Search Results - "Hipp, Mark S."
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PolyQ Proteins Interfere with Nuclear Degradation of Cytosolic Proteins by Sequestering the Sis1p Chaperone
Published in Cell (03-07-2013)“…Dysfunction of protein quality control contributes to the cellular pathology of polyglutamine (polyQ) expansion diseases and other neurodegenerative disorders…”
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Molecular chaperone functions in protein folding and proteostasis
Published in Annual review of biochemistry (01-01-2013)“…The biological functions of proteins are governed by their three-dimensional fold. Protein folding, maintenance of proteome integrity, and protein homeostasis…”
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Proteostasis impairment in protein-misfolding and -aggregation diseases
Published in Trends in cell biology (01-09-2014)“…Highlights • Cells possess a complex proteostasis network (PN) to ensure protein homeostasis. • Aggregates permanently engage molecular chaperones and other PN…”
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In Situ Structure of Neuronal C9orf72 Poly-GA Aggregates Reveals Proteasome Recruitment
Published in Cell (08-02-2018)“…Protein aggregation and dysfunction of the ubiquitin-proteasome system are hallmarks of many neurodegenerative diseases. Here, we address the elusive link…”
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The endoplasmic reticulum: A hub of protein quality control in health and disease
Published in Free radical biology & medicine (01-07-2017)“…One third of the eukaryotic proteome is synthesized at the endoplasmic reticulum (ER), whose unique properties provide a folding environment substantially…”
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In Situ Architecture and Cellular Interactions of PolyQ Inclusions
Published in Cell (21-09-2017)“…Expression of many disease-related aggregation-prone proteins results in cytotoxicity and the formation of large intracellular inclusion bodies. To gain…”
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In situ architecture of neuronal α-Synuclein inclusions
Published in Nature communications (14-04-2021)“…The molecular architecture of α-Synuclein (α-Syn) inclusions, pathognomonic of various neurodegenerative disorders, remains unclear. α-Syn inclusions were long…”
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Gel‐like inclusions of C‐terminal fragments of TDP‐43 sequester stalled proteasomes in neurons
Published in EMBO reports (07-06-2022)“…Aggregation of the multifunctional RNA‐binding protein TDP‐43 defines large subgroups of amyotrophic lateral sclerosis and frontotemporal dementia and…”
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The extracellular chaperone Clusterin enhances Tau aggregate seeding in a cellular model
Published in Nature communications (11-08-2021)“…Spreading of aggregate pathology across brain regions acts as a driver of disease progression in Tau-related neurodegeneration, including Alzheimer’s disease…”
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Spatiotemporal Proteomic Profiling of Huntington’s Disease Inclusions Reveals Widespread Loss of Protein Function
Published in Cell reports (Cambridge) (21-11-2017)“…Aggregation of polyglutamine-expanded huntingtin exon 1 (HttEx1) in Huntington’s disease (HD) proceeds from soluble oligomers to late-stage inclusions. The…”
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Sis1 potentiates the stress response to protein aggregation and elevated temperature
Published in Nature communications (08-12-2020)“…Cells adapt to conditions that compromise protein conformational stability by activating various stress response pathways, but the mechanisms used in sensing…”
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Molecular and structural architecture of polyQ aggregates in yeast
Published in Proceedings of the National Academy of Sciences - PNAS (10-04-2018)“…Huntington’s disease is caused by the expansion of a polyglutamine (polyQ) tract in the N-terminal exon of huntingtin (HttEx1), but the cellular mechanisms…”
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Role for ribosome-associated quality control in sampling proteins for MHC class I-mediated antigen presentation
Published in Proceedings of the National Academy of Sciences - PNAS (25-02-2020)“…Mammalian cells present a fingerprint of their proteome to the adaptive immune system through the display of endogenous peptides on MHC-I complexes…”
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The AAA+ chaperone VCP disaggregates Tau fibrils and generates aggregate seeds in a cellular system
Published in Nature communications (02-02-2023)“…Amyloid-like aggregates of the microtubule-associated protein Tau are associated with several neurodegenerative disorders including Alzheimer’s disease. The…”
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Indirect inhibition of 26S proteasome activity in a cellular model of Huntington's disease
Published in The Journal of cell biology (05-03-2012)“…Pathognomonic accumulation of ubiquitin (Ub) conjugates in human neurodegenerative diseases, such as Huntington's disease, suggests that highly aggregated…”
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Multiple pathways of toxicity induced by C9orf72 dipeptide repeat aggregates and G4C2 RNA in a cellular model
Published in eLife (23-06-2021)“…The most frequent genetic cause of amyotrophic lateral sclerosis and frontotemporal dementia is a G 4 C 2 repeat expansion in the C9orf72 gene. This expansion…”
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An inventory of interactors of the human HSP60/HSP10 chaperonin in the mitochondrial matrix space
Published in Cell stress & chaperones (01-05-2020)“…The HSP60/HSP10 chaperonin assists folding of proteins in the mitochondrial matrix space by enclosing them in its central cavity. The chaperonin forms part of…”
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Ubiquitin accumulation in autophagy-deficient mice is dependent on the Nrf2-mediated stress response pathway: a potential role for protein aggregation in autophagic substrate selection
Published in The Journal of cell biology (01-11-2010)“…Genetic ablation of autophagy in mice leads to liver and brain degeneration accompanied by the appearance of ubiquitin (Ub) inclusions, which has been…”
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High capacity of the endoplasmic reticulum to prevent secretion and aggregation of amyloidogenic proteins
Published in The EMBO journal (01-02-2018)“…Protein aggregation is associated with neurodegeneration and various other pathologies. How specific cellular environments modulate the aggregation of disease…”
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Overexpression of Q-rich prion-like proteins suppresses polyQ cytotoxicity and alters the polyQ interactome
Published in Proceedings of the National Academy of Sciences - PNAS (23-12-2014)“…Expansion of a poly-glutamine (polyQ) repeat in a group of functionally unrelated proteins is the cause of several inherited neurodegenerative disorders,…”
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