Hutchinson-Gilford progeria syndrome is an ultra-rare pediatric premature aging disorder caused by a de novo mutation in the LMNA gene. This study identified a new signaling pathway implicated in the pathogenesis of this disease, namely JAK-STAT. Inhibition of this pathway with baricitinib ameliorated the clinical picture of HGPS cells and age-associated abnormalities in "healthy" aged cells. Combination of baricitinib and lonafarnib reduced FTI-induced side effects and further improved the HGPS cellular phenotype. This treatment could show promise for HGPS and age-related pathologies.
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Hutchinson-Gilford progeria syndrome is an ultra-rare pediatric premature aging disorder caused by a de novo mutation in the LMNA gene. This study identified a new signaling pathway implicated in the pathogenesis of this disease, namely JAK-STAT. Inhibition of this pathway with baricitinib ameliorated the clinical picture of HGPS cells and age-associated abnormalities in "healthy" aged cells. Combination of baricitinib and lonafarnib reduced FTI-induced side effects and further improved the HGPS...
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