Molecular mechanisms of TDP-43 misfolding and pathology in amyotrophic lateral sclerosis

A Prasad, V Bharathi, V Sivalingam… - Frontiers in molecular …, 2019 - frontiersin.org
TAR DNA binding protein 43 (TDP-43) is a versatile RNA/DNA binding protein involved in
RNA-related metabolism. Hyper-phosphorylated and ubiquitinated TDP-43 deposits act as …

Endoplasmic reticulum stress and unfolded protein response in neurodegenerative diseases

R Ghemrawi, M Khair - International journal of molecular sciences, 2020 - mdpi.com
The endoplasmic reticulum (ER) is an important organelle involved in protein quality control
and cellular homeostasis. The accumulation of unfolded proteins leads to an ER stress …

Protein quality control by molecular chaperones in neurodegeneration

A Ciechanover, YT Kwon - Frontiers in neuroscience, 2017 - frontiersin.org
Protein homeostasis (proteostasis) requires the timely degradation of misfolded proteins and
their aggregates by protein quality control (PQC), of which molecular chaperones are an …

ER–mitochondria associations are regulated by the VAPB–PTPIP51 interaction and are disrupted by ALS/FTD-associated TDP-43

R Stoica, KJ De Vos, S Paillusson, S Mueller… - Nature …, 2014 - nature.com
Mitochondria and the endoplasmic reticulum (ER) form tight structural associations and
these facilitate a number of cellular functions. However, the mechanisms by which regions of …

Disturbance of endoplasmic reticulum proteostasis in neurodegenerative diseases

C Hetz, B Mollereau - Nature Reviews Neuroscience, 2014 - nature.com
The unfolded protein response (UPR) is a homeostatic mechanism by which cells regulate
levels of misfolded proteins in the endoplasmic reticulum (ER). Although it is well …

[HTML][HTML] Cytoplasmic stress granules: Dynamic modulators of cell signaling and disease

H Mahboubi, U Stochaj - Biochimica et Biophysica Acta (BBA)-Molecular …, 2017 - Elsevier
Stress granule (SG) assembly is a conserved cellular strategy to minimize stress-related
damage and promote cell survival. Beyond their fundamental role in the stress response …

Aggregation-prone c9FTD/ALS poly (GA) RAN-translated proteins cause neurotoxicity by inducing ER stress

YJ Zhang, K Jansen-West, YF Xu, TF Gendron… - Acta …, 2014 - Springer
The occurrence of repeat-associated non-ATG (RAN) translation, an atypical form of
translation of expanded repeats that results in the synthesis of homopolymeric expansion …

Atomic structures of TDP-43 LCD segments and insights into reversible or pathogenic aggregation

EL Guenther, Q Cao, H Trinh, J Lu… - Nature structural & …, 2018 - nature.com
The normally soluble TAR DNA-binding protein 43 (TDP-43) is found aggregated both in
reversible stress granules and in irreversible pathogenic amyloid. In TDP-43, the low …

Motor neuron susceptibility in ALS/FTD

AMG Ragagnin, S Shadfar, M Vidal… - Frontiers in …, 2019 - frontiersin.org
Amyotrophic lateral sclerosis (ALS) is a neurodegenerative disease characterized by the
death of both upper and lower motor neurons (MNs) in the brain, brainstem and spinal cord …

Prion-like propagation of protein misfolding and aggregation in amyotrophic lateral sclerosis

L McAlary, SS Plotkin, JJ Yerbury… - Frontiers in molecular …, 2019 - frontiersin.org
The discovery that prion protein can misfold into a pathological conformation that encodes
structural information capable of both propagation and inducing severe neuropathology has …