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Do Probiotics Protect Against the Deleterious Effects of a High-Fat Diet?- [electronic resource]
Do Probiotics Protect Against the Deleterious Effects of a High-Fat Diet? - [electronic re...
Do Probiotics Protect Against the Deleterious Effects of a High-Fat Diet?- [electronic resource]

상세정보

자료유형  
 학위논문(국외)
자관 청구기호  
기본표목-개인명  
표제와 책임표시사항  
Do Probiotics Protect Against the Deleterious Effects of a High-Fat Diet? - [electronic resource] / Fundaro, Gabrielle Francesca.
발행, 배포, 간사 사항  
발행, 배포, 간사 사항  
Ann Arbor : ProQuest Dissertations & Theses , 2014
    형태사항  
    1 online resource(90 p)
    일반주기  
    Source: Dissertation Abstracts International, Volume: 79-01(E), Section: B.
    일반주기  
    Adviser: Matthew W. Hulver.
    학위논문주기  
    Thesis (Ph.D.)--Virginia Polytechnic Institute and State University, 2014.
    이용제한주기  
    This item is not available from ProQuest Dissertations & Theses.
    요약 등 주기  
    요약High-fat diets and obesity have been linked to unfavorable changes in gut bacteria and increased leakage of bacterially-derived lipopolysaccharide (endotoxin) from the intestinal tract into circulation, which is associated with low-grade inflammation, metabolic dysregulation and degradation of tight-junction proteins between intestinal cells. Probiotic supplementation is the practice of ingesting live strains of bacteria that are proposed to have a beneficial effect on the host by enriching the intestine with healthy bacteria. The purpose of this project was to determine if probiotic supplementation would prevent increased inflammatory tone, decreased oxidative capacity, and decreased tightjunction protein expression associated with high-fat feeding and elevated endogenous endotoxin. Male C57BL/6J mice were fed either a control (CD, 10% fat) or high-fat (HFD, 60% fat) diet for 4 weeks while receiving a daily oral gavage of water (C-VSL#3, HF-VSL#3) or probiotics (C+VSL#3, HF+VSL#3) equivalent to 1.2 billion live cultures. Changes in body weight, body composition, respiratory exchange ratio, energy expenditure, and glucose and insulin tolerance were measured in live mice. Markers of metabolic function were measured in whole muscle homgenates and mitochondria isolated from red and white skeletal muscle. Plasma endotoxin was measured in blood collected from fasted mice at the time of euthanization. The large and small intestines were collected and mRNA levels of tight-junction proteins and markers of nutrient sensing were measured. To determine a possible protective effect against endogenous LPS, a second cohort of mice were given an intraperitoneal injection of 0.1microg/kg LPS or saline to induce endotoxemia after four weeks of the aforementioned feeding protocol. Markers of metabolic function and inflammation were measured in mitochondria, skeletal muscle and liver. VSL#3 supplementation improved glucose homeostasis and markers of inflammation while enhancing nutrient sensing in the gut.
    주제명부출표목-일반주제명  
    주제명부출표목-일반주제명  
    부출표목-단체명  
    기본자료저록  
    Dissertation Abstracts International. 79-01B(E).
    기본자료저록  
    Dissertation Abstract International
    전자적 위치 및 접속  
     원문정보보기
    소장사항  
    20180515 2018

