic>Berries</topic><topic>Blueberries</topic><topic>Blueberry Plants</topic><topic>Cytokines</topic><topic>Diet</topic><topic>Diet, High-Fat - adverse effects</topic><topic>Dietary Fiber - administration &amp; dosage</topic><topic>Dietary Supplements</topic><topic>Digestive system</topic><topic>DNA, Bacterial - analysis</topic><topic>Dysbacteriosis</topic><topic>Feeding</topic><topic>Fruit - chemistry</topic><topic>Fruits</topic><topic>Gastrointestinal Microbiome - drug effects</topic><topic>Gastrointestinal Microbiome - genetics</topic><topic>Gastrointestinal tract</topic><topic>Gene expression</topic><topic>Gene sequencing</topic><topic>Glucose tolerance</topic><topic>Glucose Tolerance Test</topic><topic>High fat diet</topic><topic>Inflammation</topic><topic>Inflammation - prevention &amp; control</topic><topic>Insulin</topic><topic>Insulin receptor substrate 1</topic><topic>Insulin resistance</topic><topic>Insulin Resistance - physiology</topic><topic>Interleukin 1</topic><topic>Intestine</topic><topic>Liver - drug effects</topic><topic>Male</topic><topic>Mucin</topic><topic>Nutrition and Disease</topic><topic>Obesity</topic><topic>Phosphorylation</topic><topic>Plant Extracts - administration &amp; dosage</topic><topic>Powder</topic><topic>Rats</topic><topic>Rats, Wistar</topic><topic>Ribonucleic acid</topic><topic>RNA</topic><topic>Rodents</topic><topic>rRNA 16S</topic><topic>Sequence Analysis, DNA</topic><topic>Serine</topic><topic>Substrates</topic><topic>Sugar</topic><topic>Villus</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Lee, Sunhye</creatorcontrib><creatorcontrib>Keirsey, Katherine I</creatorcontrib><creatorcontrib>Kirkland, Rebecca</creatorcontrib><creatorcontrib>Grunewald, Zachary I</creatorcontrib><creatorcontrib>Fischer, Joan G</creatorcontrib><creatorcontrib>de La Serre, Claire B</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>ProQuest Health &amp; Medical Complete (Alumni)</collection><collection>Nursing &amp; Allied Health Premium</collection><collection>MEDLINE - Academic</collection><collection>PubMed Central (Full Participant titles)</collection><jtitle>The Journal of nutrition</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Lee, Sunhye</au><au>Keirsey, Katherine I</au><au>Kirkland, Rebecca</au><au>Grunewald, Zachary I</au><au>Fischer, Joan G</au><au>de La Serre, Claire B</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Blueberry Supplementation Influences the Gut Microbiota, Inflammation, and Insulin Resistance in High-Fat-Diet-Fed Rats</atitle><jtitle>The Journal of nutrition</jtitle><addtitle>J Nutr</addtitle><date>2018-02-01</date><risdate>2018</risdate><volume>148</volume><issue>2</issue><spage>209</spage><epage>219</epage><pages>209-219</pages><issn>0022-3166</issn><eissn>1541-6100</eissn><abstract>Gut microbiota dysbiosis has been linked to obesity-associated chronic inflammation. Microbiota manipulation may therefore affect obesity-related comorbidities. Blueberries are rich in anthocyanins, which have anti-inflammatory properties and may alter the gut microbiota. We hypothesized that blueberry supplementation would alter the gut microbiota, reduce systemic inflammation, and improve insulin resistance in high-fat (HF)-diet-fed rats. Twenty-four male Wistar rats (260-270 g; n = 8/group) were fed low-fat (LF; 10% fat), HF (45% fat), or HF with 10% by weight blueberry powder (HF_BB) diets for 8 wk. LF rats were fed ad libitum, whereas HF and HF_BB rats were pair-fed with diets matched for fiber and sugar contents. Glucose tolerance, microbiota composition (16S ribosomal RNA sequencing), intestinal integrity [villus height, gene expression of mucin 2 (Muc2) and β-defensin 2 (Defb2)], and inflammation (gene expression of proinflammatory cytokines) were assessed. Blueberry altered microbiota composition with an increase in Gammaproteobacteria abundance (P &lt; 0.001) compared with LF and HF rats. HF feeding led to an ∼15% decrease in ileal villus height compared with LF rats (P &lt; 0.05), which was restored by blueberry supplementation. Ileal gene expression of Muc2 was ∼150% higher in HF_BB rats compared with HF rats (P &lt; 0.05), with expression in the LF group not being different from that in either the HF or HF_BB groups. Tumor necrosis factor α (Tnfa) and interleukin 1β (Il1b) gene expression in visceral fat was increased by HF feeding when compared with the LF group (by 300% and 500%, respectively; P &lt; 0.05) and normalized by blueberry supplementation. Finally, blueberry improved markers of insulin sensitivity. Hepatic insulin receptor substrate 1 (IRS1) phosphorylation at serine 307:IRS1 ratio was ∼35% higher in HF rats compared with LF rats (P &lt; 0.05) and HF_BB rats. In HF-diet-fed male rats, blueberry supplementation led to compositional changes in the gut microbiota associated with improvements in systemic inflammation and insulin signaling.</abstract><cop>United States</cop><pub>American Institute of Nutrition</pub><pmid>29490092</pmid><doi>10.1093/jn/nxx027</doi><tpages>11</tpages><orcidid>https://orcid.org/0000-0001-8355-6087</orcidid><oa>free_for_read</oa></addata></record>
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subjects Adipose Tissue - drug effects
Animals
Anthocyanins
Anthocyanins - administration & dosage
Anti-inflammatory agents
Bacteria - classification
Berries
Blueberries
Blueberry Plants
Cytokines
Diet
Diet, High-Fat - adverse effects
Dietary Fiber - administration & dosage
Dietary Supplements
Digestive system
DNA, Bacterial - analysis
Dysbacteriosis
Feeding
Fruit - chemistry
Fruits
Gastrointestinal Microbiome - drug effects
Gastrointestinal Microbiome - genetics
Gastrointestinal tract
Gene expression
Gene sequencing
Glucose tolerance
Glucose Tolerance Test
High fat diet
Inflammation
Inflammation - prevention & control
Insulin
Insulin receptor substrate 1
Insulin resistance
Insulin Resistance - physiology
Interleukin 1
Intestine
Liver - drug effects
Male
Mucin
Nutrition and Disease
Obesity
Phosphorylation
Plant Extracts - administration & dosage
Powder
Rats
Rats, Wistar
Ribonucleic acid
RNA
Rodents
rRNA 16S
Sequence Analysis, DNA
Serine
Substrates
Sugar
Villus
title Blueberry Supplementation Influences the Gut Microbiota, Inflammation, and Insulin Resistance in High-Fat-Diet-Fed Rats
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