The pathobiology of perturbed mutant huntingtin protein–protein interactions in Huntington's disease

EE Wanker, A Ast, F Schindler, P Trepte… - Journal of …, 2019 - Wiley Online Library
Mutations are at the root of many human diseases. Still, we largely do not exactly
understand how they trigger pathogenesis. One, more recent, hypothesis has been that they …

[HTML][HTML] Understanding molecular mechanisms of biologics drug delivery and stability from NMR spectroscopy

P Phyo, X Zhao, AC Templeton, W Xu… - Advanced Drug Delivery …, 2021 - Elsevier
Protein therapeutics carry inherent limitations of membrane impermeability and structural
instability, despite their predominant role in the modern pharmaceutical market. Effective …

[HTML][HTML] In situ architecture and cellular interactions of PolyQ inclusions

FJB Bäuerlein, I Saha, A Mishra, M Kalemanov… - Cell, 2017 - cell.com
Expression of many disease-related aggregation-prone proteins results in cytotoxicity and
the formation of large intracellular inclusion bodies. To gain insight into the role of inclusions …

The structure of pathogenic huntingtin exon 1 defines the bases of its aggregation propensity

CA Elena-Real, A Sagar, A Urbanek… - Nature structural & …, 2023 - nature.com
Huntington's disease is a neurodegenerative disorder caused by a CAG expansion in the
first exon of the HTT gene, resulting in an extended polyglutamine (poly-Q) tract in huntingtin …

Pathologic polyglutamine aggregation begins with a self-poisoning polymer crystal

T Kandola, S Venkatesan, J Zhang, BT Lerbakken… - Elife, 2023 - elifesciences.org
A long-standing goal of amyloid research has been to characterize the structural basis of the
rate-determining nucleating event. However, the ephemeral nature of nucleation has made …

Integrative determination of atomic structure of mutant huntingtin exon 1 fibrils implicated in Huntington disease

M Bagherpoor Helabad, I Matlahov, R Kumar… - Nature …, 2024 - nature.com
Neurodegeneration in Huntington's disease (HD) is accompanied by the aggregation of
fragments of the mutant huntingtin protein, a biomarker of disease progression. A particular …

Sensitivity-enhanced solid-state NMR detection of structural differences and unique polymorphs in pico-to nanomolar amounts of brain-derived and synthetic 42 …

A Wickramasinghe, Y Xiao, N Kobayashi… - Journal of the …, 2021 - ACS Publications
Amyloid-β (Aβ) fibrils in neuritic plaques are a hallmark of Alzheimer's disease (AD). Since
the 42-residue Aβ (Aβ42) fibril is the most pathogenic among different Aβ species, its …

[HTML][HTML] Hidden motions and motion-induced invisibility: Dynamics-based spectral editing in solid-state NMR

I Matlahov, PCA van der Wel - Methods, 2018 - Elsevier
Solid-state nuclear magnetic resonance (ssNMR) spectroscopy enables the structural
characterization of a diverse array of biological assemblies that include amyloid fibrils, non …

Structural basis of huntingtin fibril polymorphism revealed by cryogenic electron microscopy of exon 1 HTT fibrils

S Nazarov, A Chiki, D Boudeffa… - Journal of the American …, 2022 - ACS Publications
The lack of detailed insight into the structure of aggregates formed by the huntingtin protein
(HTT) has hampered the efforts to develop therapeutics and diagnostics targeting pathology …

[HTML][HTML] Protofilament structure and supramolecular polymorphism of aggregated mutant huntingtin exon 1

JC Boatz, T Piretra, A Lasorsa, I Matlahov… - Journal of molecular …, 2020 - Elsevier
Huntington's disease is a progressive neurodegenerative disease caused by expansion of
the polyglutamine domain in the first exon of huntingtin (HttEx1). The extent of expansion …