Madhurima Das

Madhurima Das
Boston University | BU · Department of Physiology and Biophysics

About

8
Publications
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154
Citations

Publications

Publications (8)
Article
Hereditary apolipoprotein A-I (apoA-I) amyloidosis is a life-threatening incurable genetic disorder whose molecular underpinnings are unclear. In this disease, variant apoA-I, the major structural and functional protein of high-density lipoprotein, is released in a free form, undergoes an alpha-helix to intermolecular cross-beta-sheet conversion al...
Article
Plasma high-density lipoproteins (HDLs) are protein–lipid nanoparticles that transport lipids and protect against atherosclerosis. Human apolipoprotein A-I (apoA-I) is the principal HDL protein whose mutations can cause either aberrant lipid metabolism or amyloid disease. Hydrogen–deuterium exchange (HDX) mass spectrometry (MS) was used to study th...
Article
ApoA-I, the major protein of plasma high-density lipoprotein, removes cellular cholesterol and protects against atherosclerosis. ApoA-I mutations can cause familial amyloidosis, a life-threatening disease wherein N-terminal protein fragments form fibrils in vital organs. To unveil the protein misfolding mechanism and to understand why some mutation...
Article
Apolipoproteins are protein constituents of lipoproteins that transport cholesterol and fat in circulation and are central to cardiovascular health and disease. Soluble apolipoproteins can transiently dissociate from the lipoprotein surface in a labile free form that can misfold, potentially leading to amyloid disease. Misfolding of apoA-I, apoA-II...
Article
Full-text available
High-density lipoproteins (HDLs) and their major protein, apoA-I, remove excess cellular cholesterol and protect against atherosclerosis. However, in acquired amyloidosis, non-variant full-length apoA-I deposits as fibrils in atherosclerotic plaques; in familial amyloidosis, N-terminal fragments of variant apoA-I deposit in vital organs damaging th...

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