2022
Pseudohypoxic HIF pathway activation dysregulates collagen structure-function in human lung fibrosis
Brereton CJ, Yao L, Davies ER, Zhou Y, Vukmirovic M, Bell JA, Wang S, Ridley RA, Dean L, Andriotis OG, Conforti F, Brewitz L, Mohammed S, Wallis T, Tavassoli A, Ewing RM, Alzetani A, Marshall BG, Fletcher SV, Thurner PJ, Fabre A, Kaminski N, Richeldi L, Bhaskar A, Schofield CJ, Loxham M, Davies DE, Wang Y, Jones MG. Pseudohypoxic HIF pathway activation dysregulates collagen structure-function in human lung fibrosis. ELife 2022, 11: e69348. PMID: 35188460, PMCID: PMC8860444, DOI: 10.7554/elife.69348.Peer-Reviewed Original ResearchConceptsHIF pathway activationPathway activationLung fibrosisOxidative stressHuman lung fibrosisOxidative stress scoreFibrillar collagen synthesisHypoxia-inducible factor (HIF) pathway activationExtracellular matrixActive fibrogenesisFibrosisHuman fibrosisFibrosis tissueHIF activationStress scoresVivo studiesCollagen synthesisMesenchymal cellsCritical pathwaysDownstream activationNormal fibroblastsCritical regulatorHIFActivationHuman tissues
2021
Fibroblasts positive for meflin have anti-fibrotic properties in pulmonary fibrosis
Nakahara Y, Hashimoto N, Sakamoto K, Enomoto A, Adams TS, Yokoi T, Omote N, Poli S, Ando A, Wakahara K, Suzuki A, Inoue M, Hara A, Mizutani Y, Imaizumi K, Kawabe T, Rosas IO, Takahashi M, Kaminski N, Hasegawa Y. Fibroblasts positive for meflin have anti-fibrotic properties in pulmonary fibrosis. European Respiratory Journal 2021, 58: 2003397. PMID: 34049947, DOI: 10.1183/13993003.03397-2020.Peer-Reviewed Original ResearchConceptsIdiopathic pulmonary fibrosisPulmonary fibrosisAnti-fibrotic propertiesRole of fibroblastsFibroblastic fociPathogenesis of IPFLung fibrosis modelSenescence-associated secretory phenotypeNormal lung samplesMesenchymal stromal cellsIPF patientsIPF lungsDense fibrosisPathological hallmark lesionsFibrosis modelFibrotic lungsHallmark lesionsSingle-cell atlasActive fibrogenesisElderly individualsLung samplesFibrosisSingle-cell RNA sequencingFibrotic regionsSecretory phenotype