Search Results - "Leonard Petrucelli"
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Genetic Convergence Brings Clarity to the Enigmatic Red Line in ALS
Published in Neuron (Cambridge, Mass.) (20-03-2019)“…Amyotrophic lateral sclerosis (ALS) is an aggressive neurodegenerative disorder that orchestrates an attack on the motor nervous system that is unrelenting…”
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Converging pathways in neurodegeneration, from genetics to mechanisms
Published in Nature neuroscience (01-10-2018)“…Neurodegenerative diseases cause progressive loss of cognitive and/or motor function and pose major challenges for societies with rapidly aging populations…”
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Poly(GR) in C9ORF72-Related ALS/FTD Compromises Mitochondrial Function and Increases Oxidative Stress and DNA Damage in iPSC-Derived Motor Neurons
Published in Neuron (Cambridge, Mass.) (19-10-2016)“…GGGGCC repeat expansions in C9ORF72 are the most common genetic cause of both ALS and FTD. To uncover underlying pathogenic mechanisms, we found that DNA…”
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Cross-sectional and longitudinal measures of chitinase proteins in amyotrophic lateral sclerosis and expression of CHI3L1 in activated astrocytes
Published in Journal of neurology, neurosurgery and psychiatry (01-04-2020)“…ObjectiveAmyotrophic lateral sclerosis (ALS) is a complex disease with numerous pathological mechanisms resulting in a heterogeneous patient population. Using…”
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Posttranslational Modifications Mediate the Structural Diversity of Tauopathy Strains
Published in Cell (20-02-2020)“…Tau aggregation into insoluble filaments is the defining pathological hallmark of tauopathies. However, it is not known what controls the formation and…”
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Cellular and pathological heterogeneity of primary tauopathies
Published in Molecular neurodegeneration (23-08-2021)“…Microtubule-associated protein tau is abnormally aggregated in neuronal and glial cells in a range of neurodegenerative diseases that are collectively referred…”
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The ALS disease-associated mutant TDP-43 impairs mitochondrial dynamics and function in motor neurons
Published in Human molecular genetics (01-12-2013)“…Mutations in TDP-43 lead to familial ALS. Expanding evidence suggests that impaired mitochondrial dynamics likely contribute to the selective degeneration of…”
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GGGGCC repeat expansion in C9orf72 compromises nucleocytoplasmic transport
Published in Nature (London) (03-09-2015)“…An unbiased genetic screen in Drosophila expressing G 4 C 2 -repeat-containing transcripts (repeats that in human cause pathogenesis in C9orf72 -related…”
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TIA1 Mutations in Amyotrophic Lateral Sclerosis and Frontotemporal Dementia Promote Phase Separation and Alter Stress Granule Dynamics
Published in Neuron (Cambridge, Mass.) (16-08-2017)“…Amyotrophic lateral sclerosis (ALS) and frontotemporal dementia (FTD) are age-related neurodegenerative disorders with shared genetic etiologies and…”
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The role of tau in neurodegeneration
Published in Molecular neurodegeneration (11-03-2009)“…Since the identification of tau as the main component of neurofibrillary tangles in Alzheimer's disease and related tauopathies, and the discovery that…”
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Microglial translational profiling reveals a convergent APOE pathway from aging, amyloid, and tau
Published in The Journal of experimental medicine (03-09-2018)“…Alzheimer's disease (AD) is an age-associated neurodegenerative disease characterized by amyloidosis, tauopathy, and activation of microglia, the brain…”
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TDP-43 represses cryptic exon inclusion in the FTD–ALS gene UNC13A
Published in Nature (London) (03-03-2022)“…A hallmark pathological feature of the neurodegenerative diseases amyotrophic lateral sclerosis (ALS) and frontotemporal dementia (FTD) is the depletion of…”
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Reduced C9ORF72 function exacerbates gain of toxicity from ALS/FTD-causing repeat expansion in C9orf72
Published in Nature neuroscience (01-05-2020)“…Hexanucleotide expansions in C9orf72 , which encodes a predicted guanine exchange factor, are the most frequent genetic cause of amyotrophic lateral sclerosis…”
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Gain of Toxicity from ALS/FTD-Linked Repeat Expansions in C9ORF72 Is Alleviated by Antisense Oligonucleotides Targeting GGGGCC-Containing RNAs
Published in Neuron (Cambridge, Mass.) (04-05-2016)“…Hexanucleotide expansions in C9ORF72 are the most frequent genetic cause of amyotrophic lateral sclerosis and frontotemporal dementia. Disease mechanisms were…”
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TDP-43 pathology disrupts nuclear pore complexes and nucleocytoplasmic transport in ALS/FTD
Published in Nature neuroscience (01-02-2018)“…The cytoplasmic mislocalization and aggregation of TAR DNA-binding protein-43 (TDP-43) is a common histopathological hallmark of the amyotrophic lateral…”
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TDP-43 and other hnRNPs regulate cryptic exon inclusion of a key ALS/FTD risk gene, UNC13A
Published in PLoS biology (17-03-2023)“…A major function of TAR DNA-binding protein-43 (TDP-43) is to repress the inclusion of cryptic exons during RNA splicing. One of these cryptic exons is in…”
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ER–mitochondria associations are regulated by the VAPB–PTPIP51 interaction and are disrupted by ALS/FTD-associated TDP-43
Published in Nature communications (03-06-2014)“…Mitochondria and the endoplasmic reticulum (ER) form tight structural associations and these facilitate a number of cellular functions. However, the mechanisms…”
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Acetylation of the KXGS motifs in tau is a critical determinant in modulation of tau aggregation and clearance
Published in Human molecular genetics (01-01-2014)“…The accumulation of hyperphosphorylated tau in neurofibrillary tangles (NFTs) is a neuropathological hallmark of tauopathies, including Alzheimer's disease…”
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Truncated stathmin-2 is a marker of TDP-43 pathology in frontotemporal dementia
Published in The Journal of clinical investigation (01-11-2020)“…No treatment for frontotemporal dementia (FTD), the second most common type of early-onset dementia, is available, but therapeutics are being investigated to…”
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RNA Toxicity from the ALS/FTD C9ORF72 Expansion Is Mitigated by Antisense Intervention
Published in Neuron (Cambridge, Mass.) (16-10-2013)“…A hexanucleotide GGGGCC repeat expansion in the noncoding region of the C9ORF72 gene is the most common genetic abnormality in familial and sporadic…”
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