0000000000610804

AUTHOR

Sakari Välimäki

0000-0002-4777-8157

showing 2 related works from this author

Adipocytes as a Link Between Gut Microbiota-Derived Flagellin and Hepatocyte Fat Accumulation

2016

While the role of both elevated levels of circulating bacterial cell wall components and adipose tissue in hepatic fat accumulation has been recognized, it has not been considered that the bacterial components-recognizing adipose tissue receptors contribute to the hepatic fat content. In this study we found that the expression of adipose tissue bacterial flagellin (FLG)-recognizing Toll-like receptor (TLR) 5 associated with liver fat content (r = 0.699, p = 0.003) and insulin sensitivity (r = -0.529, p = 0.016) in humans (n = 23). No such associations were found for lipopolysaccharides (LPS)-recognizing TLR4. To study the underlying molecular mechanisms of these associations, human HepG2 he…

0301 basic medicineGlycerollcsh:MedicineAdipose tissueWhite adipose tissueflagellinBiochemistryImmune ReceptorsFatsEndocrinologyAnimal CellsAdipocytesMedicine and Health SciencesInsulinlcsh:ScienceToll-like ReceptorsConnective Tissue CellsMultidisciplinaryImmune System ProteinsbiologyLiver DiseasesFatty liverin kaltaiset reseptorit [toll]Lipidsadipose tissuePhysical sciencesChemistryMitochondrial respiratory chainAdipose TissueConnective Tissuebacterial componentsCellular TypesAnatomyinsuline sensitivityResearch ArticleSignal Transductionmedicine.medical_specialtyadipocytesImmunologyMonomers (Chemistry)Gastroenterology and Hepatologyta311103 medical and health sciencesInsulin resistanceInternal medicinemedicinePolymer chemistryDiabetic Endocrinologylcsh:Rta1183ta1182Biology and Life SciencesProteinsCell Biologyliver fatmedicine.diseasehepatic fatfat accumulationHormonesIRS1Fatty LiverInsulin receptor030104 developmental biologyEndocrinologyBiological TissueTLR5biology.proteinlcsh:QPLoS ONE
researchProduct

An in vitro model to study the adipose tissue toll-like receptor -mediated effects of gut microbiota on non-alcoholic fatty liver disease development

2017

Alkoholista riippumaton rasvamaksa (NAFLD) on maailman yleisin maksasairaus ja saattaa johtaa kirroosin tai maksasyövän kehittymiseen. Viimeaikaisissa tutkimuksissa suolistosta peräisin olevin bakteerimolekyylien, kuten flagelliinin (FLG) ja lipopolysakkaridien (LPS), rooli rasvamaksan kehittymisessä on tunnistettu. Nämä molekyylit saattavat vaikuttaa maksaan välillisesti rasvakudoksen kautta toll-like reseptorien (TLR) signaalireittejä aktivoiden. Tässä tutkimuksessa selvitettiin FLG:n ja LPS:n rasvasoluvälitteisiä vaikutuksia HepG2-hepatoomasoluihin. Hypoteesina oli, että FLG ja LPS lisäisivät HepG2 soluissa rasvan kerääntymistä, insuliiniresistenssiä ja tulehdusta, joita mitattiin kvanti…

reseptorittoll-like reseptorialkoholista riippumaton rasvamaksarasvamaksa
researchProduct