    MARC

     008180601s2014        us          esm        001c    eng
    ■001MOKWON01257815
    ■00520180518094411
    ■007cr
    ■020    ▼a9780355208962
    ■035    ▼a(MiAaPQ)AAI10647423
    ■040    ▼aMiAaPQ▼cMiAaPQ
    ■090    ▼a전자도서(박사논문)
    ■1001  ▼aFundaro,  Gabrielle  Francesca.
    ■24510▼aDo  Probiotics  Protect  Against  the  Deleterious  Effects  of  a  High-Fat  Diet?▼h[electronic  resource]▼cFundaro,  Gabrielle  Francesca.
    ■260    ▼a[Sl]▼bVirginia  Polytechnic  Institute  and  State  University▼c2014
    ■260  1▼aAnn  Arbor▼bProQuest  Dissertations  &  Theses▼c2014
    ■300    ▼a1  online  resource(90  p)
    ■500    ▼aSource:  Dissertation  Abstracts  International,  Volume:  79-01(E),  Section:  B.
    ■500    ▼aAdviser:  Matthew  W.  Hulver.
    ■5021  ▼aThesis  (Ph.D.)--Virginia  Polytechnic  Institute  and  State  University,  2014.
    ■506    ▼aThis  item  is  not  available  from  ProQuest  Dissertations  &  Theses.
    ■520    ▼aHigh-fat  diets  and  obesity  have  been  linked  to  unfavorable  changes  in  gut  bacteria  and  increased  leakage  of  bacterially-derived  lipopolysaccharide  (endotoxin)  from  the  intestinal  tract  into  circulation,  which  is  associated  with  low-grade  inflammation,  metabolic  dysregulation  and  degradation  of  tight-junction  proteins  between  intestinal  cells.  Probiotic  supplementation  is  the  practice  of  ingesting  live  strains  of  bacteria  that  are  proposed  to  have  a  beneficial  effect  on  the  host  by  enriching  the  intestine  with  healthy  bacteria.  The  purpose  of  this  project  was  to  determine  if  probiotic  supplementation  would  prevent  increased  inflammatory  tone,  decreased  oxidative  capacity,  and  decreased  tightjunction  protein  expression  associated  with  high-fat  feeding  and  elevated  endogenous  endotoxin.  Male  C57BL/6J  mice  were  fed  either  a  control  (CD,  10%  fat)  or  high-fat  (HFD,  60%  fat)  diet  for  4  weeks  while  receiving  a  daily  oral  gavage  of  water  (C-VSL#3,  HF-VSL#3)  or  probiotics  (C+VSL#3,  HF+VSL#3)  equivalent  to  1.2  billion  live  cultures.  Changes  in  body  weight,  body  composition,  respiratory  exchange  ratio,  energy  expenditure,  and  glucose  and  insulin  tolerance  were  measured  in  live  mice.  Markers  of  metabolic  function  were  measured  in  whole  muscle  homgenates  and  mitochondria  isolated  from  red  and  white  skeletal  muscle.  Plasma  endotoxin  was  measured  in  blood  collected  from  fasted  mice  at  the  time  of  euthanization.  The  large  and  small  intestines  were  collected  and  mRNA  levels  of  tight-junction  proteins  and  markers  of  nutrient  sensing  were  measured.  To  determine  a  possible  protective  effect  against  endogenous  LPS,  a  second  cohort  of  mice  were  given  an  intraperitoneal  injection  of  0.1microg/kg  LPS  or  saline  to  induce  endotoxemia  after  four  weeks  of  the  aforementioned  feeding  protocol.  Markers  of  metabolic  function  and  inflammation  were  measured  in  mitochondria,  skeletal  muscle  and  liver.  VSL#3  supplementation  improved  glucose  homeostasis  and  markers  of  inflammation  while  enhancing  nutrient  sensing  in  the  gut.
    ■590    ▼aSchool  code:  0247.
    ■650  4▼aNutrition
    ■650  4▼aHealth  sciences
    ■690    ▼a0570
    ■690    ▼a0566
    ■71020▼aVirginia  Polytechnic  Institute  and  State  University.
    ■7730  ▼tDissertation  Abstracts  International▼g79-01B(E).
    ■773    ▼tDissertation  Abstract  International
    ■790    ▼a0247
    ■791    ▼aPh.D.
    ■792    ▼a2014
    ■793    ▼aEnglish
    ■85640▼uhttp://www.riss.kr/pdu/ddodLink.do?id=T14823898▼nKERIS▼z이  자료의  원문은  한국교육학술정보원에서  제공합니다.
    ■980    ▼a20180515▼f2018

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