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A rare syndromic craniosynostosis characterized by craniosynostosis with midface hypoplasia, radiohumeral synostosis, femoral bowing and joint contractures.
CDK4/6 inhibition with Palbociclib reduces hyperactive osteoblast proliferation from FGFR2 mutations, while cholesterol provides substrate bypass for impaired steroidogenesis. Dual pathway normalization addresses both skeletal and hormonal phenotypes.
ERK1/2 phosphorylates POR at Ser457, disrupting FAD/NADPH binding. Ulixertinib prevents this phosphorylation, restoring electron transfer efficiency to CYP17A1 and improving steroid biosynthesis in compound heterozygous POR mutations.
Prime editing introduces synonymous mutations to optimize codon usage around common ABS mutation sites (codons 347, 358), improving mRNA stability and ribosomal processivity without altering amino acid sequence. Enhanced translation efficiency compensates for reduced specific activity.
Andrographolide from Andrographis paniculata binds HSP90ฮฒ, stabilizing mutant CYP17A1 protein folding and preventing ER-associated degradation. Enhanced chaperone activity restores partial 17ฮฑ-hydroxylase/17,20-lyase enzymatic function through improved cofactor binding affinity.
Ayurvedic Rasayana compounds (Withanoside IV, Bacosides) modulate SIRT1/p53/p21 pathway, reversing premature osteoblast senescence caused by FGFR2 gain-of-function mutations. Restored cellular proliferation normalizes craniosynostosis progression.
Senkyunolide A from Ligusticum chuanxiong alters membrane cholesterol distribution, disrupting FGFR2 homodimerization in lipid rafts. Reduced receptor clustering attenuates downstream MAPK signaling, normalizing osteoblast differentiation timing.
Autologous mitochondrial transfer to adrenal cortical cells restores NADPH regeneration capacity impaired by POR mutations. Enhanced electron transport chain function supports both CYP17A1 activity and overall steroidogenic enzyme cofactor availability.