资源描述:
《Treating Dysbiosis》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、TreatingDysbiosisByDr.NatashaWolf,BScHNDTheGISystemandMicrobiomeInteractionTheentiregastrointestinal(GI)systemplaysamassiveroleinhumanhealth,includingnutrientabsorption,wasteelimination,protectionagainstharmfulmicrobes,andprovidingahostenvironmentforsymbioticbacteria.Inturn,thecomposition
2、oftheGIsystemmicrofloraisanimportantfactorinthemaintenanceofnormalGIsystemfunctionandoverallhealth.Consistingof1014 bacteria1 andtypicallyweighingaroundthreepounds,theGIsystemmicrobiomecanbeviewedasanimportantmetabolicorgan.Whenfunctioningoptimally,ahealthymicrobiomesupportsproductionofce
3、rtainB-vitaminsandvitaminK2,3,enhancestheimmunesystem4,improvesgastrointestinalmotilityandtransittime5,increasesnutrientabsorption6,inhibitspathogenicorganisms3,isinvolvedinhormone 7 anddrugmetabolism8,andhelpstosupportthenormalfunctionofintestinalepithelialcells.DysbiosisAccordingtoprobi
4、oticresearcherDr.NigelPlummer,thenormalhumanmicrobiotaisthe“commensalmicrobialpopulationwhichresideswithinthehuman…whichisbothpersistentandstable,andwhichdoesnotelicitanacuteimmuneresponse”.Alterationstothenormalcompositionofthemicrobiomeareknownas“dysbiosis”9.Dysbiosistypicallyinvolvesde
5、creasedpopulationsofcommensalbacteriaandanovergrowthofpathogenicbacteria10.Thisresultsinimpairedintestinalfunction,andincreasedinflammationandimmunesensitization10,11.Dysbiosisisassociatedwithnumerouschronichealthconditionsincluding:GISystemDisorders§Irritableboweldisease(IBS)§Inflammator
6、yboweldisease(IBD)InflammatorySkinConditions§Eczema§Psoriasis§AcneTheEffectsofDysbiosisWhendysbiosisoccurs,thenormaltightjunctionsinhealthymucosalliningbecomeleakyandinflamed. DysbiosisisthereforeoneofthecausesoffoodsensitivitiesandGIinflammation,alsocalledleakygut. Leakygutsyndromeoccurs
7、whenbacteriaanddietaryantigensleakthroughthemucosalbarrier,causinginflammationinthelaminapropriaandincreasedintestinalpermeability.Dysbiosistriggersanabnormalimmuneresponseandresultsinanimbalanceofthecell-mediated(Th1)andantibody-mediated(Th2)immuneresponses12. TheT