2023
Let-7 suppresses liver fibrosis by inhibiting hepatocyte apoptosis and TGF-β production
Song J, Lv H, Liu B, Hao M, Taylor H, Zhang X, Li D, Huang Y. Let-7 suppresses liver fibrosis by inhibiting hepatocyte apoptosis and TGF-β production. Molecular Metabolism 2023, 78: 101828. PMID: 37898449, PMCID: PMC10641683, DOI: 10.1016/j.molmet.2023.101828.Peer-Reviewed Original ResearchConceptsFas-mediated apoptosisLet-7Hepatocyte apoptosisNegative feedback loopMouse primary hepatocytesLet-7 miRNAsTGF-b signalingSignaling networksApoptosis of hepatocytesTransient transfectionFas expressionInhibiting hepatocyte apoptosisSiRNA knockdownLet-7 expressionLet-7 overexpressionMouse modelApoptosisPrimary hepatocytesSuppressed hepatocyte apoptosisTET3Liver fibrosisFeedback loopExpressionDriver of liver fibrosisAdeno-associated viral vectors
2022
Let-7 underlies metformin-induced inhibition of hepatic glucose production
Xie D, Chen F, Zhang Y, Shi B, Song J, Chaudhari K, Yang SH, Zhang GJ, Sun X, Taylor HS, Li D, Huang Y. Let-7 underlies metformin-induced inhibition of hepatic glucose production. Proceedings Of The National Academy Of Sciences Of The United States Of America 2022, 119: e2122217119. PMID: 35344434, PMCID: PMC9169108, DOI: 10.1073/pnas.2122217119.Peer-Reviewed Original ResearchConceptsHepatic glucose productionAntidiabetic effectsMouse modelGlucose productionPotent antidiabetic actionsHepatocyte nuclear factor 4 alphaNuclear factor 4 alphaFunction mouse modelsHuman primary hepatocytesMetformin-induced inhibitionAntidiabetic actionTherapeutic effectGlucose homeostasisSuprapharmacological concentrationsRelevant dosesHepatic deliveryMetforminFetal isoformsPotential therapeuticsPrimary hepatocytesMost studiesLet-7Regulatory pathwaysHyperglycemiaDiabetes
2014
The H19/let-7 double-negative feedback loop contributes to glucose metabolism in muscle cells
Gao Y, Wu F, Zhou J, Yan L, Jurczak MJ, Lee HY, Yang L, Mueller M, Zhou XB, Dandolo L, Szendroedi J, Roden M, Flannery C, Taylor H, Carmichael GG, Shulman GI, Huang Y. The H19/let-7 double-negative feedback loop contributes to glucose metabolism in muscle cells. Nucleic Acids Research 2014, 42: 13799-13811. PMID: 25399420, PMCID: PMC4267628, DOI: 10.1093/nar/gku1160.Peer-Reviewed Original ResearchConceptsDouble-negative feedback loopLet-7PI3K/Akt-dependent phosphorylationLet-7 targetsHuman genetic disordersAkt-dependent phosphorylationMuscle cellsInsulin-resistant rodentsSponge lncRNAsMolecular spongeH19 lncRNAFeedback loopGrowth controlDepletion resultsH19Impaired insulinLncRNAsTarget miRNAGlucose uptakeGenetic disordersBiogenesisCellsKSRPPhosphorylationMicroRNAs