80 likes | 242 Views
Analysis of shotgun proteomics datasets. Federica Montanaro Center for Gene Therapy September 13, 2011. Dystrophin – 427kDa. Membrane anchoring. Lipid interactions. Signaling pathways. Actin filaments. Diseases associated with dystrophin. Duchenne Muscular Dystrophy Childhood onset
E N D
Analysis of shotgun proteomics datasets Federica Montanaro Center for Gene Therapy September 13, 2011
Dystrophin – 427kDa Membrane anchoring Lipid interactions Signaling pathways Actin filaments
Diseases associated with dystrophin • Duchenne Muscular Dystrophy • Childhood onset • Progressive loss of muscle function • Cardiomyopathy • Becker Muscular Dystrophy • Teen/Adult onset • Progressive loss of muscle function • Cardiomyopathy • X-Linked Dilated Cardiomyopathy • Teen/Adult onset • Severe cardiomyopathy
Will Ray Modeling spectrin repeat structure Repeat B Repeat A Helix 1 Helix 2 Helix 1 Helix 2 Folded
Modeling of mutations P = 0.002 36.5 years 25.5 years 70 60 50 40 Age (years) 30 20 10 Hinge 3 0 IN OUT Spectrin Repeat Phasing New hinge
Piecing the puzzle together Vimentin Vinculin Mia3 ? Ahnak Tfg Mek Cypher Citro Cryab Desmin