Search Results - "CHAN, Robin B"
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Neuronal lysosomal dysfunction releases exosomes harboring APP C-terminal fragments and unique lipid signatures
Published in Nature communications (18-01-2018)“…Defects in endolysosomal and autophagic functions are increasingly viewed as key pathological features of neurodegenerative disorders. A master regulator of…”
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Metabolic activity induces membrane phase separation in endoplasmic reticulum
Published in Proceedings of the National Academy of Sciences - PNAS (19-12-2017)“…Membrane phase behavior has been well characterized in model membranes in vitro under thermodynamic equilibrium state. However, the widely observed differences…”
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Role for Lipid Droplet Biogenesis and Microlipophagy in Adaptation to Lipid Imbalance in Yeast
Published in Developmental cell (07-12-2015)“…The immediate responses to inhibition of phosphatidylcholine (PC) biosynthesis in yeast are altered phospholipid levels, slow growth, and defects in the…”
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Increased localization of APP‐C99 in mitochondria‐associated ER membranes causes mitochondrial dysfunction in Alzheimer disease
Published in The EMBO journal (15-11-2017)“…In the amyloidogenic pathway associated with Alzheimer disease (AD), the amyloid precursor protein (APP) is cleaved by β‐secretase to generate a 99‐aa…”
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Endoplasmic reticulum-plasma membrane contact sites integrate sterol and phospholipid regulation
Published in PLoS biology (21-05-2018)“…Tether proteins attach the endoplasmic reticulum (ER) to other cellular membranes, thereby creating contact sites that are proposed to form platforms for…”
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Elevated GM3 plasma concentration in idiopathic Parkinson's disease: A lipidomic analysis
Published in PloS one (17-02-2017)“…Parkinson's disease (PD) is a common neurodegenerative disease whose pathological hallmark is the accumulation of intracellular α-synuclein aggregates in Lewy…”
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Profiling the Essential Nature of Lipid Metabolism in Asexual Blood and Gametocyte Stages of Plasmodium falciparum
Published in Cell host & microbe (09-09-2015)“…During its life cycle, Plasmodium falciparum undergoes rapid proliferation fueled by de novo synthesis and acquisition of host cell lipids. Consistent…”
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Phosphatidylinositol-3-phosphate regulates sorting and processing of amyloid precursor protein through the endosomal system
Published in Nature communications (02-08-2013)“…Defects in endosomal sorting have been implicated in Alzheimer’s disease. Endosomal traffic is largely controlled by phosphatidylinositol-3-phosphate, a…”
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Phospholipase d2 ablation ameliorates Alzheimer's disease-linked synaptic dysfunction and cognitive deficits
Published in The Journal of neuroscience (08-12-2010)“…Growing evidence implicates aberrant lipid signaling in Alzheimer's disease (AD). While phospholipases A2 and C have been recently shown to mediate key actions…”
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10
HS1BP3 negatively regulates autophagy by modulation of phosphatidic acid levels
Published in Nature communications (22-12-2016)“…A fundamental question is how autophagosome formation is regulated. Here we show that the PX domain protein HS1BP3 is a negative regulator of autophagosome…”
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Autophagy and endosomal trafficking inhibition by Vibrio cholerae MARTX toxin phosphatidylinositol-3-phosphate-specific phospholipase A1 activity
Published in Nature communications (26-10-2015)“…Vibrio cholerae , responsible for acute gastroenteritis secretes a large multifunctional-autoprocessing repeat-in-toxin (MARTX) toxin linked to evasion of host…”
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The phospholipase D1 pathway modulates macroautophagy
Published in Nature communications (2010)“…Although macroautophagy is known to be an essential degradative process whereby autophagosomes mediate the engulfment and delivery of cytoplasmic components…”
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13
Behavioural traits propagate across generations via segregated iterative-somatic and gametic epigenetic mechanisms
Published in Nature communications (13-05-2016)“…Parental behavioural traits can be transmitted by non-genetic mechanisms to the offspring. Although trait transmission via sperm has been extensively…”
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14
Phosphatidic acid regulation of PIPKI is critical for actin cytoskeletal reorganization[S]
Published in Journal of lipid research (01-12-2012)“…Type I phosphatidylinositol-4-phosphate 5-kinase (PIPKI) is the main enzyme generating the lipid second messenger phosphatidylinositol-4,5-bisphosphate…”
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15
Implications for lipids during replication of enveloped viruses
Published in Chemistry and physics of lipids (01-06-2010)“…Enveloped viruses, which include many medically important viruses such as human immunodeficiency virus, influenza virus and hepatitis C virus, are…”
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Comparative Lipidomic Analysis of Mouse and Human Brain with Alzheimer Disease
Published in The Journal of biological chemistry (20-01-2012)“…Lipids are key regulators of brain function and have been increasingly implicated in neurodegenerative disorders including Alzheimer disease (AD). Here, a…”
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Cyp8b1 ablation prevents Western diet-induced weight gain and hepatic steatosis because of impaired fat absorption
Published in American journal of physiology: endocrinology and metabolism (01-08-2017)“…Bile acids (BAs) are cholesterol derivatives that regulate lipid metabolism, through their dual abilities to promote lipid absorption and activate BA…”
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Remodeling of the postsynaptic plasma membrane during neural development
Published in Molecular biology of the cell (07-11-2016)“…Neuronal synapses are the fundamental units of neural signal transduction and must maintain exquisite signal fidelity while also accommodating the plasticity…”
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Synaptojanin 1-Mediated PI(4,5)P2 Hydrolysis Is Modulated by Membrane Curvature and Facilitates Membrane Fission
Published in Developmental cell (15-02-2011)“…Phosphatidylinositol-4,5-bisphosphate [PI(4,5)P₂] plays a fundamental role in clathrin-mediated endocytosis. However, precisely how PI(4,5)P₂ metabolism is…”
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α-Synuclein-independent histopathological and motor deficits in mice lacking the endolysosomal Parkinsonism protein Atp13a2
Published in The Journal of neuroscience (08-04-2015)“…Accumulating evidence from genetic and biochemical studies implicates dysfunction of the autophagic-lysosomal pathway as a key feature in the pathogenesis of…”
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