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

Journal Article · · eLife
DOI:https://doi.org/10.7554/eLife.10935· OSTI ID:1238288
 [1]; ORCiD logo [1];  [1];  [2];  [1];  [1];  [1];  [1]
  1. UCLA, Los Angeles, CA (United States); UCLA-DOE Inst. for Genomics and Proteomics, Los Angeles, CA (United States)
  2. UCLA-DOE Inst. for Genomics and Proteomics, Los Angeles, CA (United States); UCLA, Los Angeles, CA (United States)

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.

Research Organization:
Argonne National Laboratory (ANL), Argonne, IL (United States)
Sponsoring Organization:
National Inst. of Health; National Inst. of General Medical Sciences
Grant/Contract Number:
AG048120; R25GM055052
OSTI ID:
1238288
Journal Information:
eLife, Vol. 4, Issue 11, 2015; ISSN 2050-084X
Publisher:
eLife Sciences Publications, Ltd.Copyright Statement
Country of Publication:
United States
Language:
ENGLISH
Citation Metrics:
Cited by: 37 works
Citation information provided by
Web of Science

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Cited By (8)

Cryo-EM structure of cardiac amyloid fibrils from an immunoglobulin light chain AL amyloidosis patient journal March 2019
Concurrent structural and biophysical traits link with immunoglobulin light chains amyloid propensity journal December 2017
Role of domain interactions in the aggregation of full-length immunoglobulin light chains journal December 2018
Stabilization of amyloidogenic immunoglobulin light chains by small molecules journal April 2019
Emerging therapeutic targets currently under investigation for the treatment of systemic amyloidosis journal October 2017
Systemic amyloidosis: novel therapies and role of biomarkers journal August 2016
Cryo-EM structure of cardiac amyloid fibrils from an immunoglobulin light chain (AL) amyloidosis patient journal October 2018
AL amyloidosis: from molecular mechanisms to targeted therapies journal December 2017

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