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Inhibition by small-molecule ligands of formation of amyloid fibrils of an immunoglobulin light chain variable domain.

Boris Brumshtein | Shannon R Esswein | Lukasz Salwinski | Martin L Phillips | Alan T Ly | Duilio Cascio | Michael R Sawaya | David S Eisenberg
eLife | 2015

Overproduction of immunoglobulin light chains leads to systemic amyloidosis, a lethal disease characterized by the formation of amyloid fibrils in patients' tissues. Excess light chains are in equilibrium between dimers and less stable monomers which can undergo irreversible aggregation to the amyloid state. The dimers therefore must disassociate into monomers prior to forming amyloid fibrils. Here we identify ligands that inhibit amyloid formation by stabilizing the Mcg light chain variable domain dimer and shifting the equilibrium away from the amyloid-prone monomer.

Pubmed ID: 26576950

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Associated grants

  • Agency: NIGMS NIH HHS, United States
    Id: R25 GM055052
  • Agency: NIA NIH HHS, United States
    Id: RF1 AG048120
  • Agency: NIGMS NIH HHS, United States
    Id: R25GM055052
  • Agency: NIA NIH HHS, United States
    Id: AG048120

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Bioinformatics and cheminformatics database that combines detailed drug (i.e. chemical, pharmacological and pharmaceutical) data with comprehensive drug target (i.e. sequence, structure, and pathway) information.

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