2024
microRNA-33 controls hunger signaling in hypothalamic AgRP neurons
Price N, Fernández-Tussy P, Varela L, Cardelo M, Shanabrough M, Aryal B, de Cabo R, Suárez Y, Horvath T, Fernández-Hernando C. microRNA-33 controls hunger signaling in hypothalamic AgRP neurons. Nature Communications 2024, 15: 2131. PMID: 38459068, PMCID: PMC10923783, DOI: 10.1038/s41467-024-46427-0.Peer-Reviewed Original ResearchConceptsAgRP neuronsFeeding behaviorFatty acid metabolismNon-coding RNAsMitochondrial biogenesisRegulatory pathwaysTarget genesHypothalamic AgRP neuronsExcessive nutrient intakeCentral regulatorBioenergetic processesAcid metabolismActivation of AgRP neuronsModulate feeding behaviorCentral regulation of feeding behaviorRegulation of feeding behaviorMiR-33Hunger signalsMicroRNA-33Metabolic diseasesAlternative therapeutic approachLoss of miR-33Mouse modelMetabolic dysfunctionRegulation
2021
Hepatocyte-specific suppression of ANGPTL4 improves obesity-associated diabetes and mitigates atherosclerosis in mice
Singh AK, Chaube B, Zhang X, Sun J, Citrin KM, Canfrán-Duque A, Aryal B, Rotllan N, Varela L, Lee RG, Horvath TL, Price N, Suárez Y, Fernandez-Hernando C. Hepatocyte-specific suppression of ANGPTL4 improves obesity-associated diabetes and mitigates atherosclerosis in mice. Journal Of Clinical Investigation 2021, 131 PMID: 34255741, PMCID: PMC8409581, DOI: 10.1172/jci140989.Peer-Reviewed Original ResearchDiet-induced obesityGlucose intoleranceHigh-fat fed conditionsLipoprotein lipaseExcess hepatic lipid accumulationSystemic metabolic dysfunctionRole of ANGPTL4Liver lipid metabolismHepatic lipid accumulationTargeted pharmacologic therapyANGPTL4 gene expressionMetabolic turnover studiesHepatic lipase activityObesity-associated diabetesFatty acidsNovel inhibition strategiesPharmacologic therapyLiver steatosisLiver damageLipoprotein remnantsCholesterol levelsMetabolic dysfunctionHepatic uptakeANGPTL4 deficiencyHL activity
2016
Caloric restriction of db/db mice reverts hepatic steatosis and body weight with divergent hepatic metabolism
Kim KE, Jung Y, Min S, Nam M, Heo RW, Jeon BT, Song DH, Yi CO, Jeong EA, Kim H, Kim J, Jeong SY, Kwak W, Ryu do H, Horvath TL, Roh GS, Hwang GS. Caloric restriction of db/db mice reverts hepatic steatosis and body weight with divergent hepatic metabolism. Scientific Reports 2016, 6: 30111. PMID: 27439777, PMCID: PMC4954985, DOI: 10.1038/srep30111.Peer-Reviewed Original ResearchConceptsNon-alcoholic fatty liver diseaseDb/db miceDb miceEffects of CRCaloric restrictionLiver diseaseHepatic steatosisHepatic metabolismObese diabetic db/db miceBody weightDiabetic db/db miceFatty liver diseaseObesity-related diseasesInflammation-related proteinsSignificant metabolic alterationsMultiple pathological mechanismsEndoplasmic reticulum stressWestern blot analysisMultiple complicationsInsulin resistanceLipocalin-2Metabolic dysfunctionTherapeutic effectFrequent causeClinical problem