Cathepsin B promotes collagen biosynthesis, which drives bronchiolitis obliterans syndrome
Morrone C, Smirnova NF, Jeridi A, Kneidinger N, Hollauer C, Schupp JC, Kaminski N, Jenne D, Eickelberg O, Yildirim AÖ. Cathepsin B promotes collagen biosynthesis, which drives bronchiolitis obliterans syndrome. European Respiratory Journal 2020, 57: 2001416. PMID: 33303550, DOI: 10.1183/13993003.01416-2020.Peer-Reviewed Original ResearchConceptsBronchoalveolar lavage fluidCathepsin B activityHealthy donorsLung tissueCollagen depositionB activityCathepsin BBronchiolitis obliterans syndromeProgression of BOSFluorescence resonance energy transfer-based assayPromising therapeutic targetGrowth factor-β1Cathepsin B levelsSubsequent collagen depositionBOS pathogenesisBOS patientsBOS progressionLTx patientsLymphocytic bronchiolitisObliterans syndromeLung transplantationPeribronchial fibrosisPulmonary dysfunctionLung functionMajor complications